[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 44.101569][ T23] audit: type=1800 audit(1575385135.202:25): pid=8099 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.120567][ T23] audit: type=1800 audit(1575385135.212:26): pid=8099 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.142355][ T23] audit: type=1800 audit(1575385135.212:27): pid=8099 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 '10.128.0.125' (ECDSA) to the list of known hosts. 2019/12/03 14:59:05 fuzzer started 2019/12/03 14:59:07 dialing manager at 10.128.0.26:45711 2019/12/03 14:59:07 syscalls: 2689 2019/12/03 14:59:07 code coverage: enabled 2019/12/03 14:59:07 comparison tracing: enabled 2019/12/03 14:59:07 extra coverage: extra coverage is not supported by the kernel 2019/12/03 14:59:07 setuid sandbox: enabled 2019/12/03 14:59:07 namespace sandbox: enabled 2019/12/03 14:59:07 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 14:59:07 fault injection: enabled 2019/12/03 14:59:07 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 14:59:07 net packet injection: enabled 2019/12/03 14:59:07 net device setup: enabled 2019/12/03 14:59:07 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 14:59:07 devlink PCI setup: PCI device 0000:00:10.0 is not available 14:59:08 executing program 0: 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 = socket$inet6(0xa, 0x3, 0x20000000021) r1 = socket$packet(0x11, 0x0, 0x300) perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r2 = syz_open_dev$mice(0x0, 0x0, 0x28100) socket$inet_udp(0x2, 0x2, 0x0) socket$pptp(0x18, 0x1, 0x2) getdents64(0xffffffffffffffff, 0x0, 0x600) socket$xdp(0x2c, 0x3, 0x0) open(0x0, 0x0, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) lstat(0x0, &(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) sendmsg$netlink(0xffffffffffffffff, &(0x7f0000001900)={&(0x7f0000000000), 0xc, 0x0, 0x0, &(0x7f00000017c0)=ANY=[@ANYBLOB='(\x00\x00\x00\x00\x00\x00\x00', @ANYRES32, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYRES32, @ANYRES32=r3, @ANYRES32, @ANYBLOB, @ANYBLOB, @ANYRES32, @ANYBLOB, @ANYBLOB="000000001400", @ANYRES32, @ANYRES32], 0x32, 0x4040040}, 0x4000000) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, 0x0, 0x0) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getresuid(&(0x7f0000000d00), 0x0, &(0x7f0000000d80)) getegid() sendmmsg$unix(0xffffffffffffffff, &(0x7f0000000ec0)=[{0x0, 0x0, &(0x7f00000007c0), 0x0, &(0x7f00000008c0)=[@rights={{0x10}}, @rights={{0x10}}, @cred={{0x1c, 0x1, 0x2, {0x0, 0x0, 0xee01}}}, @rights={{0x14, 0x1, 0x1, [0xffffffffffffffff]}}], 0x58, 0x4000000}, {0x0, 0x0, &(0x7f0000000a80)=[{0x0}], 0x1, &(0x7f0000000dc0)=[@cred={{0x1c}}, @cred={{0x1c}}, @rights={{0x28, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, r2]}}, @rights={{0x18, 0x1, 0x1, [r2, 0xffffffffffffffff]}}], 0x80, 0xbfecbd20c6d21766}], 0x2, 0x2) shmctl$IPC_SET(0x0, 0x1, &(0x7f00000001c0)={{0x6, 0x0, r3, 0x0, 0xee01, 0x80}, 0xa99, 0x6, 0x0, 0x0, 0x0, 0x0, 0x200}) 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_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$mice(0x0, 0x0, 0x28100) socket$inet_udp(0x2, 0x2, 0x0) socket$pptp(0x18, 0x1, 0x2) r4 = open(0x0, 0x0, 0x0) getdents64(r4, 0x0, 0x600) socket$xdp(0x2c, 0x3, 0x0) open(0x0, 0x0, 0x0) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) socket$inet6_sctp(0xa, 0x5, 0x84) ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) lstat(&(0x7f0000000080)='./control\x00', &(0x7f0000000180)) getsockopt$sock_cred(0xffffffffffffffff, 0x1, 0x11, &(0x7f0000000240), 0x0) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) open(&(0x7f00000000c0)='.\x00', 0x0, 0x0) getresuid(&(0x7f0000000d00), &(0x7f0000000d40), &(0x7f0000000d80)) getegid() setsockopt$packet_fanout(r1, 0x107, 0x12, &(0x7f0000001440)={0x0, 0x3}, 0x4) connect$inet6(r0, &(0x7f0000000040)={0xa, 0x0, 0x0, @local, 0x9}, 0x1c) sendto$inet6(r0, &(0x7f0000000000), 0xff77, 0x0, 0x0, 0x4d97) 14:59:08 executing program 1: r0 = socket$inet6(0xa, 0x803, 0xfe) connect$inet6(r0, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_IPV6_XFRM_POLICY(r0, 0x29, 0x23, &(0x7f0000000100)={{{@in=@remote, @in6=@dev, 0x4e21, 0x1, 0x0, 0x0, 0xa}, {}, {}, 0x0, 0x0, 0x80000000000001}, {{@in6=@mcast1, 0x0, 0x3c}, 0x0, @in=@empty}}, 0xe8) sendmmsg(r0, &(0x7f0000008440)=[{{0x0, 0x1aa, 0x0}}], 0x400000000000107, 0x0) syzkaller login: [ 57.650462][ T8264] IPVS: ftp: loaded support on port[0] = 21 14:59:08 executing program 2: r0 = socket$kcm(0x2b, 0x1, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0xd, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x61, 0x11, 0x70}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 57.721376][ T8266] IPVS: ftp: loaded support on port[0] = 21 [ 57.808868][ T8264] chnl_net:caif_netlink_parms(): no params data found [ 57.916661][ T8264] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.933158][ T8264] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.953139][ T8264] device bridge_slave_0 entered promiscuous mode 14:59:09 executing program 3: r0 = socket(0x1e, 0x1, 0x0) sendmmsg(r0, &(0x7f0000000280)=[{{&(0x7f00000000c0)=@tipc=@nameseq={0x1e, 0x1, 0x0, {0x1, 0x0, 0x1}}, 0x80, &(0x7f0000000240)=[{&(0x7f00000014c0)="d2", 0x1}], 0x1}}], 0x1, 0x0) [ 57.997431][ T8264] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.005177][ T8264] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.031627][ T8264] device bridge_slave_1 entered promiscuous mode [ 