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git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
Pull LoongArch updates from Huacai Chen:
- Optimise getcpu() with vDSO
- PCI enablement on top of pci & irqchip changes
- Stack unwinder and stack trace support
- Some bug fixes and build error fixes
- Update the default config file
* tag 'loongarch-5.20' of git://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson:
docs/zh_CN/LoongArch: Add I14 description
docs/LoongArch: Add I14 description
LoongArch: Update Loongson-3 default config file
LoongArch: Add USER_STACKTRACE support
LoongArch: Add STACKTRACE support
LoongArch: Add prologue unwinder support
LoongArch: Add guess unwinder support
LoongArch: Add vDSO syscall __vdso_getcpu()
LoongArch: Add PCI controller support
LoongArch: Parse MADT to get multi-processor information
LoongArch: Jump to the link address before enable PG
LoongArch: Requires __force attributes for any casts
LoongArch: Fix unsigned comparison with less than zero
LoongArch: Adjust arch/loongarch/Kconfig
LoongArch: cpuinfo: Fix a warning for CONFIG_CPUMASK_OFFSTACK
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git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply
Pull power supply and reset updates from Sebastian Reichel:
"No core patches, only driver updates:
- pwr-mlxbf: new reset driver for Mellanox BlueField
- at91-reset: SAMA7G5 support
- ab8500: continue refurbishing
- misc minor fixes"
* tag 'for-v6.0' of git://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-power-supply: (29 commits)
power: supply: olpc_battery: Hold the reference returned by of_find_compatible_node
power: supply: ab8500: add missing destroy_workqueue in ab8500_charger_bind
power: supply: ab8500: Remove flush_scheduled_work() call.
power: supply: ab8500_fg: drop duplicated 'is' in comment
power: supply: ab8500: Drop external charger leftovers
power: supply: ab8500: Add MAINTAINERS entry
dt-bindings: power: reset: qcom,pshold: convert to dtschema
power: supply: Fix typo in power_supply_check_supplies
power: reset: pwr-mlxbf: change rst_pwr_hid and low_pwr_hid from global to local variables
power: reset: pwr-mlxbf: add missing include
power: reset: at91-reset: add support for SAMA7G5
power: reset: at91-reset: add reset_controller_dev support
power: reset: at91-reset: add at91_reset_data
power: reset: at91-reset: document structures and enums
dt-bindings: reset: add sama7g5 definitions
dt-bindings: reset: atmel,at91sam9260-reset: add sama7g5 bindings
dt-bindings: reset: convert Atmel/Microchip reset controller to YAML
power: reset: pwr-mlxbf: add BlueField SoC power control driver
power: supply: ab8500: Exit maintenance if too low voltage
power: supply: ab8500: Respect charge_restart_voltage_uv
...
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Pull another VFIO update from Alex Williamson:
- Rename vfio source file to more easily allow additional source
files in the upcoming development cycles (Jason Gunthorpe)
* tag 'vfio-v6.0-rc1pt2' of https://github.com/awilliam/linux-vfio:
vfio: Move vfio.c to vfio_main.c
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Commit 36d4b36b6959 ("lib/nodemask: inline next_node_in() and
node_random()") removed the lib/nodemask.c file, but the remove didn't
happen when the patch was applied.
Reported-by: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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I14 is also a kind of immediate operand in instruction, like I8/I12/I16/
I21/I26, add it in the Chinese documentation.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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I14 is also a kind of immediate operand in instruction, like I8/I12/I16/
I21/I26, add it in the English documentation.
Signed-off-by: Tiezhu Yang <yangtiezhu@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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1, Add NVME related options;
2, Add compressed firmware support;
3, Add virtio drivers in order to run in qemu.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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To get the best stacktrace output, you can compile your userspace
programs with frame pointers (at least glibc + the app you are tracing).
1, export "CC = gcc -fno-omit-frame-pointer";
2, compile your programs with "CC";
3, use uprobe to get stacktrace output.
...
echo 'p:malloc /usr/lib64/libc.so.6:0x0a4704 size=%r4:u64' > uprobe_events
echo 'p:free /usr/lib64/libc.so.6:0x0a4d50 ptr=%r4:x64' >> uprobe_events
echo 'comm == "demo"' > ./events/uprobes/malloc/filter
echo 'comm == "demo"' > ./events/uprobes/free/filter
echo 1 > ./options/userstacktrace
echo 1 > ./options/sym-userobj
...
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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1. Use common arch_stack_walk() infrastructure to avoid duplicated code
and avoid taking care of the stack storage and filtering.
2. Add sched_ra (means sched return address) and sched_cfa (means sched
call frame address) to thread_info, and store them in switch_to().
3. Add __get_wchan() implementation.
Now we can print the process stack and wait channel by cat /proc/*/stack
and /proc/*/wchan.
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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It unwind the stack frame based on prologue code analyze.
CONFIG_KALLSYMS is needed, at least the address and length
of each function.
Three stages when we do unwind,
1) unwind_start(), the prapare of unwinding, fill unwind_state.
2) unwind_done(), judge whether the unwind process is finished or not.
3) unwind_next_frame(), unwind the next frame.
Dividing unwinder helps to add new unwinders in the future, e.g.:
unwinder_frame, unwinder_orc, .etc.
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Name "guess unwinder" comes from x86, it scans the stack and reports
every kernel text address it finds.
Unwinders can be used by dump_stack() and other stacktrace functions.
Three stages when we do unwind,
1) unwind_start(), the prapare of unwinding, fill unwind_state.
2) unwind_done(), judge whether the unwind process is finished or not.
3) unwind_next_frame(), unwind the next frame.
Add get_stack_info() to get stack info. At present we have irq stack and
task stack. The next_sp is the key info between two types of stacks.
Dividing unwinder helps to add new unwinders in the future.
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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We test 20 million times of getcpu(), the real syscall version take 25
seconds, while the vsyscall version take only 2.4 seconds.
Signed-off-by: Rui Wang <wangrui@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Loongson64 based systems are PC-like systems which use PCI/PCIe as its
I/O bus, This patch adds the PCI host controller support for LoongArch.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Jianmin Lv <lvjianmin@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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Parse MADT to get multi-processor information, in order to fix the boot
problem and cpu-hotplug problem for SMP platform.
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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The kernel entry points of both boot CPU (i.e., kernel_entry) and non-
boot CPUs (i.e., smpboot_entry) may be physical address from BootLoader
(in DA mode or identity-mapping PG mode). So we should jump to the link
address before PG enabled (because DA is disabled at the same time) and
just after DMW configured.
Specifically: With some older firmwares, non-boot CPUs started with PG
enabled, but this need firmware cooperation in the form of a temporary
page table, which is deemed unnecessary. OTOH, latest firmware versions
configure the non-boot CPUs to start in DA mode, so kernel-side changes
are needed.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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This fix a warning when "make C=2":
arch/loongarch/kernel/ptrace.c: note: in included file (through include/linux/uaccess.h, include/linux/sched/task.h, include/linux/sched/signal.h, include/linux/ptrace.h, include/linux/audit.h):
./arch/loongarch/include/asm/uaccess.h:232:32: warning: incorrect type in argument 2 (different address spaces)
./arch/loongarch/include/asm/uaccess.h:232:32: expected void const *from
./arch/loongarch/include/asm/uaccess.h:232:32: got void const [noderef] __user *from
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Qing Zhang <zhangqing@loongson.cn>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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The return value from the call to get_timer_irq() is int, which can be
a negative error code. However, the return value is being assigned to an
unsigned int variable 'irq', so making 'irq' an int.
Eliminate the following coccicheck warning:
./arch/loongarch/kernel/time.c:146:5-8: WARNING: Unsigned expression compared with zero: irq < 0
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Yang Li <yang.lee@linux.alibaba.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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1, ACPI, EFI and SMP are mandatories for LoongArch, select them
unconditionally to avoid various build errors for 'make randconfig'.
2, Move the MMU_GATHER_MERGE_VMAS selection to the correct place.
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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When CONFIG_CPUMASK_OFFSTACK and CONFIG_DEBUG_PER_CPU_MAPS is selected,
cpu_max_bits_warn() generates a runtime warning similar as below while
we show /proc/cpuinfo. Fix this by using nr_cpu_ids (the runtime limit)
instead of NR_CPUS to iterate CPUs.
[ 3.052463] ------------[ cut here ]------------
[ 3.059679] WARNING: CPU: 3 PID: 1 at include/linux/cpumask.h:108 show_cpuinfo+0x5e8/0x5f0
[ 3.070072] Modules linked in: efivarfs autofs4
[ 3.076257] CPU: 0 PID: 1 Comm: systemd Not tainted 5.19-rc5+ #1052
[ 3.084034] Hardware name: Loongson Loongson-3A5000-7A1000-1w-V0.1-CRB/Loongson-LS3A5000-7A1000-1w-EVB-V1.21, BIOS Loongson-UDK2018-V2.0.04082-beta7 04/27
[ 3.099465] Stack : 9000000100157b08 9000000000f18530 9000000000cf846c 9000000100154000
[ 3.109127] 9000000100157a50 0000000000000000 9000000100157a58 9000000000ef7430
[ 3.118774] 90000001001578e8 0000000000000040 0000000000000020 ffffffffffffffff
[ 3.128412] 0000000000aaaaaa 1ab25f00eec96a37 900000010021de80 900000000101c890
[ 3.138056] 0000000000000000 0000000000000000 0000000000000000 0000000000aaaaaa
[ 3.147711] ffff8000339dc220 0000000000000001 0000000006ab4000 0000000000000000
[ 3.157364] 900000000101c998 0000000000000004 9000000000ef7430 0000000000000000
[ 3.167012] 0000000000000009 000000000000006c 0000000000000000 0000000000000000
[ 3.176641] 9000000000d3de08 9000000001639390 90000000002086d8 00007ffff0080286
[ 3.186260] 00000000000000b0 0000000000000004 0000000000000000 0000000000071c1c
[ 3.195868] ...
