diff options
Diffstat (limited to 'src/shutdown')
| -rw-r--r-- | src/shutdown/shutdown.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/shutdown/shutdown.c b/src/shutdown/shutdown.c index b1dac20c69..802be44a79 100644 --- a/src/shutdown/shutdown.c +++ b/src/shutdown/shutdown.c @@ -338,6 +338,12 @@ int main(int argc, char *argv[]) { char *arguments[3]; int cmd, r; + /* Close random fds we might have get passed, just for paranoia, before we open any new fds, for + * example for logging. After all this tool's purpose is about detaching any pinned resources, and + * open file descriptors are the primary way to pin resources. Note that we don't really expect any + * fds to be passed here. */ + (void) close_all_fds(NULL, 0); + /* The log target defaults to console, but the original systemd process will pass its log target in through a * command line argument, which will override this default. Also, ensure we'll never log to the journal or * syslog, as these logging daemons are either already dead or will die very soon. */ |