=============================
[ BUG: Invalid wait context ]
6.13.0-rc6-syzkaller-00036-gfbfd64d25c7a #0 Not tainted
-----------------------------
sshd/5917 is trying to lock:
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2309 [inline]
ffff88807ffd8298 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x6bb/0x1600 mm/page_alloc.c:3003
other info that might help us debug this:
context-{2:2}
5 locks held by sshd/5917:
#0: ffff888025200148 (&vma->vm_lock->lock){++++}-{4:4}, at: vma_start_read include/linux/mm.h:717 [inline]
#0: ffff888025200148 (&vma->vm_lock->lock){++++}-{4:4}, at: lock_vma_under_rcu+0x13e/0x980 mm/memory.c:6278
#1: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8e1bb900 (rcu_read_lock){....}-{1:3}, at: ___pte_offset_map+0x42/0x540 mm/pgtable-generic.c:287
#2: ffff88816da3c018 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffff88816da3c018 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0xf1/0x300 mm/pgtable-generic.c:402
#3: ffff88806a83ebd8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:598
#4: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#4: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#4: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#4: ffff88806a844c58 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x350/0x2f80 mm/page_alloc.c:3473
stack backtrace:
CPU: 2 UID: 0 PID: 5917 Comm: sshd Not tainted 6.13.0-rc6-syzkaller-00036-gfbfd64d25c7a #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+0x116/0x1f0 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+0x878/0x3c40 kernel/locking/lockdep.c:5176
lock_acquire.part.0+0x11b/0x380 kernel/locking/lockdep.c:5849
__raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
_raw_spin_lock_irqsave+0x3a/0x60 kernel/locking/spinlock.c:162
rmqueue_bulk mm/page_alloc.c:2309 [inline]
__rmqueue_pcplist+0x6bb/0x1600 mm/page_alloc.c:3003
rmqueue_pcplist mm/page_alloc.c:3045 [inline]
rmqueue mm/page_alloc.c:3076 [inline]
get_page_from_freelist+0x3d2/0x2f80 mm/page_alloc.c:3473
__alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269
stack_depot_save_flags+0x8aa/0x9c0 lib/stackdepot.c:627
save_stack+0x16f/0x1f0 mm/page_owner.c:157
__set_page_owner+0x8b/0x560 mm/page_owner.c:320
set_page_owner include/linux/page_owner.h:32 [inline]
post_alloc_hook+0x2d1/0x350 mm/page_alloc.c:1558
prep_new_page mm/page_alloc.c:1566 [inline]
get_page_from_freelist+0xfce/0x2f80 mm/page_alloc.c:3476
__alloc_pages_noprof+0x223/0x25b0 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x2c9/0x610 mm/mempolicy.c:2269
stack_depot_save_flags+0x8aa/0x9c0 lib/stackdepot.c:627
kasan_save_stack+0x42/0x60 mm/kasan/common.c:48
__kasan_record_aux_stack+0xba/0xd0 mm/kasan/generic.c:544
task_work_add+0xc0/0x3b0 kernel/task_work.c:77
task_tick_numa kernel/sched/fair.c:3616 [inline]
task_tick_fair+0x524/0x8e0 kernel/sched/fair.c:13101
sched_tick+0x1dd/0x4f0 kernel/sched/core.c:5652
update_process_times+0x19c/0x2d0 kernel/time/timer.c:2524
tick_sched_handle kernel/time/tick-sched.c:276 [inline]
tick_nohz_handler+0x376/0x530 kernel/time/tick-sched.c:297
__run_hrtimer kernel/time/hrtimer.c:1739 [inline]
__hrtimer_run_queues+0x5fb/0xae0 kernel/time/hrtimer.c:1803
hrtimer_interrupt+0x392/0x8e0 kernel/time/hrtimer.c:1865
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
__sysvec_apic_timer_interrupt+0x10f/0x400 arch/x86/kernel/apic/apic.c:1055
instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
sysvec_apic_timer_interrupt+0x9f/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_nr_pages include/linux/mm.h:2059 [inline]
RIP: 0010:folio_add_new_anon_rmap+0x5e/0x1980 mm/rmap.c:1429
Code: c5 48 89 c7 e8 13 64 12 00 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 31 16 00 00 4d 8b 6d 00 31 ff <41> bf 01 00 00 00 49 c1 ed 06 41 83 e5 01 44 89 ee e8 dc b3 af ff
RSP: 0000:ffffc90003e3fbc0 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: ffffea0000db95c0 RCX: ffffffff81ea5f5d
RDX: 1ffffd40001b72b8 RSI: 0000000000000008 RDI: 0000000000000000
RBP: ffff888028016c98 R08: 0000000000000000 R09: fffff940001b72b8
R10: ffffea0000db95c7 R11: 0000000000000002 R12: 00007faadc7c5000
R13: 00fff00000000008 R14: 0000000000000001 R15: 0000000000000000
do_anonymous_page mm/memory.c:4855 [inline]
do_pte_missing+0x2a89/0x3e00 mm/memory.c:3977
handle_pte_fault mm/memory.c:5801 [inline]
__handle_mm_fault+0x103c/0x2a40 mm/memory.c:5944
handle_mm_fault+0x3fa/0xaa0 mm/memory.c:6112
do_user_addr_fault+0x60d/0x13f0 arch/x86/mm/fault.c:1338
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x55f827b5d823
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:00007ffe868ccb20 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000340000 RCX: 0000000000085e10
RDX: 0000000000000002 RSI: 00007faadc15f000 RDI: 00007faadc7c5000
RBP: 00007faadc50e010 R08: 00007faadc50e010 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000246 R12: 0000000000340000
R13: 00007faadbea8010 R14: 000000000033ce00 R15: 00007ffe868cccd8
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 48 89 c7 mov %rax,%rdi
3: e8 13 64 12 00 call 0x12641b
8: 4c 89 ea mov %r13,%rdx
b: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
12: fc ff df
15: 48 c1 ea 03 shr $0x3,%rdx
19: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
1d: 0f 85 31 16 00 00 jne 0x1654
23: 4d 8b 6d 00 mov 0x0(%r13),%r13
27: 31 ff xor %edi,%edi
* 29: 41 bf 01 00 00 00 mov $0x1,%r15d <-- trapping instruction
2f: 49 c1 ed 06 shr $0x6,%r13
33: 41 83 e5 01 and $0x1,%r13d
37: 44 89 ee mov %r13d,%esi
3a: e8 dc b3 af ff call 0xffafb41b