[ 3.199917] Call Trace:
[ 3.203941] [<90000000002086d8>] show_stack+0x38/0x14c
[ 3.210666] [<9000000000cf846c>] dump_stack_lvl+0x60/0x88
[ 3.217625] [<900000000023d268>] __warn+0xd0/0x100
[ 3.223958] [<9000000000cf3c90>] warn_slowpath_fmt+0x7c/0xcc
[ 3.231150] [<9000000000210220>] show_cpuinfo+0x5e8/0x5f0
[ 3.238080] [<90000000004f578c>] seq_read_iter+0x354/0x4b4
[ 3.245098] [<90000000004c2e90>] new_sync_read+0x17c/0x1c4
[ 3.252114] [<90000000004c5174>] vfs_read+0x138/0x1d0
[ 3.258694] [<90000000004c55f8>] ksys_read+0x70/0x100
[ 3.265265] [<9000000000cfde9c>] do_syscall+0x7c/0x94
[ 3.271820] [<9000000000202fe4>] handle_syscall+0xc4/0x160
[ 3.281824] ---[ end trace 8b484262b4b8c24c ]---
Cc: stable@vger.kernel.org
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm
Pull device mapper fixes from Mike Snitzer:
- A few fixes for the DM verity and bufio changes in this merge window
- A smatch warning fix for DM writecache locking in writecache_map
* tag 'for-6.0/dm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
dm bufio: fix some cases where the code sleeps with spinlock held
dm writecache: fix smatch warning about invalid return from writecache_map
dm verity: fix verity_parse_opt_args parsing
dm verity: fix DM_VERITY_OPTS_MAX value yet again
dm bufio: simplify DM_BUFIO_CLIENT_NO_SLEEP locking
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Pull drm fixes from Dave Airlie:
"Not much to squeeze into rc1, just two small fixes, one for core gem
and one for shmem-helpers:
gem:
- Annotate WW context in error paths
shmem-helper:
- Add missing vunmap in error paths"
* tag 'drm-next-2022-08-12-1' of git://anongit.freedesktop.org/drm/drm:
drm/gem: Properly annotate WW context on drm_gem_lock_reservations() error
drm/shmem-helper: Add missing vunmap on error
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Pull networking fixes from Jakub Kicinski:
"Including fixes from bluetooth, bpf, can and netfilter.
A little larger than usual but it's all fixes, no late features. It's
large partially because of timing, and partially because of follow ups
to stuff that got merged a week or so before the merge window and
wasn't as widely tested. Maybe the Bluetooth fixes are a little
alarming so we'll address that, but the rest seems okay and not scary.
Notably we're including a fix for the netfilter Kconfig [1], your WiFi
warning [2] and a bluetooth fix which should unblock syzbot [3].
Current release - regressions:
- Bluetooth:
- don't try to cancel uninitialized works [3]
- L2CAP: fix use-after-free caused by l2cap_chan_put
- tls: rx: fix device offload after recent rework
- devlink: fix UAF on failed reload and leftover locks in mlxsw
Current release - new code bugs:
- netfilter:
- flowtable: fix incorrect Kconfig dependencies [1]
- nf_tables: fix crash when nf_trace is enabled
- bpf:
- use proper target btf when exporting attach_btf_obj_id
- arm64: fixes for bpf trampoline support
- Bluetooth:
- ISO: unlock on error path in iso_sock_setsockopt()
- ISO: fix info leak in iso_sock_getsockopt()
- ISO: fix iso_sock_getsockopt for BT_DEFER_SETUP
- ISO: fix memory corruption on iso_pinfo.base
- ISO: fix not using the correct QoS
- hci_conn: fix updating ISO QoS PHY
- phy: dp83867: fix get nvmem cell fail
Previous releases - regressions:
- wifi: cfg80211: fix validating BSS pointers in
__cfg80211_connect_result [2]
- atm: bring back zatm uAPI after ATM had been removed
- properly fix old bug making bonding ARP monitor mode not being able
to work with software devices with lockless Tx
- tap: fix null-deref on skb->dev in dev_parse_header_protocol
- revert "net: usb: ax88179_178a needs FLAG_SEND_ZLP" it helps some
devices and breaks others
- netfilter:
- nf_tables: many fixes rejecting cross-object linking which may
lead to UAFs
- nf_tables: fix null deref due to zeroed list head
- nf_tables: validate variable length element extension
- bgmac: fix a BUG triggered by wrong bytes_compl
- bcmgenet: indicate MAC is in charge of PHY PM
Previous releases - always broken:
- bpf:
- fix bad pointer deref in bpf_sys_bpf() injected via test infra
- disallow non-builtin bpf programs calling the prog_run command
- don't reinit map value in prealloc_lru_pop
- fix UAFs during the read of map iterator fd
- fix invalidity check for values in sk local storage map
- reject sleepable program for non-resched map iterator
- mptcp:
- move subflow cleanup in mptcp_destroy_common()
- do not queue data on closed subflows
- virtio_net: fix memory leak inside XDP_TX with mergeable
- vsock: fix memory leak when multiple threads try to connect()
- rework sk_user_data sharing to prevent psock leaks
- geneve: fix TOS inheriting for ipv4
- tunnels & drivers: do not use RT_TOS for IPv6 flowlabel
- phy: c45 baset1: do not skip aneg configuration if clock role is
not specified
- rose: avoid overflow when /proc displays timer information
- x25: fix call timeouts in blocking connects
- can: mcp251x: fix race condition on receive interrupt
- can: j1939:
- replace user-reachable WARN_ON_ONCE() with netdev_warn_once()
- fix memory leak of skbs in j1939_session_destroy()
Misc:
- docs: bpf: clarify that many things are not uAPI
- seg6: initialize induction variable to first valid array index (to
silence clang vs objtool warning)
- can: ems_usb: fix clang 14's -Wunaligned-access warning"
* tag 'net-6.0-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (117 commits)
net: atm: bring back zatm uAPI
dpaa2-eth: trace the allocated address instead of page struct
net: add missing kdoc for struct genl_multicast_group::flags
nfp: fix use-after-free in area_cache_get()
MAINTAINERS: use my korg address for mt7601u
mlxsw: minimal: Fix deadlock in ports creation
bonding: fix reference count leak in balance-alb mode
net: usb: qmi_wwan: Add support for Cinterion MV32
bpf: Shut up kern_sys_bpf warning.
