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Diffstat (limited to 'lib/sqfs/comp/lzma.c')
-rw-r--r--lib/sqfs/comp/lzma.c13
1 files changed, 8 insertions, 5 deletions
diff --git a/lib/sqfs/comp/lzma.c b/lib/sqfs/comp/lzma.c
index f4211fb..0238df0 100644
--- a/lib/sqfs/comp/lzma.c
+++ b/lib/sqfs/comp/lzma.c
@@ -39,15 +39,15 @@ static int lzma_read_options(sqfs_compressor_t *base, sqfs_file_t *file)
return SQFS_ERROR_UNSUPPORTED;
}
-static ssize_t lzma_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
- size_t size, sqfs_u8 *out, size_t outsize)
+static sqfs_s32 lzma_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
+ sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize)
{
lzma_compressor_t *lzma = (lzma_compressor_t *)base;
lzma_stream strm = LZMA_STREAM_INIT;
lzma_options_lzma opt;
int ret;
- if (outsize < LZMA_HEADER_SIZE)
+ if (outsize < LZMA_HEADER_SIZE || size >= 0x7FFFFFFF)
return 0;
lzma_lzma_preset(&opt, LZMA_DEFAULT_LEVEL);
@@ -83,8 +83,8 @@ static ssize_t lzma_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
return strm.total_out;
}
-static ssize_t lzma_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
- size_t size, sqfs_u8 *out, size_t outsize)
+static sqfs_s32 lzma_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
+ sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize)
{
sqfs_u8 lzma_header[LZMA_HEADER_SIZE];
lzma_stream strm = LZMA_STREAM_INIT;
@@ -92,6 +92,9 @@ static ssize_t lzma_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in,
int ret;
(void)base;
+ if (size >= 0x7FFFFFFF)
+ return 0;
+
if (size < sizeof(lzma_header))
return SQFS_ERROR_CORRUPTED;