[ 42.313594][ T23] audit: type=1800 audit(1575398042.278:27): pid=7986 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.362422][ T23] audit: type=1800 audit(1575398042.288:28): pid=7986 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.852073][ T23] audit: type=1800 audit(1575398042.878:29): pid=7986 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.871832][ T23] audit: type=1800 audit(1575398042.888:30): pid=7986 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.116' (ECDSA) to the list of known hosts. 2019/12/03 18:34:13 fuzzer started 2019/12/03 18:34:14 dialing manager at 10.128.0.26:42111 2019/12/03 18:34:14 syscalls: 2689 2019/12/03 18:34:14 code coverage: enabled 2019/12/03 18:34:14 comparison tracing: enabled 2019/12/03 18:34:14 extra coverage: extra coverage is not supported by the kernel 2019/12/03 18:34:14 setuid sandbox: enabled 2019/12/03 18:34:14 namespace sandbox: enabled 2019/12/03 18:34:14 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 18:34:14 fault injection: enabled 2019/12/03 18:34:14 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 18:34:14 net packet injection: enabled 2019/12/03 18:34:14 net device setup: enabled 2019/12/03 18:34:14 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 18:34:14 devlink PCI setup: PCI device 0000:00:10.0 is not available 18:34:15 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f000000d000)={0xc, 0x3, &(0x7f0000008000)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x6, 0x77}}, &(0x7f0000000000)='syzkaller\x00', 0x2, 0x1110, &(0x7f0000014000)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x1a3}, 0x48) 18:34:15 executing program 1: openat$proc_capi20ncci(0xffffffffffffff9c, 0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = inotify_init() inotify_add_watch(r0, &(0x7f0000000240)='.\x00', 0xc0000080) inotify_rm_watch(0xffffffffffffffff, 0x0) preadv(0xffffffffffffffff, 0x0, 0x0, 0x0) fsetxattr$system_posix_acl(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0) syzkaller login: [ 55.944514][ T8150] IPVS: ftp: loaded support on port[0] = 21 18:34:16 executing program 2: r0 = socket$inet(0x2, 0x3, 0x7) setsockopt$inet_mreqn(r0, 0x0, 0x27, &(0x7f0000000380)={@multicast2, @local}, 0xc) setsockopt$inet_mreqn(r0, 0x0, 0x24, &(0x7f0000000340)={@multicast2, @local}, 0xc) [ 56.090094][ T8150] chnl_net:caif_netlink_parms(): no params data found [ 56.141891][ T8153] IPVS: ftp: loaded support on port[0] = 21 [ 56.155174][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.163052][ T8150] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.171192][ T8150] device bridge_slave_0 entered promiscuous mode [ 56.181420][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.188810][ T8150] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.197851][ T8150] device bridge_slave_1 entered promiscuous mode [ 56.221105][ T8150] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.232976][ T8150] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.261839][ T8150] team0: Port device team_slave_0 added [ 56.272589][ T8150] team0: Port device team_slave_1 added [ 56.346253][ T8150] device hsr_slave_0 entered promiscuous mode 18:34:16 executing program 3: bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x4a}, [@ldst={0x4}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000080), 0xfffffffffffffffb}, 0x48) [ 56.463918][ T8150] device hsr_slave_1 entered promiscuous mode [ 56.497608][ T8155] IPVS: ftp: loaded support on port[0] = 21 18:34:16 executing program 4: socketpair$unix(0x1, 0x3, 0x0, &(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket$alg(0x26, 0x5, 0x0) bind$alg(r3, &(0x7f0000000100)={0x26, 'hash\x00', 0x0, 0x0, 'xcbc(aes)\x00'}, 0x58) setsockopt$ALG_SET_KEY(r3, 0x117, 0x1, &(0x7f00000000c0)="0affefff7f000000001e6ea64aa8e1c9", 0x10) r4 = socket$isdn_base(0x22, 0x3, 0x0) close(r4) accept4(r3, 0x0, 0x0, 0x0) sendmmsg$inet(r4, &(0x7f0000000480)=[{{0x0, 0x0, &(0x7f0000000400)=[{&(0x7f0000000040)="e1", 0x1}], 0x1}}], 0x8, 0x0) [ 56.601554][ T8150] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.774360][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 56.789494][ T8150] netdevsim netdevsim0 netdevsim1: renamed from eth1 18:34:16 executing program 5: r0 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r0, 0x6, 0x80000000000002, &(0x7f00000000c0)=0x2000000000000074, 0x25d) bind$inet(r0, &(0x7f0000000280)={0x2, 0x4e23, @multicast1}, 0x10) getsockopt$inet_sctp6_SCTP_STREAM_SCHEDULER(0xffffffffffffffff, 0x84, 0x7b, 0x0, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000480)={0x1, &(0x7f0000000400)=[{0x6, 0x0, 0x0, 0xe5}]}, 0x10) setsockopt$TIPC_SRC_DROPPABLE(0xffffffffffffffff, 0x10f, 0x80, 0x0, 0x0) sendto$inet(r0, 