=============================
[ BUG: Invalid wait context ]
6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #0 Not tainted
-----------------------------
sshd/5267 is trying to lock:
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2309 [inline]
ffff88805ffd7298 (&zone->lock){..-.}-{3:3}, at: __rmqueue_pcplist+0x4a2/0x2a90 mm/page_alloc.c:3003
other info that might help us debug this:
context-{2:2}
4 locks held by sshd/5267:
#0: ffff888000688ba0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_downgrade include/linux/mmap_lock.h:138 [inline]
#0: ffff888000688ba0 (&mm->mmap_lock){++++}-{4:4}, at: vms_complete_munmap_vmas+0x196/0x8f0 mm/vma.c:1180
#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: page_ext_get+0x20/0x2a0 mm/page_ext.c:525
#2: ffff88801fc3e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3032 [inline]
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3076 [inline]
#3: ffff88801fc44ad8 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7d3/0x37a0 mm/page_alloc.c:3473
stack backtrace:
CPU: 0 UID: 0 PID: 5267 Comm: sshd Not tainted 6.13.0-rc5-syzkaller-00012-g0bc21e701a6f #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
rmqueue_bulk mm/page_alloc.c:2309 [inline]
__rmqueue_pcplist+0x4a2/0x2a90 mm/page_alloc.c:3003
rmqueue_pcplist mm/page_alloc.c:3045 [inline]
rmqueue mm/page_alloc.c:3076 [inline]
get_page_from_freelist+0x886/0x37a0 mm/page_alloc.c:3473
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4753
alloc_pages_mpol_noprof+0x3e8/0x680 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:__kernel_text_address+0x2c/0x40 kernel/extable.c:79
Code: 1f 00 53 48 89 fb e8 43 00 00 00 85 c0 0f 95 c0 48 c7 c1 00 20 79 91 48 39 cb 0f 93 c1 48 c7 c2 af 28 94 91 48 39 d3 0f 92 c2 <20> ca 08 c2 0f b6 c2 5b c3 cc cc cc cc 0f 1f 80 00 00 00 00 90 90
RSP: 0018:ffffc9000d22f010 EFLAGS: 00000293
RAX: 0000000000000001 RBX: ffffffff81f03e0c RCX: ffffffff91792000
RDX: ffffffff91942801 RSI: ffffc9000d228000 RDI: ffffffff81f03e0c
RBP: ffffc9000d22f0d0 R08: ffffc9000d22fd90 R09: 0000000000000000
R10: ffffc9000d22f090 R11: fffff52001a45e14 R12: ffff88800097c880
R13: ffffffff818b39d0 R14: dffffc0000000000 R15: 1ffff92001a45e11
unwind_get_return_address+0x4d/0x90 arch/x86/kernel/unwind_orc.c:369
arch_stack_walk+0xfd/0x150 arch/x86/kernel/stacktrace.c:26
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
save_stack+0xfb/0x1f0 mm/page_owner.c:156
__reset_page_owner+0x76/0x430 mm/page_owner.c:297
reset_page_owner include/linux/page_owner.h:25 [inline]
free_pages_prepare mm/page_alloc.c:1127 [inline]
free_unref_folios+0xe39/0x18b0 mm/page_alloc.c:2706
folios_put_refs+0x76c/0x860 mm/swap.c:962
free_pages_and_swap_cache+0x2ea/0x690 mm/swap_state.c:332
__tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline]
tlb_batch_pages_flush mm/mmu_gather.c:149 [inline]
tlb_flush_mmu_free mm/mmu_gather.c:366 [inline]
tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373
tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465
vms_clear_ptes+0x437/0x530 mm/vma.c:1143
vms_complete_munmap_vmas+0x210/0x8f0 mm/vma.c:1185
do_vmi_align_munmap+0x5ef/0x6f0 mm/vma.c:1444
do_vmi_munmap+0x24e/0x2d0 mm/vma.c:1492
__vm_munmap+0x24c/0x480 mm/mmap.c:1368
__do_sys_munmap mm/mmap.c:1385 [inline]
__se_sys_munmap mm/mmap.c:1382 [inline]
__x64_sys_munmap+0x60/0x70 mm/mmap.c:1382
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: 0033:0x7f8858f04817
Code: ff ff 76 10 48 8b 15 10 36 0d 00 f7 d8 64 89 02 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 b8 0b 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 35 0d 00 f7 d8 64 89 01 48
RSP: 002b:00007ffea45e5d48 EFLAGS: 00000207 ORIG_RAX: 000000000000000b
RAX: ffffffffffffffda RBX: fffffffffffffe98 RCX: 00007f8858f04817
RDX: 0000000000000000 RSI: 0000000000291000 RDI: 00007f8858b43000
RBP: 0000000000000020 R08: 00007f8858b43000 R09: 0000000000000000
R10: 0000000000000022 R11: 0000000000000207 R12: 00007f8858b43000
R13: 00007f8858b43010 R14: 0000000000290000 R15: 00007ffea45e5f28
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 00 53 48 add %dl,0x48(%rbx)
3: 89 fb mov %edi,%ebx
5: e8 43 00 00 00 call 0x4d
a: 85 c0 test %eax,%eax
c: 0f 95 c0 setne %al
f: 48 c7 c1 00 20 79 91 mov $0xffffffff91792000,%rcx
16: 48 39 cb cmp %rcx,%rbx
19: 0f 93 c1 setae %cl
1c: 48 c7 c2 af 28 94 91 mov $0xffffffff919428af,%rdx
23: 48 39 d3 cmp %rdx,%rbx
26: 0f 92 c2 setb %dl
* 29: 20 ca and %cl,%dl <-- trapping instruction
2b: 08 c2 or %al,%dl
2d: 0f b6 c2 movzbl %dl,%eax
30: 5b pop %rbx
31: c3 ret
32: cc int3
33: cc int3
34: cc int3
35: cc int3
36: 0f 1f 80 00 00 00 00 nopl 0x0(%rax)
3d: 90 nop
3e: 90 nop