------------[ cut here ]------------ WARNING: CPU: 2 PID: 40 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: 40 Comm: kauditd Not tainted 6.16.0-rc5-syzkaller-00266-g3f31a806a62e #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 a9 99 b5 f7 90 0f 0b 90 e9 5e fe ff ff e8 9b 99 b5 f7 90 0f 0b 90 e9 94 fe ff ff e8 8d 99 b5 f7 90 <0f> 0b 90 e9 d3 fe ff ff e8 3f 73 1c f8 e9 d7 fc ff ff 4c 89 ff e8 RSP: 0018:ffffc90000648d90 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff888036440000 RCX: ffffffff8a0657c7 RDX: ffff88801c352440 RSI: ffffffff8a0658f3 RDI: 0000000000000005 RBP: 0000000000000fff R08: 0000000000000005 R09: 0000000000000000 R10: 0000000000000fff R11: 0000000000000001 R12: ffff888036440000 R13: ffff888036440090 R14: ffffc90000648e90 R15: 0000000000000003 FS: 0000000000000000(0000) GS:ffff8880d6913000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff1793ee40 CR3: 000000004f867000 CR4: 0000000000352ef0 Call Trace: __sk_destruct+0x81/0x980 net/core/sock.c:2347 rcu_do_batch kernel/rcu/tree.c:2576 [inline] rcu_core+0x79c/0x14e0 kernel/rcu/tree.c:2832 handle_softirqs+0x219/0x8e0 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:console_flush_all+0x9a2/0xc60 kernel/printk/printk.c:3227 Code: 00 e8 32 63 28 00 9c 5b 81 e3 00 02 00 00 31 ff 48 89 de e8 e0 8d 20 00 48 85 db 0f 85 55 01 00 00 e8 62 92 20 00 fb 4c 89 e0 <48> c1 e8 03 42 80 3c 38 00 0f 84 11 ff ff ff 4c 89 e7 e8 67 6c 87 RSP: 0018:ffffc9000078f9c8 EFLAGS: 00000293 RAX: ffffffff8f2ec198 RBX: 0000000000000000 RCX: ffffffff819b6010 RDX: ffff88801c352440 RSI: ffffffff819b601e RDI: 0000000000000007 RBP: 0000000000000000 R08: 0000000000000007 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffffffff8f2ec198 R13: ffffffff8f2ec140 R14: ffffc9000078fa58 R15: dffffc0000000000 __console_flush_and_unlock kernel/printk/printk.c:3285 [inline] console_unlock+0xd8/0x210 kernel/printk/printk.c:3325 vprintk_emit+0x418/0x6d0 kernel/printk/printk.c:2450 _printk+0xc7/0x100 kernel/printk/printk.c:2475 kauditd_printk_skb kernel/audit.c:546 [inline] kauditd_hold_skb+0x205/0x250 kernel/audit.c:581 kauditd_send_queue+0x239/0x290 kernel/audit.c:766 kauditd_thread+0x623/0xa70 kernel/audit.c:890 kthread+0x3c5/0x780 kernel/kthread.c:464 ret_from_fork+0x5d7/0x6f0 arch/x86/kernel/process.c:148 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 00 e8 add %ch,%al 2: 32 63 28 xor 0x28(%rbx),%ah 5: 00 9c 5b 81 e3 00 02 add %bl,0x200e381(%rbx,%rbx,2) c: 00 00 add %al,(%rax) e: 31 ff xor %edi,%edi 10: 48 89 de mov %rbx,%rsi 13: e8 e0 8d 20 00 call 0x208df8 18: 48 85 db test %rbx,%rbx 1b: 0f 85 55 01 00 00 jne 0x176 21: e8 62 92 20 00 call 0x209288 26: fb sti 27: 4c 89 e0 mov %r12,%rax * 2a: 48 c1 e8 03 shr $0x3,%rax <-- trapping instruction 2e: 42 80 3c 38 00 cmpb $0x0,(%rax,%r15,1) 33: 0f 84 11 ff ff ff je 0xffffff4a 39: 4c 89 e7 mov %r12,%rdi 3c: e8 .byte 0xe8 3d: 67 6c insb (%dx),%es:(%edi) 3f: 87 .byte 0x87