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): P26627/1:b..l rcu: (detected by 1, t=10503 jiffies, g=196709, q=2258 ncpus=2) task:syz.0.6070 state:R running task stack:25152 pid:26627 tgid:26627 ppid:20968 task_flags:0x400040 flags:0x00080002 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1585/0x5340 kernel/sched/core.c:6907 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7234 irqentry_exit+0x599/0x620 kernel/entry/common.c:239 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_release+0x2d7/0x3d0 kernel/locking/lockdep.c:5893 Code: 85 9f 11 00 00 00 00 eb b5 e8 b5 f2 16 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 35 40 9f 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 1a d9 19 0a cc 48 8d 3d a2 df 94 RSP: 0018:ffffc900063f7320 EFLAGS: 00000282 RAX: 1bc71e0399978f00 RBX: 0000000000000202 RCX: 0000000000000046 RDX: 0000000000000002 RSI: ffffffff8e2832c1 RDI: ffffffff8c29bf80 RBP: ffff88805e236628 R08: ffff88801e46bdf7 R09: 1ffff11003c8d7be R10: dffffc0000000000 R11: ffffed1003c8d7bf R12: 0000000000000002 R13: 0000000000000002 R14: ffffffff8e9602e0 R15: ffff88805e235ac0 rcu_lock_release include/linux/rcupdate.h:322 [inline] rcu_read_unlock include/linux/rcupdate.h:881 [inline] __update_page_owner_free_handle+0x451/0x470 mm/page_owner.c:295 __reset_page_owner+0x85/0x1f0 mm/page_owner.c:321 reset_page_owner include/linux/page_owner.h:25 [inline] __free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978 __slab_free+0x263/0x2b0 mm/slub.c:5532 qlink_free mm/kasan/quarantine.c:163 [inline] qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4501 [inline] slab_alloc_node mm/slub.c:4830 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4837 mt_alloc_one lib/maple_tree.c:174 [inline] mas_alloc_nodes+0x291/0x350 lib/maple_tree.c:1110 mas_preallocate+0x2d6/0x640 lib/maple_tree.c:5194 vma_iter_prealloc mm/vma.h:568 [inline] __split_vma+0x318/0xa40 mm/vma.c:526 split_vma mm/vma.c:596 [inline] vma_modify+0x91b/0x2060 mm/vma.c:1672 vma_modify_flags+0x24b/0x330 mm/vma.c:1700 mprotect_fixup+0x47a/0xa80 mm/mprotect.c:756 do_mprotect_pkey+0x8ab/0xcd0 mm/mprotect.c:930 __do_sys_mprotect mm/mprotect.c:951 [inline] __se_sys_mprotect mm/mprotect.c:948 [inline] __x64_sys_mprotect+0x80/0x90 mm/mprotect.c:948 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f553f19bd77 RSP: 002b:00007ffe84f8f1b8 EFLAGS: 00000206 ORIG_RAX: 000000000000000a RAX: ffffffffffffffda RBX: 00007f55400f56c0 RCX: 00007f553f19bd77 RDX: 0000000000000003 RSI: 0000000000020000 RDI: 00007f55400d6000 RBP: 0000000000000000 R08: 00000000ffffffff R09: 0000000000000000 R10: 0000000000021000 R11: 0000000000000206 R12: 00007ffe84f8f310 R13: ffffffffffffffc0 R14: 0000000000001000 R15: 0000000000000000 net_ratelimit: 7587 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:62:65:24:b2:08:f8, 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:62:65:24:b2:08:f8, 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:62:65:24:b2:08:f8, 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:62:65:24:b2:08:f8, 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:62:65:24:b2:08:f8, vlan:0) bridge0: received packet on bridge_slave_0 with own address as source address (addr:aa:aa:aa:aa:aa:1b, vlan:0)