From: Jaromír Končický <jkoncick@xxxxxxxxxx>
arptables-v0.0.4/arptables.c:1671: string_null_argument: Function "read(int, void *, size_t)" does not terminate string "*ret".
arptables-v0.0.4/arptables.c:1675: string_null: Passing unterminated string "ret" to "strlen(char const *)", which expects a null-terminated string.
---
userspace/arptables/arptables.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/userspace/arptables/arptables.c b/userspace/arptables/arptables.c
index 5535ab2..8ef445a 100644
--- a/userspace/arptables/arptables.c
+++ b/userspace/arptables/arptables.c
@@ -1668,10 +1668,12 @@ static char *get_modprobe(void)
ret = malloc(1024);
if (ret) {
- switch (read(procfile, ret, 1024)) {
+ int read_bytes = read(procfile, ret, 1024);
+ switch (read_bytes) {
case -1: goto fail;
case 1024: goto fail; /* Partial read. Wierd */
}
+ ret[read_bytes] = '\0';
if (ret[strlen(ret)-1]=='\n')
ret[strlen(ret)-1]=0;
close(procfile);
--
1.8.3.1
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