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audit: add refused symlink to audit_names

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Audit link denied events for symlinks had duplicate PATH records rather
than just updating the existing PATH record.  Update the symlink's PATH
record with the current dentry and inode information.

See: https://github.com/linux-audit/audit-kernel/issues/21

Signed-off-by: Richard Guy Briggs <rgb@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
This commit is contained in:
Richard Guy Briggs 2018-03-21 04:42:21 -04:00 committed by Paul Moore
parent 94b9d9b7a1
commit ea841bafda
1 changed files with 1 additions and 0 deletions
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fs/namei.c
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@ -945,6 +945,7 @@ static inline int may_follow_link(struct nameidata *nd)
if (nd->flags & LOOKUP_RCU)
return -ECHILD;
audit_inode(nd->name, nd->stack[0].link.dentry, 0);
audit_log_link_denied("follow_link");
return -EACCES;
}