bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P2/1:b..l P5822/1:b..l
rcu: (detected by 1, t=10503 jiffies, g=46905, q=295 ncpus=2)
task:syz-executor state:R running task stack:20152 pid:5822 tgid:5822 ppid:5820 flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x184f/0x4c30 kernel/sched/core.c:6693
preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7015
irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5829
Code: 2b 00 74 08 4c 89 f7 e8 fa 5a 8e 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90004007800 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000800f0c RCX: b3280691bcc10b00
RDX: dffffc0000000000 RSI: ffffffff8c0adc40 RDI: ffffffff8c610a60
RBP: ffffc90004007948 R08: ffffffff942cd807 R09: 1ffffffff2859b00
R10: dffffc0000000000 R11: fffffbfff2859b01 R12: 1ffff92000800f08
R13: dffffc0000000000 R14: ffffc90004007860 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3d/0x2a0 mm/page_ext.c:525
__page_table_check_zero+0xb1/0x350 mm/page_table_check.c:148
page_table_check_free include/linux/page_table_check.h:41 [inline]
free_pages_prepare mm/page_alloc.c:1113 [inline]
free_unref_page+0xd0f/0xf20 mm/page_alloc.c:2642
discard_slab mm/slub.c:2677 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3145
put_cpu_partial+0x17c/0x250 mm/slub.c:3220
__slab_free+0x2ea/0x3d0 mm/slub.c:4449
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4085 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
alloc_empty_file+0x9e/0x1d0 fs/file_table.c:209
alloc_file fs/file_table.c:326 [inline]
alloc_file_pseudo+0x1da/0x290 fs/file_table.c:357
create_pipe_files+0x33e/0x700 fs/pipe.c:938
__do_pipe_flags+0x48/0x2d0 fs/pipe.c:973
do_pipe2+0xd4/0x310 fs/pipe.c:1024
__do_sys_pipe2 fs/pipe.c:1042 [inline]
__se_sys_pipe2 fs/pipe.c:1040 [inline]
__x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1040
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fac9ad7d469
RSP: 002b:00007ffd2b6b0dd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000125
RAX: ffffffffffffffda RBX: 000055557fdcaaf0 RCX: 00007fac9ad7d469
RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007ffd2b6b0df0
RBP: 00007ffd2b6b13b0 R08: 0000000000000007 R09: 000055557fdd6180
R10: a1b617c2bd17eb32 R11: 0000000000000246 R12: 00007ffd2b6b1200
R13: 000055557fdcd900 R14: 00007ffd2b6b0f20 R15: 000055557fdcd2f0
task:kthreadd state:R running task stack:24464 pid:2 tgid:2 ppid:0 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x184f/0x4c30 kernel/sched/core.c:6693
preempt_schedule_common+0x84/0xd0 kernel/sched/core.c:6872
preempt_schedule+0xe1/0xf0 kernel/sched/core.c:6896
preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk.S:12
unwind_next_frame+0x18f8/0x22d0 arch/x86/kernel/unwind_orc.c:672
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1112 [inline]
free_unref_page+0xcfb/0xf20 mm/page_alloc.c:2642
discard_slab mm/slub.c:2677 [inline]
__put_partials+0xeb/0x130 mm/slub.c:3145
put_cpu_partial+0x17c/0x250 mm/slub.c:3220
__slab_free+0x2ea/0x3d0 mm/slub.c:4449
qlink_free mm/kasan/quarantine.c:163 [inline]
qlist_free_all+0x9a/0x140 mm/kasan/quarantine.c:179
kasan_quarantine_reduce+0x14f/0x170 mm/kasan/quarantine.c:286
__kasan_slab_alloc+0x23/0x80 mm/kasan/common.c:329
kasan_slab_alloc include/linux/kasan.h:247 [inline]
slab_post_alloc_hook mm/slub.c:4085 [inline]
slab_alloc_node mm/slub.c:4134 [inline]
kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4141
prepare_creds+0x31/0x640 kernel/cred.c:212
copy_creds+0x109/0x9c0 kernel/cred.c:312
copy_process+0x9df/0x3d50 kernel/fork.c:2238
kernel_clone+0x226/0x8f0 kernel/fork.c:2786
kernel_thread+0x1bc/0x240 kernel/fork.c:2848
create_kthread kernel/kthread.c:412 [inline]
kthreadd+0x60d/0x810 kernel/kthread.c:767
ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)
net_ratelimit: 21503 callbacks suppressed
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on veth0_to_bridge with own address as source address (addr:e2:8c:bf:fe:ea:ae, vlan:0)
bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)