Messages in this thread | | | Subject | Re: [PATCH v2] libbpf: Fix NULL pointer dereference in bpf_object__collect_prog_relos | From | patchwork-bot+netdevbpf@kernel ... | Date | Thu, 21 Dec 2023 05:00:24 +0000 |
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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
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