=============================
[ BUG: Invalid wait context ]
6.12.0-rc6-next-20241105-syzkaller #0 Not tainted
-----------------------------
syz.2.26/6032 is trying to lock:
ffffffff8ea75ed8 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8ea75ed8 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8ea75ed8 (stack_list_lock){-.-.}-{3:3}, at: __set_page_owner+0x5cb/0x800 mm/page_owner.c:329
other info that might help us debug this:
context-{2:2}
1 lock held by syz.2.26/6032:
#0: ffff888032e5a9e0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:189 [inline]
#0: ffff888032e5a9e0 (&mm->mmap_lock){++++}-{4:4}, at: __mm_populate+0x1b0/0x460 mm/gup.c:2005
stack backtrace:
CPU: 0 UID: 0 PID: 6032 Comm: syz.2.26 Not tainted 6.12.0-rc6-next-20241105-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
add_stack_record_to_list mm/page_owner.c:182 [inline]
inc_stack_record_count mm/page_owner.c:214 [inline]
__set_page_owner+0x5cb/0x800 mm/page_owner.c:329
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1541
prep_new_page mm/page_alloc.c:1549 [inline]
get_page_from_freelist+0x3725/0x3870 mm/page_alloc.c:3495
__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:seqcount_lockdep_reader_access+0x189/0x1e0 include/linux/seqlock.h:75
Code: 42 80 3c 23 00 74 08 4c 89 ff e8 42 b9 0d 00 f6 44 24 41 02 75 50 f7 44 24 18 00 02 00 00 74 01 fb 48 c7 44 24 20 0e 36 e0 45 <4b> c7 04 34 00 00 00 00 66 43 c7 44 34 09 00 00 43 c6 44 34 0b 00
RSP: 0018:ffffc9000324ea00 EFLAGS: 00000206
RAX: f966c463082bc800 RBX: 1ffff92000649d48 RCX: ffffffff8171768a
RDX: dffffc0000000000 RSI: ffffffff8c0ad7a0 RDI: ffffffff8c605480
RBP: ffffc9000324ead8 R08: ffffffff942d1877 R09: 1ffffffff285a30e
R10: dffffc0000000000 R11: fffffbfff285a30f R12: dffffc0000000000
R13: ffff88813fffbd58 R14: 1ffff92000649d44 R15: ffffc9000324ea40
read_seqbegin include/linux/seqlock.h:757 [inline]
zone_span_seqbegin include/linux/memory_hotplug.h:103 [inline]
page_outside_zone_boundaries mm/page_alloc.c:437 [inline]
bad_range+0x5f/0x270 mm/page_alloc.c:456
rmqueue mm/page_alloc.c:3112 [inline]
get_page_from_freelist+0x3709/0x3870 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
folio_alloc_mpol_noprof+0x36/0x50 mm/mempolicy.c:2283
shmem_alloc_folio mm/shmem.c:1796 [inline]
shmem_alloc_and_add_folio+0x49b/0x13d0 mm/shmem.c:1835
shmem_get_folio_gfp+0x5a9/0x20a0 mm/shmem.c:2357
shmem_fault+0x253/0x6f0 mm/shmem.c:2558
__do_fault+0x135/0x460 mm/memory.c:4914
do_read_fault mm/memory.c:5329 [inline]
do_fault mm/memory.c:5463 [inline]
do_pte_missing mm/memory.c:3986 [inline]
handle_pte_fault+0x3c01/0x66b0 mm/memory.c:5808
__handle_mm_fault mm/memory.c:5951 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6119
faultin_page mm/gup.c:1187 [inline]
__get_user_pages+0x1c82/0x49e0 mm/gup.c:1485
populate_vma_page_range+0x264/0x330 mm/gup.c:1923
__mm_populate+0x27a/0x460 mm/gup.c:2026
mm_populate include/linux/mm.h:3385 [inline]
vm_mmap_pgoff+0x303/0x430 mm/util.c:585
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: 0033:0x7f2e0257e719
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:00007f2e0333b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f2e02735f80 RCX: 00007f2e0257e719
RDX: b635773f06ebbeee RSI: 0000000000b36000 RDI: 0000000020000000
RBP: 00007f2e025f139e R08: ffffffffffffffff R09: 0000000000000000
R10: 0000000000008031 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f2e02735f80 R15: 00007ffc3dbd7348
----------------
Code disassembly (best guess):
0: 42 80 3c 23 00 cmpb $0x0,(%rbx,%r12,1)
5: 74 08 je 0xf
7: 4c 89 ff mov %r15,%rdi
a: e8 42 b9 0d 00 call 0xdb951
f: f6 44 24 41 02 testb $0x2,0x41(%rsp)
14: 75 50 jne 0x66
16: f7 44 24 18 00 02 00 testl $0x200,0x18(%rsp)
1d: 00
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 20 0e 36 movq $0x45e0360e,0x20(%rsp)
28: e0 45
* 2a: 4b c7 04 34 00 00 00 movq $0x0,(%r12,%r14,1) <-- trapping instruction
31: 00
32: 66 43 c7 44 34 09 00 movw $0x0,0x9(%r12,%r14,1)
39: 00
3a: 43 c6 44 34 0b 00 movb $0x0,0xb(%r12,%r14,1)