Re: [syzbot] KASAN: slab-out-of-bounds Write in copy_verifier_state

From: syzbot
Date: Mon Feb 06 2023 - 15:31:22 EST


syzbot suspects this issue was fixed by commit:

commit 45435d8da71f9f3e6860e6e6ea9667b6ec17ec64
Author: Kees Cook <keescook@xxxxxxxxxxxx>
Date: Fri Dec 23 18:28:44 2022 +0000

bpf: Always use maximal size for copy_array()

bisection log: https://syzkaller.appspot.com/x/bisect.txt?x=14c62f23480000
start commit: 041fae9c105a Merge tag 'f2fs-for-6.2-rc1' of git://git.ker..
git tree: upstream
kernel config: https://syzkaller.appspot.com/x/.config?x=e2f3d9d232a3cac5
dashboard link: https://syzkaller.appspot.com/bug?extid=59af7bf76d795311da8c
syz repro: https://syzkaller.appspot.com/x/repro.syz?x=1650d477880000
C reproducer: https://syzkaller.appspot.com/x/repro.c?x=1305f993880000

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

#syz fix: bpf: Always use maximal size for copy_array()

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