audit: type=1804 audit(1586318402.154:216): pid=21324 uid=0 auid=0 ses=4 subj=system_u:system_r:kernel_t:s0 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir507075441/syzkaller.34WInl/171/bus" dev="sda1" ino=16177 res=1
Bluetooth: received HCILL_WAKE_UP_ACK in state 2
Bluetooth: Unknown HCI packet type 5e
Bluetooth: Unknown HCI packet type 43
Bluetooth: Unknown HCI packet type 5e
general protection fault: 0000 [#1] PREEMPT SMP KASAN
Bluetooth: Unknown HCI packet type 43
Modules linked in:
CPU: 1 PID: 2334 Comm: kworker/u4:4 Not tainted 4.14.175-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
Bluetooth: Unknown HCI packet type 23
task: ffff8880a16b62c0 task.stack: ffff8880a16c8000
RIP: 0010:skb_put+0x2b/0x1a0 net/core/skbuff.c:1694
RSP: 0018:ffff8880a16cfb90 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff888099e06ac0 RCX: ffff88809ae02040
Bluetooth: Unknown HCI packet type 5e
RDX: 0000000000000019 RSI: 0000000000000003 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000004983 R09: ffffffff8a080498
R10: ffff8880a16b6be0 R11: ffff8880a16b62c0 R12: 0000000000000003
R13: ffff888099e06ad0 R14: 00000000000000c8 R15: ffff88809af6d6a0
FS:  0000000000000000(0000) GS:ffff8880aeb00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005626838cd287 CR3: 0000000052dfd000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2097 [inline]
 ll_recv+0x4fe/0x1040 drivers/bluetooth/hci_ll.c:416
 hci_uart_tty_receive+0x1ec/0x4c0 drivers/bluetooth/hci_ldisc.c:616
 tty_ldisc_receive_buf+0x12e/0x170 drivers/tty/tty_buffer.c:459
 tty_port_default_receive_buf+0x6e/0xa0 drivers/tty/tty_port.c:37
 receive_buf drivers/tty/tty_buffer.c:475 [inline]
 flush_to_ldisc+0x1dd/0x3f0 drivers/tty/tty_buffer.c:527
 process_one_work+0x813/0x1540 kernel/workqueue.c:2116
 worker_thread+0x5d1/0x1070 kernel/workqueue.c:2250
 kthread+0x30d/0x420 kernel/kthread.c:232
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 41 56 41 55 41 54 41 89 f4 55 48 89 fd 4c 8d b5 c8 00 00 00 53 e8 66 e9 60 fc 4c 89 f2 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <0f> b6 14 02 4c 89 f0 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 
RIP: skb_put+0x2b/0x1a0 net/core/skbuff.c:1694 RSP: ffff8880a16cfb90
CPU: 1 PID: 21318 Comm: syz-executor.0 Tainted: G      D         4.14.175-syzkaller #0
Bluetooth: Unknown HCI packet type 50
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x13e/0x194 lib/dump_stack.c:58
 fail_dump lib/fault-inject.c:51 [inline]
 should_fail.cold+0x10a/0x14b lib/fault-inject.c:149
 should_failslab+0xd6/0x130 mm/failslab.c:32
Bluetooth: Unknown HCI packet type 5e
 slab_pre_alloc_hook mm/slab.h:421 [inline]
 slab_alloc_node mm/slab.c:3297 [inline]
 kmem_cache_alloc_node+0x55/0x7a0 mm/slab.c:3640
Bluetooth: Unknown HCI packet type 50
 __alloc_skb+0x9a/0x4c0 net/core/skbuff.c:193
Bluetooth: Unknown HCI packet type 5e
 alloc_skb include/linux/skbuff.h:980 [inline]
 bt_skb_alloc include/net/bluetooth/bluetooth.h:336 [inline]
 ll_recv+0x3d6/0x1040 drivers/bluetooth/hci_ll.c:516
 hci_uart_tty_receive+0x1ec/0x4c0 drivers/bluetooth/hci_ldisc.c:616
 tiocsti drivers/tty/tty_io.c:2186 [inline]
 tty_ioctl+0xd5b/0x1220 drivers/tty/tty_io.c:2572
Bluetooth: Unknown HCI packet type 5e
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x45c889
RSP: 002b:00007fe22f810c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fe22f8116d4 RCX: 000000000045c889
RDX: 0000000020000000 RSI: 0000000000005412 RDI: 0000000000000003
RBP: 000000000076bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004
R13: 0000000000000582 R14: 00000000004c81b7 R15: 0000000000000000
hfs: gid requires an argument
hfs: unable to parse mount options
Bluetooth: Can't allocate mem for new packet
Bluetooth: Unknown HCI packet type 40
---[ end trace 4e5b5fb95f60aa1a ]---