diff options
Diffstat (limited to 'dmidecode.c')
| -rw-r--r-- | dmidecode.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/dmidecode.c b/dmidecode.c index 54f59c1..52ddbf1 100644 --- a/dmidecode.c +++ b/dmidecode.c @@ -6025,17 +6025,25 @@ int main(int argc, char * const argv[]) pr_comment("dmidecode %s", VERSION); /* Read from dump if so instructed */ + size = 0x20; if (opt.flags & FLAG_FROM_DUMP) { if (!(opt.flags & FLAG_QUIET)) pr_info("Reading SMBIOS/DMI data from file %s.", opt.dumpfile); - if ((buf = mem_chunk(0, 0x20, opt.dumpfile)) == NULL) + if ((buf = read_file(0, &size, opt.dumpfile)) == NULL) { ret = 1; goto exit_free; } + /* Truncated entry point can't be processed */ + if (size < 0x20) + { + ret = 1; + goto done; + } + if (memcmp(buf, "_SM3_", 5) == 0) { if (smbios3_decode(buf, opt.dumpfile, 0)) @@ -6059,7 +6067,6 @@ int main(int argc, char * const argv[]) * contain one of several types of entry points, so read enough for * the largest one, then determine what type it contains. */ - size = 0x20; if (!(opt.flags & FLAG_NO_SYSFS) && (buf = read_file(0, &size, SYS_ENTRY_FILE)) != NULL) { |