Blame SOURCES/0746-fs-util-chase_symlinks-prevent-double-free.patch
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From e4834c7be945dfbb0a6d7f13c736924bf9489cd2 Mon Sep 17 00:00:00 2001
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From: Yu Watanabe <watanabe.yu+github@gmail.com>
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Date: Sun, 21 Jan 2018 19:19:25 +0900
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Subject: [PATCH] fs-util: chase_symlinks(): prevent double free
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Fixes CID #1385316.
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(cherry picked from commit b539437a056953cb0b537db4af61f1f1bf97ed44)
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Resolves: #1714782
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---
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src/shared/util.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/shared/util.c b/src/shared/util.c
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index 354d15ff18..07de902aaf 100644
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--- a/src/shared/util.c
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+++ b/src/shared/util.c
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@@ -9414,8 +9414,6 @@ int chase_symlinks(const char *path, const char *original_root, unsigned flags,
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if (fd < 0)
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return -errno;
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- free(done);
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-
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if (flags & CHASE_SAFE) {
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if (fstat(fd, &st) < 0)
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return -errno;
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@@ -9426,6 +9424,8 @@ int chase_symlinks(const char *path, const char *original_root, unsigned flags,
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previous_stat = st;
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}
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+ free(done);
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+
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/* Note that we do not revalidate the root, we take it as is. */
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if (isempty(root))
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done = NULL;
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