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2020-08-15net: bonding: bond_3ad: Fix a bunch of kerneldoc parameter issuesLee Jones1-7/+8
Renames and missing descriptions. Fixes the following W=1 kernel build warning(s): drivers/net/bonding/bond_3ad.c:140: warning: Function parameter or member 'port' not described in '__get_first_agg' drivers/net/bonding/bond_3ad.c:140: warning: Excess function parameter 'bond' description in '__get_first_agg' drivers/net/bonding/bond_3ad.c:1655: warning: Function parameter or member 'agg' not described in 'ad_agg_selection_logic' drivers/net/bonding/bond_3ad.c:1655: warning: Excess function parameter 'aggregator' description in 'ad_agg_selection_logic' drivers/net/bonding/bond_3ad.c:1817: warning: Function parameter or member 'port' not described in 'ad_initialize_port' drivers/net/bonding/bond_3ad.c:1817: warning: Excess function parameter 'aggregator' description in 'ad_initialize_port' drivers/net/bonding/bond_3ad.c:1976: warning: Function parameter or member 'timeout' not described in 'bond_3ad_initiate_agg_selection' drivers/net/bonding/bond_3ad.c:2274: warning: Function parameter or member 'work' not described in 'bond_3ad_state_machine_handler' drivers/net/bonding/bond_3ad.c:2274: warning: Excess function parameter 'bond' description in 'bond_3ad_state_machine_handler' drivers/net/bonding/bond_3ad.c:2508: warning: Function parameter or member 'link' not described in 'bond_3ad_handle_link_change' drivers/net/bonding/bond_3ad.c:2508: warning: Excess function parameter 'status' description in 'bond_3ad_handle_link_change' drivers/net/bonding/bond_3ad.c:2566: warning: Function parameter or member 'bond' not described in 'bond_3ad_set_carrier' drivers/net/bonding/bond_3ad.c:2677: warning: Function parameter or member 'bond' not described in 'bond_3ad_update_lacp_rate' drivers/net/bonding/bond_3ad.c:1655: warning: Function parameter or member 'agg' not described in 'ad_agg_selection_logic' drivers/net/bonding/bond_3ad.c:1655: warning: Excess function parameter 'aggregator' description in 'ad_agg_selection_logic' drivers/net/bonding/bond_3ad.c:1817: warning: Function parameter or member 'port' not described in 'ad_initialize_port' drivers/net/bonding/bond_3ad.c:1817: warning: Excess function parameter 'aggregator' description in 'ad_initialize_port' drivers/net/bonding/bond_3ad.c:1976: warning: Function parameter or member 'timeout' not described in 'bond_3ad_initiate_agg_selection' drivers/net/bonding/bond_3ad.c:2274: warning: Function parameter or member 'work' not described in 'bond_3ad_state_machine_handler' drivers/net/bonding/bond_3ad.c:2274: warning: Excess function parameter 'bond' description in 'bond_3ad_state_machine_handler' drivers/net/bonding/bond_3ad.c:2508: warning: Function parameter or member 'link' not described in 'bond_3ad_handle_link_change' drivers/net/bonding/bond_3ad.c:2508: warning: Excess function parameter 'status' description in 'bond_3ad_handle_link_change' drivers/net/bonding/bond_3ad.c:2566: warning: Function parameter or member 'bond' not described in 'bond_3ad_set_carrier' drivers/net/bonding/bond_3ad.c:2677: warning: Function parameter or member 'bond' not described in 'bond_3ad_update_lacp_rate' Cc: Jay Vosburgh <j.vosburgh@gmail.com> Cc: Veaceslav Falico <vfalico@gmail.com> Cc: Andy Gospodarek <andy@greyhouse.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jakub Kicinski <kuba@kernel.org> Cc: netdev@vger.kernel.org Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15drivers/net/wan/hdlc_x25: Added needed_headroom and a skb->len checkXie He2-1/+17
1. Added a skb->len check This driver expects upper layers to include a pseudo header of 1 byte when passing down a skb for transmission. This driver will read this 1-byte header. This patch added a skb->len check before reading the header to make sure the header exists. 