On Tue, Feb 23, 2021 at 12:11:30PM +0100, Borislav Petkov wrote:
> From: Borislav Petkov
>
> vc_decode_insn() calls copy_from_kernel_nofault() by way of
> vc_fetch_insn_kernel() to fetch 15 bytes max of opcodes to decode.
>
> copy_from_kernel_nofault() returns negative on error and 0 on
From: Borislav Petkov
vc_decode_insn() calls copy_from_kernel_nofault() by way of
vc_fetch_insn_kernel() to fetch 15 bytes max of opcodes to decode.
copy_from_kernel_nofault() returns negative on error and 0 on success.
The error case is handled by returning ES_EXCEPTION.
In the success case,
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