Lorenzo Bianconi ef2a7cf1d8 net: thunderx: set tso_hdrs pointer to NULL in nicvf_free_snd_queue ... Reset snd_queue tso_hdrs pointer to NULL in nicvf_free_snd_queue routine since it is used to check if tso dma descriptor queue has been previously allocated. The issue can be triggered with the following reproducer: $ip link set dev enP2p1s0v0 xdpdrv obj xdp_dummy.o $ip link set dev enP2p1s0v0 xdpdrv off [ 341.467649] WARNING: CPU: 74 PID: 2158 at mm/vmalloc.c:1511 __vunmap+0x98/0xe0 [ 341.515010] Hardware name: GIGABYTE H270-T70/MT70-HD0, BIOS T49 02/02/2018 [ 341.521874] pstate: 60400005 (nZCv daif +PAN -UAO) [ 341.526654] pc : __vunmap+0x98/0xe0 [ 341.530132] lr : __vunmap+0x98/0xe0 [ 341.533609] sp : ffff00001c5db860 [ 341.536913] x29: ffff00001c5db860 x28: 0000000000020000 [ 341.542214] x27: ffff810feb5090b0 x26: ffff000017e57000 [ 341.547515] x25: 0000000000000000 x24: 00000000fbd00000 [ 341.552816] x23: 0000000000000000 x22: ffff810feb5090b0 [ 341.558117] x21: 0000000000000000 x20: 0000000000000000 [ 341.563418] x19: ffff000017e57000 x18: 0000000000000000 [ 341.568719] x17: 0000000000000000 x16: 0000000000000000 [ 341.574020] x15: 0000000000000010 x14: ffffffffffffffff [ 341.579321] x13: ffff00008985eb27 x12: ffff00000985eb2f [ 341.584622] x11: ffff0000096b3000 x10: ffff00001c5db510 [ 341.589923] x9 : 00000000ffffffd0 x8 : ffff0000086868e8 [ 341.595224] x7 : 3430303030303030 x6 : 00000000000006ef [ 341.600525] x5 : 00000000003fffff x4 : 0000000000000000 [ 341.605825] x3 : 0000000000000000 x2 : ffffffffffffffff [ 341.611126] x1 : ffff0000096b3728 x0 : 0000000000000038 [ 341.616428] Call trace: [ 341.618866] __vunmap+0x98/0xe0 [ 341.621997] vunmap+0x3c/0x50 [ 341.624961] arch_dma_free+0x68/0xa0 [ 341.628534] dma_direct_free+0x50/0x80 [ 341.632285] nicvf_free_resources+0x160/0x2d8 [nicvf] [ 341.637327] nicvf_config_data_transfer+0x174/0x5e8 [nicvf] [ 341.642890] nicvf_stop+0x298/0x340 [nicvf] [ 341.647066] __dev_close_many+0x9c/0x108 [ 341.650977] dev_close_many+0xa4/0x158 [ 341.654720] rollback_registered_many+0x140/0x530 [ 341.659414] rollback_registered+0x54/0x80 [ 341.663499] unregister_netdevice_queue+0x9c/0xe8 [ 341.668192] unregister_netdev+0x28/0x38 [ 341.672106] nicvf_remove+0xa4/0xa8 [nicvf] [ 341.676280] nicvf_shutdown+0x20/0x30 [nicvf] [ 341.680630] pci_device_shutdown+0x44/0x88 [ 341.684720] device_shutdown+0x144/0x250 [ 341.688640] kernel_restart_prepare+0x44/0x50 [ 341.692986] kernel_restart+0x20/0x68 [ 341.696638] __se_sys_reboot+0x210/0x238 [ 341.700550] __arm64_sys_reboot+0x24/0x30 [ 341.704555] el0_svc_handler+0x94/0x110 [ 341.708382] el0_svc+0x8/0xc [ 341.711252] ---[ end trace 3f4019c8439959c9 ]--- [ 341.715874] page:ffff7e0003ef4000 count:0 mapcount:0 mapping:0000000000000000 index:0x4 [ 341.723872] flags: 0x1fffe000000000() [ 341.727527] raw: 001fffe000000000 ffff7e0003f1a008 ffff7e0003ef4048 0000000000000000 [ 341.735263] raw: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000 [ 341.742994] page dumped because: VM_BUG_ON_PAGE(page_ref_count(page) == 0) where xdp_dummy.c is a simple bpf program that forwards the incoming frames to the network stack (available here: https://github.com/altoor/xdp_walkthrough_examples/blob/master/sample_1/xdp_dummy.c) Fixes: 05c773f52b ("net: thunderx: Add basic XDP support") Fixes: 4863dea3fa ("net: Adding support for Cavium ThunderX network controller") Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>		2018-11-23 22:31:56 -08:00
..
