=============================
[ BUG: Invalid wait context ]
6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #0 Not tainted
-----------------------------
sshd/5214 is trying to lock:
ffffffff8ea6dd58 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8ea6dd58 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8ea6dd58 (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}
4 locks held by sshd/5214:
#0: ffff888035a923d0 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:717 [inline]
#0: ffff888035a923d0 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x34b/0x790 mm/memory.c:6278
#1: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: ___pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287
#2: ffff88801ef82af8 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffff88801ef82af8 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:402
#3: ffff88801fc3e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
stack backtrace:
CPU: 0 UID: 0 PID: 5214 Comm: sshd Not tainted 6.13.0-rc7-syzkaller-00191-gfda5e3f28400 #0
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3476
__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:3616 [inline]
task_tick_fair+0x58c/0x7b0 kernel/sched/fair.c:13101
sched_tick+0x21e/0x660 kernel/sched/core.c:5652
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+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:folio_add_lru_vma+0x4/0x120 mm/swap.c:495
Code: 5d fe ff ff e8 ad 34 c3 ff e8 08 0a 2e ff e9 1f fc ff ff 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 <41> 57 41 56 41 54 53 49 89 f7 49 89 fe 49 bc 00 00 00 00 00 fc ff
RSP: 0000:ffffc9000d1cf958 EFLAGS: 00000286
RAX: ffffffff81f307a4 RBX: ffffea000116b8c0 RCX: ffff888000bfc880
RDX: 0000000000000000 RSI: ffff8880409543e0 RDI: ffffea000116b8c0
RBP: ffffc9000d1cfc70 R08: ffffffff81f30799 R09: 1ffffd400022d718
R10: dffffc0000000000 R11: fffff9400022d719 R12: dffffc0000000000
R13: ffffc9000d1cfe58 R14: 0000000000000000 R15: ffff8880409543e0
do_anonymous_page mm/memory.c:4856 [inline]
do_pte_missing mm/memory.c:3977 [inline]
handle_pte_fault+0x488b/0x5ed0 mm/memory.c:5801
__handle_mm_fault mm/memory.c:5944 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6112
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8b0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x55c4c45f3823
Code: 4c 89 ed 4c 89 e7 f3 aa eb 48 4c 89 e7 e8 95 48 f7 ff 48 89 c5 48 85 c0 74 38 48 89 c7 4c 89 ee 4d 39 f4 76 11 4c 89 f1 31 c0 a4 4c 89 e1 4c 29 f1 f3 aa eb 05 4c 89 e1 f3 a4 4c 89 ef 48 83
RSP: 002b:00007ffde1ee94f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 00000000003b8000 RCX: 00000000000ff010
RDX: 0000000000000002 RSI: 00007f731874f000 RDI: 00007f7318396000
RBP: 00007f73180e5010 R08: 00007f73180e5010 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 00000000003b8000
R13: 00007f731849e010 R14: 00000000003b0000 R15: 00007ffde1ee96a8
----------------
Code disassembly (best guess), 4 bytes skipped:
0: e8 ad 34 c3 ff call 0xffc334b2
5: e8 08 0a 2e ff call 0xff2e0a12
a: e9 1f fc ff ff jmp 0xfffffc2e
f: 0f 1f 00 nopl (%rax)
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
16: 90 nop
17: 90 nop
18: 90 nop
19: 90 nop
1a: 90 nop
1b: 90 nop
1c: 90 nop
1d: 90 nop
1e: 90 nop
1f: 90 nop
20: 90 nop
21: 90 nop
22: 66 0f 1f 00 nopw (%rax)
* 26: 41 57 push %r15 <-- trapping instruction
28: 41 56 push %r14
2a: 41 54 push %r12
2c: 53 push %rbx
2d: 49 89 f7 mov %rsi,%r15
30: 49 89 fe mov %rdi,%r14
33: 49 rex.WB
34: bc 00 00 00 00 mov $0x0,%esp
39: 00 fc add %bh,%ah
3b: ff .byte 0xff