=============================
[ BUG: Invalid wait context ]
6.12.0-rc5-next-20241104-syzkaller #0 Not tainted
-----------------------------
syz-executor/5855 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}
9 locks held by syz-executor/5855:
#0: ffffffff8e9f2050 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mmap kernel/fork.c:636 [inline]
#0: ffffffff8e9f2050 (dup_mmap_sem){.+.+}-{0:0}, at: dup_mm kernel/fork.c:1672 [inline]
#0: ffffffff8e9f2050 (dup_mmap_sem){.+.+}-{0:0}, at: copy_mm+0x288/0x1f60 kernel/fork.c:1721
#1: ffff88807b1b0be0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_write_lock_killable include/linux/mmap_lock.h:147 [inline]
#1: ffff88807b1b0be0 (&mm->mmap_lock){++++}-{4:4}, at: dup_mmap kernel/fork.c:637 [inline]
#1: ffff88807b1b0be0 (&mm->mmap_lock){++++}-{4:4}, at: dup_mm kernel/fork.c:1672 [inline]
#1: ffff88807b1b0be0 (&mm->mmap_lock){++++}-{4:4}, at: copy_mm+0x2a6/0x1f60 kernel/fork.c:1721
#2: ffff8880320b01e0 (&mm->mmap_lock/1){+.+.}-{4:4}, at: mmap_write_lock_nested include/linux/mmap_lock.h:137 [inline]
#2: ffff8880320b01e0 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mmap kernel/fork.c:646 [inline]
#2: ffff8880320b01e0 (&mm->mmap_lock/1){+.+.}-{4:4}, at: dup_mm kernel/fork.c:1672 [inline]
#2: ffff8880320b01e0 (&mm->mmap_lock/1){+.+.}-{4:4}, at: copy_mm+0x4b3/0x1f60 kernel/fork.c:1721
#3: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#3: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#3: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287
#4: ffff88807e236f78 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: spin_lock include/linux/spinlock.h:351 [inline]
#4: ffff88807e236f78 (ptlock_ptr(ptdesc)#2){+.+.}-{3:3}, at: __pte_offset_map_lock+0x1ba/0x300 mm/pgtable-generic.c:402
#5: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#5: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#5: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: __pte_offset_map+0x82/0x380 mm/pgtable-generic.c:287
#6: ffff88801ff892b8 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pte_range mm/memory.c:1125 [inline]
#6: ffff88801ff892b8 (ptlock_ptr(ptdesc)#2/1){+.+.}-{3:3}, at: copy_pmd_range+0x76f/0x7ee0 mm/memory.c:1261
#7: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#7: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#7: ffffffff8e93c0e0 (rcu_read_lock){....}-{1:3}, at: page_ext_get+0x20/0x2a0 mm/page_ext.c:525
#8: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: spin_trylock include/linux/spinlock.h:361 [inline]
#8: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue_pcplist mm/page_alloc.c:3051 [inline]
#8: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: rmqueue mm/page_alloc.c:3095 [inline]
#8: ffff8880b8644818 (&pcp->lock){+.+.}-{3:3}, at: get_page_from_freelist+0x7e2/0x3870 mm/page_alloc.c:3492
stack backtrace:
CPU: 0 UID: 0 PID: 5855 Comm: syz-executor Not tainted 6.12.0-rc5-next-20241104-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:lock_acquire+0x264/0x550 kernel/locking/lockdep.c:5853
Code: 2b 00 74 08 4c 89 f7 e8 8a 24 8f 00 f6 44 24 61 02 0f 85 85 01 00 00 41 f7 c7 00 02 00 00 74 01 fb 48 c7 44 24 40 0e 36 e0 45 <4b> c7 44 25 00 00 00 00 00 43 c7 44 25 09 00 00 00 00 43 c7 44 25
RSP: 0018:ffffc90003a8f020 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff92000751e10 RCX: ffff888062eba8d8
RDX: dffffc0000000000 RSI: ffffffff8c0ae980 RDI: ffffffff8c605560
RBP: ffffc90003a8f178 R08: ffffffff942cd847 R09: 1ffffffff2859b08
R10: dffffc0000000000 R11: fffffbfff2859b09 R12: 1ffff92000751e0c
R13: dffffc0000000000 R14: ffffc90003a8f080 R15: 0000000000000246
rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
rcu_read_lock include/linux/rcupdate.h:849 [inline]
page_ext_get+0x3d/0x2a0 mm/page_ext.c:525
page_table_check_set+0x4f/0x540 mm/page_table_check.c:114
__page_table_check_ptes_set+0x30f/0x410 mm/page_table_check.c:225
page_table_check_ptes_set include/linux/page_table_check.h:74 [inline]
set_ptes include/linux/pgtable.h:267 [inline]
__copy_present_ptes mm/memory.c:967 [inline]
copy_present_ptes mm/memory.c:1050 [inline]
copy_pte_range mm/memory.c:1173 [inline]
copy_pmd_range+0x4572/0x7ee0 mm/memory.c:1261
copy_pud_range mm/memory.c:1298 [inline]
copy_p4d_range mm/memory.c:1322 [inline]
copy_page_range+0x99f/0xe90 mm/memory.c:1420
dup_mmap kernel/fork.c:745 [inline]
dup_mm kernel/fork.c:1672 [inline]
copy_mm+0x122b/0x1f60 kernel/fork.c:1721
copy_process+0x1845/0x3d50 kernel/fork.c:2371
kernel_clone+0x226/0x8f0 kernel/fork.c:2783
__do_sys_clone kernel/fork.c:2926 [inline]
__se_sys_clone kernel/fork.c:2910 [inline]
__x64_sys_clone+0x258/0x2a0 kernel/fork.c:2910
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: 0033:0x7fe31d574f93
Code: 1f 84 00 00 00 00 00 64 48 8b 04 25 10 00 00 00 45 31 c0 31 d2 31 f6 bf 11 00 20 01 4c 8d 90 d0 02 00 00 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 35 89 c2 85 c0 75 2c 64 48 8b 04 25 10 00 00
RSP: 002b:00007ffc1d985c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe31d574f93
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011
RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
R10: 0000555576b037d0 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000032f56 R14: 00000000000326ff R15: 00007ffc1d985e00
----------------
Code disassembly (best guess):
0: 2b 00 sub (%rax),%eax
2: 74 08 je 0xc
4: 4c 89 f7 mov %r14,%rdi
7: e8 8a 24 8f 00 call 0x8f2496
c: f6 44 24 61 02 testb $0x2,0x61(%rsp)
11: 0f 85 85 01 00 00 jne 0x19c
17: 41 f7 c7 00 02 00 00 test $0x200,%r15d
1e: 74 01 je 0x21
20: fb sti
21: 48 c7 44 24 40 0e 36 movq $0x45e0360e,0x40(%rsp)
28: e0 45
* 2a: 4b c7 44 25 00 00 00 movq $0x0,0x0(%r13,%r12,1) <-- trapping instruction
31: 00 00
33: 43 c7 44 25 09 00 00 movl $0x0,0x9(%r13,%r12,1)
3a: 00 00
3c: 43 rex.XB
3d: c7 .byte 0xc7
3e: 44 rex.R
3f: 25 .byte 0x25