From: Jiri Olsa <olsajiri@gmail.com>
To: bot+bpf-ci@kernel.org
Cc: ast@kernel.org, daniel@iogearbox.net, andrii@kernel.org,
bpf@vger.kernel.org, linux-trace-kernel@vger.kernel.org,
kafai@fb.com, eddyz87@gmail.com, songliubraving@fb.com,
yhs@fb.com, menglong8.dong@gmail.com, rostedt@kernel.org,
martin.lau@kernel.org, yonghong.song@linux.dev, clm@meta.com,
ihor.solodrai@linux.dev
Subject: Re: [PATCHv5 bpf-next 06/28] bpf: Move trampoline image setup into bpf_trampoline_ops callbacks
Date: Tue, 21 Apr 2026 10:55:19 +0200 [thread overview]
Message-ID: <aec7d0Z70WKqC1b4@krava> (raw)
In-Reply-To: <8a315de2e20505875006c4e32af33c0838000a79484f7a2e44b1081187a01379@mail.kernel.org>
On Fri, Apr 17, 2026 at 08:10:25PM +0000, bot+bpf-ci@kernel.org wrote:
> > There's slight functional change for the unregister path, where we
> > currently free the image unconditionally even if the detach fails.
> > The new code keeps the image in place, possibly preventing the crash.
>
> This appears to be fixing a bug where the image was freed even when detach
> failed. The bug was introduced in commit e21aa341785c ("bpf: Fix fexit
> trampoline.") which unconditionally freed the trampoline image.
>
> Should this commit include a Fixes tag? The suggested tag would be:
>
> Fixes: e21aa341785c ("bpf: Fix fexit trampoline.")
right, I think I'll send separate fix for current code,
to have this fixed earlier
jirka
>
>
> ---
> AI reviewed your patch. Please fix the bug or email reply why it's not a bug.
> See: https://github.com/kernel-patches/vmtest/blob/master/ci/claude/README.md
>
> CI run summary: https://github.com/kernel-patches/bpf/actions/runs/24583317711
next prev parent reply other threads:[~2026-04-21 8:55 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-17 19:24 [PATCHv5 bpf-next 00/28] bpf: tracing_multi link Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 01/28] ftrace: Add ftrace_hash_count function Jiri Olsa
2026-04-18 6:10 ` bot+bpf-ci
2026-04-17 19:24 ` [PATCHv5 bpf-next 02/28] ftrace: Add ftrace_hash_remove function Jiri Olsa
2026-04-18 6:10 ` bot+bpf-ci
2026-04-21 8:54 ` Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 03/28] ftrace: Add add_ftrace_hash_entry function Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 04/28] bpf: Use mutex lock pool for bpf trampolines Jiri Olsa
2026-04-17 20:10 ` bot+bpf-ci
2026-04-21 8:54 ` Jiri Olsa
2026-04-18 6:49 ` bot+bpf-ci
2026-04-17 19:24 ` [PATCHv5 bpf-next 05/28] bpf: Add struct bpf_trampoline_ops object Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 06/28] bpf: Move trampoline image setup into bpf_trampoline_ops callbacks Jiri Olsa
2026-04-17 20:10 ` bot+bpf-ci
2026-04-21 8:55 ` Jiri Olsa [this message]
2026-04-18 6:10 ` bot+bpf-ci
2026-04-17 19:24 ` [PATCHv5 bpf-next 07/28] bpf: Add bpf_trampoline_add/remove_prog functions Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 08/28] bpf: Add struct bpf_tramp_node object Jiri Olsa
2026-04-17 20:22 ` bot+bpf-ci
2026-04-18 6:10 ` bot+bpf-ci
2026-04-21 8:55 ` Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 09/28] bpf: Factor fsession link to use struct bpf_tramp_node Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 10/28] bpf: Add multi tracing attach types Jiri Olsa
2026-04-17 20:22 ` bot+bpf-ci
2026-04-21 8:55 ` Jiri Olsa
2026-04-18 6:49 ` bot+bpf-ci
2026-04-21 8:56 ` Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 11/28] bpf: Move sleepable verification code to btf_id_allow_sleepable Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 12/28] bpf: Add bpf_trampoline_multi_attach/detach functions Jiri Olsa
2026-04-17 20:22 ` bot+bpf-ci
2026-04-21 8:56 ` Jiri Olsa
2026-04-18 6:10 ` bot+bpf-ci
2026-04-21 8:56 ` Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 13/28] bpf: Add support for tracing multi link Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 14/28] bpf: Add support for tracing_multi link cookies Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 15/28] bpf: Add support for tracing_multi link session Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 16/28] bpf: Add support for tracing_multi link fdinfo Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 17/28] libbpf: Add bpf_object_cleanup_btf function Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 18/28] libbpf: Add bpf_link_create support for tracing_multi link Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 19/28] libbpf: Add btf_type_is_traceable_func function Jiri Olsa
2026-04-18 5:59 ` bot+bpf-ci
2026-04-17 19:24 ` [PATCHv5 bpf-next 20/28] libbpf: Add support to create tracing multi link Jiri Olsa
2026-04-18 6:10 ` bot+bpf-ci
2026-04-21 8:57 ` Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 21/28] selftests/bpf: Add tracing multi skel/pattern/ids attach tests Jiri Olsa
2026-04-17 20:10 ` bot+bpf-ci
2026-04-21 8:54 ` Jiri Olsa
2026-04-18 6:10 ` bot+bpf-ci
2026-04-17 19:24 ` [PATCHv5 bpf-next 22/28] selftests/bpf: Add tracing multi skel/pattern/ids module " Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 23/28] selftests/bpf: Add tracing multi intersect tests Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 24/28] selftests/bpf: Add tracing multi cookies test Jiri Olsa
2026-04-17 19:24 ` [PATCHv5 bpf-next 25/28] selftests/bpf: Add tracing multi session test Jiri Olsa
2026-04-17 19:25 ` [PATCHv5 bpf-next 26/28] selftests/bpf: Add tracing multi attach fails test Jiri Olsa
2026-04-17 19:25 ` [PATCHv5 bpf-next 27/28] selftests/bpf: Add tracing multi attach benchmark test Jiri Olsa
2026-04-17 19:25 ` [PATCHv5 bpf-next 28/28] selftests/bpf: Add tracing multi attach rollback tests Jiri Olsa
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=aec7d0Z70WKqC1b4@krava \
--to=olsajiri@gmail.com \
--cc=andrii@kernel.org \
--cc=ast@kernel.org \
--cc=bot+bpf-ci@kernel.org \
--cc=bpf@vger.kernel.org \
--cc=clm@meta.com \
--cc=daniel@iogearbox.net \
--cc=eddyz87@gmail.com \
--cc=ihor.solodrai@linux.dev \
--cc=kafai@fb.com \
--cc=linux-trace-kernel@vger.kernel.org \
--cc=martin.lau@kernel.org \
--cc=menglong8.dong@gmail.com \
--cc=rostedt@kernel.org \
--cc=songliubraving@fb.com \
--cc=yhs@fb.com \
--cc=yonghong.song@linux.dev \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox