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INFO: task hung in __blkdev_get (3)

Status: closed as invalid on 2019/05/08 13:05
Subsystems: fs
[Documentation on labels]
First crash: 1831d, last: 1831d
Similar bugs (9)
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
android-49 INFO: task hung in __blkdev_get C 1504 1605d 1838d 0/3 public: reported C repro on 2019/04/12 00:00
android-44 INFO: task hung in __blkdev_get syz 521 1608d 1836d 0/2 public: reported syz repro on 2019/04/14 00:02
android-414 INFO: task hung in __blkdev_get 1859 1605d 1837d 0/1 auto-closed as invalid on 2020/02/28 16:13
upstream INFO: task hung in __blkdev_get (2) udf 11 1929d 2053d 0/26 closed as dup on 2018/09/08 15:48
linux-4.14 INFO: task hung in __blkdev_get ntfs vfs C 741 427d 1838d 0/1 upstream: reported C repro on 2019/04/11 13:17
upstream INFO: task hung in __blkdev_get fs C 662 2201d 2326d 5/26 fixed on 2018/05/08 18:30
linux-4.19 INFO: task hung in __blkdev_get vfs ntfs C error 144 420d 1715d 0/1 upstream: reported C repro on 2019/08/13 00:10
upstream INFO: task hung in __blkdev_get (4) fs 1 1650d 1650d 0/26 auto-closed as invalid on 2020/01/15 05:33
upstream INFO: task hung in __blkdev_get (5) fs 8 1228d 1443d 0/26 auto-closed as invalid on 2021/03/11 14:46

Sample crash report:
INFO: task blkid:10403 blocked for more than 143 seconds.
      Not tainted 5.1.0-rc5+ #73
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid           D28912 10403   8323 0x00000000
Call Trace:
 context_switch kernel/sched/core.c:2877 [inline]
 __schedule+0x813/0x1cc0 kernel/sched/core.c:3518
 schedule+0x92/0x180 kernel/sched/core.c:3562
 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3620
 __mutex_lock_common kernel/locking/mutex.c:1002 [inline]
 __mutex_lock+0x726/0x1310 kernel/locking/mutex.c:1072
 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:1087
 __blkdev_get+0x19b/0x1660 fs/block_dev.c:1513
 blkdev_get+0xc4/0x990 fs/block_dev.c:1667
 blkdev_open+0x205/0x290 fs/block_dev.c:1825

Crashes (1):
Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Assets (help?) Manager Title
2019/04/18 20:57 upstream e53f31bffe1d b0e8efcb .config console log report ci-upstream-kasan-gce-selinux-root
* Struck through repros no longer work on HEAD.