diff options
Diffstat (limited to 'src/login/logind-user.c')
| -rw-r--r-- | src/login/logind-user.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/login/logind-user.c b/src/login/logind-user.c index 63363035e7..11951aca5b 100644 --- a/src/login/logind-user.c +++ b/src/login/logind-user.c @@ -612,9 +612,14 @@ int user_finalize(User *u) { if (k < 0) r = k; - /* Clean SysV + POSIX IPC objects */ - if (u->manager->remove_ipc) { - k = clean_ipc(u->uid); + /* Clean SysV + POSIX IPC objects, but only if this is not a system user. Background: in many setups cronjobs + * are run in full PAM and thus logind sessions, even if the code run doesn't belong to actual users but to + * system components. Since enable RemoveIPC= globally for all users, we need to be a bit careful with such + * cases, as we shouldn't accidentally remove a system service's IPC objects while it is running, just because + * a cronjob running as the same user just finished. Hence: exclude system users generally from IPC clean-up, + * and do it only for normal users. */ + if (u->manager->remove_ipc && u->uid > SYSTEM_UID_MAX) { + k = clean_ipc_by_uid(u->uid); if (k < 0) r = k; } |