------------[ cut here ]------------
Illegal XDP return value 4294967274, expect packet loss!
WARNING: CPU: 1 PID: 17167 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
WARNING: CPU: 1 PID: 17167 at net/core/filter.c:8188 bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Modules linked in:
CPU: 1 PID: 17167 Comm: syz-executor.0 Not tainted 5.16.0-rc8-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:bpf_warn_invalid_xdp_action net/core/filter.c:8188 [inline]
RIP: 0010:bpf_warn_invalid_xdp_action+0x6f/0x80 net/core/filter.c:8184
Code: 80 77 ae 8a 41 83 fc 04 48 c7 c6 c0 77 ae 8a 48 0f 46 ee e8 93 80 42 fa 44 89 e2 48 c7 c7 00 78 ae 8a 48 89 ee e8 cd 6e cb 01 <0f> 0b 5b 5d 41 5c e9 76 80 42 fa 66 0f 1f 44 00 00 41 57 41 56 49
RSP: 0018:ffffc90000dc0a78 EFLAGS: 00010282
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff88804094ba00 RSI: ffffffff815f0948 RDI: fffff520001b8141
RBP: ffffffff8aae7780 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815ea6ee R11: 0000000000000000 R12: 00000000ffffffea
R13: 00000000ffffffea R14: 00000000ffffffea R15: 00000000fffffe48
FS:  00007f350bb87700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f350bb87718 CR3: 0000000043098000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 netif_receive_generic_xdp net/core/dev.c:4830 [inline]
 do_xdp_generic.part.0+0x80b/0xa00 net/core/dev.c:4878
 do_xdp_generic net/core/dev.c:4873 [inline]
 __netif_receive_skb_core+0x11b7/0x3770 net/core/dev.c:5286
 __netif_receive_skb_one_core+0xae/0x180 net/core/dev.c:5463
 __netif_receive_skb+0x24/0x1b0 net/core/dev.c:5579
 process_backlog+0x2a5/0x6c0 net/core/dev.c:6455
 __napi_poll+0xaf/0x440 net/core/dev.c:7023
 napi_poll net/core/dev.c:7090 [inline]
 net_rx_action+0x801/0xb40 net/core/dev.c:7177
 __do_softirq+0x29b/0x9c2 kernel/softirq.c:558
 do_softirq.part.0+0xde/0x130 kernel/softirq.c:459
 </IRQ>
 <TASK>
 do_softirq kernel/softirq.c:451 [inline]
 __local_bh_enable_ip+0x102/0x120 kernel/softirq.c:383
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:758 [inline]
 ip6_finish_output2+0x5bf/0x14e0 net/ipv6/ip6_output.c:127
 __ip6_finish_output net/ipv6/ip6_output.c:191 [inline]
 __ip6_finish_output+0x4c1/0x1050 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]
 NF_HOOK include/linux/netfilter.h:307 [inline]
 NF_HOOK include/linux/netfilter.h:301 [inline]
 ip6_xmit+0x11e9/0x1a60 net/ipv6/ip6_output.c:324
 sctp_v6_xmit+0xcc1/0x1100 net/sctp/ipv6.c:250
 sctp_packet_transmit+0x1c9a/0x3070 net/sctp/output.c:652
 sctp_packet_singleton+0x190/0x360 net/sctp/outqueue.c:777
 sctp_outq_flush_ctrl.constprop.0+0x5dc/0xab0 net/sctp/outqueue.c:908
 sctp_outq_flush net/sctp/outqueue.c:1202 [inline]
 sctp_outq_uncork+0x10b/0x200 net/sctp/outqueue.c:758
 sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1812 [inline]
 sctp_side_effects net/sctp/sm_sideeffect.c:1195 [inline]
 sctp_do_sm+0x745/0x4ec0 net/sctp/sm_sideeffect.c:1166
 sctp_primitive_ASSOCIATE+0x98/0xc0 net/sctp/primitive.c:73
 __sctp_connect+0x9e2/0xc30 net/sctp/socket.c:1231
 sctp_connect net/sctp/socket.c:4808 [inline]
 sctp_inet_connect+0x15e/0x200 net/sctp/socket.c:4823
 __sys_connect_file+0x155/0x1a0 net/socket.c:1896
 __sys_connect+0x161/0x190 net/socket.c:1913
 __do_sys_connect net/socket.c:1923 [inline]
 __se_sys_connect net/socket.c:1920 [inline]
 __x64_sys_connect+0x6f/0xb0 net/socket.c:1920
 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: 0033:0x7f350d253e99
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:00007f350bb87168 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007f350d367100 RCX: 00007f350d253e99
RDX: 000000000000001c RSI: 0000000020000080 RDI: 0000000000000005
RBP: 00007f350d2adff1 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffddbbd311f R14: 00007f350bb87300 R15: 0000000000022000
 </TASK>