Warning: Permanently added '10.128.0.45' (ECDSA) to the list of known hosts. 2019/12/04 06:21:09 fuzzer started 2019/12/04 06:21:10 dialing manager at 10.128.0.26:42111 2019/12/04 06:21:10 syscalls: 2689 2019/12/04 06:21:10 code coverage: enabled 2019/12/04 06:21:10 comparison tracing: enabled 2019/12/04 06:21:10 extra coverage: extra coverage is not supported by the kernel 2019/12/04 06:21:10 setuid sandbox: enabled 2019/12/04 06:21:10 namespace sandbox: enabled 2019/12/04 06:21:10 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 06:21:10 fault injection: enabled 2019/12/04 06:21:10 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 06:21:10 net packet injection: enabled 2019/12/04 06:21:10 net device setup: enabled 2019/12/04 06:21:10 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 06:21:10 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:21:11 executing program 0: perf_event_open(&(0x7f000025c000)={0x2, 0x70, 0x5aeb, 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x3, 0x3) bind(0xffffffffffffffff, &(0x7f0000000100)=@generic={0x0, "0000010000000000080044944eeba71a4976e252922cb18f6e2e2aba000000012e0b3836005404b0e0301a4ce875f2e3ff5f163ee340b7679500800000000000000101013c5811039e15775027ecce66fd792bbf0e5bf5ff1b0816f3f6db1c00010000000000000049740000000000000006ad8e5ecc326d3a09ffc2c654"}, 0x80) ioctl$FS_IOC_GETFSLABEL(r0, 0x5411, &(0x7f0000000100)) 06:21:12 executing program 1: syz_mount_image$ext4(0x0, 0x0, 0x0, 0x1, &(0x7f00000007c0)=[{&(0x7f0000000580)="62f23e748cdfecc0d3bcb88248f9f8f8e87edc5637656d6e511dcdc6041c8d8a0957939950c15c7ac6360c7820e1d5957ba4167f17600b58767db91e29eb92a20f86dddfb0f8dda322d3ddeadba924051c7894f228f090746b1a55e851e7dcaae4d8411f6806d216b4f2e7eca231a301cc0c9bb4bb5598a94336a99790d3b77dcda45483c1fb1194c56ddfddb587442754e6", 0x92, 0x9}], 0x0, 0x0) sendmsg$TIPC_NL_NODE_GET(0xffffffffffffffff, &(0x7f0000000440)={0x0, 0x0, &(0x7f0000000400)={&(0x7f0000000240)=ANY=[@ANYBLOB, @ANYRES16=0x0, @ANYBLOB="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"], 0x100}}, 0x0) syz_mount_image$ext4(&(0x7f0000000080)='ext4\x00', &(0x7f0000000000)='./file0\x00', 0x0, 0xabb, &(0x7f0000000100)=[{&(0x7f00000000c0)="800000003804000019000300e60100006c000000000000000100000001000000004000000040000080000000000000006d5ebe5a0000ffff53ef", 0x4db, 0x400}], 0x4801, 0x0) syzkaller login: [ 56.268817][ T8340] IPVS: ftp: loaded support on port[0] = 21 06:21:12 executing program 2: r0 = perf_event_open(&(0x7f0000000440)={0x2, 0x70, 0xb8, 0x2, 0x0, 0x0, 0x0, 0x0, 0x832299c40793753, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet6_tcp_TCP_MD5SIG(0xffffffffffffffff, 0x6, 0xe, &(0x7f0000000180)={@in={{0x2, 0x4e22, @dev={0xac, 0x14, 0x14, 0x2b}}}, 0x0, 0x5, 0x0, "0000e98a6e9a990ceacccad6ffff0000adbfb251c09e5993d319d88199f6923e646c1d3caad49bc3c0a86bd1942b5a8dd3403bbe1ccf0100"}, 0xfffffffffffffeae) r1 = openat$ptmx(0xffffffffffffff9c, 0x0, 0x0, 0x0) socket$inet(0x10, 0x0, 0x0) clone(0x2000000002000100, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) ioctl$TIOCGISO7816(r1, 0x80285442, &(0x7f0000000600)) mkdir(&(0x7f0000000100)='./file0\x00', 0x0) mount(0x0, &(0x7f0000000240)='./file0\x00', &(0x7f0000000300)='ramfs\x00', 0x0, 0x0) mount(0x0, &(0x7f0000000240)='./file0\x00', 0x0, 0x100000, 0x0) mount(0x0, &(0x7f0000000080)='.', 0x0, 0x9c18790b96db6e4, 0x0) mount(&(0x7f0000000180)=@filename='./file0\x00', &(0x7f00000000c0)='.', 0x0, 0x23880, 0x0) mount(&(0x7f0000000080), &(0x7f0000187ff8)='.', 0x0, 0x5010, 0x0) creat(&(0x7f0000000340)='./file0\x00', 0x84) epoll_ctl$EPOLL_CTL_DEL(0xffffffffffffffff, 0x2, r0) clone(0x4200a400, 0x0, 0x0, 0x0, 0x0) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000caaffb), &(0x7f0000cab000)=0x3d7) ioctl$sock_inet_SIOCGIFDSTADDR(0xffffffffffffffff, 0x8917, &(0x7f0000000400)={'ip_vti0\x00', {0x2, 0x4e20, @local}}) ioctl$TIOCGSOFTCAR(0xffffffffffffffff, 0x5419, &(0x7f00000003c0)) [ 56.446003][ T8340] chnl_net:caif_netlink_parms(): no params data found [ 56.456433][ T8342] IPVS: ftp: loaded support on port[0] = 21 [ 56.591020][ T8340] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.598753][ T8340] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.608143][ T8340] device bridge_slave_0 entered promiscuous mode [ 56.628178][ T8345] IPVS: ftp: loaded support on port[0] = 21 [ 56.637353][ T8340] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.647206][ T8340] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.657507][ T8340] device bridge_slave_1 entered promiscuous mode [ 56.707591][ T8340] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.726901][ T8342] chnl_net:caif_netlink_parms(): no params data found [ 56.743346][ T8340] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:21:12 executing program 3: unshare(0x400) r0 = socket$inet6(0xa, 0x2, 0x0) shutdown(r0, 0x3) [ 56.812288][ T8340] team0: Port device team_slave_0 added [ 56.826213][ T8342] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.837507][ T8342] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.845899][ T8342] device bridge_slave_0 entered promiscuous mode [ 56.862639][ T8340] team0: Port device team_slave_1 added [ 56.895798][ T8342] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.912191][ T8342] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.932219][ T8342] device bridge_slave_1 entered promiscuous mode [ 56.991899][ T8342] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.012108][ T8342] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.036043][ T8348] IPVS: ftp: loaded support on port[0] = 21 06:21:12 executing program 4: mkdirat(0xffffffffffffff9c, &(0x7f00000000c0)='./file0\x00', 0x0) lsetxattr$smack_xattr_label(&(0x7f0000000140)='./file0\x00', &(0x7f0000000180)='security.SMACK64MMAP\x00', &(0x7f00000001c0)={'./cgroup.net/syz1\xa0'}, 0x13, 0x0) [ 57.113263][ T8340] device hsr_slave_0 entered promiscuous mode [ 57.150514][ T8340] device hsr_slave_1 entered promiscuous mode [ 57.232896][ T8345] chnl_net:caif_netlink_parms(): no params data found [ 57.241891][ T8351] IPVS: ftp: loaded support on port[0] = 21 [ 57.279026][ T8342] team0: Port device team_slave_0 added 06:21:13 executing program 5: r0 = syz_init_net_socket$bt_hci(0x1f, 0x3, 0x1) r1 = fcntl$dupfd(r0, 0x0, r0) bind$bt_rfcomm(r1, &(0x7f0000000540)={0x1f, {0x0, 0x0, 0x7}}, 0xa) [ 57.323374][ T8342] team0: Port device team_slave_1 added [ 57.345817][ T8340] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 57.423043][ T8340] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.490061][ T8345] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.497879][ T8345] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.506161][ T8345] device bridge_slave_0 entered promiscuous mode [ 57.513829][ T8345] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.520990][ T8345] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.528546][ T8345] device bridge_slave_1 entered promiscuous mode [ 57.552638][ T8340] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.663235][ T8342] device hsr_slave_0 entered promiscuous mode [ 57.710541][ T8342] device hsr_slave_1 entered promiscuous mode [ 57.770602][ T8342] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.782099][ T8340] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.846152][ T8345] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.861234][ T8354] IPVS: ftp: loaded support on port[0] = 21 [ 57.871675][ T8345] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.922298][ T8342] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.985198][ T8345] team0: Port device team_slave_0 added [ 57.994117][ T8345] team0: Port device team_slave_1 added [ 58.011191][ T8342] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.068034][ T8342] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.149936][ T8342] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.232948][ T8348] chnl_net:caif_netlink_parms(): no params data found [ 58.242800][ T8351] chnl_net:caif_netlink_parms(): no params data found [ 58.312027][ T8345] device hsr_slave_0 entered promiscuous mode [ 58.370559][ T8345] device hsr_slave_1 entered promiscuous mode [ 58.420386][ T8345] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.472764][ T8348] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.479957][ T8348] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.488365][ T8348] device bridge_slave_0 entered promiscuous mode [ 58.497258][ T8348] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.504419][ T8348] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.512798][ T8348] device bridge_slave_1 entered promiscuous mode [ 58.566198][ T8351] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.574756][ T8351] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.582787][ T8351] device bridge_slave_0 entered promiscuous mode [ 58.594781][ T8340] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.625065][ T8351] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.633829][ T8351] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.641873][ T8351] device bridge_slave_1 entered promiscuous mode [ 58.659685][ T8351] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.672406][ T8345] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.733852][ T8345] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.784460][ T8348] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.796152][ T8351] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.812557][ T8345] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.863297][ T8348] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.886021][ T8340] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.893438][ T8354] chnl_net:caif_netlink_parms(): no params data found [ 58.911881][ T8345] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.965300][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.974367][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.985653][ T8348] team0: Port device team_slave_0 added [ 58.995893][ T8348] team0: Port device team_slave_1 added [ 59.007418][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.016492][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.025344][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.032691][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.046492][ T8351] team0: Port device team_slave_0 added [ 59.054462][ T8351] team0: Port device team_slave_1 added [ 59.083156][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.091561][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.104727][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.113450][ T8358] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.120746][ T8358] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.129637][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.138612][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.147498][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.156205][ T8358] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.233539][ T8348] device hsr_slave_0 entered promiscuous mode [ 59.260787][ T8348] device hsr_slave_1 entered promiscuous mode [ 59.311252][ T8348] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.319254][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.327238][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.335990][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.344491][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.353217][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.412806][ T8351] device hsr_slave_0 entered promiscuous mode [ 59.450768][ T8351] device hsr_slave_1 entered promiscuous mode [ 59.520585][ T8351] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.543884][ T8342] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.606776][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.616280][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.631553][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.640933][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.649576][ T8354] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.657346][ T8354] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.665391][ T8354] device bridge_slave_0 entered promiscuous mode [ 59.677129][ T8348] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.732331][ T8348] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.773095][ T8348] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.835065][ T8348] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.892900][ T8354] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.900096][ T8354] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.909475][ T8354] device bridge_slave_1 entered promiscuous mode [ 59.943001][ T8342] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.959382][ T8354] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.976360][ T8340] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.000967][ T8354] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.010101][ T8351] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.062799][ T8351] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.123092][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.131515][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.139030][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.148120][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.156636][ T3007] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.163993][ T3007] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.171847][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.180900][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.189245][ T3007] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.196397][ T3007] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.205499][ T3007] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.226599][ T8351] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 60.274591][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.284985][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.313441][ T8345] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.323222][ T8351] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.374782][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.384443][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.393761][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.402965][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.412374][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.421025][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.429906][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.439022][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.447675][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.461630][ T8342] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.476878][ T8354] team0: Port device team_slave_0 added [ 60.485987][ T8354] team0: Port device team_slave_1 added [ 60.512186][ T8345] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.520900][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.528660][ T8353] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.559881][ T8342] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.600142][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.606925][ C1] rcu: 1-...!: (1 GPs behind) idle=892/1/0x4000000000000002 softirq=12062/12071 fqs=40 [ 165.617018][ C1] (t=10501 jiffies g=6753 q=485) [ 165.622206][ C1] rcu: rcu_preempt kthread starved for 10422 jiffies! g6753 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 165.633316][ C1] rcu: RCU grace-period kthread stack dump: [ 165.639209][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.647108][ C1] Call Trace: [ 165.650408][ C1] __schedule+0x9a0/0xcc0 [ 165.654764][ C1] schedule+0x181/0x210 [ 165.658919][ C1] schedule_timeout+0x14f/0x240 [ 165.663787][ C1] ? run_local_timers+0x120/0x120 [ 165.668870][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.673661][ C1] kthread+0x332/0x350 [ 165.677729][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.683094][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.687713][ C1] ret_from_fork+0x24/0x30 [ 165.692175][ C1] NMI backtrace for cpu 1 [ 165.696523][ C1] CPU: 1 PID: 8363 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.704763][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.714843][ C1] Call Trace: [ 165.718653][ C1] [ 165.721507][ C1] dump_stack+0x1fb/0x318 [ 165.725857][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.730701][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.736850][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.742914][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.748940][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.754853][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.759992][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.765569][ C1] ? trace_hardirqs_off+0x74/0x80 [ 165.770638][ C1] update_process_times+0x12d/0x180 [ 165.775919][ C1] tick_sched_timer+0x263/0x420 [ 165.780798][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.786876][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.792133][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.797108][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.802395][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.807936][ C1] apic_timer_interrupt+0xf/0x20 [ 165.812871][ C1] [ 165.815802][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 165.821950][ C1] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 80 13 00 00 <83> fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 [ 165.841609][ C1] RSP: 0018:ffffc900022675e0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.850051][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a3b46040 [ 165.858057][ C1] RDX: 0000000000000002 RSI: 000000000003ffff RDI: 0000000000040000 [ 165.866053][ C1] RBP: ffffc90002267608 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.874159][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 165.882147][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a96cda28 [ 165.890146][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.895526][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.900898][ C1] free_thread_stack+0x168/0x590 [ 165.905869][ C1] put_task_stack+0xa3/0x130 [ 165.910464][ C1] finish_task_switch+0x3f1/0x550 [ 165.915495][ C1] __schedule+0x9a8/0xcc0 [ 165.919837][ C1] preempt_schedule_irq+0xc1/0x140 [ 165.924967][ C1] retint_kernel+0x1b/0x2b [ 165.929375][ C1] RIP: 0010:__text_poke+0x91d/0xb40 [ 165.934571][ C1] Code: 48 c1 e8 03 42 80 3c 28 00 74 0c 48 c7 c7 28 96 0a 89 e8 e6 9e 86 00 48 83 3d 06 22 df 07 00 0f 84 26 02 00 00 48 89 df 57 9d <0f> 1f 44 00 00 65 48 8b 04 25 28 00 00 00 48 3b 45 d0 0f 85 df 01 [ 165.954171][ C1] RSP: 0018:ffffc90002267860 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff02 [ 165.962575][ C1] RAX: 1ffffffff12152c5 RBX: 0000000000000286 RCX: ffffffff815c0597 [ 165.970555][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000286 [ 165.978540][ C1] RBP: ffffc900022678e8 R08: ffff8880a3b46898 R09: fffffbfff13c8d1d [ 165.986522][ C1] R10: fffffbfff13c8d1d R11: 0000000000000000 R12: ffff88821bbaa040 [ 165.994494][ C1] R13: dffffc0000000000 R14: ffffffff815bba3d R15: 00002aaaaaaab000 [ 166.003169][ C1] ? trace_lock_release+0xd/0x1a0 [ 166.008206][ C1] ? mark_lock+0x107/0x1650 [ 166.012717][ C1] ? trace_lock_release+0xd/0x1a0 [ 166.017747][ C1] ? trace_lock_release+0xd/0x1a0 [ 166.022768][ C1] text_poke_bp_batch+0x143/0x470 [ 166.027922][ C1] ? arch_jump_label_transform_queue+0x21f/0x3f0 [ 166.034303][ C1] arch_jump_label_transform_apply+0x2d/0x50 [ 166.040282][ C1] __jump_label_update+0x371/0x390 [ 166.045424][ C1] jump_label_update+0x38e/0x410 [ 166.050460][ C1] static_key_slow_inc_cpuslocked+0x15a/0x220 [ 166.056556][ C1] static_key_slow_inc+0x1a/0x30 [ 166.061499][ C1] tracepoint_probe_register_prio+0x4b7/0x590 [ 166.067574][ C1] ? trace_event_raw_event_lock+0x1a0/0x1a0 [ 166.073473][ C1] ? trace_event_raw_event_lock+0x1a0/0x1a0 [ 166.079367][ C1] tracepoint_probe_register+0x2a/0x40 [ 166.084821][ C1] trace_event_reg+0x1b5/0x260 [ 166.089584][ C1] perf_trace_event_init+0x476/0x900 [ 166.094899][ C1] perf_trace_init+0x1de/0x220 [ 166.099661][ C1] perf_tp_event_init+0x8b/0x110 [ 166.104596][ C1] perf_try_init_event+0x14e/0x3c0 [ 166.109706][ C1] perf_event_alloc+0x1022/0x27b0 [ 166.114750][ C1] __se_sys_perf_event_open+0x6e3/0x41c0 [ 166.120403][ C1] ? __might_fault+0x81/0x160 [ 166.125108][ C1] ? check_preemption_disabled+0xb4/0x260 [ 166.130850][ C1] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 166.136602][ C1] __x64_sys_perf_event_open+0xbf/0xd0 [ 166.142077][ C1] do_syscall_64+0xf7/0x1c0 [ 166.146870][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 166.152905][ C1] RIP: 0033:0x45a679 [ 166.156870][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 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 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 166.176628][ C1] RSP: 002b:00007f705a2abc78 EFLAGS: 00000246 ORIG_RAX: 000000000000012a [ 166.185038][ C1] RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 000000000045a679 [ 166.193004][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 000000002025c000 [ 166.200988][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 166.209109][ C1] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f705a2ac6d4 [ 166.217252][ C1] R13: 00000000004c84be R14: 00000000004df8d8 R15: 00000000ffffffff