------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 1 PID: 6559 at kernel/locking/lockdep.c:232 hlock_class kernel/locking/lockdep.c:232 [inline]
WARNING: CPU: 1 PID: 6559 at kernel/locking/lockdep.c:232 check_wait_context kernel/locking/lockdep.c:4826 [inline]
WARNING: CPU: 1 PID: 6559 at kernel/locking/lockdep.c:232 __lock_acquire+0x58c/0x2050 kernel/locking/lockdep.c:5152
Modules linked in:
CPU: 1 UID: 0 PID: 6559 Comm: syz.5.122 Not tainted 6.12.0-syzkaller-00239-gc6d64479d609 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/30/2024
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 05 2c ad 0e 00 75 23 90 48 c7 c7 a0 ca 0a 8c 48 c7 c6 40 cd 0a 8c e8 9f 7c 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:ffffc9000b71f290 EFLAGS: 00010046
RAX: b77f800f45808500 RBX: 0000000000000b68 RCX: 0000000000040000
RDX: dffffc0000000000 RSI: 000000000003ffff RDI: 0000000000040000
RBP: 0000000000000005 R08: ffffffff8155e312 R09: 1ffff110170e519a
R10: dffffc0000000000 R11: ffffed10170e519b R12: ffff88802dfb9e00
R13: 0000000000000b68 R14: 1ffff11005bf7525 R15: ffff88802dfba928
FS:  00007f968ace96c0(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30a0dff8 CR3: 0000000058146000 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+0xb0/0x140 kernel/sched/core.c:606
 raw_spin_rq_lock kernel/sched/sched.h:1506 [inline]
 rq_lock kernel/sched/sched.h:1805 [inline]
 __schedule+0x35a/0x4c30 kernel/sched/core.c:6592
 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7015
 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354
 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707
RIP: 0010:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5829
Code: 2b 00 74 08 4c 89 f7 e8 ca 7d 8e 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc9000b71f8e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff920016e3f28 RCX: b77f800f45808500
RDX: dffffc0000000000 RSI: ffffffff8c0add80 RDI: ffffffff8c611a00
RBP: ffffc9000b71fa38 R08: ffffffff942d9837 R09: 1ffffffff285b306
R10: dffffc0000000000 R11: fffffbfff285b307 R12: 1ffff920016e3f24
R13: dffffc0000000000 R14: ffffc9000b71f940 R15: 0000000000000246
 __might_fault+0xc6/0x120 mm/memory.c:6716
 do_recvmmsg+0x59c/0xab0 net/socket.c:2944
 __sys_recvmmsg net/socket.c:3012 [inline]
 __do_sys_recvmmsg net/socket.c:3035 [inline]
 __se_sys_recvmmsg net/socket.c:3028 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3028
 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: 0033:0x7f9689f7e759
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:00007f968ace9038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f968a136058 RCX: 00007f9689f7e759
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000004
RBP: 00007f9689ff175e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f968a136058 R15: 00007fff5699b6f8
 </TASK>
----------------
Code disassembly (best guess):
   0:	2b 00                	sub    (%rax),%eax
   2:	74 08                	je     0xc
   4:	4c 89 f7             	mov    %r14,%rdi
   7:	e8 ca 7d 8e 00       	call   0x8e7dd6
   c:	f6 44 24 61 02       	testb  $0x2,0x61(%rsp)
  11:	0f 85 85 01 00 00    	jne    0x19c
  17:	41 f7 c7 00 02 00 00 	test   $0x200,%r15d
  1e:	74 01                	je     0x21
  20:	fb                   	sti
  21:	48 c7 44 24 40 0e 36 	movq   $0x45e0360e,0x40(%rsp)
  28:	e0 45
* 2a:	4b c7 44 25 00 00 00 	movq   $0x0,0x0(%r13,%r12,1) <-- trapping instruction
  31:	00 00
  33:	43 c7 44 25 09 00 00 	movl   $0x0,0x9(%r13,%r12,1)
  3a:	00 00
  3c:	43                   	rex.XB
  3d:	c7                   	.byte 0xc7
  3e:	44                   	rex.R
  3f:	25                   	.byte 0x25