X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fauditsc.c;h=972f8e61d36ac4ca7742038b2a3f3004f1857eb9;hb=85a73b333c0c06fcadb8e32f1e30f00e980f2fc7;hp=496c3dd372761a4862791658d7635db3fca87e65;hpb=d65f5c5803d9cd6fa0b540a0dddf956be671bc36;p=linux-2.6

diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 496c3dd372..972f8e61d3 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)