INFO: task syz-executor.1:2812 blocked for more than 140 seconds.
      Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.1  D29152  2812   2556 0x00000004
Call Trace:
 context_switch kernel/sched/core.c:2828 [inline]
 __schedule+0x887/0x2040 kernel/sched/core.c:3517
 schedule+0x8d/0x1b0 kernel/sched/core.c:3561
 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline]
 rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309
ntfs: (device loop3): parse_options(): Invalid errors option argument: *[˙˙unt-ro
 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94
 __down_read arch/x86/include/asm/rwsem.h:83 [inline]
 down_read+0x44/0x80 kernel/locking/rwsem.c:26
 __get_super.part.0+0x209/0x2e0 fs/super.c:698
 __get_super include/linux/spinlock.h:329 [inline]
 get_super+0x2b/0x50 fs/super.c:727
 fsync_bdev+0x14/0xc0 fs/block_dev.c:483
 blkdev_flushbuf block/ioctl.c:436 [inline]
 blkdev_ioctl+0x912/0x1a80 block/ioctl.c:521
ntfs: (device loop3): parse_options(): Invalid errors option argument: *[˙˙unt-ro
 block_ioctl+0xe9/0x130 fs/block_dev.c:1906
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:501 [inline]
 do_vfs_ioctl+0xcdb/0x12e0 fs/ioctl.c:688
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:705
 __do_sys_ioctl fs/ioctl.c:712 [inline]
 __se_sys_ioctl fs/ioctl.c:710 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:710
ntfs: (device loop3): parse_options(): Invalid errors option argument: *[˙˙unt-ro
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7f964738d0f9
Code: Bad RIP value.
RSP: 002b:00007f96458ff168 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f96474acf80 RCX: 00007f964738d0f9
RDX: 0000000000000000 RSI: 0000000000001261 RDI: 0000000000000003
RBP: 00007f96473e8ae9 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fffa66d627f R14: 00007f96458ff300 R15: 0000000000022000

Showing all locks held in the system:
2 locks held by kworker/u4:1/23:
1 lock held by khungtaskd/1570:
netlink: 296 bytes leftover after parsing attributes in process `syz-executor.5'.
 #0: 00000000d505ee41 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by in:imklog/7801:
 #0: 0000000079496435 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
2 locks held by kworker/1:3/9336:
 #0: 00000000a76e8f32 ((wq_completion)"rcu_gp"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124
 #1: 00000000197f94c4 ((work_completion)(&rew.rew_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128
2 locks held by syz-executor.1/2411:
1 lock held by syz-executor.1/2812:
 #0: 00000000ef58e0c1 (&type->s_umount_key#95){++++}, at: __get_super.part.0+0x209/0x2e0 fs/super.c:698
1 lock held by syz-executor.1/4009:
 #0: 00000000ef58e0c1 (&type->s_umount_key#95){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631
1 lock held by syz-executor.0/5414:
1 lock held by syz-executor.4/5434:
 #0: 0000000019fa3f75 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
 #0: 0000000019fa3f75 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
2 locks held by syz-executor.5/5428:
 #0: 0000000019fa3f75 (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline]
 #0: 0000000019fa3f75 (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779
 #1: 00000000c3a44c5e (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline]
 #1: 00000000c3a44c5e (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667
1 lock held by syz-executor.1/5442:

netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'.
=============================================

NMI backtrace for cpu 0
CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
 watchdog+0x991/0xe60 kernel/hung_task.c:287
 kthread+0x33f/0x460 kernel/kthread.c:259
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 14024 Comm: syz-executor.2 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
RIP: 0033:0x7fe5ef30f0ca
Code: c1 e8 32 89 c2 69 c0 40 42 0f 00 48 89 14 24 29 c7 48 69 ff e8 03 00 00 48 89 7c 24 08 48 89 e7 e8 db dc ff ff 48 8b 4c 24 18 <64> 48 2b 0c 25 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90
RSP: 002b:00007ffe8430aa70 EFLAGS: 00000202
RAX: 0000000000000000 RBX: 0000000000000ae2 RCX: bbbbebf673312700
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ffe8430aafc R08: 0000000000000000 R09: 000000f05b28b98e
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000032
R13: 00000000000e44e9 R14: 000000000000001a R15: 00007ffe8430ab60
FS:  0000555556edd400 GS:  0000000000000000
netlink: 296 bytes leftover after parsing attributes in process `syz-executor.5'.