From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Sat, 15 Jul 2006 04:48:03 +0000 (-0700)
Subject: Relax /proc fix a bit
X-Git-Tag: v2.6.18-rc2~79
X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=9ee8ab9fbf21e6b87ad227cd46c0a4be41ab749b;p=~shefty%2Frdma-dev.git

Relax /proc fix a bit

Clearign all of i_mode was a bit draconian. We only really care about
S_ISUID/ISGID, after all.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 0cb8f20d000..474eae34506 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1338,8 +1338,8 @@ static int pid_revalidate(struct dentry *dentry, struct nameidata *nd)
 		} else {
 			inode->i_uid = 0;
 			inode->i_gid = 0;
-			inode->i_mode = 0;
 		}
+		inode->i_mode &= ~(S_ISUID | S_ISGID);
 		security_task_to_inode(task, inode);
 		put_task_struct(task);
 		return 1;
@@ -1390,6 +1390,7 @@ static int tid_fd_revalidate(struct dentry *dentry, struct nameidata *nd)
 					inode->i_uid = 0;
 					inode->i_gid = 0;
 				}
+				inode->i_mode &= ~(S_ISUID | S_ISGID);
 				security_task_to_inode(task, inode);
 				put_task_struct(task);
 				return 1;