net_ratelimit: 5 callbacks suppressed
protocol 88fb is buggy, dev hsr_slave_0
protocol 88fb is buggy, dev hsr_slave_1
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(class_idx > MAX_LOCKDEP_KEYS)
WARNING: CPU: 0 PID: 18875 at kernel/locking/lockdep.c:3315 __lock_acquire+0x13bf/0x4700 kernel/locking/lockdep.c:3315
Kernel panic - not syncing: panic_on_warn set ...
CPU: 0 PID: 18875 Comm: syz-executor.4 Not tainted 5.0.0-rc7+ #73
kobject: 'loop3' (000000005cad8112): kobject_uevent_env
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
kobject: 'loop3' (000000005cad8112): fill_kobj_path: path = '/devices/virtual/block/loop3'
 panic+0x2cb/0x65c kernel/panic.c:214
 __warn.cold+0x20/0x45 kernel/panic.c:571
 report_bug+0x263/0x2b0 lib/bug.c:186
 fixup_bug arch/x86/kernel/traps.c:178 [inline]
 fixup_bug arch/x86/kernel/traps.c:173 [inline]
 do_error_trap+0x11b/0x200 arch/x86/kernel/traps.c:271
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:__lock_acquire+0x13bf/0x4700 kernel/locking/lockdep.c:3315
Code: 8b 1d 49 e6 05 08 45 85 db 0f 85 d6 f4 ff ff 48 c7 c6 a0 a4 6b 87 48 c7 c7 00 79 6b 87 44 89 9c 24 98 00 00 00 e8 ef 29 ec ff <0f> 0b 44 8b 9c 24 98 00 00 00 e9 af f4 ff ff 8b 3d 7c b4 fe 08 85
RSP: 0018:ffff888077597540 EFLAGS: 00010082
RAX: 0000000000000000 RBX: 0000000033919207 RCX: 0000000000000000
RDX: 0000000000006474 RSI: ffffffff815a95c6 RDI: ffffed100eeb2e9a
RBP: ffff888077597710 R08: ffff888098e6c2c0 R09: fffffbfff1133361
R10: fffffbfff1133360 R11: ffffffff88999b03 R12: ffff888098e6cb80
R13: ffff888098e6cb8a R14: 0000000033919207 R15: ffff888098e6c2c0
 lock_acquire+0x16f/0x3f0 kernel/locking/lockdep.c:3841
 __raw_spin_lock include/linux/spinlock_api_smp.h:142 [inline]
 _raw_spin_lock+0x2f/0x40 kernel/locking/spinlock.c:144
 spin_lock include/linux/spinlock.h:329 [inline]
 __queue_work+0x23d/0x1180 kernel/workqueue.c:1437
 __queue_delayed_work+0x1d6/0x270 kernel/workqueue.c:1542
 mod_delayed_work_on+0xd8/0x200 kernel/workqueue.c:1616
 mod_delayed_work include/linux/workqueue.h:542 [inline]
 addrconf_mod_dad_work+0x3f/0xa0 net/ipv6/addrconf.c:328
 addrconf_dad_start+0x76/0xb0 net/ipv6/addrconf.c:4012
 inet6_addr_add+0x4e4/0x970 net/ipv6/addrconf.c:2966
 addrconf_add_ifaddr+0x148/0x1c0 net/ipv6/addrconf.c:3044
 inet6_ioctl+0x12f/0x1c0 net/ipv6/af_inet6.c:561
 sock_do_ioctl+0xde/0x300 net/socket.c:971
 sock_ioctl+0x32b/0x610 net/socket.c:1095
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd6e/0x1390 fs/ioctl.c:696
 ksys_ioctl+0xab/0xd0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:718
 do_syscall_64+0x103/0x610 arch/x86/entry/common.c:290
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x457e29
Code: ad b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 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 0f 83 7b b8 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007f453a3c3c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457e29
RDX: 0000000020000000 RSI: 0000000000008916 RDI: 000000000000000a
RBP: 000000000073c0e0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f453a3c46d4
R13: 00000000004bf039 R14: 00000000004d0928 R15: 00000000ffffffff
Kernel Offset: disabled
Rebooting in 86400 seconds..