2. Added needed_headroom and set hard_header_len to 0 When this driver transmits data, first this driver will remove a pseudo header of 1 byte, then the lapb module will prepend the LAPB header of 2 or 3 bytes. So the value of needed_headroom in this driver should be 3 - 1. Because this driver has no header_ops, according to the logic of af_packet.c, the value of hard_header_len should be 0. Reason of setting needed_headroom and hard_header_len at this place: This driver is written using the API of the hdlc module, the hdlc module enables this driver (the protocol driver) to run on any hardware that has a driver (the hardware driver) written using the API of the hdlc module. Two other hdlc protocol drivers - hdlc_ppp and hdlc_raw_eth, also set things like hard_header_len at this place. In hdlc_ppp, it sets hard_header_len after attach_hdlc_protocol and before setting dev->type. In hdlc_raw_eth, it sets hard_header_len by calling ether_setup after attach_hdlc_protocol and after memcpy the settings. 3. Reset needed_headroom when detaching protocols (in hdlc.c) When detaching a protocol from a hardware device, the hdlc module will reset various parameters of the device (including hard_header_len) to the default values. We add needed_headroom here so that needed_headroom will also be reset. Cc: Willem de Bruijn <willemdebruijn.kernel@gmail.com> Cc: Martin Schiller <ms@dev.tdt.de> Cc: Andrew Hendry <andrew.hendry@gmail.com> Signed-off-by: Xie He <xie.he.0141@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15bonding: show saner speed for broadcast modeJarod Wilson1-3/+18
Broadcast mode bonds transmit a copy of all traffic simultaneously out of all interfaces, so the "speed" of the bond isn't really the aggregate of all interfaces, but rather, the speed of the slowest active interface. Also, the type of the speed field is u32, not unsigned long, so adjust that accordingly, as required to make min() function here without complaining about mismatching types. Fixes: bb5b052f751b ("bond: add support to read speed and duplex via ethtool") CC: Jay Vosburgh <j.vosburgh@gmail.com> CC: Veaceslav Falico <vfalico@gmail.com> CC: Andy Gospodarek <andy@greyhouse.net> CC: "David S. Miller" <davem@davemloft.net> CC: netdev@vger.kernel.org Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Signed-off-by: Jarod Wilson <jarod@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller32-141/+421
Daniel Borkmann says: ==================== pull-request: bpf 2020-08-15 The following pull-request contains BPF updates for your *net* tree. We've added 23 non-merge commits during the last 4 day(s) which contain a total of 32 files changed, 421 insertions(+), 141 deletions(-). The main changes are: 1) Fix sock_ops ctx access splat due to register override, from John Fastabend. 2) Batch of various fixes to libbpf, bpftool, and selftests when testing build in 32-bit mode, from Andrii Nakryiko. 3) Fix vmlinux.h generation on ARM by mapping GCC built-in types (__Poly*_t) to equivalent ones clang can work with, from Jean-Philippe Brucker. 4) Fix build_id lookup in bpf_get_stackid() helper by walking all NOTE ELF sections instead of just first, from Jiri Olsa. 5) Avoid use of __builtin_offsetof() in libbpf for CO-RE, from Yonghong Song. 6) Fix segfault in test_mmap due to inconsistent length params, from Jianlin Lv. 7) Don't override errno in libbpf when logging errors, from Toke Høiland-Jørgensen. 8) Fix v4_to_v6 sockaddr conversion in sk_lookup test, from Stanislav Fomichev. 9) Add link to bpf-helpers(7) man page to BPF doc, from Joe Stringer. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15net: fec: correct the error path for regulator disable in probeFugang Duan1-2/+2
Correct the error path for regulator disable. Fixes: 9269e5560b26 ("net: fec: add phy-reset-gpios PROBE_DEFER check") Signed-off-by: Fugang Duan <fugang.duan@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15docs: networking: bonding.rst resources section cleanupNivedita Singhvi1-18/+0
Removed obsolete resources from bonding.rst doc: - bonding-devel@lists.sourceforge.net hasn't been used since 2008 - admin interface is 404 - Donald Becker's domain/content no longer online Signed-off-by: Nivedita Singhvi <nivedita.singhvi@canonical.com> Acked-by: Jay Vosburgh <jay.vosburgh@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15Merge branch '40GbE' of ↵David S. Miller5-14/+33
