bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5832/1:b..l rcu: (detected by 1, t=10503 jiffies, g=48601, q=1100 ncpus=2) task:syz-executor state:R running task stack:23736 pid:5832 tgid:5832 ppid:1 task_flags:0x400140 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0xfee/0x60e0 kernel/sched/core.c:6907 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7234 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__sanitizer_cov_trace_pc+0xb/0x70 kernel/kcov.c:213 Code: 5f 00 be 03 00 00 00 5b e9 c2 12 eb 02 66 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 65 8b 05 e5 f4 04 12 <48> 8b 34 24 65 48 8b 15 c1 f4 04 12 a9 00 01 ff 00 74 1b f6 c4 01 RSP: 0018:ffffc90003f47628 EFLAGS: 00000293 RAX: 0000000080000000 RBX: ffff88801c9e5050 RCX: ffffffff827e8c1d RDX: 0000000000000003 RSI: 000000000000001f RDI: ffff8880374c8000 RBP: 0000000000000001 R08: 0000000000000003 R09: 000000000000001f R10: 0000000000000003 R11: 0000000000000000 R12: ffff8880374c8000 R13: 0000000001c201c9 R14: 0000000000006101 R15: 0000000000026101 __update_page_owner_free_handle.isra.0+0x162/0x4d0 mm/page_owner.c:284 __reset_page_owner+0x93/0x190 mm/page_owner.c:321 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0x7e1/0x10d0 mm/page_alloc.c:2978 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x47/0xe0 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:4501 [inline] slab_alloc_node mm/slub.c:4830 [inline] kmem_cache_alloc_noprof+0x241/0x6e0 mm/slub.c:4837 anon_vma_alloc mm/rmap.c:94 [inline] anon_vma_fork+0x8d/0x6b0 mm/rmap.c:391 dup_mmap+0x141f/0x2180 mm/mmap.c:1804 dup_mm kernel/fork.c:1530 [inline] copy_mm kernel/fork.c:1582 [inline] copy_process+0x73d7/0x7a10 kernel/fork.c:2223 kernel_clone+0xfc/0x9a0 kernel/fork.c:2654 __do_sys_clone+0xd9/0x120 kernel/fork.c:2795 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb497dc50d2 RSP: 002b:00007ffee128bc70 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007ffee128bc70 RCX: 00007fb497dc50d2 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 RBP: 00007ffee128bdfc R08: 0000000000000000 R09: 0000000000000001 R10: 00005555568237d0 R11: 0000000000000246 R12: 0000000000000001 R13: 000000000000001f R14: 000000000005bc16 R15: 00007ffee128be50 bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) net_ratelimit: 32541 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:ba:93:20:10:d1:eb, vlan:0)