Commit ffb9bd68 authored Apr 28, 2018 by Masami Hiramatsu Committed by Ingo Molnar Jun 21, 2018

kprobes: Show blacklist addresses as same as kallsyms does



Show kprobes blacklist addresses under same condition of
showing kallsyms addresses.

Since there are several name conflict for local symbols,
kprobe blacklist needs to show each addresses so that
user can identify where is on blacklist by comparing
with kallsyms.

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: David Howells <dhowells@redhat.com>
Cc: David S . Miller <davem@davemloft.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Jon Medhurst <tixy@linaro.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Tobin C . Harding <me@tobin.cc>
Cc: Will Deacon <will.deacon@arm.com>
Cc: acme@kernel.org
Cc: akpm@linux-foundation.org
Cc: brueckner@linux.vnet.ibm.com
Cc: linux-arch@vger.kernel.org
Cc: rostedt@goodmis.org
Cc: schwidefsky@de.ibm.com
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/lkml/152491893217.9916.14760965896164273464.stgit@devbox


Signed-off-by: Ingo Molnar <mingo@kernel.org>

parent f2a3ab36

kernel/kprobes.c

+10 −2

Original line number	Diff line number	Diff line
		@@ -2326,6 +2326,14 @@ static int kprobe_blacklist_seq_show(struct seq_file m, void v)
		struct kprobe_blacklist_entry *ent =
		list_entry(v, struct kprobe_blacklist_entry, list);

		/*
		* If /proc/kallsyms is not showing kernel address, we won't
		* show them here either.
		*/
		if (!kallsyms_show_value())
		seq_printf(m, "0x%px-0x%px\t%ps\n", NULL, NULL,
		(void *)ent->start_addr);
		else
		seq_printf(m, "0x%px-0x%px\t%ps\n", (void *)ent->start_addr,
		(void )ent->end_addr, (void )ent->start_addr);
		return 0;