hsr0: VLAN not yet supported ===================================================== BUG: KMSAN: uninit-value in hsr_fill_frame_info+0x495/0x770 net/hsr/hsr_forward.c:526 hsr_fill_frame_info+0x495/0x770 net/hsr/hsr_forward.c:526 fill_frame_info net/hsr/hsr_forward.c:602 [inline] hsr_forward_skb+0x793/0x3470 net/hsr/hsr_forward.c:616 hsr_dev_xmit+0x223/0x390 net/hsr/hsr_device.c:222 __netdev_start_xmit include/linux/netdevice.h:4994 [inline] netdev_start_xmit include/linux/netdevice.h:5008 [inline] xmit_one+0x2f4/0x840 net/core/dev.c:3590 dev_hard_start_xmit+0x186/0x440 net/core/dev.c:3606 __dev_queue_xmit+0x2104/0x3290 net/core/dev.c:4229 dev_queue_xmit+0x4b/0x60 net/core/dev.c:4262 packet_snd net/packet/af_packet.c:3052 [inline] packet_sendmsg+0x8847/0x9b60 net/packet/af_packet.c:3079 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] __sys_sendto+0x9ef/0xc70 net/socket.c:2036 __do_sys_sendto net/socket.c:2048 [inline] __se_sys_sendto net/socket.c:2044 [inline] __x64_sys_sendto+0x19c/0x210 net/socket.c:2044 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae Uninit was created at: slab_post_alloc_hook mm/slab.h:524 [inline] slab_alloc_node mm/slub.c:3251 [inline] __kmalloc_node_track_caller+0xe0c/0x1510 mm/slub.c:4974 kmalloc_reserve net/core/skbuff.c:354 [inline] __alloc_skb+0x545/0xf90 net/core/skbuff.c:426 alloc_skb include/linux/skbuff.h:1126 [inline] alloc_skb_with_frags+0x1db/0xbc0 net/core/skbuff.c:6078 sock_alloc_send_pskb+0xdf4/0xfc0 net/core/sock.c:2575 packet_alloc_skb net/packet/af_packet.c:2900 [inline] packet_snd net/packet/af_packet.c:2995 [inline] packet_sendmsg+0x6885/0x9b60 net/packet/af_packet.c:3079 sock_sendmsg_nosec net/socket.c:704 [inline] sock_sendmsg net/socket.c:724 [inline] __sys_sendto+0x9ef/0xc70 net/socket.c:2036 __do_sys_sendto net/socket.c:2048 [inline] __se_sys_sendto net/socket.c:2044 [inline] __x64_sys_sendto+0x19c/0x210 net/socket.c:2044 do_syscall_x64 arch/x86/entry/common.c:51 [inline] do_syscall_64+0x54/0xd0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x44/0xae CPU: 1 PID: 19940 Comm: syz-executor.5 Not tainted 5.16.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 =====================================================