------------[ cut here ]------------ WARNING: CPU: 0 PID: 3629 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x64d/0x740 Modules linked in: CPU: 0 PID: 3629 Comm: kworker/u4:5 Not tainted 5.15.168-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Workqueue: events_unbound linkwatch_event RIP: 0010:inet_sock_destruct+0x64d/0x740 net/ipv4/af_inet.c:157 Code: 01 e8 f7 b8 99 f8 0f 0b e9 61 fe ff ff e8 eb b8 99 f8 0f 0b e9 96 fe ff ff e8 df b8 99 f8 0f 0b e9 be fe ff ff e8 d3 b8 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: ffffffff88e6ba5d RBX: 0000000000000100 RCX: ffff888026aabb80 RDX: 0000000000000100 RSI: 0000000000000100 RDI: 0000000000000000 RBP: 0000000000000007 R08: ffffffff88e6b93d R09: ffffed100f406d10 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88807a036600 R13: ffff88807a036b08 R14: dffffc0000000000 R15: ffff88807a036612 FS: 0000000000000000(0000) GS:ffff8880b9000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ffcaacc9fe8 CR3: 0000000062a7b000 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:1096 [inline] sysvec_apic_timer_interrupt+0xa0/0xc0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:console_unlock+0xe53/0x12b0 kernel/printk/printk.c:2749 Code: 00 48 83 7c 24 18 00 75 19 e8 c9 05 1a 00 eb 18 e8 c2 05 1a 00 e8 4d e1 cd 08 48 83 7c 24 18 00 74 e7 e8 b0 05 1a 00 fb 31 ff <44> 89 f6 e8 05 09 1a 00 31 db 45 85 f6 0f 95 c0 89 c1 0a 4c 24 17 RSP: 0018:ffffc90003127620 EFLAGS: 00000246 RAX: ffffffff81666d80 RBX: 0000000000000000 RCX: ffff888026aabb80 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffffc900031278b0 R08: ffffffff81666d4b R09: fffffbfff20ec621 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1a4c62e R13: ffffffff8d2631a8 R14: 0000000000000000 R15: dffffc0000000000 vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2274 _printk+0xd1/0x120 kernel/printk/printk.c:2299 addrconf_notify+0xa80/0xf30 net/ipv6/addrconf.c:3659 notifier_call_chain kernel/notifier.c:83 [inline] raw_notifier_call_chain+0xd0/0x170 kernel/notifier.c:391 call_netdevice_notifiers_info net/core/dev.c:2018 [inline] netdev_state_change+0x1a3/0x250 net/core/dev.c:1409 linkwatch_do_dev+0x10c/0x160 net/core/link_watch.c:167 __linkwatch_run_queue+0x4ca/0x7f0 net/core/link_watch.c:213 linkwatch_event+0x48/0x50 net/core/link_watch.c:252 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 48 83 add %cl,-0x7d(%rax) 3: 7c 24 jl 0x29 5: 18 00 sbb %al,(%rax) 7: 75 19 jne 0x22 9: e8 c9 05 1a 00 call 0x1a05d7 e: eb 18 jmp 0x28 10: e8 c2 05 1a 00 call 0x1a05d7 15: e8 4d e1 cd 08 call 0x8cde167 1a: 48 83 7c 24 18 00 cmpq $0x0,0x18(%rsp) 20: 74 e7 je 0x9 22: e8 b0 05 1a 00 call 0x1a05d7 27: fb sti 28: 31 ff xor %edi,%edi * 2a: 44 89 f6 mov %r14d,%esi <-- trapping instruction 2d: e8 05 09 1a 00 call 0x1a0937 32: 31 db xor %ebx,%ebx 34: 45 85 f6 test %r14d,%r14d 37: 0f 95 c0 setne %al 3a: 89 c1 mov %eax,%ecx 3c: 0a 4c 24 17 or 0x17(%rsp),%cl