net/tls: Use RCU API to access tls_ctx->netdev
tls: rx: device: don't try to copy too much on detach
tls: rx: device: bound the frag walk
net_sched: cls_route: remove from list when handle is 0
selftests: forwarding: Fix failing tests with old libnet
net: refactor bpf_sk_reuseport_detach()
net: fix refcount bug in sk_psock_get (2)
selftests/bpf: Ensure sleepable program is rejected by hash map iter
selftests/bpf: Add write tests for sk local storage map iterator
selftests/bpf: Add tests for reading a dangling map iter fd
bpf: Only allow sleepable program for resched-able iterator
...
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull more ACPI updates from Rafael Wysocki:
"These fix up direct references to the fwnode field in struct device
and extend ACPI device properties support.
Specifics:
- Replace direct references to the fwnode field in struct device with
dev_fwnode() and device_match_fwnode() (Andy Shevchenko)
- Make the ACPI code handling device properties support properties
with buffer values (Sakari Ailus)"
* tag 'acpi-5.20-rc1-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: property: Fix error handling in acpi_init_properties()
ACPI: VIOT: Do not dereference fwnode in struct device
ACPI: property: Read buffer properties as integers
ACPI: property: Add support for parsing buffer property UUID
ACPI: property: Unify integer value reading functions
ACPI: property: Switch node property referencing from ifs to a switch
ACPI: property: Move property ref argument parsing into a new function
ACPI: property: Use acpi_object_type consistently in property ref parsing
ACPI: property: Tie data nodes to acpi handles
ACPI: property: Return type of acpi_add_nondev_subnodes() should be bool
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Pull more iomap updates from Darrick Wong:
"In the past 10 days or so I've not heard any ZOMG STOP style
complaints about removing ->writepage support from gfs2 or zonefs, so
here's the pull request removing them (and the underlying fs iomap
support) from the kernel:
- Remove iomap_writepage and all callers, since the mm apparently
never called the zonefs or gfs2 writepage functions"
* tag 'iomap-6.0-merge-2' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
iomap: remove iomap_writepage
zonefs: remove ->writepage
gfs2: remove ->writepage
gfs2: stop using generic_writepages in gfs2_ail1_start_one
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git://anongit.freedesktop.org/drm/drm-misc into drm-next
Short summary of fixes pull:
* gem: Annotate WW context in error paths
* shmem-helper: Add missing vunmap in error paths
Signed-off-by: Dave Airlie <airlied@redhat.com>
From: Thomas Zimmermann <tzimmermann@suse.de>
Link: https://patchwork.freedesktop.org/patch/msgid/YvOLPpufsvOJHiNY@linux-uq9g
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Pull ceph updates from Ilya Dryomov:
"We have a good pile of various fixes and cleanups from Xiubo, Jeff,
Luis and others, almost exclusively in the filesystem.
Several patches touch files outside of our normal purview to set the
stage for bringing in Jeff's long awaited ceph+fscrypt series in the
near future. All of them have appropriate acks and sat in linux-next
for a while"
* tag 'ceph-for-5.20-rc1' of https://github.com/ceph/ceph-client: (27 commits)
libceph: clean up ceph_osdc_start_request prototype
libceph: fix ceph_pagelist_reserve() comment typo
ceph: remove useless check for the folio
ceph: don't truncate file in atomic_open
ceph: make f_bsize always equal to f_frsize
ceph: flush the dirty caps immediatelly when quota is approaching
libceph: print fsid and epoch with osd id
libceph: check pointer before assigned to "c->rules[]"
ceph: don't get the inline data for new creating files
ceph: update the auth cap when the async create req is forwarded
ceph: make change_auth_cap_ses a global symbol
ceph: fix incorrect old_size length in ceph_mds_request_args
ceph: switch back to testing for NULL folio->private in ceph_dirty_folio
ceph: call netfs_subreq_terminated with was_async == false
ceph: convert to generic_file_llseek
ceph: fix the incorrect comment for the ceph_mds_caps struct
ceph: don't leak snap_rwsem in handle_cap_grant
ceph: prevent a client from exceeding the MDS maximum xattr size
ceph: choose auth MDS for getxattr with the Xs caps
ceph: add session already open notify support
...
