bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P1728/1:b..l rcu: (detected by 1, t=10003 jiffies, g=1797, q=1038 ncpus=2) task:syz-executor state:R running task stack:0 pid:1728 tgid:1728 ppid:281 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:5947 [inline] __schedule+0x132b/0x1e00 kernel/sched/core.c:7775 preempt_schedule_irq+0x9c/0x100 kernel/sched/core.c:8101 raw_irqentry_exit_cond_resched+0x33/0x40 kernel/entry/common.c:311 irqentry_exit+0x4a/0x60 kernel/entry/common.c:354 sysvec_apic_timer_interrupt+0x50/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0010:rol32 include/linux/bitops.h:127 [inline] RIP: 0010:jhash2 include/linux/jhash.h:129 [inline] RIP: 0010:hash_stack lib/stackdepot.c:514 [inline] RIP: 0010:stack_depot_save_flags+0x9a/0x800 lib/stackdepot.c:614 Code: e1 4c 89 f2 03 0a 03 42 04 44 03 62 08 44 89 e7 c1 c7 04 44 29 e1 31 cf 41 01 c4 29 f8 41 89 f8 41 c1 c0 06 41 31 c0 44 01 e7 <45> 89 c1 41 c1 c1 08 45 29 c4 45 31 e1 41 01 f8 44 29 cf 44 89 c9 RSP: 0018:ffffc9000160f3c0 EFLAGS: 00000296 RAX: 00000000bb729cd1 RBX: 0000000000002800 RCX: 0000000065d54e18 RDX: ffffc9000160f4ec RSI: 0000000000000005 RDI: 00000000fb5c07f0 RBP: ffffc9000160f420 R08: 00000000baf426f7 R09: 00000000b214c9e5 R10: 0000000000000010 R11: ffffffff81740900 R12: 000000006355ed08 R13: 1ffff920002c1e8c R14: ffffc9000160f480 R15: 1ffff11023c657e0 stack_depot_save+0x12/0x20 lib/stackdepot.c:686 save_stack+0x106/0x1f0 mm/page_owner.c:175 __reset_page_owner+0x79/0x450 mm/page_owner.c:315 reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1321 [inline] free_unref_page+0xae5/0xdd0 mm/page_alloc.c:2810 __free_pages+0x6b/0x3b0 mm/page_alloc.c:5273 __free_slab+0xb6/0x110 mm/slub.c:2726 free_slab+0x18/0xf0 mm/slub.c:2749 discard_slab mm/slub.c:2755 [inline] __put_partials+0x11b/0x150 mm/slub.c:3224 put_cpu_partial+0x91/0xc0 mm/slub.c:3299 __slab_free+0x1d3/0x2b0 mm/slub.c:4532 do_slab_free mm/slub.c:4614 [inline] ___cache_free+0xc9/0xe0 mm/slub.c:4725 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0xb5/0x130 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x14f/0x180 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x28/0x90 mm/kasan/common.c:329 kasan_slab_alloc include/linux/kasan.h:250 [inline] slab_post_alloc_hook mm/slub.c:4164 [inline] slab_alloc_node mm/slub.c:4213 [inline] kmem_cache_alloc_noprof+0x131/0x3a0 mm/slub.c:4222 alloc_empty_file+0xbf/0x280 fs/file_table.c:209 path_openat+0xf8/0x34b0 fs/namei.c:3919 do_filp_open+0x1c6/0x3e0 fs/namei.c:3960 do_sys_openat2+0x12c/0x1c0 fs/open.c:1438 do_sys_open fs/open.c:1453 [inline] __do_sys_openat fs/open.c:1469 [inline] __se_sys_openat fs/open.c:1464 [inline] __x64_sys_openat+0x13a/0x170 fs/open.c:1464 x64_sys_call+0xe69/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:258 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0x58/0xf0 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f17fb38d211 RSP: 002b:00007ffd74bf4cc0 EFLAGS: 00000202 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f17fb38d211 RDX: 0000000000000002 RSI: 00007f17fb410bde RDI: 00000000ffffff9c RBP: 00007f17fb410bde R08: 00000000000000da R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000001 R13: 0000000000000003 R14: 0000000000000009 R15: 0000000000000000 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: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 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 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: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 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)