[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 52.578625][ T23] audit: type=1800 audit(1578471943.595:25): pid=8423 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 52.597677][ T23] audit: type=1800 audit(1578471943.595:26): pid=8423 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 52.645452][ T23] audit: type=1800 audit(1578471943.595:27): pid=8423 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 '10.128.0.226' (ECDSA) to the list of known hosts. 2020/01/08 08:25:55 fuzzer started 2020/01/08 08:25:57 dialing manager at 10.128.0.26:35703 2020/01/08 08:25:57 syscalls: 2824 2020/01/08 08:25:57 code coverage: enabled 2020/01/08 08:25:57 comparison tracing: enabled 2020/01/08 08:25:57 extra coverage: enabled 2020/01/08 08:25:57 setuid sandbox: enabled 2020/01/08 08:25:57 namespace sandbox: enabled 2020/01/08 08:25:57 Android sandbox: /sys/fs/selinux/policy does not exist 2020/01/08 08:25:57 fault injection: enabled 2020/01/08 08:25:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2020/01/08 08:25:57 net packet injection: enabled 2020/01/08 08:25:57 net device setup: enabled 2020/01/08 08:25:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2020/01/08 08:25:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:25:58 executing program 0: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000000)='/dev/uinput\x00', 0x0, 0x0) ioctl$UI_ABS_SETUP(r0, 0x401c5504, &(0x7f0000000040)={0x0, {0x0, 0x8}}) 08:25:59 executing program 1: io_setup(0x5, &(0x7f0000000180)=0x0) r1 = openat$tun(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/net/tun\x00', 0x129202, 0x0) ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000000)={'\x00', 0x9532}) io_submit(r0, 0x20000000000000d3, &(0x7f00000001c0)=[&(0x7f0000000040)={0x0, 0x0, 0x0, 0x800000000001, 0x0, r1, &(0x7f0000000200)="b114f58fcc91cd669e4e", 0x2000ff73, 0x200, 0x0, 0x2}]) syzkaller login: [ 68.060202][ T8590] IPVS: ftp: loaded support on port[0] = 21 08:25:59 executing program 2: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socket$inet6(0xa, 0x80003, 0x800000000000006) r2 = socket$netlink(0x10, 0x3, 0x4) sendmsg$nl_generic(r2, &(0x7f0000005000)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000280)=ANY=[@ANYBLOB="480000001500070400000000000000000aff0006667e279639a91d7b7f0080017daf4204a00b32eadc2828417f000001e3d8960f65b27ee8125f42360500000015739d53d5000016b2c06a87469dda0ddcf9b1b7fcbb50cc39aecada6f5099e113d0b417d4177d337dc5ceda689ab6d837c0df4c8607cf507006497c76bded0fc5bbfdfa38c10ef97970d94dc9ac98e87592945c2b0c98c8f1b09e4ffec60db362bcb946966491ecbcacdc8b4976f115fd4b13f30292749ac2e8b048824ad766abb4a7f000f793cd5f7a7e0272ed476e669264427f85018535a3fbc146cd66174c660ad5b28698c1bc"], 0x48}}, 0x0) [ 68.211689][ T8590] chnl_net:caif_netlink_parms(): no params data found [ 68.222578][ T8592] IPVS: ftp: loaded support on port[0] = 21 [ 68.349652][ T8590] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.356738][ T8590] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.379037][ T8590] device bridge_slave_0 entered promiscuous mode [ 68.396415][ T8595] IPVS: ftp: loaded support on port[0] = 21 [ 68.421827][ T8590] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.429213][ T8590] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.437048][ T8590] device bridge_slave_1 entered promiscuous mode [ 68.502895][ T8590] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 68.515410][ T8590] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:25:59 executing program 3: clone(0x47fd, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = gettid() pipe(&(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) write(r3, &(0x7f0000000000), 0x43578cf5) ptrace(0x4206, r2) tkill(r2, 0x9) wait4(r2, &(0x7f0000000000), 0x8, &(0x7f0000000200)) [ 68.552162][ T8592] chnl_net:caif_netlink_parms(): no params data found [ 68.562485][ T8590] team0: Port device team_slave_0 added [ 68.584436][ T8590] team0: Port device team_slave_1 added [ 68.691674][ T8592] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.699188][ T8592] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.707028][ T8592] device bridge_slave_0 entered promiscuous mode 08:25:59 executing program 4: r0 = syz_open_dev$cec(&(0x7f0000000040)='/dev/cec#\x00', 0xffffffffffffffff, 0x2) ioctl$sock_inet6_tcp_SIOCINQ(r0, 0xc0506107, &(0x7f0000000300)) [ 68.820714][ T8590] device hsr_slave_0 entered promiscuous mode [ 68.858731][ T8590] device hsr_slave_1 entered promiscuous mode [ 68.969709][ T8592] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.976775][ T8592] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.987422][ T8592] device bridge_slave_1 entered promiscuous mode [ 69.005208][ T8595] chnl_net:caif_netlink_parms(): no params data found [ 69.037093][ T8599] IPVS: ftp: loaded support on port[0] = 21 [ 69.075886][ T8601] IPVS: ftp: loaded support on port[0] = 21 08:26:00 executing program 5: unshare(0x2000400) r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) pipe2$9p(&(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}, 