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Pull more kvm updates from Paolo Bonzini:
- Xen timer fixes
- Documentation formatting fixes
- Make rseq selftest compatible with glibc-2.35
- Fix handling of illegal LEA reg, reg
- Cleanup creation of debugfs entries
- Fix steal time cache handling bug
- Fixes for MMIO caching
- Optimize computation of number of LBRs
- Fix uninitialized field in guest_maxphyaddr < host_maxphyaddr path
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: (26 commits)
KVM: x86/MMU: properly format KVM_CAP_VM_DISABLE_NX_HUGE_PAGES capability table
Documentation: KVM: extend KVM_CAP_VM_DISABLE_NX_HUGE_PAGES heading underline
KVM: VMX: Adjust number of LBR records for PERF_CAPABILITIES at refresh
KVM: VMX: Use proper type-safe functions for vCPU => LBRs helpers
KVM: x86: Refresh PMU after writes to MSR_IA32_PERF_CAPABILITIES
KVM: selftests: Test all possible "invalid" PERF_CAPABILITIES.LBR_FMT vals
KVM: selftests: Use getcpu() instead of sched_getcpu() in rseq_test
KVM: selftests: Make rseq compatible with glibc-2.35
KVM: Actually create debugfs in kvm_create_vm()
KVM: Pass the name of the VM fd to kvm_create_vm_debugfs()
KVM: Get an fd before creating the VM
KVM: Shove vcpu stats_id init into kvm_vcpu_init()
KVM: Shove vm stats_id init into kvm_create_vm()
KVM: x86/mmu: Add sanity check that MMIO SPTE mask doesn't overlap gen
KVM: x86/mmu: rename trace function name for asynchronous page fault
KVM: x86/xen: Stop Xen timer before changing IRQ
KVM: x86/xen: Initialize Xen timer only once
KVM: SVM: Disable SEV-ES support if MMIO caching is disable
KVM: x86/mmu: Fully re-evaluate MMIO caching when SPTE masks change
KVM: x86: Tag kvm_mmu_x86_module_init() with __init
...
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Jiri reports that linux-atm does not build without this header.
Bring it back. It's completely dead code but we can't break
the build for user space :(
Reported-by: Jiri Slaby <jirislaby@kernel.org>
Fixes: 052e1f01bfae ("net: atm: remove support for ZeitNet ZN122x ATM devices")
Link: https://lore.kernel.org/all/8576aef3-37e4-8bae-bab5-08f82a78efd3@kernel.org/
Link: https://lore.kernel.org/r/20220810164547.484378-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We should trace the allocated address instead of page struct.
Fixes: 27c874867c4e ("dpaa2-eth: Use a single page per Rx buffer")
Signed-off-by: Chen Lin <chen.lin5@zte.com.cn>
Reviewed-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Link: https://lore.kernel.org/r/20220811151651.3327-1-chen45464546@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Merge changes adding support for device properties with buffer values
to the ACPI device properties handling code.
* acpi-properties:
ACPI: property: Fix error handling in acpi_init_properties()
ACPI: property: Read buffer properties as integers
ACPI: property: Add support for parsing buffer property UUID
ACPI: property: Unify integer value reading functions
ACPI: property: Switch node property referencing from ifs to a switch
ACPI: property: Move property ref argument parsing into a new function
ACPI: property: Use acpi_object_type consistently in property ref parsing
ACPI: property: Tie data nodes to acpi handles
ACPI: property: Return type of acpi_add_nondev_subnodes() should be bool
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Multicast group flags were added in commit 4d54cc32112d ("mptcp: avoid
lock_fast usage in accept path"), but it missed adding the kdoc.
Mention which flags go into that field, and do the same for
op structs.
Link: https://lore.kernel.org/r/20220809232012.403730-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input updates from Dmitry Torokhov:
- changes to input core to properly queue synthetic events (such as
autorepeat) and to release multitouch contacts when an input device
is inhibited or suspended
- reworked quirk handling in i8042 driver that consolidates multiple
DMI tables into one and adds several quirks for TUXEDO line of
laptops
- update to mt6779 keypad to better reflect organization of the
hardware
- changes to mtk-pmic-keys driver preparing it to handle more variants
- facelift of adp5588-keys driver
- improvements to iqs7222 driver
- adjustments to various DT binding documents for input devices
- other assorted driver fixes.
* tag 'input-for-v5.20-rc0' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: (54 commits)
Input: adc-joystick - fix ordering in adc_joystick_probe()
dt-bindings: input: ariel-pwrbutton: use spi-peripheral-props.yaml
Input: deactivate MT slots when inhibiting or suspending devices
Input: properly queue synthetic events
dt-bindings: input: iqs7222: Use central 'linux,code' definition
Input: i8042 - add dritek quirk for Acer Aspire One AO532
dt-bindings: input: gpio-keys: accept also interrupt-extended
dt-bindings: input: gpio-keys: reference input.yaml and document properties
dt-bindings: input: gpio-keys: enforce node names to match all properties
dt-bindings: input: Convert adc-keys to DT schema
dt-bindings: input: Centralize 'linux,input-type' definition
dt-bindings: input: Use common 'linux,keycodes' definition
dt-bindings: input: Centralize 'linux,code' definition
dt-bindings: input: Increase maximum keycode value to 0x2ff
Input: mt6779-keypad - implement row/column selection
Input: mt6779-keypad - match hardware matrix organization
Input: i8042 - add additional TUXEDO devices to i8042 quirk tables
Input: goodix - switch use of acpi_gpio_get_*_resource() APIs
Input: i8042 - add TUXEDO devices to i8042 quirk tables
Input: i8042 - add debug output for quirks
...
