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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-08-07 10:55:03 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-08-07 10:55:03 +0200
commit4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch)
treed240e4d40357583e3f3eb228dccf20122a5b31ed /kernel/auditsc.c
parent[ARM] Add support for arch/arm/mach-*/include and arch/arm/plat-*/include (diff)
parentkbuild: a better way to generate cscope database change (diff)
downloadlinux-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz
linux-4fb8af10d0fd09372d52966b76922b9e82bbc950.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
Diffstat (limited to 'kernel/auditsc.c')
-rw-r--r--kernel/auditsc.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 4699950e65bd..972f8e61d36a 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -243,6 +243,9 @@ static inline int open_arg(int flags, int mask)
static int audit_match_perm(struct audit_context *ctx, int mask)
{
+ if (unlikely(!ctx))
+ return 0;
+
unsigned n = ctx->major;
switch (audit_classify_syscall(ctx->arch, n)) {
case 0: /* native */
@@ -284,6 +287,10 @@ static int audit_match_filetype(struct audit_context *ctx, int which)
{
unsigned index = which & ~S_IFMT;
mode_t mode = which & S_IFMT;
+
+ if (unlikely(!ctx))
+ return 0;
+
if (index >= ctx->name_count)
return 0;
if (ctx->names[index].ino == -1)
@@ -610,7 +617,7 @@ static int audit_filter_rules(struct task_struct *tsk,
if (!result)
return 0;
}
- if (rule->filterkey)
+ if (rule->filterkey && ctx)
ctx->filterkey = kstrdup(rule->filterkey, GFP_ATOMIC);
switch (rule->action) {
case AUDIT_NEVER: *state = AUDIT_DISABLED; break;
@@ -2375,7 +2382,7 @@ int __audit_signal_info(int sig, struct task_struct *t)
struct audit_context *ctx = tsk->audit_context;
if (audit_pid && t->tgid == audit_pid) {
- if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1) {
+ if (sig == SIGTERM || sig == SIGHUP || sig == SIGUSR1 || sig == SIGUSR2) {
audit_sig_pid = tsk->pid;
if (tsk->loginuid != -1)
audit_sig_uid = tsk->loginuid;