On Wed, Nov 6, 2019 at 4:20 PM syzbot <syzbot+fb77e97ebf0612ee6914@xxxxxxxxxxxxxxxxxxxxxxxxx> wrote: > > syzbot has bisected this bug to: > > commit 9e5a64c71b2f70ba530f8156046dd7dfb8a7a0ba > Author: Kees Cook <keescook@xxxxxxxxxxxx> > Date: Mon Nov 4 22:57:23 2019 +0000 > > uaccess: disallow > INT_MAX copy sizes Ah cool, this explains it. fwiw I never managed to get the WARNING in the backtrace to lign up with any code. No idea what's been going on. I'll type a patch to paper over this. -Daniel > > bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=125fe6dce00000 > start commit: 51309b9d Add linux-next specific files for 20191105 > git tree: linux-next > final crash: https://syzkaller.appspot.com/x/report.txt?x=115fe6dce00000 > console output: https://syzkaller.appspot.com/x/log.txt?x=165fe6dce00000 > kernel config: https://syzkaller.appspot.com/x/.config?x=a9b1a641c1f1fc52 > dashboard link: https://syzkaller.appspot.com/bug?extid=fb77e97ebf0612ee6914 > syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1212dc3ae00000 > C reproducer: https://syzkaller.appspot.com/x/repro.c?x=145f604ae00000 > > Reported-by: syzbot+fb77e97ebf0612ee6914@xxxxxxxxxxxxxxxxxxxxxxxxx > Fixes: 9e5a64c71b2f ("uaccess: disallow > INT_MAX copy sizes") > > For information about bisection process see: https://goo.gl/tpsmEJ#bisection -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel
