unzip/unzip-6.0-valgrind.patch
Troy Dawson 812100f3e3 RHEL 9.0.0 Alpha bootstrap
The content of this branch was automatically imported from Fedora ELN
with the following as its source:
https://src.fedoraproject.org/rpms/unzip#7ca60a3df8e6a2b281937307d418993e08cfca3f
2020-10-15 13:15:25 -07:00

27 lines
1.1 KiB
Diff

diff --git a/fileio.c b/fileio.c
index ba0a1d0..03fc4be 100644
--- a/fileio.c
+++ b/fileio.c
@@ -2006,6 +2006,7 @@ int do_string(__G__ length, option) /* return PK-type error code */
unsigned comment_bytes_left;
unsigned int block_len;
int error=PK_OK;
+ unsigned int length2;
#ifdef AMIGA
char tmp_fnote[2 * AMIGA_FILENOTELEN]; /* extra room for squozen chars */
#endif
@@ -2292,8 +2293,12 @@ int do_string(__G__ length, option) /* return PK-type error code */
seek_zipf(__G__ G.cur_zipfile_bufstart - G.extra_bytes +
(G.inptr-G.inbuf) + length);
} else {
- if (readbuf(__G__ (char *)G.extra_field, length) == 0)
+ if ((length2 = readbuf(__G__ (char *)G.extra_field, length)) == 0)
return PK_EOF;
+ if(length2 < length) {
+ memset (__G__ (char *)G.extra_field+length2, 0 , length-length2);
+ length = length2;
+ }
/* Looks like here is where extra fields are read */
getZip64Data(__G__ G.extra_field, length);
#ifdef UNICODE_SUPPORT