3com
8390	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
adaptec
aeroflex	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
agere	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
alacritech	net: ethernet: slicoss: remove duplicated include from slic.h	2018-09-18 19:57:40 -07:00
allwinner	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
alteon
altera	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
amazon	net: ena: update driver version from 2.0.1 to 2.0.2	2018-11-19 15:13:00 -08:00
amd	net: amd: add missing of_node_put()	2018-11-23 17:24:24 -08:00
apm	net: ethernet: Add helper to determine if pause configuration is supported	2018-09-12 20:24:21 -07:00
apple	net: apple: fix return type of ndo_start_xmit function	2018-09-21 19:15:15 -07:00
aquantia	net: aquantia: allow rx checksum offload configuration	2018-11-09 15:38:10 -08:00
arc
atheros	net: alx: make alx_drv_name static	2018-11-05 17:12:58 -08:00
aurora	net: ethernet: Add helper for set_pauseparam for Asym Pause	2018-09-12 20:24:21 -07:00
broadcom	tg3: Add PHY reset for 5717/5719/5720 in change ring and flow control paths	2018-11-20 10:18:05 -08:00
brocade	bna: Remove unnecessary self assignment	2018-09-21 19:02:05 -07:00
cadence	net: ethernet: cadence: fix socket buffer corruption problem	2018-10-25 11:32:24 -07:00
calxeda
cavium	net: thunderx: set tso_hdrs pointer to NULL in nicvf_free_snd_queue	2018-11-23 22:31:56 -08:00
chelsio	cxgb4: fix thermal zone build error	2018-11-15 09:49:07 -08:00
cirrus	net: cirrus: fix return type of ndo_start_xmit function	2018-09-21 19:15:14 -07:00
cisco
cortina	net: ethernet: Add helper for MACs which support asym pause	2018-09-12 20:24:21 -07:00
davicom	net: ethernet: davicom: dm9000: simplify getting .driver_data	2018-10-21 21:10:12 -07:00
dec
dlink
emulex	pci-v4.20-changes	2018-10-25 06:50:48 -07:00
ezchip
faraday	net: faraday: ftmac100: remove netif_running(netdev) check before disabling interrupts	2018-11-21 16:57:39 -08:00
freescale	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2018-10-19 11:03:06 -07:00
fujitsu
hisilicon	net: hns3: bugfix for not checking return value	2018-11-08 16:23:49 -08:00
hp	net: hp100: fix always-true check for link up state	2018-09-17 07:55:19 -07:00
huawei	hinic: Fix l4_type parameter in hinic_task_set_tunnel_l4	2018-10-29 20:43:40 -07:00
i825xx	net: i825xx: fix return type of ndo_start_xmit function	2018-09-21 19:15:15 -07:00
ibm	ibmvnic: Update driver queues after change in ring size support	2018-11-22 11:53:25 -08:00
intel	i40e: enable NETIF_F_NTUPLE and NETIF_F_HW_TC at driver load	2018-11-07 10:32:15 -08:00
marvell	net: mvneta: Don't advertise 2.5G modes	2018-11-16 19:23:45 -08:00
mediatek	net: phy: Add helper for advertise to lcl value	2018-10-01 22:55:36 -07:00
mellanox	mlx5-fixes-2018-11-19	2018-11-19 19:04:33 -08:00
micrel	net: micrel: fix return type of ndo_start_xmit function	2018-09-21 19:11:39 -07:00
