rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P6017/1:b..l
rcu: 	(detected by 0, t=10502 jiffies, g=13033, q=1544574 ncpus=2)
task:syz.0.56        state:R  running task     stack:26992 pid:6017  tgid:6017  ppid:5616   task_flags:0x440040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5396 [inline]
 __schedule+0x16f9/0x5500 kernel/sched/core.c:7197
 preempt_schedule_irq+0x4d/0xa0 kernel/sched/core.c:7521
 irqentry_exit_to_kernel_mode include/linux/irq-entry-common.h:547 [inline]
 irqentry_exit+0x14f/0x760 kernel/entry/common.c:164
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:lock_is_held_type+0x106/0x150 kernel/locking/lockdep.c:5947
Code: 19 00 00 b8 ff ff ff ff 65 0f c1 05 24 cd 47 07 83 f8 01 75 25 9c 58 a9 00 02 00 00 75 39 41 f7 c4 00 02 00 00 74 01 fb 89 d8 <5b> 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 90 0f 0b 90 48 c7
RSP: 0018:ffffc90006d1f248 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000000046
RDX: dffffc0000000000 RSI: ffffffff8d88874d RDI: ffffffff8ba85b60
RBP: 00000000ffffffff R08: ffffffff8b2ad9d0 R09: ffffffff8dfc8240
R10: dffffc0000000000 R11: fffffbfff1f1597f R12: 0000000000000246
R13: ffff888031cfbd80 R14: ffff8880372bc3d8 R15: 0000000000000003
 lock_is_held include/linux/lockdep.h:249 [inline]
 __wake_up_common kernel/sched/wait.c:97 [inline]
 __wake_up_common_lock+0x61/0x1e0 kernel/sched/wait.c:125
 stop_this_handle+0x2d0/0x470 fs/jbd2/transaction.c:733
 jbd2_journal_stop+0x850/0xd70 fs/jbd2/transaction.c:2009
 __ext4_journal_stop+0xf6/0x1a0 fs/ext4/ext4_jbd2.c:136
 __mark_inode_dirty+0x3a4/0x13b0 fs/fs-writeback.c:2623
 generic_update_time fs/inode.c:2192 [inline]
 touch_atime+0x576/0x6b0 fs/inode.c:2267
 file_accessed include/linux/fs.h:2264 [inline]
 ext4_file_mmap_prepare+0x286/0x460 fs/ext4/file.c:840
 vfs_mmap_prepare include/linux/fs.h:2076 [inline]
 call_mmap_prepare mm/vma.c:2672 [inline]
 __mmap_region mm/vma.c:2755 [inline]
 mmap_region+0xeb9/0x2280 mm/vma.c:2857
 do_mmap+0xc2f/0x10c0 mm/mmap.c:560
 vm_mmap_pgoff+0x2cc/0x4f0 mm/util.c:581
 ksys_mmap_pgoff+0x4e8/0x720 mm/mmap.c:606
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d8bc4cb42
RSP: 002b:00007ffc41c289d8 EFLAGS: 00000206 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 0000001b33364000 RCX: 00007f9d8bc4cb42
RDX: 0000000000000003 RSI: 00000000003c0000 RDI: 0000001b33364000
RBP: 0000000000100001 R08: 0000000000000004 R09: 0000000000040000
R10: 0000000000100001 R11: 0000000000000206 R12: 000000000000000a
R13: 00000000000927c0 R14: 000000000001e447 R15: 00007ffc41c28cb0
 </TASK>