From: Kees Cook <kees@kernel.org>
To: bot+bpf-ci@kernel.org
Cc: morbo@google.com, akpm@linux-foundation.org, david@davidgow.net,
pmladek@suse.com, senozhatsky@chromium.org,
shuvampandey1@gmail.com, rostedt@goodmis.org, corbet@lwn.net,
gnoack@google.com, willy@infradead.org, mic@digikod.net,
andriy.shevchenko@linux.intel.com, mhiramat@kernel.org,
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memxor@gmail.com, martin.lau@linux.dev, song@kernel.org,
yonghong.song@linux.dev, jolsa@kernel.org, emil@etsalapatis.com,
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blum@kernel.org, alison.schofield@intel.com,
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lgs201920130244@gmail.com, iweiny@kernel.org,
u.kleine-koenig@pengutronix.de, vishal.l.verma@intel.com,
rdunlap@infradead.org, skhan@linuxfoundation.org,
linux-kernel@vger.kernel.org, bpf@vger.kernel.org,
linux-security-module@vger.kernel.org,
linux-trace-k@lists.ozlabs.org, ernel@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org, nvdimm@lists.linux.dev,
linux-doc@vger.kernel.org, linux-hardening@vger.kernel.org,
martin.lau@kernel.org, mason@kernel.org
Subject: Re: [PATCH v4 01/11] seq_buf: Do not print an empty line from an overflowed seq_buf_do_printk()
Date: Mon, 5 Oct 2026 03:05:12 -0700 [thread overview]
Message-ID: <20261005100502.86b595-kees@kernel.org> (raw)
In-Reply-To: <aa721817952d2aff37a77588339c61d5090f1589203451243ed88149bf00f1d5@mail.kernel.org>
On Sat, Oct 03, 2026 at 04:50:50AM +0000, bot+bpf-ci@kernel.org wrote:
> TL;DR: The new KUnit test may fail spuriously, and stop detecting the bug,
> when console_loglevel suppresses KERN_INFO (quiet, loglevel=N) or
> CONFIG_PRINTK=n, since the capture console never sees records.
That's a pointless state to handle: KUnit reports its own results at
KERN_INFO, so with a console that hides KERN_INFO, or with printk
compiled out, all of KUnit is unusable, not just this test.
-Kees
--
Kees Cook
next prev parent reply other threads:[~2026-10-05 10:05 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-03 3:59 [PATCH v4 00/11] seq_buf: Add seq_buf_strlen() Kees Cook
2026-10-03 3:59 ` [PATCH v4 01/11] seq_buf: Do not print an empty line from an overflowed seq_buf_do_printk() Kees Cook
2026-10-03 4:07 ` sashiko-bot
2026-10-03 4:50 ` bot+bpf-ci
2026-10-03 4:50 ` bot+bpf-ci
2026-10-05 10:05 ` Kees Cook [this message]
2026-10-03 3:59 ` [PATCH v4 02/11] seq_buf: Do not pop from an overflowed seq_buf Kees Cook
2026-10-03 4:05 ` sashiko-bot
2026-10-03 3:59 ` [PATCH v4 03/11] seq_buf: Copy what fits when seq_buf_puts() and seq_buf_putmem() overflow Kees Cook
2026-10-03 4:07 ` sashiko-bot
2026-10-03 4:50 ` bot+bpf-ci
2026-10-03 4:50 ` bot+bpf-ci
2026-10-05 10:06 ` Kees Cook
2026-10-03 3:59 ` [PATCH v4 04/11] seq_buf: Clear what a writer did not claim when a seq_buf overflows Kees Cook
2026-10-03 4:07 ` sashiko-bot
2026-10-03 4:50 ` bot+bpf-ci
2026-10-03 4:50 ` bot+bpf-ci
2026-10-03 3:59 ` [PATCH v4 05/11] seq_buf: Add seq_buf_strlen() Kees Cook
2026-10-03 4:04 ` sashiko-bot
2026-10-03 15:36 ` Andy Shevchenko
2026-10-04 7:26 ` Kees Cook
2026-10-04 8:34 ` Andy Shevchenko
2026-10-05 11:22 ` Kees Cook
2026-10-05 11:34 ` Alejandro Colomar
2026-10-05 15:58 ` Kees Cook
2026-10-05 16:43 ` Alejandro Colomar
2026-10-03 3:59 ` [PATCH v4 06/11] seq_buf: Add seq_buf_terminate() Kees Cook
2026-10-03 4:05 ` sashiko-bot
2026-10-03 3:59 ` [PATCH v4 07/11] bpf: Remove dead newline stripping from format_disasm_line() Kees Cook
2026-10-03 4:05 ` sashiko-bot
2026-10-03 3:59 ` [PATCH v4 08/11] seq_buf: Add seq_buf_init_append() Kees Cook
2026-10-03 4:05 ` sashiko-bot
2026-10-03 4:33 ` bot+bpf-ci
2026-10-03 4:33 ` bot+bpf-ci
2026-10-03 10:31 ` Kees Cook
2026-10-03 3:59 ` [PATCH v4 09/11] powerpc/papr_scm: Return the string length from the sysfs show functions Kees Cook
2026-10-03 4:06 ` sashiko-bot
2026-10-03 3:59 ` [PATCH v4 10/11] nvdimm: ndtest: Return the string length from flags_show() Kees Cook
2026-10-03 4:08 ` sashiko-bot
2026-10-03 3:59 ` [PATCH v4 11/11] docs: core-api: Document the seq_buf API Kees Cook
2026-10-03 4:03 ` sashiko-bot
2026-10-03 6:32 ` [PATCH v4 00/11] seq_buf: Add seq_buf_strlen() Alexei Starovoitov
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