Messages in this thread Patch in this message | | | From | Guillaume Chazarain <> | Subject | [PATCH] proc: advertise new restrictions on /proc/*/maps & /proc/*/smaps | Date | Fri, 04 Jan 2008 00:51:50 +0100 |
| |
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),
| |