linux-kernel - [for-linus][PATCH 0/4] tracing: More fixes for v6.8

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Date: Thu, 15 Feb 2024 16:39:16 -0500
From: Steven Rostedt <rostedt@...dmis.org>
To: linux-kernel@...r.kernel.org
Cc: Masami Hiramatsu <mhiramat@...nel.org>,
 Mark Rutland <mark.rutland@....com>,
 Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
 Andrew Morton <akpm@...ux-foundation.org>
Subject: [for-linus][PATCH 0/4] tracing: More fixes for v6.8


More fixes for 6.8

- Fix a false positive kmemleak on saved cmdlines
  Now that the saved_cmdlines structure is allocated via alloc_page()
  and not via kmalloc() it has become invisible to kmemleak.
  The allocation done to one of its pointers was flagged as a
  dangling allocation leak. Make kmemleak aware of this allocation
  and free.

- Fix synthetic event dynamic strings.
  A update that cleaned up the synthetic event code removed the
  return value of trace_string(), and had it return zero instead
  of the length, causing dynamic strings in the synthetic event
  to always have zero size.

- Clean up documentation and header files for seq_buf

  git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace.git
trace/urgent

Head SHA1: 6efe4d18796934b8ada66c1c446510e7f2d9b972


Andy Shevchenko (2):
      seq_buf: Don't use "proxy" headers
      seq_buf: Fix kernel documentation

Steven Rostedt (Google) (1):
      tracing: Inform kmemleak of saved_cmdlines allocation

Thorsten Blum (1):
      tracing/synthetic: Fix trace_string() return value

----
 include/linux/seq_buf.h           | 17 ++++++++------
 kernel/trace/trace.c              |  3 +++
 kernel/trace/trace_events_synth.c |  3 ++-
 lib/seq_buf.c                     | 49 ++++++++++++++++++++++++---------------
 4 files changed, 45 insertions(+), 27 deletions(-)