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25 lines
657 B
Diff
25 lines
657 B
Diff
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From fd494b5a4da5dc2e332b8b7480960509046c7b2e 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 18:24:04 +0000
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Subject: [PATCH] kernel: Fix potential refcount leak in su check
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Change-Id: I7e1ecb78bfc951bf645a1462988dcd93c4247a9b
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---
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diff --git a/fs/namei.c b/fs/namei.c
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index a52456c..404b61c 100644
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--- a/fs/namei.c
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+++ b/fs/namei.c
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@@ -2003,8 +2003,10 @@
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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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