bridge0: received packet on veth0_to_bridge with own address as source address (addr:b2:f1:d8:4d:be:2a, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P5992/1:b..l.. rcu: (detected by 1, t=10503 jiffies, g=58277, q=1600 ncpus=2) task:syz-executor state:R running task stack:20088 pid:5992 tgid:5992 ppid:5988 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5583 [inline] __schedule+0x17dd/0x5830 kernel/sched/core.c:7382 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7662 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:543 [inline] irqentry_exit+0x14f/0x9b0 kernel/entry/common.c:154 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:kasan_byte_accessible+0x0/0x30 mm/kasan/generic.c:204 Code: 04 eb 92 4d 01 f3 49 83 c3 05 eb 89 bb 06 00 00 00 e9 79 ff ff ff 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <0f> 1f 40 d6 48 c1 ef 03 48 b8 00 00 00 00 00 fc ff df 0f b6 04 07 RSP: 0018:ffffc90005127478 EFLAGS: 00000202 RAX: 0000000000000001 RBX: ffffffff81da0447 RCX: 8000000000000001 RDX: 0000000000000000 RSI: ffffffff81da0447 RDI: ffffffff9015a4a0 RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 R10: ffffc90005127618 R11: ffffffff81b3dd40 R12: ffffffff9015a4a0 R13: 0000000000000002 R14: ffffffff9015a4a0 R15: 0000000000000000 __kasan_check_byte+0x12/0x40 mm/kasan/common.c:584 kasan_check_byte include/linux/kasan.h:402 [inline] lock_acquire+0x7d/0x350 kernel/locking/lockdep.c:5916 rcu_lock_acquire include/linux/rcupdate.h:309 [inline] rcu_read_lock include/linux/rcupdate.h:849 [inline] is_bpf_text_address+0x47/0x2b0 kernel/bpf/core.c:754 kernel_text_address+0xa5/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x30 kernel/extable.c:79 unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:385 arch_stack_walk+0xfb/0x150 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:183 __reset_page_owner+0x73/0x2a0 mm/page_owner.c:338 reset_page_owner include/linux/page_owner.h:26 [inline] __free_pages_prepare mm/page_alloc.c:1403 [inline] __free_frozen_pages+0xc97/0xd90 mm/page_alloc.c:2954 __slab_free+0x269/0x2c0 mm/slub.c:5926 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:361 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4720 [inline] slab_alloc_node mm/slub.c:5033 [inline] kmem_cache_alloc_noprof+0x2b4/0x600 mm/slub.c:5047 alloc_empty_file+0x5b/0x1d0 fs/file_table.c:263 path_openat+0x96/0x20f0 fs/namei.c:4996 do_file_open+0x23e/0x4a0 fs/namei.c:5039 do_sys_openat2+0x115/0x200 fs/open.c:1442 do_sys_open fs/open.c:1448 [inline] __do_sys_openat fs/open.c:1788 [inline] __se_sys_openat fs/open.c:1783 [inline] __x64_sys_openat+0x138/0x170 fs/open.c:1783 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f61a2f9e87c RSP: 002b:00007ffcd4dcdc30 EFLAGS: 00000206 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000249 RCX: 00007f61a2f9e87c RDX: 0000000000090800 RSI: 00007f61a3036455 RDI: 00000000ffffff9c RBP: 00007ffcd4dcdcdc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 00000000000000ad R13: 0000000000000000 R14: 0000000000059b6a R15: 00007ffcd4dcdd30 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:0c, vlan:0)