============================= [ BUG: Invalid wait context ] 6.13.0-syzkaller-01141-g62de6e168526 #0 Not tainted ----------------------------- syz-execprog/5828 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} 2 locks held by syz-execprog/5828: #0: ffff8880b863e798 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #1: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline] #1: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline] #1: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline] #1: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d7/0x37a0 mm/page_alloc.c:3473 stack backtrace: CPU: 0 UID: 0 PID: 5828 Comm: syz-execprog Not tainted 6.13.0-syzkaller-01141-g62de6e168526 #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 task_tick_numa kernel/sched/fair.c:3614 [inline] task_tick_fair+0x30d/0x4e0 kernel/sched/fair.c:13074 sched_tick+0x21e/0x660 kernel/sched/core.c:5656 update_process_times+0x276/0x2f0 kernel/time/timer.c:2524 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:1739 [inline] __hrtimer_run_queues+0x551/0xd30 kernel/time/hrtimer.c:1803 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1865 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: 0033:0x57efc6 Code: 00 00 00 44 89 84 24 b8 00 00 00 4c 89 8c 24 c0 00 00 00 48 8b 10 0f b6 92 98 00 00 00 88 54 24 4f 45 31 d2 eb 04 4d 8d 55 01 <4c> 39 53 20 0f 8e 46 03 00 00 4c 8b 63 18 4d 89 d5 49 c1 e2 04 4f RSP: 002b:000000c0006d34b0 EFLAGS: 00000246 RAX: 000000c0001e82d0 RBX: 000000c0001e8310 RCX: 000000c0001e82e0 RDX: 0000000000000000 RSI: 0000000000c1660c RDI: 0000000000c1660b RBP: 000000c0006d3530 R08: 0000000000000061 R09: 000000c0006d35b0 R10: 0000000000000003 R11: 0000000000000000 R12: 000000c000159b08 R13: 0000000000000002 R14: 000000c00127ce00 R15: 0000000000000030