f036a54ad6
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
33 lines
1.3 KiB
Diff
33 lines
1.3 KiB
Diff
From 9d2c9efdb4d8b49689517271db3420c6de75278d Mon Sep 17 00:00:00 2001
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From: Li Qiang <liqiang6-s@360.cn>
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Date: Sun, 18 Sep 2016 19:48:35 -0700
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Subject: [PATCH] usb: ehci: fix memory leak in ehci_process_itd
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While processing isochronous transfer descriptors(iTD), if the page
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select(PG) field value is out of bands it will return. In this
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situation the ehci's sg list is not freed thus leading to a memory
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leak issue. This patch avoid this.
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Signed-off-by: Li Qiang <liqiang6-s@360.cn>
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Reviewed-by: Thomas Huth <thuth@redhat.com>
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Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
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(cherry picked from commit b16c129daf0fed91febbb88de23dae8271c8898a)
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[BR: CVE-2016-7995 BSC#1003612]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/usb/hcd-ehci.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
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index b093db7..f4ece9a 100644
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--- a/hw/usb/hcd-ehci.c
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+++ b/hw/usb/hcd-ehci.c
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@@ -1426,6 +1426,7 @@ static int ehci_process_itd(EHCIState *ehci,
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if (off + len > 4096) {
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/* transfer crosses page border */
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if (pg == 6) {
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+ qemu_sglist_destroy(&ehci->isgl);
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return -1; /* avoid page pg + 1 */
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}
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ptr2 = (itd->bufptr[pg + 1] & ITD_BUFPTR_MASK);
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