Re: [Crash-utility] [PATCH 2/2] Fix again segfault in arm64_is_kernel_exception_frame() when corrupt stack pointer address is given

> the part that might touch invalid range of memory. The reason why I'm > trying to fix the arm64_is_kernel_exception_frame() is I found the > issue there. > > So far I haven't observed this issue on my side. As you mentioned, the corrupt stack pointer address may be related to any kernel bugs or hardware issues. At least the real reason for the corrupt stack pointer address is not very clear, so how about adding some debugging information? Just an idea. HATAYAMA and Kazu. + if (stkptr > STACKSIZE() && !INSTACK(stkptr, bt)) { + if (CRASHDEBUG(1)) + error(WARNING, "The stkptr(0x%lx) is an address outside the range of kernel stack.\n", stkptr); + return FALSE; + } +