On Thu, Mar 28, 2019 at 10:23 AM Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote: > > On Wed, Mar 27, 2019 at 8:16 AM Amir Goldstein <amir73il@xxxxxxxxx> wrote: > > > > On Wed, Mar 27, 2019 at 5:53 AM syzbot > > <syzbot+2a73a6ea9507b7112141@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > > > > > syzbot has bisected this bug to: > > > > > > commit e950564b97fd0f541b02eb207685d0746f5ecf29 > > > Author: Miklos Szeredi <mszeredi@xxxxxxxxxx> > > > Date: Tue Jul 24 13:01:55 2018 +0000 > > > > > > vfs: don't evict uninitialized inode > > > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=12123143200000 > > > start commit: da5322e6 Merge tag 'selinux-pr-20181115' of git://git.kern.. > > > git tree: upstream > > > final crash: https://syzkaller.appspot.com/x/report.txt?x=11123143200000 > > > console output: https://syzkaller.appspot.com/x/log.txt?x=16123143200000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=d86f24333880b605 > > > dashboard link: https://syzkaller.appspot.com/bug?extid=2a73a6ea9507b7112141 > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=12298533400000 > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17ff545d400000 > > > > > > Reported-by: syzbot+2a73a6ea9507b7112141@xxxxxxxxxxxxxxxxxxxxxxxxx > > > Fixes: e950564b97fd ("vfs: don't evict uninitialized inode") > > > > > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > > > The repro seems fine for catching the subject bug, but I can't get it > > to reproduce on my system. I have written a simpler reliable repro. > > Its in the commit message of the patch to test below: > > > > #syz test: https://github.com/amir73il/linux.git acct_pin_kill_deadlock > > > > I have been pinging Al about the fix above for a while, but no response: > > > > https://marc.info/?l=linux-fsdevel&m=155119096826039&w=2 > > I would ping it as well, but I can't find it in my inbox. Is it on LKML? > No. it's scope is linux-fsdevel. Anyway, this fix by Al is in linux-next now: #syz fix: acct_on(): don't mess with freeze protection Thanks, Amir.
