------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 6891 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline]
WARNING: CPU: 0 PID: 6891 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline]
WARNING: CPU: 0 PID: 6891 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178
Modules linked in:
CPU: 0 UID: 0 PID: 6891 Comm: syz.1.304 Not tainted 6.14.0-rc7-syzkaller-00074-ga7f2e10ecd8f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:hlock_class kernel/locking/lockdep.c:234 [inline]
RIP: 0010:check_wait_context kernel/locking/lockdep.c:4852 [inline]
RIP: 0010:__lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178
Code: 00 00 83 3d 01 4e a0 0e 00 75 23 90 48 c7 c7 40 b2 2a 8c 48 c7 c6 40 b5 2a 8c e8 97 bc e4 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:ffffc90010006fb0 EFLAGS: 00010046
RAX: adf332bfb7ec6b00 RBX: 0000000000001b20 RCX: 0000000000080000
RDX: dffffc0000000000 RSI: 00000000000399ed RDI: 00000000000399ee
RBP: 00000000000c1b20 R08: ffffffff81819e52 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff88802860c6d4
R13: 0000000000000000 R14: 1ffff110050c18e2 R15: ffff88802860c710
FS:  00007fb74ad166c0(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ff8861d4f98 CR3: 000000005a4ce000 CR4: 0000000000350ef0
Call Trace:
 <TASK>
 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+0xb0/0x140 kernel/sched/core.c:606
 raw_spin_rq_lock kernel/sched/sched.h:1521 [inline]
 rq_lock kernel/sched/sched.h:1852 [inline]
 __schedule+0x357/0x4c90 kernel/sched/core.c:6688
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7087
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:atomic_long_try_cmpxchg_release include/linux/atomic/atomic-instrumented.h:4479 [inline]
RIP: 0010:__mutex_unlock_slowpath+0x212/0x800 kernel/locking/mutex.c:908
Code: df e8 c2 a6 1e f6 48 8b 9c 24 c0 00 00 00 f6 c3 02 0f 85 d2 01 00 00 83 e3 07 4c 89 f7 be 08 00 00 00 e8 41 a9 1e f6 4d 89 e5 <4d> 89 fc 48 8d bc 24 c0 00 00 00 be 08 00 00 00 e8 29 a9 1e f6 43
RSP: 0018:ffffc900100075e0 EFLAGS: 00000256
RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffffffff8c0a796f
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffff88803298d7e8
RBP: ffffc90010007710 R08: ffff88803298d7ef R09: 1ffff11006531afd
R10: dffffc0000000000 R11: ffffed1006531afe R12: 1ffff92002000ed4
R13: 1ffff92002000ed4 R14: ffff88803298d7e8 R15: dffffc0000000000
 __unix_dgram_recvmsg+0xcff/0x1320 net/unix/af_unix.c:2516
 sock_recvmsg_nosec+0x190/0x1d0 net/socket.c:1023
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2791
 ___sys_recvmsg net/socket.c:2835 [inline]
 do_recvmmsg+0x426/0xab0 net/socket.c:2930
 __sys_recvmmsg net/socket.c:3004 [inline]
 __do_sys_recvmmsg net/socket.c:3027 [inline]
 __se_sys_recvmmsg net/socket.c:3020 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3020
 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: 0033:0x7fb749f8d169
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:00007fb74ad16038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fb74a1a6080 RCX: 00007fb749f8d169
RDX: 0000000000010106 RSI: 00004000000000c0 RDI: 0000000000000005
RBP: 00007fb74a00e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fb74a1a6080 R15: 00007ffe6e50a4d8
 </TASK>
----------------
Code disassembly (best guess):
   0:	df e8                	fucomip %st(0),%st
   2:	c2 a6 1e             	ret    $0x1ea6
   5:	f6 48 8b 9c          	testb  $0x9c,-0x75(%rax)
   9:	24 c0                	and    $0xc0,%al
   b:	00 00                	add    %al,(%rax)
   d:	00 f6                	add    %dh,%dh
   f:	c3                   	ret
  10:	02 0f                	add    (%rdi),%cl
  12:	85 d2                	test   %edx,%edx
  14:	01 00                	add    %eax,(%rax)
  16:	00 83 e3 07 4c 89    	add    %al,-0x76b3f81d(%rbx)
  1c:	f7 be 08 00 00 00    	idivl  0x8(%rsi)
  22:	e8 41 a9 1e f6       	call   0xf61ea968
  27:	4d 89 e5             	mov    %r12,%r13
* 2a:	4d 89 fc             	mov    %r15,%r12 <-- trapping instruction
  2d:	48 8d bc 24 c0 00 00 	lea    0xc0(%rsp),%rdi
  34:	00
  35:	be 08 00 00 00       	mov    $0x8,%esi
  3a:	e8 29 a9 1e f6       	call   0xf61ea968
  3f:	43                   	rex.XB