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* gnu/packages/patches/qemu-CVE-2015-6855.patch: Delete file. * gnu/packages/patches/qemu-virtio-9p-use-accessor-to-get-thread-pool.patch, gnu/packages/patches/qemu-CVE-2015-8558.patch, gnu/packages/patches/qemu-CVE-2015-8567.patch, gnu/packages/patches/qemu-CVE-2015-8613.patch, gnu/packages/patches/qemu-CVE-2015-8701.patch, gnu/packages/patches/qemu-CVE-2015-8743.patch, gnu/packages/patches/qemu-CVE-2016-1568.patch, gnu/packages/patches/qemu-CVE-2016-1922.patch: New files. * gnu-system.am (dist_patch_DATA): Remove 'qemu-CVE-2015-6855.patch'; add the new patches. * gnu/packages/qemu.scm (qemu): Update to 2.5.0. [source]: Remove old patches and add new ones. [arguments]: Add 'disable-test-qga' phase. (%glib-memory-vtable-patch, %glib-duplicate-test-patch): Remove variables.
39 lines
1.4 KiB
Diff
39 lines
1.4 KiB
Diff
From 4ab0359a8ae182a7ac5c99609667273167703fab Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Mon, 11 Jan 2016 14:10:42 -0500
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Subject: [PATCH] ide: ahci: reset ncq object to unused on error
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When processing NCQ commands, AHCI device emulation prepares a
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NCQ transfer object; To which an aio control block(aiocb) object
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is assigned in 'execute_ncq_command'. In case, when the NCQ
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command is invalid, the 'aiocb' object is not assigned, and NCQ
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transfer object is left as 'used'. This leads to a use after
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free kind of error in 'bdrv_aio_cancel_async' via 'ahci_reset_port'.
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Reset NCQ transfer object to 'unused' to avoid it.
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[Maintainer edit: s/ACHI/AHCI/ in the commit message. --js]
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Reported-by: Qinghao Tang <luodalongde@gmail.com>
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Reviewed-by: John Snow <jsnow@redhat.com>
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Message-id: 1452282511-4116-1-git-send-email-ppandit@redhat.com
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Signed-off-by: John Snow <jsnow@redhat.com>
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---
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hw/ide/ahci.c | 1 +
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1 file changed, 1 insertion(+)
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diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
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index dd1912e..17f1cbd 100644
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--- a/hw/ide/ahci.c
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+++ b/hw/ide/ahci.c
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@@ -910,6 +910,7 @@ static void ncq_err(NCQTransferState *ncq_tfs)
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ide_state->error = ABRT_ERR;
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ide_state->status = READY_STAT | ERR_STAT;
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ncq_tfs->drive->port_regs.scr_err |= (1 << ncq_tfs->tag);
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+ ncq_tfs->used = 0;
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}
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static void ncq_finish(NCQTransferState *ncq_tfs)
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--
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2.6.3
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