Bluetooth: hci19: Frame reassembly failed (-84)
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 9029 Comm: kworker/u4:6 Not tainted 4.14.115 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
task: ffff88809bce0340 task.stack: ffff888062e30000
RIP: 0010:skb_put+0x31/0x1c0 net/core/skbuff.c:1694
RSP: 0018:ffff888062e37b50 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: 0000000000000004 RCX: 1ffffffff0dafb55
RDX: 0000000000000019 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffff888062e37b78 R08: 00000000000058bb R09: ffffffff88ca59d8
R10: 0000000000000006 R11: ffff88809bce0340 R12: 0000000000000000
R13: 0000000000000004 R14: ffff8880a7194960 R15: 00000000000000c8
FS:  0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 00000002118c9000 CR4: 00000000001426e0
Call Trace:
 skb_put_data include/linux/skbuff.h:2077 [inline]
 ll_recv+0x36f/0x1070 drivers/bluetooth/hci_ll.c:416
 hci_uart_tty_receive+0x1fa/0x4d0 drivers/bluetooth/hci_ldisc.c:603
 tty_ldisc_receive_buf+0x151/0x1a0 drivers/tty/tty_buffer.c:459
 tty_port_default_receive_buf+0x73/0xa0 drivers/tty/tty_port.c:37
 receive_buf drivers/tty/tty_buffer.c:475 [inline]
 flush_to_ldisc+0x1f2/0x400 drivers/tty/tty_buffer.c:527
 process_one_work+0x868/0x1610 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x31c/0x430 kernel/kthread.c:232
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402
Code: 41 56 41 55 41 89 f5 41 54 49 89 fc 4d 8d bc 24 c8 00 00 00 53 e8 00 02 8d fc 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 
RIP: skb_put+0x31/0x1c0 net/core/skbuff.c:1694 RSP: ffff888062e37b50
kobject: 'loop5' (ffff8880a4ada3a0): kobject_uevent_env
CPU: 1 PID: 25367 Comm: syz-executor.4 Tainted: G      D         4.14.115 #5
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
kobject: 'loop5' (ffff8880a4ada3a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x138/0x19c lib/dump_stack.c:53
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10f/0x159 lib/fault-inject.c:149
 should_failslab+0xdb/0x130 mm/failslab.c:32
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc_node mm/slab.c:3297 [inline]
 kmem_cache_alloc_node+0x56/0x780 mm/slab.c:3640
 __alloc_skb+0x9c/0x500 net/core/skbuff.c:193
 alloc_skb include/linux/skbuff.h:980 [inline]
 bt_skb_alloc include/net/bluetooth/bluetooth.h:336 [inline]
 ll_recv+0xee/0x1070 drivers/bluetooth/hci_ll.c:516
 hci_uart_tty_receive+0x1fa/0x4d0 drivers/bluetooth/hci_ldisc.c:603
kobject: 'loop1' (ffff8880a498b2e0): kobject_uevent_env
 tiocsti drivers/tty/tty_io.c:2186 [inline]
 tty_ioctl+0x4bb/0x1400 drivers/tty/tty_io.c:2572
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x7b9/0x1070 fs/ioctl.c:684
kobject: 'loop1' (ffff8880a498b2e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692
 do_syscall_64+0x1eb/0x630 arch/x86/entry/common.c:289
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x458da9
RSP: 002b:00007f5e96ee1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f5e96ee1c90 RCX: 0000000000458da9
RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000003
RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f5e96ee26d4
R13: 00000000004c3215 R14: 00000000004d65a8 R15: 0000000000000004
kobject: 'loop5' (ffff8880a4ada3a0): kobject_uevent_env
kobject: 'loop5' (ffff8880a4ada3a0): fill_kobj_path: path = '/devices/virtual/block/loop5'
Bluetooth: Can't allocate mem for new packet
kobject: 'loop1' (ffff8880a498b2e0): kobject_uevent_env
kobject: 'loop1' (ffff8880a498b2e0): fill_kobj_path: path = '/devices/virtual/block/loop1'
---[ end trace f0804f76be07df8e ]---