From 48ed9b33812ab81ef5c4e58255dc7464cef443bc Mon Sep 17 00:00:00 2001 From: Andrew Gregory Date: Mon, 1 May 2017 15:21:28 -0400 Subject: alpm_unlock: check handle before dereferencing Prevents SIGSEGV if we catch SIGINT or SIGHUP before initializing alpm. Signed-off-by: Andrew Gregory --- lib/libalpm/handle.c | 1 + 1 file changed, 1 insertion(+) diff --git a/lib/libalpm/handle.c b/lib/libalpm/handle.c index 502a5d9e..08625e3a 100644 --- a/lib/libalpm/handle.c +++ b/lib/libalpm/handle.c @@ -135,6 +135,7 @@ int _alpm_handle_lock(alpm_handle_t *handle) */ int SYMEXPORT alpm_unlock(alpm_handle_t *handle) { + ASSERT(handle != NULL, return -1); ASSERT(handle->lockfile != NULL, return 0); ASSERT(handle->lockfd >= 0, return 0); -- cgit v1.2.3-24-g4f1b