=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-04858-g21266b8df522 #0 Not tainted
-----------------------------
syz.2.633/8223 is trying to lock:
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue_buddy mm/page_alloc.c:2909 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue mm/page_alloc.c:3082 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: get_page_from_freelist+0xbbe/0x2f80 mm/page_alloc.c:3473
other info that might help us debug this:
context-{2:2}
2 locks held by syz.2.633/8223:
#0: ffff888052440228 (&ctx->ring_lock){+.+.}-{4:4}, at: ioctx_alloc+0x255/0x2010 fs/aio.c:777
#1: ffff88806a744c18 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#1: ffff88806a744c18 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#1: ffff88806a744c18 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#1: ffff88806a744c18 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3473
stack backtrace:
CPU: 1 UID: 0 PID: 8223 Comm: syz.2.633 Not tainted 6.13.0-syzkaller-04858-g21266b8df522 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
print_lock_invalid_wait_context kernel/locking/lockdep.c:4828 [inline]
check_wait_context kernel/locking/lockdep.c:4900 [inline]
__lock_acquire+0x878/0x3c40 kernel/locking/lockdep.c:5178
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5851
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
rmqueue_buddy mm/page_alloc.c:2909 [inline]
rmqueue mm/page_alloc.c:3082 [inline]
get_page_from_freelist+0xbbe/0x2f80 mm/page_alloc.c:3473
__alloc_pages_noprof+0x221/0x2470 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x2c8/0x620 mm/mempolicy.c:2269
stack_depot_save_flags+0x8aa/0x9c0 lib/stackdepot.c:627
kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544
task_work_add+0xc0/0x3b0 kernel/task_work.c:77
__run_posix_cpu_timers kernel/time/posix-cpu-timers.c:1223 [inline]
run_posix_cpu_timers+0x69f/0x7d0 kernel/time/posix-cpu-timers.c:1422
update_process_times+0x1a1/0x2d0 kernel/time/timer.c:2522
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x376/0x530 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1738 [inline]
__hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1802
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1864
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x9f/0xc0 arch/x86/kernel/apic/apic.c:1049
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_acquire.part.0+0x155/0x380 kernel/locking/lockdep.c:5816
Code: b8 ff ff ff ff 65 0f c1 05 d0 ae 8b 7e 83 f8 01 0f 85 d0 01 00 00 9c 58 f6 c4 02 0f 85 e5 01 00 00 48 85 ed 0f 85 b6 01 00 00 <48> b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00 00 00 00 48 c7
RSP: 0018:ffffc9000307f750 EFLAGS: 00000206
RAX: 0000000000000046 RBX: 1ffff9200060feeb RCX: 0000000066d8e38e
RDX: 0000000000000001 RSI: ffffffff8b6cd9c0 RDI: ffffffff8bd2c020
RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff2dd5598
R10: ffffffff96eaacc7 R11: 0000000000000001 R12: 0000000000000001
R13: ffff88806a744c18 R14: 0000000000000000 R15: 0000000000000000
__raw_spin_trylock include/linux/spinlock_api_smp.h:90 [inline]
_raw_spin_trylock+0x63/0x80 kernel/locking/spinlock.c:138
spin_trylock include/linux/spinlock.h:361 [inline]
rmqueue_pcplist mm/page_alloc.c:3032 [inline]
rmqueue mm/page_alloc.c:3076 [inline]
get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3473
__alloc_pages_noprof+0x221/0x2470 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x2c8/0x620 mm/mempolicy.c:2269
folio_alloc_noprof+0x1e/0xc0 mm/mempolicy.c:2356
filemap_alloc_folio_noprof+0x39b/0x470 mm/filemap.c:1000
__filemap_get_folio+0x539/0xaf0 mm/filemap.c:1942
aio_setup_ring fs/aio.c:524 [inline]
ioctx_alloc+0x763/0x2010 fs/aio.c:792
__do_sys_io_setup fs/aio.c:1399 [inline]
__se_sys_io_setup fs/aio.c:1382 [inline]
__x64_sys_io_setup+0xc9/0x210 fs/aio.c:1382
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1774f8cd29
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:00007f1775ec4038 EFLAGS: 00000246 ORIG_RAX: 00000000000000ce
RAX: ffffffffffffffda RBX: 00007f17751a5fa0 RCX: 00007f1774f8cd29
RDX: 0000000000000000 RSI: 0000000020001180 RDI: 0000000000010000
RBP: 00007f177500e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f17751a5fa0 R15: 00007ffd414bfa28
vkms_vblank_simulate: vblank timer overrun
vkms_vblank_simulate: vblank timer overrun
----------------
Code disassembly (best guess):
0: b8 ff ff ff ff mov $0xffffffff,%eax
5: 65 0f c1 05 d0 ae 8b xadd %eax,%gs:0x7e8baed0(%rip) # 0x7e8baedd
c: 7e
d: 83 f8 01 cmp $0x1,%eax
10: 0f 85 d0 01 00 00 jne 0x1e6
16: 9c pushf
17: 58 pop %rax
18: f6 c4 02 test $0x2,%ah
1b: 0f 85 e5 01 00 00 jne 0x206
21: 48 85 ed test %rbp,%rbp
24: 0f 85 b6 01 00 00 jne 0x1e0
* 2a: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax <-- trapping instruction
31: fc ff df
34: 48 01 c3 add %rax,%rbx
37: 48 c7 03 00 00 00 00 movq $0x0,(%rbx)
3e: 48 rex.W
3f: c7 .byte 0xc7