Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=175fc484256e9c85e043f599ec2f6bc0d2e6c443
Commit: 175fc484256e9c85e043f599ec2f6bc0d2e6c443
Parent: 9dc83afdbefd184bf29f347e8fcbb6d8a2b5e6fe
Author: Al Viro <[EMAIL PROTECTED]>
AuthorDate: Wed Aug 8 00:01:46 2007 +0100
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Tue Aug 7 19:58:56 2007 -0700
fix oops in __audit_signal_info()
The check for audit_signals is misplaced and the check for
audit_dummy_context() is missing; as the result, if we send a signal to
auditd from task with NULL ->audit_context while we have audit_signals
!= 0 we end up with an oops.
Signed-off-by: Al Viro <[EMAIL PROTECTED]>
Acked-by: James Morris <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
kernel/auditsc.c | 22 +++++++++++-----------
1 files changed, 11 insertions(+), 11 deletions(-)
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index a777d37..3401293 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -1992,19 +1992,19 @@ int __audit_signal_info(int sig, struct task_struct *t)
extern uid_t audit_sig_uid;
extern u32 audit_sig_sid;
- if (audit_pid && t->tgid == audit_pid &&
- (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1)) {
- audit_sig_pid = tsk->pid;
- if (ctx)
- audit_sig_uid = ctx->loginuid;
- else
- audit_sig_uid = tsk->uid;
- selinux_get_task_sid(tsk, &audit_sig_sid);
+ if (audit_pid && t->tgid == audit_pid) {
+ if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {
+ audit_sig_pid = tsk->pid;
+ if (ctx)
+ audit_sig_uid = ctx->loginuid;
+ else
+ audit_sig_uid = tsk->uid;
+ selinux_get_task_sid(tsk, &audit_sig_sid);
+ }
+ if (!audit_signals || audit_dummy_context())
+ return 0;
}
- if (!audit_signals) /* audit_context checked in wrapper */
- return 0;
-
/* optimize the common case by putting first signal recipient directly
* in audit_context */
if (!ctx->target_pid) {
-
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