=============================
[ BUG: Invalid wait context ]
6.12.0-rc5-next-20241101-syzkaller #0 Not tainted
-----------------------------
syz.1.388/7712 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.1.388/7712:
#0: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#0: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3051 [inline]
#0: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3095 [inline]
#0: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7e2/0x3870 mm/page_alloc.c:3492
stack backtrace:
CPU: 1 UID: 0 PID: 7712 Comm: syz.1.388 Not tainted 6.12.0-rc5-next-20241101-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:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 90 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 2a b5 a2 f5 48 89 df e8 62 fc a3 f5 e8 ed 21 cf f5 fb bf 01 00 00 00 72 6d 95 f5 65 8b 05 93 74 35 74 85 c0 74 06 5b c3 cc cc cc cc
RSP: 0000:ffffc9000374f910 EFLAGS: 00000282
RAX: 70526d888cf0bd00 RBX: ffffc9000374fb28 RCX: ffffffff9a3d8903
RDX: dffffc0000000000 RSI: ffffffff8c0ad520 RDI: 0000000000000001
RBP: ffffc9000374fa70 R08: ffffffff901d0fb7 R09: 1ffffffff203a1f6
R10: dffffc0000000000 R11: fffffbfff203a1f7 R12: ffffc9000374fb20
R13: ffffc9000374f9e8 R14: 0000000000000000 R15: dffffc0000000000
__wait_for_common kernel/sched/completion.c:117 [inline]
wait_for_common kernel/sched/completion.c:127 [inline]
wait_for_completion+0x555/0x620 kernel/sched/completion.c:148
rdmsr_safe_on_cpu+0x16c/0x310 arch/x86/lib/msr-smp.c:181
msr_read+0x15d/0x260 arch/x86/kernel/msr.c:66
vfs_read+0x1fc/0xb70 fs/read_write.c:567
ksys_read+0x183/0x2b0 fs/read_write.c:712
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: 0033:0x7fe48377e719
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:00007fe481bf6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fe483935f80 RCX: 00007fe48377e719
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007fe4837f132e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe483935f80 R15: 00007ffc3ab03e88
----------------
Code disassembly (best guess):
0: 90 nop
1: f3 0f 1e fa endbr64
5: 53 push %rbx
6: 48 89 fb mov %rdi,%rbx
9: 48 83 c7 18 add $0x18,%rdi
d: 48 8b 74 24 08 mov 0x8(%rsp),%rsi
12: e8 2a b5 a2 f5 call 0xf5a2b541
17: 48 89 df mov %rbx,%rdi
1a: e8 62 fc a3 f5 call 0xf5a3fc81
1f: e8 ed 21 cf f5 call 0xf5cf2211
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 72 6d 95 f5 call 0xf5956da1 <-- trapping instruction
2f: 65 8b 05 93 74 35 74 mov %gs:0x74357493(%rip),%eax # 0x743574c9
36: 85 c0 test %eax,%eax
38: 74 06 je 0x40
3a: 5b pop %rbx
3b: c3 ret
3c: cc int3
3d: cc int3
3e: cc int3
3f: cc int3