------------[ cut here ]------------
kernel BUG at net/core/skbuff.c:2306!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 79 Comm: kworker/u32:4 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Workqueue: bond38 bond_resend_igmp_join_requests_delayed
RIP: 0010:pskb_expand_head+0xa08/0xfe0 net/core/skbuff.c:2306
Code: de 5d af f8 be 01 00 00 00 48 89 df e8 31 ec ff ff e9 ea f9 ff ff e8 c7 5d af f8 90 0f 0b 90 45 31 ed eb 80 e8 b9 5d af f8 90 <0f> 0b e8 b1 5d af f8 90 0f 0b e8 a9 5d af f8 81 cd 00 00 02 00 e9
RSP: 0018:ffffc9000161f500 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88804cb41a40 RCX: ffffffff895938ae
RDX: ffff888022a84900 RSI: ffffffff895941e7 RDI: ffff888022a84900
RBP: 0000000000000820 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000961b4ff0 R11: 0000000000000000 R12: ffff88804cb41a40
R13: 00000000961b56b0 R14: dffffc0000000000 R15: 00000000961b4ff0
FS:  0000000000000000(0000) GS:ffff8880d6648000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffe3cd5fd20 CR3: 000000003961d000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ipgre_header+0xdd/0x540 net/ipv4/ip_gre.c:900
 dev_hard_header include/linux/netdevice.h:3439 [inline]
 neigh_connected_output+0x34d/0x5d0 net/core/neighbour.c:1643
 neigh_output include/net/neighbour.h:556 [inline]
 ip6_finish_output2+0xb0f/0x1ce0 net/ipv6/ip6_output.c:136
 __ip6_finish_output+0x357/0x1080 net/ipv6/ip6_output.c:208
 ip6_finish_output net/ipv6/ip6_output.c:219 [inline]
 NF_HOOK_COND include/linux/netfilter.h:307 [inline]
 ip6_output+0x2aa/0xa60 net/ipv6/ip6_output.c:246
 dst_output include/net/dst.h:470 [inline]
 NF_HOOK include/linux/netfilter.h:318 [inline]
 NF_HOOK.constprop.0+0x114/0x8b0 include/linux/netfilter.h:312
 mld_sendpack+0x8f7/0xec0 net/ipv6/mcast.c:1855
 mld_send_report+0xd7/0x3c0 net/ipv6/mcast.c:2061
 ipv6_mc_rejoin_groups net/ipv6/mcast.c:2868 [inline]
 ipv6_mc_netdev_event+0x2b8/0x3a0 net/ipv6/mcast.c:2883
 notifier_call_chain+0x99/0x420 kernel/notifier.c:85
 call_netdevice_notifiers_info+0xbe/0x110 net/core/dev.c:2249
 call_netdevice_notifiers_extack net/core/dev.c:2287 [inline]
 call_netdevice_notifiers+0x7c/0xb0 net/core/dev.c:2301
 bond_resend_igmp_join_requests_delayed+0x5e/0x170 drivers/net/bonding/bond_main.c:896
 process_one_work+0x9d7/0x1920 kernel/workqueue.c:3275
 process_scheduled_works kernel/workqueue.c:3358 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3439
 kthread+0x370/0x450 kernel/kthread.c:467
 ret_from_fork+0x754/0xd80 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:pskb_expand_head+0xa08/0xfe0 net/core/skbuff.c:2306
Code: de 5d af f8 be 01 00 00 00 48 89 df e8 31 ec ff ff e9 ea f9 ff ff e8 c7 5d af f8 90 0f 0b 90 45 31 ed eb 80 e8 b9 5d af f8 90 <0f> 0b e8 b1 5d af f8 90 0f 0b e8 a9 5d af f8 81 cd 00 00 02 00 e9
RSP: 0018:ffffc9000161f500 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff88804cb41a40 RCX: ffffffff895938ae
RDX: ffff888022a84900 RSI: ffffffff895941e7 RDI: ffff888022a84900
RBP: 0000000000000820 R08: 0000000000000005 R09: 0000000000000000
R10: 00000000961b4ff0 R11: 0000000000000000 R12: ffff88804cb41a40
R13: 00000000961b56b0 R14: dffffc0000000000 R15: 00000000961b4ff0
FS:  0000000000000000(0000) GS:ffff8880d6548000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd00d94da08 CR3: 0000000035074000 CR4: 0000000000352ef0