[ 42.834686][ T23] audit: type=1800 audit(1575329074.314:25): pid=7992 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.861224][ T23] audit: type=1800 audit(1575329074.314:26): pid=7992 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.900634][ T23] audit: type=1800 audit(1575329074.324:27): pid=7992 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.932045][ T23] audit: type=1800 audit(1575329074.324:28): pid=7992 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 '10.128.1.14' (ECDSA) to the list of known hosts. 2019/12/02 23:24:46 fuzzer started 2019/12/02 23:24:48 dialing manager at 10.128.0.26:38907 2019/12/02 23:24:48 syscalls: 2697 2019/12/02 23:24:48 code coverage: enabled 2019/12/02 23:24:48 comparison tracing: enabled 2019/12/02 23:24:48 extra coverage: extra coverage is not supported by the kernel 2019/12/02 23:24:48 setuid sandbox: enabled 2019/12/02 23:24:48 namespace sandbox: enabled 2019/12/02 23:24:48 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/02 23:24:48 fault injection: enabled 2019/12/02 23:24:48 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/02 23:24:48 net packet injection: enabled 2019/12/02 23:24:48 net device setup: enabled 2019/12/02 23:24:48 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/02 23:24:48 devlink PCI setup: PCI device 0000:00:10.0 is not available 23:24:49 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000440)={0x9, 0x4, &(0x7f0000000400)=@framed={{0xffffffb4, 0x0, 0x0, 0x0, 0x0, 0x63, 0x11, 0x1a001000014}, [@ldst={0x5, 0x0, 0x2}]}, &(0x7f0000000200)='syzkaller\x00', 0x4, 0x3f7, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x135}, 0x48) 23:24:49 executing program 1: setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x27, 0x0, 0x0) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000e, 0x10, 0xffffffffffffffff, 0x0) shmget(0x2, 0x1000, 0x1c, &(0x7f000096d000/0x1000)=nil) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x20000, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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={0x9, 0x1}, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x2) r0 = syz_open_dev$admmidi(&(0x7f00000015c0)='/dev/admmidi#\x00', 0x8, 0x0) ioctl$KVM_ASSIGN_DEV_IRQ(r0, 0x4040ae70, 0x0) ioctl$MON_IOCG_STATS(r0, 0x80089203, &(0x7f00000003c0)) socket$inet_udplite(0x2, 0x2, 0x88) r1 = openat$dlm_control(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/dlm-control\x00', 0x400000, 0x0) ioctl$SNDRV_SEQ_IOCTL_PVERSION(r1, 0x80045300, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(0xffffffffffffffff, &(0x7f0000001640)={0x0, 0x18, 0xfa00, {0x3, 0x0, 0x0, 0xf}}, 0x20) clone(0x4000000000003fe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) msync(&(0x7f0000952000/0x2000)=nil, 0x87abbe8d1cc6ad9, 0x4) sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x80000001) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, 0xffffffffffffffff, 0x0) ioctl$ifreq_SIOCGIFINDEX_vcan(0xffffffffffffffff, 0x8933, 0x0) r2 = getpid() rt_tgsigqueueinfo(r2, r2, 0x4000000000015, &(0x7f0000000100)) ptrace(0x10, r2) ptrace$getsig(0x18, r2, 0x1, 0x0) syzkaller login: [ 58.169959][ T8158] IPVS: ftp: loaded support on port[0] = 21 [ 58.250077][ T8160] IPVS: ftp: loaded support on port[0] = 21 23:24:49 executing program 2: rt_sigprocmask(0x0, &(0x7f0000000140)={0xfffffffffffffffd}, 0x0, 0x8) r0 = gettid() timer_create(0x7, &(0x7f0000000040)={0x0, 0x2d, 0x4, @tid=r0}, &(0x7f0000000280)) timer_settime(0x0, 0x0, &(0x7f0000000000)={{0x0, 0x1}, {0x0, 0x989680}}, 0x0) r1 = signalfd4(0xffffffffffffffff, &(0x7f00000001c0)={0xfffffffffffffdb0}, 0x8, 0x0) read(r1, &(0x7f0000000700)=""/128, 0xfc25) [ 58.408817][ T8158] chnl_net:caif_netlink_parms(): no params data found [ 58.466766][ T8160] chnl_net:caif_netlink_parms(): no params data found [ 58.508195][ T8158] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.518444][ T8164] IPVS: ftp: loaded support on port[0] = 21 [ 58.524541][ T8158] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.534716][ T8158] device bridge_slave_0 entered promiscuous mode [ 58.554366][ T8158] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.562089][ T8158] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.569935][ T8158] device bridge_slave_1 entered promiscuous mode [ 58.586375][ T8160] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.597043][ T8160] bridge0: port 1(bridge_slave_0) entered disabled state 23:24:50 executing program 3: r0 = syz_open_dev$dri(&(0x7f00000001c0)='/dev/dri/card#\x00', 0x1, 0x0) ioctl$DRM_IOCTL_MODE_GETRESOURCES(r0, 0xc04064a0, &(0x7f0000000200)={0x0, &(0x7f0000000100)=[0x0], &(0x7f0000000140)=[0x0], &(0x7f0000000180)=[0x0], 0x0, 0x1, 0x1, 0x1}) [ 58.605470][ T8160] device bridge_slave_0 entered promiscuous mode [ 58.622655][ T8160] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.629777][ T8160] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.639999][ T8160] device bridge_slave_1 entered promiscuous mode [ 58.667763][ T8158] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.685405][ T8158] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.708463][ T8160] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.737021][ T8160] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.753484][ T8158] team0: Port device team_slave_0 added [ 58.760649][ T8158] team0: Port device team_slave_1 added [ 58.853136][ T8158] device hsr_slave_0 entered promiscuous mode 23:24:50 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7b, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 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 = socket(0x10, 0x200000000803, 0x0) sendto(r0, &(0x7f0000000000)="120000001a00e5ff007b00000000008000a1", 0x12, 0x0, 0x0, 0x0) recvmmsg(r0, &(0x7f0000001c40)=[{{0x0, 0x3a4, 0x0, 0x0, 0x0, 0x9}, 0x7000000}], 0x11, 0x0, 0x0) socket$netlink(0x10, 0x3, 0x0) socket(0x0, 0x0, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x20, 0x0, 0x0) socket$netlink(0x10, 0x3, 0x0) socket(0x0, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(0xffffffffffffffff, 0x0, 0x0) r1 = socket$inet_udp(0x2, 0x2, 0x0) close(r1) [ 58.911359][ T8158] device hsr_slave_1 entered promiscuous mode [ 58.991077][ T8160] team0: Port device team_slave_0 added [ 59.007311][ T8166] IPVS: ftp: loaded support on port[0] = 21 [ 59.012249][ T8160] team0: Port device team_slave_1 added [ 59.116589][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 59.139767][ T8169] IPVS: ftp: loaded support on port[0] = 21 [ 59.156854][ T8158] netdevsim netdevsim0 netdevsim0: renamed from eth0 23:24:50 executing program 5: r0 = socket(0x2, 0x3, 0x67) ioctl$sock_kcm_SIOCKCMUNATTACH(r0, 0x89e1, 0x0) [ 59.233259][ T8158] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.323246][ T8160] device hsr_slave_0 entered promiscuous mode [ 59.351223][ T8160] device hsr_slave_1 entered promiscuous mode [ 59.390922][ T8160] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.412998][ T8158] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.509039][ T8158] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.592858][ T8166] chnl_net:caif_netlink_parms(): no params data found [ 59.597801][ T8171] IPVS: ftp: loaded support on port[0] = 21 [ 59.624871][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.632505][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.640325][ T8164] device bridge_slave_0 entered promiscuous mode [ 59.649614][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.656757][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.664373][ T8164] device bridge_slave_1 entered promiscuous mode [ 59.677920][ T8160] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.732921][ T8160] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.800244][ T8160] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.877133][ T8160] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.934001][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.949048][ T8166] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.958565][ T8166] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.966422][ T8166] device bridge_slave_0 entered promiscuous mode [ 59.990058][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.014573][ T8164] team0: Port device team_slave_0 added [ 60.020629][ T8166] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.029843][ T8166] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.037691][ T8166] device bridge_slave_1 entered promiscuous mode [ 60.077749][ T8164] team0: Port device team_slave_1 added [ 60.098838][ T8166] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.123377][ T8166] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.165053][ T8164] device hsr_slave_0 entered promiscuous mode [ 60.221255][ T8164] device hsr_slave_1 entered promiscuous mode [ 60.270930][ T8164] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.290477][ T8158] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.298182][ T8169] chnl_net:caif_netlink_parms(): no params data found [ 60.356134][ T8166] team0: Port device team_slave_0 added [ 60.367348][ T8166] team0: Port device team_slave_1 added [ 60.391715][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.399709][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.411928][ T8169] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.418976][ T8169] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.426790][ T8169] device bridge_slave_0 entered promiscuous mode [ 60.503480][ T8166] device hsr_slave_0 entered promiscuous mode [ 60.571265][ T8166] device hsr_slave_1 entered promiscuous mode [ 60.610928][ T8166] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.624552][ T8169] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.631893][ T8169] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.639495][ T8169] device bridge_slave_1 entered promiscuous mode [ 60.659371][ T8158] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.690298][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.699219][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.707643][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.714800][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.729777][ T8164] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.767012][ T8171] chnl_net:caif_netlink_parms(): no params data found [ 60.779000][ T8160] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.788472][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.796815][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.805452][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.814861][ T2710] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.822007][ T2710] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.830177][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.843213][ T8169] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.855207][ T8169] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.864641][ T8164] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.918190][ T8164] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.972519][ T8164] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.030306][ T8169] team0: Port device team_slave_0 added [ 61.059069][ T8169] team0: Port device team_slave_1 added [ 61.066949][ T2710] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.080907][ T8160] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.087925][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.096193][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.105600][ T8166] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.166472][ T8166] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.238321][ T8166] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.295564][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.304462][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.312873][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.321653][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.329897][ T3903] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.336984][ T3903] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.344983][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.352759][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.373578][ T8166] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.424396][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.434204][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.442881][ T8171] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.449910][ T8171] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.458139][ T8171] device bridge_slave_0 entered promiscuous mode [ 61.504048][ T8169] device hsr_slave_0 entered promiscuous mode [ 61.552151][ T8169] device hsr_slave_1 entered promiscuous mode [ 61.591032][ T8169] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.613155][ T8171] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.620235][ T8171] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.628225][ T8171] device bridge_slave_1 entered promiscuous mode [ 61.640159][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.649691][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.658472][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.667113][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.675666][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.682771][ T8173] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.690238][ T8173] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.724222][ T8158] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.740502][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.749412][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.758143][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.774353][ T8169] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.836225][ T8171] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.850985][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.859564][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.868534][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.877252][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.886040][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.899341][ T8169] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.947606][ T8169] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 62.004614][ T8171] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.024933][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.032495][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.053943][ T8160] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.064910][ T8160] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.076516][ T8169] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 62.118786][ T8171] team0: Port device team_slave_0 added [ 62.134742][ T8171] team0: Port device team_slave_1 added [ 62.141704][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.150003][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.159781][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.168435][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.177927][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.194202][ T8158] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.216983][ T8160] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.236505][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.244134][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.260339][ T8166] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.324448][ T8171] device hsr_slave_0 