From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1944) id 127113851175; Thu, 27 Oct 2022 13:49:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 127113851175 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1666878587; bh=7QKsi/K6K20YWE1c/h2MzcV4WgTLrl/7yf8RY0jWYQA=; h=From:To:Subject:Date:From; b=O8Izb6rw4mvAtBFO/Mhs4kBnymcODNRl58PrDRjO5VJR1/Sv5VNs9DQkjc/rJPEsa Phuob1/8mdQgw5l6hmKN32XIN78ru/lk0PBFMqHgfa8/XIxGBLandyqR/qjlnGfhP5 J5Jop523Y3zmrw5DyrAS8m9MhrKN1X9670ZhrPDc= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Szabolcs Nagy To: glibc-cvs@sourceware.org Subject: [glibc/arm/morello/main] Fix off-by-one OOB read in elf/tst-tls20 X-Act-Checkin: glibc X-Git-Author: Szabolcs Nagy X-Git-Refname: refs/heads/arm/morello/main X-Git-Oldrev: dd9ec10913da97c0a5b64f5fd9ac195a61ef13b1 X-Git-Newrev: 5f1f0f9a718b67c6205dbb90760a0f72385dc205 Message-Id: <20221027134947.127113851175@sourceware.org> Date: Thu, 27 Oct 2022 13:49:47 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=5f1f0f9a718b67c6205dbb90760a0f72385dc205 commit 5f1f0f9a718b67c6205dbb90760a0f72385dc205 Author: Szabolcs Nagy Date: Tue Oct 11 13:07:59 2022 +0100 Fix off-by-one OOB read in elf/tst-tls20 The int mods[nmods] array on the stack was overread by one. Diff: --- elf/tst-tls20.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/elf/tst-tls20.c b/elf/tst-tls20.c index ce4635eeb1..9cebe22a40 100644 --- a/elf/tst-tls20.c +++ b/elf/tst-tls20.c @@ -264,7 +264,7 @@ do_test_dependency (void) xdlclose (moddep); } - for (int n = 1; n <= nmods; n++) + for (int n = 1; n < nmods; n++) if (mods[n] != 0) unload_mod (n); } @@ -342,7 +342,7 @@ do_test_invalid_dependency (bool bind_now) xdlclose (moddep); } - for (int n = 1; n <= nmods; n++) + for (int n = 1; n < nmods; n++) if (mods[n] != 0) unload_mod (n); }