------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(!test_bit(class_idx, lock_classes_in_use)) WARNING: CPU: 0 PID: 6650 at kernel/locking/lockdep.c:5198 __lock_acquire+0x165b/0x2100 kernel/locking/lockdep.c:5198 Modules linked in: CPU: 0 UID: 0 PID: 6650 Comm: syz.3.222 Not tainted 6.13.0-syzkaller-08265-g9c5968db9e62 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 RIP: 0010:__lock_acquire+0x165b/0x2100 kernel/locking/lockdep.c:5198 Code: 0f b6 04 08 84 c0 0f 85 31 0a 00 00 83 3d f0 cf 80 0e 00 75 19 90 48 c7 c7 c0 8e 0a 8c 48 c7 c6 a0 b7 0a 8c e8 76 34 e5 ff 90 <0f> 0b 90 90 90 e9 be fd ff ff 90 0f 0b 90 e9 16 fd ff ff 90 e8 5c RSP: 0018:ffffc9001db07270 EFLAGS: 00010046 RAX: 1cde33bf56a01100 RBX: 00000000008a8620 RCX: 0000000000080000 RDX: ffffc9000f072000 RSI: 000000000001043a RDI: 000000000001043b RBP: ffff88802e90a968 R08: ffffffff81802842 R09: 1ffff110170c519a R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88802e90a8d4 R13: ffff88802e909e00 R14: 0000000000000000 R15: ffff88802e90a988 FS: 00007f22c1dd16c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000200b9030 CR3: 000000002fd18000 CR4: 0000000000350ef0 Call Trace: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline] rq_lock kernel/sched/sched.h:1852 [inline] ttwu_queue kernel/sched/core.c:3999 [inline] try_to_wake_up+0x7e2/0x1470 kernel/sched/core.c:4329 autoremove_wake_function+0x16/0x110 kernel/sched/wait.c:384 __wake_up_common kernel/sched/wait.c:89 [inline] __wake_up_common_lock+0x132/0x1e0 kernel/sched/wait.c:106 __unix_dgram_recvmsg+0x5f4/0x12f0 net/unix/af_unix.c:2456 sock_recvmsg_nosec+0x190/0x1d0 net/socket.c:1018 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2786 ___sys_recvmsg net/socket.c:2830 [inline] do_recvmmsg+0x426/0xab0 net/socket.c:2925 __sys_recvmmsg net/socket.c:2999 [inline] __do_sys_recvmmsg net/socket.c:3022 [inline] __se_sys_recvmmsg net/socket.c:3015 [inline] __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3015 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f22c0f8cd29 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:00007f22c1dd1038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b RAX: ffffffffffffffda RBX: 00007f22c11a6080 RCX: 00007f22c0f8cd29 RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000005 RBP: 00007f22c100e2a0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007f22c11a6080 R15: 00007ffc45173018