lkml.org 
[lkml]   [2023]   [Dec]   [21]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2] libbpf: Fix NULL pointer dereference in bpf_object__collect_prog_relos
From
Date
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!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html



\
 
 \ /
  Last update: 2023-12-21 06:04    [W:0.030 / U:0.332 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site