Fix amfi_ret jump offset computing #6
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paleinfo is palera1n's version kerninfo, with support for additional things such as rootful with fakefs.
unlike checkra1n, this patch is always required on palera1n
Co-authored-by: =?UTF-8?q?=E3=81=AD=E3=82=80=E3=81=84?= <[email protected]>
this is needed to fix the IDSBlastDoorService crash loop since 16.2
but we are not have rootful for ios 17, so there is no point in updating this patch.
and run it always
DolphiniOS do not like it if it is not set
This patch disables Protobox, which was introduced in iOS 16 and adds syscall masks (whitelists) to certain system daemons. It also includes a mechanism that makes certain processes crash on sandbox violations, amongst other things. Co-authored-by: opa334 <[email protected]>
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Running PongoOS on an other iOS device through emulation I ran into some issues regarding
amfi_retunconditional jump.While I'm not completely sure of my reasoning I think the computation of the delta between
amfi_retand the sandboxb amfi_execve_hookaddress is wrong.The offset between both addresses should be shifted to remove the last 2 unused bits as described by "Arm A64 Instruction Set Architecture"
Also considering the shellcode area address could precede amfi_ret the delta could be negative and thus should be signed.
Others patches using the shellcode do takes this into consideration (example: kpf_dyld_emit)
Note: I only tested this through emulation, but I could check it on an iPhone X