syzbot

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DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 8063 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 1 PID: 8063 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4826 [inline]
WARNING: CPU: 1 PID: 8063 at kernel/locking/lockdep.c:232 __lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152
Modules linked in:
CPU: 1 UID: 0 PID: 8063 Comm: syz.2.344 Not tainted 6.12.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:hlock_class kernel/locking/lockdep.c:232 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4826 [inline]
RIP: 0010:__lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152
Code: 00 00 83 3d 65 c8 ac 0e 00 75 23 90 48 c7 c7 c0 c8 0a 8c 48 c7 c6 60 cb 0a 8c e8 df 87 e5 ff 48 ba 00 00 00 00 00 fc ff df 90 <0f> 0b 90 90 90 31 db 48 81 c3 c4 00 00 00 48 89 d8 48 c1 e8 03 0f
RSP: 0018:ffffc900036b7230 EFLAGS: 00010046
RAX: c0c58abfdce5e500 RBX: 0000000000001228 RCX: 0000000000040000
RDX: dffffc0000000000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 000000000000000f R08: ffffffff8155daa2 R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff888022f25a00
R13: 0000000000001228 R14: 1ffff110045e4caf R15: ffff888022f26578
FS:  00007f1b6550d6c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020046bf8 CR3: 000000006c3fe000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5825
 _raw_spin_lock_nested+0x31/0x40 kernel/locking/spinlock.c:378
 raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:593
 raw_spin_rq_lock kernel/sched/sched.h:1505 [inline]
 __task_rq_lock+0xdf/0x3e0 kernel/sched/core.c:671
 ttwu_runnable kernel/sched/core.c:3732 [inline]
 try_to_wake_up+0x182/0x1480 kernel/sched/core.c:4184
 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:2462
 sock_recvmsg_nosec+0x190/0x1d0 net/socket.c:1051
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2819
 ___sys_recvmsg net/socket.c:2863 [inline]
 do_recvmmsg+0x45e/0xad0 net/socket.c:2957
 __sys_recvmmsg net/socket.c:3036 [inline]
 __do_sys_recvmmsg net/socket.c:3059 [inline]
 __se_sys_recvmmsg net/socket.c:3052 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3052
 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: 0033:0x7f1b6477dff9
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:00007f1b6550d038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f1b64936058 RCX: 00007f1b6477dff9
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007f1b647f0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f1b64936058 R15: 00007fff55b13be8
 </TASK>