58.050188][ T8269] IPVS: ftp: loaded support on port[0] = 21 [ 58.094489][ T8264] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.116777][ T8266] chnl_net:caif_netlink_parms(): no params data found [ 58.136178][ T8264] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.188726][ T8264] team0: Port device team_slave_0 added [ 58.215541][ T8264] team0: Port device team_slave_1 added [ 58.230209][ T8266] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.239758][ T8266] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.249919][ T8266] device bridge_slave_0 entered promiscuous mode [ 58.258810][ T8272] IPVS: ftp: loaded support on port[0] = 21 [ 58.276247][ T8266] bridge0: port 2(bridge_slave_1) entered blocking state 14:59:09 executing program 4: socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) pipe(&(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) write(r4, &(0x7f0000000340)="460000002800070f3200000800367700fbff020002", 0x15) fsetxattr$security_capability(0xffffffffffffffff, 0x0, &(0x7f0000000140)=@v3={0x3000000, [{0xffffffff, 0xfffffffe}]}, 0x18, 0x0) r5 = socket$nl_route(0x10, 0x3, 0x0) write$binfmt_misc(r4, &(0x7f0000000140)=ANY=[], 0x4240a2a0) splice(r3, 0x0, r5, 0x0, 0x4ffe0, 0x0) [ 58.286013][ T8266] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.294236][ T8266] device bridge_slave_1 entered promiscuous mode [ 58.365113][ T8264] device hsr_slave_0 entered promiscuous mode [ 58.443252][ T8264] device hsr_slave_1 entered promiscuous mode 14:59:09 executing program 5: r0 = socket$kcm(0x2b, 0x8000000000001, 0x0) ioctl$PERF_EVENT_IOC_ENABLE(r0, 0x8912, 0x400200) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='memory.events\x00', 0x26e1, 0x0) perf_event_open(&(0x7f0000000040)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8000008, 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, 0x0, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_PERIOD(r1, 0x4030582a, &(0x7f0000000040)=0x20000) [ 58.571153][ T8266] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.614141][ T8274] IPVS: ftp: loaded support on port[0] = 21 [ 58.623935][ T8266] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.645720][ T8269] chnl_net:caif_netlink_parms(): no params data found [ 58.701265][ T8266] team0: Port device team_slave_0 added [ 58.708357][ T8277] IPVS: ftp: loaded support on port[0] = 21 [ 58.723987][ T8264] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.777344][ T8264] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.825922][ T8266] team0: Port device team_slave_1 added [ 58.831667][ T8264] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.884370][ T8264] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.065157][ T8266] device hsr_slave_0 entered promiscuous mode [ 59.112847][ T8266] device hsr_slave_1 entered promiscuous mode [ 59.162363][ T8266] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.186107][ T8269] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.193695][ T8269] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.201568][ T8269] device bridge_slave_0 entered promiscuous mode [ 59.211525][ T8269] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.218887][ T8269] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.219638][ T8269] device bridge_slave_1 entered promiscuous mode [ 59.285737][ T8272] chnl_net:caif_netlink_parms(): no params data found [ 59.318301][ T8269] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.330045][ T8269] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.378763][ T8274] chnl_net:caif_netlink_parms(): no params data found [ 59.404792][ T8269] team0: Port device team_slave_0 added [ 59.424395][ T8266] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.502935][ T8269] team0: Port device team_slave_1 added [ 59.510030][ T8266] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.565026][ T8266] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.627259][ T8274] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.634488][ T8274] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.643140][ T8274] device bridge_slave_0 entered promiscuous mode [ 59.651163][ T8266] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.706532][ T8272] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.714603][ T8272] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.722668][ T8272] device bridge_slave_0 entered promiscuous mode [ 59.736151][ T8274] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.744000][ T8274] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.751831][ T8274] device bridge_slave_1 entered promiscuous mode [ 59.764674][ T8277] chnl_net:caif_netlink_parms(): no params data found [ 59.786661][ T8272] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.794993][ T8272] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.802932][ T8272] device bridge_slave_1 entered promiscuous mode [ 59.831903][ T8274] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.855649][ T8272] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.914951][ T8269] device hsr_slave_0 entered promiscuous mode [ 59.972741][ T8269] device hsr_slave_1 entered promiscuous mode [ 60.002321][ T8269] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.012061][ T8274] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.027820][ T8277] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.035596][ T8277] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.044083][ T8277] device