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-rw-r--r--daemon/debug.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/daemon/debug.c b/daemon/debug.c
index bb91c9ef..2946662d 100644
--- a/daemon/debug.c
+++ b/daemon/debug.c
@@ -198,7 +198,13 @@ debug_fds (const char *subcmd, int argc, char *const *const argv)
static char *
debug_segv (const char *subcmd, int argc, char *const *const argv)
{
- *(int*)0 = 0;
+ /* http://blog.llvm.org/2011/05/what-every-c-programmer-should-know.html
+ * "Dereferencing a NULL Pointer: contrary to popular belief,
+ * dereferencing a null pointer in C is undefined. It is not defined
+ * to trap [...]"
+ */
+ volatile int *ptr = NULL;
+ *ptr = 1;
return NULL;
}