rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P29387/1:b..l
rcu: 	(detected by 0, t=10503 jiffies, g=147121, q=629207 ncpus=2)
task:syz-executor    state:R  running task     stack:21896 pid:29387 tgid:29387 ppid:29371  task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7238
 irqentry_exit+0x599/0x620 kernel/entry/common.c:239
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:697
RIP: 0010:lock_release+0x2d7/0x3d0 kernel/locking/lockdep.c:5893
Code: 16 7b 11 00 00 00 00 eb b5 e8 45 83 0f 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 c5 d0 7a 11 48 3b 44 24 28 75 44 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 48 8d 3d 32 30 73
RSP: 0018:ffffc9000d5ff300 EFLAGS: 00000286
RAX: a5eb03e2fa39f500 RBX: 0000000000000202 RCX: 0000000000000046
RDX: 0000000000000001 RSI: ffffffff8e19cd1e RDI: ffffffff8c27d080
RBP: ffff888056e3c880 R08: ffffc9000d5ff467 R09: 0000000000000000
R10: ffffc9000d5ff458 R11: fffff52001abfe8d R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8e75e5e0 R15: ffff888056e3bd00
 rcu_lock_release include/linux/rcupdate.h:322 [inline]
 rcu_read_unlock include/linux/rcupdate.h:881 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1193 [inline]
 unwind_next_frame+0x1aaa/0x23c0 arch/x86/kernel/unwind_orc.c:695
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 save_stack+0x122/0x230 mm/page_owner.c:165
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:320
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1433 [inline]
 __free_frozen_pages+0xc2b/0xdb0 mm/page_alloc.c:2978
 __slab_free+0x263/0x2b0 mm/slub.c:5573
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x97/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4538 [inline]
 slab_alloc_node mm/slub.c:4866 [inline]
 kmem_cache_alloc_noprof+0x2bc/0x650 mm/slub.c:4873
 lsm_file_alloc security/security.c:170 [inline]
 security_file_alloc+0x34/0x310 security/security.c:2381
 init_file+0x90/0x2b0 fs/file_table.c:159
 alloc_empty_file+0x6e/0x1d0 fs/file_table.c:241
 path_openat+0x10f/0x3860 fs/namei.c:4822
 do_file_open+0x23e/0x4a0 fs/namei.c:4865
 do_sys_openat2+0x113/0x200 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x14d/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f351679bb3c
RSP: 002b:00007ffc09cb2a50 EFLAGS: 00000206 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f3516832048 RCX: 00007f351679bb3c
RDX: 0000000000090800 RSI: 00007ffc09cb3c00 RDI: 00000000ffffff9c
RBP: 00007ffc09cb3bec R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc09cb3c00
R13: 00007f3516832048 R14: 00000000000cc512 R15: 00007ffc09cb3c40
 </TASK>