bridge0: received packet on veth0_to_bridge 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): P7295/1:b..l rcu: (detected by 0, t=10502 jiffies, g=22089, q=596 ncpus=2) task:syz.1.281 state:R running task stack:24968 pid:7295 tgid:7290 ppid:5857 task_flags:0x40044c flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5396 [inline] __schedule+0x16f5/0x4d00 kernel/sched/core.c:6785 preempt_schedule_irq+0xb5/0x150 kernel/sched/core.c:7108 irqentry_exit+0x6f/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:find_lock_entries+0x79e/0xa60 mm/filemap.c:2158 Code: 00 74 08 4c 89 f7 e8 91 11 2c 00 4d 8b 36 4c 89 f6 48 83 e6 02 31 ff e8 f0 9e c8 ff 49 83 e6 02 75 24 48 8b b4 24 a8 00 00 00 <48> 8b 7c 24 18 e8 98 ed ff ff 84 c0 0f 84 95 02 00 00 e8 eb 99 c8 RSP: 0018:ffffc900040df160 EFLAGS: 00000246 RAX: ffffffff81f7c4e0 RBX: ffffc900040df600 RCX: ffff8880265f5a00 RDX: 0000000000000000 RSI: 000000000000022d RDI: 0000000000000000 RBP: ffffc900040df2b0 R08: ffffea00012cc1c7 R09: 1ffffd4000259838 R10: dffffc0000000000 R11: fffff94000259839 R12: ffffea00012cc1c0 R13: 000000000000022d R14: 0000000000000000 R15: 0000000000000001 shmem_undo_range+0x254/0x14b0 mm/shmem.c:1107 shmem_truncate_range mm/shmem.c:1237 [inline] shmem_evict_inode+0x272/0xa70 mm/shmem.c:1365 evict+0x501/0x9c0 fs/inode.c:810 __dentry_kill+0x209/0x660 fs/dcache.c:669 dput+0x19f/0x2b0 fs/dcache.c:911 __fput+0x68e/0xa70 fs/file_table.c:473 task_work_run+0x1d1/0x260 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x6ad/0x22e0 kernel/exit.c:955 do_group_exit+0x21c/0x2d0 kernel/exit.c:1104 get_signal+0x1286/0x1340 kernel/signal.c:3034 arch_do_signal_or_restart+0x9a/0x750 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x75/0x110 kernel/entry/common.c:111 exit_to_user_mode_prepare include/linux/entry-common.h:330 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:414 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:449 [inline] do_syscall_64+0x2bd/0x3b0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f1df4d8e929 RSP: 002b:00007f1df5bc9038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: 0000000000010106 RBX: 00007f1df4fb6080 RCX: 00007f1df4d8e929 RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000003 RBP: 00007f1df4e10b39 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000001 R14: 00007f1df4fb6080 R15: 00007f1df50dfa28 bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:2a:78:7a:ca:fa, 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:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:2a:78:7a:ca:fa, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 18087 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:2a:78:7a:ca:fa, 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:1b, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:6e:2a:78:7a:ca:fa, vlan:0)