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area_cache_get() is used to distribute cache->area and set cache->id,
and if cache->id is not 0 and cache->area->kref refcount is 0, it will
release the cache->area by nfp_cpp_area_release(). area_cache_get()
set cache->id before cpp->op->area_init() and nfp_cpp_area_acquire().
But if area_init() or nfp_cpp_area_acquire() fails, the cache->id is
is already set but the refcount is not increased as expected. At this
time, calling the nfp_cpp_area_release() will cause use-after-free.
To avoid the use-after-free, set cache->id after area_init() and
nfp_cpp_area_acquire() complete successfully.
Note: This vulnerability is triggerable by providing emulated device
equipped with specified configuration.
BUG: KASAN: use-after-free in nfp6000_area_init (drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c:760)
Write of size 4 at addr ffff888005b7f4a0 by task swapper/0/1
Call Trace:
<TASK>
nfp6000_area_init (drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c:760)
area_cache_get.constprop.8 (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:884)
Allocated by task 1:
nfp_cpp_area_alloc_with_name (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:303)
nfp_cpp_area_cache_add (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:802)
nfp6000_init (drivers/net/ethernet/netronome/nfp/nfpcore/nfp6000_pcie.c:1230)
nfp_cpp_from_operations (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:1215)
nfp_pci_probe (drivers/net/ethernet/netronome/nfp/nfp_main.c:744)
Freed by task 1:
kfree (mm/slub.c:4562)
area_cache_get.constprop.8 (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:873)
nfp_cpp_read (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:924 drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c:973)
nfp_cpp_readl (drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cpplib.c:48)
Signed-off-by: Jialiang Wang <wangjialiang0806@163.com>
Reviewed-by: Yinjun Zhang <yinjun.zhang@corigine.com>
Acked-by: Simon Horman <simon.horman@corigine.com>
Link: https://lore.kernel.org/r/20220810073057.4032-1-wangjialiang0806@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Change my address for mt7601u to the main one.
Link: https://lore.kernel.org/r/20220809233843.408004-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Drop devl_lock() / devl_unlock() from ports creation and removal flows
since the devlink instance lock is now taken by mlxsw_core.
Fixes: 72a4c8c94efa ("mlxsw: convert driver to use unlocked devlink API during init/fini")
Signed-off-by: Vadim Pasternak <vadimp@nvidia.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Link: https://lore.kernel.org/r/f4afce5ab0318617f3866b85274be52542d59b32.1660211614.git.petrm@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Commit d5410ac7b0ba ("net:bonding:support balance-alb interface
with vlan to bridge") introduced a reference count leak by not releasing
the reference acquired by ip_dev_find(). Remedy this by insuring the
reference is released.
Fixes: d5410ac7b0ba ("net:bonding:support balance-alb interface with vlan to bridge")
Signed-off-by: Jay Vosburgh <jay.vosburgh@canonical.com>
Reviewed-by: Nikolay Aleksandrov <razor@blackwall.org>
Link: https://lore.kernel.org/r/26758.1660194413@famine
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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This reverts commit 258fafcd0683d9ccfa524129d489948ab3ddc24c.
The clang -Wformat warning is terminally broken, and the clang people
can't seem to get their act together.
This test program causes a warning with clang:
#include <stdio.h>
int main(int argc, char **argv)
{
printf("%hhu\n", 'a');
}
resulting in
t.c:5:19: warning: format specifies type 'unsigned char' but the argument has type 'int' [-Wformat]
printf("%hhu\n", 'a');
~~~~ ^~~
%d
and apparently clang people consider that a feature, because they don't
want to face the reality of how either C character constants, C
arithmetic, and C varargs functions work.
The rest of the world just shakes their head at that kind of
incompetence, and turns off -Wformat for clang again.
And no, the "you should use a pointless cast to shut this up" is not a
valid answer. That warning should not exist in the first place, or at
least be optinal with some "-Wformat-me-harder" kind of option.
[ Admittedly, there's also very little reason to *ever* use '%hh[ud]' in
C, but what little reason there is is entirely about 'I want to see
only the low 8 bits of the argument'. So I would suggest nobody ever
use that format in the first place, but if they do, the clang
behavious is simply always wrong. Because '%hhu' takes an 'int'. It's
that simple. ]
Reported-by: Sudip Mukherjee (Codethink) <sudipm.mukherjee@gmail.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Commit b32d45824aa7 ("dm bufio: Add DM_BUFIO_CLIENT_NO_SLEEP flag")
added a "NO_SLEEP" mode, it replaces a mutex with a spinlock, and it
is only usable when the device is in read-only mode (because the write
path may be sleeping while holding the dm_bufio_client lock).
However, there are still two points where the code could sleep even in
read-only mode. One is in __get_unclaimed_buffer -> __make_buffer_clean.
The other is in __try_evict_buffer -> __make_buffer_clean. These functions
will call __make_buffer_clean which sleeps if the buffer is being read.
Fix these cases so that if c->no_sleep is set __make_buffer_clean
will not be called and the buffer will be skipped instead.
Fixes: b32d45824aa7 ("dm bufio: Add DM_BUFIO_CLIENT_NO_SLEEP flag")
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@kernel.org>
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There are 2 models for MV32 serials. MV32-W-A is designed
based on Qualcomm SDX62 chip, and MV32-W-B is designed based
on Qualcomm SDX65 chip. So we use 2 different PID to separate it.
