rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P2702/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=178197, q=710501 ncpus=2)
task:syz.1.7393      state:R  running task     stack:28808 pid:2702  tgid:2697  ppid:30192  task_flags:0x400140 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x17db/0x58f0 kernel/sched/core.c:7284
 preempt_schedule_irq+0x4b/0x90 kernel/sched/core.c:7606
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:539 [inline]
 irqentry_exit+0x14f/0x910 kernel/entry/common.c:167
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_release+0x2e1/0x3c0 kernel/locking/lockdep.c:5968
Code: 5a f2 11 00 00 00 00 eb b5 e8 1b 7b 43 0a f7 c3 00 02 00 00 74 b9 65 48 8b 05 b3 15 f2 11 48 3b 44 24 28 75 48 fb 48 83 c4 30 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 90 7f 46 0a cc 48 8d 3d 68 28 da
RSP: 0018:ffffc9000fa07788 EFLAGS: 00000286
RAX: 09d1a24c26ac2d00 RBX: 0000000000000206 RCX: 0000000000000046
RDX: ffffc9000fa07801 RSI: ffffffff8e69f8da RDI: ffffffff8c6dad80
RBP: ffff88808e202b18 R08: ffffc9000fa07990 R09: 0000000000000000
R10: ffffc9000fa078b8 R11: fffff52001f40f19 R12: 0000000000000001
R13: 0000000000000001 R14: ffffffff8ed5c8a0 R15: ffff88808e201f40
 rcu_lock_release include/linux/rcupdate.h:319 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 class_rcu_destructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0x1baa/0x2550 arch/x86/kernel/unwind_orc.c:709
 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:183
 __reset_page_owner+0x71/0x1f0 mm/page_owner.c:338
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 __free_frozen_pages+0xc93/0xd90 mm/page_alloc.c:2962
 __slab_free+0x274/0x2c0 mm/slub.c:5823
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x99/0x100 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x148/0x160 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x22/0x80 mm/kasan/common.c:361
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_noprof+0x2b9/0x600 mm/slub.c:5010
 alloc_empty_file+0x5b/0x1d0 fs/file_table.c:262
 alloc_file fs/file_table.c:396 [inline]
 alloc_file_pseudo+0x115/0x1e0 fs/file_table.c:427
 sock_alloc_file+0xb8/0x2e0 net/socket.c:557
 sock_map_fd net/socket.c:587 [inline]
 __sys_socket+0x13f/0x1b0 net/socket.c:1827
 __do_sys_socket net/socket.c:1832 [inline]
 __se_sys_socket net/socket.c:1830 [inline]
 __x64_sys_socket+0x7a/0x90 net/socket.c:1830
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f17cd59e199
RSP: 002b:00007f17ce460028 EFLAGS: 00000246 ORIG_RAX: 0000000000000029
RAX: ffffffffffffffda RBX: 00007f17cd826270 RCX: 00007f17cd59e199
RDX: 0000000000000100 RSI: 0000000000000003 RDI: 0000000000000002
RBP: 00007f17cd6358e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f17cd826308 R14: 00007f17cd826270 R15: 00007ffc823a4f28
 </TASK>