From patchwork Mon Oct 30 11:54:53 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Richard Purdie X-Patchwork-Id: 33079 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id DE4F1C4332F for ; Mon, 30 Oct 2023 11:55:01 +0000 (UTC) Received: from mail-wm1-f52.google.com (mail-wm1-f52.google.com [209.85.128.52]) by mx.groups.io with SMTP id smtpd.web11.146922.1698666896933042813 for ; Mon, 30 Oct 2023 04:54:57 -0700 Authentication-Results: mx.groups.io; dkim=pass header.i=@linuxfoundation.org header.s=google header.b=acCTozJO; spf=pass (domain: linuxfoundation.org, ip: 209.85.128.52, mailfrom: richard.purdie@linuxfoundation.org) Received: by mail-wm1-f52.google.com with SMTP id 5b1f17b1804b1-4084de32db5so36445735e9.0 for ; Mon, 30 Oct 2023 04:54:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linuxfoundation.org; s=google; t=1698666895; x=1699271695; darn=lists.openembedded.org; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:from:to:cc:subject:date:message-id:reply-to; bh=qFsDm+ji2D/4PVoQAZor/flM2nV/mrAEN3ZxbPbDuDk=; b=acCTozJOpxxRkBL0YKOmUUTX4NM/M40zfFNiPVI6DQpSjqt1ppYUh4OWPnyzfYGrg1 ggNDjFrrHYxJAgRHvAl/kjoom2GwbW6Ln7tC6r3CFvfXnStE+6U3pi/mZ0uF/mRAi6M4 CZO9UnEBU+xPz6/DbQ86PIpuftlC9LjMpbYQc= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1698666895; x=1699271695; h=content-transfer-encoding:mime-version:message-id:date:subject:to :from:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=qFsDm+ji2D/4PVoQAZor/flM2nV/mrAEN3ZxbPbDuDk=; b=Rm5OCMYI/1+HZaiJfRpYEM+qZ7qJA7QibnXjsKLZyysrOgHOKP1UtXgqfPkEsj5Z/3 fK5rFPi+htxElioca6VluMEPh6GyeyXe7LoPjIIapH/rijjqX55VRbyGMLRvNnfMbXKg 5xo7QSZa3VXNALB/4PfBHB5N566qetPSDdzdaFdI0B8DY8jZveTKZMti2WS/WrOQKpt0 7Gd7q93H4E+qjDU1qbptHi6IapXDvYSOvh+qWR3AHMgwQ8e1s7aFTvYA3mHsU9vyk6mn SOwIgyCdIaBFPReebxYq1ROB02ljz58BF0Qwzl/9eK8uaUnGMiODruJo4/yBpfK9t8EL 34Jg== X-Gm-Message-State: AOJu0YwBgVbpgsnmWvCZIkZ65g2pT83wi7j/ENyHka6LbiyIoy0Mv18c tZbfRcBUhnCrAasVqst6MblMgfbK0JeE9UUmceU= X-Google-Smtp-Source: AGHT+IFNO4zVbwpM8BHTYdeRfYm0symmaDmnIvcK7DTUOkUnt10/OMhxxOh4PBIxxzlqTT2EfeoVIw== X-Received: by 2002:adf:d1e8:0:b0:32f:7d50:267e with SMTP id g8-20020adfd1e8000000b0032f7d50267emr4753040wrd.9.1698666894597; Mon, 30 Oct 2023 04:54:54 -0700 (PDT) Received: from max.int.rpsys.net ([2001:8b0:aba:5f3c:482a:b779:b769:fa72]) by smtp.gmail.com with ESMTPSA id o1-20020a5d4081000000b00323293bd023sm8072436wrp.6.2023.10.30.04.54.53 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Oct 2023 04:54:54 -0700 (PDT) From: Richard Purdie To: openembedded-core@lists.openembedded.org Subject: [PATCH] qemu: Upgrade 8.1.0 -> 8.1.2 Date: Mon, 30 Oct 2023 11:54:53 +0000 Message-Id: <20231030115453.1995317-1-richard.purdie@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Mon, 30 Oct 2023 11:55:01 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/189793 Drop three backport patches as they're applied upstream. Signed-off-by: Richard Purdie --- ...u-native_8.1.0.bb => qemu-native_8.1.2.bb} | 0 ...e_8.1.0.bb => qemu-system-native_8.1.2.bb} | 0 meta/recipes-devtools/qemu/qemu.inc | 5 +- ...t-data-in-bounds-in-iotlb_to_section.patch | 42 ----- ...u-Use-async_run_on_cpu-in-tcg_commit.patch | 157 ------------------ .../qemu/qemu/CVE-2023-42467.patch | 49 ------ .../qemu/{qemu_8.1.0.bb => qemu_8.1.2.bb} | 0 7 files changed, 1 insertion(+), 252 deletions(-) rename meta/recipes-devtools/qemu/{qemu-native_8.1.0.bb => qemu-native_8.1.2.bb} (100%) rename meta/recipes-devtools/qemu/{qemu-system-native_8.1.0.bb => qemu-system-native_8.1.2.bb} (100%) delete mode 100644 meta/recipes-devtools/qemu/qemu/0001-softmmu-Assert-data-in-bounds-in-iotlb_to_section.patch delete mode 100644 meta/recipes-devtools/qemu/qemu/0001-softmmu-Use-async_run_on_cpu-in-tcg_commit.patch delete mode 100644 meta/recipes-devtools/qemu/qemu/CVE-2023-42467.patch rename meta/recipes-devtools/qemu/{qemu_8.1.0.bb => qemu_8.1.2.bb} (100%) diff --git a/meta/recipes-devtools/qemu/qemu-native_8.1.0.bb b/meta/recipes-devtools/qemu/qemu-native_8.1.2.bb similarity index 100% rename from meta/recipes-devtools/qemu/qemu-native_8.1.0.bb rename to meta/recipes-devtools/qemu/qemu-native_8.1.2.bb diff --git a/meta/recipes-devtools/qemu/qemu-system-native_8.1.0.bb b/meta/recipes-devtools/qemu/qemu-system-native_8.1.2.bb similarity index 100% rename from meta/recipes-devtools/qemu/qemu-system-native_8.1.0.bb rename to meta/recipes-devtools/qemu/qemu-system-native_8.1.2.bb diff --git a/meta/recipes-devtools/qemu/qemu.inc b/meta/recipes-devtools/qemu/qemu.inc index 78c495516f2..5ab2cb83b4d 100644 --- a/meta/recipes-devtools/qemu/qemu.inc +++ b/meta/recipes-devtools/qemu/qemu.inc @@ -29,18 +29,15 @@ SRC_URI = "https://download.qemu.org/${BPN}-${PV}.tar.xz \ file://0009-Define-MAP_SYNC-and-MAP_SHARED_VALIDATE-on-needed-li.patch \ file://0010-hw-pvrdma-Protect-against-buggy-or-malicious-guest-d.patch \ file://0002-linux-user-Replace-use-of-lfs64-related-functions-an.patch \ - file://0001-softmmu-Assert-data-in-bounds-in-iotlb_to_section.patch \ - file://0001-softmmu-Use-async_run_on_cpu-in-tcg_commit.patch \ file://fixedmeson.patch \ file://fixmips.patch \ file://qemu-guest-agent.init \ file://qemu-guest-agent.udev \ - file://CVE-2023-42467.patch \ " UPSTREAM_CHECK_REGEX = "qemu-(?P\d+(\.\d+)+)\.tar" -SRC_URI[sha256sum] = "710c101198e334d4762eef65f649bc43fa8a5dd75303554b8acfec3eb25f0e55" +SRC_URI[sha256sum] = "541526a764576eb494d2ff5ec46aeb253e62ea29035d1c23c0a8af4e6cd4f087" SRC_URI:append:class-target = " file://cross.patch" SRC_URI:append:class-nativesdk = " file://cross.patch" diff --git a/meta/recipes-devtools/qemu/qemu/0001-softmmu-Assert-data-in-bounds-in-iotlb_to_section.patch b/meta/recipes-devtools/qemu/qemu/0001-softmmu-Assert-data-in-bounds-in-iotlb_to_section.patch deleted file mode 100644 index 7380e16ab32..00000000000 --- a/meta/recipes-devtools/qemu/qemu/0001-softmmu-Assert-data-in-bounds-in-iotlb_to_section.patch +++ /dev/null @@ -1,42 +0,0 @@ -From 86e4f93d827d3c1efd00cd8a906e38a2c0f2b5bc Mon Sep 17 00:00:00 2001 -From: Richard Henderson -Date: Fri, 25 Aug 2023 14:06:58 -0700 -Subject: [PATCH] softmmu: Assert data in bounds in iotlb_to_section -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Acked-by: Alex Bennée -Suggested-by: Alex Bennée -Signed-off-by: Richard Henderson - -Upstream-Status: Backport [https://gitlab.com/qemu-project/qemu/-/commit/86e4f93d827d3c1efd00cd8a906e38a2c0f2b5bc] ---- - softmmu/physmem.c | 10 ++++++++-- - 1 file changed, 8 insertions(+), 2 deletions(-) - -diff --git a/softmmu/physmem.c b/softmmu/physmem.c -index 3df73542e1..7597dc1c39 100644 ---- a/softmmu/physmem.c -+++ b/softmmu/physmem.c -@@ -2413,9 +2413,15 @@ MemoryRegionSection *iotlb_to_section(CPUState *cpu, - int asidx = cpu_asidx_from_attrs(cpu, attrs); - CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx]; - AddressSpaceDispatch *d = qatomic_rcu_read(&cpuas->memory_dispatch); -- MemoryRegionSection *sections = d->map.sections; -+ int section_index = index & ~TARGET_PAGE_MASK; -+ MemoryRegionSection *ret; -+ -+ assert(section_index < d->map.sections_nb); -+ ret = d->map.sections + section_index; -+ assert(ret->mr); -+ assert(ret->mr->ops); - -- return §ions[index & ~TARGET_PAGE_MASK]; -+ return ret; - } - - static void io_mem_init(void) --- -2.34.1 - diff --git a/meta/recipes-devtools/qemu/qemu/0001-softmmu-Use-async_run_on_cpu-in-tcg_commit.patch b/meta/recipes-devtools/qemu/qemu/0001-softmmu-Use-async_run_on_cpu-in-tcg_commit.patch deleted file mode 100644 index 8289b459916..00000000000 --- a/meta/recipes-devtools/qemu/qemu/0001-softmmu-Use-async_run_on_cpu-in-tcg_commit.patch +++ /dev/null @@ -1,157 +0,0 @@ -From 0d58c660689f6da1e3feff8a997014003d928b3b Mon Sep 17 00:00:00 2001 -From: Richard Henderson -Date: Fri, 25 Aug 2023 16:13:17 -0700 -Subject: [PATCH] softmmu: Use async_run_on_cpu in tcg_commit -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -After system startup, run the update to memory_dispatch -and the tlb_flush on the cpu. This eliminates a race, -wherein a running cpu sees the memory_dispatch change -but has not yet seen the tlb_flush. - -Since the update now happens on the cpu, we need not use -qatomic_rcu_read to protect the read of memory_dispatch. - -Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1826 -Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1834 -Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1846 -Tested-by: Alex Bennée -Reviewed-by: Alex Bennée -Signed-off-by: Richard Henderson - -Upstream-Status: Backport [0d58c660689f6da1e3feff8a997014003d928b3b] ---- - accel/tcg/cpu-exec-common.c | 30 ---------------------------- - include/exec/cpu-common.h | 1 - - softmmu/physmem.c | 40 +++++++++++++++++++++++++++---------- - 3 files changed, 29 insertions(+), 42 deletions(-) - -Index: qemu-8.1.0/accel/tcg/cpu-exec-common.c -=================================================================== ---- qemu-8.1.0.orig/accel/tcg/cpu-exec-common.c -+++ qemu-8.1.0/accel/tcg/cpu-exec-common.c -@@ -33,36 +33,6 @@ void cpu_loop_exit_noexc(CPUState *cpu) - cpu_loop_exit(cpu); - } - --#if defined(CONFIG_SOFTMMU) --void cpu_reloading_memory_map(void) --{ -- if (qemu_in_vcpu_thread() && current_cpu->running) { -- /* The guest can in theory prolong the RCU critical section as long -- * as it feels like. The major problem with this is that because it -- * can do multiple reconfigurations of the memory map within the -- * critical section, we could potentially accumulate an unbounded -- * collection of memory data structures awaiting