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): P8078/1:b..l P5828/1:b..l P5178/1:b..l P5196/1:b..l rcu: (detected by 0, t=10503 jiffies, g=20893, q=312 ncpus=2) task:udevd state:R running task stack:23640 pid:5196 tgid:5196 ppid:1 task_flags:0x400140 flags:0x00000002 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x116f/0x5de0 kernel/sched/core.c:6767 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7090 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5870 Code: b2 0e 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 12 36 ee 0e 0f 82 74 02 00 00 8b 35 aa 65 ee 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 e9 b1 0e 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc900046674f8 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e3c15c0 RCX: 0000000076fa9cfd RDX: 0000000000000000 RSI: ffffffff8dbc9fb7 RDI: ffffffff8bf46340 RBP: 0000000000000002 R08: a915d97e79993631 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 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+0xd1/0x20a0 arch/x86/kernel/unwind_orc.c:479 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 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+0x69d/0xff0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3189 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 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_noprof+0x1d4/0x510 mm/slub.c:4343 kmalloc_noprof include/linux/slab.h:909 [inline] tomoyo_realpath_from_path+0xc2/0x6e0 security/tomoyo/realpath.c:251 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_path_perm+0x274/0x460 security/tomoyo/file.c:822 security_inode_getattr+0x116/0x290 security/security.c:2377 vfs_getattr fs/stat.c:243 [inline] vfs_statx_path fs/stat.c:283 [inline] vfs_statx+0x114/0x210 fs/stat.c:349 vfs_fstatat+0x7b/0xf0 fs/stat.c:368 __do_sys_newfstatat+0xa1/0x130 fs/stat.c:532 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff0641165f4 RSP: 002b:00007ffd0b84db08 EFLAGS: 00000246 ORIG_RAX: 0000000000000106 RAX: ffffffffffffffda RBX: 00005560d27526e0 RCX: 00007ff0641165f4 RDX: 00007ffd0b84db18 RSI: 00005560d2742897 RDI: 00000000ffffff9c RBP: 00005560f1bcca48 R08: 00062305ed946d00 R09: 00007ff06467d000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00062305ed946d00 R15: 00005560d2746dca task:syslogd state:R running task stack:24664 pid:5178 tgid:5178 ppid:1 task_flags:0x400000 flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x116f/0x5de0 kernel/sched/core.c:6767 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7090 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0x5d4/0x20a0 arch/x86/kernel/unwind_orc.c:515 Code: 83 e2 07 41 83 e7 01 38 d0 7f 08 84 c0 0f 85 aa 13 00 00 45 88 7d 35 44 0f b6 71 04 41 83 e6 0f 41 80 fe 06 0f 84 c4 0a 00 00 <0f> 87 20 02 00 00 41 80 fe 04 0f 84 17 0a 00 00 41 80 fe 05 0f 85 RSP: 0018:ffffc9000326f260 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff912a362e RDX: 0000000000000005 RSI: 0000000000000001 RDI: ffffffff90a1ad08 RBP: ffffc9000326f318 R08: ffffffff912a3632 R09: 0000000000000000 R10: 0000000000000002 R11: 00000000000130f6 R12: ffffc9000326f320 R13: ffffc9000326f2d0 R14: 0000000000000004 R15: 0000000000000000 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 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+0x69d/0xff0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3189 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 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_noprof+0x1d4/0x510 mm/slub.c:4343 kmalloc_noprof include/linux/slab.h:909 [inline] kzalloc_noprof include/linux/slab.h:1039 [inline] tomoyo_encode2+0x100/0x3e0 security/tomoyo/realpath.c:45 tomoyo_encode+0x29/0x50 security/tomoyo/realpath.c:80 tomoyo_realpath_from_path+0x18f/0x6e0 security/tomoyo/realpath.c:283 tomoyo_get_realpath security/tomoyo/file.c:151 [inline] tomoyo_check_open_permission+0x2ab/0x3c0 security/tomoyo/file.c:771 tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334 security_file_open+0x84/0x1e0 security/security.c:3114 do_dentry_open+0x596/0x1c10 fs/open.c:933 vfs_open+0x82/0x3f0 fs/open.c:1086 do_open fs/namei.c:3845 [inline] path_openat+0x1e5e/0x2d40 fs/namei.c:4004 do_filp_open+0x20b/0x470 fs/namei.c:4031 do_sys_openat2+0x11b/0x1d0 fs/open.c:1429 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1455 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f6c7ade39a4 RSP: 002b:00007ffe0723cf70 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00005599e3dee2c0 RCX: 00007f6c7ade39a4 RDX: 0000000000000d41 RSI: 00007f6c7af82443 RDI: 00000000ffffff9c RBP: 00007f6c7af82443 R08: 0000000000000001 R09: 0000000000000000 R10: 00000000000001b6 R11: 0000000000000246 R12: 0000000000000d41 R13: 0000000067fb109f R14: 0000000000000004 R15: 00005599e3dee410 task:syz-executor state:R running task stack:23688 pid:5828 tgid:5828 ppid:5814 task_flags:0x400140 flags:0x00000000 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x116f/0x5de0 kernel/sched/core.c:6767 