------------[ cut here ]------------ WARNING: CPU: 0 PID: 4351 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x64d/0x740 Modules linked in: CPU: 0 PID: 4351 Comm: kworker/0:23 Not tainted 5.15.170-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events pwq_unbound_release_workfn RIP: 0010:inet_sock_destruct+0x64d/0x740 net/ipv4/af_inet.c:157 Code: 01 e8 b7 f8 99 f8 0f 0b e9 61 fe ff ff e8 ab f8 99 f8 0f 0b e9 96 fe ff ff e8 9f f8 99 f8 0f 0b e9 be fe ff ff e8 93 f8 99 f8 <0f> 0b e9 e6 fe ff ff 89 d9 80 e1 07 fe c1 38 c1 0f 8c 5b fd ff ff RSP: 0018:ffffc90000007b68 EFLAGS: 00010246 RAX: ffffffff88e67b2d RBX: 0000000000000100 RCX: ffff88802a609dc0 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000007 R08: ffffffff88e67a0d R09: ffffed10299949e0 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88814cca4c80 R13: ffff88814cca5188 R14: dffffc0000000000 R15: ffff88814cca4c92 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fa96070d870 CR3: 0000000064c5c000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x54/0x840 net/core/sock.c:1955 rcu_do_batch kernel/rcu/tree.c:2523 [inline] rcu_core+0xa15/0x1650 kernel/rcu/tree.c:2763 handle_softirqs+0x3a7/0x930 kernel/softirq.c:558 __do_softirq kernel/softirq.c:592 [inline] invoke_softirq kernel/softirq.c:432 [inline] __irq_exit_rcu+0x157/0x240 kernel/softirq.c:641 irq_exit_rcu+0x5/0x20 kernel/softirq.c:653 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:lockdep_unregister_key+0x54e/0x5c0 kernel/locking/lockdep.c:6331 Code: 00 00 00 0f 85 8b 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 df 11 d1 08 41 f7 c4 00 02 00 00 74 86 fb 45 84 f6 <75> 85 eb 96 0f 0b 45 31 f6 e9 1a ff ff ff 0f 0b e9 5a fe ff ff 0f RSP: 0018:ffffc900046afb40 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 1ffff920008d5f70 RCX: ffffffff96869f03 RDX: 0000000000000001 RSI: ffffffff8a8b3880 RDI: ffffffff8ad90480 RBP: ffffc900046afc08 R08: dffffc0000000000 R09: fffffbfff20e280e R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000a06 R13: 1ffff920008d5f6c R14: 0000000000000000 R15: ffffc900046afb80 wq_unregister_lockdep kernel/workqueue.c:3518 [inline] pwq_unbound_release_workfn+0x23d/0x290 kernel/workqueue.c:3756 process_one_work+0x8a1/0x10c0 kernel/workqueue.c:2310 worker_thread+0xaca/0x1280 kernel/workqueue.c:2457 kthread+0x3f6/0x4f0 kernel/kthread.c:334 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287 ---------------- Code disassembly (best guess): 0: 00 00 add %al,(%rax) 2: 00 0f add %cl,(%rdi) 4: 85 8b 00 00 00 48 test %ecx,0x48000000(%rbx) a: 8d 65 d8 lea -0x28(%rbp),%esp d: 5b pop %rbx e: 41 5c pop %r12 10: 41 5d pop %r13 12: 41 5e pop %r14 14: 41 5f pop %r15 16: 5d pop %rbp 17: c3 ret 18: e8 df 11 d1 08 call 0x8d111fc 1d: 41 f7 c4 00 02 00 00 test $0x200,%r12d 24: 74 86 je 0xffffffac 26: fb sti 27: 45 84 f6 test %r14b,%r14b * 2a: 75 85 jne 0xffffffb1 <-- trapping instruction 2c: eb 96 jmp 0xffffffc4 2e: 0f 0b ud2 30: 45 31 f6 xor %r14d,%r14d 33: e9 1a ff ff ff jmp 0xffffff52 38: 0f 0b ud2 3a: e9 5a fe ff ff jmp 0xfffffe99 3f: 0f .byte 0xf