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
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
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