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): P5816/1:b..l P976/1:b..l P10622/1:b..l P9292/1:b..l P8510/1:b..l rcu: (detected by 1, t=10503 jiffies, g=38213, q=1182222 ncpus=2) task:syz.1.638 state:R running task stack:25544 pid:8510 tgid:8510 ppid:5828 task_flags:0x40044c flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b33/0x51f0 kernel/sched/core.c:6767 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090 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:__orc_find arch/x86/kernel/unwind_orc.c:-1 [inline] RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:227 [inline] RIP: 0010:unwind_next_frame+0x2da/0x23b0 arch/x86/kernel/unwind_orc.c:494 Code: 39 e8 0f 84 1b 02 00 00 4e 8d 3c ad e8 80 6c 90 45 29 e8 4b 8d 2c 87 48 83 c5 fc 4d 89 fd 4c 39 fd 0f 83 76 04 00 00 4d 29 fd <e9> 8b 00 00 00 31 ed e9 be 17 00 00 48 c7 c3 60 27 48 8c e9 93 00 RSP: 0018:ffffc900044df468 EFLAGS: 00000246 RAX: ffffffff90799b68 RBX: ffffffff90799b6c RCX: ffffffff90799b70 RDX: ffffffff90f531d2 RSI: ffffffff8ca0e040 RDI: ffffffff8ca0e000 RBP: ffffffff90799b6c R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff821c538e R13: 0000000000000000 R14: ffffffff90799b70 R15: ffffffff90799b6c arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 save_stack+0xfc/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x76/0x1e0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xddf/0x10a0 mm/page_alloc.c:2680 vfree+0x1c3/0x360 mm/vmalloc.c:3383 kcov_put kernel/kcov.c:439 [inline] kcov_close+0x28/0x50 kernel/kcov.c:535 __fput+0x3e9/0x9f0 fs/file_table.c:465 task_work_run+0x251/0x310 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xa11/0x27f0 kernel/exit.c:953 do_group_exit+0x207/0x2c0 kernel/exit.c:1102 get_signal+0x1696/0x1730 kernel/signal.c:3034 arch_do_signal_or_restart+0x98/0x840 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb8d8bbfa25 RSP: 002b:00007fb8d9a8af80 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: fffffffffffffdfc RBX: 00007fb8d8da5fa0 RCX: 00007fb8d8bbfa25 RDX: 00007fb8d9a8afc0 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fb8d8c0e990 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb8d8da5fa0 R15: 00007ffd57c43098 </TASK> task:syz-executor state:R running task stack:20328 pid:9292 tgid:9292 ppid:9270 task_flags:0x400140 flags:0x00000000 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b33/0x51f0 kernel/sched/core.c:6767 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090 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_release+0x244/0x3e0 arch/x86/include/asm/irqflags.h:-1 Code: 48 c7 44 24 20 00 00 00 00 9c 8f 44 24 20 f7 44 24 20 00 02 00 00 0f 85 c3 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 65 48 8b 03 <48> 3b 44 24 28 0f 85 82 01 00 00 48 83 c4 30 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc9001c2577e0 EFLAGS: 00000206 RAX: cf61d5cd4dff0d00 RBX: ffffffff93657020 RCX: 0000000000000001 RDX: dffffc0000000000 RSI: ffffffff8e4ea19f RDI: ffffffff8ca0e060 RBP: ffff88801f3aa918 R08: ffffc9001c257da8 R09: 0000000000000000 R10: ffffc9001c257970 R11: fffff5200384af30 R12: 0000000000000001 R13: ffff88801f3a9e00 R14: 0000000000000206 R15: ffffffff8ed3dfa0 rcu_lock_release include/linux/rcupdate.h:341 [inline] rcu_read_unlock include/linux/rcupdate.h:871 [inline] class_rcu_destructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0x1a9f/0x23b0 arch/x86/kernel/unwind_orc.c:680 arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 save_stack+0xfc/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x76/0x1e0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xddf/0x10a0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3189 