From: patchwork-bot+netdevbpf@kernel.org
To: Xin Liu <liuxin350@huawei.com>
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
martin.lau@linux.dev, song@kernel.org, yhs@fb.com,
john.fastabend@gmail.com, kpsingh@kernel.org, sdf@google.com,
haoluo@google.com, jolsa@kernel.org, bpf@vger.kernel.org,
linux-kernel@vger.kernel.org, yanan@huawei.com,
wuchangye@huawei.com, xiesongyang@huawei.com,
kongweibin2@huawei.com, tianmuyang@huawei.com,
zhangmingyi5@huawei.com
Subject: Re: [PATCH v2] libbpf: Fix NULL pointer dereference in bpf_object__collect_prog_relos
Date: Thu, 21 Dec 2023 05:00:24 +0000 [thread overview]
Message-ID: <170313482438.22190.7805144869864343062.git-patchwork-notify@kernel.org> (raw)
In-Reply-To: <20231221033947.154564-1-liuxin350@huawei.com>
Hello:
This patch was applied to bpf/bpf-next.git (master)
by Andrii Nakryiko <andrii@kernel.org>:
On Thu, 21 Dec 2023 11:39:47 +0800 you wrote:
> From: Mingyi Zhang <zhangmingyi5@huawei.com>
>
> An issue occurred while reading an ELF file in libbpf.c during fuzzing:
>
> Program received signal SIGSEGV, Segmentation fault.
> 0x0000000000958e97 in bpf_object.collect_prog_relos () at libbpf.c:4206
> 4206 in libbpf.c
> (gdb) bt
> #0 0x0000000000958e97 in bpf_object.collect_prog_relos () at libbpf.c:4206
> #1 0x000000000094f9d6 in bpf_object.collect_relos () at libbpf.c:6706
> #2 0x000000000092bef3 in bpf_object_open () at libbpf.c:7437
> #3 0x000000000092c046 in bpf_object.open_mem () at libbpf.c:7497
> #4 0x0000000000924afa in LLVMFuzzerTestOneInput () at fuzz/bpf-object-fuzzer.c:16
> #5 0x000000000060be11 in testblitz_engine::fuzzer::Fuzzer::run_one ()
> #6 0x000000000087ad92 in tracing::span::Span::in_scope ()
> #7 0x00000000006078aa in testblitz_engine::fuzzer::util::walkdir ()
> #8 0x00000000005f3217 in testblitz_engine::entrypoint::main::{{closure}} ()
> #9 0x00000000005f2601 in main ()
> (gdb)
>
> [...]
Here is the summary with links:
- [v2] libbpf: Fix NULL pointer dereference in bpf_object__collect_prog_relos
https://git.kernel.org/bpf/bpf-next/c/929154ac3b88
You are awesome, thank you!
--
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prev parent reply other threads:[~2023-12-21 5:00 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-21 3:39 [PATCH v2] libbpf: Fix NULL pointer dereference in bpf_object__collect_prog_relos Xin Liu
2023-12-21 5:00 ` patchwork-bot+netdevbpf [this message]
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