bridge_slave_0 entered promiscuous mode [ 60.052418][ T8272] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.061603][ T8277] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.069713][ T8277] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.078516][ T8277] device bridge_slave_1 entered promiscuous mode [ 60.111626][ T8274] team0: Port device team_slave_0 added [ 60.130813][ T8264] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.154872][ T8274] team0: Port device team_slave_1 added [ 60.164842][ T8277] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.184135][ T8272] team0: Port device team_slave_0 added [ 60.192395][ T8272] team0: Port device team_slave_1 added [ 60.204022][ T8277] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.217802][ T8264] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.240346][ T8269] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.276987][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.285997][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.313968][ T8269] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.395156][ T8272] device hsr_slave_0 entered promiscuous mode [ 60.442676][ T8272] device hsr_slave_1 entered promiscuous mode [ 60.482404][ T8272] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.545003][ T8274] device hsr_slave_0 entered promiscuous mode [ 60.582570][ T8274] device hsr_slave_1 entered promiscuous mode [ 60.632462][ T8274] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.641818][ T8277] team0: Port device team_slave_0 added [ 60.649590][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.658542][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.667769][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.675395][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.684029][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.693096][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.701581][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.709958][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.717860][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.727468][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.735956][ T8269] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.786541][ T8269] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.847717][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.859351][ T8277] team0: Port device team_slave_1 added [ 60.904969][ T8277] device hsr_slave_0 entered promiscuous mode [ 60.963626][ T8277] device hsr_slave_1 entered promiscuous mode [ 61.002408][ T8277] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.036027][ T8266] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.087443][ T8278] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.096468][ T8278] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.104963][ T8278] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.122352][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.130862][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.140096][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.149040][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.157637][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.166594][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.175907][ T8274] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.248089][ T8274] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.308971][ T8264] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.321254][ T8272] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.354627][ T8272] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.394253][ T8277] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 61.444177][ T8274] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.494432][ T8274] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.555306][ T8272] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.604200][ T8277] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 61.647230][ T8266] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.654693][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.663242][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.670959][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.678610][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.702680][ T8272] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 61.734631][ T8277] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 61.787574][ T8277] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.835872][ T8264] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.856942][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.866119][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.875538][ T3168] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.882741][ T3168] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.891050][ T3168] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.919911][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.935250][ T8279] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.947336][ T8279] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.954749][ T8279] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.998704][ T8269] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.028315][ T8274] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.035711][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.050237][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.059333][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.073196][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.081563][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.095454][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.106518][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.118282][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.129904][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.141349][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.210412][ T8277] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.227167][ T8277] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.291016][ T8277] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 62.308595][ T8277] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 62.343115][ T8277] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 167.112124][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.118972][ C1] rcu: 1-...!: (10499 ticks this GP) idle=9a6/1/0x4000000000000002 softirq=11489/11489 fqs=10 [ 167.129552][ C1] (t=10500 jiffies g=6421 q=522) [ 167.134584][ C1] rcu: rcu_preempt kthread starved for 10476 jiffies! g6421 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.145684][ C1] rcu: RCU grace-period kthread stack dump: [ 167.151582][ C1] rcu_preempt R running task 29104 10 2 0x80004000 [ 167.159493][ C1] Call Trace: [ 167.162793][ C1] __schedule+0x9a0/0xcc0 [ 167.167120][ C1] schedule+0x181/0x210 [ 167.171461][ C1] schedule_timeout+0x14f/0x240 [ 167.176300][ C1] ? run_local_timers+0x120/0x120 [ 167.181326][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.186183][ C1] kthread+0x332/0x350 [ 167.190416][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.196049][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.200630][ C1] ret_from_fork+0x24/0x30 [ 167.205664][ C1] NMI backtrace for cpu 1 [ 167.209982][ C1] CPU: 1 PID: 8234 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.218375][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.228875][ C1] Call Trace: [ 167.232167][ C1] [ 167.235046][ C1] dump_stack+0x1fb/0x318 [ 167.239481][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.244345][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.250539][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.256620][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.262600][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.268505][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.273608][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.278902][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.283926][ C1] update_process_times+0x12d/0x180 [ 167.289114][ C1] tick_sched_timer+0x263/0x420 [ 167.293974][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.299594][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.304825][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.309771][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.315048][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.320582][ C1] apic_timer_interrupt+0xf/0x20 [ 167.325504][ C1] [ 167.328431][ C1] RIP: 0010:mod_memcg_page_state+0x161/0x190 [ 167.334399][ C1] Code: 3c 20 00 74 0c 48 c7 c7 28 96 0a 89 e8 a8 9e 69 00 48 83 3d c8 21 c2 07 00 74 2d e8 99 27 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 <5b> 41 5c 41 5e 41 5f 5d c3 e8 81 27 2e 00 0f 0b e8 7a 27 2e 00 0f [ 167.354074][ C1] RSP: 0018:ffffc90001e97ae0 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 167.362472][ C1] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff888098a605c0 [ 167.370430][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00024a5100 [ 167.378434][ C1] RBP: ffffc90001e97b00 R08: 000000000003a768 R09: ffffed101508ba9f [ 167.386482][ C1] R10: ffffed101508ba9f R11: 0000000000000000 R12: dffffc0000000000 [ 167.394443][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a845d4e8 [ 167.402418][ C1] ? mod_memcg_page_state+0x123/0x190 [ 167.407835][ C1] free_thread_stack+0x168/0x590 [ 167.413764][ C1] put_task_stack+0xa3/0x130 [ 167.418365][ C1] finish_task_switch+0x3f1/0x550 [ 167.423393][ C1] __schedule+0x9a8/0xcc0 [ 167.427721][ C1] schedule+0x181/0x210 [ 167.431865][ C1] schedule_hrtimeout_range_clock+0x3c7/0x510 [ 167.438010][ C1] ? trace_hrtimer_expire_exit+0x2d0/0x2d0 [ 167.443901][ C1] schedule_hrtimeout_range+0x2a/0x40 [ 167.449368][ C1] ep_poll+0xa4d/0xe80 [ 167.453447][ C1] ? do_task_dead+0xc0/0xc0 [ 167.457966][ C1] ? __kasan_check_read+0x11/0x20 [ 167.462984][ C1] do_epoll_wait+0x1ee/0x260 [ 167.467564][ C1] __x64_sys_epoll_wait+0x9a/0xb0 [ 167.472847][ C1] do_syscall_64+0xf7/0x1c0 [ 167.477369][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.483255][ C1] RIP: 0033:0x7f0ea5557943 [ 167.487863][ C1] Code: 00 31 d2 48 29 c2 64 89 11 48 83 c8 ff eb ea 90 90 90 90 90 90 90 90 83 3d b5 dc 2a 00 00 75 13 49 89 ca b8 e8 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 34 c3 48 83 ec 08 e8 3b c4 00 00 48 89 04 24 [ 167.507803][ C1] RSP: 002b:00007ffc20d15ee8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e8 [ 167.516295][ C1] RAX: ffffffffffffffda RBX: 000000000196d250 RCX: 00007f0ea5557943 [ 167.524269][ C1] RDX: 0000000000000004 RSI: 00007ffc20d15fb0 RDI: 0000000000000007 [ 167.532537][ C1] RBP: 0000000000625500 R08: 00007ffc20d15ed0 R09: 00007ffc20dbb0b8 [ 167.540522][ C1] R10: 000000000000ee42 R11: 0000000000000246 R12: 0000000001971d30 [ 167.548571][ C1] R13: 00007ffc20d17007 R14: 0000000000000005 R15: 000000000196d250