put_cpu_partial+0x17e/0x250 mm/slub.c:3264 __slab_free+0x294/0x390 mm/slub.c:4516 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:250 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4200 [inline] kmem_cache_alloc_noprof+0x1e1/0x390 mm/slub.c:4207 getname_flags+0xb6/0x530 fs/namei.c:146 getname include/linux/fs.h:2852 [inline] __do_sys_unlink fs/namei.c:4654 [inline] __se_sys_unlink fs/namei.c:4652 [inline] __x64_sys_unlink+0x3a/0x50 fs/namei.c:4652 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f3927f8c717 RSP: 002b:00007ffe8756ff78 EFLAGS: 00000206 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3927f8c717 RDX: 00007ffe8756ffa0 RSI: 00007ffe87570030 RDI: 00007ffe87570030 RBP: 00007ffe87570030 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000100 R11: 0000000000000206 R12: 00007ffe875710c0 R13: 00007f392800e77c R14: 000000000007783e R15: 00007ffe87571100 </TASK> task:syz.4.1257 state:R running task stack:24104 pid:10622 tgid:10616 ppid:5826 task_flags:0x40044c flags:0x00004006 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b33/0x51f0 kernel/sched/core.c:6767 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090 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+0x167/0x2f0 arch/x86/include/asm/irqflags.h:-1 Code: c7 44 24 10 00 00 00 00 9c 8f 44 24 10 f7 44 24 10 00 02 00 00 0f 85 fd 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 65 48 8b 45 00 <48> 3b 44 24 38 0f 85 72 01 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc9001031f508 EFLAGS: 00000206 RAX: aed38a8a13a3c200 RBX: ffffffff8ed3dfa0 RCX: aed38a8a13a3c200 RDX: 0000000000000001 RSI: ffffffff8e4ea19f RDI: ffffffff8ca0e060 RBP: ffffffff93657020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000246 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] class_rcu_constructor include/linux/rcupdate.h:1155 [inline] unwind_next_frame+0xd5/0x23b0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x59/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2389 [inline] slab_free mm/slub.c:4646 [inline] kmem_cache_free+0x197/0x410 mm/slub.c:4748 do_exit+0x9f2/0x27f0 kernel/exit.c:948 do_group_exit+0x207/0x2c0 kernel/exit.c:1102 get_signal+0x1696/0x1730 kernel/signal.c:3034 arch_do_signal_or_restart+0x98/0x840 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop kernel/entry/common.c:111 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:329 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0xce/0x340 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd3cdb8d169 RSP: 002b:00007fd3ce980038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: 0000000000010106 RBX: 00007fd3cdda6080 RCX: 00007fd3cdb8d169 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007fd3cdc0e990 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fd3cdda6080 R15: 00007fffb7347228 </TASK> task:kworker/0:2 state:R running task stack:22632 pid:976 tgid:976 ppid:2 task_flags:0x4208060 flags:0x00004000 Workqueue: 0x0 (wg-crypt-wg1) Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b33/0x51f0 kernel/sched/core.c:6767 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090 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:orc_find arch/x86/kernel/unwind_orc.c:217 [inline] RIP: 0010:unwind_next_frame+0x240/0x23b0 arch/x86/kernel/unwind_orc.c:494 Code: 0d 00 44 0f 45 f1 41 8d 46 ff 39 e8 0f 86 1d 19 00 00 89 e8 48 8d 1c 85 c4 17 91 91 48 89 d8 48 c1 e8 03 42 0f b6 04 28 84 c0 <4d> 89 ef 0f 85 44 1b 00 00 44 8b 2b 89 e8 ff c0 48 8d 1c 85 c4 17 RSP: 0018:ffffc9000392f268 EFLAGS: 00000246 RAX: 0000000000000000 RBX: ffffffff9195eb0c RCX: 00000000000b2ca4 RDX: 0000000000000000 RSI: ffffffff8ca0e040 RDI: ffffffff8ca0e000 RBP: 00000000000134d2 