From: Lennart Poettering <lennart@poettering.net>
Date: Fri, 26 Sep 2025 10:30:54 +0000 (+0200)
Subject: pam_systemd: downgrade OSC sequence writing at close to LOG_DEBUG
X-Git-Tag: v259-rc1~418
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cd8a1a8ef7a4eade1d11e28ccbb2fcd8f39b3f04;p=thirdparty%2Fsystemd.git

pam_systemd: downgrade OSC sequence writing at close to LOG_DEBUG

Fixes: #39135
---

diff --git a/src/login/pam_systemd.c b/src/login/pam_systemd.c
index 30325cd7ee6..f305075a202 100644
--- a/src/login/pam_systemd.c
+++ b/src/login/pam_systemd.c
@@ -1708,9 +1708,10 @@ static int close_osc_context(pam_handle_t *handle) {
         if (r < 0)
                 return pam_syslog_errno(handle, LOG_ERR, r, "Failed to prepare OSC sequence: %m");
 
+        /* When we are closing things, the TTY might not take our writes anymore. Accept that gracefully. */
         r = loop_write(fd, osc, SIZE_MAX);
         if (r < 0)
-                return pam_syslog_errno(handle, LOG_ERR, r, "Failed to write OSC sequence to TTY: %m");
+                pam_syslog_errno(handle, LOG_DEBUG, r, "Failed to write OSC sequence to TTY, ignoring: %m");
 
         return PAM_SUCCESS;
 }