diff options
Diffstat (limited to 'app-emulation/qemu/files/qemu-2.7.0-CVE-2016-7421.patch')
| -rw-r--r-- | app-emulation/qemu/files/qemu-2.7.0-CVE-2016-7421.patch | 34 |
1 files changed, 0 insertions, 34 deletions
diff --git a/app-emulation/qemu/files/qemu-2.7.0-CVE-2016-7421.patch b/app-emulation/qemu/files/qemu-2.7.0-CVE-2016-7421.patch deleted file mode 100644 index b9f354537a7..00000000000 --- a/app-emulation/qemu/files/qemu-2.7.0-CVE-2016-7421.patch +++ /dev/null @@ -1,34 +0,0 @@ -From: Prasad J Pandit <address@hidden> - -Vmware Paravirtual SCSI emulator while processing IO requests -could run into an infinite loop if 'pvscsi_ring_pop_req_descr' -always returned positive value. Limit IO loop to the ring size. - -Cc: address@hidden -Reported-by: Li Qiang <address@hidden> -Signed-off-by: Prasad J Pandit <address@hidden> -Message-Id: <address@hidden> -Signed-off-by: Paolo Bonzini <address@hidden> ---- - hw/scsi/vmw_pvscsi.c | 5 ++++- - 1 file changed, 4 insertions(+), 1 deletion(-) - -diff --git a/hw/scsi/vmw_pvscsi.c b/hw/scsi/vmw_pvscsi.c -index babac5a..a5ce7de 100644 ---- a/hw/scsi/vmw_pvscsi.c -+++ b/hw/scsi/vmw_pvscsi.c -@@ -247,8 +247,11 @@ static hwaddr - pvscsi_ring_pop_req_descr(PVSCSIRingInfo *mgr) - { - uint32_t ready_ptr = RS_GET_FIELD(mgr, reqProdIdx); -+ uint32_t ring_size = PVSCSI_MAX_NUM_PAGES_REQ_RING -+ * PVSCSI_MAX_NUM_REQ_ENTRIES_PER_PAGE; - -- if (ready_ptr != mgr->consumed_ptr) { -+ if (ready_ptr != mgr->consumed_ptr -+ && ready_ptr - mgr->consumed_ptr < ring_size) { - uint32_t next_ready_ptr = - mgr->consumed_ptr++ & mgr->txr_len_mask; - uint32_t next_ready_page = --- -1.8.3.1 |