batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active
hsr_slave_0: entered promiscuous mode
------------[ cut here ]------------
WARNING: kernel/printk/printk_ringbuffer.c:1278 at get_data+0x48a/0x840, CPU#1: syz-executor/6973
Modules linked in:
CPU: 1 UID: 0 PID: 6973 Comm: syz-executor 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:get_data+0x48a/0x840
Code: 83 c4 f8 48 b8 00 00 00 00 00 fc ff df 41 0f b6 04 07 84 c0 0f 85 ee 01 00 00 44 89 65 00 49 83 c5 08 eb 13 e8 87 d2 1e 00 90 <0f> 0b 90 eb 05 e8 7c d2 1e 00 45 31 ed 4c 89 e8 48 83 c4 28 5b 41
RSP: 0018:ffffc900054164a0 EFLAGS: 00010293
RAX: ffffffff81a1aa59 RBX: 00003fffffffffff RCX: ffff8881117f1d00
RDX: 0000000000000000 RSI: 00003fffffffffff RDI: 0000000000000000
RBP: 0000000000000012 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000012
R13: 0000000000000000 R14: ffffc900054165e8 R15: 1ffffffff1bcaa9e
FS:  00005555859c6500(0000) GS:ffff8882a9eeb000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005583177d7448 CR3: 0000000110ed4000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 _prb_read_valid+0x672/0xa90
 prb_read_valid+0x3c/0x60
 printk_get_next_message+0x15c/0x7b0
 console_flush_all+0x4cc/0xb10
 console_unlock+0xbb/0x190
 vprintk_emit+0x4c5/0x590
 _printk+0xcf/0x120
 netdev_info+0x10a/0x160
 __dev_set_promiscuity+0x307/0x740
 netif_set_promiscuity+0x50/0xe0
 dev_set_promiscuity+0x126/0x260
 hsr_add_port+0x5ce/0x980
 hsr_dev_finalize+0x6c4/0xaa0
 hsr_newlink+0x8ad/0x9f0
 rtnl_newlink_create+0x310/0xb00
 rtnl_newlink+0x16e4/0x1c80
 rtnetlink_rcv_msg+0x7cf/0xb70
 netlink_rcv_skb+0x208/0x470
 netlink_unicast+0x82f/0x9e0
 netlink_sendmsg+0x805/0xb30
 __sock_sendmsg+0x21c/0x270
 __sys_sendto+0x3bd/0x520
 __x64_sys_sendto+0xde/0x100
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fd85fd90e5c
Code: 2a 5f 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5f 02 00 48 8b
RSP: 002b:00007ffc6dccc420 EFLAGS: 00000293 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 00007fd860b14620 RCX: 00007fd85fd90e5c
RDX: 0000000000000048 RSI: 00007fd860b14670 RDI: 0000000000000003
RBP: 0000000000000000 R08: 00007ffc6dccc474 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fd860b14670 R15: 0000000000000000
 </TASK>
