From: Kees Cook <kees@kernel.org>
To: Bill Wendling <morbo@google.com>, Kees Cook <kees@kernel.org>
Cc: "Jonathan Corbet" <corbet@lwn.net>,
"Andrew Morton" <akpm@linux-foundation.org>,
"David Gow" <david@davidgow.net>,
"Petr Mladek" <pmladek@suse.com>,
"Sergey Senozhatsky" <senozhatsky@chromium.org>,
"Shuvam Pandey" <shuvampandey1@gmail.com>,
"Steven Rostedt" <rostedt@goodmis.org>,
"Günther Noack" <gnoack@google.com>,
"Matthew Wilcox (Oracle)" <willy@infradead.org>,
"Mickaël Salaün" <mic@digikod.net>,
"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
"Masami Hiramatsu" <mhiramat@kernel.org>,
"Mathieu Desnoyers" <mathieu.desnoyers@efficios.com>,
"Ian Bridges" <icb@fastmail.org>,
"Justin Tee" <justin.tee@broadcom.com>,
"Paul Ely" <paul.ely@broadcom.com>,
"James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
"Martin K. Petersen" <mkp@kernel.org>,
"Jiri Kosina" <jikos@kernel.org>,
"Alexei Starovoitov" <ast@kernel.org>,
"Daniel Borkmann" <daniel@iogearbox.net>,
"Andrii Nakryiko" <andrii@kernel.org>,
"Eduard Zingerman" <eddyz87@gmail.com>,
"Kumar Kartikeya Dwivedi" <memxor@gmail.com>,
"Martin KaFai Lau" <martin.lau@linux.dev>,
"Song Liu" <song@kernel.org>,
"Yonghong Song" <yonghong.song@linux.dev>,
"Jiri Olsa" <jolsa@kernel.org>,
"Emil Tsalapatis" <emil@etsalapatis.com>,
"Ihor Solodrai" <ihor.solodrai@linux.dev>,
"Christophe Leroy (CS GROUP)" <chleroy@kernel.org>,
"Uwe Kleine-König" <u.kleine-koenig@baylibre.com>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Shivaprasad G Bhat" <sbhat@linux.ibm.com>,
"Thorsten Blum" <blum@kernel.org>,
"Alison Schofield" <alison.schofield@intel.com>,
"Dave Jiang" <dave.jiang@intel.com>,
"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
"Guangshuo Li" <lgs201920130244@gmail.com>,
"Ira Weiny" <iweiny@kernel.org>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Vishal Verma" <vishal.l.verma@intel.com>,
"Randy Dunlap" <rdunlap@infradead.org>,
"Shuah Khan" <skhan@linuxfoundation.org>,
linux-kernel@vger.kernel.org, linux-hardening@vger.kernel.org
Subject: Re: [PATCH v5 00/12] seq_buf: Add seq_buf_strlen()
Date: Sun, 11 Oct 2026 22:00:45 -0700 [thread overview]
Message-ID: <179178124413.1284057.2168341749556875841.b4-ty@kernel.org> (raw)
In-Reply-To: <20261005155653.late.426-kees@kernel.org>
On Mon, 05 Oct 2026 08:56:50 -0700, Kees Cook wrote:
> While working on seq_buf conversions[1], we found there was a need for
> seq_buf_strlen() (since calling strlen(seq_buf_str()) would be a waste
> of time: seq_buf already knows the length), seq_buf_init_append() (to
> start a seq_buf from an existing string buffer), and seq_buf_terminate()
> (as there are many callers using seq_buf_str() just for its termination
> side-effect). And while implementing that, we found a bunch of other
> related things that needed fixing. This is that ever-growing series,
> with tests for each fix.
>
> [...]
Applied to for-next/hardening.