0x0) splice(r0, &(0x7f0000001280), r1, 0x0, 0x800000a, 0x0) [ 69.107064][ T8592] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.152234][ T8592] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.202862][ T8595] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.210247][ T8595] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.221290][ T8595] device bridge_slave_0 entered promiscuous mode [ 69.230501][ T8595] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.237551][ T8595] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.248071][ T8595] device bridge_slave_1 entered promiscuous mode [ 69.275387][ T8592] team0: Port device team_slave_0 added [ 69.313077][ T8592] team0: Port device team_slave_1 added [ 69.319966][ T8590] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 69.354192][ T8590] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 69.407548][ T8603] IPVS: ftp: loaded support on port[0] = 21 [ 69.433709][ T8595] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 69.443756][ T8590] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 69.510694][ T8590] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 69.590562][ T8592] device hsr_slave_0 entered promiscuous mode [ 69.618723][ T8592] device hsr_slave_1 entered promiscuous mode [ 69.658496][ T8592] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 69.666254][ T8592] Cannot create hsr debugfs directory [ 69.674110][ T8595] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.741504][ T8595] team0: Port device team_slave_0 added [ 69.754566][ T8599] chnl_net:caif_netlink_parms(): no params data found [ 69.786609][ T8595] team0: Port device team_slave_1 added [ 69.910050][ T8595] device hsr_slave_0 entered promiscuous mode [ 69.948588][ T8595] device hsr_slave_1 entered promiscuous mode [ 69.999284][ T8595] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.006867][ T8595] Cannot create hsr debugfs directory [ 70.032683][ T8599] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.040157][ T8599] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.047825][ T8599] device bridge_slave_0 entered promiscuous mode [ 70.056598][ T8601] chnl_net:caif_netlink_parms(): no params data found [ 70.086026][ T8592] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 70.140314][ T8599] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.147686][ T8599] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.155493][ T8599] device bridge_slave_1 entered promiscuous mode [ 70.189766][ T8592] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 70.234130][ T8592] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 70.284783][ T8592] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 70.360522][ T8599] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.413385][ T8599] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.422784][ T8601] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.429993][ T8601] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.437605][ T8601] device bridge_slave_0 entered promiscuous mode [ 70.448043][ T8601] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.455596][ T8601] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.463410][ T8601] device bridge_slave_1 entered promiscuous mode [ 70.523579][ T8601] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.536449][ T8595] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 70.573517][ T8595] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 70.622036][ T8599] team0: Port device team_slave_0 added [ 70.629045][ T8601] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.641648][ T8599] team0: Port device team_slave_1 added [ 70.660027][ T8603] chnl_net:caif_netlink_parms(): no params data found [ 70.669320][ T8595] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 70.743323][ T8590] 8021q: adding VLAN 0 to HW filter on device bond0 [ 70.756948][ T8595] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 70.802015][ T8601] team0: Port device team_slave_0 added [ 70.815846][ T8601] team0: Port device team_slave_1 added [ 70.850100][ T8599] device hsr_slave_0 entered promiscuous mode [ 70.898851][ T8599] device hsr_slave_1 entered promiscuous mode [ 70.958634][ T8599] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.966211][ T8599] Cannot create hsr debugfs directory [ 71.031268][ T8601] device hsr_slave_0 entered promiscuous mode [ 71.048901][ T8601] device hsr_slave_1 entered promiscuous mode [ 71.108531][ T8601] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.116415][ T8601] Cannot create hsr debugfs directory [ 71.177727][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.186118][ T2788] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.197212][ T8603] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.204714][ T8603] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.212455][ T8603] device bridge_slave_0 entered promiscuous mode [ 71.228023][ T8590] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.240893][ T8603] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.247963][ T8603] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.257393][ T8603] device bridge_slave_1 entered promiscuous mode [ 71.297981][ T8592] 8021q: adding VLAN 0 to HW filter on device bond0 [ 71.312638][ T8603] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.324990][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.333973][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.342502][ T3132] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.349770][ T3132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.357715][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.366520][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.375082][ T3132] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.382186][ T3132] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.392011][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 71.405078][ T8603] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.438425][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.466553][ T8603] team0: Port device team_slave_0 added [ 71.487321][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.503118][ T8592] 8021q: adding VLAN 0 to HW filter on device team0 [ 71.511117][ T8603] team0: Port device team_slave_1 added [ 71.532259][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.543273][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.552153][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 71.561388][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 71.569691][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.578122][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.587028][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 71.634243][ T8601] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 71.711083][ T8603] device hsr_slave_0 entered promiscuous mode [ 71.779115][ T8603] device hsr_slave_1 entered promiscuous mode [ 71.828473][ T8603] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 71.836090][ T8603] Cannot create hsr debugfs directory [ 71.842078][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 71.851413][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 71.859839][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.866930][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 71.874649][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 71.883322][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 71.891762][ T2771] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.898966][ T2771] bridge0: port 2(bridge_slave_1) entered forwarding state [ 71.906468][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 71.915094][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 71.923607][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 71.933104][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 71.941440][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 71.950155][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 71.958699][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.967212][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.975489][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 71.983772][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 71.992108][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.000415][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.008771][ T8599] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 72.043833][ T8592] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.054968][ T8592] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.064378][ T8601] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 72.100050][ T8601] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 72.140142][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.147964][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.156064][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.164691][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.181703][ T8595] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.188658][ T8599] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 72.210661][ T8599] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 72.259177][ T8601] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 72.295580][ T8590] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.303834][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.311617][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.333654][ T8599] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 72.411050][ T8595] 8021q: adding VLAN 0 to HW filter on device team0 [ 72.423074][ T8592] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.442162][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 72.449887][ T2829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 72.491418][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 72.500705][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 72.509474][ T3132] bridge0: port 1(bridge_slave_0) entered blocking state [ 72.516540][ T3132] bridge0: port 1(bridge_slave_0) entered forwarding state [ 72.524347][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 72.533217][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 72.541620][ T3132] bridge0: port 2(bridge_slave_1) entered blocking state [ 72.548703][ T3132] bridge0: port 2(bridge_slave_1) entered forwarding state [ 72.556241][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 72.565322][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 72.600896][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 72.611295][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.619233][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.626621][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 72.635675][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 72.644607][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 72.653241][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 72.661754][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.671112][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.680373][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 72.688836][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 72.697018][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 72.707513][ T8590] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 72.724289][ T8595] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 72.736548][ T8595] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 72.756498][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 72.767158][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 72.832563][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.841321][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.850891][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 72.860776][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 72.884881][ T8599] 8021q: adding VLAN 0 to HW filter on device bond0 [ 72.903693][ T8592] device veth0_vlan entered promiscuous mode [ 72.911196][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 72.920681][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 72.929528][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 72.936969][ T3132] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 72.948525][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 72.956715][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 72.968863][ T8603] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 73.013585][ T8603] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 73.061525][ T8603] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 73.111273][ T8603] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 73.152089][ T8595] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 73.159394][ T8590] device veth0_vlan entered promiscuous mode [ 73.165944][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 73.173956][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 73.185656][ T8601] 8021q: adding VLAN 0 to HW filter on device bond0 [ 73.197851][ T8592] device veth1_vlan entered promiscuous mode [ 73.235380][ T8599] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.247711][ T8590] device veth1_vlan entered promiscuous mode [ 73.264137][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.274231][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.283866][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 73.292334][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.300464][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.308005][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 73.315932][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 73.338060][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 73.346851][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 73.357610][ T2771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 73.366734][ T2771] bridge0: port 1(bridge_slave_0) entered blocking state [ 73.373879][ T2771] bridge0: port 1(bridge_slave_0) entered forwarding state [ 73.385668][ T8601] 8021q: adding VLAN 0 to HW filter on device team0 [ 73.402490][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 73.411883][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 73.420584][ T2676] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 73.464943][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 73.483702][ T2764] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 73.525768][ T2764] bridge0: port 2(bridge_slave_1) entered blocking state [ 73.532911][ T2764] bridge0: port 2(bridge_slave_1) entered forwarding state [ 178.518271][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 178.525153][ C1] rcu: 1-...!: (10499 ticks this GP) idle=75a/1/0x4000000000000002 softirq=14226/14226 fqs=1 [ 178.535750][ C1] (t=10500 jiffies g=6953 q=100) [ 178.540765][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6953 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 178.551963][ C1] rcu: RCU grace-period kthread stack dump: [ 178.557851][ C1] rcu_preempt