=============================
[ BUG: Invalid wait context ]
6.12.0-rc5-next-20241101-syzkaller #0 Not tainted
-----------------------------
syz.9.569/9034 is trying to lock:
ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: rmqueue_bulk mm/page_alloc.c:2328 [inline]
ffff88813fffc298 (&zone->lock){-.-.}-{3:3}, at: __rmqueue_pcplist+0x4c6/0x2b70 mm/page_alloc.c:3022
other info that might help us debug this:
context-{2:2}
4 locks held by syz.9.569/9034:
#0: ffff88802a286fe0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock include/linux/mmap_lock.h:189 [inline]
#0: ffff88802a286fe0 (&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: ffff88807a8f95b8 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#2: ffff88807a8f95b8 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:402
#3: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#3: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3051 [inline]
#3: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3095 [inline]
#3: ffff8880b8744818 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7e2/0x3870 mm/page_alloc.c:3492
stack backtrace:
CPU: 1 UID: 0 PID: 9034 Comm: syz.9.569 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
rmqueue_bulk mm/page_alloc.c:2328 [inline]
__rmqueue_pcplist+0x4c6/0x2b70 mm/page_alloc.c:3022
rmqueue_pcplist mm/page_alloc.c:3064 [inline]
rmqueue mm/page_alloc.c:3095 [inline]
get_page_from_freelist+0x895/0x3870 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
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:_compound_head include/linux/page-flags.h:242 [inline]
RIP: 0010:zap_present_ptes mm/memory.c:1568 [inline]
RIP: 0010:zap_pte_range mm/memory.c:1627 [inline]
RIP: 0010:zap_pmd_range mm/memory.c:1753 [inline]
RIP: 0010:zap_pud_range mm/memory.c:1782 [inline]
RIP: 0010:zap_p4d_range mm/memory.c:1803 [inline]
RIP: 0010:unmap_page_range+0xb0a/0x4230 mm/memory.c:1824
Code: 8b 74 24 28 4c 89 fa e8 d4 d4 ff ff 48 85 c0 0f 84 d9 01 00 00 48 89 44 24 30 48 8d 58 08 48 89 d8 48 c1 e8 03 42 80 3c 20 00 <74> 08 48 89 df e8 ec 4c 1c 00 48 8b 1b 48 89 de 48 83 e6 01 31 ff
RSP: 0018:ffffc9000405f2e0 EFLAGS: 00000246
RAX: 1ffffd4000a00011 RBX: ffffea0005000088 RCX: ffff88802ec25a00
RDX: 0000000000000000 RSI: 0000000000140002 RDI: 00000000000131b5
RBP: ffffc9000405f610 R08: ffffffff81e38aa4 R09: 1ffff11005450ecd
R10: dffffc0000000000 R11: ffffed1005450ece R12: dffffc0000000000
R13: 1ffff1100bc643db R14: ffff88802a286e00 R15: 0000000140002867
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: 0033:0x7f0259d7e719
Code: Unable to access opcode bytes at 0x7f0259d7e6ef.
RSP: 002b:00007f025ab3f0e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 00007f0259f36060 RCX: 00007f0259d7e719
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f0259f36060
RBP: 00007f0259f36058 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0259f36064
R13: 0000000000000000 R14: 00007fff417d5c20 R15: 00007fff417d5d08
----------------
Code disassembly (best guess):
0: 8b 74 24 28 mov 0x28(%rsp),%esi
4: 4c 89 fa mov %r15,%rdx
7: e8 d4 d4 ff ff call 0xffffd4e0
c: 48 85 c0 test %rax,%rax
f: 0f 84 d9 01 00 00 je 0x1ee
15: 48 89 44 24 30 mov %rax,0x30(%rsp)
1a: 48 8d 58 08 lea 0x8(%rax),%rbx
1e: 48 89 d8 mov %rbx,%rax
21: 48 c1 e8 03 shr $0x3,%rax
25: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
* 2a: 74 08 je 0x34 <-- trapping instruction
2c: 48 89 df mov %rbx,%rdi
2f: e8 ec 4c 1c 00 call 0x1c4d20
34: 48 8b 1b mov (%rbx),%rbx
37: 48 89 de mov %rbx,%rsi
3a: 48 83 e6 01 and $0x1,%rsi
3e: 31 ff xor %edi,%edi