Dmitry Vyukov <dvyu...@google.com> wrote: > On Wed, Dec 19, 2018 at 7:37 PM syzbot > <syzbot+e1d3a7522b4d05aee...@syzkaller.appspotmail.com> wrote: > > > > Hello, > > > > syzbot found the following crash on: > > > > HEAD commit: a26d94bff4d5 net: bridge: remove unneeded variable 'err' > > git tree: net-next > > console output: https://syzkaller.appspot.com/x/log.txt?x=14c7a4cd400000 > > kernel config: https://syzkaller.appspot.com/x/.config?x=d9655b05acfc97ff > > dashboard link: https://syzkaller.appspot.com/bug?extid=e1d3a7522b4d05aeede4 > > compiler: gcc (GCC) 8.0.1 20180413 (experimental) > > > > Unfortunately, I don't have any reproducer for this crash yet. > > +Florian, this looks related to: > INFO: rcu detected stall in xfrm_hash_rebuild > https://syzkaller.appspot.com/bug?id=62ee9df6b17e143dcd22a6bc5383c1b4ba797c8c > https://groups.google.com/forum/#!msg/syzkaller-bugs/4yD3ts-wWRA/63scKqSyDAAJ > > Should we dup them?
No, not yet anyway. First report triggers rcu stall during hash rebuild, this looks like stall is directly on insertion. (Could obviously still be same bug).
