diff options
Diffstat (limited to 'src/libsystemd-network/dhcp6-option.c')
| -rw-r--r-- | src/libsystemd-network/dhcp6-option.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/src/libsystemd-network/dhcp6-option.c b/src/libsystemd-network/dhcp6-option.c index 0f46249533..5e91e86f53 100644 --- a/src/libsystemd-network/dhcp6-option.c +++ b/src/libsystemd-network/dhcp6-option.c @@ -508,7 +508,7 @@ int dhcp6_option_parse( if (buflen < offsetof(DHCP6Option, data)) return -EBADMSG; - if (*offset >= buflen - offsetof(DHCP6Option, data)) + if (*offset > buflen - offsetof(DHCP6Option, data)) return -EBADMSG; len = unaligned_read_be16(buf + *offset + offsetof(DHCP6Option, len)); @@ -518,7 +518,7 @@ int dhcp6_option_parse( *ret_option_code = unaligned_read_be16(buf + *offset + offsetof(DHCP6Option, code)); *ret_option_data_len = len; - *ret_option_data = buf + *offset + offsetof(DHCP6Option, data); + *ret_option_data = len == 0 ? NULL : buf + *offset + offsetof(DHCP6Option, data); *offset += offsetof(DHCP6Option, data) + len; return 0; |