From 1bc79cb9a5067d685ba507fad9b189ed28ad70a0 Mon Sep 17 00:00:00 2001 From: Andrew Gregory Date: Wed, 10 May 2017 18:54:53 -0400 Subject: alpm_unlock: check handle before dereferencing Prevents SIGSEGV if we catch SIGINT or SIGHUP before initializing alpm. Signed-off-by: Andrew Gregory Signed-off-by: Allan McRae --- 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 v1.2.3-70-g09d2