Bluetooth: hci0 command 0x0419 tx timeout Bluetooth: hci1 command 0x0419 tx timeout Bluetooth: hci5 command 0x0419 tx timeout Bluetooth: hci2 command 0x0419 tx timeout Bluetooth: hci4 command 0x0419 tx timeout BUG: sleeping function called from invalid context at net/core/sock.c:2787 in_atomic(): 1, irqs_disabled(): 0, pid: 7982, name: syz-executor.1 1 lock held by syz-executor.1/7982: #0: (hci_sk_list.lock){++++}, at: [] hci_sock_dev_event+0x379/0x5e0 net/bluetooth/hci_sock.c:751 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 7982 Comm: syz-executor.1 Not tainted 4.14.241-syzkaller #0 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+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6038 lock_sock_nested+0x31/0x100 net/core/sock.c:2787 lock_sock include/net/sock.h:1471 [inline] hci_sock_dev_event+0x403/0x5e0 net/bluetooth/hci_sock.c:753 hci_unregister_dev+0x232/0x8c0 net/bluetooth/hci_core.c:3212 vhci_release+0x70/0xe0 drivers/bluetooth/hci_vhci.c:354 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0xa44/0x2850 kernel/exit.c:868 do_group_exit+0x100/0x2e0 kernel/exit.c:965 SYSC_exit_group kernel/exit.c:976 [inline] SyS_exit_group+0x19/0x20 kernel/exit.c:974 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4665e9 RSP: 002b:00007ffc0a3d2078 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007ffc0a3d2838 RCX: 00000000004665e9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000043 RBP: 0000000000000000 R08: 0000000000000025 R09: 00007ffc0a3d2838 R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000004bef74 R13: 0000000000000010 R14: 0000000000000000 R15: 00000000000000f8 IPVS: ftp: loaded support on port[0] = 21 chnl_net:caif_netlink_parms(): no params data found bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered disabled state device bridge_slave_0 entered promiscuous mode bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered disabled state device bridge_slave_1 entered promiscuous mode bond0: Enslaving bond_slave_0 as an active interface with an up link bond0: Enslaving bond_slave_1 as an active interface with an up link IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready team0: Port device team_slave_0 added IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready team0: Port device team_slave_1 added batman_adv: batadv0: Adding interface: batadv_slave_0 batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active batman_adv: batadv0: Adding interface: batadv_slave_1 batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready bridge0: port 1(bridge_slave_0) entered disabled state bridge0: port 2(bridge_slave_1) entered disabled state IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network IPv6: ADDRCONF(NETDEV_UP): hsr0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_UP): vxcan0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready 8021q: adding VLAN 0 to HW filter on device batadv0 IPv6: ADDRCONF(NETDEV_UP): veth0_virt_wifi: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready IPv6: ADDRCONF(NETDEV_UP): veth0_vlan: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): vlan1: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready device veth0_vlan entered promiscuous mode device veth1_vlan entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvlan0: link is not ready IPv6: ADDRCONF(NETDEV_UP): macvlan1: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth0_macvtap: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready device veth0_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): macvtap0: link is not ready device veth1_macvtap entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): veth0_to_batadv: link is not ready IPv6: ADDRCONF(NETDEV_UP): veth1_to_batadv: link is not ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3d) already exists on: batadv_slave_0 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: batadv0: Interface activated: batadv_slave_0 IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! batman_adv: The newly added mac address (aa:aa:aa:aa:aa:3e) already exists on: batadv_slave_1 batman_adv: It is strongly recommended to keep mac addresses unique to avoid problems! IPv6: ADDRCONF(NETDEV_UP): batadv_slave_1: link is not ready batman_adv: batadv0: Interface activated: batadv_slave_1 IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready Bluetooth: hci3 command 0x0409 tx timeout hrtimer: interrupt took 38246 ns WARNING: can't dereference registers at 0000000000000375 for ip entry_SYSCALL_64_after_hwframe+0x46/0xbb new mount options do not match the existing superblock, will be ignored new mount options do not match the existing superblock, will be ignored FAT-fs (loop2): Unrecognized mount option "obj_type=/dev/vcs#" or missing value ISOFS: Unable to identify CD-ROM format. Bluetooth: hci3 command 0x041b tx timeout isofs_fill_super: bread failed, dev=loop4, iso_blknum=34, block=68 print_req_error: I/O error, dev loop4, sector 0 sd 0:0:1:0: [sg0] tag#489 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#489 CDB: Search Equal sd 0:0:1:0: [sg0] tag#489 CDB[00]: 31 ed 49 89 d1 5e 48 89 e2 48 83 e4 f0 50 54 49 sd 0:0:1:0: [sg0] tag#489 CDB[10]: c7 c0 e0 b7 41 00 48 c7 c1 50 b7 41 00 48 c7 c7 sd 0:0:1:0: [sg0] tag#489 CDB[20]: 70 17 40 00 67 e8 e6 7e 01 00 f4 0f 1f 44 00 00 sd 0:0:1:0: [sg0] tag#489 CDB[30]: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 sd 0:0:1:0: [sg0] tag#489 CDB[40]: b8 f0 79 54 00 48 3d f0 79 54 00 74 13 b8 00 00 sd 0:0:1:0: [sg0] tag#489 CDB[50]: 00 00 48 85 c0 74 09 bf f0 79 54 00 ff e0 66 90 sd 0:0:1:0: [sg0] tag#489 CDB[60]: c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 sd 0:0:1:0: [sg0] tag#489 CDB[70]: be f0 79 54 00 48 81 sd 0:0:1:0: [sg0] tag#540 FAILED Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK sd 0:0:1:0: [sg0] tag#540 CDB: Search Equal sd 0:0:1:0: [sg0] tag#540 CDB[00]: 31 ed 49 89 d1 5e 48 89 e2 48 83 e4 f0 50 54 49 sd 0:0:1:0: [sg0] tag#540 CDB[10]: c7 c0 e0 b7 41 00 48 c7 c1 50 b7 41 00 48 c7 c7 sd 0:0:1:0: [sg0] tag#540 CDB[20]: 70 17 40 00 67 e8 e6 7e 01 00 f4 0f 1f 44 00 00 sd 0:0:1:0: [sg0] tag#540 CDB[30]: c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 sd 0:0:1:0: [sg0] tag#540 CDB[40]: b8 f0 79 54 00 48 3d f0 79 54 00 74 13 b8 00 00 sd 0:0:1:0: [sg0] tag#540 CDB[50]: 00 00 48 85 c0 74 09 bf f0 79 54 00 ff e0 66 90 sd 0:0:1:0: [sg0] tag#540 CDB[60]: c3 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 sd 0:0:1:0: [sg0] tag#540 CDB[70]: be f0 79 54 00 48 81 sg_write: process 55 (syz-executor.1) changed security contexts after opening file descriptor, this is not allowed. Bluetooth: hci3 command 0x040f tx timeout