diff options
Diffstat (limited to 'meta/recipes-devtools/qemu/qemu/CVE-2020-27617.patch')
-rw-r--r-- | meta/recipes-devtools/qemu/qemu/CVE-2020-27617.patch | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/meta/recipes-devtools/qemu/qemu/CVE-2020-27617.patch b/meta/recipes-devtools/qemu/qemu/CVE-2020-27617.patch new file mode 100644 index 0000000000..7bfc2beecb --- /dev/null +++ b/meta/recipes-devtools/qemu/qemu/CVE-2020-27617.patch @@ -0,0 +1,49 @@ +From 7564bf7701f00214cdc8a678a9f7df765244def1 Mon Sep 17 00:00:00 2001 +From: Prasad J Pandit <pjp@fedoraproject.org> +Date: Wed, 21 Oct 2020 11:35:50 +0530 +Subject: [PATCH] net: remove an assert call in eth_get_gso_type + +eth_get_gso_type() routine returns segmentation offload type based on +L3 protocol type. It calls g_assert_not_reached if L3 protocol is +unknown, making the following return statement unreachable. Remove the +g_assert call, it maybe triggered by a guest user. + +Reported-by: Gaoning Pan <pgn@zju.edu.cn> +Signed-off-by: Prasad J Pandit <pjp@fedoraproject.org> +Signed-off-by: Jason Wang <jasowang@redhat.com> + +Upsteram-Status: Backport +CVE: CVE-2020-27617 +Signed-off-by: Armin Kuster <akuster@mvista.com> + +--- + net/eth.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/net/eth.c b/net/eth.c +index 0c1d413ee2..1e0821c5f8 100644 +--- a/net/eth.c ++++ b/net/eth.c +@@ -16,6 +16,7 @@ + */ + + #include "qemu/osdep.h" ++#include "qemu/log.h" + #include "net/eth.h" + #include "net/checksum.h" + #include "net/tap.h" +@@ -71,9 +72,8 @@ eth_get_gso_type(uint16_t l3_proto, uint8_t *l3_hdr, uint8_t l4proto) + return VIRTIO_NET_HDR_GSO_TCPV6 | ecn_state; + } + } +- +- /* Unsupported offload */ +- g_assert_not_reached(); ++ qemu_log_mask(LOG_UNIMP, "%s: probably not GSO frame, " ++ "unknown L3 protocol: 0x%04"PRIx16"\n", __func__, l3_proto); + + return VIRTIO_NET_HDR_GSO_NONE | ecn_state; + } +-- +2.25.1 + |