binder: 24631:24632 ioctl c0306201 20008fd0 returned -14
WARNING: CPU: 1 PID: 18735 at net/batman-adv/multicast.c:371 batadv_mcast_mla_tt_add net/batman-adv/multicast.c:371 [inline]
WARNING: CPU: 1 PID: 18735 at net/batman-adv/multicast.c:371 __batadv_mcast_mla_update net/batman-adv/multicast.c:636 [inline]
WARNING: CPU: 1 PID: 18735 at net/batman-adv/multicast.c:371 batadv_mcast_mla_update+0x1927/0x1ec0 net/batman-adv/multicast.c:661
Kernel panic - not syncing: panic_on_warn set ...
CPU: 1 PID: 18735 Comm: kworker/u4:6 Not tainted 5.0.0-rc8+ #89
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: bat_events batadv_mcast_mla_update
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x172/0x1f0 lib/dump_stack.c:113
FAT-fs (loop1): error, fat_get_cluster: invalid cluster chain (i_pos 16)
 panic+0x2cb/0x65c kernel/panic.c:214
FAT-fs (loop1): Filesystem has been set read-only
 __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
FAT-fs (loop1): error, invalid access to FAT (entry 0x00000020)
 do_invalid_op+0x37/0x50 arch/x86/kernel/traps.c:290
binder: undelivered death notification, 0000000000000000
 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:973
RIP: 0010:batadv_mcast_mla_tt_add net/batman-adv/multicast.c:371 [inline]
RIP: 0010:__batadv_mcast_mla_update net/batman-adv/multicast.c:636 [inline]
RIP: 0010:batadv_mcast_mla_update+0x1927/0x1ec0 net/batman-adv/multicast.c:661
Code: 00 0f 85 95 05 00 00 4c 3b ad d0 fe ff ff 4c 89 ef 4d 8b 65 00 0f 85 a0 fb ff ff e8 23 29 89 fa e9 a6 ef ff ff e8 19 29 89 fa <0f> 0b e9 64 ec ff ff e8 0d 29 89 fa 8b b5 a8 fe ff ff 31 ff e8 80
RSP: 0018:ffff888030bdfbc0 EFLAGS: 00010293
RAX: ffff88808d5c60c0 RBX: 0000000000000001 RCX: ffffffff86e6a269
RDX: 0000000000000000 RSI: ffffffff86e6b607 RDI: 0000000000000007
RBP: ffff888030bdfd30 R08: ffff88808d5c60c0 R09: 0000000000000003
R10: ffffed1015d25bcf R11: ffff8880ae92de7b R12: ffff888030bdfc98
R13: ffff8880486d9e90 R14: 0000000000000000 R15: ffff888030bdfd08
kobject: 'loop2' (000000004b30ecd8): kobject_uevent_env
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2173
 worker_thread+0x98/0xe40 kernel/workqueue.c:2319
 kthread+0x357/0x430 kernel/kthread.c:246
kobject: 'loop2' (000000004b30ecd8): fill_kobj_path: path = '/devices/virtual/block/loop2'
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Kernel Offset: disabled
Rebooting in 86400 seconds..