[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.949219][ T26] audit: type=1800 audit(1578463524.128:25): pid=8339 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.981070][ T26] audit: type=1800 audit(1578463524.128:26): pid=8339 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 47.001718][ T26] audit: type=1800 audit(1578463524.128:27): pid=8339 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 '10.128.1.34' (ECDSA) to the list of known hosts. 2020/01/08 06:05:35 fuzzer started 2020/01/08 06:05:37 dialing manager at 10.128.0.26:35703 2020/01/08 06:05:37 syscalls: 2824 2020/01/08 06:05:37 code coverage: enabled 2020/01/08 06:05:37 comparison tracing: enabled 2020/01/08 06:05:37 extra coverage: enabled 2020/01/08 06:05:37 setuid sandbox: enabled 2020/01/08 06:05:37 namespace sandbox: enabled 2020/01/08 06:05:37 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 06:05:37 fault injection: enabled 2020/01/08 06:05:37 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 06:05:37 net packet injection: enabled 2020/01/08 06:05:37 net device setup: enabled 2020/01/08 06:05:37 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 06:05:37 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:05:38 executing program 0: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = socket$unix(0x1, 0x10004000000002, 0x0) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x400) r3 = socket$inet6_sctp(0xa, 0x5, 0x84) r4 = socket$inet(0x2, 0x80001, 0x84) getsockopt$inet_sctp_SCTP_MAX_BURST(r4, 0x84, 0x14, &(0x7f0000000000)=@assoc_value={0x0}, &(0x7f0000000040)=0x4) setsockopt$inet_sctp6_SCTP_ASSOCINFO(r3, 0x84, 0x1e, &(0x7f0000000240)={r5}, 0x14) 06:05:38 executing program 1: r0 = creat(&(0x7f0000000180)='./bus\x00', 0x0) r1 = open(&(0x7f0000000100)='./bus\x00', 0x0, 0x0) r2 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) write$binfmt_elf64(r0, &(0x7f00000000c0)=ANY=[@ANYPTR], 0x8) lsetxattr$security_ima(&(0x7f0000000000)='./bus\x00', &(0x7f00000001c0)='security.ima\x00', &(0x7f0000000140)=@ng={0x4, 0x8}, 0x2, 0x0) dup3(r1, r0, 0x0) finit_module(r1, 0x0, 0x0) syzkaller login: [ 61.547049][ T8502] IPVS: ftp: loaded support on port[0] = 21 [ 61.647208][ T8504] IPVS: ftp: loaded support on port[0] = 21 [ 61.723961][ T8502] chnl_net:caif_netlink_parms(): no params data found 06:05:38 executing program 2: r0 = openat$ubi_ctrl(0xffffffffffffff9c, &(0x7f0000000240)='/dev/ubi_ctrl\x00', 0x0, 0x0) ioctl$TIOCSTI(r0, 0x40046f41, 0x20400009) [ 61.791934][ T8504] chnl_net:caif_netlink_parms(): no params data found [ 61.807101][ T8502] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.823152][ T8502] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.831284][ T8502] device bridge_slave_0 entered promiscuous mode [ 61.862912][ T8502] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.883112][ T8502] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.903153][ T8502] device bridge_slave_1 entered promiscuous mode [ 61.959191][ T8502] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.979506][ T8504] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.987350][ T8504] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.995725][ T8504] device bridge_slave_0 entered promiscuous mode [ 62.006191][ T8502] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.009041][ T8509] IPVS: ftp: loaded support on port[0] = 21 [ 62.034536][ T8504] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.041606][ T8504] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.052126][ T8504] device bridge_slave_1 entered promiscuous mode 06:05:39 executing program 3: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)="d800000018008100e00f80ecdb4cb9040a4465ef0b007c05e87c55a1bc000900b8000699030000000500150006008178a8001600050001c00200000003ac040000d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe04000000730d16a4683e4f6d0200003f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e04adcdf634c1f215ce3bb9ad809d5e1cace81ed0b7fece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92307f27260e9703", 0xd8}], 0x1}, 0x0) [ 62.083421][ T8502] team0: Port device team_slave_0 added [ 62.104274][ T8502] team0: Port device team_slave_1 added [ 62.122401][ T8504] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 06:05:39 executing program 4: bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0xf, 0x3, &(0x7f0000000280)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x51, 0x54}}, &(0x7f0000000140)='GPL\x00', 0x1, 0xfc76, &(0x7f0000000180)=""/153, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000040)}, 0x48) [ 62.265269][ T8502] device hsr_slave_0 entered promiscuous mode [ 62.293620][ T8502] device hsr_slave_1 entered promiscuous mode [ 62.356288][ T8504] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.414507][ T8511] IPVS: ftp: loaded support on port[0] = 21 [ 62.470076][ T8504] team0: Port device team_slave_0 added [ 62.533053][ T8504] team0: Port device team_slave_1 added [ 62.549423][ T8514] IPVS: ftp: loaded support on port[0] = 21 06:05:39 executing program 5: r0 = syz_open_dev$video(&(0x7f0000000140)='/dev/video#\x00', 0x3f, 0x0) ioctl$VIDIOC_S_EXT_CTRLS(r0, 0xc0205648, &(0x7f0000000040)={0x0, 0x1}) [ 62.616590][ T8509] chnl_net:caif_netlink_parms(): no params data found [ 62.745463][ T8504] device hsr_slave_0 entered promiscuous mode [ 62.783533][ T8504] device hsr_slave_1 entered promiscuous mode [ 62.833284][ T8504] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 62.841081][ T8504] Cannot create hsr debugfs directory [ 62.926176][ T8511] chnl_net:caif_netlink_parms(): no params data found [ 62.942021][ T8502] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 63.000098][ T8509] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.007363][ T8509] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.015525][ T8509] device bridge_slave_0 entered promiscuous mode [ 63.024934][ T8509] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.032089][ T8509] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.040066][ T8509] device bridge_slave_1 entered promiscuous mode [ 63.051971][ T8502] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 63.061603][ T8516] IPVS: ftp: loaded support on port[0] = 21 [ 63.117854][ T8502] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 63.215119][ T8502] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 63.255670][ T8509] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.267676][ T8509] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.285896][ T8511] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.294297][ T8511] bridge0: port 1(bridge_slave_0) entered disabled state [ 63.302248][ T8511] device bridge_slave_0 entered promiscuous mode [ 63.312032][ T8511] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.319230][ T8511] bridge0: port 2(bridge_slave_1) entered disabled state [ 63.327016][ T8511] device bridge_slave_1 entered promiscuous mode [ 63.351712][ T8509] team0: Port device team_slave_0 added [ 63.359633][ T8509] team0: Port device team_slave_1 added [ 63.377756][ T8511] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 63.439054][ T8511] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 63.525926][ T8509] device hsr_slave_0 entered promiscuous mode [ 63.563970][ T8509] device hsr_slave_1 entered promiscuous mode [ 63.603198][ T8509] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 63.610877][ T8509] Cannot create hsr debugfs directory [ 63.623747][ T8511] team0: Port device team_slave_0 added [ 63.632303][ T8511] team0: Port device team_slave_1 added [ 63.641016][ T8504] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 63.695633][ T8504] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 63.735600][ T8514] chnl_net:caif_netlink_parms(): no params data found [ 63.773391][ T8504] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 63.815352][ T8504] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 63.926025][ T8511] device hsr_slave_0 entered promiscuous mode [ 63.973336][ T8511] device hsr_slave_1 entered promiscuous mode [ 64.033205][ T8511] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.040819][ T8511] Cannot create hsr debugfs directory [ 64.090796][ T8514] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.098898][ T8514] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.107353][ T8514] device bridge_slave_0 entered promiscuous mode [ 64.115622][ T8514] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.122779][ T8514] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.132582][ T8514] device bridge_slave_1 entered promiscuous mode [ 64.230070][ T8514] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.278835][ T8509] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 64.316048][ T8514] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 64.338578][ T8516] chnl_net:caif_netlink_parms(): no params data found [ 64.360249][ T8509] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 64.386164][ T8509] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 64.436663][ T8514] team0: Port device team_slave_0 added [ 64.452717][ T8511] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 64.487761][ T8509] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 64.536130][ T8514] team0: Port device team_slave_1 added [ 64.566510][ T8511] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 64.607089][ T8511] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 64.667069][ T8511] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 64.765911][ T8514] device hsr_slave_0 entered promiscuous mode [ 64.804234][ T8514] device hsr_slave_1 entered promiscuous mode [ 64.843198][ T8514] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 64.850856][ T8514] Cannot create hsr debugfs directory [ 64.861881][ T8516] bridge0: port 1(bridge_slave_0) entered blocking state [ 64.870633][ T8516] bridge0: port 1(bridge_slave_0) entered disabled state [ 64.878581][ T8516] device bridge_slave_0 entered promiscuous mode [ 64.888872][ T8516] bridge0: port 2(bridge_slave_1) entered blocking state [ 64.896357][ T8516] bridge0: port 2(bridge_slave_1) entered disabled state [ 64.905414][ T8516] device bridge_slave_1 entered promiscuous mode [ 64.919756][ T8502] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.945908][ T8516] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 64.969078][ T8502] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.982224][ T8516] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 65.012273][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.020889][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.052779][ T8516] team0: Port device team_slave_0 added [ 65.061709][ T8516] team0: Port device team_slave_1 added [ 65.077020][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.086509][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.095052][ T2924] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.102519][ T2924] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.111471][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.130084][ T8504] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.147211][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.156745][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.166365][ T2862] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.174092][ T2862] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.181645][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.202565][ T8504] 8021q: adding VLAN 0 to HW filter on device team0 [ 65.220261][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 65.229908][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 65.296367][ T8516] device hsr_slave_0 entered promiscuous mode [ 65.333479][ T8516] device hsr_slave_1 entered promiscuous mode [ 65.403164][ T8516] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 65.410851][ T8516] Cannot create hsr debugfs directory [ 65.428570][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.438106][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.447275][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.456360][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 65.465630][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 65.474141][ T2911] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.481330][ T2911] bridge0: port 1(bridge_slave_0) entered forwarding state [ 