Messages in this thread | | | Subject | Re: [PATCH v26 24/30] x86/cet/shstk: Introduce shadow stack token setup/verify routines | From | "Yu, Yu-cheng" <> | Date | Tue, 18 May 2021 12:45:13 -0700 |
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On 5/18/2021 10:58 AM, Borislav Petkov wrote: > On Tue, May 18, 2021 at 02:14:14AM +0200, Eugene Syromiatnikov wrote: >> Speaking of which, I wonder what would happen if a 64-bit process makes >> a 32-bit system call (using int 0x80, for example), and gets a signal. > > I guess that's the next patch. And I see amluto has some concerns... > > /me goes read. >
In the next revision, there will be no "signal context extension" struct. However, the flow for 64, ia32 and x32 will be similar. I will send that out after some testing.
Thanks, Yu-cheng
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