forked to background, child pid 4654 no interfaces have a carrier [ 22.400770][ T4655] 8021q: adding VLAN 0 to HW filter on device bond0 [ 22.409904][ T4655] eql: remember to turn off Van-Jacobson compression on your slave devices Starting sshd: OK syzkaller Warning: Permanently added '10.128.1.30' (ECDSA) to the list of known hosts. 2023/03/03 06:19:31 ignoring optional flag "sandboxArg"="0" 2023/03/03 06:19:31 parsed 1 programs syzkaller login: [ 52.084988][ T5074] cgroup: Unknown subsys name 'net' [ 52.184486][ T5074] cgroup: Unknown subsys name 'rlimit' 2023/03/03 06:19:31 executed programs: 0 [ 52.291009][ T5069] memfd_create() without MFD_EXEC nor MFD_NOEXEC_SEAL, pid=5069 'syz-execprog' [ 52.333276][ T5083] Bluetooth: hci0: unexpected cc 0x0c03 length: 249 > 1 [ 52.340894][ T5083] Bluetooth: hci0: unexpected cc 0x1003 length: 249 > 9 [ 52.348434][ T5083] Bluetooth: hci0: unexpected cc 0x1001 length: 249 > 9 [ 52.356247][ T5083] Bluetooth: hci0: unexpected cc 0x0c23 length: 249 > 4 [ 52.364183][ T5083] Bluetooth: hci0: unexpected cc 0x0c25 length: 249 > 3 [ 52.371450][ T5083] Bluetooth: hci0: unexpected cc 0x0c38 length: 249 > 2 [ 52.444656][ T5082] chnl_net:caif_netlink_parms(): no params data found [ 52.474062][ T5082] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.481468][ T5082] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.488659][ T5082] bridge_slave_0: entered allmulticast mode [ 52.494982][ T5082] bridge_slave_0: entered promiscuous mode [ 52.502411][ T5082] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.509683][ T5082] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.516921][ T5082] bridge_slave_1: entered allmulticast mode [ 52.523263][ T5082] bridge_slave_1: entered promiscuous mode [ 52.537945][ T5082] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 52.548534][ T5082] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 52.565120][ T5082] team0: Port device team_slave_0 added [ 52.571817][ T5082] team0: Port device team_slave_1 added [ 52.584850][ T5082] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 52.591815][ T5082] 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. [ 52.617905][ T5082] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 52.630248][ T5082] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 52.637178][ T5082] 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. [ 52.663105][ T5082] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 52.685331][ T5082] hsr_slave_0: entered promiscuous mode [ 52.691467][ T5082] hsr_slave_1: entered promiscuous mode [ 52.744409][ T5082] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 52.753833][ T5082] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 52.762309][ T5082] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 52.770393][ T5082] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 52.785739][ T5082] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.792875][ T5082] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.800611][ T5082] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.807656][ T5082] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.837402][ T5082] 8021q: adding VLAN 0 to HW filter on device bond0 [ 52.850200][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 52.859804][ T14] bridge0: port 1(bridge_slave_0) entered disabled state [ 52.868673][ T14] bridge0: port 2(bridge_slave_1) entered disabled state [ 52.876279][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 52.888321][ T5082] 8021q: adding VLAN 0 to HW filter on device team0 [ 52.900273][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 52.908995][ T27] bridge0: port 1(bridge_slave_0) entered blocking state [ 52.916052][ T27] bridge0: port 1(bridge_slave_0) entered forwarding state [ 52.923923][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 52.932586][ T27] bridge0: port 2(bridge_slave_1) entered blocking state [ 52.939679][ T27] bridge0: port 2(bridge_slave_1) entered forwarding state [ 52.959458][ T5082] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 52.970567][ T5082] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 52.982571][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 52.992215][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 53.000573][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 53.009196][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 53.017435][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 53.025131][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 53.111993][ T5082] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 53.119884][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 53.127263][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 53.141732][ T14] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 53.157136][ T5082] veth0_vlan: entered promiscuous mode [ 53.163456][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 53.172170][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 53.179861][ T27] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 53.192788][ T5082] veth1_vlan: entered promiscuous mode [ 53.206774][ T5082] veth0_macvtap: entered promiscuous mode [ 53.213374][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 53.221272][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 53.229817][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 53.238672][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 53.249801][ T5082] veth1_macvtap: entered promiscuous mode [ 53.261998][ T5082] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 53.269481][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 53.282842][ T5082] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 53.290269][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 53.301528][ T5082] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.310418][ T5082] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.319207][ T5082] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.328280][ T5082] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 53.370963][ T9] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.382605][ T9] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.392900][ T4404] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 53.392977][ T3202] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 53.408319][ T3202] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 53.416773][ T892] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 54.331184][ T5212] [ 54.333518][ T5212] ====================================================== [ 54.340513][ T5212] WARNING: possible circular locking dependency detected [ 54.347533][ T5212] 6.2.0-syzkaller-13163-g04a357b1f6f0 #0 Not tainted [ 54.354183][ T5212] ------------------------------------------------------ [ 54.361211][ T5212] syz-executor.0/5212 is trying to acquire lock: [ 54.367512][ T5212] ffff88802551fa70 (&rs->rs_recv_lock){....}-{2:2}, at: rds_wake_sk_sleep+0x23/0xe0 [ 54.376894][ T5212] [ 54.376894][ T5212] but task is already holding lock: [ 54.384234][ T5212] ffff88802af85100 (&rm->m_rs_lock){....