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RTNL: assertion failed at net/core/dev.c (9430)
WARNING: CPU: 1 PID: 18421 at net/core/dev.c:9430 __dev_set_promiscuity+0x569/0x740
Modules linked in:
CPU: 1 UID: 0 PID: 18421 Comm: syz.7.4905 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:__dev_set_promiscuity+0x569/0x740
Code: ed fb ff ff e8 f8 3c 97 f8 c6 05 a8 31 3e 06 01 90 48 c7 c7 80 e6 6c 8c 48 c7 c6 80 e5 6c 8c ba d6 24 00 00 e8 d8 56 5a f8 90 <0f> 0b 90 90 e9 06 fb ff ff e8 c9 3c 97 f8 48 8b 7c 24 08 48 c7 c6
RSP: 0018:ffffc90004457800 EFLAGS: 00010246
RAX: 5405bdb796231800 RBX: ffff8881ba014000 RCX: 0000000000080000
RDX: ffffc90020291000 RSI: 00000000000008eb RDI: 00000000000008ec
RBP: 0000000000000000 R08: ffff88823c624293 R09: 1ffff110478c4852
R10: dffffc0000000000 R11: ffffed10478c4853 R12: 00000000ffffffff
R13: 0000000000000000 R14: ffff8881ba0140b0 R15: 1ffff11037402816
FS:  00007fd621cb26c0(0000) GS:ffff8882a9f3d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e422ff8 CR3: 00000001b38e2000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 __dev_set_rx_mode+0x17c/0x260
 dev_mc_add+0xc8/0x120
 igmp6_group_added+0x225/0x800
 __ipv6_dev_mc_inc+0x897/0xa50
 __ipv6_sock_mc_join+0x503/0x750
 do_ipv6_setsockopt+0x20f2/0x2eb0
 ipv6_setsockopt+0x59/0x170
 do_sock_setsockopt+0x17c/0x1b0
 __x64_sys_setsockopt+0x13f/0x1b0
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd620d8efc9
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:00007fd621cb2038 EFLAGS: 00000246 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 00007fd620fe5fa0 RCX: 00007fd620d8efc9
RDX: 0000000000000014 RSI: 0000000000000029 RDI: 0000000000000003
RBP: 00007fd620e11f91 R08: 0000000000000120 R09: 0000000000000000
R10: 0000200000000100 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fd620fe6038 R14: 00007fd620fe5fa0 R15: 00007fff1e6bc7d8
 </TASK>
