Hung Task Linux 4.13-rc7 Reiserfs

From	Shankara Pailoor <sp3485@columbia.edu>
Newsgroups	linux.kernel
Subject	Hung Task Linux 4.13-rc7 Reiserfs
Date	2017-09-30 06:00 +0200
Message-ID	<uvh6x-7cr-1@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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Hi,

I am fuzzing the kernel 4.13-rc7 with Syzkaller with Reiserfs. I am
getting the following crash:

INFO: task kworker/0:3:1103 blocked for more than 120 seconds.


Here is the full stack trace. I noticed that there are a few tasks
holding a sbi->lock. Below are a report and a log of all the programs
executing at the time of the incident.


Report: https://pastebin.com/uGTAw45E
Logs: https://pastebin.com/EaiE0JLf
Kernel Configs: https://pastebin.com/i6URdADw

I don't have a reproducer yet and any assistance would be appreciated.

Regards,
Shankara

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Hung Task Linux 4.13-rc7 Reiserfs Shankara Pailoor <sp3485@columbia.edu> - 2017-09-30 06:00 +0200
  Re: Hung Task Linux 4.13-rc7 Reiserfs Shankara Pailoor <sp3485@columbia.edu> - 2017-09-30 21:30 +0200

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