------------[ cut here ]------------
kernel BUG at net/core/dev.c:3242!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 10894 Comm: syz-executor.3 Not tainted 5.15.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:skb_checksum_help+0x4ad/0x5b0 net/core/dev.c:3242
Code: 41 5f c3 e8 d5 d9 59 fa 45 89 ec e9 59 ff ff ff e8 c8 d9 59 fa 48 89 ef 41 bc ea ff ff ff e8 2a f9 ff ff eb c7 e8 b3 d9 59 fa <0f> 0b e8 ac d9 59 fa 0f 0b 4c 89 f7 e8 22 47 a0 fa e9 79 fb ff ff
RSP: 0018:ffffc90004a6f3a8 EFLAGS: 00010212
RAX: 000000000002071a RBX: 0000000000000062 RCX: ffffc9000ffe5000
RDX: 0000000000040000 RSI: ffffffff871d98dd RDI: 0000000000000003
RBP: ffff88807d7ed3c0 R08: 0000000000000044 R09: 0000000000000000
R10: ffffffff871d96df R11: 0000000000000000 R12: ffff88807d7ed434
R13: 0000000000000003 R14: ffff88807d7ed440 R15: 0000000000000052
FS:  00007f686a464700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32621000 CR3: 0000000079670000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ip6_fragment+0x14a0/0x2700 net/ipv6/ip6_output.c:860
 ip6_finish_output_gso_slowpath_drop net/ipv6/ip6_output.c:162 [inline]
 __ip6_finish_output net/ipv6/ip6_output.c:184 [inline]
 __ip6_finish_output+0xc5b/0x1050 net/ipv6/ip6_output.c:170
 ip6_finish_output+0x32/0x200 net/ipv6/ip6_output.c:201
 NF_HOOK_COND include/linux/netfilter.h:296 [inline]
 ip6_output+0x1e4/0x530 net/ipv6/ip6_output.c:224
 dst_output include/net/dst.h:450 [inline]
 ip6_local_out+0xaf/0x1a0 net/ipv6/output_core.c:161
 ipvlan_process_v6_outbound drivers/net/ipvlan/ipvlan_core.c:478 [inline]
 ipvlan_process_outbound drivers/net/ipvlan/ipvlan_core.c:523 [inline]
 ipvlan_xmit_mode_l3 drivers/net/ipvlan/ipvlan_core.c:587 [inline]
 ipvlan_queue_xmit+0x14c7/0x19d0 drivers/net/ipvlan/ipvlan_core.c:650
 ipvlan_start_xmit+0x45/0x190 drivers/net/ipvlan/ipvlan_main.c:222
 __netdev_start_xmit include/linux/netdevice.h:4987 [inline]
 netdev_start_xmit include/linux/netdevice.h:5001 [inline]
 xmit_one net/core/dev.c:3590 [inline]
 dev_hard_start_xmit+0x1eb/0x920 net/core/dev.c:3606
 __dev_queue_xmit+0x299a/0x3630 net/core/dev.c:4226
 packet_snd net/packet/af_packet.c:3052 [inline]
 packet_sendmsg+0x220b/0x52a0 net/packet/af_packet.c:3079
 sock_sendmsg_nosec net/socket.c:704 [inline]
 sock_sendmsg+0xcf/0x120 net/socket.c:724
 __sys_sendto+0x21c/0x320 net/socket.c:2036
 __do_sys_sendto net/socket.c:2048 [inline]
 __se_sys_sendto net/socket.c:2044 [inline]
 __x64_sys_sendto+0xdd/0x1b0 net/socket.c:2044
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f686ceeeae9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f686a464188 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007f686d001f60 RCX: 00007f686ceeeae9
RDX: 0000000000003287 RSI: 0000000020000080 RDI: 0000000000000003
RBP: 00007f686cf48f6d R08: 0000000000000000 R09: 00000000000002ff
R10: 0000000004000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffca651f9cf R14: 00007f686a464300 R15: 0000000000022000
 </TASK>
Modules linked in:
---[ end trace ec8d3b566bc0aee5 ]---
RIP: 0010:skb_checksum_help+0x4ad/0x5b0 net/core/dev.c:3242
Code: 41 5f c3 e8 d5 d9 59 fa 45 89 ec e9 59 ff ff ff e8 c8 d9 59 fa 48 89 ef 41 bc ea ff ff ff e8 2a f9 ff ff eb c7 e8 b3 d9 59 fa <0f> 0b e8 ac d9 59 fa 0f 0b 4c 89 f7 e8 22 47 a0 fa e9 79 fb ff ff
RSP: 0018:ffffc90004a6f3a8 EFLAGS: 00010212
RAX: 000000000002071a RBX: 0000000000000062 RCX: ffffc9000ffe5000
RDX: 0000000000040000 RSI: ffffffff871d98dd RDI: 0000000000000003
RBP: ffff88807d7ed3c0 R08: 0000000000000044 R09: 0000000000000000
R10: ffffffff871d96df R11: 0000000000000000 R12: ffff88807d7ed434
R13: 0000000000000003 R14: ffff88807d7ed440 R15: 0000000000000052
FS:  00007f686a464700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32621000 CR3: 0000000079670000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400