bond49: (slave ip6gretap5): Releasing backup interface
bond49: (slave ip6gretap5): the permanent HWaddr of slave - aa:b8:1a:ab:f6:95 - is still in use by bond - set the HWaddr of slave to a different address to avoid conflicts
Oops: general protection fault, probably for non-canonical address 0xdffffc001fffe1ac: 0000 [#1] SMP KASAN PTI
KASAN: probably user-memory-access in range [0x00000000ffff0d60-0x00000000ffff0d67]
CPU: 0 UID: 0 PID: 29367 Comm: syz.1.6580 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__ip_mc_dec_group+0x2fd/0x690
Code: 99 06 bb f7 c6 05 23 bb 88 05 01 48 c7 c7 20 a4 9e 8c be 97 05 00 00 48 c7 c2 a0 a4 9e 8c e8 ea e0 98 f7 4c 89 e3 48 c1 eb 03 <42> 80 3c 2b 00 74 08 4c 89 e7 e8 34 72 1e f8 4d 8b 2c 24 4d 39 f5
RSP: 0018:ffffc900039be658 EFLAGS: 00010206
RAX: ffffffff8a04a465 RBX: 000000001fffe1ac RCX: 0000000000080000
RDX: ffffc90003fc4000 RSI: 000000000002489b RDI: 000000000002489c
RBP: ffff8880299c1820 R08: ffffffff8f5383e7 R09: 1ffffffff1ea707c
R10: dffffc0000000000 R11: fffffbfff1ea707d R12: 00000000ffff0d60
R13: dffffc0000000000 R14: ffff888027f5f600 R15: 1ffff11005338304
FS:  00007fb9074146c0(0000) GS:ffff8880b861a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000029044000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 inetdev_event+0x2a7/0x15b0
 notifier_call_chain+0x1b6/0x3e0
 netif_close_many+0x29c/0x410
 netif_close+0x158/0x210
 dev_close+0x10a/0x220
 __bond_release_one+0xbb5/0x10e0
 do_set_master+0x312/0x6d0
 do_setlink+0xcf0/0x41c0
 rtnl_newlink+0x149f/0x1c70
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 ____sys_sendmsg+0x505/0x830
 ___sys_sendmsg+0x21f/0x2a0
 __x64_sys_sendmsg+0x19b/0x260
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fb90658ebe9
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb907414038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fb9067b6090 RCX: 00007fb90658ebe9
RDX: 0000000000000000 RSI: 0000200000000280 RDI: 0000000000000007
RBP: 00007fb906611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fb9067b6128 R14: 00007fb9067b6090 R15: 00007ffd0d967be8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__ip_mc_dec_group+0x2fd/0x690
Code: 99 06 bb f7 c6 05 23 bb 88 05 01 48 c7 c7 20 a4 9e 8c be 97 05 00 00 48 c7 c2 a0 a4 9e 8c e8 ea e0 98 f7 4c 89 e3 48 c1 eb 03 <42> 80 3c 2b 00 74 08 4c 89 e7 e8 34 72 1e f8 4d 8b 2c 24 4d 39 f5
RSP: 0018:ffffc900039be658 EFLAGS: 00010206
RAX: ffffffff8a04a465 RBX: 000000001fffe1ac RCX: 0000000000080000
RDX: ffffc90003fc4000 RSI: 000000000002489b RDI: 000000000002489c
RBP: ffff8880299c1820 R08: ffffffff8f5383e7 R09: 1ffffffff1ea707c
R10: dffffc0000000000 R11: fffffbfff1ea707d R12: 00000000ffff0d60
R13: dffffc0000000000 R14: ffff888027f5f600 R15: 1ffff11005338304
FS:  00007fb9074146c0(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa0787a0fc8 CR3: 0000000029044000 CR4: 00000000000006f0
