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| author | Andrew Gregory <andrew.gregory.8@gmail.com> | 2017-05-11 00:54:53 +0200 |
|---|---|---|
| committer | Allan McRae <allan@archlinux.org> | 2017-05-16 04:38:58 +0200 |
| commit | 1bc79cb9a5067d685ba507fad9b189ed28ad70a0 (patch) | |
| tree | 3a912815fdddc789ae139059df107b2c6ab950ff /lib/libalpm/handle.c | |
| parent | f4e2009e9b01a3ebff8b54e059d4f0422a139016 (diff) | |
| download | pacman-1bc79cb9a5067d685ba507fad9b189ed28ad70a0.tar.gz pacman-1bc79cb9a5067d685ba507fad9b189ed28ad70a0.tar.xz | |
alpm_unlock: check handle before dereferencing
Prevents SIGSEGV if we catch SIGINT or SIGHUP before initializing alpm.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Signed-off-by: Allan McRae <allan@archlinux.org>
Diffstat (limited to 'lib/libalpm/handle.c')
| -rw-r--r-- | lib/libalpm/handle.c | 1 |
1 files changed, 1 insertions, 0 deletions
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); |