diff options
Diffstat (limited to 'lib/sqfs/comp/lzo.c')
| -rw-r--r-- | lib/sqfs/comp/lzo.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/lib/sqfs/comp/lzo.c b/lib/sqfs/comp/lzo.c index 9af3321..498c250 100644 --- a/lib/sqfs/comp/lzo.c +++ b/lib/sqfs/comp/lzo.c @@ -112,13 +112,16 @@ static int lzo_read_options(sqfs_compressor_t *base, sqfs_file_t *file) return 0; } -static ssize_t lzo_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in, - size_t size, sqfs_u8 *out, size_t outsize) +static sqfs_s32 lzo_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in, + sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize) { lzo_compressor_t *lzo = (lzo_compressor_t *)base; lzo_uint len = outsize; int ret; + if (size >= 0x7FFFFFFF) + return 0; + if (lzo->algorithm == SQFS_LZO1X_999 && lzo->level != SQFS_LZO_DEFAULT_LEVEL) { ret = lzo1x_999_compress_level(in, size, out, &len, @@ -138,13 +141,16 @@ static ssize_t lzo_comp_block(sqfs_compressor_t *base, const sqfs_u8 *in, return 0; } -static ssize_t lzo_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in, - size_t size, sqfs_u8 *out, size_t outsize) +static sqfs_s32 lzo_uncomp_block(sqfs_compressor_t *base, const sqfs_u8 *in, + sqfs_u32 size, sqfs_u8 *out, sqfs_u32 outsize) { lzo_compressor_t *lzo = (lzo_compressor_t *)base; lzo_uint len = outsize; int ret; + if (outsize >= 0x7FFFFFFF) + return 0; + ret = lzo1x_decompress_safe(in, size, out, &len, lzo->buffer); if (ret != LZO_E_OK) |