If the set of headers are unable to produce a valid list, printflags
will try to pass NULL to tprints which crashes. Add a sanity check
for this edge case.
* util.c (printflags): Check xlat->str is not NULL.
---
util.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/util.c b/util.c
index c3e3fda..7c19044 100644
--- a/util.c
+++ b/util.c
@@ -353,8 +353,11 @@ printflags(const struct xlat *xlat, int flags, const char
*dflt)
const char *sep;
if (flags == 0 && xlat->val == 0) {
- tprints(xlat->str);
- return 1;
+ if (xlat->str) {
+ tprints(xlat->str);
+ return 1;
+ } else
+ return 0;
}
sep = "";
--
2.5.2
------------------------------------------------------------------------------
_______________________________________________
Strace-devel mailing list
Strace-devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/strace-devel
