commit ca6b0bf0e086513b9ee5efc0aa5770ecb57778af
author Al Viro <viro@zeniv.linux.org.uk> Tue Feb 15 22:04:37 2011 -0500
committer Al Viro <viro@zeniv.linux.org.uk> Wed Mar 23 16:36:50 2011 -0400
tree 4fec50b38253288746ac4b4ea6d4bf5216b0c53b
parent 26ec3c646e75ce7a69fda429d68fcbdcd5eacc62

pagemap: close races with suid execve

just use mm_for_maps()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

fs/proc/base.c

diff --git a/fs/proc/base.c b/fs/proc/base.c
index b77236d..df73573 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2797,7 +2797,7 @@
 #ifdef CONFIG_PROC_PAGE_MONITOR
 	REG("clear_refs", S_IWUSR, proc_clear_refs_operations),
 	REG("smaps",      S_IRUGO, proc_smaps_operations),
-	REG("pagemap",    S_IRUSR, proc_pagemap_operations),
+	REG("pagemap",    S_IRUGO, proc_pagemap_operations),
 #endif
 #ifdef CONFIG_SECURITY
 	DIR("attr",       S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
@@ -3133,7 +3133,7 @@
 #ifdef CONFIG_PROC_PAGE_MONITOR
 	REG("clear_refs", S_IWUSR, proc_clear_refs_operations),
 	REG("smaps",     S_IRUGO, proc_smaps_operations),
-	REG("pagemap",    S_IRUSR, proc_pagemap_operations),
+	REG("pagemap",    S_IRUGO, proc_pagemap_operations),
 #endif
 #ifdef CONFIG_SECURITY
 	DIR("attr",      S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),