entered promiscuous mode [ 62.381327][ T8171] device hsr_slave_1 entered promiscuous mode [ 62.431013][ T8171] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.445306][ T8166] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.474997][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.499031][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.518583][ T3903] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 167.540759][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 167.547744][ C0] (detected by 0, t=10502 jiffies, g=6497, q=73) [ 167.554144][ C0] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953906-4294943403), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 167.567485][ C0] syz-executor.0 R running task 28056 8183 8158 0x0000400a [ 167.575373][ C0] Call Trace: [ 167.578646][ C0] [ 167.581491][ C0] sched_show_task+0x40f/0x560 [ 167.586247][ C0] rcu_sched_clock_irq+0x1861/0x1ad0 [ 167.591527][ C0] update_process_times+0x12d/0x180 [ 167.596713][ C0] tick_sched_timer+0x263/0x420 [ 167.601548][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.607077][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.612275][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.617218][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.622491][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.628020][ C0] apic_timer_interrupt+0xf/0x20 [ 167.632937][ C0] [ 167.635871][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x4/0x50 [ 167.641922][ C0] Code: 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 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 [ 167.661686][ C0] RSP: 0018:ffffc90001ee75a0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.670101][ C0] RAX: ffffffff81487326 RBX: ffffea00023a6280 RCX: 0000000000000000 [ 167.678061][ C0] RDX: ffffc90001f29000 RSI: 00000000fffffffc RDI: ffffea00023a6280 [ 167.686019][ C0] RBP: ffffc90001ee75c8 R08: 000000000003a768 R09: ffffed1013391ea7 [ 167.693979][ C0] R10: ffffed1013391ea7 R11: 0000000000000000 R12: ffff8880984a13a0 [ 167.701937][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888099c8f528 [ 167.710062][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.715349][ C0] ? mod_memcg_page_state+0x16/0x190 [ 167.720709][ C0] free_thread_stack+0x168/0x590 [ 167.725635][ C0] put_task_stack+0xa3/0x130 [ 167.730219][ C0] finish_task_switch+0x3f1/0x550 [ 167.735235][ C0] __schedule+0x9a8/0xcc0 [ 167.739560][ C0] ? __purge_vmap_area_lazy+0x1a05/0x1b00 [ 167.745542][ C0] __cond_resched_lock+0x11b/0x1d0 [ 167.750643][ C0] __purge_vmap_area_lazy+0x1a05/0x1b00 [ 167.756187][ C0] _vm_unmap_aliases+0x43a/0x4c0 [ 167.761115][ C0] vm_unmap_aliases+0x19/0x20 [ 167.765781][ C0] change_page_attr_set_clr+0x267/0x650 [ 167.771490][ C0] set_memory_ro+0x66/0x90 [ 167.775898][ C0] bpf_int_jit_compile+0x8bab/0x9090 [ 167.781170][ C0] ? bpf_check+0x9eae/0xfc40 [ 167.785782][ C0] ? ktime_get_with_offset+0x98/0x180 [ 167.791145][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 167.796421][ C0] bpf_prog_select_runtime+0x787/0xa80 [ 167.801869][ C0] ? memset+0x31/0x40 [ 167.805848][ C0] __do_sys_bpf+0x9a47/0xc890 [ 167.810558][ C0] ? kcov_ioctl+0x285/0x2c0 [ 167.815064][ C0] ? __might_fault+0xf9/0x160 [ 167.819745][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.825136][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 167.830502][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 167.836566][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 167.842278][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 167.847988][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 167.853489][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 167.859193][ C0] ? do_syscall_64+0x1d/0x1c0 [ 167.863866][ C0] __x64_sys_bpf+0x7a/0x90 [ 167.868276][ C0] do_syscall_64+0xf7/0x1c0 [ 167.872929][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.878827][ C0] RIP: 0033:0x45a679 [ 167.882719][ C0] 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 [ 167.902313][ C0] RSP: 002b:00007fda9b86bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 167.910710][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 167.918668][ C0] RDX: 0000000000000048 RSI: 0000000020000440 RDI: 0000000000000005 [ 167.926625][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 167.934582][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fda9b86c6d4 [ 167.942540][ C0] R13: 00000000004c0d07 R14: 00000000004d4808 R15: 00000000ffffffff [ 167.950522][ C0] rcu: rcu_preempt kthread starved for 10542 jiffies! g6497 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.961605][ C0] rcu: RCU grace-period kthread stack dump: [ 167.967480][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.975365][ C0] Call Trace: [ 167.978648][ C0] __schedule+0x9a0/0xcc0 [ 167.982974][ C0] schedule+0x181/0x210 [ 167.987118][ C0] schedule_timeout+0x14f/0x240 [ 167.991967][ C0] ? run_local_timers+0x120/0x120 [ 167.996981][ C0] rcu_gp_kthread+0xed8/0x1770 [ 168.001744][ C0] kthread+0x332/0x350 [ 168.005808][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 168.010997][ C0] ? kthread_blkcg+0xe0/0xe0 [ 168.015575][ C0] ret_from_fork+0x24/0x30