diff options
Diffstat (limited to 'examples/bind9-patches/0002-prevent-a-valgrind-uninitialised-memory-warning.patch')
| -rw-r--r-- | examples/bind9-patches/0002-prevent-a-valgrind-uninitialised-memory-warning.patch | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/examples/bind9-patches/0002-prevent-a-valgrind-uninitialised-memory-warning.patch b/examples/bind9-patches/0002-prevent-a-valgrind-uninitialised-memory-warning.patch new file mode 100644 index 0000000000..22f0ce493f --- /dev/null +++ b/examples/bind9-patches/0002-prevent-a-valgrind-uninitialised-memory-warning.patch @@ -0,0 +1,34 @@ +From 31059dee4a706bb4f25f3dccaae7616451eabd8b Mon Sep 17 00:00:00 2001 +From: Andrew Tridgell <tridge@samba.org> +Date: Wed, 17 Feb 2010 10:59:42 +1100 +Subject: [PATCH 2/5] prevent a valgrind uninitialised memory warning + +epoll uses a union, so to prevent passing uninitialised data in a +syscall we need to zero it before use. +--- + lib/isc/unix/socket.c | 2 ++ + 1 files changed, 2 insertions(+), 0 deletions(-) + +diff --git a/lib/isc/unix/socket.c b/lib/isc/unix/socket.c +index d09fe51..4796ee4 100644 +--- a/lib/isc/unix/socket.c ++++ b/lib/isc/unix/socket.c +@@ -652,6 +652,7 @@ watch_fd(isc_socketmgr_t *manager, int fd, int msg) { + event.events = EPOLLIN; + else + event.events = EPOLLOUT; ++ memset(&event.data, 0, sizeof(event.data)); + event.data.fd = fd; + if (epoll_ctl(manager->epoll_fd, EPOLL_CTL_ADD, fd, &event) == -1 && + errno != EEXIST) { +@@ -719,6 +720,7 @@ unwatch_fd(isc_socketmgr_t *manager, int fd, int msg) { + event.events = EPOLLIN; + else + event.events = EPOLLOUT; ++ memset(&event.data, 0, sizeof(event.data)); + event.data.fd = fd; + if (epoll_ctl(manager->epoll_fd, EPOLL_CTL_DEL, fd, &event) == -1 && + errno != ENOENT) { +-- +1.6.3.3 + |