------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(1)
WARNING: CPU: 0 PID: 5898 at kernel/locking/lockdep.c:234 hlock_class kernel/locking/lockdep.c:234 [inline]
WARNING: CPU: 0 PID: 5898 at kernel/locking/lockdep.c:234 check_wait_context kernel/locking/lockdep.c:4852 [inline]
WARNING: CPU: 0 PID: 5898 at kernel/locking/lockdep.c:234 __lock_acquire+0x564/0x2100 kernel/locking/lockdep.c:5178
Modules linked in:
CPU: 0 UID: 0 PID: 5898 Comm: kworker/0:6 Not tainted 6.14.0-rc7-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: mld mld_ifc_work
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 61 52 a0 0e 00 75 23 90 48 c7 c7 20 b2 2a 8c 48 c7 c6 20 b5 2a 8c e8 f7 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:ffffc90004c37470 EFLAGS: 00010046
RAX: 9e61ef1da8e27700 RBX: 0000000000001420 RCX: ffff888025040000
RDX: dffffc0000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00000000000c1420 R08: ffffffff81819e52 R09: 1ffff110170c519a
R10: dffffc0000000000 R11: ffffed10170c519b R12: ffff888025040ad4
R13: 000000000000000f R14: 1ffff11004a08171 R15: ffff888025040b88
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000400000002000 CR3: 000000002a260000 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:mld_clear_zeros+0x1/0x3f0 net/ipv6/mcast.c:2080
Code: ff 48 89 ef e8 90 58 7a f7 e9 bc fc ff ff 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 55 <41> 57 41 56 41 55 41 54 53 48 83 ec 18 49 89 f7 49 89 fc e8 77 1f
RSP: 0018:ffffc90004c37a98 EFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88805f4b7000 RCX: ffff888025040000
RDX: ffff888025040000 RSI: ffff88805f4b7000 RDI: ffff88805cd56028
RBP: 0000000000000000 R08: ffffffff8aadcb46 R09: 1ffff11005d2440b
R10: dffffc0000000000 R11: ffffed1005d2440c R12: 1ffff1100b9aac06
R13: ffff88805cd56034 R14: ffff88805cd56000 R15: 1ffff1100b9aac06
 mld_send_cr net/ipv6/mcast.c:2128 [inline]
 mld_ifc_work+0x302/0xd90 net/ipv6/mcast.c:2702
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xac0/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7ab/0x920 kernel/kthread.c:464
 ret_from_fork+0x4d/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
----------------
Code disassembly (best guess):
   0:	ff 48 89             	decl   -0x77(%rax)
   3:	ef                   	out    %eax,(%dx)
   4:	e8 90 58 7a f7       	call   0xf77a5899
   9:	e9 bc fc ff ff       	jmp    0xfffffcca
   e:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  15:	00 00 00
  18:	90                   	nop
  19:	90                   	nop
  1a:	90                   	nop
  1b:	90                   	nop
  1c:	90                   	nop
  1d:	90                   	nop
  1e:	90                   	nop
  1f:	90                   	nop
  20:	90                   	nop
  21:	90                   	nop
  22:	90                   	nop
  23:	90                   	nop
  24:	90                   	nop
  25:	90                   	nop
  26:	90                   	nop
  27:	90                   	nop
  28:	90                   	nop
  29:	55                   	push   %rbp
* 2a:	41 57                	push   %r15 <-- trapping instruction
  2c:	41 56                	push   %r14
  2e:	41 55                	push   %r13
  30:	41 54                	push   %r12
  32:	53                   	push   %rbx
  33:	48 83 ec 18          	sub    $0x18,%rsp
  37:	49 89 f7             	mov    %rsi,%r15
  3a:	49 89 fc             	mov    %rdi,%r12
  3d:	e8                   	.byte 0xe8
  3e:	77 1f                	ja     0x5f