Ensure that the string we read from leftofffile is NULL
terminated; the buffer gets passed to strchr(), so
it's important that we ensure it ends with NULL.
Signed-off-by: Eric Sandeen <sandeen@xxxxxxxxxx>
---
diff --git a/fsr/xfs_fsr.c b/fsr/xfs_fsr.c
index 3818f02..94d235c 100644
--- a/fsr/xfs_fsr.c
+++ b/fsr/xfs_fsr.c
@@ -554,6 +554,8 @@ fsrallfs(char *mtab, int howlong, char *leftofffile)
fsrprintf(_("could not read %s, starting with %s\n"),
leftofffile, *fs->dev);
} else {
+ /* Ensure the buffer we read is null terminated */
+ buf[SMBUFSZ-1] = '\0';
for (fs = fsbase; fs < fsend; fs++) {
fsname = fs->dev;
if ((strncmp(buf,fsname,strlen(fsname)) == 0)
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