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: 1 UID: 0 PID: 23041 Comm: syz.1.4676 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_inc_group+0x214/0xde0
Code: fe 88 05 01 48 c7 c7 00 a1 9e 8c be ec 05 00 00 48 c7 c2 80 a1 9e 8c e8 fa 27 99 f7 44 89 e8 4d 8d 34 c6 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 be b6 1e f8 4d 8b 2e 4d 85 ed 0f 84
RSP: 0018:ffffc90007706890 EFLAGS: 00010206
RAX: 000000001fffe1ac RBX: dffffc0000000000 RCX: ffff888045ec5640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8f5381e7 R09: 1ffffffff1ea703c
R10: dffffc0000000000 R11: fffffbfff1ea703d R12: 00000000010000e0
R13: 00000000000001ac R14: 00000000ffff0d60 R15: 0000000000000cc0
FS:  00007f8c459556c0(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c45933fc8 CR3: 00000001305dc000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 ip_mc_up+0x125/0x300
 inetdev_event+0xfb3/0x15b0
 notifier_call_chain+0x1b6/0x3e0
 __dev_notify_flags+0x18d/0x2e0
 netif_change_flags+0xe8/0x1a0
 do_setlink+0xc55/0x41c0
 rtnl_newlink+0x160b/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: 0033:0x7f8c44b8ebe9
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:00007f8c45955038 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007f8c44db5fa0 RCX: 00007f8c44b8ebe9
RDX: 0000000000000000 RSI: 0000200000000180 RDI: 0000000000000003
RBP: 00007f8c44c11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c44db6038 R14: 00007f8c44db5fa0 R15: 00007ffd0056dab8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:____ip_mc_inc_group+0x214/0xde0
Code: fe 88 05 01 48 c7 c7 00 a1 9e 8c be ec 05 00 00 48 c7 c2 80 a1 9e 8c e8 fa 27 99 f7 44 89 e8 4d 8d 34 c6 4c 89 f0 48 c1 e8 03 <80> 3c 18 00 74 08 4c 89 f7 e8 be b6 1e f8 4d 8b 2e 4d 85 ed 0f 84
RSP: 0018:ffffc90007706890 EFLAGS: 00010206
RAX: 000000001fffe1ac RBX: dffffc0000000000 RCX: ffff888045ec5640
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffffff8f5381e7 R09: 1ffffffff1ea703c
R10: dffffc0000000000 R11: fffffbfff1ea703d R12: 00000000010000e0
R13: 00000000000001ac R14: 00000000ffff0d60 R15: 0000000000000cc0
FS:  00007f8c459556c0(0000) GS:ffff8881a3c1a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8c45933fc8 CR3: 00000001305dc000 CR4: 00000000000006f0
