------------[ cut here ]------------
WARNING: CPU: 0 PID: 6000 at kernel/bpf/core.c:2357 __bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357
Modules linked in:
CPU: 0 UID: 0 PID: 6000 Comm: kworker/0:4 Not tainted 6.15.0-rc6-syzkaller-00047-ge9565e23cd89 #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
Workqueue: mld mld_ifc_work
RIP: 0010:__bpf_prog_ret0_warn+0xa/0x20 kernel/bpf/core.c:2357
Code: f3 0f 1e fa e8 27 c8 f0 ff 31 c0 e9 c0 6a a5 09 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa e8 07 c8 f0 ff 90 <0f> 0b 90 31 c0 c3 cc cc cc cc 66 66 2e 0f 1f 84 00 00 00 00 00 90
RSP: 0018:ffffc900045cf550 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffc90003d91000 RCX: 0000000000000000
RDX: ffff888026942440 RSI: ffffffff81ca7e39 RDI: ffff888027b6c280
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff888027b6c280
R13: ffff888027b6c280 R14: 0000000000000001 R15: ffff888050f96002
FS:  0000000000000000(0000) GS:ffff8880d69df000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000056140569c300 CR3: 000000005e6cd000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 bpf_dispatcher_nop_func include/linux/bpf.h:1316 [inline]
 __bpf_prog_run include/linux/filter.h:718 [inline]
 bpf_prog_run include/linux/filter.h:725 [inline]
 bpf_prog_run_pin_on_cpu include/linux/filter.h:742 [inline]
 bpf_prog_run_clear_cb+0xa6/0x1d0 include/linux/filter.h:983
 run_filter+0xd8/0x2c0 net/packet/af_packet.c:2135
 packet_rcv+0x3e1/0x15a0 net/packet/af_packet.c:2208
 dev_queue_xmit_nit+0x8f1/0xca0 net/core/dev.c:2533
 xmit_one net/core/dev.c:3772 [inline]
 dev_hard_start_xmit+0x5b6/0x740 net/core/dev.c:3792
 __dev_queue_xmit+0x7eb/0x43e0 net/core/dev.c:4629
 dev_queue_xmit include/linux/netdevice.h:3350 [inline]
 neigh_hh_output include/net/neighbour.h:523 [inline]
 neigh_output include/net/neighbour.h:537 [inline]
 ip6_finish_output2+0xe98/0x2020 net/ipv6/ip6_output.c:141
 __ip6_finish_output net/ipv6/ip6_output.c:215 [inline]
 ip6_finish_output+0x3f9/0x1360 net/ipv6/ip6_output.c:226
 NF_HOOK_COND include/linux/netfilter.h:303 [inline]
 ip6_output+0x1f9/0x540 net/ipv6/ip6_output.c:247
 dst_output include/net/dst.h:459 [inline]
 NF_HOOK include/linux/netfilter.h:314 [inline]
 NF_HOOK include/linux/netfilter.h:308 [inline]
 mld_sendpack+0x9e9/0x1220 net/ipv6/mcast.c:1868
 mld_send_cr net/ipv6/mcast.c:2169 [inline]
 mld_ifc_work+0x740/0xca0 net/ipv6/mcast.c:2702
 process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>