[Cluster-devel] [GFS2 PATCH v2] gfs2: fix gfs2_find_jhead that returns uninitialized jhead with seq 0

[Andreas Gruenbacher]

Hi Abhi,

On Tue, Feb 4, 2020 at 9:15 PM Abhi Das <adas at redhat.com> wrote:
> When the first log header in a journal happens to have a sequence
> number of 0, a bug in gfs2_find_jhead() causes it to prematurely exit,
> and return an uninitialized jhead with seq 0. This can cause failures
> in the caller. For instance, a mount fails in one test case.
>
> The correct behavior is for it to continue searching through the journal
> to find the correct journal head with the highest sequence number.

applied for the next merge window, with a suitable Fixes tag for stable.

Thanks,
Andreas