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![]() In virtio-net's large packet mode, there is a hole in the space behind
buf.
hdr_padded_len - hdr_len
We must take this into account when calculating tailroom.
[ 44.544385] skb_put.cold (net/core/skbuff.c:5254 (discriminator 1) net/core/skbuff.c:5252 (discriminator 1))
[ 44.544864] page_to_skb (drivers/net/virtio_net.c:485) [ 44.545361] receive_buf (drivers/net/virtio_net.c:849 drivers/net/virtio_net.c:1131)
[ 44.545870] ? netif_receive_skb_list_internal (net/core/dev.c:5714)
[ 44.546628] ? dev_gro_receive (net/core/dev.c:6103)
[ 44.547135] ? napi_complete_done (./include/linux/list.h:35 net/core/dev.c:5867 net/core/dev.c:5862 net/core/dev.c:6565)
[ 44.547672] virtnet_poll (drivers/net/virtio_net.c:1427 drivers/net/virtio_net.c:1525)
[ 44.548251] __napi_poll (net/core/dev.c:6985)
[ 44.548744] net_rx_action (net/core/dev.c:7054 net/core/dev.c:7139)
[ 44.549264] __do_softirq (./arch/x86/include/asm/jump_label.h:19 ./include/linux/jump_label.h:200 ./include/trace/events/irq.h:142 kernel/softirq.c:560)
[ 44.549762] irq_exit_rcu (kernel/softirq.c:433 kernel/softirq.c:637 kernel/softirq.c:649)
[ 44.551384] common_interrupt (arch/x86/kernel/irq.c:240 (discriminator 13))
[ 44.551991] ? asm_common_interrupt (./arch/x86/include/asm/idtentry.h:638)
[ 44.552654] asm_common_interrupt (./arch/x86/include/asm/idtentry.h:638)
Fixes:
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---|---|---|
.. | ||
appletalk | ||
arcnet | ||
bonding | ||
caif | ||
can | ||
dsa | ||
ethernet | ||
fddi | ||
fjes | ||
hamradio | ||
hippi | ||
hyperv | ||
ieee802154 | ||
ipa | ||
ipvlan | ||
mdio | ||
mhi | ||
netdevsim | ||
pcs | ||
phy | ||
plip | ||
ppp | ||
slip | ||
team | ||
usb | ||
vmxnet3 | ||
wan | ||
wireguard | ||
wireless | ||
wwan | ||
xen-netback | ||
bareudp.c | ||
dummy.c | ||
eql.c | ||
geneve.c | ||
gtp.c | ||
ifb.c | ||
Kconfig | ||
LICENSE.SRC | ||
loopback.c | ||
macsec.c | ||
macvlan.c | ||
macvtap.c | ||
Makefile | ||
mdio.c | ||
mii.c | ||
net_failover.c | ||
netconsole.c | ||
nlmon.c | ||
ntb_netdev.c | ||
rionet.c | ||
sb1000.c | ||
Space.c | ||
sungem_phy.c | ||
tap.c | ||
thunderbolt.c | ||
tun.c | ||
veth.c | ||
virtio_net.c | ||
vrf.c | ||
vsockmon.c | ||
vxlan.c | ||
xen-netfront.c |