On Mon, 15 May 2023 18:39:41 +0800 Jingbo Xu <jeffl...@linux.alibaba.com> wrote:
> Fragments and dedupe share one feature bit, and thus packed inode may not > exist when fragment feature bit (dedupe feature bit exactly) is set, e.g. > when deduplication feature is in use while fragments feature is not. In > this case, sbi->packed_inode could be NULL while fragments feature bit > is set. > > Fix this by accessing packed inode only when it exists. > > Reported-by: syzbot+902d5a9373ae8f748...@syzkaller.appspotmail.com > Link: https://syzkaller.appspot.com/bug?extid=902d5a9373ae8f748a94 > Fixes: 9e382914617c ("erofs: add helpers to load long xattr name prefixes") > Signed-off-by: Jingbo Xu <jeffl...@linux.alibaba.com> Reviewed-by: Yue Hu <huy...@coolpad.com>
