Spotted by coverity: gfs2_get_bitmap returns -1 on error and it was being used as an array index in display_block_type. (2 remaining occurrences.)
Signed-off-by: Andrew Price <[email protected]> --- gfs2/edit/hexedit.c | 11 ++++++++++- 1 files changed, 10 insertions(+), 1 deletions(-) diff --git a/gfs2/edit/hexedit.c b/gfs2/edit/hexedit.c index 69d499e..808ebb1 100644 --- a/gfs2/edit/hexedit.c +++ b/gfs2/edit/hexedit.c @@ -697,8 +697,13 @@ int display_block_type(int from_restore) if ((be32_to_cpu(mh->mh_type) == GFS2_METATYPE_RG) || (be32_to_cpu(mh->mh_type) == GFS2_METATYPE_RB)) type = 4; - else + else { type = gfs2_get_bitmap(&sbd, block, rgd); + if (type < 0) { + fprintf(stderr, "Failed to retrieve block state from bitmap\n"); + exit(-1); + } + } } else type = 4; screen_chunk_size = ((termlines - 4) * 16) >> 8 << 8; @@ -724,6 +729,10 @@ int display_block_type(int from_restore) print_gfs2(" blk "); for (b = blknum; b < blknum + 4; b++) { btype = gfs2_get_bitmap(&sbd, b, rgd); + if (btype < 0) { + fprintf(stderr, "Failed to retrieve block state from bitmap\n"); + exit(-1); + } print_gfs2("0x%x-%s ", b, allocdesc[sbd.gfs1][btype]); } -- 1.7.6.5
