[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 45.170886][ T23] audit: type=1800 audit(1575431625.560:25): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 45.189769][ T23] audit: type=1800 audit(1575431625.570:26): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 45.214413][ T23] audit: type=1800 audit(1575431625.570:27): pid=8047 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 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 '10.128.1.42' (ECDSA) to the list of known hosts. 2019/12/04 03:53:55 fuzzer started 2019/12/04 03:53:56 dialing manager at 10.128.0.26:42111 2019/12/04 03:53:56 syscalls: 2689 2019/12/04 03:53:56 code coverage: enabled 2019/12/04 03:53:56 comparison tracing: enabled 2019/12/04 03:53:56 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:53:56 setuid sandbox: enabled 2019/12/04 03:53:56 namespace sandbox: enabled 2019/12/04 03:53:56 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:53:56 fault injection: enabled 2019/12/04 03:53:56 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:53:56 net packet injection: enabled 2019/12/04 03:53:56 net device setup: enabled 2019/12/04 03:53:56 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:53:56 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:53:57 executing program 0: r0 = syz_open_dev$swradio(&(0x7f0000000280)='/dev/swradio#\x00', 0xffffffffffffffff, 0x2) close(r0) r1 = openat$rdma_cm(0xffffffffffffff9c, &(0x7f00000001c0)='/dev/infiniband/rdma_cm\x00', 0x2, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r1, &(0x7f0000000000)={0x0, 0x18, 0xfa00, {0x0, &(0x7f0000000040)={0xffffffffffffffff}, 0x111}}, 0x20) write$RDMA_USER_CM_CMD_BIND(r1, &(0x7f00000000c0)={0x14, 0x88, 0xfa00, {r2, 0x30, 0x0, @ib}}, 0x90) write$RDMA_USER_CM_CMD_QUERY(r0, &(0x7f0000000180)={0x13, 0x10, 0xfa00, {&(0x7f0000000480), r2}}, 0x18) 03:53:57 executing program 1: prlimit64(0x0, 0xe, &(0x7f0000000280)={0x9, 0x1ff}, 0x0) sched_setattr(0x0, &(0x7f0000000040)={0x30, 0x2, 0x1, 0x1, 0x3, 0x7fffffff, 0x0, 0x8}, 0x0) getpeername$unix(0xffffffffffffffff, &(0x7f0000000100), &(0x7f0000000200)=0x6e) syz_open_procfs(0x0, &(0x7f0000000080)='mountinfo\x00') open(0x0, 0x0, 0xb0) 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 = open(&(0x7f0000000000)='./bus\x00', 0x141042, 0x0) r1 = dup(0xffffffffffffffff) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) mmap(&(0x7f0000003000/0x2000)=nil, 0x2000, 0x0, 0x1012, r0, 0x0) write$P9_RWALK(r0, &(0x7f00000003c0)=ANY=[@ANYRES64], 0x8) r2 = perf_event_open(&(0x7f0000000180)={0x6, 0x70, 0x0, 0x0, 0x3, 0x0, 0xfffffff6}, 0x0, 0x0, 0xffffffffffffffff, 0x0) dup2(r0, r2) syzkaller login: [ 57.512516][ T8215] IPVS: ftp: loaded support on port[0] = 21 [ 57.620230][ T8215] chnl_net:caif_netlink_parms(): no params data found 03:53:58 executing program 2: r0 = creat(&(0x7f0000000280)='./file0\x00', 0x1) write$binfmt_script(r0, &(0x7f00000000c0)=ANY=[@ANYBLOB='3! \n'], 0x4) close(r0) execve(&(0x7f0000000180)='./file0\x00', 0x0, 0x0) [ 57.699258][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.707519][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.725267][ T8215] device bridge_slave_0 entered promiscuous mode [ 57.737743][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.755018][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.763552][ T8215] device bridge_slave_1 entered promiscuous mode [ 57.782106][ T8219] IPVS: ftp: loaded support on port[0] = 21 [ 57.808885][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.833084][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.887410][ T8215] team0: Port device team_slave_0 added [ 57.906184][ T8215] team0: Port device team_slave_1 added [ 57.979444][ T8222] IPVS: ftp: loaded support on port[0] = 21 [ 57.991240][ T8219] chnl_net:caif_netlink_parms(): no params data found 03:53:58 executing program 3: mkdir(&(0x7f0000fd5ff8)='./file0\x00', 0x0) mount(0x0, &(0x7f0000026ff8)='./file0\x00', &(0x7f00000013c0)='ramfs\x00', 0x0, 0x0) chroot(&(0x7f0000000280)='./file0\x00') umount2(&(0x7f0000000040)='./file0\x00', 0x2) write$FUSE_NOTIFY_STORE(0xffffffffffffffff, &(0x7f0000000000)=ANY=[@ANYBLOB='/'], 0x1) mount$fuse(0x20000000, &(0x7f0000000240)='./file0\x00', 0x0, 0x1000, 0x0) [ 58.068895][ T8215] device hsr_slave_0 entered promiscuous mode [ 58.134448][ T8215] device hsr_slave_1 entered promiscuous mode [ 58.213223][ T8224] IPVS: ftp: loaded support on port[0] = 21 03:53:58 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0xc00008c0045009, &(0x7f0000000000)=0xffffffffffffffff) [ 58.276307][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.283764][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.294016][ T8219] device bridge_slave_0 entered promiscuous mode [ 58.332073][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.340736][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.349173][ T8219] device bridge_slave_1 entered promiscuous mode [ 58.397402][ T8215] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.456198][ T8215] netdevsim netdevsim0 netdevsim1: renamed from eth1 03:53:58 