=============================
[ BUG: Invalid wait context ]
6.13.0-syzkaller-07644-gc2da8b3f914f #0 Not tainted
-----------------------------
syz.2.818/9017 is trying to lock:
ffff88813fffca18 (&zone->lock){-.-.}-{3:3}, at: rmqueue_buddy mm/page_alloc.c:2909 [inline]
ffff88813fffca18 (&zone->lock){-.-.}-{3:3}, at: rmqueue mm/page_alloc.c:3082 [inline]
ffff88813fffca18 (&zone->lock){-.-.}-{3:3}, at: get_page_from_freelist+0xb41/0x37a0 mm/page_alloc.c:3473
other info that might help us debug this:
context-{2:2}
2 locks held by syz.2.818/9017:
#0: ffff88802f993c60 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:190 [inline]
#0: ffff88802f993c60 (&mm->mmap_lock){++++}-{4:4}, at: __mm_populate+0x1b0/0x460 mm/gup.c:2014
#1: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#1: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#1: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#1: ffff8880b86447d8 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d7/0x37a0 mm/page_alloc.c:3473
stack backtrace:
CPU: 0 UID: 0 PID: 9017 Comm: syz.2.818 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_buddy mm/page_alloc.c:2909 [inline]
rmqueue mm/page_alloc.c:3082 [inline]
get_page_from_freelist+0xb41/0x37a0 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+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_irqrestore include/linux/spinlock_api_smp.h:152 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0xd8/0x140 kernel/locking/spinlock.c:194
Code: 9c 8f 44 24 20 42 80 3c 23 00 74 08 4c 89 f7 e8 ee e3 33 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 f3 fc 9d f5 65 8b 05 b4 33 14 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc9000c61ec20 EFLAGS: 00000206
RAX: 79068feca49aea00 RBX: 1ffff920018c3d88 RCX: ffffffff819b470a
RDX: dffffc0000000000 RSI: ffffffff8c0a9200 RDI: 0000000000000001
RBP: ffffc9000c61ecb8 R08: ffffffff942c3847 R09: 1ffffffff2858708
R10: dffffc0000000000 R11: fffffbfff2858709 R12: dffffc0000000000
R13: 1ffff920018c3d84 R14: ffffc9000c61ec40 R15: 0000000000000246
spin_unlock_irqrestore include/linux/spinlock.h:406 [inline]
rmqueue_bulk mm/page_alloc.c:2328 [inline]
__rmqueue_pcplist+0x2231/0x2ad0 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
folio_alloc_mpol_noprof mm/mempolicy.c:2288 [inline]
vma_alloc_folio_noprof+0x12e/0x230 mm/mempolicy.c:2318
folio_prealloc+0x2e/0x170
alloc_anon_folio mm/memory.c:4753 [inline]
do_anonymous_page mm/memory.c:4810 [inline]
do_pte_missing mm/memory.c:3978 [inline]
handle_pte_fault+0x2c98/0x5ed0 mm/memory.c:5820
__handle_mm_fault mm/memory.c:5963 [inline]
handle_mm_fault+0x1165/0x1c60 mm/memory.c:6131
faultin_page mm/gup.c:1196 [inline]
__get_user_pages+0x1c82/0x49e0 mm/gup.c:1494
populate_vma_page_range+0x264/0x330 mm/gup.c:1932
__mm_populate+0x27a/0x460 mm/gup.c:2035
do_mlock+0x6cc/0x850 mm/mlock.c:653
__do_sys_mlock mm/mlock.c:661 [inline]
__se_sys_mlock mm/mlock.c:659 [inline]
__x64_sys_mlock+0x60/0x70 mm/mlock.c:659
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: 0033:0x7fdf58d8cd29
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:00007fdf59b9a038 EFLAGS: 00000246 ORIG_RAX: 0000000000000095
RAX: ffffffffffffffda RBX: 00007fdf58fa5fa0 RCX: 00007fdf58d8cd29
RDX: 0000000000000000 RSI: 0000000000400000 RDI: 0000000020bff000
RBP: 00007fdf58e0e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fdf58fa5fa0 R15: 00007fff40550a68
----------------
Code disassembly (best guess):
0: 9c pushf
1: 8f 44 24 20 pop 0x20(%rsp)
5: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1)
a: 74 08 je 0x14
c: 4c 89 f7 mov %r14,%rdi
f: e8 ee e3 33 f6 call 0xf633e402
14: f6 44 24 21 02 testb $0x2,0x21(%rsp)
19: 75 52 jne 0x6d
1b: 41 f7 c7 00 02 00 00 test $0x200,%r15d
22: 74 01 je 0x25
24: fb sti
25: bf 01 00 00 00 mov $0x1,%edi
* 2a: e8 f3 fc 9d f5 call 0xf59dfd22 <-- trapping instruction
2f: 65 8b 05 b4 33 14 74 mov %gs:0x741433b4(%rip),%eax # 0x741433ea
36: 85 c0 test %eax,%eax
38: 74 43 je 0x7d
3a: 48 rex.W
3b: c7 .byte 0xc7
3c: 04 24 add $0x24,%al
3e: 0e (bad)
3f: 36 ss