------------[ cut here ]------------ WARNING: CPU: 2 PID: 0 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x684/0x830 net/ipv4/af_inet.c:156 Modules linked in: CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 6.17.0-rc1-syzkaller-00016-g8742b2d8935f #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:inet_sock_destruct+0x684/0x830 net/ipv4/af_inet.c:156 Code: 0f 0b 90 e9 12 fe ff ff e8 59 e9 a8 f7 90 0f 0b 90 e9 5e fe ff ff e8 4b e9 a8 f7 90 0f 0b 90 e9 94 fe ff ff e8 3d e9 a8 f7 90 <0f> 0b 90 e9 d3 fe ff ff e8 2f 41 0f f8 e9 d7 fc ff ff 4c 89 ff e8 RSP: 0018:ffffc90000648d90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888052348d80 RCX: ffffffff8a12a8b7 RDX: ffff88801debc880 RSI: ffffffff8a12a9e3 RDI: 0000000000000005 RBP: 0000000000000fdd R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000fdd R11: 0000000000000000 R12: ffff888052348d80 R13: ffff888052348e10 R14: ffffc90000648e90 R15: 0000000000000002 FS: 0000000000000000(0000) GS:ffff8880d68bc000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055556d514808 CR3: 0000000033c96000 CR4: 0000000000352ef0 Call Trace: __sk_destruct+0x84/0x9a0 net/core/sock.c:2339 rcu_do_batch kernel/rcu/tree.c:2605 [inline] rcu_core+0x79c/0x1530 kernel/rcu/tree.c:2861 handle_softirqs+0x216/0x8e0 kernel/softirq.c:579 __do_softirq kernel/softirq.c:613 [inline] invoke_softirq kernel/softirq.c:453 [inline] __irq_exit_rcu+0x109/0x170 kernel/softirq.c:680 irq_exit_rcu+0x9/0x30 kernel/softirq.c:696 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1050 [inline] sysvec_apic_timer_interrupt+0xa4/0xc0 arch/x86/kernel/apic/apic.c:1050 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:pv_native_safe_halt+0xf/0x20 arch/x86/kernel/paravirt.c:82 Code: ac 62 02 c3 cc cc cc cc 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa eb 07 0f 00 2d d3 c2 16 00 fb f4 4c 0d 03 00 66 2e 0f 1f 84 00 00 00 00 00 66 90 90 90 90 90 90 RSP: 0018:ffffc90000187df8 EFLAGS: 00000282 RAX: 000000000007dd2f RBX: 0000000000000002 RCX: ffffffff8b934c29 RDX: 0000000000000000 RSI: ffffffff8de4f1fd RDI: ffffffff8c162500 RBP: ffffed1003bd7910 R08: 0000000000000001 R09: ffffed100d4c6655 R10: ffff88806a6332ab R11: 0000000000000000 R12: 0000000000000002 R13: ffff88801debc880 R14: ffffffff90ab3690 R15: 0000000000000000 arch_safe_halt arch/x86/include/asm/paravirt.h:107 [inline] default_idle+0x13/0x20 arch/x86/kernel/process.c:757 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:122 cpuidle_idle_call kernel/sched/idle.c:190 [inline] do_idle+0x391/0x510 kernel/sched/idle.c:330 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:428 start_secondary+0x21d/0x2b0 arch/x86/kernel/smpboot.c:315 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess), 2 bytes skipped: 0: 02 c3 add %bl,%al 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: 0f 1f 00 nopl (%rax) 9: 90 nop a: 90 nop b: 90 nop c: 90 nop d: 90 nop e: 90 nop f: 90 nop 10: 90 nop 11: 90 nop 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: f3 0f 1e fa endbr64 1d: eb 07 jmp 0x26 1f: 0f 00 2d d3 c2 16 00 verw 0x16c2d3(%rip) # 0x16c2f9 26: fb sti 27: f4 hlt * 28: e9 4c 0d 03 00 jmp 0x30d79 <-- trapping instruction 2d: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 34: 00 00 00 37: 66 90 xchg %ax,%ax 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop