Warning: Permanently added '10.128.0.133' (ECDSA) to the list of known hosts. 2021/07/16 23:50:55 parsed 1 programs 2021/07/16 23:50:56 executed programs: 0 [ 77.440557][ T8457] chnl_net:caif_netlink_parms(): no params data found [ 77.498879][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.508082][ T8457] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.516906][ T8457] device bridge_slave_0 entered promiscuous mode [ 77.527435][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.535955][ T8457] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.545086][ T8457] device bridge_slave_1 entered promiscuous mode [ 77.567369][ T8457] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.578518][ T8457] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.605310][ T8457] team0: Port device team_slave_0 added [ 77.613963][ T8457] team0: Port device team_slave_1 added [ 77.633986][ T8457] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 77.641138][ T8457] 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. [ 77.668349][ T8457] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 77.684648][ T8457] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 77.692572][ T8457] 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. [ 77.719909][ T8457] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 77.747684][ T8457] device hsr_slave_0 entered promiscuous mode [ 77.754844][ T8457] device hsr_slave_1 entered promiscuous mode [ 77.866806][ T8457] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 77.877770][ T8457] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 77.888721][ T8457] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 77.900728][ T8457] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 77.926311][ T8457] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.933529][ T8457] bridge0: port 2(bridge_slave_1) entered forwarding state [ 77.942258][ T8457] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.949715][ T8457] bridge0: port 1(bridge_slave_0) entered forwarding state [ 77.995879][ T8457] 8021q: adding VLAN 0 to HW filter on device bond0 [ 78.009791][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 78.025149][ T20] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.033894][ T20] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.043927][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 78.057346][ T8457] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.069833][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 78.079506][ T20] bridge0: port 1(bridge_slave_0) entered blocking state [ 78.087064][ T20] bridge0: port 1(bridge_slave_0) entered forwarding state [ 78.100694][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 78.109780][ T20] bridge0: port 2(bridge_slave_1) entered blocking state [ 78.117031][ T20] bridge0: port 2(bridge_slave_1) entered forwarding state [ 78.143381][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 78.154144][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 78.162824][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 78.174816][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 78.185356][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 78.198049][ T8457] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 78.216028][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 78.223831][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 78.238539][ T8457] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 78.261524][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 78.278218][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 78.287578][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 78.296431][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 78.308622][ T8457] device veth0_vlan entered promiscuous mode [ 78.323105][ T8457] device veth1_vlan entered promiscuous mode [ 78.346184][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 78.354559][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 78.364950][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 78.376995][ T8457] device veth0_macvtap entered promiscuous mode [ 78.387221][ T8457] device veth1_macvtap entered promiscuous mode [ 78.406348][ T8457] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 78.414378][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 78.424386][ T20] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 78.437196][ T8457] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 78.445011][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 78.453753][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 78.467620][ T8457] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.476968][ T8457] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.486140][ T8457] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.496972][ T8457] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 78.605814][ T25] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.614163][ T25] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.638935][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 78.659783][ T25] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 78.670827][ T25] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 78.680977][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 78.728228][ T8696] [ 78.730587][ T8696] ============================================ [ 78.736858][ T8696] WARNING: possible recursive locking detected [ 78.743014][ T8696] 5.13.0-syzkaller #0 Not tainted [ 78.748042][ T8696] -------------------------------------------- [ 78.754190][ T8696] syz-executor.0/8696 is trying to acquire lock: [ 78.760513][ T8696] ffff88802ef69c78 (&u->iolock){+.