bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:96:2e:63:0b:69, vlan:0) 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): P21578/1:b..l rcu: (detected by 0, t=10502 jiffies, g=126961, q=496 ncpus=1) task:syz.1.3318 state:R running task stack:25736 pid:21578 tgid:21577 ppid:17202 task_flags:0x400140 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5392 [inline] __schedule+0x116a/0x5de0 kernel/sched/core.c:6781 preempt_schedule_irq+0x51/0x90 kernel/sched/core.c:7104 irqentry_exit+0x36/0x90 kernel/entry/common.c:307 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:on_stack arch/x86/include/asm/stacktrace.h:55 [inline] RIP: 0010:stack_access_ok+0x2c/0x200 arch/x86/kernel/unwind_orc.c:393 Code: 00 00 00 00 00 fc ff df 41 57 41 56 4c 8d 77 08 41 55 41 54 49 89 d4 4c 89 f2 55 48 c1 ea 03 48 89 f5 53 48 89 fb 48 83 ec 08 <80> 3c 02 00 0f 85 94 01 00 00 4c 8d 6b 10 4c 8b 7b 08 48 b8 00 00 RSP: 0018:ffffc9000b587338 EFLAGS: 00000292 RAX: dffffc0000000000 RBX: ffffc9000b5873e8 RCX: ffffffff9155fe44 RDX: 1ffff920016b0e7e RSI: ffffc9000b587db0 RDI: ffffc9000b5873e8 RBP: ffffc9000b587db0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000003b124 R12: 0000000000000008 R13: ffffc9000b5873e8 R14: ffffc9000b5873f0 R15: ffffc9000b58741c deref_stack_reg arch/x86/kernel/unwind_orc.c:403 [inline] unwind_next_frame+0x15c5/0x20a0 arch/x86/kernel/unwind_orc.c:648 arch_stack_walk+0x94/0x100 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x33/0x60 mm/kasan/common.c:47 kasan_save_track+0x14/0x30 mm/kasan/common.c:68 kasan_save_free_info+0x3b/0x60 mm/kasan/generic.c:576 poison_slab_object mm/kasan/common.c:247 [inline] __kasan_slab_free+0x51/0x70 mm/kasan/common.c:264 kasan_slab_free include/linux/kasan.h:233 [inline] slab_free_hook mm/slub.c:2380 [inline] slab_free mm/slub.c:4642 [inline] kmem_cache_free+0x2d1/0x4d0 mm/slub.c:4744 free_buffer_head+0x4e/0x110 fs/buffer.c:3048 try_to_free_buffers+0x1c4/0x2d0 fs/buffer.c:2989 filemap_release_folio+0x219/0x280 mm/filemap.c:4284 block_invalidate_folio+0x508/0x600 fs/buffer.c:1680 folio_invalidate mm/truncate.c:140 [inline] truncate_cleanup_folio+0x2f3/0x490 mm/truncate.c:160 truncate_inode_pages_range+0x24e/0xe30 mm/truncate.c:379 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:684 __fput+0x402/0xb70 fs/file_table.c:465 task_work_run+0x150/0x240 kernel/task_work.c:227 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop+0xeb/0x110 kernel/entry/common.c:114 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+0x3f6/0x490 arch/x86/entry/syscall_64.c:100 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fab94d8e969 RSP: 002b:00007fab95b88038 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007fab94fb5fa0 RCX: 00007fab94d8e969 RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000002 RBP: 00007fab94e10ab1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fab94fb5fa0 R15: 00007fff9e0d7e68 net_ratelimit: 8218 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:96:2e:63:0b:69, 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: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:ce:96:2e:63:0b:69, 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: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:ce:96:2e:63:0b:69, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0) net_ratelimit: 9282 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:ce:96:2e:63:0b:69, 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: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:ce:96:2e:63:0b:69, 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: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:ce:96:2e:63:0b:69, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)