RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcbbff166d4
R13: 00000000004c3ace R14: 00000000004d7610 R15: 0000000000000004
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
kobject: 'loop5' (00000000bab073a1): kobject_uevent_env
CPU: 1 PID: 6422 Comm: kworker/u4:4 Not tainted 4.19.52 #24
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_unbound flush_to_ldisc
RIP: 0010:skb_put+0x35/0x1e0 net/core/skbuff.c:1697
Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 c8 00 00 00 48 83 ec 08 e8 ec e1 0a 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 58
RSP: 0018:ffff88808a43fb28 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88806fec8a00 RCX: ffffffff84e1e854
RDX: 0000000000000019 RSI: ffffffff85602504 RDI: 0000000000000000
RBP: ffff88808a43fb58 R08: ffff888093b0c6c0 R09: ffffed1015d24733
R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000
R13: 0000000000000001 R14: 00000000000000c8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f30e2a1c028 CR3: 00000000a115e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 skb_put_data include/linux/skbuff.h:2093 [inline]
 bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:451 [inline]
 bcsp_recv+0x9ae/0x13a0 drivers/bluetooth/hci_bcsp.c:612
kobject: 'loop5' (00000000bab073a1): fill_kobj_path: path = '/devices/virtual/block/loop5'
 hci_uart_tty_receive+0x225/0x530 drivers/bluetooth/hci_ldisc.c:607
kobject: 'loop4' (000000009aa82f54): kobject_uevent_env
 tty_ldisc_receive_buf+0x15f/0x1c0 drivers/tty/tty_buffer.c:460
 tty_port_default_receive_buf+0x7d/0xb0 drivers/tty/tty_port.c:38
 receive_buf drivers/tty/tty_buffer.c:476 [inline]
 flush_to_ldisc+0x222/0x390 drivers/tty/tty_buffer.c:528
 process_one_work+0x989/0x1750 kernel/workqueue.c:2153
kobject: 'loop4' (000000009aa82f54): fill_kobj_path: path = '/devices/virtual/block/loop4'
Bluetooth: Can't allocate mem for new packet
 worker_thread+0x98/0xe40 kernel/workqueue.c:2296
 kthread+0x354/0x420 kernel/kthread.c:246
kobject: 'loop2' (00000000414363ee): kobject_uevent_env
kobject: 'loop2' (00000000414363ee): fill_kobj_path: path = '/devices/virtual/block/loop2'
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Modules linked in:
kobject: 'loop4' (000000009aa82f54): kobject_uevent_env
---[ end trace 11d88a9c11c93b92 ]---
kobject: 'loop4' (000000009aa82f54): fill_kobj_path: path = '/devices/virtual/block/loop4'
RIP: 0010:skb_put+0x35/0x1e0 net/core/skbuff.c:1697
Code: 89 f5 41 54 49 89 fc 53 4d 8d b4 24 c8 00 00 00 48 83 ec 08 e8 ec e1 0a 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 58
kobject: 'loop0' (00000000f0b522fe): kobject_uevent_env
kobject: 'loop0' (00000000f0b522fe): fill_kobj_path: path = '/devices/virtual/block/loop0'
RSP: 0018:ffff88808a43fb28 EFLAGS: 00010202
RAX: dffffc0000000000 RBX: ffff88806fec8a00 RCX: ffffffff84e1e854
RDX: 0000000000000019 RSI: ffffffff85602504 RDI: 0000000000000000
kobject: 'loop2' (00000000414363ee): kobject_uevent_env
RBP: ffff88808a43fb58 R08: ffff888093b0c6c0 R09: ffffed1015d24733
kobject: 'loop2' (00000000414363ee): fill_kobj_path: path = '/devices/virtual/block/loop2'
R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000
kobject: 'loop5' (00000000bab073a1): kobject_uevent_env
kobject: 'loop5' (00000000bab073a1): fill_kobj_path: path = '/devices/virtual/block/loop5'
kobject: 'loop4' (000000009aa82f54): kobject_uevent_env
R13: 0000000000000001 R14: 00000000000000c8 R15: 0000000000000000
kobject: 'loop4' (000000009aa82f54): fill_kobj_path: path = '/devices/virtual/block/loop4'
FS:  0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 00000000a115e000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400