============================= [ BUG: Invalid wait context ] 6.12.0-rc5-next-20241031-syzkaller #0 Not tainted ----------------------------- syz.7.1390/14296 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.7.1390/14296: #0: ffff8880b8644618 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline] #0: ffff8880b8644618 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3051 [inline] #0: ffff8880b8644618 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3095 [inline] #0: ffff8880b8644618 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7e2/0x3870 mm/page_alloc.c:3492 stack backtrace: CPU: 0 UID: 0 PID: 14296 Comm: syz.7.1390 Not tainted 6.12.0-rc5-next-20241031-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+0x52/0xc0 arch/x86/kernel/apic/apic.c:1049 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0033:0x7fe496e5cbba Code: 03 0c 32 80 3d ee ae 2d 00 00 4d 89 cc 4c 89 ca 74 28 25 ff 0f 00 00 83 f0 3d 8d 04 c0 89 c2 c1 ea 04 31 c2 69 d2 2d eb d4 27 <89> d0 c1 e8 0f 31 c2 81 e2 ff 0f 00 00 4c 31 ca 80 3d 77 54 2d 00 RSP: 002b:00007ffce4d0bbd0 EFLAGS: 00000a83 RAX: 0000000000004e6f RBX: 00007fe497c65720 RCX: ffffffff898a83f5 RDX: 00000000dcecdd15 RSI: ffffffff898a83f5 RDI: 00007fe4965fd000 RBP: 0000000000000000 R08: 00007fe497120000 R09: ffffffff8a5d5f2e R10: 00000000898a83f9 R11: 000000000000000d R12: ffffffff8a5d5f2e R13: 00007fe4971360f0 R14: 0000000000000008 R15: 0000000000035d67