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Groups > linux.kernel > #1312898
| From | "H. Peter Anvin" <hpa@zytor.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist |
| Date | 2016-01-20 07:00 +0100 |
| Message-ID | <qSTYe-28T-5@gated-at.bofh.it> (permalink) |
| References | (4 earlier) <qQrjI-6WP-9@gated-at.bofh.it> <qR5Ka-1Zs-3@gated-at.bofh.it> <qRa78-4Sx-9@gated-at.bofh.it> <qRaqu-5f3-15@gated-at.bofh.it> <qSTOy-25l-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 01/19/16 21:42, Josh Poimboeuf wrote: >>>> >>>> Apparently(?) xen treats the ud2 special when it's followed by "78 65 >>>> 6e". This is confusing for stacktool because ud2 is normally a dead >>>> end, and it thinks the instructions after it will never run. >>>> Cute. UD2 followed by three ASCII characters. I guess that becomes really fun when using UD2 + a string for error reporting. Of course, no software does that... -hpa
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Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Borislav Petkov <bp@alien8.de> - 2016-01-15 11:50 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Ingo Molnar <mingo@kernel.org> - 2016-01-15 12:10 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Borislav Petkov <bp@alien8.de> - 2016-01-15 12:20 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Ingo Molnar <mingo@kernel.org> - 2016-01-15 12:20 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Josh Poimboeuf <jpoimboe@redhat.com> - 2016-01-20 06:50 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist "H. Peter Anvin" <hpa@zytor.com> - 2016-01-20 07:00 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Josh Poimboeuf <jpoimboe@redhat.com> - 2016-01-20 07:20 +0100
Re: [PATCH v15 13/25] x86/reboot: Add ljmp instructions to stacktool whitelist Borislav Petkov <bp@alien8.de> - 2016-01-20 11:50 +0100
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