[info] Using makefile-style concurrent boot in runlevel 2. [ 55.575061][ T26] audit: type=1800 audit(1568594697.054:21): pid=9135 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 55.616746][ T26] audit: type=1800 audit(1568594697.054:22): pid=9135 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.24' (ECDSA) to the list of known hosts. syzkaller login: [ 67.198953][ T9287] IPVS: ftp: loaded support on port[0] = 21 [ 67.234881][ T9287] chnl_net:caif_netlink_parms(): no params data found [ 67.254676][ T9287] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.262260][ T9287] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.269817][ T9287] device bridge_slave_0 entered promiscuous mode [ 67.277020][ T9287] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.284145][ T9287] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.291645][ T9287] device bridge_slave_1 entered promiscuous mode [ 67.303804][ T9287] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.314105][ T9287] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.329088][ T9287] team0: Port device team_slave_0 added [ 67.335425][ T9287] team0: Port device team_slave_1 added [ 67.389112][ T9287] device hsr_slave_0 entered promiscuous mode [ 67.427916][ T9287] device hsr_slave_1 entered promiscuous mode [ 67.472327][ T9287] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.479682][ T9287] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.486945][ T9287] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.494018][ T9287] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.516849][ T9287] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.526302][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.545137][ T3624] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.553236][ T3624] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.561350][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 67.570973][ T9287] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.580011][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.588338][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.595380][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.604592][ T3624] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.613310][ T3624] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.620415][ T3624] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.636687][ T9287] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.648552][ T9287] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.661837][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.670777][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.679165][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.688221][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.696434][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.704030][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready executing program [ 67.718127][ T9287] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.949853][ T9297] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:909 [ 67.959182][ T9297] in_atomic(): 1, irqs_disabled(): 0, pid: 9297, name: syz-executor942 [ 67.967403][ T9297] INFO: lockdep is turned off. [ 67.972172][ T9297] Preemption disabled at: [ 67.972187][ T9297] [] sfb_change+0x284/0xd30 [ 67.982560][ T9297] CPU: 0 PID: 9297 Comm: syz-executor942 Not tainted 5.3.0-rc8+ #0 [ 67.990432][ T9297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.000475][ T9297] Call Trace: [ 68.003756][ T9297] dump_stack+0x1d8/0x2f8 [ 68.008074][ T9297] ___might_sleep+0x3ff/0x530 [ 68.012728][ T9297] ? sfb_change+0x284/0xd30 [ 68.017212][ T9297] __might_sleep+0x8f/0x100 [ 68.021693][ T9297] __mutex_lock_common+0x4e/0x2820 [ 68.026778][ T9297] ? fifo_create_dflt+0x1cf/0x290 [ 68.031774][ T9297] ? sfb_change+0x197/0xd30 [ 68.036249][ T9297] ? tc_modify_qdisc+0x184d/0x1ea0 [ 68.041343][ T9297] ? rtnetlink_rcv_msg+0x889/0xd40 [ 68.046424][ T9297] ? netlink_rcv_skb+0x19e/0x3d0 [ 68.051340][ T9297] ? rtnetlink_rcv+0x1c/0x20 [ 68.055909][ T9297] ? tcf_chain0_head_change_cb_del+0x30/0x390 [ 68.061954][ T9297] ? netlink_sendmsg+0x993/0xc50 [ 68.066864][ T9297] ? ___sys_sendmsg+0x60d/0x910 [ 68.071699][ T9297] ? __x64_sys_sendmsg+0x17c/0x200 [ 68.076785][ T9297] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.082823][ T9297] ? debug_check_no_obj_freed+0x505/0x5b0 [ 68.088514][ T9297] ? debug_check_no_obj_freed+0x505/0x5b0 [ 68.094206][ T9297] mutex_lock_nested+0x1b/0x30 [ 68.098953][ T9297] tcf_chain0_head_change_cb_del+0x30/0x390 [ 68.104842][ T9297] tcf_block_put_ext+0x3d/0x2a0 [ 68.109676][ T9297] tcf_block_put+0x6e/0x90 [ 68.114072][ T9297] sfb_destroy+0x47/0x70 [ 68.118295][ T9297] ? sfb_reset+0x180/0x180 [ 68.122681][ T9297] qdisc_destroy+0x147/0x4d0 [ 68.127239][ T9297] qdisc_put+0x58/0x90 [ 68.131280][ T9297] sfb_change+0x52d/0xd30 [ 68.135584][ T9297] ? nla_strcmp+0xd2/0x120 [ 68.139972][ T9297] ? sfb_destroy+0x70/0x70 [ 68.144371][ T9297] tc_modify_qdisc+0x184d/0x1ea0 [ 68.149300][ T9297] ? trace_lock_release+0x135/0x1a0 [ 68.154470][ T9297] ? rcu_lock_release+0x30/0x30 [ 68.159298][ T9297] rtnetlink_rcv_msg+0x889/0xd40 [ 68.164216][ T9297] ? rcu_lock_release+0xd/0x30 [ 68.168954][ T9297] ? rcu_lock_release+0xd/0x30 [ 68.173690][ T9297] ? __local_bh_enable_ip+0x13a/0x240 [ 68.179031][ T9297] ? check_preemption_disabled+0x47/0x2a0 [ 68.184730][ T9297] ? trace_irq_enable_rcuidle+0x23/0x1e0 [ 68.190343][ T9297] ? local_bh_enable+0x9/0x30 [ 68.194988][ T9297] ? trace_hardirqs_on+0x74/0x80 [ 68.199898][ T9297] ? __local_bh_enable_ip+0x13a/0x240 [ 68.205337][ T9297] ? local_bh_enable+0x1f/0x30 [ 68.210072][ T9297] ? rcu_lock_release+0x9/0x30 [ 68.214819][ T9297] ? trace_lock_release+0x135/0x1a0 [ 68.219998][ T9297] ? rcu_lock_release+0x9/0x30 [ 68.224750][ T9297] netlink_rcv_skb+0x19e/0x3d0 [ 68.229495][ T9297] ? rtnetlink_bind+0x80/0x80 [ 68.234144][ T9297] rtnetlink_rcv+0x1c/0x20 [ 68.238531][ T9297] netlink_unicast+0x787/0x900 [ 68.243266][ T9297] netlink_sendmsg+0x993/0xc50 [ 68.248006][ T9297] ? netlink_getsockopt+0x9f0/0x9f0 [ 68.253180][ T9297] ___sys_sendmsg+0x60d/0x910 [ 68.257839][ T9297] ? rcu_lock_release+0xd/0x30 [ 68.262592][ T9297] ? rcu_lock_release+0x26/0x30 [ 68.267412][ T9297] ? __fget+0x4e6/0x510 [ 68.271545][ T9297] ? __fdget+0x17c/0x200 [ 68.276112][ T9297] __x64_sys_sendmsg+0x17c/0x200 [ 68.281897][ T9297] do_syscall_64+0xfe/0x140 [ 68.286373][ T9297] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 68.292234][ T9297] RIP: 0033:0x447509 [ 68.296101][ T9297] Code: e8 5c 14 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 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 0f 83 ab 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 68.316207][ T9297] RSP: 002b:00007f49d6c94db8 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 68.324595][ T9297] RAX: ffffffffffffffda RBX: 00000000006dcc78 RCX: 0000000000447509 [ 68.332561][ T9297] RDX: 0000000000000000 RSI: 0000000020000240 RDI: 0000000000000007 [ 68.340511][ T9297] RBP: 00000000006dcc70 R08: 0000000000000000 R09: 0000000000000000 [ 68.348457][ T9297] R10: 00000000ffffffff R11: 0000000000000246 R12: 00000000006dcc7c [ 68.356397][ T9297] R13: 00007ffc5c2e9dff R14: 00007f49d6c959c0 R15: 000000000000002d