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7090 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:lock_acquire+0x62/0x350 kernel/locking/lockdep.c:5870 Code: b2 0e 12 83 f8 07 0f 87 bc 02 00 00 89 c0 48 0f a3 05 12 36 ee 0e 0f 82 74 02 00 00 8b 35 aa 65 ee 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 e9 b1 0e 12 0f 85 c7 02 00 00 48 83 c4 RSP: 0018:ffffc900040f7a98 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e3c15c0 RCX: 000000005a3aa682 RDX: 0000000000000000 RSI: ffffffff8dbc9fb7 RDI: ffffffff8bf46340 RBP: 0000000000000002 R08: 5266d60a7c66fcff R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:841 [inline] __update_page_owner_free_handle.constprop.0+0x4d/0x470 mm/page_owner.c:271 __reset_page_owner+0x93/0x1a0 mm/page_owner.c:309 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1262 [inline] __free_frozen_pages+0x69d/0xff0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3189 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 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+0x1cb/0x3b0 mm/slub.c:4207 getname_flags.part.0+0x48/0x540 fs/namei.c:146 getname_flags+0x93/0xf0 include/linux/audit.h:322 getname include/linux/fs.h:2852 [inline] do_sys_openat2+0xb8/0x1d0 fs/open.c:1423 do_sys_open fs/open.c:1444 [inline] __do_sys_openat fs/open.c:1460 [inline] __se_sys_openat fs/open.c:1455 [inline] __x64_sys_openat+0x174/0x210 fs/open.c:1455 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xcd/0x260 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5446b8ca61 RSP: 002b:00007ffccfb71700 EFLAGS: 00000287 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007f5446c0e77c RCX: 00007f5446b8ca61 RDX: 0000000000090800 RSI: 00007ffccfb728b0 RDI: 00000000ffffff9c RBP: 00007ffccfb7289c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000287 R12: 00007ffccfb728b0 R13: 00007f5446c0e77c R14: 000000000004c27b R15: 00007ffccfb728f0 task:syz.0.557 state:R running task stack:27272 pid:8078 tgid:8074 ppid:5818 task_flags:0x40054c flags:0x00004002 Call Trace: context_switch kernel/sched/core.c:5382 [inline] __schedule+0x116f/0x5de0 kernel/sched/core.c:6767 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7090 irqentry_exit+0x36/0x90 kernel/entry/common.c:354 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:unwind_next_frame+0x51e/0x20a0 arch/x86/kernel/unwind_orc.c:505 Code: b8 00 00 00 00 00 fc ff df 4c 8d 79 05 4c 89 fa 48 c1 ea 03 0f b6 04 02 4c 89 fa 83 e2 07 38 d0 7f 08 84 c0 0f 85 32 14 00 00 <0f> b6 41 05 83 e0 07 0f 84 53 fe ff ff 3c 01 0f 84 7b fe ff ff 4c RSP: 0018:ffffc9000c1f72e0 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff9127cc46 RDX: 0000000000000003 RSI: 0000000000000000 RDI: ffffffff90a01114 RBP: ffffc9000c1f7398 R08: ffffffff9127cc4c R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000011311 R12: ffffc9000c1f73a0 R13: ffffc9000c1f7350 R14: ffffc9000c1f7385 R15: ffffffff9127cc4b arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 save_stack+0x160/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x84/0x1a0 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+0x69d/0xff0 mm/page_alloc.c:2680 discard_slab mm/slub.c:2720 [inline] __put_partials+0x16d/0x1c0 mm/slub.c:3189 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x4e/0x120 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x195/0x1e0 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x69/0x90 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] __kmalloc_cache_noprof+0x1f1/0x3e0 mm/slub.c:4357 kmalloc_noprof include/linux/slab.h:905 [inline] snd_pcm_hw_param_near.constprop.0+0xbc/0x8e0 sound/core/oss/pcm_oss.c:400 snd_pcm_oss_change_params_locked+0x1398/0x3b40 sound/core/oss/pcm_oss.c:954 snd_pcm_oss_change_params sound/core/oss/pcm_oss.c:1105 [inline] snd_pcm_oss_make_ready+0xe6/0x1b0 sound/core/oss/pcm_oss.c:1164 snd_pcm_oss_sync+0x1de/0x840 sound/core/oss/pcm_oss.c:1730 snd_pcm_oss_release+0x28b/0x310 sound/core/oss/pcm_oss.c:2575 __fput+0x3ff/0xb70 fs/file_table.c:465 task_work_run+0x14d/0x240 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0xafb/0x2c30 kernel/exit.c:953 do_group_exit+0xd3/0x2a0 kernel/exit.c:1102 get_signal+0x2673/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7d0 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+0x150/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xda/0x260 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f5cc378d169 RSP: 002b:00007f5cc15d50e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffe00 RBX: 00007f5cc39a6088 RCX: 00007f5cc378d169 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f5cc39a6088 RBP: 00007f5cc39a6080 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5cc39a608c R13: 0000000000000000 R14: 00007ffd560b13f0 R15: 00007ffd560b14d8 net_ratelimit: 22894 callbacks suppressed 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) 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) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)