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2024-11-01Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfLinus Torvalds1-0/+3
Pull bpf fixes from Daniel Borkmann: - Fix BPF verifier to force a checkpoint when the program's jump history becomes too long (Eduard Zingerman) - Add several fixes to the BPF bits iterator addressing issues like memory leaks and overflow problems (Hou Tao) - Fix an out-of-bounds write in trie_get_next_key (Byeonguk Jeong) - Fix BPF test infra's LIVE_FRAME frame update after a page has been recycled (Toke Høiland-Jørgensen) - Fix BPF verifier and undo the 40-bytes extra stack space for bpf_fastcall patterns due to various bugs (Eduard Zingerman) - Fix a BPF sockmap race condition which could trigger a NULL pointer dereference in sock_map_link_update_prog (Cong Wang) - Fix tcp_bpf_recvmsg_parser to retrieve seq_copied from tcp_sk under the socket lock (Jiayuan Chen) * tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf, test_run: Fix LIVE_FRAME frame update after a page has been recycled selftests/bpf: Add three test cases for bits_iter bpf: Use __u64 to save the bits in bits iterator bpf: Check the validity of nr_words in bpf_iter_bits_new() bpf: Add bpf_mem_alloc_check_size() helper bpf: Free dynamically allocated bits in bpf_iter_bits_destroy() bpf: disallow 40-bytes extra stack for bpf_fastcall patterns selftests/bpf: Add test for trie_get_next_key() bpf: Fix out-of-bounds write in trie_get_next_key() selftests/bpf: Test with a very short loop bpf: Force checkpoint when jmp history is too long bpf: fix filed access without lock sock_map: fix a NULL pointer dereference in sock_map_link_update_prog()
2024-11-01Merge tag 'net-6.12-rc6' of ↵Linus Torvalds3-20/+69
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from WiFi, bluetooth and netfilter. No known new regressions outstanding. Current release - regressions: - wifi: mt76: do not increase mcu skb refcount if retry is not supported Current release - new code bugs: - wifi: - rtw88: fix the RX aggregation in USB 3 mode - mac80211: fix memory corruption bug in struct ieee80211_chanctx Previous releases - regressions: - sched: - stop qdisc_tree_reduce_backlog on TC_H_ROOT - sch_api: fix xa_insert() error path in tcf_block_get_ext() - wifi: - revert "wifi: iwlwifi: remove retry loops in start" - cfg80211: clear wdev->cqm_config pointer on free - netfilter: fix potential crash in nf_send_reset6() - ip_tunnel: fix suspicious RCU usage warning in ip_tunnel_find() - bluetooth: fix null-ptr-deref in hci_read_supported_codecs - eth: mlxsw: add missing verification before pushing Tx header - eth: hns3: fixed hclge_fetch_pf_reg accesses bar space out of bounds issue Previous releases - always broken: - wifi: mac80211: do not pass a stopped vif to the driver in .get_txpower - netfilter: sanitize offset and length before calling skb_checksum() - core: - fix crash when config small gso_max_size/gso_ipv4_max_size - skip offload for NETIF_F_IPV6_CSUM if ipv6 header contains extension - mptcp: protect sched with rcu_read_lock - eth: ice: fix crash on probe for DPLL enabled E810 LOM - eth: macsec: fix use-after-free while sending the offloading packet - eth: stmmac: fix unbalanced DMA map/unmap for non-paged SKB data - eth: hns3: fix kernel crash when 1588 is sent on HIP08 devices - eth: mtk_wed: fix path of MT7988 WO firmware" * tag 'net-6.12-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (70 commits) net: hns3: fix kernel crash when 1588 is sent on HIP08 devices net: hns3: fixed hclge_fetch_pf_reg accesses bar space out of bounds issue net: hns3: initialize reset_timer before hclgevf_misc_irq_init() net: hns3: don't auto enable misc vector net: hns3: Resolved the issue that the debugfs query result is inconsistent. net: hns3: fix missing features due to dev->features configuration too early net: hns3: fixed reset failure issues caused by the incorrect reset type net: hns3: add sync command to sync io-pgtable net: hns3: default enable tx bounce buffer when smmu enabled netfilter: nft_payload: sanitize offset and length before calling skb_checksum() net: ethernet: mtk_wed: fix path of MT7988 WO firmware selftests: forwarding: Add IPv6 GRE remote change tests mlxsw: spectrum_ipip: Fix memory leak when changing remote IPv6 address mlxsw: pci: Sync Rx buffers for device mlxsw: pci: Sync Rx buffers for CPU mlxsw: spectrum_ptp: Add missing verification before pushing Tx header net: skip offload for NETIF_F_IPV6_CSUM if ipv6 header contains extension Bluetooth: hci: fix null-ptr-deref in hci_read_supported_codecs netfilter: nf_reject_ipv6: fix potential crash in nf_send_reset6() netfilter: Fix use-after-free in get_info() ...
2024-10-31x86/uaccess: Avoid barrier_nospec() in 64-bit copy_from_user()Linus Torvalds1-6/+15
The barrier_nospec() in 64-bit copy_from_user() is slow. Instead use pointer masking to force the user pointer to all 1's for an invalid address. The kernel test robot reports a 2.6% improvement in the per_thread_ops benchmark [1]. This is a variation on a patch originally by Josh Poimboeuf [2]. Link: https://lore.kernel.org/202410281344.d02c72a2-oliver.sang@intel.com [1] Link: https://lore.kernel.org/5b887fe4c580214900e21f6c61095adf9a142735.1730166635.git.jpoimboe@kernel.org [2] Tested-and-reviewed-by: Josh Poimboeuf <jpoimboe@kernel.org> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-10-30bpf: Add bpf_mem_alloc_check_size() helperHou Tao1-0/+3
Introduce bpf_mem_alloc_check_size() to check whether the allocation size exceeds the limitation for the kmalloc-equivalent allocator. The upper limit for percpu allocation is LLIST_NODE_SZ bytes larger than non-percpu allocation, so a percpu argument is added to the helper. The helper will be used in the following patch to check whether the size parameter passed to bpf_mem_alloc() is too big. Signed-off-by: Hou Tao <houtao1@huawei.com> Link: https://lore.kernel.org/r/20241030100516.3633640-3-houtao@huaweicloud.com Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-10-29ipv4: ip_tunnel: Fix suspicious RCU usage warning in ip_tunnel_init_flow()Ido Schimmel1-1/+1
There are code paths from which the function is called without holding the RCU read lock, resulting in a suspicious RCU usage warning [1]. Fix by using l3mdev_master_upper_ifindex_by_index() which will acquire the RCU read lock before calling l3mdev_master_upper_ifindex_by_index_rcu(). [1] WARNING: suspicious RCU usage 6.12.0-rc3-custom-gac8f72681cf2 #141 Not tainted ----------------------------- net/core/dev.c:876 RCU-list traversed in non-reader section!! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by ip/361: #0: ffffffff86fc7cb0 (rtnl_mutex){+.+.}-{3:3}, at: rtnetlink_rcv_msg+0x377/0xf60 stack backtrace: CPU: 3 UID: 0 PID: 361 Comm: ip Not tainted 6.12.0-rc3-custom-gac8f72681cf2 #141 Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 Call Trace: <TASK> dump_stack_lvl+0xba/0x110 lockdep_rcu_suspicious.cold+0x4f/0xd6 dev_get_by_index_rcu+0x1d3/0x210 l3mdev_master_upper_ifindex_by_index_rcu+0x2b/0xf0 ip_tunnel_bind_dev+0x72f/0xa00 ip_tunnel_newlink+0x368/0x7a0 ipgre_newlink+0x14c/0x170 __rtnl_newlink+0x1173/0x19c0 rtnl_newlink+0x6c/0xa0 rtnetlink_rcv_msg+0x3cc/0xf60 netlink_rcv_skb+0x171/0x450 netlink_unicast+0x539/0x7f0 netlink_sendmsg+0x8c1/0xd80 ____sys_sendmsg+0x8f9/0xc20 ___sys_sendmsg+0x197/0x1e0 __sys_sendmsg+0x122/0x1f0 do_syscall_64+0xbb/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f Fixes: db53cd3d88dc ("net: Handle l3mdev in ip_tunnel_init_flow") Signed-off-by: Ido Schimmel <idosch@nvidia.com> Reviewed-by: David Ahern <dsahern@kernel.org> Link: https://patch.msgid.link/20241022063822.462057-1-idosch@nvidia.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-10-29fork: only invoke khugepaged, ksm hooks if no errorLorenzo Stoakes1-6/+4
