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basic/unit-file: fix use-after-free

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This fixes a bug introduced by e8630e6952.

Fixes CID#1453292.
This commit is contained in:
Yu Watanabe
2021-05-28 19:48:33 +09:00
parent a04842dfb2
commit 7f1238bd04
1 changed files with 3 additions and 3 deletions
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6
src/basic/unit-file.c
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@@ -303,11 +303,11 @@ int unit_file_build_name_map(
return log_oom();
if (paths) {
r = set_consume(paths, filename);
r = set_put(paths, filename);
if (r < 0)
return log_oom();
/* We will still use filename below. This is safe because we know the set
* holds a reference. */
if (r == 0)
_filename_free = filename; /* Make sure we free the filename. */
} else
_filename_free = filename; /* Make sure we free the filename. */