executing program 5: r0 = syz_open_procfs(0x0, &(0x7f00000000c0)='fd/4\x00') lseek(0xffffffffffffffff, 0x20400000, 0x0) read$char_usb(r0, 0x0, 0x0) write$P9_RXATTRWALK(r0, &(0x7f0000000080)={0xf}, 0x2000008f) openat$snapshot(0xffffffffffffff9c, &(0x7f0000000300)='/dev/snapshot\x00', 0x10000, 0x0) ioctl$DRM_IOCTL_RES_CTX(0xffffffffffffffff, 0xc0106426, &(0x7f00000001c0)={0xaf647df809e2681, &(0x7f0000000480)=[{}, {}, {}, {}, {}, {}]}) write$P9_RSTAT(0xffffffffffffffff, 0x0, 0x0) openat$pfkey(0xffffffffffffff9c, 0x0, 0x200a01, 0x0) socket(0x10, 0x80002, 0x0) sendmmsg$alg(0xffffffffffffffff, &(0x7f0000000140)=[{0x0, 0x0, &(0x7f0000000100), 0x0, &(0x7f0000000100), 0xf}], 0x492492492492805, 0x0) close(r0) r1 = perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x800000, 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, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) prctl$PR_SET_THP_DISABLE(0x29, 0x10000000000001) fsetxattr$trusted_overlay_nlink(r1, &(0x7f0000000000)='trusted.overlay.nlink\x00', &(0x7f0000000200)={'L-', 0xffffffff}, 0x28, 0x1) sendmmsg$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) r2 = socket$inet_tcp(0x2, 0x1, 0x0) setsockopt$inet_tcp_int(r2, 0x6, 0x10000000013, &(0x7f0000000100)=0x1, 0xfb) setsockopt$inet_tcp_TCP_MD5SIG(r2, 0x6, 0xe, &(0x7f00000001c0)={@in={{0x2, 0x0, @loopback}}, 0x0, 0x6, 0x0, "e4b80b549026321cd9e8af965a413c51a8f281ab19f01dea1af56603ae52bb5d8981a539b56de71d901630e949f38ae55a7249cd4b42e375bce9beba0778fb94c809ee5f1273a9a82dc736c48bb798a9"}, 0xd8) bind$inet(r2, &(0x7f0000000500)={0x2, 0x4e21, @dev}, 0x10) connect$inet(r2, &(0x7f0000000180)={0x2, 0x4e21}, 0x10) setsockopt$inet_tcp_TCP_REPAIR_OPTIONS(r2, 0x6, 0x16, &(0x7f00000000c0)=[@timestamp, @sack_perm, @mss, @mss, @timestamp, @sack_perm], 0xeb) setsockopt$inet_tcp_TCP_REPAIR_WINDOW(r2, 0x6, 0x1d, &(0x7f0000000000)={0x0, 0x40000007ffe, 0x80000000}, 0x14) shutdown(r2, 0x1) [ 58.539366][ T8215] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.623783][ T8228] IPVS: ftp: loaded support on port[0] = 21 [ 58.639855][ T8215] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.704388][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.716782][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.732983][ T8222] chnl_net:caif_netlink_parms(): no params data found [ 58.756928][ T8230] IPVS: ftp: loaded support on port[0] = 21 [ 58.783564][ T8219] team0: Port device team_slave_0 added [ 58.792842][ T8219] team0: Port device team_slave_1 added [ 58.908247][ T8219] device hsr_slave_0 entered promiscuous mode [ 58.964733][ T8219] device hsr_slave_1 entered promiscuous mode [ 59.004313][ T8219] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.017900][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.025996][ T8222] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.033753][ T8222] device bridge_slave_0 entered promiscuous mode [ 59.073147][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.082401][ T8222] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.093269][ T8222] device bridge_slave_1 entered promiscuous mode [ 59.114367][ T8222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.129932][ T8222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.157895][ T8222] team0: Port device team_slave_0 added [ 59.177253][ T8222] team0: Port device team_slave_1 added [ 59.193925][ T8224] chnl_net:caif_netlink_parms(): no params data found [ 59.244747][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.253414][ T8224] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.261482][ T8224] device bridge_slave_0 entered promiscuous mode [ 59.272106][ T8224] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.279453][ T8224] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.287497][ T8224] device bridge_slave_1 entered promiscuous mode [ 59.308937][ T8219] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.376496][ T8219] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.417789][ T8219] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.470488][ T8219] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.557653][ T8224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.569489][ T8228] chnl_net:caif_netlink_parms(): no params data found [ 59.616044][ T8222] device hsr_slave_0 entered promiscuous mode [ 59.664589][ T8222] device hsr_slave_1 entered promiscuous mode [ 59.724289][ T8222] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.749637][ T8224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.779200][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.791329][ T8230] chnl_net:caif_netlink_parms(): no params data found [ 59.828200][ T8224] team0: Port device team_slave_0 added [ 59.838473][ T8224] team0: Port device team_slave_1 added [ 59.927055][ T8224] device hsr_slave_0 entered promiscuous mode [ 59.984536][ T8224] device hsr_slave_1 entered promiscuous mode [ 60.024340][ T8224] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.048516][ T8228] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.056818][ T8228] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.065132][ T8228] device bridge_slave_0 entered promiscuous mode [ 60.080270][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.092862][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.101254][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.109811][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.117953][ T8230] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.126010][ T8230] device bridge_slave_0 entered promiscuous mode [ 60.136355][ T8228] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.143621][ T8228] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.152132][ T8228] device bridge_slave_1 entered promiscuous mode [ 60.188611][ T8230] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.199599][ T8230] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.207775][ T8230] device bridge_slave_1 entered promiscuous mode [ 60.219117][ T8222] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.278363][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.287358][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.296232][ T3008] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.303689][ T3008] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.311848][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.321269][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.329702][ T3008] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.337153][ T3008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.345322][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.354449][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.363479][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.372047][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.380607][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.388756][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.407614][ T8228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.420982][ T8228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.448409][ T8228] team0: Port device team_slave_0 added [ 60.457535][ T8222] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.509022][ T8222] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.576347][ T8222] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.610674][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.619556][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.629203][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.637752][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.647988][ T8228] team0: Port device team_slave_1 added [ 60.655387][ T8230] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.665774][ T8224] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.707915][ T8224] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.766189][ T8224] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.820427][ T8224] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.868460][ T8230] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.917402][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.929554][ T8226] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.939508][ T8230] team0: Port device team_slave_0 added [ 60.948087][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.017867][ T8228] device hsr_slave_0 entered promiscuous mode [ 61.065327][ T8228] device hsr_slave_1 entered promiscuous mode [ 61.104290][ T8228] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.115595][ T8230] team0: Port device team_slave_1 added [ 61.167219][ T8230] device hsr_slave_0 entered promiscuous mode [ 61.204533][ T8230] device hsr_slave_1 entered promiscuous mode [ 61.244667][ T8230] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.292421][ T8219] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.322466][ T8228] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.358352][ T8228] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.427482][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.435371][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.442757][ T8228] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.489742][ T8215] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.497111][ T8230] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.551843][ T8230] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.596035][ T8230] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.636045][ T8230] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.686790][ T8228] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.727574][ T8219] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.752755][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.762111][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.791190][ T8224] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.799527][ T8218] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.811541][ T8218] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.820275][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.827379][ T8218] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.836149][ T8218] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.847858][ T8222] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.865260][ T8224] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.887401][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.910771][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.929652][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.951404][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.961255][ T3008] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.968359][ T3008] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.982178][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.990952][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.008321][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.021653][ T3008] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 166.934075][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 166.941086][ C0] (detected by 0, t=10502 jiffies, g=6445, q=118) [ 166.947572][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953841-4294943338), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 166.960922][ C0] syz-executor.0 R running task 27912 8238 8215 0x0000400a [ 166.968831][ C0] Call Trace: [ 166.972111][ C0] [ 166.974964][ C0] sched_show_task+0x40f/0x560 [ 166.979755][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 166.985062][ C0] update_process_times+0x12d/0x180 [ 166.990260][ C0] tick_sched_timer+0x263/0x420 [ 166.995103][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.000642][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.005841][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.010779][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.016055][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.021590][ C0] apic_timer_interrupt+0xf/0x20 [ 167.026507][ C0] [ 167.029446][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 167.035586][ 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 [ 167.055172][ C0] RSP: 0018:ffffc900021779b0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 167.063566][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a51e21c0 [ 167.071520][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b0e6c0 [ 167.079491][ C0] RBP: ffffc900021779d8 R08: 000000000003a768 R09: ffffed1013d5a72f [ 167.087446][ C0] R10: ffffed1013d5a72f R11: 0000000000000000 R12: dffffc0000000000 [ 167.095400][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88809ead3968 [ 167.103372][ C0] ? mod_memcg_page_state+0x123/0x190 [ 167.108733][ C0] ? mod_memcg_page_state+0x123/0x190 [ 167.114090][ C0] free_thread_stack+0x168/0x590 [ 167.119071][ C0] put_task_stack+0xa3/0x130 [ 167.123646][ C0] finish_task_switch+0x3f1/0x550 [ 167.128678][ C0] __schedule+0x9a8/0xcc0 [ 167.132999][ C0] ? ___preempt_schedule+0x16/0x18 [ 167.138269][ C0] preempt_schedule+0xdb/0x120 [ 167.143018][ C0] ___preempt_schedule+0x16/0x18 [ 167.147943][ C0] try_to_wake_up+0xe78/0x1050 [ 167.152692][ C0] ? wake_up_state+0xb/0x10 [ 167.157186][ C0] wake_up_process+0x10/0x20 [ 167.161767][ C0] kthread_stop+0xf5/0x210 [ 167.166169][ C0] destroy_workqueue+0xfa/0xe30 [ 167.171011][ C0] ucma_close+0x2a4/0x2c0 [ 167.175328][ C0] ? ucma_open+0x1f0/0x1f0 [ 167.179740][ C0] __fput+0x2e4/0x740 [ 167.183711][ C0] ____fput+0x15/0x20 [ 167.187679][ C0] task_work_run+0x17e/0x1b0 [ 167.192261][ C0] prepare_exit_to_usermode+0x483/0x5b0 [ 167.197796][ C0] syscall_return_slowpath+0x113/0x4a0 [ 167.203244][ C0] do_syscall_64+0x11f/0x1c0 [ 167.207822][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.213707][ C0] RIP: 0033:0x414211 [ 167.217587][ C0] Code: 75 14 b8 03 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 04 1b 00 00 c3 48 83 ec 08 e8 0a fc ff ff 48 89 04 24 b8 03 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 53 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 [ 167.237174][ C0] RSP: 002b:00007ffd7f3118b0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 167.245572][ C0] RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000414211 [ 167.253527][ C0] RDX: 0000001b2d220000 RSI: 0000000000000000 RDI: 0000000000000003 [ 167.261483][ C0] RBP: 0000000000000001 R08: 00000000662245ed R09: 00000000662245f1 [ 167.269439][ C0] R10: 00007ffd7f311990 R11: 0000000000000293 R12: 000000000075c9a0 [ 167.277401][ C0] R13: 000000000075c9a0 R14: 0000000000760828 R15: 000000000075bfd4 [ 167.285379][ C0] rcu: rcu_preempt kthread starved for 10537 jiffies! g6445 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.296461][ C0] rcu: RCU grace-period kthread stack dump: [ 167.302332][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.310304][ C0] Call Trace: [ 167.313585][ C0] __schedule+0x9a0/0xcc0 [ 167.317923][ C0] schedule+0x181/0x210 [ 167.322065][ C0] schedule_timeout+0x14f/0x240 [ 167.326902][ C0] ? run_local_timers+0x120/0x120 [ 167.331915][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.336673][ C0] kthread+0x332/0x350 [ 167.340724][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.345823][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.350399][ C0] ret_from_fork+0x24/0x30