------------[ cut here ]------------
WARNING: CPU: 0 PID: 5946 at include/linux/skbuff.h:2875 skb_mac_header include/linux/skbuff.h:2875 [inline]
WARNING: CPU: 0 PID: 5946 at include/linux/skbuff.h:2875 ip6erspan_tunnel_xmit+0x1148/0x1968 net/ipv6/ip6_gre.c:962
Modules linked in:
CPU: 0 PID: 5946 Comm: syz-executor326 Not tainted 6.3.0-rc1-syzkaller-gfe15c26ee26e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/02/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : skb_mac_header include/linux/skbuff.h:2875 [inline]
pc : ip6erspan_tunnel_xmit+0x1148/0x1968 net/ipv6/ip6_gre.c:962
lr : skb_mac_header include/linux/skbuff.h:2875 [inline]
lr : ip6erspan_tunnel_xmit+0x1148/0x1968 net/ipv6/ip6_gre.c:962
sp : ffff80001e197460
x29: ffff80001e197620 x28: 1fffe0001a27d63f x27: 00000000000000d0
x26: dfff800000000000 x25: ffff0000d2243900 x24: 000000000000ffff
x23: ffff0000d13eb1fa x22: ffff0000d13eb1b0 x21: 1fffe0001a27d636
x20: 000000000000ffff x19: ffff0000d13eb140 x18: ffff80001e197380
x17: 0000000000000000 x16: ffff8000085110b0 x15: 000000000000b87b
x14: 00000000ffffffff x13: dfff800000000000 x12: 000000000000000c
x11: ff8080001137ddfc x10: 0000000000000000 x9 : ffff80001137ddfc
x8 : ffff0000cc01b680 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020
x2 : ffff0000c9424cd0 x1 : 000000000000ffff x0 : 000000000000ffff
Call trace:
 skb_mac_header include/linux/skbuff.h:2875 [inline]
 ip6erspan_tunnel_xmit+0x1148/0x1968 net/ipv6/ip6_gre.c:962
 __netdev_start_xmit include/linux/netdevice.h:4881 [inline]
 netdev_start_xmit include/linux/netdevice.h:4895 [inline]
 __dev_direct_xmit+0x468/0x830 net/core/dev.c:4302
 dev_direct_xmit include/linux/netdevice.h:3064 [inline]
 packet_direct_xmit+0x15c/0x2d0 net/packet/af_packet.c:282
 packet_snd net/packet/af_packet.c:3073 [inline]
 packet_sendmsg+0x3604/0x4c54 net/packet/af_packet.c:3104
 sock_sendmsg_nosec net/socket.c:722 [inline]
 sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x3b4/0x538 net/socket.c:2145
 __do_sys_sendto net/socket.c:2157 [inline]
 __se_sys_sendto net/socket.c:2153 [inline]
 __arm64_sys_sendto+0xd8/0xf8 net/socket.c:2153
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
irq event stamp: 2357
hardirqs last  enabled at (2355): [<ffff800012543b48>] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline]
hardirqs last  enabled at (2355): [<ffff800012543b48>] _raw_spin_unlock_irqrestore+0x44/0xa4 kernel/locking/spinlock.c:194
hardirqs last disabled at (2357): [<ffff80001245e098>] el1_dbg+0x24/0x80 arch/arm64/kernel/entry-common.c:405
softirqs last  enabled at (2340): [<ffff800008034240>] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32
softirqs last disabled at (2356): [<ffff8000106dbb38>] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19
---[ end trace 0000000000000000 ]---