bridge0: received packet on veth0_to_bridge with own address as source address (addr:56:cf:c5:58:7d:34, vlan:0) ------------[ cut here ]------------ workqueue: cannot queue hci_cmd_timeout on wq hci0 WARNING: kernel/workqueue.c:2252 at __queue_work+0xd1f/0xf90 kernel/workqueue.c:2250, CPU#0: syz-executor/18183 Modules linked in: CPU: 0 UID: 0 PID: 18183 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/24/2026 RIP: 0010:__queue_work+0xd4a/0xf90 kernel/workqueue.c:2250 Code: 83 c5 18 4c 89 e8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ef e8 e7 81 a0 00 49 8b 75 00 49 81 c7 78 01 00 00 4c 89 f7 4c 89 fa <67> 48 0f b9 3a 48 83 c4 58 5b 41 5c 41 5d 41 5e 41 5f 5d e9 8e a1 RSP: 0018:ffffc90000007c10 EFLAGS: 00010086 RAX: 1ffff11009bbe951 RBX: 0000000000000008 RCX: ffff888054c40000 RDX: ffff88807b920978 RSI: ffffffff8a8b6380 RDI: ffffffff8ff203d0 RBP: 0000000000000100 R08: ffffffff8fef1a77 R09: 1ffffffff1fde34e R10: dffffc0000000000 R11: ffffffff818c47d0 R12: dffffc0000000000 R13: ffff88804ddf4a88 R14: ffffffff8ff203d0 R15: ffff88807b920978 FS: 0000555578b83500(0000) GS:ffff8881256f5000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055af6d994950 CR3: 000000004db66000 CR4: 00000000003526f0 Call Trace: call_timer_fn+0x192/0x5a0 kernel/time/timer.c:1748 expire_timers kernel/time/timer.c:1794 [inline] __run_timers kernel/time/timer.c:2373 [inline] __run_timer_base+0x67e/0x8b0 kernel/time/timer.c:2385 run_timer_base kernel/time/timer.c:2394 [inline] run_timer_softirq+0xb7/0x170 kernel/time/timer.c:2404 handle_softirqs+0x22a/0x7c0 kernel/softirq.c:622 __do_softirq kernel/softirq.c:656 [inline] invoke_softirq kernel/softirq.c:496 [inline] __irq_exit_rcu+0x5f/0x150 kernel/softirq.c:723 irq_exit_rcu+0x9/0x30 kernel/softirq.c:739 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1056 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1056 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697 RIP: 0010:lock_acquire+0x221/0x330 kernel/locking/lockdep.c:5872 Code: ff ff ff e8 41 b0 f6 09 f7 44 24 08 00 02 00 00 0f 84 3a ff ff ff 65 48 8b 05 2b 61 52 11 48 3b 44 24 58 75 33 fb 48 83 c4 60 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 50 94 f9 09 cc 48 8d 3d 38 12 52 RSP: 0018:ffffc90002f17c78 EFLAGS: 00000286 RAX: ed256dd8bf1f1f00 RBX: 0000000000000000 RCX: 0000000000000046 RDX: 00000000c3c29700 RSI: ffffffff8df34241 RDI: ffffffff8c073980 RBP: ffffffff821e785c R08: ffffffff821e785c R09: ffffffff8e690fe0 R10: ffff8880559df988 R11: ffffed100ab3bf33 R12: 0000000000000000 R13: ffffffff8e690fe0 R14: 0000000000000001 R15: 0000000000000246 fs_reclaim_acquire+0x98/0x100 mm/page_alloc.c:4348 might_alloc include/linux/sched/mm.h:317 [inline] slab_pre_alloc_hook mm/slub.c:4904 [inline] slab_alloc_node mm/slub.c:5239 [inline] kmem_cache_alloc_noprof+0x45/0x6e0 mm/slub.c:5270 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:2885 [inline] alloc_inode+0x82/0x1b0 fs/inode.c:353 new_inode_pseudo include/linux/fs.h:2966 [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+0xe2/0xf80 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fd16559c747 Code: f0 ff ff 77 06 c3 0f 1f 44 00 00 48 c7 c2 e8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 29 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe57dc8e08 EFLAGS: 00000202 ORIG_RAX: 0000000000000029 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd16559c747 RDX: 0000000000000006 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007ffe57dc953c R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 00007fd1657e1e60 R13: 00000000000927c0 R14: 0000000000074cc1 R15: 00007fd1657e4020 ---------------- Code disassembly (best guess): 0: 83 c5 18 add $0x18,%ebp 3: 4c 89 e8 mov %r13,%rax 6: 48 c1 e8 03 shr $0x3,%rax a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) f: 74 08 je 0x19 11: 4c 89 ef mov %r13,%rdi 14: e8 e7 81 a0 00 call 0xa08200 19: 49 8b 75 00 mov 0x0(%r13),%rsi 1d: 49 81 c7 78 01 00 00 add $0x178,%r15 24: 4c 89 f7 mov %r14,%rdi 27: 4c 89 fa mov %r15,%rdx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 83 c4 58 add $0x58,%rsp 33: 5b pop %rbx 34: 41 5c pop %r12 36: 41 5d pop %r13 38: 41 5e pop %r14 3a: 41 5f pop %r15 3c: 5d pop %rbp 3d: e9 .byte 0xe9 3e: 8e .byte 0x8e 3f: a1 .byte 0xa1