git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-queue Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2020-08-14 This series contains updates to i40e and igc drivers. Vinicius fixes an issue with PTP spinlock being accessed before initialization. Przemyslaw fixes an issue with trusted VFs seeing additional traffic. Grzegorz adds a wait for pending resets on driver removal to prevent null pointer dereference. v2: Fix function parameter for hw/aq in patch 2. Fix fixes tag in patch 3. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15i40e: Fix crash during removing i40e driverGrzegorz Szczurek1-0/+3
Fix the reason of crashing system by add waiting time to finish reset recovery process before starting remove driver procedure. Now VSI is releasing if VSI is not in reset recovery mode. Without this fix it was possible to start remove driver if other processing command need reset recovery procedure which resulted in null pointer dereference. VSI used by the ethtool process has been cleared by remove driver process. [ 6731.508665] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 6731.508668] #PF: supervisor read access in kernel mode [ 6731.508670] #PF: error_code(0x0000) - not-present page [ 6731.508671] PGD 0 P4D 0 [ 6731.508674] Oops: 0000 [#1] SMP PTI [ 6731.508679] Hardware name: Intel Corporation S2600WT2R/S2600WT2R, BIOS SE5C610.86B.01.01.0021.032120170601 03/21/2017 [ 6731.508694] RIP: 0010:i40e_down+0x252/0x310 [i40e] [ 6731.508696] Code: c7 78 de fa c0 e8 61 02 3a c1 66 83 bb f6 0c 00 00 00 0f 84 bf 00 00 00 45 31 e4 45 31 ff eb 03 41 89 c7 48 8b 83 98 0c 00 00 <4a> 8b 3c 20 e8 a5 79 02 00 48 83 bb d0 0c 00 00 00 74 10 48 8b 83 [ 6731.508698] RSP: 0018:ffffb75ac7b3faf0 EFLAGS: 00010246 [ 6731.508700] RAX: 0000000000000000 RBX: ffff9c9874bd5000 RCX: 0000000000000007 [ 6731.508701] RDX: 0000000000000000 RSI: 0000000000000096 RDI: ffff9c987f4d9780 [ 6731.508703] RBP: ffffb75ac7b3fb30 R08: 0000000000005b60 R09: 0000000000000004 [ 6731.508704] R10: ffffb75ac64fbd90 R11: 0000000000000001 R12: 0000000000000000 [ 6731.508706] R13: ffff9c97a08e0000 R14: ffff9c97a08e0a68 R15: 0000000000000000 [ 6731.508708] FS: 00007f2617cd2740(0000) GS:ffff9c987f4c0000(0000) knlGS:0000000000000000 [ 6731.508710] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6731.508711] CR2: 0000000000000000 CR3: 0000001e765c4006 CR4: 00000000003606e0 [ 6731.508713] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6731.508714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6731.508715] Call Trace: [ 6731.508734] i40e_vsi_close+0x84/0x90 [i40e] [ 6731.508742] i40e_quiesce_vsi.part.98+0x3c/0x40 [i40e] [ 6731.508749] i40e_pf_quiesce_all_vsi+0x55/0x60 [i40e] [ 6731.508757] i40e_prep_for_reset+0x59/0x130 [i40e] [ 6731.508765] i40e_reconfig_rss_queues+0x5a/0x120 [i40e] [ 6731.508774] i40e_set_channels+0xda/0x170 [i40e] [ 6731.508778] ethtool_set_channels+0xe9/0x150 [ 6731.508781] dev_ethtool+0x1b94/0x2920 [ 6731.508805] dev_ioctl+0xc2/0x590 [ 6731.508811] sock_do_ioctl+0xae/0x150 [ 6731.508813] sock_ioctl+0x34f/0x3c0 [ 6731.508821] ksys_ioctl+0x98/0xb0 [ 6731.508828] __x64_sys_ioctl+0x1a/0x20 [ 6731.508831] do_syscall_64+0x57/0x1c0 [ 6731.508835] entry_SYSCALL_64_after_hwframe+0x44/0xa9 Fixes: 4b8164467b85 ("i40e: Add common function for finding VSI by type") Signed-off-by: Grzegorz Szczurek <grzegorzx.szczurek@intel.com> Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-08-15i40e: Set RX_ONLY mode for unicast promiscuous on VLANPrzemyslaw Patynowski2-9/+28
Trusted VF with unicast promiscuous mode set, could listen to TX traffic of other VFs. Set unicast promiscuous mode to RX traffic, if VSI has port VLAN configured. Rename misleading I40E_AQC_SET_VSI_PROMISC_TX bit to I40E_AQC_SET_VSI_PROMISC_RX_ONLY. Aligned unicast promiscuous with VLAN to the one without VLAN. Fixes: 6c41a7606967 ("i40e: Add promiscuous on VLAN support") Fixes: 3b1200891b7f ("i40e: When in promisc mode apply promisc mode to Tx Traffic as well") Signed-off-by: Przemyslaw Patynowski <przemyslawx.patynowski@intel.com> Signed-off-by: Aleksandr Loktionov <aleksandr.loktionov@intel.com> Signed-off-by: Arkadiusz Kubalewski <arkadiusz.kubalewski@intel.com> Tested-by: Andrew Bowers <andrewx.bowers@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-08-15mptcp: sendmsg: reset iter on errorFlorian Westphal1-2/+6
