TencentOS
/
TencentOS-kernel
mirror of https://github.com/Tencent/TencentOS-kernel
0
0
Fork 4
Code Issues Projects Releases Wiki Activity
TencentOS-kernel/drivers/net
History
Jia-Ju Bai ba20d3fa91 p54: avoid accessing the data mapped to streaming DMA 
commit 478762855b5ae9f68fa6ead1edf7abada70fcd5f upstream.

In p54p_tx(), skb->data is mapped to streaming DMA on line 337:
  mapping = pci_map_single(..., skb->data, ...);

Then skb->data is accessed on line 349:
  desc->device_addr = ((struct p54_hdr *)skb->data)->req_id;

This access may cause data inconsistency between CPU cache and hardware.

To fix this problem, ((struct p54_hdr *)skb->data)->req_id is stored in
a local variable before DMA mapping, and then the driver accesses this
local variable instead of skb->data.

Cc: <stable@vger.kernel.org>
Signed-off-by: Jia-Ju Bai <baijiaju@tsinghua.edu.cn>
Acked-by: Christian Lamparter <chunkeey@gmail.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20200802132949.26788-1-baijiaju@tsinghua.edu.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2021-03-16 16:39:34 +08:00
..
appletalk Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
arcnet Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
bonding bonding: set dev->needed_headroom in bond_setup_by_slave() 2021-03-16 16:38:02 +08:00
caif Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
can can: flexcan: flexcan_chip_stop(): add error handling and propagate error value 2021-03-16 16:39:18 +08:00
dsa net: dsa: rtl8366rb: Support all 4096 VLANs 2021-03-16 16:38:40 +08:00
ethernet bnxt_en: Invoke cancel_delayed_work_sync() for PFs also. 2021-03-16 16:39:32 +08:00
fddi Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
fjes Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
hamradio yam: fix possible memory leak in yam_init_driver 2021-03-16 16:30:06 +08:00
hippi hippi: Fix a size used in a 'pci_free_consistent()' in an error handling path 2021-03-16 16:32:23 +08:00
hyperv hv_netvsc: Remove "unlikely" from netvsc_select_queue 2021-03-16 16:36:11 +08:00
ieee802154 ieee802154/adf7242: check status of adf7242_read_reg 2021-03-16 16:37:32 +08:00
ipvlan ipvlan: fix device features 2021-03-16 16:34:45 +08:00
netdevsim netdevsim: fix unbalaced locking in nsim_create() 2021-03-16 16:32:26 +08:00
phy mdio: fix mdio-thunder.c dependency & build error 2021-03-16 16:38:03 +08:00
plip Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ppp pppoe: only process PADT targeted at local interfaces 2021-03-16 16:27:47 +08:00
slip Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
team net: team: fix memory leak in __team_options_register 2021-03-16 16:38:00 +08:00
usb net: usb: qmi_wwan: add Cellient MPL200 card 2021-03-16 16:38:13 +08:00
vmxnet3 vmxnet3: use correct tcp hdr length when packet is encapsulated 2021-03-16 16:33:49 +08:00
wan net: hdlc_raw_eth: Clear the IFF_TX_SKB_SHARING flag after calling ether_setup 2021-03-16 16:38:17 +08:00
wimax wimax/i2400m: Fix potential urb refcnt leak 2021-03-16 16:27:27 +08:00
wireless p54: avoid accessing the data mapped to streaming DMA 2021-03-16 16:39:34 +08:00
xen-netback Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Kconfig Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
LICENSE.SRC Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Makefile Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
Space.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
dummy.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
eql.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
geneve.c geneve: add transport ports in route lookup for geneve 2021-03-16 16:36:25 +08:00
gtp.c gtp: fix an use-before-init in gtp_newlink() 2021-03-16 16:39:30 +08:00
ifb.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
loopback.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
macsec.c macsec: avoid use-after-free in macsec_handle_frame() 2021-03-16 16:37:58 +08:00
macvlan.c macvlan: validate setting of multiple remote source MAC addresses 2021-03-16 16:35:08 +08:00
macvtap.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mdio.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
mii.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
net_failover.c net_failover: fixed rollback in net_failover_open() 2021-03-16 16:28:54 +08:00
netconsole.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
nlmon.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
ntb_netdev.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
rionet.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sb1000.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
sungem_phy.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tap.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
thunderbolt.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
tun.c tun: correct header offsets in napi frags mode 2021-03-16 16:28:54 +08:00
veth.c veth: Adjust hard_start offset on redirect XDP frames 2021-03-16 16:29:32 +08:00
virtio_net.c virtio-net: don't disable guest csum when disable LRO 2021-03-16 16:38:03 +08:00
vrf.c vrf: Check skb for XFRM_TRANSFORMED flag 2021-03-16 16:26:53 +08:00
vsockmon.c Init Repo base on linux 5.4.32 long term, and add base tlinux kernel interfaces. 2021-03-16 11:01:34 +08:00
vxlan.c Revert "vxlan: fix tos value before xmit" 2021-03-16 16:33:10 +08:00
xen-netfront.c xen-netfront: fix potential deadlock in xennet_remove() 2021-03-16 16:32:57 +08:00