=============================
[ BUG: Invalid wait context ]
6.12.0-rc5-next-20241104-syzkaller #0 Not tainted
-----------------------------
syz.6.760/10465 is trying to lock:
ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2328 [inline]
ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: __rmqueue_pcplist+0x4c6/0x2b70 mm/page_alloc.c:3022
other info that might help us debug this:
context-{2:2}
1 lock held by syz.6.760/10465:
 #0: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
 #0: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3051 [inline]
 #0: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3095 [inline]
 #0: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7e2/0x3870 mm/page_alloc.c:3492
stack backtrace:
CPU: 0 UID: 0 PID: 10465 Comm: syz.6.760 Not tainted 6.12.0-rc5-next-20241104-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <IRQ>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline]
 check_wait_context kernel/locking/lockdep.c:4898 [inline]
 __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162
 rmqueue_bulk mm/page_alloc.c:2328 [inline]
 __rmqueue_pcplist+0x4c6/0x2b70 mm/page_alloc.c:3022
 rmqueue_pcplist mm/page_alloc.c:3064 [inline]
 rmqueue mm/page_alloc.c:3095 [inline]
 get_page_from_freelist+0x895/0x3870 mm/page_alloc.c:3492
 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4771
 alloc_pages_mpol_noprof+0x3e8/0x680 mm/mempolicy.c:2265
 stack_depot_save_flags+0x666/0x830 lib/stackdepot.c:627
 kasan_save_stack+0x4f/0x60 mm/kasan/common.c:48
 __kasan_record_aux_stack+0xac/0xc0 mm/kasan/generic.c:544
 task_work_add+0xd9/0x490 kernel/task_work.c:77
 __run_posix_cpu_timers kernel/time/posix-cpu-timers.c:1219 [inline]
 run_posix_cpu_timers+0x6ac/0x810 kernel/time/posix-cpu-timers.c:1418
 tick_sched_handle kernel/time/tick-sched.c:276 [inline]
 tick_nohz_handler+0x37c/0x500 kernel/time/tick-sched.c:297
 __run_hrtimer kernel/time/hrtimer.c:1691 [inline]
 __hrtimer_run_queues+0x551/0xd50 kernel/time/hrtimer.c:1755
 hrtimer_interrupt+0x396/0x990 kernel/time/hrtimer.c:1817
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:__unix_dgram_recvmsg+0x7c/0x12f0 net/unix/af_unix.c:2416
Code: b4 24 00 01 00 00 48 c7 84 24 a0 00 00 00 b3 8a b5 41 48 c7 84 24 a8 00 00 00 7a e0 2b 8e 48 c7 84 24 b0 00 00 00 40 75 5e 8a <48> 8d 8c 24 a0 00 00 00 48 c1 e9 03 42 c7 04 29 f1 f1 f1 f1 48 b8
RSP: 0018:ffffc9000d647700 EFLAGS: 00000286
RAX: b8364873706e7400 RBX: ffffc9000d6477c0 RCX: 0000000000000002
RDX: 0000000000000000 RSI: ffffc9000d647d00 RDI: ffff88802ff998c0
RBP: ffffc9000d6478b0 R08: ffffffff8984c9d9 R09: 0000000000000000
R10: ffffc9000d647980 R11: ffffffff8a5fa400 R12: ffff88802ff998c0
R13: dffffc0000000000 R14: ffffc9000d647800 R15: ffff88807ffe7200
 sock_recvmsg_nosec+0x18e/0x1d0 net/socket.c:1051
 ____sys_recvmsg+0x3cd/0x480 net/socket.c:2826
 ___sys_recvmsg net/socket.c:2870 [inline]
 do_recvmmsg+0x45e/0xad0 net/socket.c:2964
 __sys_recvmmsg net/socket.c:3043 [inline]
 __do_sys_recvmmsg net/socket.c:3066 [inline]
 __se_sys_recvmmsg net/socket.c:3059 [inline]
 __x64_sys_recvmmsg+0x199/0x250 net/socket.c:3059
 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: 0033:0x7fe9c557e719
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:00007fe9c62ae038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007fe9c5736058 RCX: 00007fe9c557e719
RDX: 0000000000010106 RSI: 00000000200000c0 RDI: 0000000000000003
RBP: 00007fe9c55f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fe9c5736058 R15: 00007ffed2b852a8
 </TASK>
vkms_vblank_simulate: vblank timer overrun
----------------
Code disassembly (best guess):
   0:	b4 24                	mov    $0x24,%ah
   2:	00 01                	add    %al,(%rcx)
   4:	00 00                	add    %al,(%rax)
   6:	48 c7 84 24 a0 00 00 	movq   $0x41b58ab3,0xa0(%rsp)
   d:	00 b3 8a b5 41
  12:	48 c7 84 24 a8 00 00 	movq   $0xffffffff8e2be07a,0xa8(%rsp)
  19:	00 7a e0 2b 8e
  1e:	48 c7 84 24 b0 00 00 	movq   $0xffffffff8a5e7540,0xb0(%rsp)
  25:	00 40 75 5e 8a
* 2a:	48 8d 8c 24 a0 00 00 	lea    0xa0(%rsp),%rcx <-- trapping instruction
  31:	00
  32:	48 c1 e9 03          	shr    $0x3,%rcx
  36:	42 c7 04 29 f1 f1 f1 	movl   $0xf1f1f1f1,(%rcx,%r13,1)
  3d:	f1
  3e:	48                   	rex.W
  3f:	b8                   	.byte 0xb8