zhangxiliang wrote:

 static int audit_match_perm(struct audit_context *ctx, int mask)
 {
+       if(!ctx)
+               return 0;
        unsigned n = ctx->major;

Please check this patch with scripts/checkpatch.pl and then resend it.


        switch (audit_classify_syscall(ctx->arch, n)) {
        case 0: /* native */
@@ -284,6 +286,8 @@ static int audit_match_filetype(struct audit_context *ctx, 
int which)
 {
        unsigned index = which & ~S_IFMT;
        mode_t mode = which & S_IFMT;
+       if(!ctx)
+               return 0;
        if (index >= ctx->name_count)
                return 0;
        if (ctx->names[index].ino == -1)



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