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Groups > linux.kernel > #1439965
| From | Kees Cook <keescook@chromium.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support |
| Date | 2016-07-09 19:10 +0200 |
| Message-ID | <rT3Vo-5Pr-9@gated-at.bofh.it> (permalink) |
| References | (3 earlier) <rSGP9-79Y-61@gated-at.bofh.it> <rSI4x-7VV-7@gated-at.bofh.it> <rSKSJ-1jd-1@gated-at.bofh.it> <rSTMl-7yt-7@gated-at.bofh.it> <rSTMl-7yt-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Fri, Jul 8, 2016 at 11:17 PM, <Valdis.Kletnieks@vt.edu> wrote: > Yeah, 'ping' dies with a similar traceback going to rawv6_setsockopt(), > and 'trinity' dies a horrid death during initialization because it creates > some sctp sockets to fool around with. The problem in all these cases is that > setsockopt uses copy_from_user() to pull in the option value, and the allocation > isn't tagged with USERCOPY to whitelist it. Just a note to clear up confusion: this series doesn't include the whitelist protection, so this appears to be either bugs in the slub checker or bugs in the code using the cfq_io_cq cache. I suspect the former. :) -Kees -- Kees Cook Chrome OS & Brillo Security
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Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Christoph Lameter <cl@linux.com> - 2016-07-08 15:50 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-08 18:10 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Christoph Lameter <cl@linux.com> - 2016-07-08 18:30 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-08 19:50 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-08 22:50 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Valdis.Kletnieks@vt.edu - 2016-07-09 08:20 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Kees Cook <keescook@chromium.org> - 2016-07-09 19:10 +0200
Re: [kernel-hardening] Re: [PATCH 9/9] mm: SLUB hardened usercopy support Joonsoo Kim <iamjoonsoo.kim@lge.com> - 2016-07-11 08:10 +0200
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