============================= [ BUG: Invalid wait context ] 6.13.0-syzkaller-07644-gc2da8b3f914f #0 Not tainted ----------------------------- syz.3.339/7213 is trying to lock: ffff88813fffca18 (&zone->lock){-.-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2309 [inline] ffff88813fffca18 (&zone->lock){-.-.}-{3:3}, at: __rmqueue_pcplist+0x4d8/0x2ad0 mm/page_alloc.c:3003 other info that might help us debug this: context-{2:2} 1 lock held by syz.3.339/7213: #0: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline] #0: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline] #0: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline] #0: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d7/0x37a0 mm/page_alloc.c:3473 stack backtrace: CPU: 0 UID: 0 PID: 7213 Comm: syz.3.339 Not tainted 6.13.0-syzkaller-07644-gc2da8b3f914f #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 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:4828 [inline] check_wait_context kernel/locking/lockdep.c:4900 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5178 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __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:2309 [inline] __rmqueue_pcplist+0x4d8/0x2ad0 mm/page_alloc.c:3003 rmqueue_pcplist mm/page_alloc.c:3045 [inline] rmqueue mm/page_alloc.c:3076 [inline] get_page_from_freelist+0x88a/0x37a0 mm/page_alloc.c:3473 __alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753 alloc_pages_mpol_noprof+0x3e1/0x780 mm/mempolicy.c:2269 stack_depot_save_flags+0x72d/0x940 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:1223 [inline] run_posix_cpu_timers+0x6ac/0x810 kernel/time/posix-cpu-timers.c:1422 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:1738 [inline] __hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1802 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1864 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: 0033:0x7fa5d77bf5e5 Code: 24 0c 89 3c 24 48 89 4c 24 18 e8 f6 54 ff ff 4c 8b 54 24 18 48 8b 54 24 10 41 89 c0 8b 74 24 0c 8b 3c 24 b8 e6 00 00 00 0f 05 <44> 89 c7 48 89 04 24 e8 4f 55 ff ff 48 8b 04 24 48 83 c4 28 f7 d8 RSP: 002b:00007fffecfd9620 EFLAGS: 00000293 RAX: 0000000000000000 RBX: 00007fa5d79a5fa0 RCX: 00007fa5d77bf5e5 RDX: 00007fffecfd9660 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007fa5d79a7ba0 R08: 0000000000000000 R09: 7fffffffffffffff R10: 0000000000000000 R11: 0000000000000293 R12: 000000000003815d R13: 00007fa5d79a5fa0 R14: 0000000000000032 R15: ffffffffffffffff