On Sat, Aug 15, 2020 at 4:48 AM Ingo Molnar <[email protected]> wrote: > > > * Eric Dumazet <[email protected]> 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.