There is no reason to invoke these hooks early against an mm that is in an incomplete state. The change in commit d24062914837 ("fork: use __mt_dup() to duplicate maple tree in dup_mmap()") makes this more pertinent as we may be in a state where entries in the maple tree are not yet consistent. Their placement early in dup_mmap() only appears to have been meaningful for early error checking, and since functionally it'd require a very small allocation to fail (in practice 'too small to fail') that'd only occur in the most dire circumstances, meaning the fork would fail or be OOM'd in any case. Since both khugepaged and KSM tracking are there to provide optimisations to memory performance rather than critical functionality, it doesn't really matter all that much if, under such dire memory pressure, we fail to register an mm with these. As a result, we follow the example of commit d2081b2bf819 ("mm: khugepaged: make khugepaged_enter() void function") and make ksm_fork() a void function also. We only expose the mm to these functions once we are done with them and only if no error occurred in the fork operation. Link: https://lkml.kernel.org/r/e0cb8b840c9d1d5a6e84d4f8eff5f3f2022aa10c.1729014377.git.lorenzo.stoakes@oracle.com Fixes: d24062914837 ("fork: use __mt_dup() to duplicate maple tree in dup_mmap()") Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reported-by: Jann Horn <jannh@google.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Reviewed-by: Vlastimil Babka <vbabka@suse.cz> Reviewed-by: Jann Horn <jannh@google.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <brauner@kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: Linus Torvalds <torvalds@linuxfoundation.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-29fork: do not invoke uffd on fork if error occursLorenzo Stoakes1-0/+5
Patch series "fork: do not expose incomplete mm on fork". During fork we may place the virtual memory address space into an inconsistent state before the fork operation is complete. In addition, we may encounter an error during the fork operation that indicates that the virtual memory address space is invalidated. As a result, we should not be exposing it in any way to external machinery that might interact with the mm or VMAs, machinery that is not designed to deal with incomplete state. We specifically update the fork logic to defer khugepaged and ksm to the end of the operation and only to be invoked if no error arose, and disallow uffd from observing fork events should an error have occurred. This patch (of 2): Currently on fork we expose the virtual address space of a process to userland unconditionally if uffd is registered in VMAs, regardless of whether an error arose in the fork. This is performed in dup_userfaultfd_complete() which is invoked unconditionally, and performs two duties - invoking registered handlers for the UFFD_EVENT_FORK event via dup_fctx(), and clearing down userfaultfd_fork_ctx objects established in dup_userfaultfd(). This is problematic, because the virtual address space may not yet be correctly initialised if an error arose. The change in commit d24062914837 ("fork: use __mt_dup() to duplicate maple tree in dup_mmap()") makes this more pertinent as we may be in a state where entries in the maple tree are not yet consistent. We address this by, on fork error, ensuring that we roll back state that we would otherwise expect to clean up through the event being handled by userland and perform the memory freeing duty otherwise performed by dup_userfaultfd_complete(). We do this by implementing a new function, dup_userfaultfd_fail(), which performs the same loop, only decrementing reference counts. Note that we perform mmgrab() on the parent and child mm's, however userfaultfd_ctx_put() will mmdrop() this once the reference count drops to zero, so we will avoid memory leaks correctly here. Link: https://lkml.kernel.org/r/cover.1729014377.git.lorenzo.stoakes@oracle.com Link: https://lkml.kernel.org/r/d3691d58bb58712b6fb3df2be441d175bd3cdf07.1729014377.git.lorenzo.stoakes@oracle.com Fixes: d24062914837 ("fork: use __mt_dup() to duplicate maple tree in dup_mmap()") Signed-off-by: Lorenzo Stoakes <lorenzo.stoakes@oracle.com> Reported-by: Jann Horn <jannh@google.com> Reviewed-by: Jann Horn <jannh@google.com> Reviewed-by: Liam R. Howlett <Liam.Howlett@Oracle.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Christian Brauner <brauner@kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: Linus Torvalds <torvalds@linuxfoundation.org> Cc: Vlastimil Babka <vbabka@suse.cz> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-25Merge tag 'fuse-fixes-6.12-rc5' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse Pull fuse fixes from Miklos Szeredi: - Fix cached size after passthrough writes This fix needed a trivial change in the backing-file API, which resulted in some non-fuse files being touched. - Revert a commit meant as a cleanup but which triggered a WARNING - Remove a stray debug line left-over * tag 'fuse-fixes-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi/fuse: fuse: remove stray debug line Revert "fuse: move initialization of fuse_file to fuse_writepages() instead of in callback" fuse: update inode size after extending passthrough write fs: pass offset and result to backing_file end_write() callback
2024-10-25Merge tag 'fbdev-for-6.12-rc5' of ↵Linus Torvalds1-94/+0
git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev Pull fbdev fixes from Helge Deller: - Fix some build warnings and failures with CONFIG_FB_IOMEM_FOPS and CONFIG_FB_DEVICE - Remove the da8xx fbdev driver - Constify struct sbus_mmap_map and fix indentation warning * tag 'fbdev-for-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/linux-fbdev: fbdev: wm8505fb: select CONFIG_FB_IOMEM_FOPS fbdev: da8xx: remove the driver fbdev: Constify struct sbus_mmap_map fbdev: nvidiafb: fix inconsistent indentation warning fbdev: sstfb: Make CONFIG_FB_DEVICE optional
2024-10-25Merge tag 'sound-6.12-rc5' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "The majority of changes here are about ASoC. There are two core changes in ASoC (the bump of minimal topology ABI version and the fix for references of components in DAPM code), and others are mostly various device-specific fixes for SoundWire, AMD, Intel, SOF, Qualcomm and FSL, in addition to a few usual HD-audio quirks and fixes" * tag 'sound-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (33 commits) ALSA: hda/realtek: Update default depop procedure ASoC: qcom: sc7280: Fix missing Soundwire runtime stream alloc ASoC: fsl_micfil: Add sample rate constraint ASoC: rt722-sdca: increase clk_stop_timeout to fix clock stop issue ALSA: hda/tas2781: select CRC32 instead of CRC32_SARWATE ALSA: hda/realtek: Add subwoofer quirk for Acer Predator G9-593 ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size() ASoC: fsl_micfil: Add a flag to distinguish with different volume control types ASoC: codecs: lpass-rx-macro: fix RXn(rx,n) macro for DSM_CTL and SEC7 regs ASoC: Change my e-mail to gmail ASoC: Intel: soc-acpi: lnl: Add match entry for TM2 laptops ASoC: amd: yc: Fix non-functional mic on ASUS E1404FA ASoC: SOF: Intel: hda: Always clean up link DMA during stop soundwire: intel_ace2x: Send PDI stream number during prepare ASoC: SOF: Intel: hda: Handle prepare without close for non-HDA DAI's ASoC: SOF: ipc4-topology: Do not set ALH node_id for aggregated DAIs MAINTAINERS: Update maintainer list for MICROCHIP ASOC, SSC and MCP16502 drivers ASoC: qcom: Select missing common Soundwire module code on SDM845 ASoC: fsl_esai: change dev_warn to dev_dbg in irq handler ASoC: rsnd: Fix probe failure on HiHope boards due to endpoint parsing ...
2024-10-25Merge tag 'wireless-2024-10-21' of ↵David S. Miller2-19/+68
git://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless wireless fixes for v6.12-rc5 The first set of wireless fixes for v6.12. We have been busy and have not been able to send this earlier, so there are more fixes than usual. The fixes are all over, both in stack and in drivers, but nothing special really standing out.