65.488957][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.497666][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.506184][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.514095][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.571729][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 65.581250][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 65.589894][ T2850] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.597134][ T2850] bridge0: port 2(bridge_slave_1) entered forwarding state [ 65.604817][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 65.613463][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 65.621891][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.630494][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.639192][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.649410][ T2850] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.677542][ T8514] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 65.715241][ T8514] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 65.770391][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 65.780311][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 65.789552][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 65.800406][ T8502] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 65.817804][ T8511] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.824911][ T8514] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 65.893126][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 65.902351][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 65.916338][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 65.925504][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 65.937047][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 65.945520][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 65.954483][ T8514] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 66.029997][ T8504] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.042445][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.055566][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.067378][ T8502] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.082608][ T8509] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.095331][ T8516] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 66.148516][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.156538][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.167514][ T8511] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.188021][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.196632][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.204891][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 66.212338][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 66.220666][ T8516] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 66.290884][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.300050][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.310984][ T2924] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.318212][ T2924] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.325950][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.334642][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.342899][ T2924] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.349989][ T2924] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.358128][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.366878][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.376016][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.387749][ T8516] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 66.435972][ T8516] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 66.496339][ T8509] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.508095][ T8504] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 66.520619][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.529855][ T2911] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.550773][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.560257][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.568970][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 66.578238][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 66.586926][ T2947] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.595382][ T2947] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.603754][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 66.612394][ T2947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 66.620820][ T2947] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.627887][ T2947] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.661947][ T8502] device veth0_vlan entered promiscuous mode [ 66.689002][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.696823][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 66.704804][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.715565][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.724457][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.732659][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 66.741501][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.749734][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.758640][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 66.767189][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 66.775866][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 66.784406][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 66.795210][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 66.803353][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 66.811183][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 66.819365][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 66.827947][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 66.849325][ T8502] device veth1_vlan entered promiscuous mode [ 66.864799][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 66.872853][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 66.882018][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 66.890926][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 66.899867][ T2862] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 66.927447][ T8511] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 66.955886][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 