=============================
[ BUG: Invalid wait context ]
6.12.0-next-20241122 #1 Not tainted
-----------------------------
syz-executor.7/35925 is trying to lock:
ffff88807ffdcf78 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x4cd/0xe60
other info that might help us debug this:
context-{2:2}
4 locks held by syz-executor.7/35925:
#0: ffff888048834de0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0xfd/0xac0
#1: ffffffff85c16140 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x31/0x370
#2: ffff88804360e078 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0x121/0x330
#3: ffff88806cf41518 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x4a5/0x2130
stack backtrace:
CPU: 1 UID: 0 PID: 35925 Comm: syz-executor.7 Not tainted 6.12.0-next-20241122 #1
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lock_acquire+0x1535/0x4430
lock_acquire.part.0+0xeb/0x320
_raw_spin_lock_irqsave+0x3a/0x60
__rmqueue_pcplist+0x4cd/0xe60
get_page_from_freelist+0x500/0x2130
__alloc_pages_noprof+0x213/0x1f90
alloc_pages_mpol_noprof+0xf2/0x330
stack_depot_save_flags+0x575/0x900
kasan_save_stack+0x34/0x50
__kasan_record_aux_stack+0x8c/0xa0
task_work_add+0xb8/0x390
run_posix_cpu_timers+0x65e/0x760
tick_nohz_handler+0x414/0x6d0
__hrtimer_run_queues+0x57c/0xa70
hrtimer_interrupt+0x369/0x830
__sysvec_apic_timer_interrupt+0xc2/0x330
sysvec_apic_timer_interrupt+0x6b/0x80
asm_sysvec_apic_timer_interrupt+0x1a/0x20
RIP: 0010:unmap_page_range+0xaca/0x3590
Code: d8 ff 4d 85 ed 0f 85 de 07 00 00 e8 70 3a d8 ff 0f 1f 44 00 00 e8 66 3a d8 ff 4c 8b 6c 24 20 e8 5c 3a d8 ff 48 83 7c 24 28 00 <0f> 84 db 06 00 00 e8 4b 3a d8 ff 48 8b 44 24 28 48 b9 00 00 00 00
RSP: 0018:ffff8880420ff688 EFLAGS: 00000286
RAX: 0000000000000000 RBX: ffff888047d51c30 RCX: ffffffff8179c7a2
RDX: ffff888040f45280 RSI: ffffffff8179c7c4 RDI: 0000000000000007
RBP: 0000000000000000 R08: 0000000000000000 R09: fffff940001bbc36
R10: 0000000000000000 R11: 00000000000007e0 R12: 8000000037787007
R13: ffffea0000dde1c0 R14: 00007fb9e6d86000 R15: ffff8880420ffad0
unmap_single_vma+0x19a/0x2b0
unmap_vmas+0x1f1/0x450
exit_mmap+0x187/0xac0
mmput+0xd5/0x350
do_exit+0x9ae/0x2a30
do_group_exit+0xd3/0x2a0
get_signal+0x2240/0x2320
arch_do_signal_or_restart+0x81/0x780
syscall_exit_to_user_mode+0x123/0x1e0
do_syscall_64+0xcc/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb9e8fe4b19
Code: Unable to access opcode bytes at 0x7fb9e8fe4aef.
RSP: 002b:00007fb9e655a218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007fb9e90f7f68 RCX: 00007fb9e8fe4b19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fb9e90f7f68
RBP: 00007fb9e90f7f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb9e90f7f6c
R13: 00007fff900c0d1f R14: 00007fb9e655a300 R15: 0000000000022000
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
9pnet_virtio: no channels available for device syz
----------------
Code disassembly (best guess):
0: d8 ff fdivr %st(7),%st
2: 4d 85 ed test %r13,%r13
5: 0f 85 de 07 00 00 jne 0x7e9
b: e8 70 3a d8 ff callq 0xffd83a80
10: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
15: e8 66 3a d8 ff callq 0xffd83a80
1a: 4c 8b 6c 24 20 mov 0x20(%rsp),%r13
1f: e8 5c 3a d8 ff callq 0xffd83a80
24: 48 83 7c 24 28 00 cmpq $0x0,0x28(%rsp)
* 2a: 0f 84 db 06 00 00 je 0x70b <-- trapping instruction
30: e8 4b 3a d8 ff callq 0xffd83a80
35: 48 8b 44 24 28 mov 0x28(%rsp),%rax
3a: 48 rex.W
3b: b9 00 00 00 00 mov $0x0,%ecx