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25 lines
657 B
Diff
25 lines
657 B
Diff
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From 3a4bd3fb9eb3db4ccb8103ba37ea5082836dba36 Mon Sep 17 00:00:00 2001
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From: Tom Marshall <tdm.code@gmail.com>
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Date: Thu, 18 May 2017 23:50:22 +0000
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Subject: [PATCH] kernel: Fix potential refcount leak in su check
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Change-Id: I8d2c8bed65a01eb0928308df638a04449a5bd881
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---
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diff --git a/fs/namei.c b/fs/namei.c
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index e07a2dc..f588830 100644
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--- a/fs/namei.c
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+++ b/fs/namei.c
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@@ -2028,8 +2028,10 @@
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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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