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| -rw-r--r-- | src/lib/lzma.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/lib/lzma.c b/src/lib/lzma.c index 71c016ebcd..16b6e228fb 100644 --- a/src/lib/lzma.c +++ b/src/lib/lzma.c @@ -29,6 +29,11 @@ size_t ulzman(const void *src, size_t srcn, void *dst, size_t dstn) MAYBE_STATIC_BSS unsigned char scratchpad[15980]; const unsigned char *cp; + if (srcn < data_offset) { + printk(BIOS_WARNING, "lzma: Input too small.\n"); + return 0; + } + memcpy(properties, src, LZMA_PROPERTIES_SIZE); /* The outSize in LZMA stream is a 64bit integer stored in little-endian * (ref: lzma.cc@LZMACompress: put_64). To prevent accessing by |