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Re: kern/53800 (ptrace crashes)
Synopsis: ptrace crashes
State-Changed-When: Wed, 19 Dec 2018 08:03:01 +0100
Not a bug, works as intended.
PT_DETACH specifies in the 3rd argument 0x0 and this indicates to resume since position 0x0.
In order to resume program without changing instruction pointer, there is need to specify (void *)1,
e.g. ptrace(PT_DETACH, ppid, (void *)1, 0);.
The child should also use _exit(0) at the end of its execution block.
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