syzbot has bisected this bug to:
commit 1a7c3d9bb7a926e88d5f57643e75ad1abfc55013
Author: Todd Kjos <tkjos@xxxxxxxxxxx>
Date: Fri Feb 8 18:35:14 2019 +0000
binder: create userspace-to-binder-buffer copy function
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=15b9383f200000
start commit: 1a9df9e2 Merge git://git.kernel.org/pub/scm/linux/kernel/g..
git tree: upstream
final crash: https://syzkaller.appspot.com/x/report.txt?x=17b9383f200000
console output: https://syzkaller.appspot.com/x/log.txt?x=13b9383f200000
kernel config: https://syzkaller.appspot.com/x/.config?x=8dcdce25ea72bedf
dashboard link: https://syzkaller.appspot.com/bug?extid=f9f3f388440283da2965
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=17d05637200000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1677e62f200000
Reported-by: syzbot+f9f3f388440283da2965@xxxxxxxxxxxxxxxxxxxxxxxxx
Fixes: 1a7c3d9bb7a9 ("binder: create userspace-to-binder-buffer copy
function")
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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