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Subjectproc/base.c patch
--- ./linux-2.6.33.4.orig/fs/proc/base.c	2010-05-13 02:04:27.000000000 +0400
+++ ./linux-2.6.33.4/fs/proc/base.c 2011-05-16 15:36:29.385923198 +0400
@@ -2570,11 +2570,11 @@
static const struct inode_operations proc_task_inode_operations;

static const struct pid_entry tgid_base_stuff[] = {
- DIR("task", S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
- DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
- DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
+ DIR("task", S_IWUSR|S_IRUGO|S_IXUGO, proc_task_inode_operations, proc_task_operations),
+ DIR("fd", S_IWUSR|S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
+ DIR("fdinfo", S_IRUSR|S_IWUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
#ifdef CONFIG_NET
- DIR("net", S_IRUGO|S_IXUGO, proc_net_inode_operations, proc_net_operations),
+ DIR("net", S_IRUGO|S_IWUSR|S_IXUGO, proc_net_inode_operations, proc_net_operations),
#endif
REG("environ", S_IRUSR, proc_environ_operations),
INF("auxv", S_IRUSR, proc_pid_auxv),
@@ -2608,7 +2608,7 @@
REG("pagemap", S_IRUSR, proc_pagemap_operations),
#endif
#ifdef CONFIG_SECURITY
- DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
+ DIR("attr", S_IRUGO|S_IWUSR|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
#endif
#ifdef CONFIG_KALLSYMS
INF("wchan", S_IRUGO, proc_pid_wchan),
@@ -2767,7 +2767,7 @@
if (!inode)
goto out;

- inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
+ inode->i_mode = S_IFDIR|S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP;
inode->i_op = &proc_tgid_base_inode_operations;
inode->i_fop = &proc_tgid_base_operations;
inode->i_flags|=S_IMMUTABLE;
@@ -2909,8 +2909,8 @@
* Tasks
*/
static const struct pid_entry tid_base_stuff[] = {
- DIR("fd", S_IRUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
- DIR("fdinfo", S_IRUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
+ DIR("fd", S_IRUSR|S_IWUSR|S_IXUSR, proc_fd_inode_operations, proc_fd_operations),
+ DIR("fdinfo", S_IRUSR|S_IWUSR|S_IXUSR, proc_fdinfo_inode_operations, proc_fdinfo_operations),
REG("environ", S_IRUSR, proc_environ_operations),
INF("auxv", S_IRUSR, proc_pid_auxv),
ONE("status", S_IRUGO, proc_pid_status),
@@ -2942,7 +2942,7 @@
REG("pagemap", S_IRUSR, proc_pagemap_operations),
#endif
#ifdef CONFIG_SECURITY
- DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
+ DIR("attr", S_IRUGO|S_IWUSR|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations),
#endif
#ifdef CONFIG_KALLSYMS
INF("wchan", S_IRUGO, proc_pid_wchan),
@@ -3008,7 +3008,7 @@

if (!inode)
goto out;
- inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO;
+ inode->i_mode = S_IFDIR|S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP|S_IXGRP;
inode->i_op = &proc_tid_base_inode_operations;
inode->i_fop = &proc_tid_base_operations;
inode->i_flags|=S_IMMUTABLE;

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