=============================
[ BUG: Invalid wait context ]
6.13.0-rc3-syzkaller-g96ea081ed52b #0 Not tainted
-----------------------------
syz.0.397/6413 is trying to lock:
ffffffff8ea6bbf8 (stack_list_lock){-.-.}-{3:3}, at: add_stack_record_to_list mm/page_owner.c:182 [inline]
ffffffff8ea6bbf8 (stack_list_lock){-.-.}-{3:3}, at: inc_stack_record_count mm/page_owner.c:214 [inline]
ffffffff8ea6bbf8 (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-{5:5}
3 locks held by syz.0.397/6413:
#0: ffff8880222e60e0 (&type->s_umount_key#23/1){+.+.}-{4:4}, at: alloc_super+0x221/0x9d0 fs/super.c:344
#1: ffff8880b863e8d8 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598
#2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: do_perf_sw_event kernel/events/core.c:10135 [inline]
#2: ffffffff8e937ae0 (rcu_read_lock){....}-{1:3}, at: ___perf_sw_event+0x1bd/0x730 kernel/events/core.c:10169
stack backtrace:
CPU: 0 UID: 0 PID: 6413 Comm: syz.0.397 Not tainted 6.13.0-rc3-syzkaller-g96ea081ed52b #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
<TASK>
__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:1556
prep_new_page mm/page_alloc.c:1564 [inline]
get_page_from_freelist+0x365c/0x37a0 mm/page_alloc.c:3474
__alloc_pages_noprof+0x292/0x710 mm/page_alloc.c:4751
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
__perf_event_overflow+0x78d/0xdc0 kernel/events/core.c:9901
perf_swevent_event+0x317/0x680
do_perf_sw_event kernel/events/core.c:10142 [inline]
___perf_sw_event+0x4f3/0x730 kernel/events/core.c:10169
__perf_sw_event_sched include/linux/perf_event.h:1497 [inline]
perf_event_task_sched_out include/linux/perf_event.h:1530 [inline]
prepare_task_switch kernel/sched/core.c:5173 [inline]
context_switch kernel/sched/core.c:5316 [inline]
__schedule+0x23df/0x4c30 kernel/sched/core.c:6756
preempt_schedule_notrace+0x100/0x140 kernel/sched/core.c:7028
preempt_schedule_notrace_thunk+0x1a/0x30 arch/x86/entry/thunk.S:13
rcu_read_unlock_sched_notrace include/linux/rcupdate.h:971 [inline]
find_stack lib/stackdepot.c:579 [inline]
stack_depot_save_flags+0x34b/0x940 lib/stackdepot.c:618
kasan_save_stack mm/kasan/common.c:48 [inline]
kasan_save_track+0x51/0x80 mm/kasan/common.c:68
poison_kmalloc_redzone mm/kasan/common.c:377 [inline]
__kasan_kmalloc+0x98/0xb0 mm/kasan/common.c:394
kasan_kmalloc include/linux/kasan.h:260 [inline]
__do_kmalloc_node mm/slub.c:4298 [inline]
__kmalloc_noprof+0x285/0x4c0 mm/slub.c:4310
kmalloc_noprof include/linux/slab.h:905 [inline]
kmalloc_array_noprof include/linux/slab.h:946 [inline]
__list_lru_init+0xab/0x5d0 mm/list_lru.c:581
alloc_super+0x839/0x9d0 fs/super.c:390
sget_fc+0x34c/0x9c0 fs/super.c:760
vfs_get_super fs/super.c:1275 [inline]
get_tree_nodev+0x2a/0x140 fs/super.c:1299
vfs_get_tree+0x90/0x2b0 fs/super.c:1814
fc_mount+0x1b/0xb0 fs/namespace.c:1231
mq_create_mount ipc/mqueue.c:485 [inline]
mq_init_ns+0x3ce/0x540 ipc/mqueue.c:1656
create_ipc_ns ipc/namespace.c:73 [inline]
copy_ipcs+0x30d/0x520 ipc/namespace.c:114
create_new_namespaces+0x221/0x7b0 kernel/nsproxy.c:90
copy_namespaces+0x41a/0x490 kernel/nsproxy.c:179
copy_process+0x1929/0x3d50 kernel/fork.c:2398
kernel_clone+0x226/0x8e0 kernel/fork.c:2807
__do_sys_clone kernel/fork.c:2950 [inline]
__se_sys_clone kernel/fork.c:2934 [inline]
__x64_sys_clone+0x258/0x2a0 kernel/fork.c:2934
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: 0033:0x7f5062385d29
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffd93a83028 EFLAGS: 00000206 ORIG_RAX: 0000000000000038
RAX: ffffffffffffffda RBX: 00007f5062575fa0 RCX: 00007f5062385d29
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000028280000
RBP: 00007f5062401b08 R08: ffffffffff600000 R09: ffffffffff600000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000
R13: 00007f5062575fa0 R14: 00007f5062575fa0 R15: 0000000000001722
</TASK>