core/exec-credential: work around tmpfs reconfigure bug

2025-11-10 23:06:14 +01:00
parent d796c6b7c6
commit 44f23805b0
1 changed files with 5 additions and 0 deletions
@@ -1065,6 +1065,11 @@ static int setup_credentials_internal(
        if (r < 0)
                return log_debug_errno(r, "Failed to adjust ACLs of credentials dir: %m");

+        // Work around a kernel bug that results in tmpfs reconfiguration failure.
+        // FIXME: drop this once https://lore.kernel.org/linux-fsdevel/20251108190930.440685-1-me@yhndnzj.com/
+        // is merged and hits the distro kernels.
+        (void) fsconfig(fs_fd, FSCONFIG_SET_FLAG, "noswap", NULL, 0);
+
        if (fsconfig(fs_fd, FSCONFIG_SET_FLAG, "ro", NULL, 0) < 0)
                return -errno;