------------[ cut here ]------------ WARNING: CPU: 1 PID: 0 at net/ipv4/af_inet.c:156 inet_sock_destruct+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Modules linked in: CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 6.11.0-rc6-syzkaller #0 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+0x6f6/0x8b0 net/ipv4/af_inet.c:156 Code: 0f 0b 90 e9 fa fd ff ff e8 67 e3 fb f7 90 0f 0b 90 e9 30 fe ff ff e8 59 e3 fb f7 90 0f 0b 90 e9 84 fd ff ff e8 4b e3 fb f7 90 <0f> 0b 90 e9 8f fe ff ff e8 8d a5 5a f8 e9 65 fc ff ff 48 89 ef e8 RSP: 0018:ffffc900008b0da0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88802c2bc100 RCX: ffffffff898fdb35 RDX: ffff88801d6c4880 RSI: ffffffff898fdca5 RDI: 0000000000000005 RBP: 0000000000000340 R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000340 R11: 0000000000000000 R12: ffff88802c2bc128 R13: ffff88802c2bc190 R14: 0000000000000000 R15: 0000000000000004 FS: 0000000000000000(0000) GS:ffff88806a700000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fe633a1b168 CR3: 000000002715c000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __sk_destruct+0x4d/0x720 net/core/sock.c:2191 rcu_do_batch kernel/rcu/tree.c:2569 [inline] rcu_core+0x828/0x16b0 kernel/rcu/tree.c:2843 handle_softirqs+0x216/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:native_irq_disable arch/x86/include/asm/irqflags.h:37 [inline] RIP: 0010:arch_local_irq_disable arch/x86/include/asm/irqflags.h:92 [inline] RIP: 0010:default_idle+0xf/0x20 arch/x86/kernel/process.c:743 Code: 4c 01 c7 4c 29 c2 e9 72 ff ff ff 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d f3 a7 2f 00 fb f4 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 RSP: 0018:ffffc90000187e08 EFLAGS: 00000242 RAX: 000000000005eac7 RBX: 0000000000000001 RCX: ffffffff8b16dc59 RDX: 0000000000000000 RSI: ffffffff8b4cd720 RDI: ffffffff8bb0f940 RBP: ffffed1003ad8910 R08: 0000000000000001 R09: ffffed100d4e6fd9 R10: ffff88806a737ecb R11: 0000000000000000 R12: 0000000000000001 R13: ffff88801d6c4880 R14: ffffffff90144358 R15: 0000000000000000 default_idle_call+0x6d/0xb0 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:185 [inline] do_idle+0x32c/0x3f0 kernel/sched/idle.c:326 cpu_startup_entry+0x4f/0x60 kernel/sched/idle.c:424 start_secondary+0x220/0x2b0 arch/x86/kernel/smpboot.c:313 common_startup_64+0x13e/0x148 ---------------- Code disassembly (best guess): 0: 4c 01 c7 add %r8,%rdi 3: 4c 29 c2 sub %r8,%rdx 6: e9 72 ff ff ff jmp 0xffffff7d 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: 90 nop 1a: 90 nop 1b: f3 0f 1e fa endbr64 1f: 66 90 xchg %ax,%ax 21: 0f 00 2d f3 a7 2f 00 verw 0x2fa7f3(%rip) # 0x2fa81b 28: fb sti 29: f4 hlt * 2a: fa cli <-- trapping instruction 2b: c3 ret 2c: cc int3 2d: cc int3 2e: cc int3 2f: cc int3 30: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1) 37: 00 00 00 00 3b: 90 nop 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop