===================================== WARNING: bad unlock balance detected! 6.5.0-rc5-syzkaller #0 Not tainted ------------------------------------- syz-executor.0/3616 is trying to release lock (sk_lock-AF_INET) at: [] do_ip_setsockopt+0x9a0/0x2090 net/ipv4/ip_sockglue.c:1370 but there are no more locks to release! other info that might help us debug this: 1 lock held by syz-executor.0/3616: #0: ffff88810f6df8b0 (slock-AF_INET){+.-.}-{2:2}, at: spin_lock_bh include/linux/spinlock.h:356 [inline] #0: ffff88810f6df8b0 (slock-AF_INET){+.-.}-{2:2}, at: release_sock+0x1f/0xe0 net/core/sock.c:3517 stack backtrace: CPU: 0 PID: 3616 Comm: syz-executor.0 Not tainted 6.5.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd9/0x1b0 lib/dump_stack.c:106 __lock_release kernel/locking/lockdep.c:5438 [inline] lock_release+0x1d4/0x230 kernel/locking/lockdep.c:5781 sock_release_ownership include/net/sock.h:1817 [inline] release_sock+0xda/0xe0 net/core/sock.c:3527 do_ip_setsockopt+0x9a0/0x2090 net/ipv4/ip_sockglue.c:1370 ip_setsockopt+0x59/0xe0 net/ipv4/ip_sockglue.c:1425 raw_setsockopt+0x153/0x180 net/ipv4/raw.c:833 __sys_setsockopt+0xeb/0x1d0 net/socket.c:2281 __do_sys_setsockopt net/socket.c:2292 [inline] __se_sys_setsockopt net/socket.c:2289 [inline] __x64_sys_setsockopt+0x23/0x30 net/socket.c:2289 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f8bb1956ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8bb14b80c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007f8bb1a76050 RCX: 00007f8bb1956ae9 RDX: 0000000000000013 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007f8bb19a247a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000006e R14: 00007f8bb1a76050 R15: 00007ffc17f41318