Test evidence as below:
T: Bus=03 Lev=01 Prnt=01 Port=02 Cnt=03 Dev#= 3 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1e2d ProdID=00f3 Rev=05.04
S: Manufacturer=Cinterion
S: Product=Cinterion PID 0x00F3 USB Mobile Broadband
S: SerialNumber=d7b4be8d
C: #Ifs= 4 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#=0x0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
I: If#=0x1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
I: If#=0x3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
T: Bus=03 Lev=01 Prnt=01 Port=02 Cnt=03 Dev#= 10 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1e2d ProdID=00f4 Rev=05.04
S: Manufacturer=Cinterion
S: Product=Cinterion PID 0x00F4 USB Mobile Broadband
S: SerialNumber=d095087d
C: #Ifs= 4 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#=0x0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=50 Driver=qmi_wwan
I: If#=0x1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
I: If#=0x2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=40 Driver=option
I: If#=0x3 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
Signed-off-by: Slark Xiao <slark_xiao@163.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Link: https://lore.kernel.org/r/20220810014521.9383-1-slark_xiao@163.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Pull in bpf to silence a false positive warning.
* git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf:
bpf: Shut up kern_sys_bpf warning.
Link: https://lore.kernel.org/r/CAADnVQK589CZN1Q9w8huJqkEyEed+ZMTWqcpA1Rm2CjN3a4XoQ@mail.gmail.com/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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LoongArch architecture changes for 5.20 depend on the irqchip and pci
changes to work, so merge them to create a base.
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Shut up this warning:
kernel/bpf/syscall.c:5089:5: warning: no previous prototype for function 'kern_sys_bpf' [-Wmissing-prototypes]
int kern_sys_bpf(int cmd, union bpf_attr *attr, unsigned int size)
Reported-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
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There is unexpected warning on KVM_CAP_VM_DISABLE_NX_HUGE_PAGES capability
table, which cause the table to be rendered as paragraph text instead.
The warning is due to missing colon at capability name and returns keyword,
as well as improper alignment on multi-line returns field.
Fix the warning by adding missing colons and aligning the field.
Link: https://lore.kernel.org/lkml/20220627181937.3be67263@canb.auug.org.au/
Fixes: 084cc29f8bbb03 ("KVM: x86/MMU: Allow NX huge pages to be disabled on a per-vm basis")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: David Matlack <dmatlack@google.com>
Cc: Ben Gardon <bgardon@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-next@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Message-Id: <20220627095151.19339-3-bagasdotme@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Extend heading underline for KVM_CAP_VM_DISABLE_NX_HUGE_PAGE to match
the heading text length.
Link: https://lore.kernel.org/lkml/20220627181937.3be67263@canb.auug.org.au/
Fixes: 084cc29f8bbb03 ("KVM: x86/MMU: Allow NX huge pages to be disabled on a per-vm basis")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: David Matlack <dmatlack@google.com>
Cc: Ben Gardon <bgardon@google.com>
Cc: Peter Xu <peterx@redhat.com>
Cc: kvm@vger.kernel.org
Cc: linux-next@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Bagas Sanjaya <bagasdotme@gmail.com>
Message-Id: <20220627095151.19339-2-bagasdotme@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Currently, tls_device_down synchronizes with tls_device_resync_rx using
RCU, however, the pointer to netdev is stored using WRITE_ONCE and
loaded using READ_ONCE.
Although such approach is technically correct (rcu_dereference is
essentially a READ_ONCE, and rcu_assign_pointer uses WRITE_ONCE to store
NULL), using special RCU helpers for pointers is more valid, as it
includes additional checks and might change the implementation
transparently to the callers.
Mark the netdev pointer as __rcu and use the correct RCU helpers to
access it. For non-concurrent access pass the right conditions that
guarantee safe access (locks taken, refcount value). Also use the
correct helper in mlx5e, where even READ_ONCE was missing.
The transition to RCU exposes existing issues, fixed by this commit:
1. bond_tls_device_xmit could read netdev twice, and it could become
NULL the second time, after the NULL check passed.
2. Drivers shouldn't stop processing the last packet if tls_device_down
just set netdev to NULL, before tls_dev_del was called. This prevents a
possible packet drop when transitioning to the fallback software mode.
Fixes: 89df6a810470 ("net/bonding: Implement TLS TX device offload")
Fixes: c55dcdd435aa ("net/tls: Fix use-after-free after the TLS device goes down and up")
Signed-off-by: Maxim Mikityanskiy <maximmi@nvidia.com>
Link: https://lore.kernel.org/r/20220810081602.1435800-1-maximmi@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Another device offload bug, we use the length of the output
skb as an indication of how much data to copy. But that skb
is sized to offset + record length, and we start from offset.
So we end up double-counting the offset which leads to
skb_copy_bits() returning -EFAULT.
Reported-by: Tariq Toukan <tariqt@nvidia.com>
Fixes: 84c61fe1a75b ("tls: rx: do not use the standard strparser")
Tested-by: Ran Rozenstein <ranro@nvidia.com>
Link: https://lore.kernel.org/r/20220809175544.354343-2-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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We can't do skb_walk_frags() on the input skbs, because
the input skbs is really just a pointer to the tcp read
queue. We need to bound the "is decrypted" check by the
amount of data in the message.
