Re: [Cluster-devel] [PATCH] gfs2: Fixes to "Implement iomap for block_map" (2)

2018-03-05 Thread Bob Peterson
- Original Message - | It turns out that commit 3229c18c0d6b2 'Fixes to "Implement iomap for | block_map"' introduced another bug in gfs2_iomap_begin that can cause | gfs2_block_map to set bh->b_size of an actual buffer to 0. This can | lead to arbitrary incorrect behavior including

[Cluster-devel] [PATCH] gfs2: Fixes to "Implement iomap for block_map" (2)

2018-03-05 Thread Andreas Gruenbacher
It turns out that commit 3229c18c0d6b2 'Fixes to "Implement iomap for block_map"' introduced another bug in gfs2_iomap_begin that can cause gfs2_block_map to set bh->b_size of an actual buffer to 0. This can lead to arbitrary incorrect behavior including crashes or disk corruption. Revert the