66.965425][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 66.975645][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 66.984045][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 66.992306][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.001875][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 67.010096][ T2909] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 67.022080][ T8509] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.034610][ T8509] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 67.076620][ T8504] device veth0_vlan entered promiscuous mode [ 67.084884][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 67.093766][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.102046][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.110613][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.132008][ T8511] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.149038][ T8509] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 67.158175][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 67.166145][ T2924] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 67.185627][ T8514] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.196128][ T8504] device veth1_vlan entered promiscuous mode [ 67.250302][ T8516] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.280321][ T8516] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.329231][ T8516] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 67.349652][ T8523] sctp: [Deprecated]: syz-executor.0 (pid 8523) Use of int in max_burst socket option. [ 67.349652][ T8523] Use struct sctp_assoc_value instead [ 67.371238][ T8516] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 67.412084][ T8511] device veth0_vlan entered promiscuous mode [ 67.434041][ T8511] device veth1_vlan entered promiscuous mode [ 68.018545][ T8523] sctp: [Deprecated]: syz-executor.0 (pid 8523) Use of int in max_burst socket option. [ 68.018545][ T8523] Use struct sctp_assoc_value instead [ 172.342963][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 172.349837][ C0] rcu: 0-...!: (1 GPs behind) idle=7f6/1/0x4000000000000002 softirq=11148/11157 fqs=34 [ 172.359804][ C0] (t=10501 jiffies g=6949 q=540) [ 172.364823][ C0] rcu: rcu_preempt kthread starved for 10433 jiffies! g6949 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 172.375913][ C0] rcu: RCU grace-period kthread stack dump: [ 172.381809][ C0] rcu_preempt R running task 28984 10 2 0x80004000 [ 172.389697][ C0] Call Trace: [ 172.393068][ C0] __schedule+0x9a0/0xcc0 [ 172.397412][ C0] schedule+0x181/0x210 [ 172.401558][ C0] schedule_timeout+0x14f/0x240 [ 172.406399][ C0] ? run_local_timers+0x120/0x120 [ 172.411438][ C0] rcu_gp_kthread+0xed8/0x1770 [ 172.416207][ C0] kthread+0x332/0x350 [ 172.420275][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 172.425373][ C0] ? kthread_blkcg+0xe0/0xe0 [ 172.430132][ C0] ret_from_fork+0x24/0x30 [ 172.434554][ C0] NMI backtrace for cpu 0 [ 172.438890][ C0] CPU: 0 PID: 8502 Comm: syz-executor.0 Not tainted 5.5.0-rc5-syzkaller #0 [ 172.447456][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 172.457498][ C0] Call Trace: [ 172.460785][ C0] [ 172.463633][ C0] dump_stack+0x1fb/0x318 [ 172.467956][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 172.474184][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 172.480328][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 172.486386][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 172.492360][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 172.498245][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 172.503370][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 172.508561][ C0] ? trace_hardirqs_off+0x74/0x80 [ 172.513579][ C0] update_process_times+0x12d/0x180 [ 172.518780][ C0] tick_sched_timer+0x263/0x420 [ 172.523617][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 172.529157][ C0] __hrtimer_run_queues+0x403/0x840 [ 172.534361][ C0] hrtimer_interrupt+0x38c/0xda0 [ 172.539308][ C0] ? debug_smp_processor_id+0x9/0x20 [ 172.544676][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 172.550213][ C0] apic_timer_interrupt+0xf/0x20 [ 172.555138][ C0] [ 172.558068][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 172.564133][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 f4 ed 07 48 89 de e8 84 f4 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 5f 8b 7e f7 c2 [ 172.583729][ C0] RSP: 0018:ffffc90002107bc8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 172.592133][ C0] RAX: 1ffff110134270d1 RBX: ffffea00023a3b40 RCX: ffff8880a90d0000 [ 172.600110][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023a3b40 [ 172.608090][ C0] RBP: ffffc90002107c08 R08: 000000000003a728 R09: ffffed10129bf719 [ 172.616064][ C0] R10: ffffed10129bf719 R11: 0000000000000000 R12: ffff88809a138720 [ 172.624060][ C0] R13: dffffc0000000000 R14: 1ffff110134270e4 R15: ffff888094dfb8b8 [ 172.632049][ C0] ? free_thread_stack+0x124/0x590 [ 172.637154][ C0] put_task_stack+0xa3/0x130 [ 172.641740][ C0] finish_task_switch+0x3f1/0x550 [ 172.646759][ C0] __schedule+0x9a8/0xcc0 [ 172.651090][ C0] schedule+0x181/0x210 [ 172.655261][ C0] do_nanosleep+0x1d0/0x6c0 [ 172.659767][ C0] hrtimer_nanosleep+0x3a6/0x5b0 [ 172.664702][ C0] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 172.670680][ C0] __x64_sys_nanosleep+0x186/0x1d0 [ 172.675789][ C0] do_syscall_64+0xf7/0x1c0 [ 172.681255][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 172.687157][ C0] RIP: 0033:0x4593f0 [ 172.691050][ C0] Code: c0 5b 5d c3 66 0f 1f 44 00 00 8b 04 24 48 83 c4 18 5b 5d c3 66 0f 1f 44 00 00 83 3d 41 f5 61 00 00 75 14 b8 23 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 d1 fb ff c3 48 83 ec 08 e8 ea 46 00 00 [ 172.710647][ C0] RSP: 002b:00007ffff961fc18 EFLAGS: 00000246 ORIG_RAX: 0000000000000023 [ 172.719051][ C0] RAX: ffffffffffffffda RBX: 0000000000010687 RCX: 00000000004593f0 [ 172.727016][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007ffff961fc20 [ 172.734983][ C0] RBP: 0000000000000002 R08: 0000000000000001 R09: 00000000028fc940 [ 172.742949][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 172.751101][ C0] R13: 00007ffff961fc70 R14: 000000000001066f R15: 00007ffff961fc80