[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 57.126263][ T26] audit: type=1800 audit(1572932046.492:25): pid=8667 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 57.152828][ T26] audit: type=1800 audit(1572932046.492:26): pid=8667 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 57.195244][ T26] audit: type=1800 audit(1572932046.502:27): pid=8667 uid=0 auid=4294967295 ses=4294967295 subj==unconfined 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 '10.128.0.231' (ECDSA) to the list of known hosts. 2019/11/05 05:34:16 fuzzer started 2019/11/05 05:34:18 dialing manager at 10.128.0.26:42879 2019/11/05 05:34:18 syscalls: 2566 2019/11/05 05:34:18 code coverage: enabled 2019/11/05 05:34:18 comparison tracing: enabled 2019/11/05 05:34:18 extra coverage: extra coverage is not supported by the kernel 2019/11/05 05:34:18 setuid sandbox: enabled 2019/11/05 05:34:18 namespace sandbox: enabled 2019/11/05 05:34:18 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/05 05:34:18 fault injection: enabled 2019/11/05 05:34:18 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/05 05:34:18 net packet injection: enabled 2019/11/05 05:34:18 net device setup: enabled 2019/11/05 05:34:18 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/11/05 05:34:18 devlink PCI setup: PCI device 0000:00:10.0 is not available 05:36:25 executing program 0: 05:36:25 executing program 1: syzkaller login: [ 196.525943][ T8833] IPVS: ftp: loaded support on port[0] = 21 [ 196.640999][ T8835] IPVS: ftp: loaded support on port[0] = 21 05:36:26 executing program 2: [ 196.726119][ T8833] chnl_net:caif_netlink_parms(): no params data found [ 196.861093][ T8833] bridge0: port 1(bridge_slave_0) entered blocking state [ 196.882927][ T8833] bridge0: port 1(bridge_slave_0) entered disabled state [ 196.891239][ T8833] device bridge_slave_0 entered promiscuous mode [ 196.915095][ T8833] bridge0: port 2(bridge_slave_1) entered blocking state [ 196.922228][ T8833] bridge0: port 2(bridge_slave_1) entered disabled state [ 196.943444][ T8833] device bridge_slave_1 entered promiscuous mode 05:36:26 executing program 3: r0 = socket$packet(0x11, 0x3, 0x300) setsockopt$packet_tx_ring(r0, 0x107, 0xd, &(0x7f0000000040)=@req3={0x10000, 0x100000001, 0x10000, 0x1}, 0x1c) ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000080)={'bridge_slave_1\x00', 0x0}) bind$packet(r0, &(0x7f0000000140)={0x11, 0x0, r1, 0x1, 0x0, 0x6, @remote}, 0x14) sendmmsg(r0, &(0x7f0000008a80), 0x400000000000328, 0x0) [ 196.969825][ T8833] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 196.980495][ T8835] chnl_net:caif_netlink_parms(): no params data found [ 197.000730][ T8833] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 197.032735][ T8840] IPVS: ftp: loaded support on port[0] = 21 [ 197.082460][ T8833] team0: Port device team_slave_0 added [ 197.114686][ T8833] team0: Port device team_slave_1 added [ 197.133450][ T8835] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.140591][ T8835] bridge0: port 1(bridge_slave_0) entered disabled state [ 197.153838][ T8835] device bridge_slave_0 entered promiscuous mode [ 197.173759][ T8835] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.180851][ T8835] bridge0: port 2(bridge_slave_1) entered disabled state [ 197.198563][ T8835] device bridge_slave_1 entered promiscuous mode 05:36:26 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x1, 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, 0x0, 0xffffffffffffffff, 0x0) clone(0x3000000a2162101, 0x0, 0x0, 0x0, 0x0) [ 197.276100][ T8833] device hsr_slave_0 entered promiscuous mode [ 197.325128][ T8833] device hsr_slave_1 entered promiscuous mode [ 197.376003][ T8835] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 197.404366][ T8835] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 197.430883][ T8842] IPVS: ftp: loaded support on port[0] = 21 [ 197.495762][ T8835] team0: Port device team_slave_0 added [ 197.536689][ T8844] IPVS: ftp: loaded support on port[0] = 21 [ 197.544612][ T8835] team0: Port device team_slave_1 added 05:36:27 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) openat$proc_capi20ncci(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = socket$kcm(0x10, 