path: root/security
diff options
authorBen Hutchings <ben@decadent.org.uk>2010-09-26 05:55:13 +0100
committerJames Morris <jmorris@namei.org>2010-09-27 10:53:18 +1000
commitc8da96e87d349e9035345293093ecc74792fb96a (patch)
tree738b017e4fa8547feb2741969decd749ea6e98e1 /security
parent91e71c12c506e15028c252a5a097723f41c518dd (diff)
TOMOYO: Don't abuse sys_getpid(), sys_getppid()
System call entry functions sys_*() are never to be called from general kernel code. The fact that they aren't declared in header files should have been a clue. These functions also don't exist on Alpha since it has sys_getxpid() instead. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'security')
2 files changed, 5 insertions, 4 deletions
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index ef43995119a4..c668b447c725 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -1416,15 +1416,19 @@ static char *tomoyo_print_header(struct tomoyo_request_info *r)
const pid_t gpid = task_pid_nr(current);
static const int tomoyo_buffer_len = 4096;
char *buffer = kmalloc(tomoyo_buffer_len, GFP_NOFS);
+ pid_t ppid;
if (!buffer)
return NULL;
+ rcu_read_lock();
+ ppid = task_tgid_vnr(current->real_parent);
+ rcu_read_unlock();
snprintf(buffer, tomoyo_buffer_len - 1,
"#timestamp=%lu profile=%u mode=%s (global-pid=%u)"
" task={ pid=%u ppid=%u uid=%u gid=%u euid=%u"
" egid=%u suid=%u sgid=%u fsuid=%u fsgid=%u }",
tv.tv_sec, r->profile, tomoyo_mode[r->mode], gpid,
- (pid_t) sys_getpid(), (pid_t) sys_getppid(),
+ task_tgid_vnr(current), ppid,
current_uid(), current_gid(), current_euid(),
current_egid(), current_suid(), current_sgid(),
current_fsuid(), current_fsgid());
diff --git a/security/tomoyo/common.h b/security/tomoyo/common.h
index 04454cb7b24a..7c66bd898782 100644
--- a/security/tomoyo/common.h
+++ b/security/tomoyo/common.h
@@ -689,9 +689,6 @@ struct tomoyo_profile {
/********** Function prototypes. **********/
-extern asmlinkage long sys_getpid(void);
-extern asmlinkage long sys_getppid(void);
/* Check whether the given string starts with the given keyword. */
bool tomoyo_str_starts(char **src, const char *find);
/* Get tomoyo_realpath() of current process. */

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