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SUSE:SLE-12-SP2:GA
mdadm.5365
0047-Grow.c-Fix-classic-readlink-buffer-overflo...
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File 0047-Grow.c-Fix-classic-readlink-buffer-overflow.patch of Package mdadm.5365
From 9eb5ce5ae298a13af29f2c85f33ef75773e852ee Mon Sep 17 00:00:00 2001 From: Jes Sorensen <Jes.Sorensen@redhat.com> Date: Tue, 24 Feb 2015 16:00:36 -0500 Subject: [PATCH 058/359] Grow.c: Fix classic readlink() buffer overflow References: bsc#1081910 The buffer passed on to readlink() needs to contain space for the terminating \0. See 'man 3 readlink' for details. Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: NeilBrown <neilb@suse.de> Signed-off-by: Coly Li <colyli@suse.de> --- Grow.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Grow.c b/Grow.c index b78d063..a8bbf2b 100644 --- a/Grow.c +++ b/Grow.c @@ -3319,7 +3319,7 @@ started: bul = make_backup(sra->sys_name); if (bul) { char buf[1024]; - int l = readlink(bul, buf, sizeof(buf)); + int l = readlink(bul, buf, sizeof(buf) - 1); if (l > 0) { buf[l]=0; unlink(buf); -- 2.16.1
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