2024-10-25Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfLinus Torvalds3-3/+15
Pull bpf fixes from Daniel Borkmann: - Fix an out-of-bounds read in bpf_link_show_fdinfo for BPF sockmap link file descriptors (Hou Tao) - Fix BPF arm64 JIT's address emission with tag-based KASAN enabled reserving not enough size (Peter Collingbourne) - Fix BPF verifier do_misc_fixups patching for inlining of the bpf_get_branch_snapshot BPF helper (Andrii Nakryiko) - Fix a BPF verifier bug and reject BPF program write attempts into read-only marked BPF maps (Daniel Borkmann) - Fix perf_event_detach_bpf_prog error handling by removing an invalid check which would skip BPF program release (Jiri Olsa) - Fix memory leak when parsing mount options for the BPF filesystem (Hou Tao) * tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: bpf: Check validity of link->type in bpf_link_show_fdinfo() bpf: Add the missing BPF_LINK_TYPE invocation for sockmap bpf: fix do_misc_fixups() for bpf_get_branch_snapshot() bpf,perf: Fix perf_event_detach_bpf_prog error handling selftests/bpf: Add test for passing in uninit mtu_len selftests/bpf: Add test for writes to .rodata bpf: Remove MEM_UNINIT from skb/xdp MTU helpers bpf: Fix overloading of MEM_UNINIT's meaning bpf: Add MEM_WRITE attribute bpf: Preserve param->string when parsing mount options bpf, arm64: Fix address emission with tag-based KASAN enabled
2024-10-25Merge tag 'net-6.12-rc5' of ↵Linus Torvalds4-14/+28
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Including fixes from netfiler, xfrm and bluetooth. Oddly this includes a fix for a posix clock regression; in our previous PR we included a change there as a pre-requisite for networking one. That fix proved to be buggy and requires the follow-up included here. Thomas suggested we should send it, given we sent the buggy patch. Current release - regressions: - posix-clock: Fix unbalanced locking in pc_clock_settime() - netfilter: fix typo causing some targets not to load on IPv6 Current release - new code bugs: - xfrm: policy: remove last remnants of pernet inexact list Previous releases - regressions: - core: fix races in netdev_tx_sent_queue()/dev_watchdog() - bluetooth: fix UAF on sco_sock_timeout - eth: hv_netvsc: fix VF namespace also in synthetic NIC NETDEV_REGISTER event - eth: usbnet: fix name regression - eth: be2net: fix potential memory leak in be_xmit() - eth: plip: fix transmit path breakage Previous releases - always broken: - sched: deny mismatched skip_sw/skip_hw flags for actions created by classifiers - netfilter: bpf: must hold reference on net namespace - eth: virtio_net: fix integer overflow in stats - eth: bnxt_en: replace ptp_lock with irqsave variant - eth: octeon_ep: add SKB allocation failures handling in __octep_oq_process_rx() Misc: - MAINTAINERS: add Simon as an official reviewer" * tag 'net-6.12-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (40 commits) net: dsa: mv88e6xxx: support 4000ps cycle counter period net: dsa: mv88e6xxx: read cycle counter period from hardware net: dsa: mv88e6xxx: group cycle counter coefficients net: usb: qmi_wwan: add Fibocom FG132 0x0112 composition hv_netvsc: Fix VF namespace also in synthetic NIC NETDEV_REGISTER event net: dsa: microchip: disable EEE for KSZ879x/KSZ877x/KSZ876x Bluetooth: ISO: Fix UAF on iso_sock_timeout Bluetooth: SCO: Fix UAF on sco_sock_timeout Bluetooth: hci_core: Disable works on hci_unregister_dev posix-clock: posix-clock: Fix unbalanced locking in pc_clock_settime() r8169: avoid unsolicited interrupts net: sched: use RCU read-side critical section in taprio_dump() net: sched: fix use-after-free in taprio_change() net/sched: act_api: deny mismatched skip_sw/skip_hw flags for actions created by classifiers net: usb: usbnet: fix name regression mlxsw: spectrum_router: fix xa_store() error checking virtio_net: fix integer overflow in stats net: fix races in netdev_tx_sent_queue()/dev_watchdog() net: wwan: fix global oob in wwan_rtnl_policy netfilter: xtables: fix typo causing some targets not to load on IPv6 ...
2024-10-25Merge tag 'loongarch-fixes-6.12-1' of ↵Linus Torvalds1-1/+2
git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson Pull LoongArch fixes from Huacai Chen: "Get correct cores_per_package for SMT systems, enable IRQ if do_ale() triggered in irq-enabled context, and fix some bugs about vDSO, memory managenent, hrtimer in KVM, etc" * tag 'loongarch-fixes-6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson: LoongArch: KVM: Mark hrtimer to expire in hard interrupt context LoongArch: Make KASAN usable for variable cpu_vabits LoongArch: Set initial pte entry with PAGE_GLOBAL for kernel space LoongArch: Don't crash in stack_top() for tasks without vDSO LoongArch: Set correct size for vDSO code mapping LoongArch: Enable IRQ if do_ale() triggered in irq-enabled context LoongArch: Get correct cores_per_package for SMT systems LoongArch: Use "Exception return address" to comment ERA
2024-10-24bpf: Add the missing BPF_LINK_TYPE invocation for sockmapHou Tao2-0/+4
There is an out-of-bounds read in bpf_link_show_fdinfo() for the sockmap link fd. Fix it by adding the missing BPF_LINK_TYPE invocation for sockmap link Also add comments for bpf_link_type to prevent missing updates in the future. Fixes: 699c23f02c65 ("bpf: Add bpf_link support for sk_msg and sk_skb progs") Signed-off-by: Hou Tao <houtao1@huawei.com> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20241024013558.1135167-2-houtao@huaweicloud.com
2024-10-24Merge tag 'for-net-2024-10-23' of ↵Paolo Abeni1-0/+1
git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth Luiz Augusto von Dentz says: ==================== bluetooth pull request for net: - hci_core: Disable works on hci_unregister_dev - SCO: Fix UAF on sco_sock_timeout - ISO: Fix UAF on iso_sock_timeout * tag 'for-net-2024-10-23' of git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetooth: Bluetooth: ISO: Fix UAF on iso_sock_timeout Bluetooth: SCO: Fix UAF on sco_sock_timeout Bluetooth: hci_core: Disable works on hci_unregister_dev ==================== Link: https://patch.msgid.link/20241023143005.2297694-1-luiz.dentz@gmail.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-24Merge tag 'ipsec-2024-10-22' of ↵Paolo Abeni2-14/+15
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec Steffen Klassert says: ==================== pull request (net): ipsec 2024-10-22 1) Fix routing behavior that relies on L4 information for xfrm encapsulated packets. From Eyal Birger. 2) Remove leftovers of pernet policy_inexact lists. From Florian Westphal. 3) Validate new SA's prefixlen when the selector family is not set from userspace. From Sabrina Dubroca. 4) Fix a kernel-infoleak when dumping an auth algorithm. From Petr Vaganov. Please pull or let me know if there are problems. ipsec-2024-10-22 * tag 'ipsec-2024-10-22' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec: xfrm: fix one more kernel-infoleak in algo dumping xfrm: validate new SA's prefixlen using SA family when sel.family is unset xfrm: policy: remove last remnants of pernet inexact list xfrm: respect ip protocols rules criteria when performing dst lookups xfrm: extract dst lookup parameters into a struct ==================== Link: https://patch.msgid.link/20241022092226.654370-1-steffen.klassert@secunet.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-24Merge tag 'asoc-fix-v6.12-rc4' of ↵Takashi Iwai1-1/+1
https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus ASoC: Fixes for v6.12 An uncomfortably large set of fixes due to me not getting round to sending them for longer than I should due to travel and illness. This is mostly smaller driver specific changes, but there are a couple of generic changes: - Bumping the minimal topology ABI we check for during validation, the code had support for v4 removed previously but the update of the define used for initial validation was missed. - Fix the assumption that DAPM structs will be embedded in a component which isn't true for card widgets when doing name comparisons, though fortunately this is rarely triggered. We've pulled in one Soundwire fix which was part of a larger series fixing cleanup issues in on Intel Soundwire systems.
2024-10-23Bluetooth: SCO: Fix UAF on sco_sock_timeoutLuiz Augusto von Dentz1-0/+1
conn->sk maybe have been unlinked/freed while waiting for sco_conn_lock so this checks if the conn->sk is still valid by checking if it part of sco_sk_list. Reported-by: syzbot+4c0d0c4cde787116d465@syzkaller.appspotmail.com Tested-by: syzbot+4c0d0c4cde787116d465@syzkaller.appspotmail.com Closes: https://syzkaller.appspot.com/bug?extid=4c0d0c4cde787116d465 Fixes: ba316be1b6a0 ("Bluetooth: schedule SCO timeouts with delayed_work") Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
2024-10-23bpf: Add MEM_WRITE attributeDaniel Borkmann1-3/+11
Add a MEM_WRITE attribute for BPF helper functions which can be used in bpf_func_proto to annotate an argument type in order to let the verifier know that the helper writes into the memory passed as an argument. In the past MEM_UNINIT has been (ab)used for this function, but the latter merely tells the verifier that the passed memory can be uninitialized. There have been bugs with overloading the latter but aside from that there are also cases where the passed memory is read + written which currently cannot be expressed, see also 4b3786a6c539 ("bpf: Zero former ARG_PTR_TO_{LONG,INT} args in case of error"). Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Kumar Kartikeya Dwivedi <memxor@gmail.com> Link: https://lore.kernel.org/r/20241021152809.33343-1-daniel@iogearbox.net Signed-off-by: Alexei Starovoitov <ast@kernel.org>
2024-10-21Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds1-2/+0
Pull kvm fixes from Paolo Bonzini: "ARM64: - Fix the guest view of the ID registers, making the relevant fields writable from userspace (affecting ID_AA64DFR0_EL1 and ID_AA64PFR1_EL1) - Correcly expose S1PIE to guests, fixing a regression introduced in 6.12-rc1 with the S1POE support - Fix the recycling of stage-2 shadow MMUs by tracking the context (are we allowed to block or not) as well as the recycling state - Address a couple of issues with the vgic when userspace misconfigures the emulation, resulting in various splats. Headaches courtesy of our Syzkaller friends - Stop wasting space in the HYP idmap, as we are dangerously close to the 4kB limit, and this has already exploded in -next - Fix another race in vgic_init() - Fix a UBSAN error when faking the cache topology with MTE enabled RISCV: - RISCV: KVM: use raw_spinlock for critical section in imsic x86: - A bandaid for lack of XCR0 setup in selftests, which causes trouble if the compiler is configured to have x86-64-v3 (with AVX) as the default ISA. Proper XCR0 setup will come in the next merge window. - Fix an issue where KVM would not ignore low bits of the nested CR3 and potentially leak up to 31 bytes out of the guest memory's bounds - Fix case in which an out-of-date cached value for the segments could by returned by KVM_GET_SREGS. - More cleanups for KVM_X86_QUIRK_SLOT_ZAP_ALL - Override MTRR state for KVM confidential guests, making it WB by default as is already the case for Hyper-V guests. Generic: - Remove a couple of unused functions" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (27 commits) RISCV: KVM: use raw_spinlock for critical section in imsic KVM: selftests: Fix out-of-bounds reads in CPUID test's array lookups KVM: selftests: x86: Avoid using SSE/AVX instructions KVM: nSVM: Ignore nCR3[4:0] when loading PDPTEs from memory KVM: VMX: reset the segment cache after segment init in vmx_vcpu_reset() KVM: x86: Clean up documentation for KVM_X86_QUIRK_SLOT_ZAP_ALL KVM: x86/mmu: Add lockdep assert to enforce safe usage of kvm_unmap_gfn_range() KVM: x86/mmu: Zap only SPs that shadow gPTEs when deleting memslot x86/kvm: Override default caching mode for SEV-SNP and TDX KVM: Remove unused kvm_vcpu_gfn_to_pfn_atomic KVM: Remove unused kvm_vcpu_gfn_to_pfn KVM: arm64: Ensure vgic_ready() is ordered against MMIO registration KVM: arm64: vgic: Don't check for vgic_ready() when setting NR_IRQS KVM: arm64: Fix shift-out-of-bounds bug KVM: arm64: Shave a few bytes from the EL2 idmap code KVM: arm64: Don't eagerly teardown the vgic on init error KVM: arm64: Expose S1PIE to guests KVM: arm64: nv: Clarify safety of allowing TLBI unmaps to reschedule KVM: arm64: nv: Punt stage-2 recycling to a vCPU request KVM: arm64: nv: Do not block when unmapping stage-2 if disallowed ...
2024-10-21Merge tag 'vfs-6.12-rc5.fixes' of ↵Linus Torvalds1-1/+0
git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs Pull vfs fixes from Christian Brauner: "afs: - Fix a lock recursion in afs_wake_up_async_call() on ->notify_lock netfs: - Drop the references to a folio immediately after the folio has been extracted to prevent races with future I/O collection - Fix a documenation build error - Downgrade the i_rwsem for buffered writes to fix a cifs reported performance regression when switching to netfslib vfs: - Explicitly return -E2BIG from openat2() if the specified size is unexpectedly large. This aligns openat2() with other extensible struct based system calls - When copying a mount namespace ensure that we only try to remove the new copy from the mount namespace rbtree if it has already been added to it nilfs: - Clear the buffer delay flag when clearing the buffer state clags when a buffer head is discarded to prevent a kernel OOPs ocfs2: - Fix an unitialized value warning in ocfs2_setattr() proc: - Fix a kernel doc warning" * tag 'vfs-6.12-rc5.fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs: proc: Fix W=1 build kernel-doc warning afs: Fix lock recursion fs: Fix uninitialized value issue in from_kuid and from_kgid fs: don't try and remove empty rbtree node netfs: Downgrade i_rwsem for a buffered write nilfs2: fix kernel bug due to missing clearing of buffer delay flag openat2: explicitly return -E2BIG for (usize > PAGE_SIZE) netfs: fix documentation build error netfs: In readahead, put the folio refs as soon extracted
2024-10-21LoongArch: Set initial pte entry with PAGE_GLOBAL for kernel spaceBibo Mao1-1/+2
There are two pages in one TLB entry on LoongArch system. For kernel space, it requires both two pte entries (buddies) with PAGE_GLOBAL bit set, otherwise HW treats it as non-global tlb, there will be potential problems if tlb entry for kernel space is not global. Such as fail to flush kernel tlb with the function local_flush_tlb_kernel_range() which supposed only flush tlb with global bit. Kernel address space areas include percpu, vmalloc, vmemmap, fixmap and kasan areas. For these areas both two consecutive page table entries should be enabled with PAGE_GLOBAL bit. So with function set_pte() and pte_clear(), pte buddy entry is checked and set besides its own pte entry. However it is not atomic operation to set both two pte entries, there is problem with test_vmalloc test case. So function kernel_pte_init() is added to init a pte table when it is created for kernel address space, and the default initial pte value is PAGE_GLOBAL rather than zero at beginning. Then only its own pte entry need update with function set_pte() and pte_clear(), nothing to do with the pte buddy entry. Signed-off-by: Bibo Mao <maobibo@loongson.cn> Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
2024-10-21net: fix races in netdev_tx_sent_queue()/dev_watchdog()Eric Dumazet1-0/+12
