linux-kernel - [PATCH 3/3] perf: Use 64-bit value when comparing sample

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed,  5 Mar 2014 20:41:59 -0800
From:	Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
To:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
Cc:	<linux-kernel@...r.kernel.org>, linuxppc-dev@...abs.org,
	Stephane Eranian <eranian@...gle.com>,
	Michael Ellerman <michaele@....ibm.com>,
	Paul Mackerras <paulus@...ba.org>, Jiri Olsa <jolsa@...hat.com>
Subject: [PATCH 3/3] perf: Use 64-bit value when comparing sample_regs

When checking whether a bit representing a register is set in
sample_regs, a 64-bit mask, use 64-bit value (1LL).

Signed-off-by: Sukadev Bhattiprolu <sukadev@...ux.vnet.ibm.com>
---
 tools/perf/util/unwind.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/util/unwind.c b/tools/perf/util/unwind.c
index 742f23b..2b888c6 100644
--- a/tools/perf/util/unwind.c
+++ b/tools/perf/util/unwind.c
@@ -396,11 +396,11 @@ static int reg_value(unw_word_t *valp, struct regs_dump *regs, int id,
 {
 	int i, idx = 0;
 
-	if (!(sample_regs & (1 << id)))
+	if (!(sample_regs & (1LL << id)))
 		return -EINVAL;
 
 	for (i = 0; i < id; i++) {
-		if (sample_regs & (1 << i))
+		if (sample_regs & (1LL << i))
 			idx++;
 	}
 
-- 
1.7.9.5

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/