[01/12] seq_buf: Do not print an empty line from an overflowed seq_buf_do_printk()
https://git.kernel.org/kees/c/a09fb764832d
[02/12] seq_buf: Do not pop from an overflowed seq_buf
https://git.kernel.org/kees/c/b7e688b5635a
[03/12] scsi: lpfc: Print rx monitor records straight into the seq_buf
https://git.kernel.org/kees/c/cc9d25b45119
[04/12] seq_buf: Copy what fits when seq_buf_puts() and seq_buf_putmem() overflow
https://git.kernel.org/kees/c/505a4aeea2c9
[05/12] seq_buf: Clear what a writer did not claim when a seq_buf overflows
https://git.kernel.org/kees/c/ea5666e56723
[06/12] seq_buf: Add seq_buf_strlen()
https://git.kernel.org/kees/c/8d1478bfd63b
[07/12] seq_buf: Add seq_buf_terminate()
https://git.kernel.org/kees/c/88c652df02cc
[08/12] bpf: Remove dead newline stripping from format_disasm_line()
https://git.kernel.org/kees/c/c8cd1725d259
[09/12] seq_buf: Add seq_buf_init_append()
https://git.kernel.org/kees/c/61ef3f1490f8
[10/12] powerpc/papr_scm: Return the string length from the sysfs show functions
https://git.kernel.org/kees/c/63ae65caa98a
[11/12] nvdimm: ndtest: Return the string length from flags_show()
https://git.kernel.org/kees/c/9ac219976ecf
[12/12] docs: core-api: Document the seq_buf API
https://git.kernel.org/kees/c/e3f8dfafd7d6
Take care,
--
Kees Cook
prev parent reply other threads:[~2026-10-12 5:01 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-05 15:56 Kees Cook
2026-10-05 15:56 ` [PATCH v5 01/12] seq_buf: Do not print an empty line from an overflowed seq_buf_do_printk() Kees Cook
2026-10-16 18:28 ` Steven Rostedt
2026-10-05 15:56 ` [PATCH v5 02/12] seq_buf: Do not pop from an overflowed seq_buf Kees Cook
2026-10-16 18:28 ` Steven Rostedt
2026-10-05 15:56 ` [PATCH v5 03/12] scsi: lpfc: Print rx monitor records straight into the seq_buf Kees Cook
2026-10-05 18:54 ` David Laight
2026-10-06 13:26 ` Kees Cook
2026-10-05 15:56 ` [PATCH v5 04/12] seq_buf: Copy what fits when seq_buf_puts() and seq_buf_putmem() overflow Kees Cook
2026-10-16 18:29 ` Steven Rostedt
2026-10-05 15:56 ` [PATCH v5 05/12] seq_buf: Clear what a writer did not claim when a seq_buf overflows Kees Cook
2026-10-05 18:59 ` David Laight
2026-10-06 21:26 ` Kees Cook
2026-10-16 18:43 ` Steven Rostedt
2026-10-16 18:35 ` Steven Rostedt
2026-10-05 15:56 ` [PATCH v5 06/12] seq_buf: Add seq_buf_strlen() Kees Cook
2026-10-16 18:59 ` Steven Rostedt
2026-10-22 18:06 ` Kees Cook
2026-10-22 19:41 ` Alejandro Colomar
2026-10-22 19:57 ` Steven Rostedt
2026-10-22 20:05 ` Steven Rostedt
2026-10-22 20:11 ` Alejandro Colomar
2026-10-22 20:20 ` Steven Rostedt
2026-10-22 20:38 ` Alejandro Colomar
2026-10-22 20:44 ` Alejandro Colomar
2026-10-22 20:53 ` Steven Rostedt
2026-10-22 21:02 ` Alejandro Colomar
2026-10-05 15:56 ` [PATCH v5 07/12] seq_buf: Add seq_buf_terminate() Kees Cook
2026-10-05 15:56 ` [PATCH v5 08/12] bpf: Remove dead newline stripping from format_disasm_line() Kees Cook
2026-10-05 15:56 ` [PATCH v5 09/12] seq_buf: Add seq_buf_init_append() Kees Cook
2026-10-16 19:09 ` Steven Rostedt
2026-10-05 15:57 ` [PATCH v5 10/12] powerpc/papr_scm: Return the string length from the sysfs show functions Kees Cook
2026-10-05 15:57 ` [PATCH v5 11/12] nvdimm: ndtest: Return the string length from flags_show() Kees Cook
2026-10-05 15:57 ` [PATCH v5 12/12] docs: core-api: Document the seq_buf API Kees Cook
2026-10-16 19:13 ` Steven Rostedt
2026-10-12 5:00 ` Kees Cook [this message]
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