}-{2:2}, at: rds_send_remove_from_sock+0x340/0x9e0 [ 54.394211][ T5212] [ 54.394211][ T5212] which lock already depends on the new lock. [ 54.394211][ T5212] [ 54.404587][ T5212] [ 54.404587][ T5212] the existing dependency chain (in reverse order) is: [ 54.413586][ T5212] [ 54.413586][ T5212] -> #1 (&rm->m_rs_lock){....}-{2:2}: [ 54.421142][ T5212] _raw_spin_lock_irqsave+0x3d/0x60 [ 54.426849][ T5212] rds_message_put+0x1dd/0xc30 [ 54.432127][ T5212] rds_inc_put+0x13e/0x1a0 [ 54.437057][ T5212] rds_clear_recv_queue+0x14b/0x350 [ 54.442792][ T5212] rds_release+0xd8/0x3c0 [ 54.447625][ T5212] __sock_release+0xcd/0x290 [ 54.452725][ T5212] sock_close+0x1c/0x20 [ 54.457392][ T5212] __fput+0x27c/0xa90 [ 54.461881][ T5212] task_work_run+0x16f/0x270 [ 54.466984][ T5212] exit_to_user_mode_prepare+0x23c/0x250 [ 54.473127][ T5212] syscall_exit_to_user_mode+0x1d/0x50 [ 54.479099][ T5212] do_syscall_64+0x46/0xb0 [ 54.484022][ T5212] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.490427][ T5212] [ 54.490427][ T5212] -> #0 (&rs->rs_recv_lock){....}-{2:2}: [ 54.498223][ T5212] __lock_acquire+0x2ec7/0x5d40 [ 54.503665][ T5212] lock_acquire+0x1e3/0x670 [ 54.508673][ T5212] _raw_read_lock_irqsave+0x49/0x90 [ 54.514373][ T5212] rds_wake_sk_sleep+0x23/0xe0 [ 54.519642][ T5212] rds_send_remove_from_sock+0xb9/0x9e0 [ 54.525705][ T5212] rds_send_path_drop_acked+0x2f3/0x3d0 [ 54.531758][ T5212] rds_tcp_write_space+0x1b5/0x6d0 [ 54.537401][ T5212] tcp_check_space+0x11b/0x810 [ 54.542679][ T5212] tcp_rcv_established+0x93e/0x22a0 [ 54.548390][ T5212] tcp_v4_do_rcv+0x663/0x9d0 [ 54.553573][ T5212] __release_sock+0x133/0x3b0 [ 54.558760][ T5212] release_sock+0x58/0x1b0 [ 54.563688][ T5212] rds_send_xmit+0xafc/0x2580 [ 54.568874][ T5212] rds_sendmsg+0x27d3/0x31a0 [ 54.573968][ T5212] sock_sendmsg+0xde/0x190 [ 54.578893][ T5212] __sys_sendto+0x23a/0x340 [ 54.583898][ T5212] __x64_sys_sendto+0xe1/0x1b0 [ 54.589170][ T5212] do_syscall_64+0x39/0xb0 [ 54.594105][ T5212] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.600511][ T5212] [ 54.600511][ T5212] other info that might help us debug this: [ 54.600511][ T5212] [ 54.610716][ T5212] Possible unsafe locking scenario: [ 54.610716][ T5212] [ 54.618143][ T5212] CPU0 CPU1 [ 54.623511][ T5212] ---- ---- [ 54.628861][ T5212] lock(&rm->m_rs_lock); [ 54.633203][ T5212] lock(&rs->rs_recv_lock); [ 54.640313][ T5212] lock(&rm->m_rs_lock); [ 54.647140][ T5212] lock(&rs->rs_recv_lock); [ 54.651712][ T5212] [ 54.651712][ T5212] *** DEADLOCK *** [ 54.651712][ T5212] [ 54.659839][ T5212] 3 locks held by syz-executor.0/5212: [ 54.665273][ T5212] #0: ffff888021f7a5f0 (k-sk_lock-AF_INET){+.+.}-{0:0}, at: tcp_sock_set_cork+0x1a/0xa0 [ 54.675107][ T5212] #1: ffff888021f7a878 (k-clock-AF_INET){++.-}-{2:2}, at: rds_tcp_write_space+0x29/0x6d0 [ 54.685032][ T5212] #2: ffff88802af85100 (&rm->m_rs_lock){....}-{2:2}, at: rds_send_remove_from_sock+0x340/0x9e0 [ 54.695466][ T5212] [ 54.695466][ T5212] stack backtrace: [ 54.701332][ T5212] CPU: 1 PID: 5212 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-13163-g04a357b1f6f0 #0 [ 54.711293][ T5212] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 [ 54.721330][ T5212] Call Trace: [ 54.724596][ T5212] [ 54.727512][ T5212] dump_stack_lvl+0xd9/0x150 [ 54.732098][ T5212] check_noncircular+0x25f/0x2e0 [ 54.737069][ T5212] ? register_lock_class+0xbe/0x1120 [ 54.742363][ T5212] ? print_circular_bug+0x5c0/0x5c0 [ 54.747549][ T5212] ? register_lock_class+0xbe/0x1120 [ 54.752824][ T5212] ? mark_lock.part.0+0xee/0x1970 [ 54.757831][ T5212] ? stack_trace_save+0x90/0xc0 [ 54.762664][ T5212] ? is_dynamic_key.part.0+0x190/0x190 [ 54.768108][ T5212] __lock_acquire+0x2ec7/0x5d40 [ 54.772946][ T5212] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.778911][ T5212] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.784877][ T5212] lock_acquire+0x1e3/0x670 [ 54.789366][ T5212] ? rds_wake_sk_sleep+0x23/0xe0 [ 54.794285][ T5212] ? lock_release+0x780/0x780 [ 54.798949][ T5212] ? lock_release+0x780/0x780 [ 54.803609][ T5212] ? do_raw_spin_lock+0x124/0x2b0 [ 54.808618][ T5212] ? spin_bug+0x1c0/0x1c0 [ 54.812931][ T5212] _raw_read_lock_irqsave+0x49/0x90 [ 54.818113][ T5212] ? rds_wake_sk_sleep+0x23/0xe0 [ 54.823031][ T5212] rds_wake_sk_sleep+0x23/0xe0 [ 54.827778][ T5212] rds_send_remove_from_sock+0xb9/0x9e0 [ 54.833319][ T5212] rds_send_path_drop_acked+0x2f3/0x3d0 [ 54.838853][ T5212] ? tcp_data_queue+0x1a11/0x4c50 [ 54.843866][ T5212] ? rds_tcp_recv_exit+0x20/0x20 [ 54.848787][ T5212] ? rds_send_remove_from_sock+0x9e0/0x9e0 [ 54.854582][ T5212] ? sk_stream_wait_close+0x3e0/0x3e0 [ 54.859963][ T5212] rds_tcp_write_space+0x1b5/0x6d0 [ 54.865081][ T5212] ? ktime_get+0x38e/0x470 [ 54.869503][ T5212] tcp_check_space+0x11b/0x810 [ 54.874259][ T5212] tcp_rcv_established+0x93e/0x22a0 [ 54.879464][ T5212] ? __release_sock+0xd4/0x3b0 [ 54.884226][ T5212] ? tcp_check_space+0x810/0x810 [ 54.889156][ T5212] tcp_v4_do_rcv+0x663/0x9d0 [ 54.893736][ T5212] __release_sock+0x133/0x3b0 [ 54.898406][ T5212] release_sock+0x58/0x1b0 [ 54.902811][ T5212] ? rds_tcp_xmit_path_prepare+0xa0/0xa0 [ 54.908435][ T5212] rds_send_xmit+0xafc/0x2580 [ 54.913105][ T5212] ? rds_send_mprds_hash+0x450/0x450 [ 54.918376][ T5212] rds_sendmsg+0x27d3/0x31a0 [ 54.922959][ T5212] ? rds_send_drop_to+0x13f0/0x13f0 [ 54.928145][ T5212] ? aa_af_perm+0x240/0x240 [ 54.932637][ T5212] ? __fget_files+0x26a/0x480 [ 54.937303][ T5212] ? rds_send_drop_to+0x13f0/0x13f0 [ 54.942494][ T5212] sock_sendmsg+0xde/0x190 [ 54.946912][ T5212] __sys_sendto+0x23a/0x340 [ 54.951402][ T5212] ? __ia32_sys_getpeername+0xb0/0xb0 [ 54.956760][ T5212] ? lockdep_hardirqs_on_prepare+0x410/0x410 [ 54.962732][ T5212] ? xfd_validate_state+0x5d/0x180 [ 54.967835][ T5212] ? restore_fpregs_from_fpstate+0xc1/0x1c0 [ 54.973726][ T5212] __x64_sys_sendto+0xe1/0x1b0 [ 54.978481][ T5212] ? syscall_enter_from_user_mode+0x26/0xb0 [ 54.984370][ T5212] do_syscall_64+0x39/0xb0 [ 54.988779][ T5212] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 54.994685][ T5212] RIP: 0033:0x7f6a0968c0f9 [ 54.999087][ T5212] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 19 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 55.018701][ T5212] RSP: 002b:00007f6a0a30b168 EFLAGS: 00000246 ORIG_RAX: 000000000000002c [ 55.027120][ T5212] RAX: ffffffffffffffda RBX: 00007f6a097ac050 RCX: 00007f6a0968c0f9 [ 55.035077][ T5212] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 [ 55.043045][ T5212] RBP: 00007f6a096e7ae9 R08: 0000000000000000 R09: 0000000000000000 [ 55.051034][ T5212] R10: 0000000000000040 R11: 0000000000000246 R12: 0000000000000000 [ 55.058992][ T5212] R13: 00007ffe95b7204f R14: 00007f6a0a30b300 R15: 0000000000022000 [ 55.066972][ T5212] [ 55.070438][ T4399] Bluetooth: hci0: command 0x0409 tx timeout [ 57.077888][ T4399] Bluetooth: hci0: command 0x041b tx timeout 2023/03/03 06:19:36 executed programs: 136 [ 59.158020][ T4399] Bluetooth: hci0: command 0x040f tx timeout [ 61.237887][ T4399] Bluetooth: hci0: command 0x0419 tx timeout 2023/03/03 06:19:41 executed programs: 394