Messages in this thread | | | From | Eric Dumazet <> | Date | Sat, 15 Aug 2020 10:38:58 -0700 | Subject | Re: [PATCH] x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task |
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On Sat, Aug 15, 2020 at 4:48 AM Ingo Molnar <mingo@kernel.org> wrote: > > > * Eric Dumazet <edumazet@google.com> wrote: > > > syzbot found its way in 86_fsgsbase_read_task() [1] > > > > Fix is to make sure ldt pointer is not NULL. > > Thanks for this fix. Linus has picked it up (inclusive the typos to > the x86_fsgsbase_read_task() function name ;-), it's now upstream > under: > > 8ab49526b53d: ("x86/fsgsbase/64: Fix NULL deref in 86_fsgsbase_read_task") > > By the fixes tag it looks like this should probably be backported all > the way back to ~v4.20 or so?
This is absolutely right, sorry about the lack of a stable tag.
Most of my patches usually land into David Miller trees, where the stable tag is not welcomed. We use Fixes: tags to convey the exact information needed for stable backports.
Thanks.
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