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Message-Id: <20241028190927.648953-1-mathieu.desnoyers@efficios.com>
Date: Mon, 28 Oct 2024 15:09:23 -0400
From: Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To: Steven Rostedt <rostedt@...dmis.org>
Cc: linux-kernel@...r.kernel.org,
Mathieu Desnoyers <mathieu.desnoyers@...icios.com>,
Thomas Gleixner <tglx@...utronix.de>,
Michael Jeanson <mjeanson@...icios.com>,
Masami Hiramatsu <mhiramat@...nel.org>,
Peter Zijlstra <peterz@...radead.org>,
Alexei Starovoitov <ast@...nel.org>,
Yonghong Song <yhs@...com>,
"Paul E . McKenney" <paulmck@...nel.org>,
Ingo Molnar <mingo@...hat.com>,
Arnaldo Carvalho de Melo <acme@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Namhyung Kim <namhyung@...nel.org>,
Andrii Nakryiko <andrii.nakryiko@...il.com>,
bpf@...r.kernel.org,
Joel Fernandes <joel@...lfernandes.org>,
Jordan Rife <jrife@...gle.com>
Subject: [RFC PATCH v4 0/4] Faultable syscall tracepoints updates
This series addresses use-after-free of faultable syscall tracepoints
reported by test bots using Syzkaller.
This applies on linux-next 20241022.
Thanks,
Mathieu
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Michael Jeanson <mjeanson@...icios.com>
Cc: Masami Hiramatsu <mhiramat@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Alexei Starovoitov <ast@...nel.org>
Cc: Yonghong Song <yhs@...com>
Cc: Paul E. McKenney <paulmck@...nel.org>
Cc: Ingo Molnar <mingo@...hat.com>
Cc: Arnaldo Carvalho de Melo <acme@...nel.org>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Andrii Nakryiko <andrii.nakryiko@...il.com>
Cc: bpf@...r.kernel.org
Cc: Joel Fernandes <joel@...lfernandes.org>
Cc: Jordan Rife <jrife@...gle.com>
Mathieu Desnoyers (4):
tracing: Introduce tracepoint extended structure
tracing: Introduce tracepoint_is_faultable()
tracing: Fix syscall tracepoint use-after-free
tracing: Add might_fault() check in __DO_TRACE() for syscall
include/linux/tracepoint-defs.h | 10 +++++--
include/linux/tracepoint.h | 49 +++++++++++++++++++++++++++------
include/trace/define_trace.h | 2 +-
kernel/tracepoint.c | 20 ++++++++------
4 files changed, 61 insertions(+), 20 deletions(-)
--
2.39.5
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