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We're freeing the wrong buffer by mistake should decompression fail.

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This commit is contained in:
Con Kolivas 2011-03-16 09:50:30 +11:00
parent 45d85833f2
commit f40f883db3
1 changed files with 14 additions and 10 deletions
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24
stream.c
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@ -464,8 +464,10 @@ static int bzip2_decompress_buf(struct uncomp_thread *ucthread)
bzerr = BZ2_bzBuffToBuffDecompress((char*)ucthread->s_buf, &dlen, (char*)c_buf, ucthread->c_len, 0, 0);
if (unlikely(bzerr != BZ_OK)) {
print_err("Failed to decompress buffer - bzerr=%d\n", bzerr);
free(ucthread->s_buf);
ucthread->s_buf = c_buf;
ret = -1;
goto out_free;
goto out;
}
if (unlikely(dlen != ucthread->u_len)) {
@ -473,7 +475,6 @@ static int bzip2_decompress_buf(struct uncomp_thread *ucthread)
ret = -1;
}
out_free:
free(c_buf);
out:
if (ret == -1)
@ -497,9 +498,11 @@ static int gzip_decompress_buf(struct uncomp_thread *ucthread)
gzerr = uncompress(ucthread->s_buf, &dlen, c_buf, ucthread->c_len);
if (unlikely(gzerr != Z_OK)) {
print_err("Failed to decompress buffer - bzerr=%d\n", gzerr);
print_err("Failed to decompress buffer - gzerr=%d\n", gzerr);
free(ucthread->s_buf);
ucthread->s_buf = c_buf;
ret = -1;
goto out_free;
goto out;
}
if (unlikely((i64)dlen != ucthread->u_len)) {
@ -507,7 +510,6 @@ static int gzip_decompress_buf(struct uncomp_thread *ucthread)
ret = -1;
}
out_free:
free(c_buf);
out:
if (ret == -1)
@ -534,8 +536,10 @@ static int lzma_decompress_buf(struct uncomp_thread *ucthread)
lzmaerr = LzmaUncompress(ucthread->s_buf, &dlen, c_buf, (SizeT *)&ucthread->c_len, control.lzma_properties, 5);
if (unlikely(lzmaerr)) {
print_err("Failed to decompress buffer - lzmaerr=%d\n", lzmaerr);
free(ucthread->s_buf);
ucthread->s_buf = c_buf;
ret = -1;
goto out_free;
goto out;
}
if (unlikely((i64)dlen != ucthread->u_len)) {
@ -543,7 +547,6 @@ static int lzma_decompress_buf(struct uncomp_thread *ucthread)
ret = -1;
}
out_free:
free(c_buf);
out:
if (ret == -1)
@ -565,11 +568,13 @@ static int lzo_decompress_buf(struct uncomp_thread *ucthread)
goto out;
}
lzerr = lzo1x_decompress((uchar*)c_buf, ucthread->c_len, (uchar*)ucthread->s_buf, &dlen,NULL);
lzerr = lzo1x_decompress((uchar*)c_buf, ucthread->c_len, (uchar*)ucthread->s_buf, &dlen, NULL);
if (unlikely(lzerr != LZO_E_OK)) {
print_err("Failed to decompress buffer - lzerr=%d\n", lzerr);
free(ucthread->s_buf);
ucthread->s_buf = c_buf;
ret = -1;
goto out_free;
goto out;
}
if (unlikely((i64)dlen != ucthread->u_len)) {
@ -577,7 +582,6 @@ static int lzo_decompress_buf(struct uncomp_thread *ucthread)
ret = -1;
}
out_free:
free(c_buf);
out:
if (ret == -1)