------------[ cut here ]------------ WARNING: CPU: 0 PID: 7110 at net/ipv4/inet_connection_sock.c:1155 inet_csk_destroy_sock+0x2d9/0x440 net/ipv4/inet_connection_sock.c:1155 Modules linked in: CPU: 0 PID: 7110 Comm: syz-executor.1 Not tainted 6.0.0-syzkaller-09589-g55be6084c8e0 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:inet_csk_destroy_sock+0x2d9/0x440 net/ipv4/inet_connection_sock.c:1155 Code: 41 5c 41 5d 41 5e e9 f6 5b 9e f9 e8 f1 5b 9e f9 48 89 ef e8 e9 57 72 ff 5b 5d 41 5c 41 5d 41 5e e9 dc 5b 9e f9 e8 d7 5b 9e f9 <0f> 0b e9 66 fe ff ff e8 cb 5b 9e f9 4c 89 e7 be 03 00 00 00 e8 7e RSP: 0018:ffffc9000bcbfcb8 EFLAGS: 00010293 RAX: 0000000000000000 RBX: 000000000000a112 RCX: 0000000000000000 RDX: ffff888012663b00 RSI: ffffffff87dcee69 RDI: ffff88807c421c20 RBP: ffff88807c421580 R08: 0000000000000003 R09: 0000000000000000 R10: 000000000000a112 R11: 000000000008c07d R12: ffff88807c4215e0 R13: ffff88807c421618 R14: ffff88807c421738 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880b9a00000(0063) knlGS:0000000057b54380 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 000000002e621000 CR3: 000000001c65b000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: dccp_close+0xa3d/0xd50 net/dccp/proto.c:1060 inet_release+0x12e/0x270 net/ipv4/af_inet.c:428 inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:482 __sock_release+0xcd/0x280 net/socket.c:650 sock_close+0x18/0x20 net/socket.c:1365 __fput+0x27c/0xa90 fs/file_table.c:320 task_work_run+0xdd/0x1a0 kernel/task_work.c:177 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop kernel/entry/common.c:169 [inline] exit_to_user_mode_prepare+0x23c/0x250 kernel/entry/common.c:201 __syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline] syscall_exit_to_user_mode+0x19/0x50 kernel/entry/common.c:294 __do_fast_syscall_32+0x72/0xf0 arch/x86/entry/common.c:181 do_fast_syscall_32+0x2f/0x70 arch/x86/entry/common.c:203 entry_SYSENTER_compat_after_hwframe+0x70/0x82 RIP: 0023:0xf7f8f549 Code: 03 74 c0 01 10 05 03 74 b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00 RSP: 002b:00000000f74afb20 EFLAGS: 00000286 ORIG_RAX: 0000000000000006 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 00000000f6f4a000 RDI: 0000000000000000 RBP: 00000000f6f804a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000286 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: 03 74 c0 01 add 0x1(%rax,%rax,8),%esi 4: 10 05 03 74 b8 01 adc %al,0x1b87403(%rip) # 0x1b8740d a: 10 06 adc %al,(%rsi) c: 03 74 b4 01 add 0x1(%rsp,%rsi,4),%esi 10: 10 07 adc %al,(%rdi) 12: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi 16: 10 08 adc %cl,(%rax) 18: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi 1c: 00 00 add %al,(%rax) 1e: 00 00 add %al,(%rax) 20: 00 51 52 add %dl,0x52(%rcx) 23: 55 push %rbp 24: 89 e5 mov %esp,%ebp 26: 0f 34 sysenter 28: cd 80 int $0x80 * 2a: 5d pop %rbp <-- trapping instruction 2b: 5a pop %rdx 2c: 59 pop %rcx 2d: c3 retq 2e: 90 nop 2f: 90 nop 30: 90 nop 31: 90 nop 32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi 39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi