[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.544267][ T23] audit: type=1800 audit(1575427287.625:25): pid=7951 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 42.570677][ T23] audit: type=1800 audit(1575427287.625:26): pid=7951 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.617538][ T23] audit: type=1800 audit(1575427287.635:27): pid=7951 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 '10.128.0.59' (ECDSA) to the list of known hosts. 2019/12/04 02:41:38 fuzzer started 2019/12/04 02:41:40 dialing manager at 10.128.0.26:42111 2019/12/04 02:41:40 syscalls: 2689 2019/12/04 02:41:40 code coverage: enabled 2019/12/04 02:41:40 comparison tracing: enabled 2019/12/04 02:41:40 extra coverage: extra coverage is not supported by the kernel 2019/12/04 02:41:40 setuid sandbox: enabled 2019/12/04 02:41:40 namespace sandbox: enabled 2019/12/04 02:41:40 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 02:41:40 fault injection: enabled 2019/12/04 02:41:40 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 02:41:40 net packet injection: enabled 2019/12/04 02:41:40 net device setup: enabled 2019/12/04 02:41:40 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 02:41:40 devlink PCI setup: PCI device 0000:00:10.0 is not available 02:41:41 executing program 0: r0 = syz_open_dev$sndpcmc(&(0x7f0000000240)='/dev/snd/pcmC#D#c\x00', 0x0, 0x0) ioctl(r0, 0x40044160, 0x0) 02:41:41 executing program 1: r0 = socket$alg(0x26, 0x5, 0x0) bind$alg(r0, &(0x7f00000000c0)={0x26, 'skcipher\x00', 0x0, 0x0, 'cbc-twofish-3way\x00'}, 0x58) setsockopt$ALG_SET_KEY(r0, 0x117, 0x1, &(0x7f0000000080)="ab553fec94248c32e27d04000000288a", 0x10) r1 = socket$unix(0x1, 0x1, 0x0) r2 = socket$unix(0x1, 0x1, 0x0) r3 = dup2(r2, r1) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = accept$alg(r0, 0x0, 0x0) write$binfmt_script(r4, &(0x7f0000000600)=ANY=[], 0xfec8) recvmmsg(r4, &(0x7f0000008dc0)=[{{0x0, 0x26b, &(0x7f0000000880)=[{&(0x7f0000000140)=""/193, 0x8d}, {&(0x7f00000019c0)=""/4096, 0x1000}], 0x2}}], 0x40000000000019d, 0x0, 0x0) syzkaller login: [ 56.819016][ T8114] IPVS: ftp: loaded support on port[0] = 21 [ 56.901448][ T8116] IPVS: ftp: loaded support on port[0] = 21 02:41:42 executing program 2: r0 = socket$inet6(0xa, 0x80003, 0xff) ioctl(r0, 0x1000008912, &(0x7f0000000080)="0800b5055e0bcfe87b2071") bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x12, 0x4, &(0x7f0000000000)=@framed={{}, [@call={0x7b, 0x11, 0x30}]}, &(0x7f00000000c0)='GPL\x00', 0x4, 0x1000, &(0x7f0000000200)=""/4096, 0x0, 0x0, [], 0x0, 0xf, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) [ 57.056003][ T8114] chnl_net:caif_netlink_parms(): no params data found [ 57.148325][ T8120] IPVS: ftp: loaded support on port[0] = 21 [ 57.178671][ T8116] chnl_net:caif_netlink_parms(): no params data found [ 57.197585][ T8114] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.206785][ T8114] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.217068][ T8114] device bridge_slave_0 entered promiscuous mode 02:41:42 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f0000001940)=[{{0x0, 0x0, &(0x7f00000003c0)=[{0x0}], 0x1, 0x0, 0xffffff96}}], 0x1, 0x0, 0x0) r1 = openat$cgroup_subtree(r0, &(0x7f0000000040)='cgroup.subtree_control\x00', 0x2, 0x0) writev(r1, &(0x7f00000000c0), 0x20000000000001d2) add_key$user(0x0, 0x0, &(0x7f00000001c0), 0x0, 0x0) getsockopt$SO_TIMESTAMPING(0xffffffffffffffff, 0x1, 0x0, &(0x7f0000000080), 0x0) [ 57.245659][ T8114] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.255377][ T8114] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.273820][ T8114] device bridge_slave_1 entered promiscuous mode [ 57.336782][ T8116] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.346295][ T8116] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.356297][ T8116] device bridge_slave_0 entered promiscuous mode [ 57.383859][ T8116] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.393180][ T8116] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.401621][ T8116] device bridge_slave_1 entered promiscuous mode [ 57.411135][ T8114] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 02:41:42 executing program 4: r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x26e1, 0x0) sendmsg$kcm(0xffffffffffffffff, 0x0, 0x0) openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) openat$cgroup_int(0xffffffffffffffff, &(0x7f00000001c0)='cpu.weight.nice\x00', 0x2, 0x0) openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x7dea, 0x0, 0x0, 0x0, 0x0, 0x0, 0x8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$PERF_EVENT_IOC_PAUSE_OUTPUT(r0, 0x40086602, 0x400007) r1 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000140)='memory.events\x00', 0x7a05, 0x1700) write$cgroup_subtree(r0, &(0x7f0000000040)=ANY=[@ANYPTR64], 0xff39) write$cgroup_pid(r1, &(0x7f0000000000), 0x10000000d) ioctl$TUNSETFILTEREBPF(r1, 0x6609, 0x0) [ 57.476726][ T8114] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.497526][ T8116] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.536704][ T8116] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.553959][ T8124] IPVS: ftp: loaded support on port[0] = 21 [ 57.576291][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 57.627988][ T8114] team0: Port device team_slave_0 added [ 57.668560][ T8114] team0: Port device team_slave_1 added [ 57.702570][ T8116] team0: Port device team_slave_0 added [ 57.723899][ T8126] IPVS: ftp: loaded support on port[0] = 21 02:41:42 executing program 5: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000400)='./file0\x00', 0x0) mount$overlay(0x40042c, &(0x7f0000000000)='./bus\x00', &(0x7f0000000100)='overlay\x00', 0x0, &(0x7f0000000280)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './bus'}}, {@workdir={'workdir', 0x3d, './file0'}}, {@nfs_export_on='nfs_export=on'}, {@metacopy_on='metacopy=on'}]}) [ 57.824246][ T8114] device hsr_slave_0 entered promiscuous mode [ 57.873353][ T8114] device hsr_slave_1 entered promiscuous mode [ 57.959009][ T8116] team0: Port device team_slave_1 added [ 57.985019][ T8128] IPVS: ftp: loaded support on port[0] = 21 [ 57.992796][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.999968][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.007662][ T8120] device bridge_slave_0 entered promiscuous mode [ 58.016595][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.024141][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.032860][ T8120] device bridge_slave_1 entered promiscuous mode [ 58.057218][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.069366][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.143349][ T8116] device hsr_slave_0 entered promiscuous mode [ 58.180994][ T8116] device hsr_slave_1 entered promiscuous mode [ 58.230976][ T8116] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.274840][ T8120] team0: Port device team_slave_0 added [ 58.305899][ T8120] team0: Port device team_slave_1 added [ 58.312028][ T8114] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 58.364605][ T8114] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 58.424211][ T8114] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 58.502319][ T8114] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 58.535958][ T8116] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 58.653146][ T8120] device hsr_slave_0 entered promiscuous mode [ 58.690905][ T8120] device hsr_slave_1 entered promiscuous mode [ 58.740641][ T8120] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.783532][ T8116] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 58.832133][ T8116] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 58.883496][ T8116] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 58.957745][ T8124] chnl_net:caif_netlink_parms(): no params data found [ 58.979273][ T8126] chnl_net:caif_netlink_parms(): no params data found [ 59.068545][ T8120] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.115720][ T8120] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.178420][ T8124] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.185993][ T8124] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.194037][ T8124] device bridge_slave_0 entered promiscuous mode [ 59.202448][ T8124] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.209503][ T8124] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.217742][ T8124] device bridge_slave_1 entered promiscuous mode [ 59.236969][ T8120] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.283122][ T8128] chnl_net:caif_netlink_parms(): no params data found [ 59.301691][ T8124] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.312451][ T8126] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.319586][ T8126] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.328161][ T8126] device bridge_slave_0 entered promiscuous mode [ 59.336514][ T8120] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.399459][ T8128] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.409131][ T8128] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.416948][ T8128] device bridge_slave_0 entered promiscuous mode [ 59.425481][ T8124] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.434972][ T8126] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.442324][ T8126] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.449900][ T8126] device bridge_slave_1 entered promiscuous mode [ 59.465276][ T8128] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.475242][ T8128] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.483041][ T8128] device bridge_slave_1 entered promiscuous mode [ 59.528455][ T8128] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.542561][ T8124] team0: Port device team_slave_0 added [ 59.549791][ T8124] team0: Port device team_slave_1 added [ 59.558848][ T8126] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.574117][ T8116] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.582099][ T8128] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.615600][ T8126] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.682303][ T8124] device hsr_slave_0 entered promiscuous mode [ 59.722318][ T8124] device hsr_slave_1 entered promiscuous mode [ 59.760592][ T8124] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.777042][ T8128] team0: Port device team_slave_0 added [ 59.785102][ T8128] team0: Port device team_slave_1 added [ 59.807404][ T8116] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.821491][ T8126] team0: Port device team_slave_0 added [ 59.829598][ T8126] team0: Port device team_slave_1 added [ 59.873304][ T8128] device hsr_slave_0 entered promiscuous mode [ 59.900894][ T8128] device hsr_slave_1 entered promiscuous mode [ 59.950954][ T8128] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.965848][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.974499][ T2725] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.985533][ T8114] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.033579][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.042646][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.052134][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.059277][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.067255][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.075752][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.096211][ T8124] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 60.213625][ T8126] device hsr_slave_0 entered promiscuous mode [ 60.270961][ T8126] device hsr_slave_1 entered promiscuous mode [ 60.310629][ T8126] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.330266][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.338816][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.351971][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.360232][ T2949] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.368189][ T2949] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.376466][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.385336][ T8124] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 60.444301][ T8114] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.455381][ T8120] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.480135][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.490812][ T8124] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 60.512708][ T8124] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 60.554147][ T8128] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 60.628176][ T8128] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 60.673016][ T8126] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 60.701740][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.710321][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.720374][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.727887][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.735742][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.744285][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.753166][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.761668][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.781025][ T8120] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.798013][ T8116] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.808761][ T8116] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.822389][ T8128] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 60.861800][ T8126] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 60.912598][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.920906][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.928848][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.937548][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.946172][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.953330][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.961260][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.969894][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.978554][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.986724][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.994652][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.003316][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.011944][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.020159][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.029041][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.037370][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.052188][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.059902][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.067821][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.076450][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.084919][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.093518][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.101852][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.108890][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.116524][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.124874][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.134715][ T8128] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 61.173497][ T8126] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.234461][ T8126] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.289673][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.297697][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.306680][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.315220][ T8132] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.322299][ T8132] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.343740][ T8114] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.355460][ T8114] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.388478][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.399954][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.411194][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.419397][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.427606][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.436073][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.444581][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.452050][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.459793][ T8132] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.499355][ T8116] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.526711][ T8120] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 61.537574][ T8120] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.564562][ T8114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.585865][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.594978][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.603532][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.612920][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.621680][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.629092][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.636764][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.645448][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.655642][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.675729][ T8120] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 61.690710][ T8124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.699428][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 61.707586][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 61.738697][ T8124] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.760616][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.772515][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.780292][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.790398][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.799197][ T2949] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.806323][ T2949] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.823432][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.836882][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.847174][ T2949] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.854262][ T2949] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.872438][ T8128] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.884778][ T2949] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 166.840448][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 166.847233][ C0] rcu: 0-...!: (10499 ticks this GP) idle=142/1/0x4000000000000002 softirq=10267/10267 fqs=3 [ 166.857727][ C0] (t=10500 jiffies g=6485 q=67) [ 166.862677][ C0] rcu: rcu_preempt kthread starved for 10494 jiffies! g6485 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 166.873766][ C0] rcu: RCU grace-period kthread stack dump: [ 166.879690][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 166.887588][ C0] Call Trace: [ 166.890874][ C0] __schedule+0x9a0/0xcc0 [ 166.895220][ C0] schedule+0x181/0x210 [ 166.899370][ C0] schedule_timeout+0x14f/0x240 [ 166.904309][ C0] ? run_local_timers+0x120/0x120 [ 166.909331][ C0] rcu_gp_kthread+0xed8/0x1770 [ 166.914094][ C0] kthread+0x332/0x350 [ 166.918165][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 166.923279][ C0] ? kthread_blkcg+0xe0/0xe0 [ 166.927881][ C0] ret_from_fork+0x24/0x30 [ 166.932306][ C0] NMI backtrace for cpu 0 [ 166.936626][ C0] CPU: 0 PID: 8135 Comm: blkid Not tainted 5.4.0-syzkaller #0 [ 166.944072][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 166.954114][ C0] Call Trace: [ 166.957411][ C0] [ 166.960260][ C0] dump_stack+0x1fb/0x318 [ 166.964614][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 166.969448][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 166.975594][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 166.981648][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 166.987628][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 166.993515][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 166.998631][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.003827][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.008851][ C0] update_process_times+0x12d/0x180 [ 167.014046][ C0] tick_sched_timer+0x263/0x420 [ 167.018890][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.024433][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.029648][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.034606][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.039888][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.045430][ C0] apic_timer_interrupt+0xf/0x20 [ 167.050352][ C0] [ 167.053283][ C0] RIP: 0010:__memcg_kmem_uncharge+0x0/0x2e0 [ 167.059165][ C0] Code: 00 eb 1b 83 3d 80 ce 8c 07 00 74 12 48 81 c3 08 02 00 00 48 89 df 4c 89 f6 e8 dc 7d 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 [ 167.079018][ C0] RSP: 0018:ffffc90001fc7670 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 167.087442][ C0] RAX: ffffffff81486ea4 RBX: ffffea000238b6c0 RCX: ffff888098e78280 [ 167.095413][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea000238b6c0 [ 167.103462][ C0] RBP: ffffc90001fc76b0 R08: 000000000003a768 R09: ffffed10150e074f [ 167.111423][ C0] R10: ffffed10150e074f R11: 0000000000000000 R12: ffff8880a6c8cc20 [ 167.119387][ C0] R13: dffffc0000000000 R14: 1ffff11014d91984 R15: ffff8880a8703a68 [ 167.127388][ C0] ? free_thread_stack+0x124/0x590 [ 167.132512][ C0] ? free_thread_stack+0x12e/0x590 [ 167.137620][ C0] put_task_stack+0xa3/0x130 [ 167.142200][ C0] finish_task_switch+0x3f1/0x550 [ 167.147246][ C0] __schedule+0x9a8/0xcc0 [ 167.151595][ C0] preempt_schedule_irq+0xc1/0x140 [ 167.156705][ C0] retint_kernel+0x1b/0x2b [ 167.161727][ C0] RIP: 0010:memset_erms+0xb/0x10 [ 167.166825][ C0] Code: 03 40 0f b6 f6 48 b8 01 01 01 01 01 01 01 01 48 0f af c6 f3 48 ab 89 d1 f3 aa 4c 89 c8 c3 90 49 89 f9 40 88 f0 48 89 d1 f3 aa <4c> 89 c8 c3 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 [ 167.186429][ C0] RSP: 0018:ffffc90001fc78c0 EFLAGS: 00000256 ORIG_RAX: ffffffffffffff02 [ 167.194854][ C0] RAX: 1ffff110131cf100 RBX: ffffc90001fc79e0 RCX: 0000000000000000 [ 167.202821][ C0] RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90001fc79f0 [ 167.210779][ C0] RBP: ffffc90001fc78e0 R08: dffffc0000000000 R09: ffffc90001fc79e0 [ 167.218740][ C0] R10: fffff520003f8f3e R11: 0000000000000000 R12: 1ffff11015056add [ 167.226848][ C0] R13: dffffc0000000000 R14: 0000000000000000 R15: 0000000000000010 [ 167.234845][ C0] ? memset+0x31/0x40 [ 167.238823][ C0] zap_pte_range+0x1a7f/0x1c30 [ 167.243776][ C0] unmap_page_range+0x9b5/0xb00 [ 167.248625][ C0] unmap_single_vma+0x1d4/0x2e0 [ 167.253486][ C0] unmap_vmas+0x163/0x2a0 [ 167.257841][ C0] exit_mmap+0x27b/0x530 [ 167.262075][ C0] ? exit_aio+0x25e/0x370 [ 167.266407][ C0] __mmput+0x120/0x3a0 [ 167.270464][ C0] mmput+0x5d/0x70 [ 167.274179][ C0] exit_mm+0x50a/0x590 [ 167.278248][ C0] do_exit+0x544/0x2020 [ 167.282396][ C0] ? check_preemption_disabled+0xb4/0x260 [ 167.288140][ C0] do_group_exit+0x15c/0x2b0 [ 167.292733][ C0] __do_sys_exit_group+0x17/0x20 [ 167.297676][ C0] __se_sys_exit_group+0x14/0x20 [ 167.302606][ C0] __x64_sys_exit_group+0x3b/0x40 [ 167.307619][ C0] do_syscall_64+0xf7/0x1c0 [ 167.312136][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 167.318038][ C0] RIP: 0033:0x7f67686b81e8 [ 167.322468][ C0] Code: Bad RIP value. [ 167.326606][ C0] RSP: 002b:00007ffc441137e8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 167.335073][ C0] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f67686b81e8 [ 167.343046][ C0] RDX: 0000000000000002 RSI: 000000000000003c RDI: 0000000000000002 [ 167.351005][ C0] RBP: 00007f676898d840 R08: 00000000000000e7 R09: ffffffffffffffa8 [ 167.358965][ C0] R10: 00007f6768993740 R11: 0000000000000246 R12: 00007f676898d840 [ 167.366925][ C0] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000