RBP: 000000000073bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fd1c44d06d4 R13: 00000000004c3082 R14: 00000000004d6428 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 binder: 12098:12099 ioctl 80087601 20000300 returned -22 CPU: 1 PID: 11357 Comm: kworker/u4:3 Not tainted 4.19.36 #4 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 5c 7e 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:ffff888057fe7b28 EFLAGS: 00010202 RAX: dffffc0000000000 RBX: ffff8880a7aea000 RCX: ffffffff84e27a89 RDX: 0000000000000019 RSI: ffffffff8560c6b4 RDI: 0000000000000000 RBP: ffff888057fe7b58 R08: ffff88808b1dc4c0 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 Bluetooth: Can't allocate mem for new packet CR2: 0000001b2e422000 CR3: 000000008d4bd000 CR4: 00000000001426e0 Call Trace: skb_put_data include/linux/skbuff.h:2091 [inline] bcsp_unslip_one_byte drivers/bluetooth/hci_bcsp.c:451 [inline] bcsp_recv+0x9b3/0x13b0 drivers/bluetooth/hci_bcsp.c:612 kobject: 'loop3' (0000000093214099): kobject_uevent_env hci_uart_tty_receive+0x22b/0x530 drivers/bluetooth/hci_ldisc.c:607 tty_ldisc_receive_buf+0x164/0x1c0 drivers/tty/tty_buffer.c:460 kobject: 'loop3' (0000000093214099): fill_kobj_path: path = '/devices/virtual/block/loop3' 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+0x228/0x390 drivers/tty/tty_buffer.c:528 kobject: 'loop4' (00000000793a2892): kobject_uevent_env process_one_work+0x98e/0x1760 kernel/workqueue.c:2153 kobject: 'loop4' (00000000793a2892): fill_kobj_path: path = '/devices/virtual/block/loop4' worker_thread+0x98/0xe40 kernel/workqueue.c:2296 kthread+0x357/0x430 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Modules linked in: kobject: 'kvm' (00000000be065f15): kobject_uevent_env kobject: 'kvm' (00000000be065f15): fill_kobj_path: path = '/devices/virtual/misc/kvm' ---[ end trace c5f65e4555889b42 ]--- kobject: 'loop5' (00000000d5417e68): kobject_uevent_env 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 5c 7e 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: 'loop5' (00000000d5417e68): fill_kobj_path: path = '/devices/virtual/block/loop5' RSP: 0018:ffff888057fe7b28 EFLAGS: 00010202 kobject: 'kvm' (00000000be065f15): kobject_uevent_env RAX: dffffc0000000000 RBX: ffff8880a7aea000 RCX: ffffffff84e27a89 kobject: 'kvm' (00000000be065f15): fill_kobj_path: path = '/devices/virtual/misc/kvm' RDX: 0000000000000019 RSI: ffffffff8560c6b4 RDI: 0000000000000000 kobject: 'kvm' (00000000be065f15): kobject_uevent_env RBP: ffff888057fe7b58 R08: ffff88808b1dc4c0 R09: ffffed1015d24733 kobject: 'kvm' (00000000be065f15): fill_kobj_path: path = '/devices/virtual/misc/kvm' R10: ffffed1015d24732 R11: ffff8880ae923993 R12: 0000000000000000 R13: 0000000000000001 R14: 00000000000000c8 R15: 0000000000000000 kobject: 'kvm' (00000000be065f15): kobject_uevent_env FS: 0000000000000000(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 kobject: 'kvm' (00000000be065f15): fill_kobj_path: path = '/devices/virtual/misc/kvm' CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fff47b03bf8 CR3: 000000008d4bd000 CR4: 00000000001426e0 kobject: 'loop2' (000000007a2e48d1): kobject_uevent_env