Some workloads hit the infamous dev_watchdog() message: "NETDEV WATCHDOG: eth0 (xxxx): transmit queue XX timed out" It seems possible to hit this even for perfectly normal BQL enabled drivers: 1) Assume a TX queue was idle for more than dev->watchdog_timeo (5 seconds unless changed by the driver) 2) Assume a big packet is sent, exceeding current BQL limit. 3) Driver ndo_start_xmit() puts the packet in TX ring, and netdev_tx_sent_queue() is called. 4) QUEUE_STATE_STACK_XOFF could be set from netdev_tx_sent_queue() before txq->trans_start has been written. 5) txq->trans_start is written later, from netdev_start_xmit() if (rc == NETDEV_TX_OK) txq_trans_update(txq) dev_watchdog() running on another cpu could read the old txq->trans_start, and then see QUEUE_STATE_STACK_XOFF, because 5) did not happen yet. To solve the issue, write txq->trans_start right before one XOFF bit is set : - _QUEUE_STATE_DRV_XOFF from netif_tx_stop_queue() - __QUEUE_STATE_STACK_XOFF from netdev_tx_sent_queue() From dev_watchdog(), we have to read txq->state before txq->trans_start. Add memory barriers to enforce correct ordering. In the future, we could avoid writing over txq->trans_start for normal operations, and rename this field to txq->xoff_start_time. Fixes: bec251bc8b6a ("net: no longer stop all TX queues in dev_watchdog()") Signed-off-by: Eric Dumazet <edumazet@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Reviewed-by: Toke Høiland-Jørgensen <toke@redhat.com> Link: https://patch.msgid.link/20241015194118.3951657-1-edumazet@google.com Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2024-10-20Merge tag 'tty-6.12-rc4' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty Pull tty/serial driver fixes from Greg KH: "Here are some small tty and serial driver fixes for 6.12-rc4: - qcom-geni serial driver fixes, wow what a mess of a UART chip that thing is... - vt infoleak fix for odd font sizes - imx serial driver bugfix - yet-another n_gsm ldisc bugfix, slowly chipping down the issues in that piece of code All of these have been in linux-next for over a week with no reported issues" * tag 'tty-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: serial: qcom-geni: rename suspend functions serial: qcom-geni: drop unused receive parameter serial: qcom-geni: drop flip buffer WARN() serial: qcom-geni: fix rx cancel dma status bit serial: qcom-geni: fix receiver enable serial: qcom-geni: fix dma rx cancellation serial: qcom-geni: fix shutdown race serial: qcom-geni: revert broken hibernation support serial: qcom-geni: fix polled console initialisation serial: imx: Update mctrl old_status on RTSD interrupt tty: n_gsm: Fix use-after-free in gsm_cleanup_mux vt: prevent kernel-infoleak in con_font_get()
2024-10-20Merge tag 'irq_urgent_for_v6.12_rc4' of ↵Linus Torvalds1-1/+3
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fixes from Borislav Petkov: - Fix a case for sifive-plic where an interrupt gets disabled *and* masked and remains masked when it gets reenabled later - Plug a small race in GIC-v4 where userspace can force an affinity change of a virtual CPU (vPE) in its unmapping path - Do not mix the two sets of ocelot irqchip's registers in the mask calculation of the main interrupt sticky register - Other smaller fixlets and cleanups * tag 'irq_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/renesas-rzg2l: Fix missing put_device irqchip/riscv-intc: Fix SMP=n boot with ACPI irqchip/sifive-plic: Unmask interrupt in plic_irq_enable() irqchip/gic-v4: Don't allow a VMOVP on a dying VPE irqchip/sifive-plic: Return error code on failure irqchip/riscv-imsic: Fix output text of base address irqchip/ocelot: Comment sticky register clearing code irqchip/ocelot: Fix trigger register address irqchip: Remove obsolete config ARM_GIC_V3_ITS_PCI
2024-10-20Merge tag 'sched_urgent_for_v6.12_rc4' of ↵Linus Torvalds2-1/+9
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull scheduling fixes from Borislav Petkov: - Add PREEMPT_RT maintainers - Fix another aspect of delayed dequeued tasks wrt determining their state, i.e., whether they're runnable or blocked - Handle delayed dequeued tasks and their migration wrt PSI properly - Fix the situation where a delayed dequeue task gets enqueued into a new class, which should not happen - Fix a case where memory allocation would happen while the runqueue lock is held, which is a no-no - Do not over-schedule when tasks with shorter slices preempt the currently running task - Make sure delayed to deque entities are properly handled before unthrottling - Other smaller cleanups and improvements * tag 'sched_urgent_for_v6.12_rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: MAINTAINERS: Add an entry for PREEMPT_RT. sched/fair: Fix external p->on_rq users sched/psi: Fix mistaken CPU pressure indication after corrupted task state bug sched/core: Dequeue PSI signals for blocked tasks that are delayed sched: Fix delayed_dequeue vs switched_from_fair() sched/core: Disable page allocation in task_tick_mm_cid() sched/deadline: Use hrtick_enabled_dl() before start_hrtick_dl() sched/eevdf: Fix wakeup-preempt by checking cfs_rq->nr_running sched: Fix sched_delayed vs cfs_bandwidth
2024-10-20Merge tag 'for-linus-6.12a-rc4-tag' of ↵Linus Torvalds1-5/+9
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull xen fix from Juergen Gross: "A single fix for a build failure introduced this merge window" * tag 'for-linus-6.12a-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: xen: Remove dependency between pciback and privcmd
2024-10-20Merge tag 'dma-mapping-6.12-2024-10-20' of ↵Linus Torvalds1-8/+8
git://git.infradead.org/users/hch/dma-mapping Pull dma-mapping fix from Christoph Hellwig: "Just another small tracing fix from Sean" * tag 'dma-mapping-6.12-2024-10-20' of git://git.infradead.org/users/hch/dma-mapping: dma-mapping: fix tracing dma_alloc/free with vmalloc'd memory
2024-10-20KVM: Remove unused kvm_vcpu_gfn_to_pfn_atomicDr. David Alan Gilbert1-1/+0
The last use of kvm_vcpu_gfn_to_pfn_atomic was removed by commit 1bbc60d0c7e5 ("KVM: x86/mmu: Remove MMU auditing") Remove it. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Message-ID: <20241001141354.18009-3-linux@treblig.org> [Adjust Documentation/virt/kvm/locking.rst. - Paolo] Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-20KVM: Remove unused kvm_vcpu_gfn_to_pfnDr. David Alan Gilbert1-1/+0
The last use of kvm_vcpu_gfn_to_pfn was removed by commit b1624f99aa8f ("KVM: Remove kvm_vcpu_gfn_to_page() and kvm_vcpu_gpa_to_page()") Remove it. Signed-off-by: Dr. David Alan Gilbert <linux@treblig.org> Message-ID: <20241001141354.18009-2-linux@treblig.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2024-10-19Merge tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfLinus Torvalds2-8/+10
Pull bpf fixes from Daniel Borkmann: - Fix BPF verifier to not affect subreg_def marks in its range propagation (Eduard Zingerman) - Fix a truncation bug in the BPF verifier's handling of coerce_reg_to_size_sx (Dimitar Kanaliev) - Fix the BPF verifier's delta propagation between linked registers under 32-bit addition (Daniel Borkmann) - Fix a NULL pointer dereference in BPF devmap due to missing rxq information (Florian Kauer) - Fix a memory leak in bpf_core_apply (Jiri Olsa) - Fix an UBSAN-reported array-index-out-of-bounds in BTF parsing for arrays of nested structs (Hou Tao) - Fix build ID fetching where memory areas backing the file were created with memfd_secret (Andrii Nakryiko) - Fix BPF task iterator tid filtering which was incorrectly using pid instead of tid (Jordan Rome) - Several fixes for BPF sockmap and BPF sockhash redirection in combination with vsocks (Michal Luczaj) - Fix riscv BPF JIT and make BPF_CMPXCHG fully ordered (Andrea Parri) - Fix riscv BPF JIT under CONFIG_CFI_CLANG to prevent the possibility of an infinite BPF tailcall (Pu Lehui) - Fix a build warning from resolve_btfids that bpf_lsm_key_free cannot be resolved (Thomas Weißschuh) - Fix a bug in kfunc BTF caching for modules where the wrong BTF object was returned (Toke Høiland-Jørgensen) - Fix a BPF selftest compilation error in cgroup-related tests with musl libc (Tony Ambardar) - Several fixes to BPF link info dumps to fill missing fields (Tyrone Wu) - Add BPF selftests for kfuncs from multiple modules, checking that the correct kfuncs are called (Simon Sundberg) - Ensure that internal and user-facing bpf_redirect flags don't overlap (Toke Høiland-Jørgensen) - Switch to use kvzmalloc to allocate BPF verifier environment (Rik van Riel) - Use raw_spinlock_t in BPF ringbuf to fix a sleep in atomic splat under RT (Wander Lairson Costa) * tag 'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (38 commits) lib/buildid: Handle memfd_secret() files in build_id_parse() selftests/bpf: Add test case for delta propagation bpf: Fix print_reg_state's constant scalar dump bpf: Fix incorrect delta propagation between linked registers bpf: Properly test iter/task tid filtering bpf: Fix iter/task tid filtering riscv, bpf: Make BPF_CMPXCHG fully ordered bpf, vsock: Drop static vsock_bpf_prot initialization vsock: Update msg_count on read_skb() vsock: Update rx_bytes on read_skb() bpf, sockmap: SK_DROP on attempted redirects of unsupported af_vsock selftests/bpf: Add asserts for netfilter link info bpf: Fix link info netfilter flags to populate defrag flag selftests/bpf: Add test for sign extension in coerce_subreg_to_size_sx() selftests/bpf: Add test for truncation after sign extension in coerce_reg_to_size_sx() bpf: Fix truncation bug in coerce_reg_to_size_sx() selftests/bpf: Assert link info uprobe_multi count & path_size if unset bpf: Fix unpopulated path_size when uprobe_multi fields unset selftests/bpf: Fix cross-compiling urandom_read selftests/bpf: Add test for kfunc module order ...
