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25 lines
657 B
Diff
25 lines
657 B
Diff
From 0f29566b5fad388cc4a07402f9651d86f1fe2b45 Mon Sep 17 00:00:00 2001
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From: Tom Marshall <tdm.code@gmail.com>
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Date: Fri, 19 May 2017 18:24:49 +0000
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Subject: [PATCH] kernel: Fix potential refcount leak in su check
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Change-Id: I3d241ae805ba708c18bccfd5e5d6cdcc8a5bc1c8
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---
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diff --git a/fs/namei.c b/fs/namei.c
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index 414fc51..689339e 100644
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--- a/fs/namei.c
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+++ b/fs/namei.c
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@@ -1803,8 +1803,10 @@
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if (!err) {
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struct super_block *sb = nd->inode->i_sb;
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if (sb->s_flags & MS_RDONLY) {
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- if (d_is_su(nd->path.dentry) && !su_visible())
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+ if (d_is_su(nd->path.dentry) && !su_visible()) {
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+ path_put(&nd->path);
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err = -ENOENT;
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+ }
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}
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}
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