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From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: jniethe5@gmail.com, christophe.leroy@csgroup.eu,
	Hari Bathini <hbathini@linux.ibm.com>,
	naveen.n.rao@linux.ibm.com, daniel@iogearbox.net, ast@kernel.org,
	mpe@ellerman.id.au
Cc: john.fastabend@gmail.com, kpsingh@kernel.org, yhs@fb.com,
	bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	andrii@kernel.org, paulus@samba.org, kafai@fb.com,
	stable@vger.kernel.org, netdev@vger.kernel.org,
	songliubraving@fb.com
Subject: Re: [PATCH] powerpc/bpf: fix write protecting JIT code
Date: Tue, 02 Nov 2021 21:12:02 +1100	[thread overview]
Message-ID: <163584792256.1845480.13895202988410061927.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20211025055649.114728-1-hbathini@linux.ibm.com>

On Mon, 25 Oct 2021 11:26:49 +0530, Hari Bathini wrote:
> Running program with bpf-to-bpf function calls results in data access
> exception (0x300) with the below call trace:
> 
>     [c000000000113f28] bpf_int_jit_compile+0x238/0x750 (unreliable)
>     [c00000000037d2f8] bpf_check+0x2008/0x2710
>     [c000000000360050] bpf_prog_load+0xb00/0x13a0
>     [c000000000361d94] __sys_bpf+0x6f4/0x27c0
>     [c000000000363f0c] sys_bpf+0x2c/0x40
>     [c000000000032434] system_call_exception+0x164/0x330
>     [c00000000000c1e8] system_call_vectored_common+0xe8/0x278
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/bpf: fix write protecting JIT code
      https://git.kernel.org/powerpc/c/44a8214de96bafb5210e43bfa2c97c19bf75af3d

cheers

WARNING: multiple messages have this Message-ID (diff)
From: Michael Ellerman <patch-notifications@ellerman.id.au>
To: jniethe5@gmail.com, christophe.leroy@csgroup.eu,
	Hari Bathini <hbathini@linux.ibm.com>,
	naveen.n.rao@linux.ibm.com, daniel@iogearbox.net, ast@kernel.org,
	mpe@ellerman.id.au
Cc: songliubraving@fb.com, netdev@vger.kernel.org,
	john.fastabend@gmail.com, kpsingh@kernel.org,
	stable@vger.kernel.org, andrii@kernel.org, paulus@samba.org,
	yhs@fb.com, bpf@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
	kafai@fb.com
Subject: Re: [PATCH] powerpc/bpf: fix write protecting JIT code
Date: Tue, 02 Nov 2021 21:12:02 +1100	[thread overview]
Message-ID: <163584792256.1845480.13895202988410061927.b4-ty@ellerman.id.au> (raw)
In-Reply-To: <20211025055649.114728-1-hbathini@linux.ibm.com>

On Mon, 25 Oct 2021 11:26:49 +0530, Hari Bathini wrote:
> Running program with bpf-to-bpf function calls results in data access
> exception (0x300) with the below call trace:
> 
>     [c000000000113f28] bpf_int_jit_compile+0x238/0x750 (unreliable)
>     [c00000000037d2f8] bpf_check+0x2008/0x2710
>     [c000000000360050] bpf_prog_load+0xb00/0x13a0
>     [c000000000361d94] __sys_bpf+0x6f4/0x27c0
>     [c000000000363f0c] sys_bpf+0x2c/0x40
>     [c000000000032434] system_call_exception+0x164/0x330
>     [c00000000000c1e8] system_call_vectored_common+0xe8/0x278
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/bpf: fix write protecting JIT code
      https://git.kernel.org/powerpc/c/44a8214de96bafb5210e43bfa2c97c19bf75af3d

cheers

  parent reply	other threads:[~2021-11-02 11:39 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-25  5:56 [PATCH] powerpc/bpf: fix write protecting JIT code Hari Bathini
2021-10-25  5:56 ` Hari Bathini
2021-10-25  6:15 ` Naveen N. Rao
2021-10-25  6:15   ` Naveen N. Rao
2021-10-25 22:54   ` Daniel Borkmann
2021-10-25 22:54     ` Daniel Borkmann
2021-10-29  1:50     ` Michael Ellerman
2021-10-29  1:50       ` Michael Ellerman
2021-11-02 11:59       ` Naveen N. Rao
2021-11-02 11:59         ` Naveen N. Rao
2021-11-02 13:48         ` Michael Ellerman
2021-11-02 13:48           ` Michael Ellerman
2021-11-02 17:34           ` Andrii Nakryiko
2021-11-02 17:34             ` Andrii Nakryiko
2021-11-02 10:12 ` Michael Ellerman [this message]
2021-11-02 10:12   ` Michael Ellerman

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