[anaconda-storage-branch PATCH] Avoid SIGSEGV in doPwMount() when NULL is last parameter (#491192)

[David Cantrell <dcantrell@xxxxxxxxxx>]

If NULL is given as the last parameter to doPwMount(), do not try
to dereference it.
---
 isys/imount.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/isys/imount.c b/isys/imount.c
index 614e67e..fd51fde 100644
--- a/isys/imount.c
+++ b/isys/imount.c
@@ -146,9 +146,11 @@ int doPwMount(char *dev, char *where, char *fs, char *options, char **err) {
 
     close(pipefd[1]);
 
-    if (*err != NULL) {
-        rc = readFD(pipefd[0], err);
-        rc = write(programLogFD, *err, 4096);
+    if (err != NULL) {
+        if (*err != NULL) {
+            rc = readFD(pipefd[0], err);
+            rc = write(programLogFD, *err, 4096);
+        }
     }
 
     close(pipefd[0]);
-- 
1.6.2

_______________________________________________
Anaconda-devel-list mailing list
Anaconda-devel-list@xxxxxxxxxx
https://www.redhat.com/mailman/listinfo/anaconda-devel-list