Hi all, On Mon, 20 Jul 2020 11:50:25 -0400 Qian Cai <cai@xxxxxx> wrote: > > On Fri, Jul 17, 2020 at 11:05:41AM -0400, Qian Cai wrote: > > On Mon, Jul 13, 2020 at 08:34:06AM -0700, syzbot wrote: > > > syzbot has bisected this bug to: > > > > > > commit d08ac70b1e0dc71ac2315007bcc3efb283b2eae4 > > > Author: Daniel Colascione <dancol@xxxxxxxxxx> > > > Date: Wed Apr 1 21:39:03 2020 +0000 > > > > > > Wire UFFD up to SELinux > > > > > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14a79d13100000 > > > start commit: 89032636 Add linux-next specific files for 20200708 > > > git tree: linux-next > > > final crash: https://syzkaller.appspot.com/x/report.txt?x=16a79d13100000 > > > console output: https://syzkaller.appspot.com/x/log.txt?x=12a79d13100000 > > > kernel config: https://syzkaller.appspot.com/x/.config?x=64a250ebabc6c320 > > > dashboard link: https://syzkaller.appspot.com/bug?extid=75867c44841cb6373570 > > > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=13c4c8db100000 > > > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=12cbb68f100000 > > > > > > Reported-by: syzbot+75867c44841cb6373570@xxxxxxxxxxxxxxxxxxxxxxxxx > > > Fixes: d08ac70b1e0d ("Wire UFFD up to SELinux") > > > > > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection > > > > This is rather easy to reproduce here, > > James, Stephen, can you drop this patch? Daniel's email was bounced, and Viro > mentioned the patch could be quite bad, > > https://lore.kernel.org/lkml/20200719165746.GJ2786714@xxxxxxxxxxxxxxxxxx/ I have reverted that commit in linux-next today. -- Cheers, Stephen Rothwell
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