recover_prepare() in chunk-recover.c alloc memory which only contains
sizeof(struct btrfs_super_block). This will cause glibc malloc error
after superblock csum is calculated.
Use BTRFS_SUPER_INFO_SIZE to fix the bug.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
chunk-recover.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/chunk-recover.c b/chunk-recover.c
index c8badf9..7dfaf82 100644
--- a/chunk-recover.c
+++ b/chunk-recover.c
@@ -1345,7 +1345,7 @@ static int recover_prepare(struct recover_control *rc, char *path)
return -1;
}
- sb = malloc(sizeof(struct btrfs_super_block));
+ sb = malloc(BTRFS_SUPER_INFO_SIZE);
if (!sb) {
fprintf(stderr, "allocating memory for sb failed.\n");
ret = -ENOMEM;
--
2.0.1
--
To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