Once we've copied data from the iterator we need to revert in case we end up not sending any data. This bug doesn't trigger with normal 'poll' based tests, because we only feed a small chunk of data to kernel after poll indicated POLLOUT. With blocking IO and large writes this triggers. Receiver ends up with less data than it should get. Fixes: 72511aab95c94d ("mptcp: avoid blocking in tcp_sendpages") Signed-off-by: Florian Westphal <fw@strlen.de> Reviewed-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-15sfc: check hash is valid before using itEdward Cree5-1/+18
On EF100, the RX hash field in the packet prefix may not be valid (e.g. if the header parse failed), and this is indicated by a one-bit flag elsewhere in the packet prefix. Only call skb_set_hash() if the RSS_HASH_VALID bit is set. Signed-off-by: Edward Cree <ecree@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-14Merge tag 'linux-can-fixes-for-5.9-20200814' of ↵David S. Miller2-8/+62
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2020-08-14 this is a pull request of 6 patches for net/master. All patches fix problems in the j1939 CAN networking stack. The first patch is by Eric Dumazet fixes a kernel-infoleak in j1939_sk_sock2sockaddr_can(). The remaining 5 patches are by Oleksij Rempel and fix recption of j1939 messages not orginated by the stack, a use-after-free in j1939_tp_txtimer(), ensure that the CAN driver has a ml_priv allocated. These problem were found by google's syzbot. Further ETP sessions with block size of less than 255 are fixed and a sanity check was added to j1939_xtp_rx_dat_one() to detect packet corruption. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2020-08-14Merge tag 'powerpc-5.9-2' of ↵Linus Torvalds2-9/+8
git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux Pull powerpc fix from Michael Ellerman: "One fix for a boot crash on some platforms introduced by the recent pkey refactoring. Thanks to Christian Zigotzky and Aneesh Kumar K.V" * tag 'powerpc-5.9-2' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/pkeys: Fix boot failures with Nemo board (A-EON AmigaOne X1000)
2020-08-14Merge tag 'for-linus-5.9-rc1b-tag' of ↵Linus Torvalds27-1143/+397
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip Pull more xen updates from Juergen Gross: - Remove support for running as 32-bit Xen PV-guest. 32-bit PV guests are rarely used, are lacking security fixes for Meltdown, and can be easily replaced by PVH mode. Another series for doing more cleanup will follow soon (removal of 32-bit-only pvops functionality). - Fixes and additional features for the Xen display frontend driver. * tag 'for-linus-5.9-rc1b-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip: drm/xen-front: Pass dumb buffer data offset to the backend xen: Sync up with the canonical protocol definition in Xen drm/xen-front: Add YUYV to supported formats drm/xen-front: Fix misused IS_ERR_OR_NULL checks xen/gntdev: Fix dmabuf import with non-zero sgt offset x86/xen: drop tests for highmem in pv code x86/xen: eliminate xen-asm_64.S x86/xen: remove 32-bit Xen PV guest support
2020-08-14Merge tag 'hyperv-fixes-signed' of ↵Linus Torvalds4-8/+16
git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux Pull hyper-v fixes from Wei Liu: - fix oops reporting on Hyper-V - make objtool happy * tag 'hyperv-fixes-signed' of git://git.kernel.org/pub/scm/linux/kernel/git/hyperv/linux: x86/hyperv: Make hv_setup_sched_clock inline Drivers: hv: vmbus: Only notify Hyper-V for die events that are oops
2020-08-14x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_taskEric Dumazet1-1/+1
syzbot found its way in 86_fsgsbase_read_task() and triggered this oops: KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f] CPU: 0 PID: 6866 Comm: syz-executor262 Not tainted 5.8.0-syzkaller #0 RIP: 0010:x86_fsgsbase_read_task+0x16d/0x310 arch/x86/kernel/process_64.c:393 Call Trace: putreg32+0x3ab/0x530 arch/x86/kernel/ptrace.c:876 genregs32_set arch/x86/kernel/ptrace.c:1026 [inline] genregs32_set+0xa4/0x100 arch/x86/kernel/ptrace.c:1006 copy_regset_from_user include/linux/regset.h:326 [inline] ia32_arch_ptrace arch/x86/kernel/ptrace.c:1061 [inline] compat_arch_ptrace+0x36c/0xd90 arch/x86/kernel/ptrace.c:1198 __do_compat_sys_ptrace kernel/ptrace.c:1420 [inline] __se_compat_sys_ptrace kernel/ptrace.c:1389 [inline] __ia32_compat_sys_ptrace+0x220/0x2f0 kernel/ptrace.c:1389 do_syscall_32_irqs_on arch/x86/entry/common.c:84 [inline] __do_fast_syscall_32+0x57/0x80 arch/x86/entry/common.c:126 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:149 entry_SYSENTER_compat_after_hwframe+0x4d/0x5c This can happen if ptrace() or sigreturn() pokes an LDT selector into FS or GS for a task with no LDT and something tries to read the base before a return to usermode notices the bad selector and fixes it. The fix is to make sure ldt pointer is not NULL. Fixes: 07e1d88adaae ("x86/fsgsbase/64: Fix ptrace() to read the FS/GS base accurately") Co-developed-by: Jann Horn <jannh@google.