28ce061413
access while processing ESP_FIFO CVE-2016-5338-qemut-scsi-esp-OOB-rw-access-while-processing-ESP_FIFO.patch - bsc#982960 - VUL-0: CVE-2016-5238: xen: qemu: scsi: esp: OOB write when using non-DMA mode in get_cmd CVE-2016-5238-qemut-scsi-esp-OOB-write-when-using-non-DMA-mode-in-get_cmd.patch - fate#319989 - Update to Xen 4.7 RC5 xen-4.7.0-testing-src.tar.bz2 - bsc#954872 - script block-dmmd not working as expected - libxl: error: libxl_dm.c (another modification) block-dmmd OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=435
109 lines
4.6 KiB
Diff
109 lines
4.6 KiB
Diff
References: bsc#954872
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---
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tools/libxl/libxl.c | 4 ++++
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tools/libxl/libxl_device.c | 3 ++-
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tools/libxl/libxl_dm.c | 34 +++++++++++++++++++++++++++++-----
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tools/libxl/libxlu_disk_l.l | 2 ++
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4 files changed, 37 insertions(+), 6 deletions(-)
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Index: xen-4.7.0-testing/tools/libxl/libxl.c
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxl.c
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+++ xen-4.7.0-testing/tools/libxl/libxl.c
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@@ -2522,6 +2522,10 @@ static void device_disk_add(libxl__egc *
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/* now create a phy device to export the device to the guest */
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goto do_backend_phy;
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case LIBXL_DISK_BACKEND_QDISK:
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+ if (disk->script) {
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+ script = libxl__abs_path(gc, disk->script, libxl__xen_script_dir_path());
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+ flexarray_append_pair(back, "script", script);
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+ }
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flexarray_append(back, "params");
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flexarray_append(back, GCSPRINTF("%s:%s",
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libxl__device_disk_string_of_format(disk->format), disk->pdev_path));
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Index: xen-4.7.0-testing/tools/libxl/libxl_device.c
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxl_device.c
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+++ xen-4.7.0-testing/tools/libxl/libxl_device.c
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@@ -293,7 +293,8 @@ static int disk_try_backend(disk_try_bac
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return backend;
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case LIBXL_DISK_BACKEND_QDISK:
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- if (a->disk->script) goto bad_script;
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+ LOG(DEBUG, "Disk vdev=%s, uses script=%s on %s backend",
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+ a->disk->vdev, a->disk->script, libxl_disk_backend_to_string(backend));
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return backend;
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default:
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Index: xen-4.7.0-testing/tools/libxl/libxl_dm.c
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxl_dm.c
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+++ xen-4.7.0-testing/tools/libxl/libxl_dm.c
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@@ -903,6 +903,30 @@ static char *qemu_disk_ide_drive_string(
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return drive;
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}
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+static void libxl__suse_node_to_path(libxl__gc *gc, int domid, const libxl_device_disk *dp, const char **pdev_path)
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+{
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+ libxl_ctx *ctx = libxl__gc_owner(gc);
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+ char *be_path, *node;
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+ libxl__device device;
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+ libxl_device_disk disk;
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+ int rc;
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+
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+ disk = *dp;
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+ rc = libxl__device_from_disk(gc, domid, &disk, &device);
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+ if (rc) {
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+ LIBXL__LOG(ctx, LIBXL__LOG_WARNING, "libxl__device_from_disk failed %d", rc);
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+ return;
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+ }
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+ be_path = libxl__device_backend_path(gc, &device);
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+
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+ node = libxl__xs_read(gc, XBT_NULL, libxl__sprintf(gc, "%s/node", be_path));
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+ if (!node)
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+ return;
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+
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+ LIBXL__LOG(ctx, LIBXL__LOG_WARNING, "replacing '%s' with '%s' from %s/node, just for qemu-xen", *pdev_path, node, be_path);
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+ *pdev_path = node;
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+}
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+
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static int libxl__build_device_model_args_new(libxl__gc *gc,
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const char *dm, int guest_domid,
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const libxl_domain_config *guest_config,
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@@ -1326,9 +1350,11 @@ static int libxl__build_device_model_arg
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libxl__device_disk_dev_number(disks[i].vdev, &disk, &part);
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const char *format;
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char *drive;
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- const char *target_path = NULL;
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+ const char *target_path = disks[i].pdev_path;
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int colo_mode;
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+ libxl__suse_node_to_path(gc, guest_domid, disks + i, &target_path);
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+
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if (dev_number == -1) {
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LOG(WARN, "unable to determine"" disk number for %s",
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disks[i].vdev);
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@@ -1369,7 +1395,7 @@ static int libxl__build_device_model_arg
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* the bootloader path.
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*/
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if (disks[i].backend == LIBXL_DISK_BACKEND_TAP)
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- target_path = libxl__blktap_devpath(gc, disks[i].pdev_path,
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+ target_path = libxl__blktap_devpath(gc, target_path,
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disks[i].format);
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else
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target_path = libxl__device_disk_find_local_path(gc,
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Index: xen-4.7.0-testing/tools/libxl/libxlu_disk_l.l
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===================================================================
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--- xen-4.7.0-testing.orig/tools/libxl/libxlu_disk_l.l
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+++ xen-4.7.0-testing/tools/libxl/libxlu_disk_l.l
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@@ -228,6 +228,8 @@ target=.* { STRIP(','); SAVESTRING("targ
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free(newscript);
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}
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+dmmd:/.* { DPC->had_depr_prefix=1; DEPRECATE(0); }
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+npiv:/.* { DPC->had_depr_prefix=1; DEPRECATE(0); }
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tapdisk:/.* { DPC->had_depr_prefix=1; DEPRECATE(0); }
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tap2?:/.* { DPC->had_depr_prefix=1; DEPRECATE(0); }
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aio:/.* { DPC->had_depr_prefix=1; DEPRECATE(0); }
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