diff options
| -rw-r--r-- | src/process/posix_spawn_file_actions_addclose.c | 1 | ||||
| -rw-r--r-- | src/process/posix_spawn_file_actions_adddup2.c | 1 | ||||
| -rw-r--r-- | src/process/posix_spawn_file_actions_addfchdir.c | 1 | ||||
| -rw-r--r-- | src/process/posix_spawn_file_actions_addopen.c | 1 |
4 files changed, 4 insertions, 0 deletions
diff --git a/src/process/posix_spawn_file_actions_addclose.c b/src/process/posix_spawn_file_actions_addclose.c index cdda5979..0c2ef8fa 100644 --- a/src/process/posix_spawn_file_actions_addclose.c +++ b/src/process/posix_spawn_file_actions_addclose.c @@ -5,6 +5,7 @@ int posix_spawn_file_actions_addclose(posix_spawn_file_actions_t *fa, int fd) { + if (fd < 0) return EBADF; struct fdop *op = malloc(sizeof *op); if (!op) return ENOMEM; op->cmd = FDOP_CLOSE; diff --git a/src/process/posix_spawn_file_actions_adddup2.c b/src/process/posix_spawn_file_actions_adddup2.c index 0367498f..addca4d4 100644 --- a/src/process/posix_spawn_file_actions_adddup2.c +++ b/src/process/posix_spawn_file_actions_adddup2.c @@ -5,6 +5,7 @@ int posix_spawn_file_actions_adddup2(posix_spawn_file_actions_t *fa, int srcfd, int fd) { + if (srcfd < 0 || fd < 0) return EBADF; struct fdop *op = malloc(sizeof *op); if (!op) return ENOMEM; op->cmd = FDOP_DUP2; diff --git a/src/process/posix_spawn_file_actions_addfchdir.c b/src/process/posix_spawn_file_actions_addfchdir.c index 436c683d..e89ede8c 100644 --- a/src/process/posix_spawn_file_actions_addfchdir.c +++ b/src/process/posix_spawn_file_actions_addfchdir.c @@ -6,6 +6,7 @@ int posix_spawn_file_actions_addfchdir_np(posix_spawn_file_actions_t *fa, int fd) { + if (fd < 0) return EBADF; struct fdop *op = malloc(sizeof *op); if (!op) return ENOMEM; op->cmd = FDOP_FCHDIR; diff --git a/src/process/posix_spawn_file_actions_addopen.c b/src/process/posix_spawn_file_actions_addopen.c index 368922c7..82bbcec9 100644 --- a/src/process/posix_spawn_file_actions_addopen.c +++ b/src/process/posix_spawn_file_actions_addopen.c @@ -6,6 +6,7 @@ int posix_spawn_file_actions_addopen(posix_spawn_file_actions_t *restrict fa, int fd, const char *restrict path, int flags, mode_t mode) { + if (fd < 0) return EBADF; struct fdop *op = malloc(sizeof *op + strlen(path) + 1); if (!op) return ENOMEM; op->cmd = FDOP_OPEN; |