From 44f23805b083108cb7524fb0558dba04c1ac692f Mon Sep 17 00:00:00 2001 From: Mike Yuan Date: Sat, 8 Nov 2025 20:26:31 +0100 Subject: [PATCH] core/exec-credential: work around tmpfs reconfigure bug --- src/core/exec-credential.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/src/core/exec-credential.c b/src/core/exec-credential.c index 632365fbac7..d2b83073694 100644 --- a/src/core/exec-credential.c +++ b/src/core/exec-credential.c @@ -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; -- 2.47.3