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): P32400/1:b..l rcu: (detected by 0, t=10503 jiffies, g=488637, q=3157 ncpus=2) task:syz-executor state:R running task stack:21368 pid:32400 tgid:32400 ppid:1 task_flags:0x40054c flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x14bc/0x5000 kernel/sched/core.c:6863 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7190 irqentry_exit+0x5d8/0x660 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:__asan_memset+0x29/0x50 mm/kasan/shadow.c:87 Code: 90 f3 0f 1e fa 55 41 56 53 48 89 d3 89 f5 49 89 fe 48 8b 4c 24 18 48 89 d6 ba 01 00 00 00 e8 7e e4 ff ff 84 c0 74 11 4c 89 f7 <89> ee 48 89 da 5b 41 5e 5d e9 79 27 22 09 31 c0 5b 41 5e 5d c3 cc RSP: 0018:ffffc9000cc3f118 EFLAGS: 00000202 RAX: 1ffff92001987e01 RBX: 0000000000000010 RCX: ffffffff8173fb18 RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc9000cc3f258 RBP: 0000000000000000 R08: ffffc9000cc3f267 R09: 1ffff92001987e4c R10: dffffc0000000000 R11: fffff52001987e4d R12: ffffc9000cc3fa00 R13: ffffc9000cc3f258 R14: ffffc9000cc3f258 R15: ffffc9000cc3f250 unwind_next_frame+0xc98/0x2390 arch/x86/kernel/unwind_orc.c:592 arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x9c/0xe0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:56 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:77 __kasan_save_free_info+0x46/0x50 mm/kasan/generic.c:587 kasan_save_free_info mm/kasan/kasan.h:406 [inline] poison_slab_object mm/kasan/common.c:252 [inline] __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:284 kasan_slab_free include/linux/kasan.h:234 [inline] slab_free_hook mm/slub.c:2540 [inline] slab_free mm/slub.c:6663 [inline] kmem_cache_free+0x197/0x620 mm/slub.c:6774 anon_vma_chain_free mm/rmap.c:146 [inline] unlink_anon_vmas+0x614/0x670 mm/rmap.c:446 free_pgtables+0x72b/0x9c0 mm/memory.c:414 exit_mmap+0x437/0xb20 mm/mmap.c:1291 __mmput+0x118/0x430 kernel/fork.c:1130 exit_mm+0x1da/0x2c0 kernel/exit.c:583 do_exit+0x658/0x2310 kernel/exit.c:961 do_group_exit+0x21c/0x2d0 kernel/exit.c:1114 get_signal+0x1285/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x7a0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop+0x87/0x4f0 kernel/entry/common.c:75 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:256 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:159 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:194 [inline] do_syscall_64+0x2e3/0xf80 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f91225c2005 RSP: 002b:00007fff5174d7d0 EFLAGS: 00000293 ORIG_RAX: 00000000000000e6 RAX: 0000000000000000 RBX: 0000000000000343 RCX: 00007f91225c2005 RDX: 00007fff5174d810 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fff5174d87c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000104 R13: 000000000000004d R14: 00000000002a8a77 R15: 00007fff5174d8d0 bridge0: received packet on veth0_to_bridge with own address as source address (addr:f2:d9:1b:ae:86:c9, 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:f2:d9:1b:ae:86:c9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:f2:d9:1b:ae:86:c9, 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 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:f2:d9:1b:ae:86:c9, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:f2:d9:1b:ae:86:c9, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)