systemd/SOURCES/0717-execute-Pass-AT_FDCWD-instead-of-1.patch

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2024-10-04 13:28:39 +00:00
From 7d3b9e98e22f92561c98f6bf838cc830324834e3 Mon Sep 17 00:00:00 2001
From: Daan De Meyer <daan.j.demeyer@gmail.com>
Date: Tue, 13 Dec 2022 10:50:01 +0000
Subject: [PATCH] execute: Pass AT_FDCWD instead of -1
Let's enforce that callers pass AT_FDCWD as read_dfd to load_credential()
to avoid an assert() in read_full_file_full() if read_dfd is -1.
(cherry picked from commit 661e4251a5b157d1aee1df98fbd2f0c95285ebba)
Resolves: RHEL-31783
---
src/core/execute.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/core/execute.c b/src/core/execute.c
index ea36254241..13222ddea3 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -2662,6 +2662,7 @@ static int load_credential(
assert(id);
assert(path);
assert(unit);
+ assert(read_dfd >= 0 || read_dfd == AT_FDCWD);
assert(write_dfd >= 0);
assert(left);
@@ -2888,7 +2889,7 @@ static int acquire_credentials(
lc->path,
lc->encrypted,
unit,
- -1,
+ AT_FDCWD,
dfd,
uid,
ownership_ok,