bridge0: received packet on veth0_to_bridge with own address as source address (addr:a2:6b:f6:99:b6:df, vlan:0) 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): P9556/1:b..l rcu: (detected by 0, t=10502 jiffies, g=45541, q=1900 ncpus=1) task:syz.2.670 state:R running task stack:27520 pid:9556 tgid:9551 ppid:5826 task_flags:0x20400040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0xfee/0x6120 kernel/sched/core.c:6911 preempt_schedule_irq+0x50/0x90 kernel/sched/core.c:7238 irqentry_exit+0x17b/0x670 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_release+0x19e/0x320 kernel/locking/lockdep.c:5893 Code: ff 65 0f c1 05 cb 4f 29 12 83 f8 01 0f 85 3d 01 00 00 9c 58 f6 c4 02 0f 85 28 01 00 00 41 f7 c6 00 02 00 00 0f 85 de 00 00 00 <48> 8b 44 24 10 65 48 2b 05 1d 08 29 12 0f 85 63 01 00 00 48 83 c4 RSP: 0018:ffffc90004caf338 EFLAGS: 00000206 RAX: 0000000000000046 RBX: ffffffff8e7e7660 RCX: ffffc90004caf344 RDX: 0000000000000000 RSI: ffffffff8de5a1bd RDI: ffffffff8c1b0aa0 RBP: ffffffff81b7b2fe R08: 0000000000000001 R09: 0000000000000007 R10: 0000000000000200 R11: 00000000000167f9 R12: ffff888029e6bd00 R13: ffffc90004caf3f0 R14: 0000000000000202 R15: 0000000000000001 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0x3c3/0x1ea0 arch/x86/kernel/unwind_orc.c:495 arch_stack_walk+0x94/0xf0 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0x8e/0xc0 kernel/stacktrace.c:122 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57 kasan_save_track+0x14/0x30 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x89/0x90 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4538 [inline] slab_alloc_node mm/slub.c:4866 [inline] kmem_cache_alloc_noprof+0x241/0x6e0 mm/slub.c:4873 mempool_alloc_noprof+0x1b7/0x310 mm/mempool.c:566 bio_alloc_bioset+0x392/0x850 block/bio.c:598 bio_alloc include/linux/bio.h:368 [inline] submit_bh_wbc+0x250/0x770 fs/buffer.c:2801 __block_write_full_folio+0x77f/0xee0 fs/buffer.c:1930 block_write_full_folio+0x3b5/0x4e0 fs/buffer.c:2750 blkdev_writepages+0xc7/0x150 block/fops.c:486 do_writepages+0x278/0x600 mm/page-writeback.c:2554 filemap_writeback+0x22d/0x2e0 mm/filemap.c:387 filemap_fdatawrite_range mm/filemap.c:412 [inline] file_write_and_wait_range+0xcd/0x140 mm/filemap.c:786 blkdev_fsync+0x6c/0xd0 block/fops.c:619 vfs_fsync_range fs/sync.c:186 [inline] vfs_fsync fs/sync.c:200 [inline] do_fsync+0xbf/0x220 fs/sync.c:211 __do_sys_fdatasync fs/sync.c:221 [inline] __se_sys_fdatasync fs/sync.c:219 [inline] __x64_sys_fdatasync+0x35/0x50 fs/sync.c:219 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x106/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fcd6659c799 RSP: 002b:00007fcd67432028 EFLAGS: 00000246 ORIG_RAX: 000000000000004b RAX: ffffffffffffffda RBX: 00007fcd66816270 RCX: 00007fcd6659c799 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007fcd66632c99 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fcd66816308 R14: 00007fcd66816270 R15: 00007ffc202bf618 net_ratelimit: 8246 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:a2:6b:f6:99:b6:df, 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:a2:6b:f6:99:b6:df, 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:a2:6b:f6:99:b6:df, 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: 9090 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:a2:6b:f6:99:b6:df, 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:a2:6b:f6:99:b6:df, 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:a2:6b:f6:99:b6:df, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:0c, vlan:0)