=============================
[ BUG: Invalid wait context ]
6.12.0-rc5-next-20241101-syzkaller #0 Not tainted
-----------------------------
syz.2.1299/10116 is trying to lock:
ffffffff8ea73c58 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8ea73c58 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8ea73c58 (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}
3 locks held by syz.2.1299/10116:
#0: ffff88803299c7e0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:189 [inline]
#0: ffff88803299c7e0 (&mm->mmap_lock){++++}-{4:4}, at: exit_mmap+0x165/0xcb0 mm/mmap.c:1677
#1: ffffffff8e939ee0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#1: ffffffff8e939ee0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#1: ffffffff8e939ee0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287
#2: ffff888060fb1678 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffff888060fb1678 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:402
stack backtrace:
CPU: 1 UID: 0 PID: 10116 Comm: syz.2.1299 Not tainted 6.12.0-rc5-next-20241101-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:__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 ce a2 31 f6 f6 44 24 21 02 75 52 41 f7 c7 00 02 00 00 74 01 fb bf 01 00 00 00 13 6e 95 f5 65 8b 05 34 75 35 74 85 c0 74 43 48 c7 04 24 0e 36
RSP: 0018:ffffc90002d17200 EFLAGS: 00000206
RAX: 775ce59fdb405300 RBX: 1ffff920005a2e44 RCX: ffffffff8171669a
RDX: dffffc0000000000 RSI: ffffffff8c0ad520 RDI: 0000000000000001
RBP: ffffc90002d172a0 R08: ffffffff942d1847 R09: 1ffffffff285a308
R10: dffffc0000000000 R11: fffffbfff285a309 R12: dffffc0000000000
R13: 1ffff920005a2e40 R14: ffffc90002d17220 R15: 0000000000000246
percpu_counter_add include/linux/percpu_counter.h:71 [inline]
add_mm_counter include/linux/mm.h:2610 [inline]
add_mm_rss_vec+0x78/0x310 mm/memory.c:485
zap_pte_range mm/memory.c:1697 [inline]
zap_pmd_range mm/memory.c:1753 [inline]
zap_pud_range mm/memory.c:1782 [inline]
zap_p4d_range mm/memory.c:1803 [inline]
unmap_page_range+0x3484/0x4230 mm/memory.c:1824
unmap_vmas+0x3cc/0x5f0 mm/memory.c:1914
exit_mmap+0x292/0xcb0 mm/mmap.c:1693
__mmput+0x115/0x390 kernel/fork.c:1344
exit_mm+0x220/0x310 kernel/exit.c:570
do_exit+0x9b2/0x28e0 kernel/exit.c:925
do_group_exit+0x207/0x2c0 kernel/exit.c:1087
get_signal+0x16a3/0x1740 kernel/signal.c:2884
arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:337
exit_to_user_mode_loop kernel/entry/common.c:111 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0xc9/0x370 kernel/entry/common.c:218
do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f1c6f97e719
Code: Unable to access opcode bytes at 0x7f1c6f97e6ef.
RSP: 002b:00007f1c706f80e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f1c6fb35f88 RCX: 00007f1c6f97e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f1c6fb35f88
RBP: 00007f1c6fb35f80 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1c6fb35f8c
R13: 0000000000000000 R14: 00007fff9c8f6bc0 R15: 00007fff9c8f6ca8
----------------
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 ce a2 31 f6 call 0xf631a2e2
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 13 6e 95 f5 call 0xf5956e42 <-- trapping instruction
2f: 65 8b 05 34 75 35 74 mov %gs:0x74357534(%rip),%eax # 0x7435756a
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