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From: Greg KH <greg@kroah.com>
To: Ovidiu Panait <ovidiu.panait@windriver.com>
Cc: stable@vger.kernel.org, bpf@vger.kernel.org
Subject: Re: [PATCH 4.19 0/4] bpf: backport fixes for CVE-2021-33624
Date: Fri, 13 Aug 2021 10:38:55 +0200	[thread overview]
Message-ID: <YRYvn51P2Or6deXs@kroah.com> (raw)
In-Reply-To: <20210812170037.2370387-1-ovidiu.panait@windriver.com>

On Thu, Aug 12, 2021 at 08:00:33PM +0300, Ovidiu Panait wrote:
> NOTE: the fixes were manually adjusted to apply to 4.19, so copying bpf@ to see
> if there are any concerns.
> 
> With this patchseries all bpf verifier selftests pass:
> root@intel-x86-64:~# ./test_verifier
> ...
> #657/u pass modified ctx pointer to helper, 2 OK
> #657/p pass modified ctx pointer to helper, 2 OK
> #658/p pass modified ctx pointer to helper, 3 OK
> #659/p mov64 src == dst OK
> #660/p mov64 src != dst OK
> #661/u calls: ctx read at start of subprog OK
> #661/p calls: ctx read at start of subprog OK
> Summary: 925 PASSED, 0 SKIPPED, 0 FAILED
> 
> Daniel Borkmann (4):
>   bpf: Inherit expanded/patched seen count from old aux data
>   bpf: Do not mark insn as seen under speculative path verification
>   bpf: Fix leakage under speculation on mispredicted branches
>   bpf, selftests: Adjust few selftest outcomes wrt unreachable code

All now queued up, thanks!

greg k-h

      parent reply	other threads:[~2021-08-13  8:39 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-12 17:00 [PATCH 4.19 0/4] bpf: backport fixes for CVE-2021-33624 Ovidiu Panait
2021-08-12 17:00 ` [PATCH 4.19 1/4] bpf: Inherit expanded/patched seen count from old aux data Ovidiu Panait
2021-08-12 17:00 ` [PATCH 4.19 2/4] bpf: Do not mark insn as seen under speculative path verification Ovidiu Panait
2021-08-12 17:00 ` [PATCH 4.19 3/4] bpf: Fix leakage under speculation on mispredicted branches Ovidiu Panait
2021-08-12 17:00 ` [PATCH 4.19 4/4] bpf, selftests: Adjust few selftest outcomes wrt unreachable code Ovidiu Panait
2021-08-13  8:38 ` Greg KH [this message]

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