netdev - [PATCH bpf 0/2] bpf fix for mixed tail calls and subprograms

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Message-ID: <162318053542.323820.3719766457956848570.stgit@john-XPS-13-9370>
Date:   Tue, 08 Jun 2021 12:29:57 -0700
From:   John Fastabend <john.fastabend@...il.com>
To:     ast@...nel.org, daniel@...earbox.net, andriin@...com
Cc:     john.fastabend@...il.com, netdev@...r.kernel.org,
        bpf@...r.kernel.org, maciej.fijalkowski@...el.com
Subject: [PATCH bpf  0/2] bpf fix for mixed tail calls and subprograms

We recently tried to use mixed programs that have both tail calls and
subprograms, but it needs the attached fix. Also added a small test
addition that will cause the failure without the fix.

Thanks,
John

---

John Fastabend (2):
      bpf: Fix null ptr deref with mixed tail calls and subprogs
      bpf: selftest to verify mixing bpf2bpf calls and tailcalls with insn patch


 .../selftests/bpf/progs/tailcall_bpf2bpf4.c     | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

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