2024-10-19Merge tag 'block-6.12-20241018' of git://git.kernel.dk/linuxLinus Torvalds1-1/+7
Pull block fixes from Jens Axboe: - NVMe pull request via Keith: - Fix target passthrough identifier (Nilay) - Fix tcp locking (Hannes) - Replace list with sbitmap for tracking RDMA rsp tags (Guixen) - Remove unnecessary fallthrough statements (Tokunori) - Remove ready-without-media support (Greg) - Fix multipath partition scan deadlock (Keith) - Fix concurrent PCI reset and remove queue mapping (Maurizio) - Fabrics shutdown fixes (Nilay) - Fix for a kerneldoc warning (Keith) - Fix a race with blk-rq-qos and wakeups (Omar) - Cleanup of checking for always-set tag_set (SurajSonawane2415) - Fix for a crash with CPU hotplug notifiers (Ming) - Don't allow zero-copy ublk on unprivileged device (Ming) - Use array_index_nospec() for CDROM (Josh) - Remove dead code in drbd (David) - Tweaks to elevator loading (Breno) * tag 'block-6.12-20241018' of git://git.kernel.dk/linux: cdrom: Avoid barrier_nospec() in cdrom_ioctl_media_changed() nvme: use helper nvme_ctrl_state in nvme_keep_alive_finish function nvme: make keep-alive synchronous operation nvme-loop: flush off pending I/O while shutting down loop controller nvme-pci: fix race condition between reset and nvme_dev_disable() ublk: don't allow user copy for unprivileged device blk-rq-qos: fix crash on rq_qos_wait vs. rq_qos_wake_function race nvme-multipath: defer partition scanning blk-mq: setup queue ->tag_set before initializing hctx elevator: Remove argument from elevator_find_get elevator: do not request_module if elevator exists drbd: Remove unused conn_lowest_minor nvme: disable CC.CRIME (NVME_CC_CRIME) nvme: delete unnecessary fallthru comment nvmet-rdma: use sbitmap to replace rsp free list block: Fix elevator_get_default() checking for NULL q->tag_set nvme: tcp: avoid race between queue_lock lock and destroy nvmet-passthru: clear EUID/NGUID/UUID while using loop target block: fix blk_rq_map_integrity_sg kernel-doc
2024-10-18Merge tag 'xfs-6.12-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linuxLinus Torvalds1-3/+17
Pull xfs fixes from Carlos Maiolino: - Fix integer overflow in xrep_bmap - Fix stale dealloc punching for COW IO * tag 'xfs-6.12-fixes-4' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux: xfs: punch delalloc extents from the COW fork for COW writes xfs: set IOMAP_F_SHARED for all COW fork allocations xfs: share more code in xfs_buffered_write_iomap_begin xfs: support the COW fork in xfs_bmap_punch_delalloc_range xfs: IOMAP_ZERO and IOMAP_UNSHARE already hold invalidate_lock xfs: take XFS_MMAPLOCK_EXCL xfs_file_write_zero_eof xfs: factor out a xfs_file_write_zero_eof helper iomap: move locking out of iomap_write_delalloc_release iomap: remove iomap_file_buffered_write_punch_delalloc iomap: factor out a iomap_last_written_block helper xfs: fix integer overflow in xrep_bmap
2024-10-18Merge tag 'drm-fixes-2024-10-18' of https://gitlab.freedesktop.org/drm/kernelLinus Torvalds1-0/+1
Pull drm fixes from Dave Airlie: "Weekly fixes, msm and xe are the two main ones, with a bunch of scattered fixes including a largish revert in mgag200, then amdgpu, vmwgfx and scattering of other minor ones. All seems pretty regular. msm: - Display: - move CRTC resource assignment to atomic_check otherwise to make consecutive calls to atomic_check() consistent - fix rounding / sign-extension issues with pclk calculation in case of DSC - cleanups to drop incorrect null checks in dpu snapshots - fix to use kvzalloc in dpu snapshot to avoid allocation issues in heavily loaded system cases - Fix to not program merge_3d block if dual LM is not being used - Fix to not flush merge_3d block if its not enabled otherwise this leads to false timeouts - GPU: - a7xx: add a fence wait before SMMU table update xe: - New workaround to Xe2 (Aradhya) - Fix unbalanced rpm put (Matthew Auld) - Remove fragile lock optimization (Matthew Brost) - Fix job release, delegating it to the drm scheduler (Matthew Brost) - Fix timestamp bit width for Xe2 (Lucas) - Fix external BO's dma-resv usag (Matthew Brost) - Fix returning success for timeout in wait_token (Nirmoy) - Initialize fence to avoid it being detected as signaled (Matthew Auld) - Improve cache flush for BMG (Matthew Auld) - Don't allow hflip for tile4 framebuffer on Xe2 (Juha-Pekka) amdgpu: - SR-IOV fix - CS chunk handling fix - MES fixes - SMU13 fixes amdkfd: - VRAM usage reporting fix radeon: - Fix possible_clones handling i915: - Two DP bandwidth related MST fixes ast: - Clear EDID on unplugged connectors host1x: - Fix boot on Tegra186 - Set DMA parameters mgag200: - Revert VBLANK support panel: - himax-hx83192: Adjust power and gamma qaic: - Sgtable loop fixes vmwgfx: - Limit display layout allocatino size - Handle allocation errors in connector checks - Clean up KMS code for 2d-only setup - Report surface-check errors correctly - Remove NULL test around kvfree()" * tag 'drm-fixes-2024-10-18' of https://gitlab.freedesktop.org/drm/kernel: (45 commits) drm/ast: vga: Clear EDID if no display is connected drm/ast: sil164: Clear EDID if no display is connected Revert "drm/mgag200: Add vblank support" drm/amdgpu/swsmu: default to fullscreen 3D profile for dGPUs drm/i915/display: Don't allow tile4 framebuffer to do hflip on display20 or greater drm/xe/bmg: improve cache flushing behaviour drm/xe/xe_sync: initialise ufence.signalled drm/xe/ufence: ufence can be signaled right after wait_woken drm/xe: Use bookkeep slots for external BO's in exec IOCTL drm/xe/query: Increase timestamp width drm/xe: Don't free job in TDR drm/xe: Take job list lock in xe_sched_add_pending_job drm/xe: fix unbalanced rpm put() with declare_wedged() drm/xe: fix unbalanced rpm put() with fence_fini() drm/xe/xe2lpg: Extend Wa_15016589081 for xe2lpg drm/i915/dp_mst: Don't require DSC hblank quirk for a non-DSC compatible mode drm/i915/dp_mst: Handle error during DSC BW overhead/slice calculation drm/msm/a6xx+: Insert a fence wait before SMMU table update drm/msm/dpu: don't always program merge_3d block drm/msm/dpu: Don't always set merge_3d pending flush ...
2024-10-18xen: Remove dependency between pciback and privcmdJiqian Chen1-5/+9
Commit 2fae6bb7be32 ("xen/privcmd: Add new syscall to get gsi from dev") adds a weak reverse dependency to the config XEN_PRIVCMD definition, that dependency causes xen-privcmd can't be loaded on domU, because dependent xen-pciback isn't always be loaded successfully on domU. To solve above problem, remove that dependency, and do not call pcistub_get_gsi_from_sbdf() directly, instead add a hook in drivers/xen/apci.c, xen-pciback register the real call function, then in privcmd_ioctl_pcidev_get_gsi call that hook. Fixes: 2fae6bb7be32 ("xen/privcmd: Add new syscall to get gsi from dev") Reported-by: Marek Marczykowski-Górecki <marmarek@invisiblethingslab.com> Signed-off-by: Jiqian Chen <Jiqian.Chen@amd.com> Reviewed-by: Juergen Gross <jgross@suse.com> Message-ID: <20241012084537.1543059-1-Jiqian.Chen@amd.com> Signed-off-by: Juergen Gross <jgross@suse.com>
2024-10-18Merge tag 'mm-hotfixes-stable-2024-10-17-16-08' of ↵Linus Torvalds3-3/+25
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm Pull misc fixes from Andrew Morton: "28 hotfixes. 13 are cc:stable. 23 are MM. It is the usual shower of unrelated singletons - please see the individual changelogs for details" * tag 'mm-hotfixes-stable-2024-10-17-16-08' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm: (28 commits) maple_tree: add regression test for spanning store bug maple_tree: correct tree corruption on spanning store mm/mglru: only clear kswapd_failures if reclaimable mm/swapfile: skip HugeTLB pages for unuse_vma selftests: mm: fix the incorrect usage() info of khugepaged MAINTAINERS: add Jann as memory mapping/VMA reviewer mm: swap: prevent possible data-race in __try_to_reclaim_swap mm: khugepaged: fix the incorrect statistics when collapsing large file folios MAINTAINERS: kasan, kcov: add bugzilla links mm: don't install PMD mappings when THPs are disabled by the hw/process/vma mm: huge_memory: add vma_thp_disabled() and thp_disabled_by_hw() Docs/damon/maintainer-profile: update deprecated awslabs GitHub URLs Docs/damon/maintainer-profile: add missing '_' suffixes for external web links maple_tree: check for MA_STATE_BULK on setting wr_rebalance mm: khugepaged: fix the arguments order in khugepaged_collapse_file trace point mm/damon/tests/sysfs-kunit.h: fix memory leak in damon_sysfs_test_add_targets() mm: remove unused stub for can_swapin_thp() mailmap: add an entry for Andy Chiu MAINTAINERS: add memory mapping/VMA co-maintainers fs/proc: fix build with GCC 15 due to -Werror=unterminated-string-initialization ...
