[ 44.093538][ T25] audit: type=1800 audit(1575400397.338:27): pid=8020 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.114108][ T25] audit: type=1800 audit(1575400397.348:28): pid=8020 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. [ 44.750441][ T25] audit: type=1800 audit(1575400398.058:29): pid=8020 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 44.770191][ T25] audit: type=1800 audit(1575400398.058:30): pid=8020 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 '10.128.0.73' (ECDSA) to the list of known hosts. 2019/12/03 19:13:25 fuzzer started 2019/12/03 19:13:27 dialing manager at 10.128.0.26:42111 2019/12/03 19:13:27 syscalls: 2689 2019/12/03 19:13:27 code coverage: enabled 2019/12/03 19:13:27 comparison tracing: enabled 2019/12/03 19:13:27 extra coverage: extra coverage is not supported by the kernel 2019/12/03 19:13:27 setuid sandbox: enabled 2019/12/03 19:13:27 namespace sandbox: enabled 2019/12/03 19:13:27 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 19:13:27 fault injection: enabled 2019/12/03 19:13:27 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 19:13:27 net packet injection: enabled 2019/12/03 19:13:27 net device setup: enabled 2019/12/03 19:13:27 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 19:13:27 devlink PCI setup: PCI device 0000:00:10.0 is not available 19:13:28 executing program 0: recvmmsg(0xffffffffffffffff, &(0x7f0000003140)=[{{0x0, 0x0, 0x0}}], 0x1, 0x100, 0x0) open(&(0x7f0000000000)='./file0\x00', 0x2cee6f21c3d96778, 0x2) r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000100)='/dev/uinput\x00', 0x0, 0x0) r1 = openat$vsock(0xffffffffffffff9c, 0x0, 0x400000, 0x0) unshare(0x2040400) perf_event_open(&(0x7f00000000c0)={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_bp={0x0}, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) msgget$private(0x0, 0x1d9d0f791b60a80e) ioctl$UFFDIO_API(0xffffffffffffffff, 0xc018aa3f, &(0x7f0000000380)) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, &(0x7f0000000080)={{&(0x7f0000909000/0x4000)=nil, 0x4000}, 0x1}) ioctl$KVM_X86_SET_MCE(0xffffffffffffffff, 0x4040ae9e, 0x0) r2 = socket$nl_netfilter(0x10, 0x3, 0xc) r3 = semget$private(0x0, 0x8, 0x0) semop(r3, &(0x7f0000000240)=[{}], 0x1) semctl$GETZCNT(r3, 0x1, 0xf, &(0x7f0000000600)=""/4096) ioctl$DRM_IOCTL_SG_ALLOC(r1, 0xc0106438, &(0x7f0000000480)={0xa4}) r4 = socket$inet(0x2, 0x4000000000000001, 0x0) bind$inet(r4, 0x0, 0x0) ioctl$UFFDIO_REGISTER(0xffffffffffffffff, 0xc020aa00, 0x0) ioctl$KVM_SET_MP_STATE(0xffffffffffffffff, 0x4004ae99, &(0x7f0000000140)) ioctl$sock_ifreq(r2, 0x8991, &(0x7f00000000c0)={'bond0\x00\x16\b\xea\xff\xff\x80\x00\x00\x02\xff', @ifru_names='bond_slave_1\x00'}) syz_open_procfs(0x0, &(0x7f0000000280)='fd/3\x00\x02\x17\x87:\xf4\x03\xdfc\x88,5I\xd7^\xb5D\xf7\xd7\xdb,(\xd5\x00\xc2\x06MG\xcd\xe9w\xe5s\x02\xf2\xea\xb6\xabsp\x12xT8\x01\x00\xd4S\xd8F\xab.x|\x8b\x87\xb0\xa2\xf5Y>\xb1 p\x998(\xe63\xcf\x7f\xac\x89F\x03n\x96\x15zsw\x98\xca\xcb3\xb6M=h\x01i.\xa3\xda}\x190~\xe7d6\xa5\x17\xb3\xe9\xd9QV\x0f\xf3\x02\xd6\xc1\xc3n\xcd*R\x9a\x95\x12\x05K\xa0<\xc9\xe3\xed\xab\xc9\x8bK\xb3\x86\xe2\x93f\x92iKA|e\x97k :,J36\x11\xf0\x99\x96\xb7]\xfd\xe3\v\xd8\x98\xc5o\xc6\xde\x80\xf7_\xc9\x8f\xaf\xf9\xd5\xb7ui\xea\xde\xd0\xeb\xd9\xf5_\v\xe2*\xa3\xf4\xab?n\xcb\x19i\x80\x91\xd2\xf6\x14\xfe!!0\x84L\x86\x81\x95,B\x11\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xab*[\xa5\xb217\x93\xf3\x88\x92\xa6\xde\x11\xa2-J\x9d\xc9\xb2\x97\xa3\x88v\x9eR\x155\xc7N!\xdb\"8\xc8I\xb9c\xed\xa7!\t\x85s\xb1\xa5\xa7R2Yf\x1c\xf8\xc2z>\xb1\x9c\x02a\x87\xe9\xb8\xf8\xdcv\xb6\xe4\xa6\n\x0e\x83lM7\xcc?\xea\x19\x99\xce\x1c\x10\xd2lQ(\xc7\xe9\xef\xd2Q\vY\xf58\x10|8}uE\xaf\xb4w;\xbc\xe4\x01\xd8\xf2\xf9u\xc1Dt\'\x84\xb5\xa4\x83\xeft\xfc\xf3\xdd\x870xffffffffffffffff, 0xffffffffffffffff}) vmsplice(r1, &(0x7f00000000c0)=[{&(0x7f0000000180)="77690addcfbe1fbb66ec", 0xff3b}], 0x1, 0x1) close(r1) socket$nl_route(0x10, 0x3, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) r3 = socket$unix(0x1, 0x1, 0x0) r4 = dup2(r3, r2) ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200) sendmsg$nl_route(0xffffffffffffffff, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000280)={&(0x7f0000000180)=@ipv4_newaddr={0x18, 0x14, 0x1}, 0x18}}, 0x0) splice(r0, 0x0, r1, 0x0, 0x100000000, 0x0) [ 55.355575][ T8185] IPVS: ftp: loaded support on port[0] = 21 [ 55.355934][ T8183] chnl_net:caif_netlink_parms(): no params data found [ 55.519249][ T8183] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.530900][ T8183] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.538636][ T8183] device bridge_slave_0 entered promiscuous mode [ 55.570503][ T8183] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.590901][ T8183] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.598588][ T8183] device bridge_slave_1 entered promiscuous mode [ 55.626976][ T8189] IPVS: ftp: loaded support on port[0] = 21 [ 55.635291][ T8183] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.648313][ T8183] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.658456][ T8185] chnl_net:caif_netlink_parms(): no params data found 19:13:29 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$nl_route(0x10, 0x3, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) r3 = socket(0x400000000010, 0x3, 0x0) write(r3, &(0x7f0000000040)="1c00000019002551075c0165ff0ffc02802000030011000500e1000c", 0x1c) [ 55.753316][ T8183] team0: Port device team_slave_0 added [ 55.766432][ T8185] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.790901][ T8185] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.799072][ T8185] device bridge_slave_0 entered promiscuous mode [ 55.823960][ T8185] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.841014][ T8185] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.849045][ T8185] device bridge_slave_1 entered promiscuous mode [ 55.858169][ T8183] team0: Port device team_slave_1 added [ 55.877855][ T8185] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 19:13:29 executing program 4: socket$unix(0x1, 0x1, 0x0) pipe(&(0x7f0000000540)) pipe(&(0x7f0000000780)) pipe(&(0x7f0000000000)) socketpair(0x1, 0x100000005, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_SET_FILTER(r0, 0x8946, &(0x7f0000000040)='lo:&\xb7`Q\xb1Y\xa9\xc8J,`\xd2\x98\x00\x00\x00 ') [ 55.923543][ T8183] device hsr_slave_0 entered promiscuous mode [ 55.992888][ T8183] device hsr_slave_1 entered promiscuous mode [ 56.034519][ T8185] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.079019][ T8191] IPVS: ftp: loaded support on port[0] = 21 [ 56.147692][ T8185] team0: Port device team_slave_0 added [ 56.164278][ T8185] team0: Port device team_slave_1 added 19:13:29 executing program 5: r0 = perf_event_open(&(0x7f000001d000)={0x2, 0x70, 0x0, 0x8001, 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) r1 = epoll_create1(0x0) epoll_wait(r1, 0x0, 0x307, 0xc6) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000)={0x20000000}) [ 56.217392][ T8193] IPVS: ftp: loaded support on port[0] = 21 [ 56.226569][ T8183] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.284042][ T8183] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.343882][ T8183] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.382665][ T8183] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.458458][ T8196] IPVS: ftp: loaded support on port[0] = 21 [ 56.542490][ T8185] device hsr_slave_0 entered promiscuous mode [ 56.591339][ T8185] device hsr_slave_1 entered promiscuous mode [ 56.650929][ T8185] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.661096][ T8189] chnl_net:caif_netlink_parms(): no params data found [ 56.726321][ T8189] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.734361][ T8189] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.742657][ T8189] device bridge_slave_0 entered promiscuous mode [ 56.750147][ T8189] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.757265][ T8189] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.765293][ T8189] device bridge_slave_1 entered promiscuous mode [ 56.826942][ T8189] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.838858][ T8185] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.884051][ T8185] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.961171][ T8189] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.970260][ T8185] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.055021][ T8185] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.127671][ T8191] chnl_net:caif_netlink_parms(): no params data found [ 57.205021][ T8189] team0: Port device team_slave_0 added [ 57.222331][ T8193] chnl_net:caif_netlink_parms(): no params data found [ 57.233105][ T8189] team0: Port device team_slave_1 added [ 57.242553][ T8191] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.249605][ T8191] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.258292][ T8191] device bridge_slave_0 entered promiscuous mode [ 57.266182][ T8191] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.273336][ T8191] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.281197][ T8191] device bridge_slave_1 entered promiscuous mode [ 57.291866][ T8196] chnl_net:caif_netlink_parms(): no params data found [ 57.344473][ T8191] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.423534][ T8189] device hsr_slave_0 entered promiscuous mode [ 57.471208][ T8189] device hsr_slave_1 entered promiscuous mode [ 57.510863][ T8189] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.529503][ T8183] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.538861][ T8191] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.548124][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.555462][ T8193] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.563642][ T8193] device bridge_slave_0 entered promiscuous mode [ 57.571924][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.578973][ T8193] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.586745][ T8193] device bridge_slave_1 entered promiscuous mode [ 57.607147][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.614544][ T8196] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.622643][ T8196] device bridge_slave_0 entered promiscuous mode [ 57.630157][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.637696][ T8196] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.645929][ T8196] device bridge_slave_1 entered promiscuous mode [ 57.693748][ T8193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.704952][ T8193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.720546][ T8185] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.729283][ T8191] team0: Port device team_slave_0 added [ 57.736572][ T8196] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.761245][ T8193] team0: Port device team_slave_0 added [ 57.769199][ T8183] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.777036][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.785308][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.797280][ T8191] team0: Port device team_slave_1 added [ 57.804285][ T8196] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.819627][ T8193] team0: Port device team_slave_1 added [ 57.832886][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.841487][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.849727][ T43] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.856898][ T43] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.865301][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.874133][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.882733][ T43] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.889765][ T43] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.897326][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.906359][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.935232][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.944680][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.953939][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.962827][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.972226][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.981516][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.997427][ T8196] team0: Port device team_slave_0 added [ 58.008094][ T8189] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.062802][ T8189] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.109135][ T8196] team0: Port device team_slave_1 added [ 58.137702][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.145663][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.153709][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.162186][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.171038][ T8189] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.206858][ T8189] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.303784][ T8196] device hsr_slave_0 entered promiscuous mode [ 58.351560][ T8196] device hsr_slave_1 entered promiscuous mode [ 58.391006][ T8196] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.433707][ T8191] device hsr_slave_0 entered promiscuous mode [ 58.471302][ T8191] device hsr_slave_1 entered promiscuous mode [ 58.511003][ T8191] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.520669][ T8185] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.582868][ T8193] device hsr_slave_0 entered promiscuous mode [ 58.641369][ T8193] device hsr_slave_1 entered promiscuous mode [ 58.681097][ T8193] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.704934][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.713730][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.722219][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.730737][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.739515][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.746618][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.754464][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.763177][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.771567][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.778599][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.786862][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.796967][ T8183] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.854118][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.863495][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.872473][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.881536][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.890009][ T3758] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.946757][ T8185] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.963788][ T8185] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.977418][ T8193] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.035831][ T8193] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.092343][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.104059][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.112421][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.120628][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.129975][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.138378][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.146680][ T8196] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.193887][ T8191] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.252383][ T8193] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.292918][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.300589][ T8193] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.364134][ T8196] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.413074][ T8191] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.453699][ T8191] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 59.503500][ T8191] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 59.551733][ T8185] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.558876][ T8196] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.584933][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.592801][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.600184][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.608234][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.646775][ T8196] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.687428][ T8183] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.718332][ T8189] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.820171][ T8189] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.868022][ T8191] 8021q: adding VLAN 0 to HW filter on device bond0 [ 164.800769][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.807644][ C1] rcu: 1-...!: (1 GPs behind) idle=852/1/0x4000000000000002 softirq=11200/11201 fqs=6 [ 164.817536][ C1] (t=10501 jiffies g=6601 q=369) [ 164.822551][ C1] rcu: rcu_preempt kthread starved for 10489 jiffies! g6601 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 164.833633][ C1] rcu: RCU grace-period kthread stack dump: [ 164.839506][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.847406][ C1] Call Trace: [ 164.850692][ C1] __schedule+0x9a0/0xcc0 [ 164.855018][ C1] schedule+0x181/0x210 [ 164.859167][ C1] schedule_timeout+0x14f/0x240 [ 164.864004][ C1] ? run_local_timers+0x120/0x120 [ 164.869024][ C1] rcu_gp_kthread+0xed8/0x1770 [ 164.873796][ C1] kthread+0x332/0x350 [ 164.877851][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 164.882947][ C1] ? kthread_blkcg+0xe0/0xe0 [ 164.887528][ C1] ret_from_fork+0x24/0x30 [ 164.891947][ C1] NMI backtrace for cpu 1 [ 164.896265][ C1] CPU: 1 PID: 8203 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 164.904491][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.914557][ C1] Call Trace: [ 164.917837][ C1] [ 164.920690][ C1] dump_stack+0x1fb/0x318 [ 164.925022][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.929871][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.936021][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.942078][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.948047][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.953926][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.959029][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.964219][ C1] ? trace_hardirqs_off+0x74/0x80 [ 164.969233][ C1] update_process_times+0x12d/0x180 [ 164.974421][ C1] tick_sched_timer+0x263/0x420 [ 164.979257][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.984790][ C1] __hrtimer_run_queues+0x403/0x840 [ 164.989990][ C1] hrtimer_interrupt+0x38c/0xda0 [ 164.994930][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.000220][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.005750][ C1] apic_timer_interrupt+0xf/0x20 [ 165.010667][ C1] [ 165.013600][ C1] RIP: 0010:free_thread_stack+0x151/0x590 [ 165.019306][ C1] 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 [ 165.038900][ C1] RSP: 0018:ffffc90002387708 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.047306][ C1] RAX: 1ffff110150799e1 RBX: ffff8880a83ccf08 RCX: 0000000000000000 [ 165.055265][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024d9a80 [ 165.063224][ C1] RBP: ffffc90002387740 R08: 000000000003a768 R09: ffffed101523373f [ 165.071184][ C1] R10: ffffed101523373f R11: 0000000000000000 R12: ffff8880a83ccfa0 [ 165.079298][ C1] R13: dffffc0000000000 R14: 1ffff110150799f4 R15: ffff8880a919b9e8 [ 165.087298][ C1] ? free_thread_stack+0x12e/0x590 [ 165.092403][ C1] put_task_stack+0xa3/0x130 [ 165.096987][ C1] finish_task_switch+0x3f1/0x550 [ 165.102027][ C1] __schedule+0x9a8/0xcc0 [ 165.106354][ C1] preempt_schedule_irq+0xc1/0x140 [ 165.111454][ C1] retint_kernel+0x1b/0x2b [ 165.115858][ C1] RIP: 0010:debug_lockdep_rcu_enabled+0x68/0xe0 [ 165.122089][ C1] Code: 04 38 84 c0 75 59 83 3d 65 cd e0 07 00 74 28 65 4c 8b 34 25 c0 1d 02 00 49 81 c6 94 08 00 00 4c 89 f0 48 c1 e8 03 42 8a 04 38 <84> c0 75 59 31 db 41 83 3e 00 0f 94 c3 89 d8 5b 41 5e 41 5f 5d c3 [ 165.141701][ C1] RSP: 0000:ffffc90002387950 EFLAGS: 00000a03 ORIG_RAX: ffffffffffffff13 [ 165.150101][ C1] RAX: 1ffff110131f2900 RBX: 0000000000000000 RCX: ffffffff815bbb47 [ 165.158161][ C1] RDX: 0000000000000000 RSI: 0000000000001257 RDI: ffffffff88bf4160 [ 165.166120][ C1] RBP: ffffc90002387968 R08: dffffc0000000000 R09: fffffbfff12877ed [ 165.174088][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: 0000000000000000 [ 165.182059][ C1] R13: 1ffff110131f2842 R14: ffff888098f94a94 R15: dffffc0000000000 [ 165.190033][ C1] ? trace_lock_release+0x117/0x1a0 [ 165.195226][ C1] ___might_sleep+0x20/0x5e0 [ 165.199805][ C1] ? __fs_reclaim_release+0x4/0x20 [ 165.204905][ C1] __might_sleep+0x8f/0x100 [ 165.209402][ C1] prepare_alloc_pages+0x278/0x460 [ 165.214503][ C1] __alloc_pages_nodemask+0xb2/0x5d0 [ 165.219810][ C1] alloc_pages_vma+0x4f7/0xd50 [ 165.224580][ C1] wp_page_copy+0x1e2/0x1ca0 [ 165.229217][ C1] ? do_raw_spin_unlock+0x136/0x260 [ 165.234438][ C1] do_wp_page+0x5e4/0x16d0 [ 165.238856][ C1] ? __kasan_check_write+0x14/0x20 [ 165.243972][ C1] handle_mm_fault+0x23c5/0x2890 [ 165.248941][ C1] do_user_addr_fault+0x589/0xaf0 [ 165.253970][ C1] __do_page_fault+0xd3/0x1f0 [ 165.259250][ C1] do_page_fault+0x99/0xb0 [ 165.263659][ C1] page_fault+0x39/0x40 [ 165.267805][ C1] RIP: 0033:0x40f6c8 [ 165.271689][ C1] Code: 8b 34 c6 4a 8d 04 2e 48 3d ff ff ff 7e 0f 86 77 ff ff ff bf 64 fe 4b 00 31 c0 e8 13 27 ff ff 31 ff e8 5c 23 ff ff 0f 1f 40 00 <89> 3c b5 00 00 73 00 eb b6 31 ed 0f 1f 44 00 00 80 3d 7e 2f 66 00 [ 165.292218][ C1] RSP: 002b:00007ffc986df620 EFLAGS: 00010246 [ 165.298270][ C1] RAX: 000000008e26ef3a RBX: 000000007e9131e4 RCX: 0000001b34420000 [ 165.306227][ C1] RDX: 0000000000000000 RSI: 0000000000000f3a RDI: ffffffff8e26ef3a [ 165.314186][ C1] RBP: 000000000000000d R08: 000000008e26ef3a R09: 000000008e26ef3e [ 165.322143][ C1] R10: 00007ffc986df7c0 R11: 0000000000000246 R12: 000000000075bfa8 [ 165.330103][ C1] R13: 0000000080000000 R14: 00007f7ca27c7008 R15: 000000000000000d