Re: [syzbot] [ntfs3?] KASAN: use-after-free Read in hdr_find_e

From: syzbot
Date: Wed Feb 01 2023 - 09:55:30 EST


syzbot suspects this issue was fixed by commit:

commit 0e8235d28f3a0e9eda9f02ff67ee566d5f42b66b
Author: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Date: Mon Oct 10 10:15:33 2022 +0000

fs/ntfs3: Check fields while reading

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=1268739e480000
start commit: 55be6084c8e0 Merge tag 'timers-core-2022-10-05' of git://g..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=df75278aabf0681a
dashboard link: https://syzkaller.appspot.com/bug?extid=c986d2a447ac6fb27b02
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=164e92a4880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=126f7ac6880000

If the result looks correct, please mark the issue as fixed by replying with:

#syz fix: fs/ntfs3: Check fields while reading

For information about bisection process see: https://goo.gl/tpsmEJ#bisection