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Acked-by: Andy Lutomirski <luto@kernel.org> Cc: Chang S. Bae <chang.seok.bae@intel.com> Cc: Andy Lutomirski <luto@amacapital.net> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Markus T Metzger <markus.t.metzger@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Shankar <ravi.v.shankar@intel.com> Cc: Rik van Riel <riel@surriel.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2020-08-14Merge branch 'linus' of ↵Linus Torvalds2-12/+1
git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 Pull crypto fix from Herbert Xu: "This fixes a regression in af_alg" * 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6: crypto: algif_aead - fix uninitialized ctx->init
2020-08-14Merge tag 'modules-for-v5.9' of ↵Linus Torvalds3-41/+47
git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux Pull module updates from Jessica Yu: "The most important change would be Christoph Hellwig's patch implementing proprietary taint inheritance, in an effort to discourage the creation of GPL "shim" modules that interface between GPL symbols and proprietary symbols. Summary: - Have modules that use symbols from proprietary modules inherit the TAINT_PROPRIETARY_MODULE taint, in an effort to prevent GPL shim modules that are used to circumvent _GPL exports. These are modules that claim to be GPL licensed while also using symbols from proprietary modules. Such modules will be rejected while non-GPL modules will inherit the proprietary taint. - Module export space cleanup. Unexport symbols that are unused outside of module.c or otherwise used in only built-in code" * tag 'modules-for-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/jeyu/linux: modules: inherit TAINT_PROPRIETARY_MODULE modules: return licensing information from find_symbol modules: rename the licence field in struct symsearch to license modules: unexport __module_address modules: unexport __module_text_address modules: mark each_symbol_section static modules: mark find_symbol static modules: mark ref_module static modules: linux/moduleparam.h: drop duplicated word in a comment
2020-08-14Merge tag 'kconfig-v5.9' of ↵Linus Torvalds8-243/+218
git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kconfig updates from Masahiro Yamada: - remove '---help---' keyword support - fix mouse events for 'menuconfig' symbols in search view of qconf - code cleanups of qconf * tag 'kconfig-v5.9' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: (24 commits) kconfig: qconf: move setOptionMode() to ConfigList from ConfigView kconfig: qconf: do not limit the pop-up menu to the first row kconfig: qconf: refactor icon setups kconfig: qconf: remove unused voidPix, menuInvPix kconfig: qconf: remove ConfigItem::text/setText kconfig: qconf: remove ConfigList::addColumn/removeColumn kconfig: qconf: remove ConfigItem::pixmap/setPixmap kconfig: qconf: drop more localization code kconfig: qconf: remove 'parent' from ConfigList::updateMenuList() kconfig: qconf: remove unused argument from ConfigView::updateList() kconfig: qconf: remove unused argument from ConfigList::updateList() kconfig: qconf: omit parent to QHBoxLayout() kconfig: qconf: remove name from ConfigSearchWindow constructor kconfig: qconf: remove unused ConfigList::listView() kconfig: qconf: overload addToolBar() to create and insert toolbar kconfig: qconf: remove toolBar from ConfigMainWindow members kconfig: qconf: use 'menu' variable for (QMenu *) kconfig: qconf: do not use 'menu' variable for (QMenuBar *) kconfig: qconf: remove ->addSeparator() to menuBar kconfig: add 'static' to some file-local data ...
