diff options
Diffstat (limited to 'src/libsystemd/sd-id128/sd-id128.c')
| -rw-r--r-- | src/libsystemd/sd-id128/sd-id128.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/libsystemd/sd-id128/sd-id128.c b/src/libsystemd/sd-id128/sd-id128.c index a1e44e6d1..233ffa070 100644 --- a/src/libsystemd/sd-id128/sd-id128.c +++ b/src/libsystemd/sd-id128/sd-id128.c @@ -183,11 +183,14 @@ _public_ int sd_id128_get_boot(sd_id128_t *ret) { for (j = 0, p = buf; j < 16; j++) { int a, b; - if (p >= buf + k) + if (p >= buf + k - 1) return -EIO; - if (*p == '-') + if (*p == '-') { p++; + if (p >= buf + k - 1) + return -EIO; + } a = unhexchar(p[0]); b = unhexchar(p[1]); |