linux - Is there a list of errors will show up as `segfaults` when they are not really related to memory access? -


in this question, learned attempting run privileged instructions when not in ring 0 can cause looks segfault in user process, , have 2 follow-up questions.

  1. is true of privileged instructions?
  2. what other sorts of errors can cause fake segfault not related trying read memory?

read through instruction set reference , see #gp listed non-memory issue. incomplete list: cli, clts, hlt, in, int (with invalid vector), invd, invlpg, iret (under circumstances), ldmxcsr(setting reserved bits), lgdt, lidt, lldt, lmsw, ltr, monitor (with ecx != 0), mov (to crx or drx), mwait (with invalid ecx), out, rdmsr, rdpmc, swapgs, sysexit, sysret, wbinvd, wrmsr, xgetbv (invalid ecx), xrstor, xsetbv


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