+.}-{3:3}, at: __unix_dgram_recvmsg+0x226/0xb70 [ 78.769779][ T8696] [ 78.769779][ T8696] but task is already holding lock: [ 78.777231][ T8696] ffff88802ef69c78 (&u->iolock){+.+.}-{3:3}, at: unix_dgram_bpf_recvmsg+0x307/0xd10 [ 78.786658][ T8696] [ 78.786658][ T8696] other info that might help us debug this: [ 78.794821][ T8696] Possible unsafe locking scenario: [ 78.794821][ T8696] [ 78.802365][ T8696] CPU0 [ 78.805696][ T8696] ---- [ 78.808981][ T8696] lock(&u->iolock); [ 78.812943][ T8696] lock(&u->iolock); [ 78.817000][ T8696] [ 78.817000][ T8696] *** DEADLOCK *** [ 78.817000][ T8696] [ 78.825841][ T8696] May be due to missing lock nesting notation [ 78.825841][ T8696] [ 78.834170][ T8696] 1 lock held by syz-executor.0/8696: [ 78.839534][ T8696] #0: ffff88802ef69c78 (&u->iolock){+.+.}-{3:3}, at: unix_dgram_bpf_recvmsg+0x307/0xd10 [ 78.849483][ T8696] [ 78.849483][ T8696] stack backtrace: [ 78.855721][ T8696] CPU: 1 PID: 8696 Comm: syz-executor.0 Not tainted 5.13.0-syzkaller #0 [ 78.865131][ T8696] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.875187][ T8696] Call Trace: [ 78.878464][ T8696] dump_stack_lvl+0xcd/0x134 [ 78.883048][ T8696] __lock_acquire.cold+0x149/0x3ab [ 78.888163][ T8696] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 78.894279][ T8696] ? perf_trace_lock+0x4d0/0x4d0 [ 78.899497][ T8696] ? __free_zapped_classes+0x320/0x320 [ 78.904957][ T8696] lock_acquire+0x1ab/0x510 [ 78.909449][ T8696] ? __unix_dgram_recvmsg+0x226/0xb70 [ 78.914804][ T8696] ? lock_release+0x720/0x720 [ 78.919467][ T8696] __mutex_lock+0x12a/0x10a0 [ 78.924041][ T8696] ? __unix_dgram_recvmsg+0x226/0xb70 [ 78.929396][ T8696] ? __unix_dgram_recvmsg+0x226/0xb70 [ 78.934853][ T8696] ? mutex_lock_io_nested+0xf00/0xf00 [ 78.940209][ T8696] ? lock_release+0x720/0x720 [ 78.944869][ T8696] __unix_dgram_recvmsg+0x226/0xb70 [ 78.950057][ T8696] ? unix_stream_connect+0x1660/0x1660 [ 78.955510][ T8696] ? mutex_lock_io_nested+0xf00/0xf00 [ 78.960922][ T8696] ? unix_dgram_bpf_recvmsg+0x2c1/0xd10 [ 78.967771][ T8696] ? lock_downgrade+0x6e0/0x6e0 [ 78.972763][ T8696] ? __lock_acquire+0x162f/0x54a0 [ 78.977775][ T8696] unix_dgram_bpf_recvmsg+0x688/0xd10 [ 78.983555][ T8696] ? aa_sk_perm+0x31b/0xab0 [ 78.988054][ T8696] ? unix_sysctl_unregister+0x80/0x80 [ 78.993419][ T8696] ? aa_af_perm+0x230/0x230 [ 78.997908][ T8696] ? __might_fault+0xd3/0x180 [ 79.002578][ T8696] unix_seqpacket_recvmsg+0xed/0x150 [ 79.008696][ T8696] ? unix_dgram_recvmsg+0xf0/0xf0 [ 79.013829][ T8696] ____sys_recvmsg+0x2c4/0x600 [ 79.018603][ T8696] ? move_addr_to_kernel.part.0+0x110/0x110 [ 79.024497][ T8696] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.030730][ T8696] ? __import_iovec+0x2b5/0x530 [ 79.035571][ T8696] ? import_iovec+0x10c/0x150 [ 79.040320][ T8696] ___sys_recvmsg+0x127/0x200 [ 79.045078][ T8696] ? __copy_msghdr_from_user+0x4b0/0x4b0 [ 79.051183][ T8696] ? __lock_acquire+0x162f/0x54a0 [ 79.056292][ T8696] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 79.062283][ T8696] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 79.068334][ T8696] ? bpf_link_get_from_fd+0x110/0x110 [ 79.073935][ T8696] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 79.080192][ T8696] ? __fget_light+0x215/0x280 [ 79.084868][ T8696] ? __sanitizer_cov_trace_const_cmp8+0x1d/0x70 [ 79.091097][ T8696] __sys_recvmsg+0xe2/0x1a0 [ 79.095584][ T8696] ? __sys_recvmsg_sock+0x40/0x40 [ 79.100589][ T8696] ? syscall_enter_from_user_mode+0x21/0x70 [ 79.106467][ T8696] do_syscall_64+0x35/0xb0 [ 79.110864][ T8696] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 79.116742][ T8696] RIP: 0033:0x4665d9 [ 79.120632][ T8696] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48 [ 79.140220][ T8696] RSP: 002b:00007fff240ed5a8 EFLAGS: 00000246 ORIG_RAX: 000000000000002f [ 79.148624][ T8696] RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665d9 [ 79.156744][ T8696] RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000000000005 [ 79.164708][ T8696] RBP: 00000000004bfcb9 R08: 0000000000000000 R09: 0000000000000000 [ 79.172677][ T8696] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 [ 79.180634][ T8696] R13: 00007fff240ed740 R14: 000000000056bf80 R15: 000000000001336b [ 79.261686][ T27] Bluetooth: hci0: command 0x0409 tx timeout [ 81.341107][ T27] Bluetooth: hci0: command 0x041b tx timeout [ 83.425621][ T4881] Bluetooth: hci0: command 0x040f tx timeout [ 85.501163][ T27] Bluetooth: hci0: command 0x0419 tx timeout