2020-08-14igc: Fix PTP initializationVinicius Costa Gomes2-5/+2
Right now, igc_ptp_reset() is called from igc_reset(), which is called from igc_probe() before igc_ptp_init() has a chance to run. It is detected as an attempt to use an spinlock without registering its key first. See log below. To avoid this problem, simplify the initialization: igc_ptp_init() is only called from igc_probe(), and igc_ptp_reset() is only called from igc_reset(). [ 2.736332] INFO: trying to register non-static key. [ 2.736902] input: HDA Intel PCH Front Headphone as /devices/pci0000:00/0000:00:1f.3/sound/card0/input10 [ 2.737513] the code is fine but needs lockdep annotation. [ 2.737513] turning off the locking correctness validator. [ 2.737515] CPU: 8 PID: 239 Comm: systemd-udevd Tainted: G E 5.8.0-rc7+ #13 [ 2.737515] Hardware name: Gigabyte Technology Co., Ltd. Z390 AORUS ULTRA/Z390 AORUS ULTRA-CF, BIOS F7 03/14/2019 [ 2.737516] Call Trace: [ 2.737521] dump_stack+0x78/0xa0 [ 2.737524] register_lock_class+0x6b1/0x6f0 [ 2.737526] ? lockdep_hardirqs_on_prepare+0xca/0x160 [ 2.739177] ? _raw_spin_unlock_irq+0x24/0x50 [ 2.739179] ? trace_hardirqs_on+0x1c/0xf0 [ 2.740820] __lock_acquire+0x56/0x1ff0 [ 2.740823] ? __schedule+0x30c/0x970 [ 2.740825] lock_acquire+0x97/0x3e0 [ 2.740830] ? igc_ptp_reset+0x35/0xf0 [igc] [ 2.740833] ? schedule_hrtimeout_range_clock+0xb7/0x120 [ 2.742507] _raw_spin_lock_irqsave+0x3a/0x50 [ 2.742512] ? igc_ptp_reset+0x35/0xf0 [igc] [ 2.742515] igc_ptp_reset+0x35/0xf0 [igc] [ 2.742519] igc_reset+0x96/0xd0 [igc] [ 2.744148] igc_probe+0x68f/0x7d0 [igc] [ 2.745796] local_pci_probe+0x3d/0x70 [ 2.745799] pci_device_probe+0xd1/0x190 [ 2.745802] really_probe+0x15a/0x3f0 [ 2.759936] driver_probe_device+0xe1/0x150 [ 2.759937] device_driver_attach+0xa8/0xb0 [ 2.761786] __driver_attach+0x89/0x150 [ 2.761786] ? device_driver_attach+0xb0/0xb0 [ 2.761787] ? device_driver_attach+0xb0/0xb0 [ 2.761788] bus_for_each_dev+0x66/0x90 [ 2.765012] bus_add_driver+0x12e/0x1f0 [ 2.765716] driver_register+0x8b/0xe0 [ 2.766418] ? 0xffffffffc0230000 [ 2.767119] do_one_initcall+0x5a/0x310 [ 2.767826] ? kmem_cache_alloc_trace+0xe9/0x200 [ 2.768528] do_init_module+0x5c/0x260 [ 2.769206] __do_sys_finit_module+0x93/0xe0 [ 2.770048] do_syscall_64+0x46/0xa0 [ 2.770716] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 2.771396] RIP: 0033:0x7f83534589e0 [ 2.772073] Code: 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 2e 2e 2e 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 80 24 0d 00 f7 d8 64 89 01 48 [ 2.772074] RSP: 002b:00007ffd31d0ed18 EFLAGS: 00000246 ORIG_RAX: 0000000000000139 [ 2.774854] RAX: ffffffffffffffda RBX: 000055d52816aba0 RCX: 00007f83534589e0 [ 2.774855] RDX: 0000000000000000 RSI: 00007f83535b982f RDI: 0000000000000006 [ 2.774855] RBP: 00007ffd31d0ed60 R08: 0000000000000000 R09: 00007ffd31d0ed30 [ 2.774856] R10: 0000000000000006 R11: 0000000000000246 R12: 0000000000000000 [ 2.774856] R13: 0000000000020000 R14: 00007f83535b982f R15: 000055d527f5e120 Fixes: 5f2958052c58 ("igc: Add basic skeleton for PTP") Signed-off-by: Vinicius Costa Gomes <vinicius.gomes@intel.com> Reviewed-by: Andre Guedes <andre.guedes@intel.com> Tested-by: Aaron Brown <aaron.f.brown@intel.com> Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
2020-08-14can: j1939: transport: j1939_xtp_rx_dat_one(): compare own packets to detect ↵Oleksij Rempel1-1/+14
corruptions Since the stack relays on receiving own packets, it was overwriting own transmit buffer from received packets. At least theoretically, the received echo buffer can be corrupt or changed and the session partner can request to resend previous data. In this case we will re-send bad data. With this patch we will stop to overwrite own TX buffer and use it for sanity checking. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200807105200.26441-6-o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14can: j1939: transport: add j1939_session_skb_find_by_offset() functionOleksij Rempel1-7/+15
Sometimes it makes no sense to search the skb by pkt.dpo, since we need next the skb within the transaction block. This may happen if we have an ETP session with CTS set to less than 255 packets. After this patch, we will be able to work with ETP sessions where the block size (ETP.CM_CTS byte 2) is less than 255 packets. Reported-by: Henrique Figueira <henrislip@gmail.com> Reported-by: https://github.com/linux-can/can-utils/issues/228 Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200807105200.26441-5-o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14can: j1939: socket: j1939_sk_bind(): make sure ml_priv is allocatedOleksij Rempel1-0/+8
This patch adds check to ensure that the struct net_device::ml_priv is allocated, as it is used later by the j1939 stack. The allocation is done by all mainline CAN network drivers, but when using bond or team devices this is not the case. Bail out if no ml_priv is allocated. Reported-by: syzbot+f03d384f3455d28833eb@syzkaller.appspotmail.com Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Cc: linux-stable <stable@vger.kernel.org> # >= v5.4 Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200807105200.26441-4-o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14can: j1939: transport: j1939_session_tx_dat(): fix use-after-free read in ↵Oleksij Rempel1-0/+15
