bridge0: received packet on veth1_to_bridge with own address as source address (addr:5a:4c:f2:eb:1f:a3, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)
bridge0: received packet on veth1_to_bridge with own address as source address (addr:5a:4c:f2:eb:1f:a3, vlan:0)
bridge0: received packet on bridge_slave_1 with own address as source address (addr:aa:aa:aa:aa:aa:1c, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6673/1:b..l P6193/1:b..l P5609/1:b..l P6619/1:b..l P39/1:b..l
rcu: (detected by 0, t=10502 jiffies, g=25181, q=1707 ncpus=1)
task:kworker/u8:2 state:R running task stack:25448 pid:39 tgid:39 ppid:2 task_flags:0x4248060 flags:0x00080000
Workqueue: writeback wb_workfn (flush-8:0)
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x1259/0x6920 kernel/sched/core.c:7284
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7606
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0xa10 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lockdep_enabled kernel/locking/lockdep.c:124 [inline]
RIP: 0010:lock_release+0x73/0x310 kernel/locking/lockdep.c:5956
Code: 11 5e 0f 85 ff 0f 84 4a 01 00 00 65 8b 05 bd dc a5 12 85 c0 0f 85 3b 01 00 00 65 4c 8b 25 ed 95 a5 12 41 8b b4 24 a4 0b 00 00 <85> f6 0f 85 23 01 00 00 48 81 3b 40 d9 91 94 0f 84 16 01 00 00 9c
RSP: 0018:ffffc90000af6c38 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff8edec5a0 RCX: ffffffff92002701
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffffffff81b9b54e R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 000000000001f349 R12: ffff888021a82580
R13: ffffc90000af6cf0 R14: ffffc90000af7140 R15: ffffc90000af6d24
rcu_lock_release include/linux/rcupdate.h:319 [inline]
rcu_read_unlock include/linux/rcupdate.h:880 [inline]
class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0x3c3/0x2090 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x162/0x1e0 mm/page_owner.c:183
__reset_page_owner+0x84/0x190 mm/page_owner.c:338
reset_page_owner include/linux/page_owner.h:26 [inline]
__free_pages_prepare mm/page_alloc.c:1418 [inline]
__free_frozen_pages+0x79f/0x10f0 mm/page_alloc.c:2962
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5010
new_handle fs/jbd2/transaction.c:457 [inline]
jbd2__journal_start+0x24a/0x6b0 fs/jbd2/transaction.c:491
__ext4_journal_start_sb+0x314/0x610 fs/ext4/ext4_jbd2.c:122
__ext4_journal_start fs/ext4/ext4_jbd2.h:238 [inline]
ext4_do_writepages+0xbe4/0x3e80 fs/ext4/inode.c:2920
ext4_writepages+0x34a/0x750 fs/ext4/inode.c:3032
do_writepages+0x278/0x600 mm/page-writeback.c:2560
__writeback_single_inode+0x164/0x1560 fs/fs-writeback.c:1803
writeback_sb_inodes+0x766/0x1c50 fs/fs-writeback.c:2114
__writeback_inodes_wb+0xf8/0x2d0 fs/fs-writeback.c:2190
wb_writeback+0x6f6/0xb50 fs/fs-writeback.c:2301
wb_check_old_data_flush fs/fs-writeback.c:2405 [inline]
wb_do_writeback fs/fs-writeback.c:2484 [inline]
wb_workfn+0x93f/0xc80 fs/fs-writeback.c:2512
process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
process_scheduled_works kernel/workqueue.c:3479 [inline]
worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560
kthread+0x373/0x450 kernel/kthread.c:436
ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
task:syz.3.207 state:R running task stack:25640 pid:6619 tgid:6605 ppid:5609 task_flags:0x400140 flags:0x00080002
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x1259/0x6920 kernel/sched/core.c:7284
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7606
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0xa10 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:variable_test_bit arch/x86/include/asm/bitops.h:222 [inline]
RIP: 0010:arch_test_bit arch/x86/include/asm/bitops.h:233 [inline]
RIP: 0010:_test_bit include/asm-generic/bitops/instrumented-non-atomic.h:142 [inline]
RIP: 0010:cpumask_test_cpu include/linux/cpumask.h:650 [inline]
RIP: 0010:cpu_online include/linux/cpumask.h:1232 [inline]
RIP: 0010:trace_lock_acquire include/trace/events/lock.h:23 [inline]
