bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P7125/1:b..l rcu: (detected by 1, t=10503 jiffies, g=19445, q=141 ncpus=2) task:syz.2.294 state:R running task stack:25448 pid:7125 tgid:7119 ppid:5854 task_flags:0x400040 flags:0x00080003 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1798/0x4cc0 kernel/sched/core.c:6929 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7256 irqentry_exit+0x6f/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:218 [inline] RIP: 0010:unwind_next_frame+0x23b/0x2390 arch/x86/kernel/unwind_orc.c:494 Code: b6 04 28 84 c0 48 89 eb 0f 85 1c 1c 00 00 45 8b 6d 00 44 89 f8 ff c0 48 8d 2c 85 9c bc 92 90 48 89 e8 48 c1 e8 03 0f b6 04 18 <84> c0 0f 85 1c 1c 00 00 44 8b 45 00 41 ff c0 4a 8d 04 6d 00 00 00 RSP: 0018:ffffc9000f246dd8 EFLAGS: 00000a02 RAX: 0000000000000000 RBX: dffffc0000000000 RCX: f3c83608ccccd700 RDX: 00000000000a36d1 RSI: ffffffff8b9ec340 RDI: ffffffff8b9ec300 RBP: ffffffff90971430 R08: 0000000000000000 R09: ffffffff81725d45 R10: ffffc9000f246ef8 R11: ffffffff81aaf9d0 R12: ffffffff8215e413 R13: 0000000000038072 R14: ffffc9000f246ea8 R15: 00000000000115e4 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 save_stack+0xf5/0x1f0 mm/page_owner.c:156 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:308 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] __free_frozen_pages+0xbc4/0xd30 mm/page_alloc.c:2906 discard_slab mm/slub.c:3301 [inline] __put_partials+0x146/0x170 mm/slub.c:3848 put_cpu_partial+0x1f2/0x2e0 mm/slub.c:3923 __slab_free+0x2b9/0x390 mm/slub.c:5882 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x140 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:352 kasan_slab_alloc include/linux/kasan.h:252 [inline] slab_post_alloc_hook mm/slub.c:4946 [inline] slab_alloc_node mm/slub.c:5245 [inline] kmem_cache_alloc_noprof+0x367/0x6e0 mm/slub.c:5252 lsm_file_alloc security/security.c:739 [inline] security_file_alloc+0x34/0x330 security/security.c:2927 init_file+0x93/0x2f0 fs/file_table.c:159 alloc_empty_file+0x6e/0x1d0 fs/file_table.c:241 path_openat+0x107/0x3830 fs/namei.c:4120 do_filp_open+0x1fa/0x410 fs/namei.c:4161 io_openat2+0x3e0/0x5c0 io_uring/openclose.c:143 __io_issue_sqe+0x181/0x4b0 io_uring/io_uring.c:1824 io_issue_sqe+0x165/0x1060 io_uring/io_uring.c:1847 io_queue_sqe io_uring/io_uring.c:2074 [inline] io_submit_sqe io_uring/io_uring.c:2334 [inline] io_submit_sqes+0xa54/0x1e60 io_uring/io_uring.c:2447 __do_sys_io_uring_enter io_uring/io_uring.c:3514 [inline] __se_sys_io_uring_enter+0x2df/0x2b20 io_uring/io_uring.c:3453 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f4c5bd8eec9 RSP: 002b:00007f4c5cc21038 EFLAGS: 00000246 ORIG_RAX: 00000000000001aa RAX: ffffffffffffffda RBX: 00007f4c5bfe6180 RCX: 00007f4c5bd8eec9 RDX: 0000000000000000 RSI: 00000000000047f6 RDI: 0000000000000006 RBP: 00007f4c5be11f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f4c5bfe6218 R14: 00007f4c5bfe6180 R15: 00007f4c5c10fa28 bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)