microchip	lan743x: Remove SPI dependency from Microchip group.	2018-10-25 16:20:48 -07:00
moxa
mscc	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net	2018-10-19 11:03:06 -07:00
myricom	drivers: net: remove <net/busy_poll.h> inclusion when not needed	2018-10-25 16:20:02 -07:00
natsemi
neterion	net: neterion: vxge: Remove unnecessary parentheses	2018-09-21 19:00:09 -07:00
netronome	Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next	2018-10-21 21:11:46 -07:00
ni	net: nixge: Address compiler warnings when building for i386	2018-10-01 22:48:08 -07:00
nuvoton
nvidia
nxp	net: ethernet: lpc_eth: add device and device node local variables	2018-10-19 17:04:38 -07:00
oki-semi
packetengines
pasemi
qlogic	qed: Fix QM getters to always return a valid pq	2018-11-19 18:38:15 -08:00
qualcomm	net: qualcomm: rmnet: Fix incorrect assignment of real_dev	2018-11-09 19:45:48 -08:00
rdc	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
realtek	r8169: fix broken Wake-on-LAN from S5 (poweroff)	2018-10-25 16:15:23 -07:00
renesas	Merge ra.kernel.org:/pub/scm/linux/kernel/git/davem/net	2018-09-25 10:35:29 -07:00
rocker	rocker: Drop pointless static qualifier	2018-10-19 10:42:19 -07:00
samsung	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
seeq	net: seeq: fix return type of ndo_start_xmit function	2018-09-21 19:15:14 -07:00
sfc	pci-v4.20-changes	2018-10-25 06:50:48 -07:00
sgi	net: sgi: fix return type of ndo_start_xmit function	2018-09-21 19:15:14 -07:00
silan
sis
smsc	net: ethernet: smsc: smc91x: simplify getting .driver_data	2018-10-21 21:10:12 -07:00
socionext	net: socionext: Reset tx queue in ndo_stop	2018-10-23 10:55:35 -07:00
stmicro	net: stmmac: Fix RX packet size > 8191	2018-11-08 19:47:44 -08:00
sun	net: sun: fix return type of ndo_start_xmit function	2018-09-19 21:17:58 -07:00
synopsys
tehuti
ti	net: ethernet: ti: cpsw: unsync mcast entries while switch promisc mode	2018-10-22 20:20:14 -07:00
toshiba	net: toshiba: remove a redundant local variable 'index_specified'	2018-09-19 23:08:36 -07:00
tundra
via
wiznet	net: ethernet: wiznet: w5300: simplify getting .driver_data	2018-10-21 21:10:12 -07:00
xilinx	net: xilinx: fix return type of ndo_start_xmit function	2018-09-19 21:17:58 -07:00
xircom
xscale
dnet.c	net: ethernet: Add helper for MACs which support asym pause	2018-09-12 20:24:21 -07:00
dnet.h
ec_bhf.c
ethoc.c	net: ethernet: Use phy_set_max_speed() to limit advertised speed	2018-09-12 20:24:20 -07:00
fealnx.c
jme.c
jme.h
Kconfig	net: lantiq: Add Lantiq / Intel VRX200 Ethernet driver	2018-09-13 08:14:33 -07:00
korina.c
lantiq_etop.c	MIPS: lantiq: Do not enable IRQs in dma open	2018-09-13 08:14:33 -07:00
lantiq_xrx200.c	net: lantiq: Fix returned value in case of error in 'xrx200_probe()'	2018-11-16 19:46:49 -08:00
Makefile	net: lantiq: Add Lantiq / Intel VRX200 Ethernet driver	2018-09-13 08:14:33 -07:00
netx-eth.c