32 lines
897 B
Diff
32 lines
897 B
Diff
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From f39a97d2972e3959985c2771f1fc53c45897acfb Mon Sep 17 00:00:00 2001
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From: Martin Wilck <mwilck@suse.com>
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Date: Mon, 24 Jun 2019 11:27:43 +0200
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Subject: [PATCH 5/8] libmultipath: fix another WWID overflow in
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parse_vpd_pg83()
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This one is an obvious typo.
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Fixes: 18176202e75c "Read wwid from sysfs vpg_pg83 attribute"
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Signed-off-by: Martin Wilck <mwilck@suse.com>
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---
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libmultipath/discovery.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/libmultipath/discovery.c b/libmultipath/discovery.c
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index 416823b..c57369c 100644
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--- a/libmultipath/discovery.c
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+++ b/libmultipath/discovery.c
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@@ -1136,7 +1136,7 @@ parse_vpd_pg83(const unsigned char *in, size_t in_len,
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len = 1;
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vpd += 4;
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vpd_len -= 4;
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- if (vpd_len > out_len + 2)
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+ if (vpd_len > out_len - 2)
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vpd_len = out_len - 2;
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memcpy(out, vpd, vpd_len);
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len = vpd_len + 1;
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--
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1.8.3.1
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