------------[ cut here ]------------ WARNING: CPU: 0 PID: 8426 at kernel/locking/lockdep.c:937 look_up_lock_class+0x6a/0xd0 kernel/locking/lockdep.c:937 Modules linked in: CPU: 0 PID: 8426 Comm: syz-executor.0 Not tainted 6.0.0-rc7-syzkaller-00132-g987a926c1d8a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/22/2022 RIP: 0010:look_up_lock_class+0x6a/0xd0 kernel/locking/lockdep.c:937 Code: 85 c0 75 0a eb 57 48 8b 00 48 85 c0 74 4f 48 39 70 40 75 f2 48 8b 4f 18 48 39 88 b0 00 00 00 74 0b 48 81 3f 60 94 51 8f 74 02 <0f> 0b 5d c3 9c 5a 80 e6 02 74 c2 e8 d6 b1 7a fa 85 c0 74 1f 8b 05 RSP: 0018:ffffc900049e7900 EFLAGS: 00010006 RAX: ffffffff9092b0e0 RBX: ffffffff911b18c0 RCX: ffffffff8b109a20 RDX: 0000000000000046 RSI: ffffffff915341a0 RDI: ffff88807d26b0b0 RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 000000000000061a R12: 0000000000000000 R13: ffff88807d26b0b0 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f1440f14700(0000) GS:ffff8880b9a00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fc7a1d1d300 CR3: 0000000076031000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: register_lock_class+0xbe/0x1120 kernel/locking/lockdep.c:1287 __lock_acquire+0x109/0x56d0 kernel/locking/lockdep.c:4932 reacquire_held_locks+0x214/0x4e0 kernel/locking/lockdep.c:5191 __lock_release kernel/locking/lockdep.c:5380 [inline] lock_release+0x339/0x780 kernel/locking/lockdep.c:5686 sock_release_ownership include/net/sock.h:1815 [inline] release_sock+0x171/0x1b0 net/core/sock.c:3416 __inet6_bind+0x89b/0x1b20 net/ipv6/af_inet6.c:433 inet6_bind+0x173/0x220 net/ipv6/af_inet6.c:465 __sys_bind+0x1e9/0x250 net/socket.c:1776 __do_sys_bind net/socket.c:1787 [inline] __se_sys_bind net/socket.c:1785 [inline] __x64_sys_bind+0x6f/0xb0 net/socket.c:1785 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x462229 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1440f141a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000031 RAX: ffffffffffffffda RBX: 000000000052bfa8 RCX: 0000000000462229 RDX: 000000000000001c RSI: 0000000020000000 RDI: 0000000000000004 RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004ed678 R14: 00000000004ac81d R15: 00007f1440f146bc