R running task 28984 10 2 0x80004000 [ 178.565762][ C1] Call Trace: [ 178.569058][ C1] __schedule+0x9a0/0xcc0 [ 178.573406][ C1] schedule+0x181/0x210 [ 178.577574][ C1] schedule_timeout+0x14f/0x240 [ 178.582417][ C1] ? run_local_timers+0x120/0x120 [ 178.587438][ C1] rcu_gp_kthread+0xed8/0x1770 [ 178.592206][ C1] kthread+0x332/0x350 [ 178.596267][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 178.601371][ C1] ? kthread_blkcg+0xe0/0xe0 [ 178.605961][ C1] ret_from_fork+0x24/0x30 [ 178.610378][ C1] NMI backtrace for cpu 1 [ 178.614701][ C1] CPU: 1 PID: 8609 Comm: syz-executor.1 Not tainted 5.5.0-rc5-syzkaller #0 [ 178.623263][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 178.633304][ C1] Call Trace: [ 178.636575][ C1] [ 178.639422][ C1] dump_stack+0x1fb/0x318 [ 178.643745][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 178.648844][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 178.654984][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 178.661037][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 178.667003][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 178.672887][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 178.678011][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 178.683310][ C1] ? trace_hardirqs_off+0x74/0x80 [ 178.688331][ C1] update_process_times+0x12d/0x180 [ 178.693526][ C1] tick_sched_timer+0x263/0x420 [ 178.698369][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 178.703903][ C1] __hrtimer_run_queues+0x403/0x840 [ 178.709101][ C1] hrtimer_interrupt+0x38c/0xda0 [ 178.714043][ C1] ? debug_smp_processor_id+0x9/0x20 [ 178.719337][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 178.724947][ C1] apic_timer_interrupt+0xf/0x20 [ 178.729872][ C1] [ 178.732808][ C1] RIP: 0010:__memcg_kmem_uncharge+0x10/0x1a0 [ 178.738949][ C1] Code: 02 00 00 48 89 df 4c 89 f6 e8 8c 85 ff ff 5b 41 5e 5d c3 0f 1f 80 00 00 00 00 55 48 89 e5 41 57 41 56 41 55 41 54 53 50 89 f3 <49> 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 [ 178.758677][ C1] RSP: 0018:ffffc90002667490 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 178.767091][ C1] RAX: ffffffff81489244 RBX: 0000000000000000 RCX: ffff88808bfd6100 [ 178.775051][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000291bf80 [ 178.783027][ C1] RBP: ffffc900026674c0 R08: 000000000003a728 R09: fffffbfff124248a [ 178.790986][ C1] R10: fffffbfff124248a R11: 0000000000000000 R12: ffff88808f95a7a0 [ 178.798950][ C1] R13: dffffc0000000000 R14: 1ffff11011f2b4f4 R15: ffff8880971996b8 [ 178.806925][ C1] ? free_thread_stack+0x124/0x590 [ 178.812037][ C1] ? free_thread_stack+0x124/0x590 [ 178.817135][ C1] free_thread_stack+0x12e/0x590 [ 178.822067][ C1] put_task_stack+0xa3/0x130 [ 178.826650][ C1] finish_task_switch+0x3f1/0x550 [ 178.831672][ C1] __schedule+0x9a8/0xcc0 [ 178.836084][ C1] ? ___preempt_schedule_notrace+0x16/0x27 [ 178.841876][ C1] preempt_schedule_notrace+0xdb/0x120 [ 178.847322][ C1] ___preempt_schedule_notrace+0x16/0x27 [ 178.852946][ C1] ? rcu_is_watching+0x57/0xa0 [ 178.857696][ C1] rcu_is_watching+0x82/0xa0 [ 178.862279][ C1] memcg_kmem_get_cache+0x2e8/0x570 [ 178.867460][ C1] ? __should_failslab+0x11a/0x160 [ 178.872560][ C1] ? proc_alloc_inode+0x1f/0xe0 [ 178.877402][ C1] kmem_cache_alloc+0x86/0x2e0 [ 178.882151][ C1] ? init_once+0x20/0x20 [ 178.886393][ C1] proc_alloc_inode+0x1f/0xe0 [ 178.891055][ C1] ? init_once+0x20/0x20 [ 178.895283][ C1] new_inode_pseudo+0x68/0x240 [ 178.900034][ C1] new_inode+0x28/0x1c0 [ 178.904299][ C1] proc_pid_make_inode+0x27/0x1d0 [ 178.909321][ C1] proc_pid_instantiate+0x4f/0x1a0 [ 178.914475][ C1] proc_pid_lookup+0x21f/0x300 [ 178.919265][ C1] proc_root_lookup+0x22/0x50 [ 178.923944][ C1] __lookup_slow+0x285/0x380 [ 178.928540][ C1] walk_component+0x2d2/0x5f0 [ 178.933218][ C1] ? inode_permission+0xe0/0x520 [ 178.938151][ C1] link_path_walk+0x75b/0x1410 [ 178.942922][ C1] path_openat+0x139/0x4240 [ 178.947440][ C1] ? __kasan_kmalloc+0x178/0x1b0 [ 178.952373][ C1] ? rcu_read_lock_sched_held+0x10b/0x170 [ 178.958105][ C1] do_filp_open+0x192/0x3d0 [ 178.962606][ C1] ? noop_direct_IO+0x20/0x20 [ 178.967292][ C1] do_sys_open+0x29f/0x560 [ 178.971705][ C1] __x64_sys_open+0x87/0x90 [ 178.976199][ C1] do_syscall_64+0xf7/0x1c0 [ 178.980711][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 178.986593][ C1] RIP: 0033:0x414cc0 [ 178.990666][ C1] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d ad 37 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 179.010260][ C1] RSP: 002b:00007fff9dc38898 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 179.018661][ C1] RAX: ffffffffffffffda RBX: 00007fff9dc388c4 RCX: 0000000000414cc0 [ 179.026969][ C1] RDX: 00007fff9dc388ca RSI: 0000000000080001 RDI: 00000000004c0a49 [ 179.034931][ C1] RBP: 00007fff9dc388c0 R08: 0000000000000000 R09: 0000000000000004 [ 179.042908][ C1] R10: 0000000000000075 R11: 0000000000000246 R12: 00000000004c0a49 [ 179.050886][ C1] R13: 00007fff9dc38de0 R14: 0000000000000000 R15: 00007fff9dc38df0