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File _service:tar_scm:backport-cgroups-agent-connect-stdin-stdout-stderr-to-dev-nul.patch of Package systemd
From a59a7227a29a73e8e1b0d80153f258e20354c0d7 Mon Sep 17 00:00:00 2001 From: Lennart Poettering <lennart@poettering.net> Date: Fri, 15 Jul 2022 11:02:40 +0200 Subject: [PATCH] cgroups-agent: connect stdin/stdout/stderr to /dev/null Inspired by https://github.com/systemd/systemd/pull/24024 this is another user mode helper, where this might be an issue. hence let's rather be safe than sorry, and also connect stdin/stdout/stderr explicitly with /dev/null. (cherry picked from commit 50492ce81589773df2d82b4fc8047778e86c6edf) (cherry picked from commit 689487785f776815e71642f89685ff01f0bc4fde) (cherry picked from commit d8464304f03e6644bfc6ed42e13fb3a460b9ff60) Conflict:NA Reference:https://github.com/systemd/systemd/commit/a59a7227a29a73e8e1b0d80153f258e20354c0d7 --- src/cgroups-agent/cgroups-agent.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/src/cgroups-agent/cgroups-agent.c b/src/cgroups-agent/cgroups-agent.c index 071cba3099..9126736235 100644 --- a/src/cgroups-agent/cgroups-agent.c +++ b/src/cgroups-agent/cgroups-agent.c @@ -16,6 +16,13 @@ int main(int argc, char *argv[]) { _cleanup_close_ int fd = -1; ssize_t n; size_t l; + int r; + + r = rearrange_stdio(-1, -1, -1); + if (r < 0) { + log_error_errno(r, "Failed to connect stdin/stdout/stderr with /dev/null: %m"); + return EXIT_FAILURE; + } if (argc != 2) { log_error("Incorrect number of arguments."); -- 2.27.0
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