On Fri, Sep 28, 2018 at 9:00 AM, Peter Zijlstra <[email protected]> wrote: >> > Hello, >> > >> > syzbot found the following crash on: >> > >> > HEAD commit: c307aaf3eb47 Merge tag 'iommu-fixes-v4.19-rc5' of >> > git://gi.. >> > git tree: upstream >> > console output: https://syzkaller.appspot.com/x/log.txt?x=13810df1400000 >> > kernel config: https://syzkaller.appspot.com/x/.config?x=dfb440e26f0a6f6f >> > dashboard link: >> > https://syzkaller.appspot.com/bug?extid=aaa6fa4949cc5d9b7b25 >> > compiler: gcc (GCC) 8.0.1 20180413 (experimental) >> > >> > Unfortunately, I don't have any reproducer for this crash yet. >> > >> > IMPORTANT: if you fix the bug, please add the following tag to the commit: >> > Reported-by: [email protected] >> >> +LOCKDEP maintainers, >> >> What does this BUG mean? And how should it be fixed? >> >> Thanks >> >> > BUG: MAX_LOCKDEP_CHAINS too low! > > Is the his result of endlessly loading and unloading modules? > > In which case, the fix is: don't do that then.
No modules involved, we don't have any modules in the image. Must be something else. Perhaps syzkaller just produced a workload so diverse that nobody ever produced.

