bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P16482/1:b..l rcu: (detected by 0, t=10503 jiffies, g=63065, q=1599 ncpus=2) task:syz-executor state:R running task stack:22520 pid:16482 tgid:16482 ppid:16461 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5298 [inline] __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7238 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_acquire+0x20b/0x2e0 kernel/locking/lockdep.c:5872 Code: e9 30 ff ff ff e8 85 e4 0d 0a f7 c3 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 01 02 7b 11 48 3b 44 24 30 75 33 fb 48 83 c4 38 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 3e 94 73 RSP: 0018:ffffc9000c4a7a88 EFLAGS: 00000286 RAX: 366b1fb7b7b47b00 RBX: 0000000000000246 RCX: 0000000000000046 RDX: 00000000c0065176 RSI: ffffffff8e16b62d RDI: ffffffff8c27d100 RBP: 0000000000000000 R08: ffffffff823c375a R09: ffffffff8e75e5e0 R10: dffffc0000000000 R11: ffffed10035e8410 R12: 0000000000000002 R13: ffffffff8e75e5e0 R14: 0000000000000000 R15: 0000000000000000 rcu_lock_acquire include/linux/rcupdate.h:312 [inline] rcu_read_lock include/linux/rcupdate.h:850 [inline] __page_table_check_zero+0x87/0x3e0 mm/page_table_check.c:138 page_table_check_free include/linux/page_table_check.h:46 [inline] __free_pages_prepare mm/page_alloc.c:1434 [inline] __free_frozen_pages+0xc3b/0xdb0 mm/page_alloc.c:2978 __slab_free+0x263/0x2b0 mm/slub.c:5573 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:4538 [inline] slab_alloc_node mm/slub.c:4866 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4873 lsm_inode_alloc security/security.c:229 [inline] security_inode_alloc+0x39/0x310 security/security.c:1190 inode_init_always_gfp+0x9ed/0xdc0 fs/inode.c:307 inode_init_always include/linux/fs.h:2922 [inline] alloc_inode+0x82/0x1b0 fs/inode.c:354 new_inode_pseudo include/linux/fs.h:3003 [inline] sock_alloc net/socket.c:637 [inline] __sock_create+0x12d/0x9d0 net/socket.c:1569 sock_create net/socket.c:1663 [inline] __sys_socket_create net/socket.c:1700 [inline] __sys_socket+0xd6/0x1b0 net/socket.c:1747 __do_sys_socket net/socket.c:1761 [inline] __se_sys_socket net/socket.c:1759 [inline] __x64_sys_socket+0x7a/0x90 net/socket.c:1759 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: 0033:0x7fde8bd9e087 RSP: 002b:00007ffd6a977ac8 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fde8bd9e087 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffd6a9781fc R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007fde8bfe9fc0 R13: 00000000000927c0 R14: 000000000005649c R15: 00007fde8bfec180 net_ratelimit: 18173 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:de:0b:46:fa:d5:b5, vlan:0)