reclamation. -- * -- * Because the only thing we're currently protecting with RCU is the -- * memory data structures, it's sufficient to break the critical section -- * in this callback, which we know will get called every time the -- * memory map is rearranged. -- * -- * (If we add anything else in the system that uses RCU to protect -- * its data structures, we will need to implement some other mechanism -- * to force TCG CPUs to exit the critical section, at which point this -- * part of this callback might become unnecessary.) -- * -- * This pair matches cpu_exec's rcu_read_lock()/rcu_read_unlock(), which -- * only protects cpu->as->dispatch. Since we know our caller is about -- * to reload it, it's safe to split the critical section. -- */ -- rcu_read_unlock(); -- rcu_read_lock(); -- } --} --#endif -- - void cpu_loop_exit(CPUState *cpu) - { - /* Undo the setting in cpu_tb_exec. */ -Index: qemu-8.1.0/include/exec/cpu-common.h -=================================================================== ---- qemu-8.1.0.orig/include/exec/cpu-common.h -+++ qemu-8.1.0/include/exec/cpu-common.h -@@ -133,7 +133,6 @@ static inline void cpu_physical_memory_w - { - cpu_physical_memory_rw(addr, (void *)buf, len, true); - } --void cpu_reloading_memory_map(void); - void *cpu_physical_memory_map(hwaddr addr, - hwaddr *plen, - bool is_write); -Index: qemu-8.1.0/softmmu/physmem.c -=================================================================== ---- qemu-8.1.0.orig/softmmu/physmem.c -+++ qemu-8.1.0/softmmu/physmem.c -@@ -680,8 +680,7 @@ address_space_translate_for_iotlb(CPUSta - IOMMUTLBEntry iotlb; - int iommu_idx; - hwaddr addr = orig_addr; -- AddressSpaceDispatch *d = -- qatomic_rcu_read(&cpu->cpu_ases[asidx].memory_dispatch); -+ AddressSpaceDispatch *d = cpu->cpu_ases[asidx].memory_dispatch; - - for (;;) { - section = address_space_translate_internal(d, addr, &addr, plen, false); -@@ -2412,7 +2411,7 @@ MemoryRegionSection *iotlb_to_section(CP - { - int asidx = cpu_asidx_from_attrs(cpu, attrs); - CPUAddressSpace *cpuas = &cpu->cpu_ases[asidx]; -- AddressSpaceDispatch *d = qatomic_rcu_read(&cpuas->memory_dispatch); -+ AddressSpaceDispatch *d = cpuas->memory_dispatch; - int section_index = index & ~TARGET_PAGE_MASK; - MemoryRegionSection *ret; - -@@ -2487,23 +2486,42 @@ static void tcg_log_global_after_sync(Me - } - } - -+static void tcg_commit_cpu(CPUState *cpu, run_on_cpu_data data) -+{ -+ CPUAddressSpace *cpuas = data.host_ptr; -+ -+ cpuas->memory_dispatch = address_space_to_dispatch(cpuas->as); -+ tlb_flush(cpu); -+} -+ - static void tcg_commit(MemoryListener *listener) - { - CPUAddressSpace *cpuas; -- AddressSpaceDispatch *d; -+ CPUState *cpu; - - assert(tcg_enabled()); - /* since each CPU stores ram addresses in its TLB cache, we must - reset the modified entries */ - cpuas = container_of(listener, CPUAddressSpace, tcg_as_listener); -- cpu_reloading_memory_map(); -- /* The CPU and TLB are protected by the iothread lock. -- * We reload the dispatch pointer now because cpu_reloading_memory_map() -- * may have split the RCU critical section. -+ cpu = cpuas->cpu; -+ -+ /* -+ * Defer changes to as->memory_dispatch until the cpu is