Date: Thu, 2 Jul 2020 17:36:24 +0800 (CST) From: youyan <hyouyan@....com> To: lkrg-users@...ts.openwall.com Subject: use miss check, lead to null pointer crash Hi lkrg team: In function p_ed_enforce_pcfi(),fellow code miss check before use : p_frame.fp = *(unsigned long *)(p_fp - 12); p_frame.sp = *(unsigned long *)(p_fp - 8); p_frame.pc = *(unsigned long *)(p_fp - 4); above code will lead to null pointer crash. This null pointer situation exist LKRG complie by clang 8.0. Content of type "text/html" skipped
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