3430f55120
Refine the reproducible build changes to no longer override linux commands, but rather fix via patches only. Also fix all the recent security issues reported. OBS-URL: https://build.opensuse.org/request/show/441247 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=320
35 lines
1.2 KiB
Diff
35 lines
1.2 KiB
Diff
From 854b5adf363ebfb07ad0134079401d62cdf25b77 Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Fri, 21 Oct 2016 17:39:29 +0530
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Subject: [PATCH] net: rtl8139: limit processing of ring descriptors
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RTL8139 ethernet controller in C+ mode supports multiple
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descriptor rings, each with maximum of 64 descriptors. While
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processing transmit descriptor ring in 'rtl8139_cplus_transmit',
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it does not limit the descriptor count and runs forever. Add
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check to avoid it.
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Reported-by: Andrew Henderson <hendersa@icculus.org>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Signed-off-by: Jason Wang <jasowang@redhat.com>
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(cherry picked from commit c7c35916692fe010fef25ac338443d3fe40be225)
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[BR: CVE-2016-8910 BSC#1006538]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/net/rtl8139.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
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index 3345bc6..f05e59c 100644
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--- a/hw/net/rtl8139.c
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+++ b/hw/net/rtl8139.c
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@@ -2350,7 +2350,7 @@ static void rtl8139_cplus_transmit(RTL8139State *s)
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{
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int txcount = 0;
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- while (rtl8139_cplus_transmit_one(s))
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+ while (txcount < 64 && rtl8139_cplus_transmit_one(s))
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{
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++txcount;
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}
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