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff8234d22b R13: dffffc0000000000 R14: 00000000000b2ca4 R15: ffffffff816debc8 arch_stack_walk+0x11e/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x11a/0x1d0 kernel/stacktrace.c:122 save_stack+0xfc/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x76/0x1e0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xddf/0x10a0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3189 put_cpu_partial+0x17e/0x250 mm/slub.c:3264 __slab_free+0x294/0x390 mm/slub.c:4516 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:250 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4200 [inline] __do_kmalloc_node mm/slub.c:4330 [inline] __kmalloc_node_track_caller_noprof+0x23a/0x4d0 mm/slub.c:4350 kvasprintf+0xe1/0x190 lib/kasprintf.c:25 __kthread_create_on_node+0x1b6/0x3e0 kernel/kthread.c:520 kthread_create_on_node+0xe0/0x130 kernel/kthread.c:588 create_worker+0x2a8/0x730 kernel/workqueue.c:2802 maybe_create_worker kernel/workqueue.c:3063 [inline] manage_workers kernel/workqueue.c:3115 [inline] worker_thread+0x318/0xd50 kernel/workqueue.c:3375 kthread+0x7b7/0x940 kernel/kthread.c:464 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 </TASK> task:syz-executor state:R running task stack:20648 pid:5816 tgid:5816 ppid:5814 task_flags:0x400100 flags:0x00004002 Call Trace: <TASK> context_switch kernel/sched/core.c:5382 [inline] __schedule+0x1b33/0x51f0 kernel/sched/core.c:6767 preempt_schedule_irq+0xfe/0x1c0 kernel/sched/core.c:7090 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+0x167/0x2f0 arch/x86/include/asm/irqflags.h:-1 Code: c7 44 24 10 00 00 00 00 9c 8f 44 24 10 f7 44 24 10 00 02 00 00 0f 85 fd 00 00 00 41 f7 c6 00 02 00 00 74 01 fb 65 48 8b 45 00 <48> 3b 44 24 38 0f 85 72 01 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e RSP: 0018:ffffc90003f5f848 EFLAGS: 00000206 RAX: d016b7a8db623800 RBX: ffffffff8ed3dfa0 RCX: d016b7a8db623800 RDX: 0000000000000000 RSI: ffffffff8e4ea19f RDI: ffffffff8ca0e060 RBP: ffffffff93657020 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000002 R14: 0000000000000246 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] page_ext_get+0x3d/0x2a0 mm/page_ext.c:538 __reset_page_owner+0x29/0x1e0 mm/page_owner.c:294 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0xddf/0x10a0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x160/0x1c0 mm/slub.c:3189 put_cpu_partial+0x17e/0x250 mm/slub.c:3264 __slab_free+0x294/0x390 mm/slub.c:4516 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:250 [inline] slab_post_alloc_hook mm/slub.c:4151 [inline] slab_alloc_node mm/slub.c:4200 [inline] kmem_cache_alloc_noprof+0x1e1/0x390 mm/slub.c:4207 lsm_file_alloc security/security.c:733 [inline] security_file_alloc+0x32/0x310 security/security.c:2858 init_file+0x90/0x300 fs/file_table.c:156 alloc_empty_file+0x70/0x1d0 fs/file_table.c:238 alloc_file fs/file_table.c:351 [inline] alloc_file_pseudo+0x206/0x320 fs/file_table.c:380 create_pipe_files+0x334/0x7d0 fs/pipe.c:943 __do_pipe_flags+0x48/0x2d0 fs/pipe.c:984 do_pipe2+0xd6/0x310 fs/pipe.c:1035 __do_sys_pipe2 fs/pipe.c:1053 [inline] __se_sys_pipe2 fs/pipe.c:1051 [inline] __x64_sys_pipe2+0x5a/0x70 fs/pipe.c:1051 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f599cf8be89 RSP: 002b:00007ffd15b22568 EFLAGS: 00000246 ORIG_RAX: 0000000000000125 RAX: ffffffffffffffda RBX: 000055558d3cd620 RCX: 00007f599cf8be89 RDX: 0000000000000007 RSI: 0000000000000000 RDI: 00007ffd15b22578 RBP: 00007ffd15b22930 R08: 0000000000000007 R09: 000055558d3cb690 R10: 3939ce8cfe8a2a5e R11: 0000000000000246 R12: 000055558d3ccc50 R13: 000055558d3ce378 R14: 00007ffd15b226b0 R15: 000055558d3c85a8 </TASK>