From 9ee8ab9fbf21e6b87ad227cd46c0a4be41ab749b Mon Sep 17 00:00:00 2001
From: Linus Torvalds <torvalds@g5.osdl.org>
Date: Fri, 14 Jul 2006 21:48:03 -0700
Subject: [PATCH] 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>
---
fs/proc/base.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 0cb8f20d000c..474eae345068 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;