Note that the walk in tls_device_reencrypt() is after a
CoW so the skb there is safe to walk. Actually in the
current implementation it can't have frags at all, but
whatever, maybe one day it will.
Reported-by: Tariq Toukan <tariqt@nvidia.com>
Fixes: 84c61fe1a75b ("tls: rx: do not use the standard strparser")
Tested-by: Ran Rozenstein <ranro@nvidia.com>
Link: https://lore.kernel.org/r/20220809175544.354343-1-kuba@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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When a route filter is replaced and the old filter has a 0 handle, the old
one won't be removed from the hashtable, while it will still be freed.
The test was there since before commit 1109c00547fc ("net: sched: RCU
cls_route"), when a new filter was not allocated when there was an old one.
The old filter was reused and the reinserting would only be necessary if an
old filter was replaced. That was still wrong for the same case where the
old handle was 0.
Remove the old filter from the list independently from its handle value.
This fixes CVE-2022-2588, also reported as ZDI-CAN-17440.
Reported-by: Zhenpeng Lin <zplin@u.northwestern.edu>
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@canonical.com>
Reviewed-by: Kamal Mostafa <kamal@canonical.com>
Cc: <stable@vger.kernel.org>
Acked-by: Jamal Hadi Salim <jhs@mojatatu.com>
Link: https://lore.kernel.org/r/20220809170518.164662-1-cascardo@canonical.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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The custom multipath hash tests use mausezahn in order to test how
changes in various packet fields affect the packet distribution across
the available nexthops.
The tool uses the libnet library for various low-level packet
construction and injection. The library started using the
"SO_BINDTODEVICE" socket option for IPv6 sockets in version 1.1.6 and
for IPv4 sockets in version 1.2.
When the option is not set, packets are not routed according to the
table associated with the VRF master device and tests fail.
Fix this by prefixing the command with "ip vrf exec", which will cause
the route lookup to occur in the VRF routing table. This makes the tests
pass regardless of the libnet library version.
Fixes: 511e8db54036 ("selftests: forwarding: Add test for custom multipath hash")
Fixes: 185b0c190bb6 ("selftests: forwarding: Add test for custom multipath hash with IPv4 GRE")
Fixes: b7715acba4d3 ("selftests: forwarding: Add test for custom multipath hash with IPv6 GRE")
Reported-by: Ivan Vecera <ivecera@redhat.com>
Tested-by: Ivan Vecera <ivecera@redhat.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Amit Cohen <amcohen@nvidia.com>
Link: https://lore.kernel.org/r/20220809113320.751413-1-idosch@nvidia.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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Daniel Borkmann says:
====================
bpf 2022-08-10
We've added 23 non-merge commits during the last 7 day(s) which contain
a total of 19 files changed, 424 insertions(+), 35 deletions(-).
The main changes are:
1) Several fixes for BPF map iterator such as UAFs along with selftests, from Hou Tao.
2) Fix BPF syscall program's {copy,strncpy}_from_bpfptr() to not fault, from Jinghao Jia.
3) Reject BPF syscall programs calling BPF_PROG_RUN, from Alexei Starovoitov and YiFei Zhu.
4) Fix attach_btf_obj_id info to pick proper target BTF, from Stanislav Fomichev.
5) BPF design Q/A doc update to clarify what is not stable ABI, from Paul E. McKenney.
6) Fix BPF map's prealloc_lru_pop to not reinitialize, from Kumar Kartikeya Dwivedi.
7) Fix bpf_trampoline_put to avoid leaking ftrace hash, from Jiri Olsa.
8) Fix arm64 JIT to address sparse errors around BPF trampoline, from Xu Kuohai.
9) Fix arm64 JIT to use kvcalloc instead of kcalloc for internal program address
offset buffer, from Aijun Sun.
* https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf: (23 commits)
selftests/bpf: Ensure sleepable program is rejected by hash map iter
selftests/bpf: Add write tests for sk local storage map iterator
selftests/bpf: Add tests for reading a dangling map iter fd
bpf: Only allow sleepable program for resched-able iterator
bpf: Check the validity of max_rdwr_access for sock local storage map iterator
bpf: Acquire map uref in .init_seq_private for sock{map,hash} iterator
bpf: Acquire map uref in .init_seq_private for sock local storage map iterator
bpf: Acquire map uref in .init_seq_private for hash map iterator
bpf: Acquire map uref in .init_seq_private for array map iterator
bpf: Disallow bpf programs call prog_run command.
bpf, arm64: Fix bpf trampoline instruction endianness
selftests/bpf: Add test for prealloc_lru_pop bug
bpf: Don't reinit map value in prealloc_lru_pop
bpf: Allow calling bpf_prog_test kfuncs in tracing programs
bpf, arm64: Allocate program buffer using kvcalloc instead of kcalloc
selftests/bpf: Excercise bpf_obj_get_info_by_fd for bpf2bpf
bpf: Use proper target btf when exporting attach_btf_obj_id
mptcp, btf: Add struct mptcp_sock definition when CONFIG_MPTCP is disabled
bpf: Cleanup ftrace hash in bpf_trampoline_put
BPF: Fix potential bad pointer dereference in bpf_sys_bpf()
...
====================
Link: https://lore.kernel.org/r/20220810190624.10748-1-daniel@iogearbox.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
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