2024-10-17Merge tag 'drm-misc-fixes-2024-10-17' of ↵Dave Airlie1-0/+1
https://gitlab.freedesktop.org/drm/misc/kernel into drm-fixes Short summary of fixes pull: ast: - Clear EDID on unplugged connectors host1x: - Fix boot on Tegra186 - Set DMA parameters mgag200: - Revert VBLANK support panel: - himax-hx83192: Adjust power and gamma qaic: - Sgtable loop fixes vmwgfx: - Limit display layout allocatino size - Handle allocation errors in connector checks - Clean up KMS code for 2d-only setup - Report surface-check errors correctly - Remove NULL test around kvfree() Signed-off-by: Dave Airlie <airlied@redhat.com> From: Thomas Zimmermann <tzimmermann@suse.de> Link: https://patchwork.freedesktop.org/patch/msgid/20241017115516.GA196624@linux.fritz.box
2024-10-17Merge tag 'sound-6.12-rc4' of ↵Linus Torvalds1-1/+1
git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound Pull sound fixes from Takashi Iwai: "A collection of small fixes, nothing really stands out: - Usual HD-audio quirks / device-specific fixes - Kconfig dependency fix for UM - A series of minor fixes for SoundWire - Updates of USB-audio LINE6 contact address" * tag 'sound-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda/conexant - Use cached pin control for Node 0x1d on HP EliteOne 1000 G2 ALSA/hda: intel-sdw-acpi: add support for sdw-manager-list property read ALSA/hda: intel-sdw-acpi: simplify sdw-master-count property read ALSA/hda: intel-sdw-acpi: fetch fwnode once in sdw_intel_scan_controller() ALSA/hda: intel-sdw-acpi: cleanup sdw_intel_scan_controller ALSA: hda/tas2781: Add new quirk for Lenovo, ASUS, Dell projects ALSA: scarlett2: Add error check after retrieving PEQ filter values ALSA: hda/cs8409: Fix possible NULL dereference sound: Make CONFIG_SND depend on INDIRECT_IOMEM instead of UML ALSA: line6: update contact information ALSA: usb-audio: Fix NULL pointer deref in snd_usb_power_domain_set() ALSA: hda/conexant - Fix audio routing for HP EliteOne 1000 G2 ALSA: hda: Sound support for HP Spectre x360 16 inch model 2024
2024-10-17Merge tag 'net-6.12-rc4' of ↵Linus Torvalds2-3/+3
git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net Pull networking fixes from Paolo Abeni: "Current release - new code bugs: - eth: mlx5: HWS, don't destroy more bwc queue locks than allocated Previous releases - regressions: - ipv4: give an IPv4 dev to blackhole_netdev - udp: compute L4 checksum as usual when not segmenting the skb - tcp/dccp: don't use timer_pending() in reqsk_queue_unlink(). - eth: mlx5e: don't call cleanup on profile rollback failure - eth: microchip: vcap api: fix memory leaks in vcap_api_encode_rule_test() - eth: enetc: disable Tx BD rings after they are empty - eth: macb: avoid 20s boot delay by skipping MDIO bus registration for fixed-link PHY Previous releases - always broken: - posix-clock: fix missing timespec64 check in pc_clock_settime() - genetlink: hold RCU in genlmsg_mcast() - mptcp: prevent MPC handshake on port-based signal endpoints - eth: vmxnet3: fix packet corruption in vmxnet3_xdp_xmit_frame - eth: stmmac: dwmac-tegra: fix link bring-up sequence - eth: bcmasp: fix potential memory leak in bcmasp_xmit() Misc: - add Andrew Lunn as a co-maintainer of all networking drivers" * tag 'net-6.12-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (47 commits) net/mlx5e: Don't call cleanup on profile rollback failure net/mlx5: Unregister notifier on eswitch init failure net/mlx5: Fix command bitmask initialization net/mlx5: Check for invalid vector index on EQ creation net/mlx5: HWS, use lock classes for bwc locks net/mlx5: HWS, don't destroy more bwc queue locks than allocated net/mlx5: HWS, fixed double free in error flow of definer layout net/mlx5: HWS, removed wrong access to a number of rules variable mptcp: pm: fix UaF read in mptcp_pm_nl_rm_addr_or_subflow net: ethernet: mtk_eth_soc: fix memory corruption during fq dma init vmxnet3: Fix packet corruption in vmxnet3_xdp_xmit_frame net: dsa: vsc73xx: fix reception from VLAN-unaware bridges net: ravb: Only advertise Rx/Tx timestamps if hardware supports it net: microchip: vcap api: Fix memory leaks in vcap_api_encode_rule_test() net: phy: mdio-bcm-unimac: Add BCM6846 support dt-bindings: net: brcm,unimac-mdio: Add bcm6846-mdio udp: Compute L4 checksum as usual when not segmenting the skb genetlink: hold RCU in genlmsg_mcast() net: dsa: mv88e6xxx: Fix the max_vid definition for the MV88E6361 tcp/dccp: Don't use timer_pending() in reqsk_queue_unlink(). ...
2024-10-17dma-mapping: fix tracing dma_alloc/free with vmalloc'd memorySean Anderson1-8/+8
Not all virtual addresses have physical addresses, such as if they were vmalloc'd. Just trace the virtual address instead of trying to trace a physical address. This aligns with the API, and is good enough to associate dma_alloc with dma_free. Fixes: 038eb433dc14 ("dma-mapping: add tracing for dma-mapping API calls") Reported-by: syzbot+b4bfacdec173efaa8567@syzkaller.appspotmail.com Closes: https://lore.kernel.org/all/670ebde5.050a0220.d9b66.0154.GAE@google.com/ Signed-off-by: Sean Anderson <sean.anderson@linux.dev> Signed-off-by: Christoph Hellwig <hch@lst.de>
2024-10-17bpf, sockmap: SK_DROP on attempted redirects of unsupported af_vsockMichal Luczaj1-0/+5
Don't mislead the callers of bpf_{sk,msg}_redirect_{map,hash}(): make sure to immediately and visibly fail the forwarding of unsupported af_vsock packets. Fixes: 634f1a7110b4 ("vsock: support sockmap") Signed-off-by: Michal Luczaj <mhal@rbox.co> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: John Fastabend <john.fastabend@gmail.com> Link: https://lore.kernel.org/bpf/20241013-vsock-fixes-for-redir-v2-1-d6577bbfe742@rbox.co
2024-10-17Merge branch 'linus' into sched/urgent, to resolve conflictIngo Molnar53-75/+160
Conflicts: kernel/sched/ext.c There's a context conflict between this upstream commit: 3fdb9ebcec10 sched_ext: Start schedulers with consistent p->scx.slice values ... and this fix in sched/urgent: 98442f0ccd82 sched: Fix delayed_dequeue vs switched_from_fair() Resolve it. Signed-off-by: Ingo Molnar <mingo@kernel.org>
2024-10-17mm: huge_memory: add vma_thp_disabled() and thp_disabled_by_hw()Kefeng Wang1-0/+18
Patch series "mm: don't install PMD mappings when THPs are disabled by the hw/process/vma". During testing, it was found that we can get PMD mappings in processes where THP (and more precisely, PMD mappings) are supposed to be disabled. While it works as expected for anon+shmem, the pagecache is the problematic bit. For s390 KVM this currently means that a VM backed by a file located on filesystem with large folio support can crash when KVM tries accessing the problematic page, because the readahead logic might decide to use a PMD-sized THP and faulting it into the page tables will install a PMD mapping, something that s390 KVM cannot tolerate. This might also be a problem with HW that does not support PMD mappings, but I did not try reproducing it. Fix it by respecting the ways to disable THPs when deciding whether we can install a PMD mapping. khugepaged should already be taking care of not collapsing if THPs are effectively disabled for the hw/process/vma. This patch (of 2): Add vma_thp_disabled() and thp_disabled_by_hw() helpers to be shared by shmem_allowable_huge_orders() and __thp_vma_allowable_orders(). [david@redhat.com: rename to vma_thp_disabled(), split out thp_disabled_by_hw() ] Link: https://lkml.kernel.org/r/20241011102445.934409-2-david@redhat.com Fixes: 793917d997df ("mm/readahead: Add large folio readahead") Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com> Signed-off-by: David Hildenbrand <david@redhat.com> Reported-by: Leo Fu <bfu@redhat.com> Tested-by: Thomas Huth <thuth@redhat.com> Reviewed-by: Ryan Roberts <ryan.roberts@arm.com> Cc: Boqiao Fu <bfu@redhat.com> Cc: Christian Borntraeger <borntraeger@linux.ibm.com> Cc: Claudio Imbrenda <imbrenda@linux.ibm.com> Cc: Hugh Dickins <hughd@google.com> Cc: Janosch Frank <frankja@linux.ibm.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-17mm: khugepaged: fix the arguments order in khugepaged_collapse_file trace pointYang Shi1-2/+2
