bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: Tasks blocked on level-0 rcu_node (CPUs 0-1): P27870/1:b..l rcu: (detected by 1, t=10503 jiffies, g=160141, q=1599 ncpus=2) task:syz-executor state:R running task stack:22640 pid:27870 tgid:27870 ppid:27856 task_flags:0x400140 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5295 [inline] __schedule+0x1568/0x5290 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:debug_lockdep_rcu_enabled+0xd/0x40 kernel/rcu/update.c:320 Code: 8d 67 48 0f b9 3a 90 eb ca cc cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 31 c0 83 3d 73 39 72 04 00 <74> 1d 83 3d aa 6a 72 04 00 74 14 65 48 8b 0d e8 a7 78 07 31 c0 83 RSP: 0018:ffffc9000f807790 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffffffff90b31001 RCX: ffffc9000f807b30 RDX: ffffc9000f807801 RSI: dffffc0000000000 RDI: ffffc9000f807870 RBP: dffffc0000000000 R08: ffffc9000f807b18 R09: 0000000000000000 R10: ffffc9000f8078b8 R11: fffff52001f00f19 R12: ffffc9000f807b28 R13: ffffc9000f800000 R14: ffffc9000f807868 R15: ffffffff81759275 rcu_read_unlock include/linux/rcupdate.h:879 [inline] class_rcu_destructor include/linux/rcupdate.h:1193 [inline] unwind_next_frame+0x1a5d/0x23c0 arch/x86/kernel/unwind_orc.c:695 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 save_stack+0x122/0x230 mm/page_owner.c:165 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320 reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1433 [inline] __free_frozen_pages+0xbf8/0xd70 mm/page_alloc.c:2973 __slab_free+0x263/0x2b0 mm/slub.c:5490 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:4459 [inline] slab_alloc_node mm/slub.c:4788 [inline] kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4795 lsm_inode_alloc security/security.c:228 [inline] security_inode_alloc+0x39/0x310 security/security.c:1189 inode_init_always_gfp+0x9ed/0xdc0 fs/inode.c:306 inode_init_always include/linux/fs.h:2912 [inline] alloc_inode+0x82/0x1b0 fs/inode.c:353 new_inode_pseudo include/linux/fs.h:2993 [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: 0033:0x7f327f99d807 RSP: 002b:00007ffd4e69cc08 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f327f99d807 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffd4e69d30c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000000000021f R13: 0000000000000063 R14: 00000000000fe25a R15: 00007ffd4e69d360 bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) net_ratelimit: 20416 callbacks suppressed bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0) bridge0: received packet on veth0_to_bridge with own address as source address (addr:26:f1:d4:b0:77:82, vlan:0)