Messages in this thread | | | Date | Thu, 2 Jun 2022 07:37:53 -0700 | Subject | Re: [PATCH v4] bpf: Fix KASAN use-after-free Read in compute_effective_progs | From | Tadeusz Struk <> |
| |
Hi Andrii, On 5/23/22 15:47, Andrii Nakryiko wrote: >> Hi Andrii, >> Do you have any more feedback? Does it look better to you now? > Hi, this is on my TODO list, but I need a bit more focused time to > think all this through and I haven't managed to get it in last week. > I'm worried about the percpu_ref_is_zero(&desc->bpf.refcnt) portion > and whether it can cause some skew in the calculated array index, I > need to look at this a bit more in depth. Sorry for the delay.
Did you get a chance to look at this yet?
-- Thanks, Tadeusz
| |