On Tue, Sep 10, 2024 at 06:18:34PM GMT, Diogo Jahchan Koike wrote: > syzbot reported a null-ptr-deref in bch2_fs_start. [0] > > When a sb is marked clear but doesn't have a clean section > bch2_read_superblock_clean returns NULL which PTR_ERR_OR_ZERO > lets through, eventually leading to a null ptr dereference down > the line. Adjust read sb clean to return an ERR_PTR indicating the > invalid clean section. > > [0] https://syzkaller.appspot.com/bug?extid=1cecc37d87c4286e5543 > > Reported-by: [email protected] > Closes: https://syzkaller.appspot.com/bug?extid=1cecc37d87c4286e5543 > Signed-off-by: Diogo Jahchan Koike <[email protected]>
Thanks, applied
