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cov: check sscanf result

This commit is contained in:
Zdenek Kabelac 2020-09-12 13:03:07 +02:00
parent a5d45b237d
commit 740d5bf6cd

View File

@ -887,8 +887,8 @@ static int read_adopt_file(struct list_head *vg_lockd)
continue;
else if (!strncmp(adopt_line, "lvmlockd", 8)) {
unsigned int v_major = 0, v_minor = 0;
sscanf(adopt_line, "lvmlockd adopt_version %u.%u", &v_major, &v_minor);
if (v_major != ADOPT_VERSION_MAJOR)
if ((sscanf(adopt_line, "lvmlockd adopt_version %u.%u", &v_major, &v_minor) != 2) ||
(v_major != ADOPT_VERSION_MAJOR))
goto fail;
} else if (!strncmp(adopt_line, "VG:", 3)) {