RIP: 0010:lock_acquire+0x42/0x380 kernel/locking/lockdep.c:5905
Code: fd 53 89 d3 48 83 ec 38 65 4c 8b 3d b0 9b a5 12 4c 89 7c 24 30 4d 89 cf 66 90 65 8b 05 cf 9b a5 12 83 f8 07 0f 87 da 00 00 00 <48> 0f a3 05 de e5 5d 0f 0f 82 c9 02 00 00 8b 35 7e 17 5e 0f 85 f6
RSP: 0018:ffffc90006acecc0 EFLAGS: 00000297
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000002
RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff8edec5a0
RBP: ffffffff8edec5a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000200 R11: 0000000000018a67 R12: 0000000000000002
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
unwind_next_frame+0xd1/0x2090 arch/x86/kernel/unwind_orc.c:495
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
save_stack+0x162/0x1e0 mm/page_owner.c:183
__set_page_owner+0x8c/0x540 mm/page_owner.c:359
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1871
prep_new_page mm/page_alloc.c:1879 [inline]
get_page_from_freelist+0x110d/0x35d0 mm/page_alloc.c:3943
__alloc_frozen_pages_noprof+0x2eb/0x3300 mm/page_alloc.c:5436
__alloc_pages_noprof mm/page_alloc.c:5471 [inline]
alloc_pages_bulk_noprof+0x5e1/0x13c0 mm/page_alloc.c:5295
___alloc_pages_bulk mm/kasan/shadow.c:345 [inline]
__kasan_populate_vmalloc_do mm/kasan/shadow.c:370 [inline]
__kasan_populate_vmalloc+0xf0/0x210 mm/kasan/shadow.c:424
kasan_populate_vmalloc include/linux/kasan.h:580 [inline]
alloc_vmap_area+0x95d/0x2bb0 mm/vmalloc.c:2145
__get_vm_area_node+0x1ed/0x350 mm/vmalloc.c:3248
__vmalloc_node_range_noprof+0x268/0x1420 mm/vmalloc.c:4064
__kvmalloc_node_noprof+0x3da/0x9b0 mm/slub.c:7042
io_pin_pages+0xc3/0x1d0 io_uring/memmap.c:74
io_sqe_buffer_register+0x1d9/0x1500 io_uring/rsrc.c:884
io_sqe_buffers_register.cold+0x346/0x4c3 io_uring/rsrc.c:995
__io_uring_register io_uring/register.c:778 [inline]
__do_sys_io_uring_register+0x13ce/0x1bc0 io_uring/register.c:1040
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1394f9e159
RSP: 002b:00007f1395eff028 EFLAGS: 00000246 ORIG_RAX: 00000000000001ab
RAX: ffffffffffffffda RBX: 00007f1395226090 RCX: 00007f1394f9e159
RDX: 00002000000002c0 RSI: 0000000000000000 RDI: 0000000000000007
RBP: 00007f139503506b R08: 0000000000000000 R09: 0000000000000000
R10: 100000000000011a R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1395226128 R14: 00007f1395226090 R15: 00007fffddfced58
task:syz-executor state:R running task stack:23560 pid:5609 tgid:5609 ppid:1 task_flags:0x40054c flags:0x00080003
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x1259/0x6920 kernel/sched/core.c:7284
preempt_schedule_common+0x3c/0xb0 kernel/sched/core.c:7463
preempt_schedule_thunk+0x16/0x40 arch/x86/entry/thunk.S:12
__raw_read_unlock include/linux/rwlock_api_smp.h:256 [inline]
_raw_read_unlock+0x3e/0x50 kernel/locking/spinlock.c:295
zap_pid_ns_processes+0x259/0x6a0 kernel/pid_namespace.c:233
find_child_reaper kernel/exit.c:634 [inline]
forget_original_parent kernel/exit.c:718 [inline]
exit_notify kernel/exit.c:755 [inline]
do_exit+0x2300/0x2a50 kernel/exit.c:998
do_group_exit+0xd5/0x2a0 kernel/exit.c:1129
get_signal+0x1ec7/0x21e0 kernel/signal.c:3112
arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x139/0x700 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
do_syscall_64+0x661/0x790 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1394f5e98e
RSP: 002b:00007fffddfcf058 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
RAX: fffffffffffffe00 RBX: 000055558e75d500 RCX: 00007f1394f5e98e
RDX: 0000000040000000 RSI: 00007fffddfcf0fc RDI: ffffffffffffffff
RBP: 00007fffddfcf0fc R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000028
R13: 000055558e770a10 R14: 000000000002e5f9 R15: 00007fffddfcf150
task:udevd state:R running task stack:26104 pid:6193 tgid:6193 ppid:4969 task_flags:0x40014c flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x1259/0x6920 kernel/sched/core.c:7284
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7606