0x0, 0x0, 0x200007fd, &(0x7f0000e68000)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r0, 0x6, 0xd, &(0x7f0000000000)='bbr\x00', 0x3) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$dupfd(0xffffffffffffffff, 0x0, 0xffffffffffffffff) fcntl$getownex(0xffffffffffffffff, 0x10, 0x0) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) setsockopt$sock_int(r0, 0x1, 0x8, &(0x7f0000000600)=0xda9, 0x24c) sendto$inet(r0, &(0x7f00000012c0)="20048a927f1f6588b967481241ba7860f46ef65ac618ded8971495abeaf4b4834ff922b3f1e0b02bd67aa03059bcecc7a95c25a3a07e758044ab4ea6f7ae55d88fecf9221a750fbf746bec66ba", 0xfe6a, 0xe, 0x0, 0xfffffffffffffe2b) [ 56.861538][ T8153] chnl_net:caif_netlink_parms(): no params data found [ 56.886184][ T8150] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.945209][ T8150] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.954605][ T8160] IPVS: ftp: loaded support on port[0] = 21 [ 57.008376][ T8162] IPVS: ftp: loaded support on port[0] = 21 [ 57.008866][ T8150] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.021530][ T8150] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.029566][ T8150] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.036661][ T8150] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.072618][ T8153] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.082150][ T8153] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.090450][ T8153] device bridge_slave_0 entered promiscuous mode [ 57.100570][ T8153] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.108109][ T8153] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.116335][ T8153] device bridge_slave_1 entered promiscuous mode [ 57.146742][ T8163] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.155271][ T8163] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.197265][ T8153] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.208674][ T8153] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.282717][ T8153] team0: Port device team_slave_0 added [ 57.293050][ T8153] team0: Port device team_slave_1 added [ 57.335661][ T8153] device hsr_slave_0 entered promiscuous mode [ 57.383959][ T8153] device hsr_slave_1 entered promiscuous mode [ 57.443755][ T8153] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.495995][ T8155] chnl_net:caif_netlink_parms(): no params data found [ 57.518792][ T8150] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.602341][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 57.617616][ T8160] chnl_net:caif_netlink_parms(): no params data found [ 57.633342][ T8153] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.679071][ T8153] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.770629][ T8155] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.778121][ T8155] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.786026][ T8155] device bridge_slave_0 entered promiscuous mode [ 57.793201][ T8153] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.846407][ T8153] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.908576][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 57.917334][ T8155] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.924750][ T8155] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.932683][ T8155] device bridge_slave_1 entered promiscuous mode [ 57.942938][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.951720][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.979124][ T8150] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.001170][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.008585][ T8160] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.016522][ T8160] device bridge_slave_0 entered promiscuous mode [ 58.025468][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.032527][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.040549][ T8158] device bridge_slave_0 entered promiscuous mode [ 58.049244][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.056405][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.064641][ T8158] device bridge_slave_1 entered promiscuous mode [ 58.082427][ T8160] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.089866][ T8160] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.097534][ T8160] device bridge_slave_1 entered promiscuous mode [ 58.131134][ T8155] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.142301][ T8155] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.157185][ T8160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.168255][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.177423][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.186033][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.193090][ T8164] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.206816][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.228866][ T8160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.244263][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.251323][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.259536][ T8162] device bridge_slave_0 entered promiscuous mode [ 58.268170][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.279511][ T8155] team0: Port device team_slave_0 added [ 58.286366][ T8163] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.295696][ T8163] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.304194][ T8163] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.311483][ T8163] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.329392][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.337763][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.345926][ T8162] device bridge_slave_1 entered promiscuous mode [ 58.366317][ T8155] team0: Port device team_slave_1 added [ 58.374264][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.383748][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.400367][ T8160] team0: Port device team_slave_0 added [ 58.420478][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.429922][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.441602][ T45] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.451622][ T8160] team0: Port device team_slave_1 added [ 58.459044][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.515482][ T8155] device hsr_slave_0 entered promiscuous mode [ 58.554740][ T8155] device hsr_slave_1 entered promiscuous mode [ 58.596470][ T8155] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.606091][ T8158] team0: Port device team_slave_0 added [ 58.622490][ T8150] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.633211][ T8150] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.647872][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.664177][ T8158] team0: Port device team_slave_1 added [ 58.686016][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.694914][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.703148][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.711679][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.721202][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.729767][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.738768][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.795724][ T8160] device hsr_slave_0 entered promiscuous mode [ 58.834355][ T8160] device hsr_slave_1 entered promiscuous mode [ 58.874075][ T8160] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.888482][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.896245][ T8164] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.935664][ T8162] team0: Port device team_slave_0 added [ 58.996607][ T8158] device hsr_slave_0 entered promiscuous mode [ 59.024134][ T8158] device hsr_slave_1 entered promiscuous mode [ 59.064374][ T8158] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.083244][ T8162] team0: Port device team_slave_1 added [ 59.106026][ T8150] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.146711][ T8162] device hsr_slave_0 entered promiscuous mode [ 59.174278][ T8162] device hsr_slave_1 entered promiscuous mode [ 59.213762][ T8162] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.242726][ T8155] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.309051][ T8160] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.351639][ T8155] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.376832][ T8173] [ 59.379217][ T8173] ********************************************************** [ 59.392295][ T8173] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 59.403405][ T8155] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.410220][ T8173] ** ** [ 59.419033][ T8173] ** trace_printk() being used. Allocating extra memory. ** [ 59.426905][ T8173] ** ** [ 59.434862][ T8173] ** This means that this is a DEBUG kernel and it is ** [ 59.442566][ T8173] ** unsafe for production use. ** [ 59.450519][ T8173] ** ** [ 59.458224][ T8173] ** If you see this message and you are not debugging ** [ 59.465933][ T8173] ** the kernel, report this immediately to your vendor! ** [ 59.473355][ T8173] ** ** [ 59.481146][ T8173] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 59.489212][ T8173] ********************************************************** [ 60.177233][ T8174] [ 60.179656][ T8174] ********************************************************** [ 60.187476][ T8174] ** NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE ** [ 60.195229][ T8174] ** ** [ 60.202901][ T8174] ** trace_printk() being used. Allocating extra memory. ** [ 60.211082][ T8174] ** ** [ 60.219016][ T8174] ** This means that this is a DEBUG kernel and it is ** [ 164.383456][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.390255][ C0] rcu: 0-...!: (10499 ticks this GP) idle=3c2/1/0x4000000000000002 softirq=11327/11327 fqs=41 [ 164.400843][ C0] (t=10500 jiffies g=5937 q=111) [ 164.405866][ C0] rcu: rcu_preempt kthread starved for 10417 jiffies! g5937 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.417035][ C0] rcu: RCU grace-period kthread stack dump: [ 164.422909][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.430796][ C0] Call Trace: [ 164.434085][ C0] __schedule+0x9a0/0xcc0 [ 164.438410][ C0] schedule+0x181/0x210 [ 164.442555][ C0] schedule_timeout+0x14f/0x240 [ 164.447393][ C0] ? run_local_timers+0x120/0x120 [ 164.452408][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.457166][ C0] kthread+0x332/0x350 [ 164.461218][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.466316][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.470896][ C0] ret_from_fork+0x24/0x30 [ 164.475311][ C0] NMI backtrace for cpu 0 [ 164.479642][ C0] CPU: 0 PID: 32 Comm: kworker/u4:2 Not tainted 5.4.0-syzkaller #0 [ 164.487513][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.497565][ C0] Workqueue: bat_events batadv_nc_worker [ 164.503180][ C0] Call Trace: [ 164.506448][ C0] [ 164.509288][ C0] dump_stack+0x1fb/0x318 [ 164.513610][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.518443][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.524582][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.530636][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.536605][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.542743][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.547845][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.553032][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.558047][ C0] update_process_times+0x12d/0x180 [ 164.563233][ C0] tick_sched_timer+0x263/0x420 [ 164.568069][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.573599][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.578798][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.583739][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.589013][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.594546][ C0] apic_timer_interrupt+0xf/0x20 [ 164.599464][ C0] [ 164.602392][ C0] RIP: 0010:free_thread_stack+0x151/0x590 [ 164.608097][ C0] Code: 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 49 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 <74> 08 48 89 df e8 25 a4 69 00 48 8b 3b be fc ff ff ff e8 28 04 00 [ 164.627686][ C0] RSP: 0018:ffffc90000ea7988 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.636083][ C0] RAX: 1ffff1100d810261 RBX: ffff88806c081308 RCX: 0000000000000000 [ 164.644040][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00027fa000 [ 164.651995][ C0] RBP: ffffc90000ea79c0 R08: 000000000003a768 R09: ffffed101356a73f [ 164.659951][ C0] R10: ffffed101356a73f R11: 0000000000000000 R12: ffff88806c0813a0 [ 164.667910][ C0] R13: dffffc0000000000 R14: 1ffff1100d810274 R15: ffff88809ab539e8 [ 164.676029][ C0] ? free_thread_stack+0x12e/0x590 [ 164.681160][ C0] put_task_stack+0xa3/0x130 [ 164.685757][ C0] finish_task_switch+0x3f1/0x550 [ 164.690786][ C0] __schedule+0x9a8/0xcc0 [ 164.695122][ C0] preempt_schedule_irq+0xc1/0x140 [ 164.700223][ C0] retint_kernel+0x1b/0x2b [ 164.704628][ C0] RIP: 0010:lock_release+0x4c7/0x780 [ 164.709897][ C0] Code: 48 c1 e8 03 80 3c 10 00 74 0c 48 c7 c7 28 96 0a 89 e8 9d 5b 56 00 48 83 3d bd de ae 07 00 0f 84 8c 02 00 00 48 8b 7d 88 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 0f 85 70 02 [ 164.729488][ C0] RSP: 0018:ffffc90000ea7bd8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 164.737883][ C0] RAX: 1ffffffff12152c5 RBX: ffff8880a98c2a48 RCX: ffffffff815bbb47 [ 164.745858][ C0] RDX: dffffc0000000000 RSI: ffff8880a98c2ac8 RDI: 0000000000000286 [ 164.753816][ C0] RBP: ffffc90000ea7c58 R08: dffffc0000000000 R09: fffffbfff12877ed [ 164.761773][ C0] R10: fffffbfff12877ed R11: 0000000000000000 R12: 0000000000000002 [ 164.769732][ C0] R13: 0000000000000000 R14: 715cd7f0b0c78cc0 R15: 000000000002002b [ 164.777703][ C0] ? trace_lock_release+0x117/0x1a0 [ 164.782896][ C0] ? rcu_lock_release+0x9/0x30 [ 164.787654][ C0] rcu_lock_release+0x21/0x30 [ 164.792317][ C0] batadv_nc_worker+0x281/0x600 [ 164.797165][ C0] process_one_work+0x7ef/0x10d0 [ 164.802105][ C0] worker_thread+0xc01/0x1630 [ 164.806796][ C0] kthread+0x332/0x350 [ 164.810854][ C0] ? rcu_lock_release+0x30/0x30 [ 164.815718][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.820300][ C0] ret_from_fork+0x24/0x30