------------[ cut here ]------------ WARNING: CPU: 0 PID: 17767 at kernel/workqueue.c:1438 __queue_work+0xda4/0xf50 Modules linked in: CPU: 0 PID: 17767 Comm: syz-executor.5 Not tainted 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 RIP: 0010:__queue_work+0xda4/0xf50 kernel/workqueue.c:1438 Code: 8b 3c 24 e8 ae 02 87 00 e9 f5 fc ff ff e8 c4 bd 30 00 89 ee 48 c7 c7 c0 5d dd 8c e8 b6 2e 06 03 e9 3a fc ff ff e8 ac bd 30 00 <0f> 0b 48 83 c4 48 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 96 bd 30 00 RSP: 0018:ffffc90000007b00 EFLAGS: 00010046 RAX: ffffffff81590724 RBX: 00000000000b0012 RCX: ffff88801fbc9dc0 RDX: 0000000000000101 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000010000 R08: ffffffff8159e995 R09: fffffbfff1ca5f7e R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 0000000000000008 R14: ffff888029052800 R15: 1ffff92000000f74 FS: 00007fb0d1db6700(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000203c4030 CR3: 000000007aa57000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 000000000000003b DR6: 00000000ffff0ff0 DR7: 0000000000000400 Call Trace: call_timer_fn+0x19e/0x6b0 kernel/time/timer.c:1474 expire_timers kernel/time/timer.c:1514 [inline] __run_timers+0x6a8/0x890 kernel/time/timer.c:1790 run_timer_softirq+0x63/0xf0 kernel/time/timer.c:1803 __do_softirq+0x2e9/0xa4c kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x155/0x240 kernel/softirq.c:650 irq_exit_rcu+0x5/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:649 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0xd4/0x130 kernel/locking/spinlock.c:194 Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 82 46 54 f7 f6 44 24 21 02 75 4e 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 37 20 d2 f6 65 8b 05 e8 ab 76 75 85 c0 74 3f 48 c7 04 24 0e 36 RSP: 0018:ffffc90003eaf5c0 EFLAGS: 00000206 RAX: cb32e65ea8739600 RBX: 1ffff920007d5ebc RCX: ffffffff816a2fda RDX: dffffc0000000000 RSI: ffffffff8aebd0a0 RDI: 0000000000000001 RBP: ffffc90003eaf650 R08: dffffc0000000000 R09: fffffbfff2050859 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: 1ffff920007d5eb8 R14: ffffc90003eaf5e0 R15: 0000000000000246 spin_unlock_irqrestore include/linux/spinlock.h:405 [inline] __wake_up_common_lock kernel/sched/wait.c:140 [inline] __wake_up_sync_key+0x121/0x1c0 kernel/sched/wait.c:208 __unix_dgram_recvmsg+0x5fe/0x1260 net/unix/af_unix.c:2478 ____sys_recvmsg+0x285/0x530 ___sys_recvmsg net/socket.c:2743 [inline] do_recvmmsg+0x46d/0xad0 net/socket.c:2837 __sys_recvmmsg net/socket.c:2916 [inline] __do_sys_recvmmsg net/socket.c:2939 [inline] __se_sys_recvmmsg net/socket.c:2932 [inline] __x64_sys_recvmmsg+0x195/0x240 net/socket.c:2932 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb0d108c169 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb0d1db6168 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007fb0d11ac050 RCX: 00007fb0d108c169 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007fb0d10e7ca1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffd0d7f37df R14: 00007fb0d1db6300 R15: 0000000000022000 ---------------- Code disassembly (best guess): 0: 9c pushfq 1: 8f 44 24 20 popq 0x20(%rsp) 5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1) a: 74 08 je 0x14 c: 4c 89 f7 mov %r14,%rdi f: e8 82 46 54 f7 callq 0xf7544696 14: f6 44 24 21 02 testb $0x2,0x21(%rsp) 19: 75 4e jne 0x69 1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d 22: 74 01 je 0x25 24: fb sti 25: bf 01 00 00 00 mov $0x1,%edi * 2a: e8 37 20 d2 f6 callq 0xf6d22066 <-- trapping instruction 2f: 65 8b 05 e8 ab 76 75 mov %gs:0x7576abe8(%rip),%eax # 0x7576ac1e 36: 85 c0 test %eax,%eax 38: 74 3f je 0x79 3a: 48 rex.W 3b: c7 .byte 0xc7 3c: 04 24 add $0x24,%al 3e: 0e (bad) 3f: 36 ss