commit 69ad7d8d9b5e5043005cbbb2a73292cc2694c123
author bart <bart@a5019735-40e9-0310-863c-91ae7b9d1cf9> Tue Jun 29 06:16:52 2010 +0000
committer bart <bart@a5019735-40e9-0310-863c-91ae7b9d1cf9> Tue Jun 29 06:16:52 2010 +0000
tree 44d942175f177957cd4124ed504639db5f62d839
parent c7d0a8fd9316f0f54af4c4c762d905453809d09f

Fix for bug #242814 (Linux): made sure that Valgrind tools do not crash when the first argument of the mount() system call is NULL.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@11191 a5019735-40e9-0310-863c-91ae7b9d1cf9

coregrind/m_syswrap/syswrap-linux.c

diff --git a/coregrind/m_syswrap/syswrap-linux.c b/coregrind/m_syswrap/syswrap-linux.c
index 9c47dfb..247402d 100644
--- a/coregrind/m_syswrap/syswrap-linux.c
+++ b/coregrind/m_syswrap/syswrap-linux.c
@@ -420,7 +420,8 @@
    PRE_REG_READ5(long, "mount",
                  char *, source, char *, target, char *, type,
                  unsigned long, flags, void *, data);
-   PRE_MEM_RASCIIZ( "mount(source)", ARG1);
+   if (ARG1)
+      PRE_MEM_RASCIIZ( "mount(source)", ARG1);
    PRE_MEM_RASCIIZ( "mount(target)", ARG2);
    PRE_MEM_RASCIIZ( "mount(type)", ARG3);
 }