------------[ cut here ]------------
WARNING: CPU: 0 PID: 3982 at net/ipv4/af_inet.c:154 inet_sock_destruct+0x6e7/0x7f0
Modules linked in:
CPU: 0 PID: 3982 Comm: syz-executor.3 Not tainted 6.1.82-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/29/2024
RIP: 0010:inet_sock_destruct+0x6e7/0x7f0 net/ipv4/af_inet.c:154
Code: ff ff e8 9c 7e 6f f8 0f 0b e9 21 fe ff ff e8 90 7e 6f f8 0f 0b 41 80 3c 2c 00 0f 85 4c fe ff ff e9 4f fe ff ff e8 79 7e 6f f8 <0f> 0b e9 bb fe ff ff 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 0e fc ff
RSP: 0018:ffffc90000007b30 EFLAGS: 00010246
RAX: ffffffff891b0517 RBX: 0000000000000400 RCX: ffff888028d79dc0
RDX: 0000000000000101 RSI: 0000000000000400 RDI: 0000000000000000
RBP: ffff88801426bfc0 R08: ffffffff891b03cc R09: ffffed100284d847
R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100284d7fd
R13: ffff88801426c4a8 R14: ffff88801426bfe8 R15: ffff88801426bfd2
FS: 00007fa636fa36c0(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa62ca06000 CR3: 000000005bfb2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__sk_destruct+0x50/0x5f0 net/core/sock.c:2138
rcu_do_batch kernel/rcu/tree.c:2296 [inline]
rcu_core+0xad4/0x17e0 kernel/rcu/tree.c:2556
__do_softirq+0x2e9/0xa4c kernel/softirq.c:571
invoke_softirq kernel/softirq.c:445 [inline]
__irq_exit_rcu+0x155/0x240 kernel/softirq.c:650
irq_exit_rcu+0x5/0x20 kernel/softirq.c:662
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1106
asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:653
RIP: 0010:console_emit_next_record+0xc69/0xea0 kernel/printk/printk.c:2751
Code: 00 e8 bb 31 1c 00 44 0f b6 74 24 1f 4d 85 e4 75 07 e8 ab 31 1c 00 eb 06 e8 a4 31 1c 00 fb 48 c7 84 24 a0 00 00 00 0e 36 e0 45 <42> c7 04 2b 00 00 00 00 4a c7 44 2b 0a 00 00 00 00 4a c7 44 2b 12
RSP: 0018:ffffc90006336c40 EFLAGS: 00000283
RAX: ffffffff816e51ec RBX: dffffc0000000000 RCX: 0000000000040000
RDX: ffffc9000b5d1000 RSI: 000000000000749a RDI: 000000000000749b
RBP: ffffc90006336ef0 R08: ffffffff816e51c7 R09: fffffbfff2092c45
R10: 0000000000000000 R11: dffffc0000000001 R12: 0000000000000200
R13: 1ffff92000c66d9c R14: 0000000000000001 R15: 0000000000000000
console_unlock+0x278/0x7c0 kernel/printk/printk.c:2871
vprintk_emit+0x523/0x740 kernel/printk/printk.c:2268
_printk+0xd1/0x111 kernel/printk/printk.c:2293
set_capacity_and_notify+0x2b0/0x340 block/genhd.c:91
loop_set_size+0x44/0xa0 drivers/block/loop.c:235
loop_configure+0xd1d/0x1270 drivers/block/loop.c:1098
lo_ioctl+0x882/0x2010
blkdev_ioctl+0x3a9/0x760 block/ioctl.c:618
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xf1/0x160 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fa63627db0b
Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00
RSP: 002b:00007fa636fa2e50 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007fa63627db0b
RDX: 0000000000000003 RSI: 0000000000004c00 RDI: 0000000000000004
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000177
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 00007fa636fa2f80 R14: 00007fa636fa2f40 R15: 00007fa62c9ff000
----------------
Code disassembly (best guess):
0: 00 e8 add %ch,%al
2: bb 31 1c 00 44 mov $0x44001c31,%ebx
7: 0f b6 74 24 1f movzbl 0x1f(%rsp),%esi
c: 4d 85 e4 test %r12,%r12
f: 75 07 jne 0x18
11: e8 ab 31 1c 00 call 0x1c31c1
16: eb 06 jmp 0x1e
18: e8 a4 31 1c 00 call 0x1c31c1
1d: fb sti
1e: 48 c7 84 24 a0 00 00 movq $0x45e0360e,0xa0(%rsp)
25: 00 0e 36 e0 45
* 2a: 42 c7 04 2b 00 00 00 movl $0x0,(%rbx,%r13,1) <-- trapping instruction
31: 00
32: 4a c7 44 2b 0a 00 00 movq $0x0,0xa(%rbx,%r13,1)
39: 00 00
3b: 4a rex.WX
3c: c7 .byte 0xc7
3d: 44 2b 12 sub (%rdx),%r10d