j1939_tp_txtimer() The current stack implementation do not support ECTS requests of not aligned TP sized blocks. If ECTS will request a block with size and offset spanning two TP blocks, this will cause memcpy() to read beyond the queued skb (which does only contain one TP sized block). Sometimes KASAN will detect this read if the memory region beyond the skb was previously allocated and freed. In other situations it will stay undetected. The ETP transfer in any case will be corrupted. This patch adds a sanity check to avoid this kind of read and abort the session with error J1939_XTP_ABORT_ECTS_TOO_BIG. Reported-by: syzbot+5322482fe520b02aea30@syzkaller.appspotmail.com Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Cc: linux-stable <stable@vger.kernel.org> # >= v5.4 Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200807105200.26441-3-o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14can: j1939: transport: j1939_simple_recv(): ignore local J1939 messages send ↵Oleksij Rempel2-0/+5
not by J1939 stack In current J1939 stack implementation, we process all locally send messages as own messages. Even if it was send by CAN_RAW socket. To reproduce it use following commands: testj1939 -P -r can0:0x80 & cansend can0 18238040#0123 This step will trigger false positive not critical warning: j1939_simple_recv: Received already invalidated message With this patch we add additional check to make sure, related skb is own echo message. Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200807105200.26441-2-o.rempel@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14can: j1939: fix kernel-infoleak in j1939_sk_sock2sockaddr_can()Eric Dumazet1-0/+5
syzbot found that at least 2 bytes of kernel information were leaked during getsockname() on AF_CAN CAN_J1939 socket. Since struct sockaddr_can has in fact two holes, simply clear the whole area before filling it with useful data. BUG: KMSAN: kernel-infoleak in kmsan_copy_to_user+0x81/0x90 mm/kmsan/kmsan_hooks.c:253 CPU: 0 PID: 8466 Comm: syz-executor511 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x21c/0x280 lib/dump_stack.c:118 kmsan_report+0xf7/0x1e0 mm/kmsan/kmsan_report.c:121 kmsan_internal_check_memory+0x238/0x3d0 mm/kmsan/kmsan.c:423 kmsan_copy_to_user+0x81/0x90 mm/kmsan/kmsan_hooks.c:253 instrument_copy_to_user include/linux/instrumented.h:91 [inline] _copy_to_user+0x18e/0x260 lib/usercopy.c:39 copy_to_user include/linux/uaccess.h:186 [inline] move_addr_to_user+0x3de/0x670 net/socket.c:237 __sys_getsockname+0x407/0x5e0 net/socket.c:1909 __do_sys_getsockname net/socket.c:1920 [inline] __se_sys_getsockname+0x91/0xb0 net/socket.c:1917 __x64_sys_getsockname+0x4a/0x70 net/socket.c:1917 do_syscall_64+0xad/0x160 arch/x86/entry/common.c:386 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x440219 Code: Bad RIP value. RSP: 002b:00007ffe5ee150c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000033 RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440219 RDX: 0000000020000240 RSI: 0000000020000100 RDI: 0000000000000003 RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401a20 R13: 0000000000401ab0 R14: 0000000000000000 R15: 0000000000000000 Local variable ----address@__sys_getsockname created at: __sys_getsockname+0x91/0x5e0 net/socket.c:1894 __sys_getsockname+0x91/0x5e0 net/socket.c:1894 Bytes 2-3 of 24 are uninitialized Memory access of size 24 starts at ffff8880ba2c7de8 Data copied to user address 0000000020000100 Fixes: 9d71dd0c7009 ("can: add support of SAE J1939 protocol") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: syzbot <syzkaller@googlegroups.com> Cc: Robin van der Gracht <robin@protonic.nl> Cc: Oleksij Rempel <o.rempel@pengutronix.de> Cc: Pengutronix Kernel Team <kernel@pengutronix.de> Cc: linux-can@vger.kernel.org Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Link: https://lore.kernel.org/r/20200813161834.4021638-1-edumazet@google.com Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2020-08-14kconfig: qconf: move setOptionMode() to ConfigList from ConfigViewMasahiro Yamada2-28/+27
ConfigView::setOptionMode() only gets access to the 'list' member. Move it to the more relevant ConfigList class. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: do not limit the pop-up menu to the first rowMasahiro Yamada1-34/+34
If you right-click the first row in the option tree, the pop-up menu shows up, but if you right-click the second row or below, the event is ignored due to the following check: if (e->y() <= header()->geometry().bottom()) { Perhaps, the intention was to show the pop-menu only when the tree header was right-clicked, but this handler is not called in that case. Since the origin of e->y() starts from the bottom of the header, this check is odd. Going forward, you can right-click anywhere in the tree to get the pop-up menu. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: refactor icon setupsMasahiro Yamada2-14/+27
These icon data are used by ConfigItem, but stored in each instance of ConfigView. There is no point to keep the same data in each of 3 instances, "menu", "config", and "search". Move the icon data to the more relevant ConfigItem class, and make them static members. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused voidPix, menuInvPixMasahiro Yamada2-2/+2
These are initialized, but not used by anyone. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ConfigItem::text/setTextMasahiro Yamada1-8/+0
Use QTreeWidgetItem::text/setText directly Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ConfigList::addColumn/removeColumnMasahiro Yamada2-19/+11
Use QTreeView::showColumn/hideColumn directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ConfigItem::pixmap/setPixmapMasahiro Yamada2-19/+11
Use QTreeWidgetItem::icon/setIcon directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: drop more localization codeMasahiro Yamada1-8/+3
This is a remnant of commit 694c49a7c01c ("kconfig: drop localization support"). Get it back to the code prior to commit 3b9fa0931dd8 ("[PATCH] Kconfig i18n support"). Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove 'parent' from ConfigList::updateMenuList()Masahiro Yamada2-10/+10
All the call-sites of this function pass 'this' to the first argument. So, 'parent' is always the 'this' pointer. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused argument from ConfigView::updateList()Masahiro Yamada2-5/+5
Now that ConfigList::updateList() takes no argument, the 'item' argument ConfigView::updateList() is no longer used. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused argument from ConfigList::updateList()Masahiro Yamada2-5/+5
This function allocates 'item' before using it, so the argument 'item' is always shadowed. Remove the meaningless argument. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: omit parent to QHBoxLayout()Masahiro Yamada1-1/+2
Instead of passing 0 (i.e. nullptr), leave it empty. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove name from ConfigSearchWindow constructorMasahiro Yamada2-24/+22
This constructor is only called with "search" as the second argument. Hard-code the name in the constructor, and drop it from the function argument. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove unused ConfigList::listView()Masahiro Yamada1-4/+0
I do not know how this function can be useful. In fact, it is unsed. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: overload addToolBar() to create and insert toolbarMasahiro Yamada1-3/+1
Use the overloaded function, addToolBar(const QString &title) to create a QToolBar object, setting its window title, and inserts it into the toolbar area. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove toolBar from ConfigMainWindow membersMasahiro Yamada2-2/+1
This pointer is only used in the ConfigMainWindow constructor. Drop it from the private members. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: use 'menu' variable for (QMenu *)Masahiro Yamada1-21/+20
The variable 'config' for the file menu is inconsistent. You do not need to use different variables. Use 'menu' for every menu. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: do not use 'menu' variable for (QMenuBar *)Masahiro Yamada1-6/+5
I think it is a bit confusing to use 'menu' to hold a QMenuBar pointer. I want to use 'menu' for a QMenu pointer. You do not need to use a local variable here. Use menuBar() directly. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: remove ->addSeparator() to menuBarMasahiro Yamada1-1/+0
I do not understand the purpose of this ->addSeparator(). It does not make any difference. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: add 'static' to some file-local dataMasahiro Yamada2-5/+11
Fix some warnings from sparce like follows: warning: symbol '...' was not declared. Should it be static? Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: qconf: Fix mouse events in search viewMaxime Chretien1-2/+3
On menu properties mouse events didn't do anything in search view (listMode). As there are no menus in listMode we can add an exception in tests to always change the value on mouse events if we are in listMode. Signed-off-by: Maxime Chretien <maxime.chretien@bootlin.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: constify XPM dataMasahiro Yamada2-30/+30
Constify arrays as well as strings. Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14Revert "checkpatch: kconfig: prefer 'help' over '---help---'"Masahiro Yamada1-5/+1
This reverts commit 84af7a6194e493fae312a2b7fa5a3b51f76d9282. The conversion is done. Cc: Ulf Magnusson <ulfalizer@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
2020-08-14kconfig: remove '---help---' supportMasahiro Yamada2-2/+2
The conversion is done. No more user of '---help---'. Cc: Ulf Magnusson <ulfalizer@gmail.com> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
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