bridge0: received packet on veth0_to_bridge with own address as source address (addr:1e:e4:39:87:5c:31, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P6632/1:b..l P50/1:b..l rcu: (detected by 0, t=10503 jiffies, g=17897, q=966 ncpus=2) task:kworker/u8:3 state:R running task stack:25096 pid:50 tgid:50 ppid:2 task_flags:0x24208160 flags:0x00080000 Workqueue: writeback wb_workfn (flush-8:0) Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 preempt_schedule_common+0x44/0xc0 kernel/sched/core.c:7113 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12 __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] _raw_spin_unlock_irqrestore+0x61/0x80 kernel/locking/spinlock.c:194 spin_unlock_irqrestore include/linux/spinlock.h:406 [inline] virtscsi_add_cmd+0x9a/0x160 drivers/scsi/virtio_scsi.c:508 virtscsi_queuecommand+0x729/0x10f0 drivers/scsi/virtio_scsi.c:601 scsi_dispatch_cmd drivers/scsi/scsi_lib.c:1626 [inline] scsi_queue_rq+0x1308/0x36c0 drivers/scsi/scsi_lib.c:1868 blk_mq_dispatch_rq_list+0x416/0x1e20 block/blk-mq.c:2129 __blk_mq_do_dispatch_sched block/blk-mq-sched.c:168 [inline] blk_mq_do_dispatch_sched block/blk-mq-sched.c:182 [inline] __blk_mq_sched_dispatch_requests+0xcb7/0x15f0 block/blk-mq-sched.c:307 blk_mq_sched_dispatch_requests+0xd8/0x1b0 block/blk-mq-sched.c:329 blk_mq_run_hw_queue+0x349/0x670 block/blk-mq.c:2367 blk_mq_dispatch_list+0x514/0x1310 block/blk-mq.c:2928 blk_mq_flush_plug_list block/blk-mq.c:2976 [inline] blk_mq_flush_plug_list+0x130/0x600 block/blk-mq.c:2948 __blk_flush_plug+0x2c4/0x4b0 block/blk-core.c:1225 blk_finish_plug block/blk-core.c:1252 [inline] blk_finish_plug+0x53/0xa0 block/blk-core.c:1249 wb_writeback+0x9b5/0xb70 fs/fs-writeback.c:2233 wb_check_old_data_flush fs/fs-writeback.c:2301 [inline] wb_do_writeback fs/fs-writeback.c:2354 [inline] wb_workfn+0x8ca/0xbe0 fs/fs-writeback.c:2382 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3263 process_scheduled_works kernel/workqueue.c:3346 [inline] worker_thread+0x6c8/0xf10 kernel/workqueue.c:3427 kthread+0x3c5/0x780 kernel/kthread.c:463 ret_from_fork+0x675/0x7d0 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 task:syz.3.135 state:R running task stack:25304 pid:6632 tgid:6623 ppid:5837 task_flags:0x40054c flags:0x00080003 Call Trace: context_switch kernel/sched/core.c:5325 [inline] __schedule+0x1190/0x5de0 kernel/sched/core.c:6929 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7256 irqentry_exit+0x36/0x90 kernel/entry/common.c:211 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:preempt_count arch/x86/include/asm/preempt.h:27 [inline] RIP: 0010:check_kcov_mode kernel/kcov.c:183 [inline] RIP: 0010:write_comp_data+0x11/0x90 kernel/kcov.c:246 Code: a9 09 0f 1f 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 49 89 d2 49 89 f8 49 89 f1 65 48 8b 15 27 5e e7 11 <65> 8b 05 38 5e e7 11 a9 00 01 ff 00 74 1d f6 c4 01 74 67 a9 00 00 RSP: 0018:ffffc9000b217438 EFLAGS: 00000293 RAX: 0000000000000000 RBX: ffff88801dda2840 RCX: ffffffff822e5d9f RDX: ffff888026b89e40 RSI: 000000000000001f RDI: 0000000000000003 RBP: 0000000000000014 R08: 0000000000000003 R09: 000000000000001f R10: 0000000000000005 R11: 0000000000000001 R12: 0000000002a602a7 R13: 0000000000000020 R14: 00000000000553b4 R15: 0000000000000005 __update_page_owner_free_handle.constprop.0+0x12f/0x4a0 mm/page_owner.c:272 __reset_page_owner+0x93/0x1a0 mm/page_owner.c:309 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1394 [inline] free_unref_folios+0xa31/0x1610 mm/page_alloc.c:2963 folios_put_refs+0x4be/0x750 mm/swap.c:1002 folio_batch_release include/linux/pagevec.h:101 [inline] truncate_inode_pages_range+0x311/0xe50 mm/truncate.c:383 kill_bdev block/bdev.c:91 [inline] blkdev_flush_mapping+0xfb/0x290 block/bdev.c:712 blkdev_put_whole+0xc4/0xf0 block/bdev.c:719 bdev_release+0x47e/0x6d0 block/bdev.c:1144 blkdev_release+0x15/0x20 block/fops.c:709 __fput+0x402/0xb70 fs/file_table.c:468 task_work_run+0x150/0x240 kernel/task_work.c:227 exit_task_work include/linux/task_work.h:40 [inline] do_exit+0x86f/0x2bf0 kernel/exit.c:966 do_group_exit+0xd3/0x2a0 kernel/exit.c:1107 get_signal+0x2671/0x26d0 kernel/signal.c:3034 arch_do_signal_or_restart+0x8f/0x790 arch/x86/kernel/signal.c:337 exit_to_user_mode_loop+0x85/0x130 kernel/entry/common.c:40 exit_to_user_mode_prepare include/linux/irq-entry-common.h:225 [inline] syscall_exit_to_user_mode_work include/linux/entry-common.h:175 [inline] syscall_exit_to_user_mode include/linux/entry-common.h:210 [inline] do_syscall_64+0x426/0xfa0 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fdbdd58efc9 RSP: 002b:00007fdbde49f038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c RAX: 0000000000000000 RBX: 00007fdbdd7e6270 RCX: 00007fdbdd58efc9 RDX: 0000000000000015 RSI: 00000000002003f2 RDI: 0000000000000000 RBP: 00007fdbdd611f91 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fdbdd7e6308 R14: 00007fdbdd7e6270 R15: 00007ffe0f700738 net_ratelimit: 14430 callbacks suppressed 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:1e:e4:39:87:5c:31, 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:1e:e4:39:87:5c:31, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) sched: DL replenish lagged too much net_ratelimit: 15054 callbacks suppressed 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:1e:e4:39:87:5c:31, 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:1e:e4:39:87:5c:31, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)