syzbot suspects this issue was fixed by commit:
commit 4b836a1426cb0f1ef2a6e211d7e553221594f8fc
Author: Jann Horn <jannh@xxxxxxxxxx>
Date: Mon Jul 27 12:04:24 2020 +0000
binder: Prevent context manager from incrementing ref 0
bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=10c84dec900000
start commit: 9cb1fd0e Linux 5.7-rc7
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=cca7550d53ffa599
dashboard link: https://syzkaller.appspot.com/bug?extid=e113a0b970b7b3f394ba
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1230353c100000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=17fd535e100000
If the result looks correct, please mark the issue as fixed by replying with:
#syz fix: binder: Prevent context manager from incrementing ref 0
For information about bisection process see: https://goo.gl/tpsmEJ#bisection
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