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0xa10 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline]
RIP: 0010:stack_access_ok+0x53/0x1d0 arch/x86/kernel/unwind_orc.c:409
Code: c0 74 08 3c 03 0f 8e 3f 01 00 00 8b 13 85 d2 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 24 01 00 00 48 8d 7b 10 4c 8b 6b 08 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc900045d7690 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc900045d7730 RCX: ffffffff91e8b698
RDX: 1ffff920008baee7 RSI: ffffc900045d7de0 RDI: ffffc900045d7738
RBP: ffffc900045d7de0 R08: ffffffff91e8b69c R09: 0000000000000007
R10: 0000000000000200 R11: 000000000000c782 R12: 0000000000000008
R13: ffffc900045d7730 R14: ffffc900045d7de8 R15: ffffc900045d7764
deref_stack_reg arch/x86/kernel/unwind_orc.c:419 [inline]
unwind_next_frame+0xcf5/0x2090 arch/x86/kernel/unwind_orc.c:614
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_record_aux_stack+0xa7/0xc0 mm/kasan/generic.c:556
slab_free_hook mm/slub.c:2709 [inline]
slab_free mm/slub.c:6508 [inline]
kmem_cache_free+0x424/0x6c0 mm/slub.c:6635
tear_down_vmas+0x2a5/0x610 mm/mmap.c:1277
exit_mmap+0x469/0xa00 mm/mmap.c:1335
__mmput+0x12a/0x410 kernel/fork.c:1193
mmput+0x67/0x80 kernel/fork.c:1216
exit_mm kernel/exit.c:592 [inline]
do_exit+0x83b/0x2a50 kernel/exit.c:974
do_group_exit+0xd5/0x2a0 kernel/exit.c:1129
__do_sys_exit_group kernel/exit.c:1140 [inline]
__se_sys_exit_group kernel/exit.c:1138 [inline]
__x64_sys_exit_group+0x3e/0x50 kernel/exit.c:1138
x64_sys_call+0x1567/0x1570 arch/x86/include/generated/asm/syscalls_64.h:232
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa40f0f16c5
RSP: 002b:00007ffdea787978 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 000055d909f4a500 RCX: 00007fa40f0f16c5
RDX: 00000000000000e7 RSI: fffffffffffffe68 RDI: 0000000000000000
RBP: 000055d909cfa2c0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffdea7879c0 R14: 0000000000000000 R15: 0000000000000000
task:syz.2.218 state:R running task stack:27160 pid:6673 tgid:6669 ppid:5606 task_flags:0x40044c flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x1259/0x6920 kernel/sched/core.c:7284
preempt_schedule_irq+0x4e/0x90 kernel/sched/core.c:7606
irqentry_exit_to_kernel_mode_preempt include/linux/irq-entry-common.h:468 [inline]
irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
irqentry_exit+0x205/0xa10 kernel/entry/common.c:167
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:56 [inline]
RIP: 0010:unwind_next_frame+0x16c7/0x2090 arch/x86/kernel/unwind_orc.c:694
Code: 00 0f 85 c1 07 00 00 49 8d 7d 10 49 8b 6d 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 94 07 00 00 <49> 8b 45 10 48 39 dd 0f 87 f5 f8 ff ff 48 39 d8 0f 86 ec f8 ff ff
RSP: 0018:ffffc90004db7468 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc90004db7dc0 RCX: ffffffff91e94806
RDX: 1ffff920009b6e9d RSI: ffffc90004db7d90 RDI: ffffc90004db74e8
RBP: ffffc90004db0000 R08: 0000000000000001 R09: 0000000000000007
R10: 0000000000000200 R11: 000000000000cd5e R12: ffffc90004db7528
R13: ffffc90004db74d8 R14: ffffc90004db7dc0 R15: ffffc90004db750c
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_record_aux_stack+0xa7/0xc0 mm/kasan/generic.c:556
slab_free_hook mm/slub.c:2709 [inline]
slab_free mm/slub.c:6508 [inline]
kmem_cache_free+0x424/0x6c0 mm/slub.c:6635
tear_down_vmas+0x2a5/0x610 mm/mmap.c:1277
exit_mmap+0x469/0xa00 mm/mmap.c:1335
__mmput+0x12a/0x410 kernel/fork.c:1193
mmput+0x67/0x80 kernel/fork.c:1216
exit_mm kernel/exit.c:592 [inline]
do_exit+0x83b/0x2a50 kernel/exit.c:974
do_group_exit+0xd5/0x2a0 kernel/exit.c:1129
get_signal+0x1ec7/0x21e0 kernel/signal.c:3112
arch_do_signal_or_restart+0x91/0x7e0 arch/x86/kernel/signal.c:337
__exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
exit_to_user_mode_loop+0x139/0x700 kernel/entry/common.c:101
__exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
do_syscall_64+0x661/0x790 arch/x86/entry/syscall_64.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9cf159e159
