Re: [Boost-users] Coroutine jump_fcontext crash (Boost 1.61)

Subject: Re: [Boost-users] Coroutine jump_fcontext crash (Boost 1.61)
From: Jason Mancini (jayrusman_at_[hidden])
Date: 2016-06-21 16:05:02

Here's a little more info:

jump_fcontext ()

libs/context/src/asm/jump_x86_64_sysv_elf_gas.S:45

45 popq %r12 /* restrore R12 */

rsp is 0x0, because rdi is 0x0, which was supposed to point to the context data.  Attempting to add printf to the 8 jump_fcontext call sites.