8021q: adding VLAN 0 to HW filter on device bond0
eql: remember to turn off Van-Jacobson compression on your slave devices
=====================================================
BUG: KMSAN: use-after-free in vring_map_one_sg+0x290/0x7b0 drivers/virtio/virtio_ring.c:401
vring_map_one_sg+0x290/0x7b0 drivers/virtio/virtio_ring.c:401
virtqueue_add_split drivers/virtio/virtio_ring.c:608 [inline]
virtqueue_add+0x32aa/0x6320 drivers/virtio/virtio_ring.c:2281
virtqueue_add_outbuf+0x89/0xa0 drivers/virtio/virtio_ring.c:2342
virtnet_add_outbuf drivers/net/virtio_net.c:574 [inline]
xmit_skb drivers/net/virtio_net.c:3343 [inline]
start_xmit+0x274d/0x4860 drivers/net/virtio_net.c:3367
__netdev_start_xmit include/linux/netdevice.h:5248 [inline]
netdev_start_xmit include/linux/netdevice.h:5257 [inline]
xmit_one net/core/dev.c:3845 [inline]
dev_hard_start_xmit+0x22c/0xa30 net/core/dev.c:3861
sch_direct_xmit+0x3b2/0xcf0 net/sched/sch_generic.c:344
__dev_xmit_skb net/core/dev.c:4152 [inline]
__dev_queue_xmit+0x3588/0x5e60 net/core/dev.c:4729
dev_queue_xmit include/linux/netdevice.h:3365 [inline]
lapbeth_data_transmit+0x352/0x480 drivers/net/wan/lapbether.c:260
lapb_data_transmit+0x90/0xf0 net/lapb/lapb_iface.c:447
lapb_transmit_buffer+0x260/0x330 net/lapb/lapb_out.c:149
lapb_send_control+0x458/0x5b0 net/lapb/lapb_subr.c:251
lapb_establish_data_link+0xa6/0xd0 net/lapb/lapb_out.c:-1
lapb_device_event+0xb2a/0xbc0 net/lapb/lapb_iface.c:-1
notifier_call_chain kernel/notifier.c:85 [inline]
raw_notifier_call_chain+0xe0/0x410 kernel/notifier.c:453
call_netdevice_notifiers_info+0x1ac/0x2b0 net/core/dev.c:2229
call_netdevice_notifiers_extack net/core/dev.c:2267 [inline]
call_netdevice_notifiers net/core/dev.c:2281 [inline]
__dev_notify_flags+0x20d/0x3c0 net/core/dev.c:-1
netif_change_flags+0x162/0x1e0 net/core/dev.c:9705
dev_change_flags+0x18c/0x320 net/core/dev_api.c:68
devinet_ioctl+0x1186/0x2500 net/ipv4/devinet.c:1199
inet_ioctl+0x4c0/0x6f0 net/ipv4/af_inet.c:1003
sock_do_ioctl+0x9c/0x480 net/socket.c:1254
sock_ioctl+0x70b/0xd60 net/socket.c:1375
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:597 [inline]
__se_sys_ioctl+0x239/0x400 fs/ioctl.c:583
__x64_sys_ioctl+0x97/0xe0 fs/ioctl.c:583
x64_sys_call+0x1cbc/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:17
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Uninit was created at:
slab_free_hook mm/slub.c:2440 [inline]
slab_free mm/slub.c:6566 [inline]
kmem_cache_free+0x2b0/0x1490 mm/slub.c:6676
skb_kfree_head net/core/skbuff.c:1046 [inline]
skb_free_head+0x13c/0x3a0 net/core/skbuff.c:1060
skb_release_data+0x9f7/0xac0 net/core/skbuff.c:1087
skb_release_all net/core/skbuff.c:1152 [inline]
__kfree_skb+0x6b/0x260 net/core/skbuff.c:1166
consume_skb+0x83/0x230 net/core/skbuff.c:1398
skb_free_datagram+0x1e/0x30 net/core/datagram.c:324
netlink_recvmsg+0xad1/0xfe0 net/netlink/af_netlink.c:1974
sock_recvmsg_nosec net/socket.c:1078 [inline]
sock_recvmsg+0x2dc/0x390 net/socket.c:1100
____sys_recvmsg+0x193/0x610 net/socket.c:2850
___sys_recvmsg+0x20b/0x850 net/socket.c:2892
__sys_recvmsg net/socket.c:2925 [inline]
__do_sys_recvmsg net/socket.c:2931 [inline]
__se_sys_recvmsg net/socket.c:2928 [inline]
__x64_sys_recvmsg+0x20e/0x3d0 net/socket.c:2928
x64_sys_call+0x35f0/0x3e30 arch/x86/include/generated/asm/syscalls_64.h:48
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xd9/0x210 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Bytes 0-17 of 18 are uninitialized
Memory access of size 18 starts at ffff88811a0f1000
CPU: 1 UID: 0 PID: 5441 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(none)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025
=====================================================