RSP: 002b:00007f11c3781048 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f11c2b05f60 RCX: 00007f11c2975b59 RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007f11c37810a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007f11c2b05f60 R15: 00007ffe5fc37128 socket: no more sockets ------------[ cut here ]------------ refcount_t: underflow; use-after-free. WARNING: CPU: 1 PID: 3555 at lib/refcount.c:28 refcount_warn_saturate+0xad/0x130 lib/refcount.c:28 Modules linked in: CPU: 1 PID: 3555 Comm: syz.0.16 Not tainted 6.10.0-rc3-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 RIP: 0010:refcount_warn_saturate+0xad/0x130 lib/refcount.c:28 Code: 7c ff 90 0f 0b 90 90 c3 cc cc cc cc 80 3d 3e 3b 0d 02 00 75 97 c6 05 35 3b 0d 02 01 90 48 c7 c7 d7 18 21 83 e8 74 62 7c ff 90 <0f> 0b 90 90 c3 cc cc cc cc 80 3d 14 3b 0d 02 00 0f 85 6c ff ff ff RSP: 0018:ffffc9000281fdf8 EFLAGS: 00010246 RAX: a63557c52cac3600 RBX: ffffffff823a984b RCX: 0000000000000002 RDX: ffff88813bd29380 RSI: ffffffff832eb9f9 RDI: 00000000ffffffff RBP: ffff88810dd20000 R08: 0000000000000000 R09: ffffffff836c3f70 R10: ffffc9000281fcc8 R11: ffffc9000281fc70 R12: ffff888111f51900 R13: 0000000000000000 R14: 00000000ffffffe9 R15: 0000000000000004 FS: 00007f11c37816c0(0000) GS:ffff88813bd00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000140 CR3: 000000010b866000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: inet_create+0x388/0x3b0 net/ipv4/af_inet.c:388 __sock_create+0x183/0x320 net/socket.c:1571 sock_create net/socket.c:1622 [inline] __sys_socketpair+0x10d/0x2d0 net/socket.c:1769 __do_sys_socketpair net/socket.c:1822 [inline] __se_sys_socketpair net/socket.c:1819 [inline] __x64_sys_socketpair+0x18/0x20 net/socket.c:1819 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xe0/0x200 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f11c2975b59 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f11c3781048 EFLAGS: 00000246 ORIG_RAX: 0000000000000035 RAX: ffffffffffffffda RBX: 00007f11c2b05f60 RCX: 00007f11c2975b59 RDX: 0000000000000100 RSI: 0000000000000001 RDI: 0000000000000002 RBP: 00007f11c37810a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000140 R11: 0000000000000246 R12: 0000000000000002 R13: 0000000000000006 R14: 00007f11c2b05f60 R15: 00007ffe5fc37128