From: Anton Protopopov <a.s.protopopov@gmail.com>
To: Eduard Zingerman <eddyz87@gmail.com>
Cc: bpf@vger.kernel.org, Alexei Starovoitov <ast@kernel.org>,
Andrii Nakryiko <andrii@kernel.org>,
Anton Protopopov <aspsk@isovalent.com>,
Daniel Borkmann <daniel@iogearbox.net>,
Quentin Monnet <qmo@kernel.org>,
Yonghong Song <yonghong.song@linux.dev>
Subject: Re: [PATCH v3 bpf-next 00/13] BPF indirect jumps
Date: Fri, 19 Sep 2025 14:57:54 +0000 [thread overview]
Message-ID: <aM1vcrxBSbyQrdq1@mail.gmail.com> (raw)
In-Reply-To: <938446871de1d0b91ca7eb56dd75442b1d58b4b4.camel@gmail.com>
25/09/18 11:46PM, Eduard Zingerman wrote:
> On Thu, 2025-09-18 at 09:38 +0000, Anton Protopopov wrote:
> > This patchset implements a new type of map, instruction set, and uses
> > it to build support for indirect branches in BPF (on x86). (The same
> > map will be later used to provide support for indirect calls and static
> > keys.) See [1], [2] for more context.
>
> With this patch-set on top of the bpf-next at commit [1],
> I get a KASAN bug report [2] when running `./test_progs -t tailcalls`.
> Does not happen w/o this series applied.
> Kernel is compiled with gcc 15.2.1, selftests are compiled with clang
> 20.1.8 (w/o gotox support).
>
> [1] 3547a61ee2fe ("Merge branch 'update-kf_rcu_protected'")
> [2] https://gist.github.com/eddyz87/8f82545db32223d8a80d2ca69a47bbc2
>
> [...]
Can't reproduce on my setup yet (but with the other set of compilers,
will try to reproduce with ~ your versions).
next prev parent reply other threads:[~2025-09-19 14:51 UTC|newest]
Thread overview: 46+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-18 9:38 [PATCH v3 bpf-next 00/13] BPF indirect jumps Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 01/13] bpf: fix the return value of push_stack Anton Protopopov
2025-09-19 0:17 ` Eduard Zingerman
2025-09-19 7:18 ` Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 02/13] bpf: save the start of functions in bpf_prog_aux Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 03/13] bpf, x86: add new map type: instructions array Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 04/13] selftests/bpf: add selftests for new insn_array map Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 05/13] bpf: support instructions arrays with constants blinding Anton Protopopov
2025-09-19 6:35 ` Eduard Zingerman
2025-09-19 7:05 ` Anton Protopopov
2025-09-19 7:12 ` Eduard Zingerman
2025-09-19 18:26 ` Alexei Starovoitov
2025-09-19 19:28 ` Daniel Borkmann
2025-09-19 19:44 ` Eduard Zingerman
2025-09-19 20:27 ` Anton Protopopov
2025-09-19 20:47 ` Eduard Zingerman
2025-09-22 9:28 ` Anton Protopopov
2025-09-30 9:07 ` Anton Protopopov
2025-09-19 21:41 ` Daniel Borkmann
2025-09-18 9:38 ` [PATCH v3 bpf-next 06/13] selftests/bpf: test instructions arrays with blinding Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 07/13] bpf, x86: allow indirect jumps to r8...r15 Anton Protopopov
2025-09-19 18:25 ` Eduard Zingerman
2025-09-19 18:38 ` Eduard Zingerman
2025-09-19 19:25 ` Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 08/13] bpf, x86: add support for indirect jumps Anton Protopopov
2025-09-20 0:28 ` Eduard Zingerman
2025-09-21 19:12 ` Eduard Zingerman
2025-09-25 18:07 ` Anton Protopopov
2025-09-29 14:10 ` Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 09/13] bpf: disasm: add support for BPF_JMP|BPF_JA|BPF_X Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 10/13] libbpf: fix formatting of bpf_object__append_subprog_code Anton Protopopov
2025-09-19 23:18 ` Andrii Nakryiko
2025-09-18 9:38 ` [PATCH v3 bpf-next 11/13] libbpf: support llvm-generated indirect jumps Anton Protopopov
2025-09-19 23:18 ` Andrii Nakryiko
2025-09-22 10:13 ` Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 12/13] bpftool: Recognize insn_array map type Anton Protopopov
2025-09-18 9:38 ` [PATCH v3 bpf-next 13/13] selftests/bpf: add selftests for indirect jumps Anton Protopopov
2025-09-20 0:58 ` Eduard Zingerman
2025-09-20 22:27 ` Eduard Zingerman
2025-09-20 22:32 ` Eduard Zingerman
2025-09-25 18:14 ` Anton Protopopov
2025-09-19 6:46 ` [PATCH v3 bpf-next 00/13] BPF " Eduard Zingerman
2025-09-19 14:57 ` Anton Protopopov [this message]
2025-09-19 16:49 ` Eduard Zingerman
2025-09-19 17:27 ` Eduard Zingerman
2025-09-19 18:03 ` Eduard Zingerman
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