Is it possible for you to generate kernel patch only with **kernel log** for 'use-after-free' case? With kernel log, we only have limited information, so it is hard to debug 'use-after-free' case with this signature. For this matter, kernel should be compiled with below config. CONFIG_SLUB_DEBUG=y CONFIG_SLUB_DEBUG_ON=y 2019년 8월 7일 (수) 오후 9:56, Thomas Gleixner <tglx@xxxxxxxxxxxxx>님이 작성: > > On Wed, 7 Aug 2019, Austin Kim wrote: > > A: Because it messes up the order in which people normally read text. > Q: Why is top-posting such a bad thing? > A: Top-posting. > Q: What is the most annoying thing in e-mail? > > A: No. > Q: Should I include quotations after my reply? > > http://daringfireball.net/2007/07/on_top > > > I wonder what kinds of workqueue is used in case of this panic. > > > > If system workqueue(system_wq) is used for this case, it would be a > > help to replace it with high priority workqueue(system_highpri_wq). If > > panic disappers with high priority workqueue(system_highpri_wq), we > > would think about another scenario. > > How would that help? As Sebastian explained, something overwrote memory or > it is a Use After Free. How would a high priority workqueue 'fix' that? > > You need to find the root cause, which is either memory corruption or a use > after free. > > Thanks, > > tglx