From: Alexei Starovoitov <alexei.starovoitov@gmail.com>
To: Ilya Leoshkevich <iii@linux.ibm.com>
Cc: "David S. Miller" <davem@davemloft.net>,
Daniel Borkmann <daniel@iogearbox.net>, bpf <bpf@vger.kernel.org>,
Kernel Team <kernel-team@fb.com>
Subject: Re: [PATCH v4 bpf-next 1/9] bpf: Optimize program stats
Date: Thu, 11 Feb 2021 19:43:01 -0800 [thread overview]
Message-ID: <CAADnVQKkc4dYCCNV=X4FNfRteoMXGHno4cMExab54cNGgVJ6AQ@mail.gmail.com> (raw)
In-Reply-To: <1e54f82603c361e7ee1464621a9937c1efb3b254.camel@linux.ibm.com>
On Thu, Feb 11, 2021 at 7:26 PM Ilya Leoshkevich <iii@linux.ibm.com> wrote:
> mm/percpu.c:2089
> #5 0x00000000002ef738 in __bpf_prog_free (fp=0x380001ce000) at
> kernel/bpf/core.c:262
> #6 bpf_prog_realloc (fp_old=fp_old@entry=0x380001ce000, size=249856,
>
> So we end up with objcg=NULL, but I'm not sure why this happens.
> Please let me know if you need more info.
Argh. Thanks for reporting!
Pushed the obvious fix:
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=1336c662474edec3966c96c8de026f794d16b804
Pls pull bpf-next and give it a spin.
next prev parent reply other threads:[~2021-02-12 3:44 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-02-10 3:36 [PATCH v4 bpf-next 0/9] bpf: Misc improvements Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 1/9] bpf: Optimize program stats Alexei Starovoitov
2021-02-12 3:26 ` Ilya Leoshkevich
2021-02-12 3:43 ` Alexei Starovoitov [this message]
2021-02-12 3:51 ` Ilya Leoshkevich
2021-02-10 3:36 ` [PATCH v4 bpf-next 2/9] bpf: Run sleepable programs with migration disabled Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 3/9] bpf: Compute program stats for sleepable programs Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 4/9] bpf: Add per-program recursion prevention mechanism Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 5/9] selftest/bpf: Add a recursion test Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 6/9] bpf: Count the number of times recursion was prevented Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 7/9] selftests/bpf: Improve recursion selftest Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 8/9] bpf: Allows per-cpu maps and map-in-map in sleepable programs Alexei Starovoitov
2021-02-10 3:36 ` [PATCH v4 bpf-next 9/9] selftests/bpf: Add a test for map-in-map and per-cpu maps in sleepable progs Alexei Starovoitov
2021-02-11 15:30 ` [PATCH v4 bpf-next 0/9] bpf: Misc improvements patchwork-bot+netdevbpf
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