8c721a87ae
- Remove deprecated patch "work-around-SA_RESTART-race" (boo#982208) - Patch queue updated from git://github.com/openSUSE/qemu.git opensuse-2.6 * Patches dropped: 0002-XXX-work-around-SA_RESTART-race-wit.patch 0003-qemu-0.9.0.cvs-binfmt.patch 0004-qemu-cvs-alsa_bitfield.patch 0005-qemu-cvs-alsa_ioctl.patch 0006-qemu-cvs-alsa_mmap.patch 0007-qemu-cvs-gettimeofday.patch 0008-qemu-cvs-ioctl_debug.patch 0009-qemu-cvs-ioctl_nodirection.patch 0010-block-vmdk-Support-creation-of-SCSI.patch 0011-linux-user-add-binfmt-wrapper-for-a.patch 0012-PPC-KVM-Disable-mmu-notifier-check.patch 0013-linux-user-fix-segfault-deadlock.patch 0014-linux-user-binfmt-support-host-bina.patch 0015-linux-user-Ignore-broken-loop-ioctl.patch 0016-linux-user-lock-tcg.patch 0017-linux-user-Run-multi-threaded-code-.patch 0018-linux-user-lock-tb-flushing-too.patch 0019-linux-user-Fake-proc-cpuinfo.patch 0020-linux-user-implement-FS_IOC_GETFLAG.patch 0021-linux-user-implement-FS_IOC_SETFLAG.patch 0022-linux-user-XXX-disable-fiemap.patch 0023-slirp-nooutgoing.patch 0024-vnc-password-file-and-incoming-conn.patch 0025-linux-user-add-more-blk-ioctls.patch 0026-linux-user-use-target_ulong.patch 0027-block-Add-support-for-DictZip-enabl.patch 0028-block-Add-tar-container-format.patch OBS-URL: https://build.opensuse.org/request/show/408549 OBS-URL: https://build.opensuse.org/package/show/Virtualization/qemu?expand=0&rev=305
36 lines
1.3 KiB
Diff
36 lines
1.3 KiB
Diff
From 481b43bcc3e920bbe48801a7ad2489260747e8b9 Mon Sep 17 00:00:00 2001
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From: Prasad J Pandit <pjp@fedoraproject.org>
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Date: Thu, 7 Apr 2016 12:50:08 +0530
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Subject: [PATCH] i386: kvmvapic: initialise imm32 variable
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When processing Task Priorty Register(TPR) access, it could leak
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automatic stack variable 'imm32' in patch_instruction().
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Initialise the variable to avoid it.
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Reported by: Donghai Zdh <donghai.zdh@alibaba-inc.com>
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Cc: qemu-stable@nongnu.org
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Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org>
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Message-Id: <1460013608-16670-1-git-send-email-ppandit@redhat.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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(cherry picked from commit 691a02e2ce0c413236a78dee6f2651c937b09fb0)
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[BR: BSC#975700 CVE-2016-4020]
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Signed-off-by: Bruce Rogers <brogers@suse.com>
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---
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hw/i386/kvmvapic.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/hw/i386/kvmvapic.c b/hw/i386/kvmvapic.c
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index c69f374..ff1e31a 100644
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--- a/hw/i386/kvmvapic.c
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+++ b/hw/i386/kvmvapic.c
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@@ -394,7 +394,7 @@ static void patch_instruction(VAPICROMState *s, X86CPU *cpu, target_ulong ip)
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CPUX86State *env = &cpu->env;
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VAPICHandlers *handlers;
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uint8_t opcode[2];
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- uint32_t imm32;
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+ uint32_t imm32 = 0;
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target_ulong current_pc = 0;
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target_ulong current_cs_base = 0;
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int current_flags = 0;
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