quiescent. -+ * Otherwise we race between (1) other cpu threads and (2) ongoing -+ * i/o for the current cpu thread, with data cached by mmu_lookup(). -+ * -+ * In addition, queueing the work function will kick the cpu back to -+ * the main loop, which will end the RCU critical section and reclaim -+ * the memory data structures. -+ * -+ * That said, the listener is also called during realize, before -+ * all of the tcg machinery for run-on is initialized: thus halt_cond. - */ -- d = address_space_to_dispatch(cpuas->as); -- qatomic_rcu_set(&cpuas->memory_dispatch, d); -- tlb_flush(cpuas->cpu); -+ if (cpu->halt_cond) { -+ async_run_on_cpu(cpu, tcg_commit_cpu, RUN_ON_CPU_HOST_PTR(cpuas)); -+ } else { -+ tcg_commit_cpu(cpu, RUN_ON_CPU_HOST_PTR(cpuas)); -+ } - } - - static void memory_map_init(void) diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2023-42467.patch b/meta/recipes-devtools/qemu/qemu/CVE-2023-42467.patch deleted file mode 100644 index 86ab7cf81a6..00000000000 --- a/meta/recipes-devtools/qemu/qemu/CVE-2023-42467.patch +++ /dev/null @@ -1,49 +0,0 @@ -From 7cfcc79b0ab800959716738aff9419f53fc68c9c Mon Sep 17 00:00:00 2001 -From: Thomas Huth -Date: Thu, 5 Oct 2023 06:01:10 +0000 -Subject: [PATCH] hw/scsi/scsi-disk: Disallow block sizes smaller than 512 - [CVE-2023-42467] - -We are doing things like - - nb_sectors /= (s->qdev.blocksize / BDRV_SECTOR_SIZE); - -in the code here (e.g. in scsi_disk_emulate_mode_sense()), so if -the blocksize is smaller than BDRV_SECTOR_SIZE (=512), this crashes -with a division by 0 exception. Thus disallow block sizes of 256 -bytes to avoid this situation. - -Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1813 -CVE: 2023-42467 -Signed-off-by: Thomas Huth -Message-ID: <20230925091854.49198-1-thuth@redhat.com> -Signed-off-by: Paolo Bonzini - -CVE: CVE-2023-42467 - -Upstream-Status: Backport [https://gitlab.com/qemu-project/qemu/-/commit/7cfcc79b0ab800959716738aff9419f53fc68c9c] - -Signed-off-by: Yogita Urade ---- - hw/scsi/scsi-disk.c | 5 +++-- - 1 file changed, 3 insertions(+), 2 deletions(-) - -diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c -index e0d79c796..477ee2bcd 100644 ---- a/hw/scsi/scsi-disk.c -+++ b/hw/scsi/scsi-disk.c -@@ -1628,9 +1628,10 @@ static void scsi_disk_emulate_mode_select(SCSIDiskReq *r, uint8_t *inbuf) - * Since the existing code only checks/updates bits 8-15 of the block - * size, restrict ourselves to the same requirement for now to ensure - * that a block size set by a block descriptor and then read back by -- * a subsequent SCSI command will be the same -+ * a subsequent SCSI command will be the same. Also disallow a block -+ * size of 256 since we cannot handle anything below BDRV_SECTOR_SIZE. - */ -- if (bs && !(bs & ~0xff00) && bs != s->qdev.blocksize) { -+ if (bs && !(bs & ~0xfe00) && bs != s->qdev.blocksize) { - s->qdev.blocksize = bs; - trace_scsi_disk_mode_select_set_blocksize(s->qdev.blocksize); - } --- -2.40.0 diff --git a/meta/recipes-devtools/qemu/qemu_8.1.0.bb b/meta/recipes-devtools/qemu/qemu_8.1.2.bb similarity index 100% rename from meta/recipes-devtools/qemu/qemu_8.1.0.bb rename to meta/recipes-devtools/qemu/qemu_8.1.2.bb