lkml.org 
[lkml]   [2008]   [Jan]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] proc: advertise new restrictions on /proc/*/maps & /proc/*/smaps
Date
Now that strangers are kept out of /proc/<pid>/maps, let's welcome them
with -EPERM instead of a blank file.

Signed-off-by: Guillaume Chazarain <guichaz@yahoo.fr>
---

fs/proc/base.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)


diff --git a/fs/proc/base.c b/fs/proc/base.c
index 7411bfb..c824b23 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -2207,7 +2207,7 @@ static const struct pid_entry tgid_base_stuff[] = {
INF("cmdline", S_IRUGO, pid_cmdline),
INF("stat", S_IRUGO, tgid_stat),
INF("statm", S_IRUGO, pid_statm),
- REG("maps", S_IRUGO, maps),
+ REG("maps", S_IRUSR, maps),
#ifdef CONFIG_NUMA
REG("numa_maps", S_IRUGO, numa_maps),
#endif
@@ -2219,7 +2219,7 @@ static const struct pid_entry tgid_base_stuff[] = {
REG("mountstats", S_IRUSR, mountstats),
#ifdef CONFIG_MMU
REG("clear_refs", S_IWUSR, clear_refs),
- REG("smaps", S_IRUGO, smaps),
+ REG("smaps", S_IRUSR, smaps),
#endif
#ifdef CONFIG_SECURITY
DIR("attr", S_IRUGO|S_IXUGO, attr_dir),
@@ -2533,7 +2533,7 @@ static const struct pid_entry tid_base_stuff[] = {
INF("cmdline", S_IRUGO, pid_cmdline),
INF("stat", S_IRUGO, tid_stat),
INF("statm", S_IRUGO, pid_statm),
- REG("maps", S_IRUGO, maps),
+ REG("maps", S_IRUSR, maps),
#ifdef CONFIG_NUMA
REG("numa_maps", S_IRUGO, numa_maps),
#endif
@@ -2544,7 +2544,7 @@ static const struct pid_entry tid_base_stuff[] = {
REG("mounts", S_IRUGO, mounts),
#ifdef CONFIG_MMU
REG("clear_refs", S_IWUSR, clear_refs),
- REG("smaps", S_IRUGO, smaps),
+ REG("smaps", S_IRUSR, smaps),
#endif
#ifdef CONFIG_SECURITY
DIR("attr", S_IRUGO|S_IXUGO, attr_dir),


\
 
 \ /
  Last update: 2008-01-04 00:55    [W:0.043 / U:0.504 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site