Re: Hung Task Linux 4.13-rc7 Reiserfs
Hi, I have a reproducer program. It takes about 3-5 minutes to trigger the hang. The only calls are mmap, open, write, and readahead and the writes are fairly small (512 bytes). Reproducer Program: https://pastebin.com/cx1cgABc Report: https://pastebin.com/uGTAw45E Logs: https://pastebin.com/EaiE0JLf Kernel Configs: https://pastebin.com/i6URdADw Regards, Shankara On Fri, Sep 29, 2017 at 11:56 PM, Shankara Pailoor wrote: > 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
Hung Task Linux 4.13-rc7 Reiserfs
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
Linux 4.13-rc7
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