------------[ cut here ]------------ WARNING: CPU: 1 PID: 0 at net/ipv4/af_inet.c:157 inet_sock_destruct+0x681/0x790 net/ipv4/af_inet.c:157 Modules linked in: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.12.30-syzkaller-ge2bf362ee23b #0 e1c904518e9113895a28c59b25a6002cdacb68bf Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:inet_sock_destruct+0x681/0x790 net/ipv4/af_inet.c:157 Code: a3 e8 d3 e6 c8 fc 0f 0b e9 53 fe ff ff e8 c7 e6 c8 fc 0f 0b e9 92 fe ff ff e8 bb e6 c8 fc 0f 0b e9 c4 fe ff ff e8 af e6 c8 fc <0f> 0b e9 f6 fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 65 fc ff RSP: 0018:ffffc90000230620 EFLAGS: 00010246 RAX: ffffffff84bcbc81 RBX: 0000000080000000 RCX: ffff88810366cc00 RDX: 0000000000000100 RSI: 0000000080000000 RDI: 0000000000000000 RBP: ffffc90000230668 R08: ffff888132ad8b7f R09: 1ffff1102655b16f R10: dffffc0000000000 R11: ffffed102655b170 R12: ffff888132ad8a00 R13: ffff888132ad8a00 R14: ffff888132ad8b64 R15: 1ffff1102655b142 FS: 0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000020000000000c CR3: 00000001160f8000 CR4: 00000000003526b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x68/0x6a0 net/core/sock.c:2277 sk_destruct net/core/sock.c:2325 [inline] __sk_free+0x313/0x410 net/core/sock.c:2336 sk_free+0x58/0xb0 net/core/sock.c:2347 sock_put include/net/sock.h:1942 [inline] tcp_v4_rcv+0x2996/0x3370 net/ipv4/tcp_ipv4.c:2363 ip_protocol_deliver_rcu+0x1ca/0x390 net/ipv4/ip_input.c:205 ip_local_deliver_finish+0x28a/0x480 net/ipv4/ip_input.c:233 NF_HOOK include/linux/netfilter.h:317 [inline] ip_local_deliver+0x1dc/0x330 net/ipv4/ip_input.c:254 dst_input include/net/dst.h:469 [inline] ip_rcv_finish net/ipv4/ip_input.c:449 [inline] NF_HOOK include/linux/netfilter.h:317 [inline] ip_rcv+0x1c3/0x2d0 net/ipv4/ip_input.c:569 __netif_receive_skb_one_core net/core/dev.c:5757 [inline] __netif_receive_skb net/core/dev.c:5870 [inline] process_backlog+0x507/0xae0 net/core/dev.c:6202 __napi_poll+0xd3/0x610 net/core/dev.c:6853 napi_poll net/core/dev.c:6922 [inline] net_rx_action+0x584/0xce0 net/core/dev.c:7044 handle_softirqs+0x1ae/0x630 kernel/softirq.c:603 __do_softirq kernel/softirq.c:641 [inline] invoke_softirq kernel/softirq.c:458 [inline] __irq_exit_rcu+0x48/0xc0 kernel/softirq.c:690 irq_exit_rcu+0xd/0x30 kernel/softirq.c:702 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline] sysvec_apic_timer_interrupt+0x82/0x90 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1f/0x30 arch/x86/include/asm/idtentry.h:702 RIP: 0010:pv_native_safe_halt+0x17/0x20 arch/x86/kernel/paravirt.c:106 Code: cc cc cc b8 53 ae 7a ec 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d 73 bc 41 00 f3 0f 1e fa 55 48 89 e5 fb f4 <5d> e9 c3 59 02 00 cc cc cc b8 00 00 00 00 90 90 90 90 90 90 90 90 RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c6 RAX: ffff8881f6f00000 RBX: ffff88810366cc00 RCX: ffffffff8585900e RDX: 0000000000000001 RSI: 0000000000000004 RDI: 00000000000d58a4 RBP: ffffc900001a7e00 R08: ffff8881f6f39733 R09: 1ffff1103ede72e6 R10: dffffc0000000000 R11: ffffed103ede72e7 R12: 1ffff110206cd980 R13: 0000000000000001 R14: 0000000000000000 R15: ffffffff87ca73a8 arch_safe_halt arch/x86/include/asm/paravirt.h:112 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:748 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:785 default_idle_call+0x3f/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x1a0/0x470 kernel/sched/idle.c:326 cpu_startup_entry+0x48/0x70 kernel/sched/idle.c:424 start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13b/0x157 ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: cc int3 1: cc int3 2: cc int3 3: b8 53 ae 7a ec mov $0xec7aae53,%eax 8: 90 nop 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: f3 0f 1e fa endbr64 17: 66 90 xchg %ax,%ax 19: 0f 00 2d 73 bc 41 00 verw 0x41bc73(%rip) # 0x41bc93 20: f3 0f 1e fa endbr64 24: 55 push %rbp 25: 48 89 e5 mov %rsp,%rbp 28: fb sti 29: f4 hlt * 2a: 5d pop %rbp <-- trapping instruction 2b: e9 c3 59 02 00 jmp 0x259f3 30: cc int3 31: cc int3 32: cc int3 33: b8 00 00 00 00 mov $0x0,%eax 38: 90 nop 39: 90 nop 3a: 90 nop 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop