[ 42.742729][ T25] audit: type=1800 audit(1575392806.946:25): pid=7989 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.774397][ T25] audit: type=1800 audit(1575392806.946:26): pid=7989 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.822605][ T25] audit: type=1800 audit(1575392806.946:27): pid=7989 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.857938][ T25] audit: type=1800 audit(1575392806.946:28): pid=7989 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. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.74' (ECDSA) to the list of known hosts. 2019/12/03 17:06:57 fuzzer started 2019/12/03 17:06:58 dialing manager at 10.128.0.26:42111 2019/12/03 17:06:58 syscalls: 2689 2019/12/03 17:06:58 code coverage: enabled 2019/12/03 17:06:58 comparison tracing: enabled 2019/12/03 17:06:58 extra coverage: extra coverage is not supported by the kernel 2019/12/03 17:06:58 setuid sandbox: enabled 2019/12/03 17:06:58 namespace sandbox: enabled 2019/12/03 17:06:58 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 17:06:58 fault injection: enabled 2019/12/03 17:06:58 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 17:06:58 net packet injection: enabled 2019/12/03 17:06:58 net device setup: enabled 2019/12/03 17:06:58 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 17:06:58 devlink PCI setup: PCI device 0000:00:10.0 is not available 17:06:59 executing program 0: perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 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) syz_open_dev$vcsa(&(0x7f0000000240)='/dev/vcsa#\x00', 0x3, 0x0) r0 = syz_open_dev$evdev(0xfffffffffffffffd, 0x0, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = dup(r1) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) readv(r0, &(0x7f0000019fe0)=[{&(0x7f00008ec000)=""/219, 0x30}], 0x10000000000003c3) 17:06:59 executing program 1: 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) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x1f, 0x1, 0x0, 0xfc, 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, 0x2}, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0xfffc}, 0x0, 0x0, 0xffffffffffffffff, 0x0) ioctl$TIOCGPKT(0xffffffffffffffff, 0x80045438, &(0x7f0000000180)) lseek(0xffffffffffffffff, 0x0, 0x3) r0 = getpid() sched_setscheduler(r0, 0x5, &(0x7f0000000380)) perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0x1f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x7c72b077e3fd11f7}, 0x0, 0x0, 0xffffffffffffffff, 0x0) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f00000002c0)={0xffffffffffffffff, 0xc0, &(0x7f00000003c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, ""/16, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f0000000200), 0x0, 0x0, 0x0, 0x0, 0x0}}, 0x10) bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000200)={r0, 0xffffffffffffffff, 0x0, 0x0, 0x0, r1}, 0x30) r2 = creat(&(0x7f0000000040)='./bus\x00', 0x0) ioctl$EXT4_IOC_SETFLAGS(r2, 0x40086602, &(0x7f00000001c0)) r3 = creat(&(0x7f0000000040)='./bus\x00', 0xcb) lseek(r3, 0x800002, 0x0) write$binfmt_elf64(r3, &(0x7f0000000240)=ANY=[@ANYBLOB="00e696120c17304afb1175de08d5997c6886e4881a5050746e2bcaafd473be8af4be87eea0eb6ddf9ebd04759a367784a411c107d44e6d2b22b9d09f4e3902dbb24b5137705a49601b9ff6db44d074"], 0x3) fallocate(r3, 0x3, 0x0, 0x8020003) writev(r3, &(0x7f0000000380)=[{&(0x7f0000000200)="e5", 0x1}], 0x1) lseek(r3, 0x200, 0x3) write$binfmt_elf64(0xffffffffffffffff, &(0x7f0000000180)=ANY=[@ANYBLOB="5896"], 0x3) fallocate(0xffffffffffffffff, 0x3, 0x0, 0x8020003) creat(&(0x7f0000000040)='./bus\x00', 0x0) syzkaller login: [ 55.752366][ T8154] IPVS: ftp: loaded support on port[0] = 21 [ 55.863192][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 55.863728][ T8156] IPVS: ftp: loaded support on port[0] = 21 17:07:00 executing program 2: r0 = creat(&(0x7f0000000140)='./bus\x00', 0x0) fcntl$setlease(r0, 0x400, 0x2) [ 55.907069][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.915370][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.925132][ T8154] device bridge_slave_0 entered promiscuous mode [ 55.935434][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.942505][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.950535][ T8154] device bridge_slave_1 entered promiscuous mode [ 55.981058][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.992340][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.023434][ T8154] team0: Port device team_slave_0 added [ 56.048596][ T8154] team0: Port device team_slave_1 added 17:07:00 executing program 3: r0 = syz_open_dev$evdev(&(0x7f0000000080)='/dev/input/event#\x00', 0xc, 0x28001) ioctl$EVIOCSFF(0xffffffffffffffff, 0x40304580, &(0x7f00000000c0)={0x0, 0x0, 0x0, {0x0, 0x100000000000001}, {0x43, 0x2}, @ramp}) write$evdev(r0, &(0x7f0000000040), 0x1b3) [ 56.137010][ T8154] device hsr_slave_0 entered promiscuous mode [ 56.175627][ T8154] device hsr_slave_1 entered promiscuous mode [ 56.268453][ T8159] IPVS: ftp: loaded support on port[0] = 21 [ 56.328241][ T8156] chnl_net:caif_netlink_parms(): no params data found [ 56.377561][ T8154] netdevsim netdevsim0 netdevsim0: renamed from eth0 17:07:00 executing program 4: r0 = socket$inet6_icmp_raw(0xa, 0x3, 0x3a) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c) [ 56.441722][ T8154] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.500259][ T8154] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.576166][ T8154] netdevsim netdevsim0 netdevsim3: renamed from eth3 17:07:00 executing program 5: io_setup(0x2, &(0x7f0000000740)=0x0) r1 = socket(0xa, 0x806, 0x0) connect$inet6(r1, &(0x7f0000000000)={0xa, 0x0, 0x0, @loopback}, 0x1c) io_submit(r0, 0x1, &(0x7f0000000600)=[&(0x7f0000000100)={0x0, 0x0, 0x0, 0x5, 0x0, r1, 0x0}]) [ 56.670035][ T8162] IPVS: ftp: loaded support on port[0] = 21 [ 56.698799][ T8156] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.716050][ T8156] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.723938][ T8156] device bridge_slave_0 entered promiscuous mode [ 56.742708][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.749939][ T8154] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.757717][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.764770][ T8154] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.794328][ T8156] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.801433][ T8156] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.810220][ T8156] device bridge_slave_1 entered promiscuous mode [ 56.830497][ T8156] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.842404][ T8159] chnl_net:caif_netlink_parms(): no params data found [ 56.855910][ T8167] IPVS: ftp: loaded support on port[0] = 21 [ 56.864037][ T8164] IPVS: ftp: loaded support on port[0] = 21 [ 56.875604][ T8156] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.941119][ T8156] team0: Port device team_slave_0 added [ 56.950669][ T8156] team0: Port device team_slave_1 added [ 56.959842][ T2961] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.978859][ T2961] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.996574][ T8159] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.003646][ T8159] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.012087][ T8159] device bridge_slave_0 entered promiscuous mode [ 57.021609][ T8159] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.029180][ T8159] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.037094][ T8159] device bridge_slave_1 entered promiscuous mode [ 57.107490][ T8156] device hsr_slave_0 entered promiscuous mode [ 57.134642][ T8156] device hsr_slave_1 entered promiscuous mode [ 57.184485][ T8156] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.223163][ T8159] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.238932][ T8159] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.261381][ T8159] team0: Port device team_slave_0 added [ 57.294042][ T8159] team0: Port device team_slave_1 added [ 57.337977][ T8156] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.427483][ T8156] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.518053][ T8159] device hsr_slave_0 entered promiscuous mode [ 57.574741][ T8159] device hsr_slave_1 entered promiscuous mode [ 57.614484][ T8159] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.625148][ T8167] chnl_net:caif_netlink_parms(): no params data found [ 57.644178][ T8156] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.686629][ T8156] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.763290][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 57.782028][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 57.791012][ T8159] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.848177][ T8159] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.912067][ T8159] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.992355][ T8159] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.032861][ T8154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.058177][ T8167] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.066021][ T8167] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.073600][ T8167] device bridge_slave_0 entered promiscuous mode [ 58.082821][ T8167] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.090141][ T8167] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.098168][ T8167] device bridge_slave_1 entered promiscuous mode [ 58.105831][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.112897][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.120876][ T8162] device bridge_slave_0 entered promiscuous mode [ 58.133526][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.141816][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.150147][ T8164] device bridge_slave_0 entered promiscuous mode [ 58.162103][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.169271][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.177219][ T8164] device bridge_slave_1 entered promiscuous mode [ 58.188929][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.196722][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.204789][ T8162] device bridge_slave_1 entered promiscuous mode [ 58.222528][ T8167] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.241606][ T8154] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.261650][ T8167] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.271483][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.279796][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.296305][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.320264][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.334540][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.351164][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.359629][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.368532][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.375701][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.383199][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.391845][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.400431][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.407542][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.415303][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.448470][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.468253][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.477662][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.486412][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.494809][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.503239][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.512766][ T2915] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.531262][ T8167] team0: Port device team_slave_0 added [ 58.540242][ T8167] team0: Port device team_slave_1 added [ 58.565742][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.573949][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.585447][ T8162] team0: Port device team_slave_0 added [ 58.593024][ T8162] team0: Port device team_slave_1 added [ 58.601916][ T8154] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.613329][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.667814][ T8167] device hsr_slave_0 entered promiscuous mode [ 58.714654][ T8167] device hsr_slave_1 entered promiscuous mode [ 58.774472][ T8167] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.785611][ T8156] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.794122][ T8164] team0: Port device team_slave_0 added [ 58.809974][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.818648][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.858842][ T8164] team0: Port device team_slave_1 added [ 58.887317][ T8162] device hsr_slave_0 entered promiscuous mode [ 58.924845][ T8162] device hsr_slave_1 entered promiscuous mode [ 58.964489][ T8162] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.981813][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.989751][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.003441][ T8156] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.028764][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.037201][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.086162][ T8164] device hsr_slave_0 entered promiscuous mode [ 59.135635][ T8164] device hsr_slave_1 entered promiscuous mode [ 59.174461][ T8164] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.187935][ T8167] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.236559][ T8167] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.267630][ T8167] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.326628][ T8167] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.386996][ T8154] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.404630][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.413161][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.421875][ T2961] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.428963][ T2961] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.458121][ T8159] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.482262][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.493044][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.504589][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.512942][ T2961] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.520014][ T2961] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.528654][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.537185][ T2961] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.557683][ T8162] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 59.596073][ T8162] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 59.667331][ T8156] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.683659][ T8156] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.723944][ T8156] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.793039][ T8167] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.821086][ T8167] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.865660][ T8167] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.880561][ T8167] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.921301][ T8167] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 164.634275][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.641342][ C0] rcu: 0-...!: (10499 ticks this GP) idle=426/1/0x4000000000000002 softirq=10806/10806 fqs=15 [ 164.652156][ C0] (t=10501 jiffies g=6337 q=704) [ 164.657348][ C0] rcu: rcu_preempt kthread starved for 10472 jiffies! g6337 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.668443][ C0] rcu: RCU grace-period kthread stack dump: [ 164.674329][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.682230][ C0] Call Trace: [ 164.685524][ C0] __schedule+0x9a0/0xcc0 [ 164.689858][ C0] schedule+0x181/0x210 [ 164.694038][ C0] schedule_timeout+0x14f/0x240 [ 164.699230][ C0] ? run_local_timers+0x120/0x120 [ 164.704247][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.709012][ C0] kthread+0x332/0x350 [ 164.713070][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.718205][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.722789][ C0] ret_from_fork+0x24/0x30 [ 164.727210][ C0] NMI backtrace for cpu 0 [ 164.731540][ C0] CPU: 0 PID: 8177 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 164.739772][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.749906][ C0] Call Trace: [ 164.753178][ C0] [ 164.756021][ C0] dump_stack+0x1fb/0x318 [ 164.760345][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.765184][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.771332][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.777389][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.783356][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.789233][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.794335][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.799529][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.804561][ C0] update_process_times+0x12d/0x180 [ 164.809747][ C0] tick_sched_timer+0x263/0x420 [ 164.814587][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.820150][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.825357][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.830326][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.835613][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.841155][ C0] apic_timer_interrupt+0xf/0x20 [ 164.846081][ C0] [ 164.849011][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 164.855155][ C0] Code: 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 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 164.874747][ C0] RSP: 0018:ffffc900020e7e08 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 164.883144][ C0] RAX: ffffffff81487326 RBX: ffffea0002661440 RCX: ffff88806bc3a040 [ 164.891104][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002661440 [ 164.899065][ C0] RBP: ffffc900020e7e30 R08: 000000000003a768 R09: ffffed10151f633f [ 164.907021][ C0] R10: ffffed10151f633f R11: 0000000000000000 R12: ffff888095053920 [ 164.914979][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a8fb19e8 [ 164.922952][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.928229][ C0] ? free_thread_stack+0x124/0x590 [ 164.933327][ C0] ? mod_memcg_page_state+0x16/0x190 [ 164.938601][ C0] free_thread_stack+0x168/0x590 [ 164.943529][ C0] put_task_stack+0xa3/0x130 [ 164.948114][ C0] finish_task_switch+0x3f1/0x550 [ 164.953161][ C0] schedule_tail+0x20/0x1a0 [ 164.957668][ C0] ret_from_fork+0x8/0x30 [ 164.961993][ C0] RIP: 0033:0x45d049 [ 164.965887][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 164.985476][ C0] RSP: 002b:00007f2e495e5db0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 164.993873][ C0] RAX: 0000000000000000 RBX: 00007f2e495e6700 RCX: 000000000045d049 [ 165.001831][ C0] RDX: 00007f2e495e69d0 RSI: 00007f2e495e5db0 RDI: 00000000003d0f00 [ 165.009790][ C0] RBP: 00007fff5b3831b0 R08: 00007f2e495e6700 R09: 00007f2e495e6700 [ 165.017749][ C0] R10: 00007f2e495e69d0 R11: 0000000000000202 R12: 0000000000000000 [ 165.025720][ C0] R13: 00007fff5b38304f R14: 00007f2e495e69c0 R15: 000000000075bf2c