=============================
[ BUG: Invalid wait context ]
6.12.0-rc5-next-20241030-syzkaller #0 Not tainted
-----------------------------
syz.1.67/6158 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}
4 locks held by syz.1.67/6158:
#0: ffffffff8e7da0b8 (low_water_lock){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#0: ffffffff8e7da0b8 (low_water_lock){+.+.}-{3:3}, at: check_stack_usage kernel/exit.c:848 [inline]
#0: ffffffff8e7da0b8 (low_water_lock){+.+.}-{3:3}, at: do_exit+0x1e78/0x28e0 kernel/exit.c:981
#1: ffffffff8e8154c0 (console_lock){+.+.}-{0:0}, at: _printk+0xd5/0x120 kernel/printk/printk.c:2450
#2: ffffffff8e8150d0 (console_srcu){....}-{0:0}, at: rcu_try_lock_acquire include/linux/rcupdate.h:342 [inline]
#2: ffffffff8e8150d0 (console_srcu){....}-{0:0}, at: srcu_read_lock_nmisafe include/linux/srcu.h:303 [inline]
#2: ffffffff8e8150d0 (console_srcu){....}-{0:0}, at: console_srcu_read_lock kernel/printk/printk.c:288 [inline]
#2: ffffffff8e8150d0 (console_srcu){....}-{0:0}, at: console_flush_all+0x1a3/0xeb0 kernel/printk/printk.c:3175
#3: ffff8880b8744858 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#3: ffff8880b8744858 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3051 [inline]
#3: ffff8880b8744858 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3095 [inline]
#3: ffff8880b8744858 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7e2/0x3870 mm/page_alloc.c:3492
stack backtrace:
CPU: 1 UID: 0 PID: 6158 Comm: syz.1.67 Not tainted 6.12.0-rc5-next-20241030-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__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
asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:console_flush_all+0x996/0xeb0
Code: 48 21 c3 0f 85 16 02 00 00 e8 96 bf 20 00 4c 8b 7c 24 10 4d 85 f6 75 07 e8 87 bf 20 00 eb 06 e8 80 bf 20 00 fb 48 8b 5c 24 18 <48> 8b 44 24 30 42 80 3c 28 00 74 08 48 89 df e8 16 f8 8a 00 4c 8b
RSP: 0018:ffffc9000bb67600 EFLAGS: 00000293
RAX: ffffffff817463b0 RBX: ffffffff8f17b6f8 RCX: ffff88801d3f5a00
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc9000bb677b0 R08: ffffffff81746387 R09: 1ffffffff2859b08
R10: dffffc0000000000 R11: fffffbfff2859b09 R12: ffffffff8f17b6a0
R13: dffffc0000000000 R14: 0000000000000200 R15: ffffc9000bb67800
__console_flush_and_unlock kernel/printk/printk.c:3257 [inline]
console_unlock+0x14f/0x3b0 kernel/printk/printk.c:3297
vprintk_emit+0x730/0xa10 kernel/printk/printk.c:2425
_printk+0xd5/0x120 kernel/printk/printk.c:2450
check_stack_usage kernel/exit.c:850 [inline]
do_exit+0x1edc/0x28e0 kernel/exit.c:981
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2884
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0bf077e719
Code: Unable to access opcode bytes at 0x7f0bf077e6ef.
RSP: 002b:00007f0bf14eb038 EFLAGS: 00000246 ORIG_RAX: 000000000000010f
RAX: fffffffffffffdfe RBX: 00007f0bf0935f80 RCX: 00007f0bf077e719
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f0bf07f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f0bf0935f80 R15: 00007fff36048b88
----------------
Code disassembly (best guess):
0: 48 21 c3 and %rax,%rbx
3: 0f 85 16 02 00 00 jne 0x21f
9: e8 96 bf 20 00 call 0x20bfa4
e: 4c 8b 7c 24 10 mov 0x10(%rsp),%r15
13: 4d 85 f6 test %r14,%r14
16: 75 07 jne 0x1f
18: e8 87 bf 20 00 call 0x20bfa4
1d: eb 06 jmp 0x25
1f: e8 80 bf 20 00 call 0x20bfa4
24: fb sti
25: 48 8b 5c 24 18 mov 0x18(%rsp),%rbx
* 2a: 48 8b 44 24 30 mov 0x30(%rsp),%rax <-- trapping instruction
2f: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
34: 74 08 je 0x3e
36: 48 89 df mov %rbx,%rdi
39: e8 16 f8 8a 00 call 0x8af854
3e: 4c rex.WR
3f: 8b .byte 0x8b