AuxXxilium/linux_dsm_epyc7002
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

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Pull RCU pathwalk fix from Al Viro:
 "Another racy use of nd->path.dentry in RCU mode"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  may_follow_link() should use nd->inode
This commit is contained in:
Linus Torvalds 2015-08-10 10:04:47 -07:00
commit a3ca013d88
1 changed files with 1 additions and 1 deletions
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2
fs/namei.c
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@ -879,7 +879,7 @@ static inline int may_follow_link(struct nameidata *nd)
return 0;
/* Allowed if parent directory not sticky and world-writable. */
parent = nd->path.dentry->d_inode;
parent = nd->inode;
if ((parent->i_mode & (S_ISVTX|S_IWOTH)) != (S_ISVTX|S_IWOTH))
return 0;