RSP: 002b:00007f9cf24c40e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f9cf1825fa8 RCX: 00007f9cf159e159
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f9cf1825fa8
RBP: 00007f9cf1825fa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9cf1826038 R14: 00007fff17f74d60 R15: 00007fff17f74e48
rcu: rcu_preempt kthread starved for 764 jiffies! g25181 f0x0 RCU_GP_WAIT_FQS(5) ->state=R ->cpu=0
rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt state:R running task stack:27560 pid:17 tgid:17 ppid:2 task_flags:0x208040 flags:0x00080000
Call Trace:
context_switch kernel/sched/core.c:5533 [inline]
__schedule+0x1259/0x6920 kernel/sched/core.c:7284
__schedule_loop kernel/sched/core.c:7361 [inline]
schedule+0xdd/0x2c0 kernel/sched/core.c:7376
schedule_timeout+0x127/0x280 kernel/time/sleep_timeout.c:99
rcu_gp_fqs_loop+0x1a9/0x8f0 kernel/rcu/tree.c:2122
rcu_gp_kthread+0x17a/0x220 kernel/rcu/tree.c:2330
kthread+0x373/0x450 kernel/kthread.c:436
ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 3222 Comm: kworker/R-bat_e Tainted: G L syzkaller #0 PREEMPT(full)
Tainted: [L]=SOFTLOCKUP
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Workqueue: bat_events batadv_tt_purge
RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline]
RIP: 0010:stack_access_ok+0x53/0x1d0 arch/x86/kernel/unwind_orc.c:409
Code: c0 74 08 3c 03 0f 8e 3f 01 00 00 8b 13 85 d2 74 65 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 24 01 00 00 48 8d 7b 10 4c 8b 6b 08 48 b8 00 00 00 00 00 fc
RSP: 0018:ffffc90000007208 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffc900000072a8 RCX: ffffffff927df428
RDX: 1ffff92000000e56 RSI: ffffc90000007d20 RDI: ffffc900000072b0
RBP: ffffc90000007d20 R08: ffffffff927df42c R09: 0000000000000007
R10: 0000000000000200 R11: 000000000008a167 R12: 0000000000000008
R13: ffffc900000072a8 R14: ffffc90000007d28 R15: ffffc900000072dc
FS: 0000000000000000(0000) GS:ffff888123b4f000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc02610fe8 CR3: 00000000760fe000 CR4: 00000000003526f0
Call Trace:
deref_stack_reg arch/x86/kernel/unwind_orc.c:419 [inline]
unwind_next_frame+0xcf5/0x2090 arch/x86/kernel/unwind_orc.c:614
arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122
kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
kasan_save_track+0x14/0x30 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:340 [inline]
__kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5010
__skb_ext_alloc+0x1a/0x80 net/core/skbuff.c:7152
skb_ext_add+0x40b/0x810 net/core/skbuff.c:7256
nf_bridge_alloc include/net/netfilter/br_netfilter.h:12 [inline]
br_nf_pre_routing_ipv6+0xc7/0x8b0 net/bridge/br_netfilter_ipv6.c:171
br_nf_pre_routing+0x90f/0x1560 net/bridge/br_netfilter_hooks.c:513
nf_hook_entry_hookfn include/linux/netfilter.h:165 [inline]
nf_hook_bridge_pre net/bridge/br_input.c:291 [inline]
br_handle_frame+0xd59/0x1670 net/bridge/br_input.c:451
__netif_receive_skb_core.constprop.0+0x6c5/0x3530 net/core/dev.c:6152
__netif_receive_skb_one_core+0xb0/0x1e0 net/core/dev.c:6263
__netif_receive_skb+0x1f/0x120 net/core/dev.c:6378
process_backlog+0x487/0x1600 net/core/dev.c:6729
__napi_poll.constprop.0+0xaf/0x450 net/core/dev.c:7798
napi_poll net/core/dev.c:7861 [inline]
net_rx_action+0xa40/0xf20 net/core/dev.c:8018
handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
do_softirq kernel/softirq.c:546 [inline]
do_softirq+0xaf/0xf0 kernel/softirq.c:533
__local_bh_enable_ip+0xff/0x120 kernel/softirq.c:473
spin_unlock_bh include/linux/spinlock.h:407 [inline]
batadv_tt_local_purge+0x21c/0x3d0 net/batman-adv/translation-table.c:1402
batadv_tt_purge+0x8b/0xbd0 net/batman-adv/translation-table.c:3753
process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396
process_scheduled_works kernel/workqueue.c:3479 [inline]
rescuer_thread+0x918/0x14e0 kernel/workqueue.c:3703
kthread+0x373/0x450 kernel/kthread.c:436
ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245