diff options
Diffstat (limited to 'src/backend/storage/ipc')
| -rw-r--r-- | src/backend/storage/ipc/signalfuncs.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/backend/storage/ipc/signalfuncs.c b/src/backend/storage/ipc/signalfuncs.c index ade8d713aae..a2ff02baf62 100644 --- a/src/backend/storage/ipc/signalfuncs.c +++ b/src/backend/storage/ipc/signalfuncs.c @@ -68,8 +68,13 @@ pg_signal_backend(int pid, int sig) return SIGNAL_BACKEND_ERROR; } - /* Only allow superusers to signal superuser-owned backends. */ - if (superuser_arg(proc->roleId) && !superuser()) + /* + * Only allow superusers to signal superuser-owned backends. Any process + * not advertising a role might have the importance of a superuser-owned + * backend, so treat it that way. + */ + if ((!OidIsValid(proc->roleId) || superuser_arg(proc->roleId)) && + !superuser()) return SIGNAL_BACKEND_NOSUPERUSER; /* Users can signal backends they have role membership in. */ |