bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P22969/1:b..l rcu: (detected by 1, t=10502 jiffies, g=115569, q=1299 ncpus=2) task:syz.7.4763 state:R running task stack:23416 pid:22969 tgid:22969 ppid:20457 task_flags:0x40064c flags:0x00080001 Call Trace: context_switch kernel/sched/core.c:5256 [inline] __schedule+0x1139/0x6150 kernel/sched/core.c:6863 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7190 irqentry_exit+0x1d8/0x8c0 kernel/entry/common.c:216 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_acquire+0x62/0x330 kernel/locking/lockdep.c:5872 Code: b4 18 12 83 f8 07 0f 87 a2 02 00 00 89 c0 48 0f a3 05 22 be ee 0e 0f 82 74 02 00 00 8b 35 ba ee ee 0e 85 f6 0f 85 8d 00 00 00 <48> 8b 44 24 30 65 48 2b 05 39 b4 18 12 0f 85 ad 02 00 00 48 83 c4 RSP: 0018:ffffc9000c387110 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e3c96a0 RCX: 0000000068c1bacb RDX: 0000000000000000 RSI: ffffffff8daa845f RDI: ffffffff8bf2b480 RBP: 0000000000000002 R08: 00000000ffffffff R09: 00000000ffffffff R10: 0000000000000002 R11: ffff88807d4c8b30 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:331 [inline] rcu_read_lock include/linux/rcupdate.h:867 [inline] __update_page_owner_free_handle.constprop.0+0x4d/0x4a0 mm/page_owner.c:283 __reset_page_owner+0x93/0x1a0 mm/page_owner.c:321 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1406 [inline] free_unref_folios+0xa22/0x1610 mm/page_alloc.c:3000 folios_put_refs+0x4be/0x750 mm/swap.c:1002 folio_batch_release include/linux/pagevec.h:101 [inline] shmem_undo_range+0x58f/0x1140 mm/shmem.c:1137 shmem_truncate_range mm/shmem.c:1249 [inline] shmem_evict_inode+0x39e/0xbe0 mm/shmem.c:1379 evict+0x3c2/0xad0 fs/inode.c:837 iput_final fs/inode.c:1951 [inline] iput.part.0+0x621/0x1190 fs/inode.c:2003 iput+0x35/0x40 fs/inode.c:1966 dentry_unlink_inode+0x29c/0x480 fs/dcache.c:467 __dentry_kill+0x1d0/0x600 fs/dcache.c:670 finish_dput+0x76/0x480 fs/dcache.c:879 dput.part.0+0x451/0x570 fs/dcache.c:928 dput+0x1f/0x30 fs/dcache.c:920 __fput+0x51c/0xb70 fs/file_table.c:476 task_work_run+0x150/0x240 kernel/task_work.c:233 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x87f/0x2bd0 kernel/exit.c:971 do_group_exit+0xd3/0x2a0 kernel/exit.c:1112 get_signal+0x2671/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x7e0 arch/x86/kernel/signal.c:337 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline] exit_to_user_mode_loop kernel/entry/common.c:75 [inline] __exit_to_user_mode_prepare include/linux/irq-entry-common.h:226 [inline] irqentry_exit_to_user_mode_prepare include/linux/irq-entry-common.h:270 [inline] irqentry_exit_to_user_mode include/linux/irq-entry-common.h:339 [inline] irqentry_exit+0x38a/0x8c0 kernel/entry/common.c:196 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618 RIP: 0033:0x7f0b84b8f751 RSP: 002b:fffffffffffffe70 EFLAGS: 00010217 RAX: 0000000000000000 RBX: 00007f0b84de5fa0 RCX: 00007f0b84b8f749 RDX: 0000000000000000 RSI: fffffffffffffe70 RDI: 0000000000008000 RBP: 00007f0b84c13f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 00007f0b84de6038 R14: 00007f0b84de5fa0 R15: 00007ffc6e43c9c8 bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) net_ratelimit: 16561 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:52:33:37:b9:b4:70, vlan:0)