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Diffstat (limited to 'app-emulation/qemu/files/qemu-2.9.0-CVE-2017-9503-2.patch')
-rw-r--r--app-emulation/qemu/files/qemu-2.9.0-CVE-2017-9503-2.patch114
1 files changed, 0 insertions, 114 deletions
diff --git a/app-emulation/qemu/files/qemu-2.9.0-CVE-2017-9503-2.patch b/app-emulation/qemu/files/qemu-2.9.0-CVE-2017-9503-2.patch
deleted file mode 100644
index 74725a927364..000000000000
--- a/app-emulation/qemu/files/qemu-2.9.0-CVE-2017-9503-2.patch
+++ /dev/null
@@ -1,114 +0,0 @@
-From 5104fac8539eaf155fc6de93e164be43e1e62242 Mon Sep 17 00:00:00 2001
-From: Paolo Bonzini <pbonzini@redhat.com>
-Date: Thu, 1 Jun 2017 17:18:23 +0200
-Subject: [PATCH] megasas: do not read DCMD opcode more than once from frame
-
-Avoid TOC-TOU bugs by storing the DCMD opcode in the MegasasCmd
-
-Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
----
- hw/scsi/megasas.c | 25 +++++++++++--------------
- 1 file changed, 11 insertions(+), 14 deletions(-)
-
-diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c
-index c353118882..a3f75c1650 100644
---- a/hw/scsi/megasas.c
-+++ b/hw/scsi/megasas.c
-@@ -63,6 +63,7 @@ typedef struct MegasasCmd {
-
- hwaddr pa;
- hwaddr pa_size;
-+ uint32_t dcmd_opcode;
- union mfi_frame *frame;
- SCSIRequest *req;
- QEMUSGList qsg;
-@@ -513,6 +514,7 @@ static MegasasCmd *megasas_enqueue_frame(MegasasState *s,
- cmd->context &= (uint64_t)0xFFFFFFFF;
- }
- cmd->count = count;
-+ cmd->dcmd_opcode = -1;
- s->busy++;
-
- if (s->consumer_pa) {
-@@ -1562,22 +1564,21 @@ static const struct dcmd_cmd_tbl_t {
-
- static int megasas_handle_dcmd(MegasasState *s, MegasasCmd *cmd)
- {
-- int opcode;
- int retval = 0;
- size_t len;
- const struct dcmd_cmd_tbl_t *cmdptr = dcmd_cmd_tbl;
-
-- opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
-- trace_megasas_handle_dcmd(cmd->index, opcode);
-+ cmd->dcmd_opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
-+ trace_megasas_handle_dcmd(cmd->index, cmd->dcmd_opcode);
- if (megasas_map_dcmd(s, cmd) < 0) {
- return MFI_STAT_MEMORY_NOT_AVAILABLE;
- }
-- while (cmdptr->opcode != -1 && cmdptr->opcode != opcode) {
-+ while (cmdptr->opcode != -1 && cmdptr->opcode != cmd->dcmd_opcode) {
- cmdptr++;
- }
- len = cmd->iov_size;
- if (cmdptr->opcode == -1) {
-- trace_megasas_dcmd_unhandled(cmd->index, opcode, len);
-+ trace_megasas_dcmd_unhandled(cmd->index, cmd->dcmd_opcode, len);
- retval = megasas_dcmd_dummy(s, cmd);
- } else {
- trace_megasas_dcmd_enter(cmd->index, cmdptr->desc, len);
-@@ -1592,13 +1593,11 @@ static int megasas_handle_dcmd(MegasasState *s, MegasasCmd *cmd)
- static int megasas_finish_internal_dcmd(MegasasCmd *cmd,
- SCSIRequest *req)
- {
-- int opcode;
- int retval = MFI_STAT_OK;
- int lun = req->lun;
-
-- opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
-- trace_megasas_dcmd_internal_finish(cmd->index, opcode, lun);
-- switch (opcode) {
-+ trace_megasas_dcmd_internal_finish(cmd->index, cmd->dcmd_opcode, lun);
-+ switch (cmd->dcmd_opcode) {
- case MFI_DCMD_PD_GET_INFO:
- retval = megasas_pd_get_info_submit(req->dev, lun, cmd);
- break;
-@@ -1606,7 +1605,7 @@ static int megasas_finish_internal_dcmd(MegasasCmd *cmd,
- retval = megasas_ld_get_info_submit(req->dev, lun, cmd);
- break;
- default:
-- trace_megasas_dcmd_internal_invalid(cmd->index, opcode);
-+ trace_megasas_dcmd_internal_invalid(cmd->index, cmd->dcmd_opcode);
- retval = MFI_STAT_INVALID_DCMD;
- break;
- }
-@@ -1827,7 +1826,6 @@ static void megasas_xfer_complete(SCSIRequest *req, uint32_t len)
- {
- MegasasCmd *cmd = req->hba_private;
- uint8_t *buf;
-- uint32_t opcode;
-
- trace_megasas_io_complete(cmd->index, len);
-
-@@ -1837,8 +1835,7 @@ static void megasas_xfer_complete(SCSIRequest *req, uint32_t len)
- }
-
- buf = scsi_req_get_buf(req);
-- opcode = le32_to_cpu(cmd->frame->dcmd.opcode);
-- if (opcode == MFI_DCMD_PD_GET_INFO && cmd->iov_buf) {
-+ if (cmd->dcmd_opcode == MFI_DCMD_PD_GET_INFO && cmd->iov_buf) {
- struct mfi_pd_info *info = cmd->iov_buf;
-
- if (info->inquiry_data[0] == 0x7f) {
-@@ -1849,7 +1846,7 @@ static void megasas_xfer_complete(SCSIRequest *req, uint32_t len)
- memcpy(info->vpd_page83, buf, len);
- }
- scsi_req_continue(req);
-- } else if (opcode == MFI_DCMD_LD_GET_INFO) {
-+ } else if (cmd->dcmd_opcode == MFI_DCMD_LD_GET_INFO) {
- struct mfi_ld_info *info = cmd->iov_buf;
-
- if (cmd->iov_buf) {
---
-2.13.0
-