From: Theodore Ts'o <tytso@mit.edu>
Date: Mon, 29 Apr 2024 03:26:19 +0000 (-0400)
Subject: resize2fs: fix last bg's free clusters calculation on 64-bit file systems
X-Git-Tag: archive/debian/1.47.1_rc1-3~2^2~4
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1da249a125cb2ae138a6dd1d262754e2b4d45175;p=thirdparty%2Fe2fsprogs.git

resize2fs: fix last bg's free clusters calculation on 64-bit file systems

Fixes-Coverity-bug: 1596645
Fixes: d43fb24ca0db ("resize2fs: fix r_bigalloc_big_expand test failure")
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
---

diff --git a/resize/resize2fs.c b/resize/resize2fs.c
index 4daa068b..f4a40980 100644
--- a/resize/resize2fs.c
+++ b/resize/resize2fs.c
@@ -2870,7 +2870,8 @@ static errcode_t resize2fs_calculate_summary_stats(ext2_filsys fs)
 		if ((group == fs->group_desc_count - 1) && (max & 7)) {
 			n = 0;
 			for (b = (fs->super->s_first_data_block +
-				  (fs->super->s_blocks_per_group * group));
+				  ((blk64_t) fs->super->s_blocks_per_group *
+				   group));
 			     b < ext2fs_blocks_count(fs->super);
 			     b += EXT2FS_CLUSTER_RATIO(fs)) {
 				if (ext2fs_test_block_bitmap2(fs->block_map, b))