general protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
kobject: 'loop4' (ffff8880a4b40160): kobject_uevent_env
CPU: 1 PID: 22 Comm: kworker/u4:1 Not tainted 4.14.146 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
task: ffff8880a9e3c5c0 task.stack: ffff8880a9e48000
RIP: 0010:skb_put+0x31/0x1c0 net/core/skbuff.c:1694
RSP: 0018:ffff8880a9e4fb48 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff8880a63d4dc0 RCX: ffff88808ec05a80
RDX: 0000000000000019 RSI: 0000000000000004 RDI: 0000000000000000
RBP: ffff8880a9e4fb70 R08: 0000000000006c26 R09: ffffffff88cb55b0
R10: 0000000000000006 R11: ffff8880a9e3c5c0 R12: 0000000000000000
R13: 0000000000000004 R14: ffff8880956a0de0 R15: 00000000000000c8
FS:  0000000000000000(0000) GS:ffff8880aef00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fca72269000 CR3: 00000000a0342000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2079 [inline]
 ll_recv+0x501/0x1010 drivers/bluetooth/hci_ll.c:416
 hci_uart_tty_receive+0x1f4/0x4d0 drivers/bluetooth/hci_ldisc.c:616
kobject: 'loop4' (ffff8880a4b40160): fill_kobj_path: path = '/devices/virtual/block/loop4'
 tty_ldisc_receive_buf+0x14d/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+0x1ec/0x400 drivers/tty/tty_buffer.c:527
 process_one_work+0x863/0x1600 kernel/workqueue.c:2114
 worker_thread+0x5d9/0x1050 kernel/workqueue.c:2248
 kthread+0x319/0x430 kernel/kthread.c:232
kobject: ')' (ffff88805e3a6770): kobject_add_internal: parent: 'net', set: 'devices'
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404
Code: 41 56 41 55 41 89 f5 41 54 49 89 fc 4d 8d bc 24 c8 00 00 00 53 e8 40 88 8d fc 4c 89 fa 48 b8 00 00 00 00 00 fc ff df 
kobject: ')' (ffff88805e3a6770): kobject_uevent_env
48 c1 ea 03 <0f> b6 14 02 4c 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 
kobject: ')' (ffff88805e3a6770): fill_kobj_path: path = '/devices/virtual/net/)'
d2 0f 85 
RIP: skb_put+0x31/0x1c0 net/core/skbuff.c:1694 RSP: ffff8880a9e4fb48
kobject: 'event4' (ffff88809455abb8): kobject_cleanup, parent           (null)
kobject: 'loop1' (ffff8880a4a28f20): kobject_uevent_env
kobject: 'event4' (ffff88809455abb8): calling ktype release
kobject: 'event4': free name
kobject: 'loop1' (ffff8880a4a28f20): fill_kobj_path: path = '/devices/virtual/block/loop1'
kobject: 'input15' (ffff88805de3eea0): kobject_uevent_env
kobject: 'input15' (ffff88805de3eea0): fill_kobj_path: path = '/devices/virtual/input/input15'
kobject: 'input15' (ffff88805de3eea0): kobject_cleanup, parent           (null)
kobject: 'input15' (ffff88805de3eea0): calling ktype release
kobject: 'input15': free name
kobject: 'loop2' (ffff8880a4a931a0): kobject_uevent_env
kobject: 'loop2' (ffff8880a4a931a0): fill_kobj_path: path = '/devices/virtual/block/loop2'
kobject: 'queues' (ffff8880a0664148): kobject_add_internal: parent: ')', set: '<NULL>'
kobject: 'input16' (ffff888095cc6fa0): kobject_add_internal: parent: 'input', set: 'devices'
kobject: 'queues' (ffff8880a0664148): kobject_uevent_env
kobject: 'input16' (ffff888095cc6fa0): kobject_uevent_env
kobject: 'queues' (ffff8880a0664148): kobject_uevent_env: filter function caused the event to drop!
kobject: 'input16' (ffff888095cc6fa0): fill_kobj_path: path = '/devices/virtual/input/input16'
kobject: 'rx-0' (ffff88809fbeec10): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'input16' (ffff888095cc6fa0): fill_kobj_path: path = '/devices/virtual/input/input16'
kobject: 'rx-0' (ffff88809fbeec10): kobject_uevent_env
input: syz1 as /devices/virtual/input/input16
kobject: 'rx-0' (ffff88809fbeec10): fill_kobj_path: path = '/devices/virtual/net/)/queues/rx-0'
kobject: 'event4' (ffff8880549f3538): kobject_add_internal: parent: 'input16', set: 'devices'
kobject: 'tx-0' (ffff88805fd17518): kobject_add_internal: parent: 'queues', set: 'queues'
kobject: 'event4' (ffff8880549f3538): kobject_uevent_env
kobject: 'tx-0' (ffff88805fd17518): kobject_uevent_env
kobject: 'event4' (ffff8880549f3538): fill_kobj_path: path = '/devices/virtual/input/input16/event4'
kobject: 'tx-0' (ffff88805fd17518): fill_kobj_path: path = '/devices/virtual/net/)/queues/tx-0'
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.3'.
---[ end trace 6162ee7c2dbd8831 ]---
kobject: ')' (ffff8880569d0870): kobject_add_internal: parent: 'net', set: 'devices'
kobject: 'event4' (ffff8880549f3538): kobject_uevent_env