The "addr" and "is_shmem" arguments have different order in TP_PROTO and TP_ARGS. This resulted in the incorrect trace result: text-hugepage-644429 [276] 392092.878683: mm_khugepaged_collapse_file: mm=0xffff20025d52c440, hpage_pfn=0x200678c00, index=512, addr=1, is_shmem=0, filename=text-hugepage, nr=512, result=failed The value of "addr" is wrong because it was treated as bool value, the type of is_shmem. Fix the order in TP_PROTO to keep "addr" is before "is_shmem" since the original patch review suggested this order to achieve best packing. And use "lx" for "addr" instead of "ld" in TP_printk because address is typically shown in hex. After the fix, the trace result looks correct: text-hugepage-7291 [004] 128.627251: mm_khugepaged_collapse_file: mm=0xffff0001328f9500, hpage_pfn=0x20016ea00, index=512, addr=0x400000, is_shmem=0, filename=text-hugepage, nr=512, result=failed Link: https://lkml.kernel.org/r/20241012011702.1084846-1-yang@os.amperecomputing.com Fixes: 4c9473e87e75 ("mm/khugepaged: add tracepoint to collapse_file()") Signed-off-by: Yang Shi <yang@os.amperecomputing.com> Cc: Gautam Menghani <gautammenghani201@gmail.com> Cc: Steven Rostedt (Google) <rostedt@goodmis.org> Cc: <stable@vger.kernel.org> [6.2+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-17mm: percpu: increase PERCPU_DYNAMIC_SIZE_SHIFT on certain builds.Sebastian Andrzej Siewior1-1/+5
Arnd reported a build failure due to the BUILD_BUG_ON() statement in alloc_kmem_cache_cpus(). The test PERCPU_DYNAMIC_EARLY_SIZE < NR_KMALLOC_TYPES * KMALLOC_SHIFT_HIGH * sizeof(struct kmem_cache_cpu) The factors that increase the right side of the equation: - PAGE_SIZE > 4KiB increases KMALLOC_SHIFT_HIGH - For the local_lock_t in kmem_cache_cpu: - PREEMPT_RT adds an actual lock. - LOCKDEP increases the size of the lock. - LOCK_STAT adds additional bytes plus padding to the lockdep structure. The net difference with and without PREEMPT_RT is 88 bytes for the lock_lock_t, 96 bytes for kmem_cache_cpu due to additional padding. This is enough to exceed the 80KiB limit with 16KiB page size - the 8KiB page size is fine. Increase PERCPU_DYNAMIC_SIZE_SHIFT to 13 on configs with PAGE_SIZE larger than 4KiB and LOCKDEP enabled. Link: https://lkml.kernel.org/r/20241007143049.gyMpEu89@linutronix.de Fixes: d8fccd9ca5f9 ("arm64: Allow to enable PREEMPT_RT.") Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202410020326.iaZIteIx-lkp@intel.com/ Reported-by: Arnd Bergmann <arnd@kernel.org> Closes: https://lore.kernel.org/20241004095702.637528-1-arnd@kernel.org Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Vlastimil Babka <vbabka@suse.cz> Acked-by: David Rientjes <rientjes@google.com> Cc: Christoph Lameter <cl@linux.com> Cc: Dennis Zhou <dennis@kernel.org> Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com> Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com> Cc: Pekka Enberg <penberg@kernel.org> Cc: Roman Gushchin <roman.gushchin@linux.dev> Cc: Tejun Heo <tj@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-10-16ublk: don't allow user copy for unprivileged deviceMing Lei1-1/+7
UBLK_F_USER_COPY requires userspace to call write() on ublk char device for filling request buffer, and unprivileged device can't be trusted. So don't allow user copy for unprivileged device. Cc: stable@vger.kernel.org Fixes: 1172d5b8beca ("ublk: support user copy") Signed-off-by: Ming Lei <ming.lei@redhat.com> Link: https://lore.kernel.org/r/20241016134847.2911721-1-ming.lei@redhat.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
2024-10-16fs: pass offset and result to backing_file end_write() callbackAmir Goldstein1-1/+1
This is needed for extending fuse inode size after fuse passthrough write. Suggested-by: Miklos Szeredi <miklos@szeredi.hu> Link: https://lore.kernel.org/linux-fsdevel/CAJfpegs=cvZ_NYy6Q_D42XhYS=Sjj5poM1b5TzXzOVvX=R36aA@mail.gmail.com/ Signed-off-by: Amir Goldstein <amir73il@gmail.com> Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
2024-10-16genetlink: hold RCU in genlmsg_mcast()Eric Dumazet1-2/+1
While running net selftests with CONFIG_PROVE_RCU_LIST=y I saw one lockdep splat [1]. genlmsg_mcast() uses for_each_net_rcu(), and must therefore hold RCU. Instead of letting all callers guard genlmsg_multicast_allns() with a rcu_read_lock()/rcu_read_unlock() pair, do it in genlmsg_mcast(). This also means the @flags parameter is useless, we need to always use GFP_ATOMIC. [1] [10882.424136] ============================= [10882.424166] WARNING: suspicious RCU usage [10882.424309] 6.12.0-rc2-virtme #1156 Not tainted [10882.424400] ----------------------------- [10882.424423] net/netlink/genetlink.c:1940 RCU-list traversed in non-reader section!! [10882.424469] other info that might help us debug this: [10882.424500] rcu_scheduler_active = 2, debug_locks = 1 [10882.424744] 2 locks held by ip/15677: [10882.424791] #0: ffffffffb6b491b0 (cb_lock){++++}-{3:3}, at: genl_rcv (net/netlink/genetlink.c:1219) [10882.426334] #1: ffffffffb6b49248 (genl_mutex){+.+.}-{3:3}, at: genl_rcv_msg (net/netlink/genetlink.c:61 net/netlink/genetlink.c:57 net/netlink/genetlink.c:1209) [10882.426465] stack backtrace: [10882.426805] CPU: 14 UID: 0 PID: 15677 Comm: ip Not tainted 6.12.0-rc2-virtme #1156 [10882.426919] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [10882.427046] Call Trace: [10882.427131] <TASK> [10882.427244] dump_stack_lvl (lib/dump_stack.c:123) [10882.427335] lockdep_rcu_suspicious (kernel/locking/lockdep.c:6822) [10882.427387] genlmsg_multicast_allns (net/netlink/genetlink.c:1940 (discriminator 7) net/netlink/genetlink.c:1977 (discriminator 7)) [10882.427436] l2tp_tunnel_notify.constprop.0 (net/l2tp/l2tp_netlink.c:119) l2tp_netlink [10882.427683] l2tp_nl_cmd_tunnel_create (net/l2tp/l2tp_netlink.c:253) l2tp_netlink [10882.427748] genl_family_rcv_msg_doit (net/netlink/genetlink.c:1115) [10882.427834] genl_rcv_msg (net/netlink/genetlink.c:1195 net/netlink/genetlink.c:1210) [10882.427877] ? __pfx_l2tp_nl_cmd_tunnel_create (net/l2tp/l2tp_netlink.c:186) l2tp_netlink [10882.427927] ? __pfx_genl_rcv_msg (net/netlink/genetlink.c:1201) [10882.427959] netlink_rcv_skb (net/netlink/af_netlink.c:2551) [10882.428069] genl_rcv (net/netlink/genetlink.c:1220) [10882.428095] netlink_unicast (net/netlink/af_netlink.c:1332 net/netlink/af_netlink.c:1357) [10882.428140] netlink_sendmsg (net/netlink/af_netlink.c:1901) [10882.428210] ____sys_sendmsg (net/socket.c:729 (discriminator 1) net/socket.c:744 (discriminator 1) net/socket.c:2607 (discriminator 1)) Fixes: 33f72e6f0c67 ("l2tp : multicast notification to the registered listeners") Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: James Chapman <jchapman@katalix.com> Cc: Tom Parkin <tparkin@katalix.com> Cc: Johannes Berg <johannes.berg@intel.com> Link: https://patch.msgid.link/20241011171217.3166614-1-edumazet@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
2024-10-15Merge tag 'bcachefs-2024-10-14' of git://evilpiepirate.org/bcachefsLinus Torvalds1-0/+35
Pull bcachefs fixes from Kent Overstreet: - New metadata version inode_has_child_snapshots This fixes bugs with handling of unlinked inodes + snapshots, in particular when an inode is reattached after taking a snapshot; deleted inodes now get correctly cleaned up across snapshots. - Disk accounting rewrite fixes - validation fixes for when a device has been removed - fix journal replay failing with "journal_reclaim_would_deadlock" - Some more small fixes for erasure coding + device removal - Assorted small syzbot fixes * tag 'bcachefs-2024-10-14' of git://evilpiepirate.org/bcachefs: (27 commits) bcachefs: Fix sysfs warning in fstests generic/730,731 bcachefs: Handle race between stripe reuse, invalidate_stripe_to_dev bcachefs: Fix kasan splat in new_stripe_alloc_buckets() bcachefs: Add missing validation for bch_stripe.csum_granularity_bits bcachefs: Fix missing bounds checks in bch2_alloc_read() bcachefs: fix uaf in bch2_dio_write_done() bcachefs: Improve check_snapshot_exists() bcachefs: Fix bkey_nocow_lock() bcachefs: Fix accounting replay flags bcachefs: Fix invalid shift in member_to_text() bcachefs: Fix bch2_have_enough_devs() for BCH_SB_MEMBER_INVALID bcachefs: __wait_for_freeing_inode: Switch to wait_bit_queue_entry bcachefs: Check if stuck in journal_res_get() closures: Add closure_wait_event_timeout() bcachefs: Fix state lock involved deadlock bcachefs: Fix NULL pointer dereference in bch2_opt_to_text bcachefs: Release transaction before wake up bcachefs: add check for btree id against max in try read node bcachefs: Disk accounting device validation fixes bcachefs: bch2_inode_or_descendents_is_open() ...
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