The patch titled
Subject: leaking_addresses: also skip canonical ftrace path
has been added to the -mm mm-nonmm-unstable branch. Its filename is
leaking_addresses-also-skip-canonical-ftrace-path.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/leaking_addresses-also-skip-canonical-ftrace-path.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Ross Zwisler <zwisler@xxxxxxxxxx>
Subject: leaking_addresses: also skip canonical ftrace path
Date: Mon, 13 Mar 2023 15:17:44 -0600
The canonical location for the tracefs filesystem is at /sys/kernel/tracing.
But, from Documentation/trace/ftrace.rst:
Before 4.1, all ftrace tracing control files were within the debugfs
file system, which is typically located at /sys/kernel/debug/tracing.
For backward compatibility, when mounting the debugfs file system,
the tracefs file system will be automatically mounted at:
/sys/kernel/debug/tracing
scripts/leaking_addresses.pl only skipped this older debugfs path, so
let's add the canonical path as well.
Link: https://lkml.kernel.org/r/20230313211746.1541525-2-zwisler@xxxxxxxxxx
Signed-off-by: Ross Zwisler <zwisler@xxxxxxxxxx>
Acked-by: Tycho Andersen <tycho@tycho.pizza>
Reviewed-by: Steven Rostedt (Google) <rostedt@xxxxxxxxxxx>
Cc: Mark Rutland <mark.rutland@xxxxxxx>
Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
Cc: Mukesh Ojha <quic_mojha@xxxxxxxxxxx>
Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Cc: Shuah Khan <shuah@xxxxxxxxxx>
Cc: "Tobin C. Harding" <me@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
--- a/scripts/leaking_addresses.pl~leaking_addresses-also-skip-canonical-ftrace-path
+++ a/scripts/leaking_addresses.pl
@@ -61,6 +61,7 @@ my @skip_abs = (
'/proc/device-tree',
'/proc/1/syscall',
'/sys/firmware/devicetree',
+ '/sys/kernel/tracing/trace_pipe',
'/sys/kernel/debug/tracing/trace_pipe',
'/sys/kernel/security/apparmor/revision');
_
Patches currently in -mm which might be from zwisler@xxxxxxxxxx are
selftests-use-canonical-ftrace-path.patch
leaking_addresses-also-skip-canonical-ftrace-path.patch
tools-kvm_stat-use-canonical-ftrace-path.patch
