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| author | Andreas Gruenbacher <agruenba@redhat.com> | 2021-06-21 22:28:50 +0200 |
|---|---|---|
| committer | Andreas Gruenbacher <agruenba@redhat.com> | 2021-06-28 14:13:38 +0200 |
| commit | d3c51c55cb9274dd43c156f1f26b5eb4d5f2d58c (patch) | |
| tree | 8e94b737f7b6c5cc9ba014cfc7fa8cfa3a3ca1e6 /usr | |
| parent | 38a618dbf47f837f11df01052977dcaf31c5c2a8 (diff) | |
| download | linux-d3c51c55cb9274dd43c156f1f26b5eb4d5f2d58c.tar.gz linux-d3c51c55cb9274dd43c156f1f26b5eb4d5f2d58c.tar.bz2 linux-d3c51c55cb9274dd43c156f1f26b5eb4d5f2d58c.zip | |
gfs2: Fix underflow in gfs2_page_mkwrite
On filesystems with a block size smaller than PAGE_SIZE and non-empty
files smaller then PAGE_SIZE, gfs2_page_mkwrite could end up allocating
excess blocks beyond the end of the file, similar to fallocate. This
doesn't make sense; fix it.
Reported-by: Bob Peterson <rpeterso@redhat.com>
Fixes: 184b4e60853d ("gfs2: Fix end-of-file handling in gfs2_page_mkwrite")
Cc: stable@vger.kernel.org # v5.5+
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'usr')
0 files changed, 0 insertions, 0 deletions