0x800000000002, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000600)={0x0, 0x0, 0x0}, &(0x7f0000000640)=0xc) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000700)={[{@gid={'gid', 0x3d, r3}}]}) [ 197.670696][ T8840] chnl_net:caif_netlink_parms(): no params data found [ 197.715089][ T8835] device hsr_slave_0 entered promiscuous mode [ 197.753175][ T8835] device hsr_slave_1 entered promiscuous mode [ 197.793942][ T8835] debugfs: Directory 'hsr0' with parent '/' already present! [ 197.857134][ T8840] bridge0: port 1(bridge_slave_0) entered blocking state [ 197.865163][ T8840] bridge0: port 1(bridge_slave_0) entered disabled state [ 197.873928][ T8840] device bridge_slave_0 entered promiscuous mode [ 197.899276][ T8847] IPVS: ftp: loaded support on port[0] = 21 [ 197.914903][ T8840] bridge0: port 2(bridge_slave_1) entered blocking state [ 197.921957][ T8840] bridge0: port 2(bridge_slave_1) entered disabled state [ 197.930367][ T8840] device bridge_slave_1 entered promiscuous mode [ 197.997028][ T8840] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 198.039105][ T8840] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 198.082544][ T8844] chnl_net:caif_netlink_parms(): no params data found [ 198.094235][ T8840] team0: Port device team_slave_0 added [ 198.103447][ T8840] team0: Port device team_slave_1 added [ 198.111678][ T8842] chnl_net:caif_netlink_parms(): no params data found [ 198.162128][ T8844] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.170522][ T8844] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.180490][ T8844] device bridge_slave_0 entered promiscuous mode [ 198.188543][ T8844] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.196699][ T8844] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.204454][ T8844] device bridge_slave_1 entered promiscuous mode [ 198.259648][ T8842] bridge0: port 1(bridge_slave_0) entered blocking state [ 198.266869][ T8842] bridge0: port 1(bridge_slave_0) entered disabled state [ 198.277346][ T8842] device bridge_slave_0 entered promiscuous mode [ 198.335982][ T8840] device hsr_slave_0 entered promiscuous mode [ 198.403433][ T8840] device hsr_slave_1 entered promiscuous mode [ 198.452977][ T8840] debugfs: Directory 'hsr0' with parent '/' already present! [ 198.468753][ T8844] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 198.482573][ T8842] bridge0: port 2(bridge_slave_1) entered blocking state [ 198.489983][ T8842] bridge0: port 2(bridge_slave_1) entered disabled state [ 198.497936][ T8842] device bridge_slave_1 entered promiscuous mode [ 198.512188][ T8844] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 198.546245][ T8842] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 198.561972][ T8842] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 198.610050][ T8844] team0: Port device team_slave_0 added [ 198.618345][ T8844] team0: Port device team_slave_1 added [ 198.689473][ T8842] team0: Port device team_slave_0 added [ 198.701328][ T8842] team0: Port device team_slave_1 added [ 198.710013][ T8833] 8021q: adding VLAN 0 to HW filter on device bond0 [ 198.756234][ T8844] device hsr_slave_0 entered promiscuous mode [ 198.793467][ T8844] device hsr_slave_1 entered promiscuous mode [ 198.852994][ T8844] debugfs: Directory 'hsr0' with parent '/' already present! [ 198.897388][ T8847] chnl_net:caif_netlink_parms(): no params data found [ 198.914346][ T8833] 8021q: adding VLAN 0 to HW filter on device team0 [ 198.925323][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 198.934767][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 198.944924][ T8835] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.005973][ T8842] device hsr_slave_0 entered promiscuous mode [ 199.033445][ T8842] device hsr_slave_1 entered promiscuous mode [ 199.072929][ T8842] debugfs: Directory 'hsr0' with parent '/' already present! [ 199.094994][ T8847] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.102136][ T8847] bridge0: port 1(bridge_slave_0) entered disabled state [ 199.110899][ T8847] device bridge_slave_0 entered promiscuous mode [ 199.121386][ T8847] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.128883][ T8847] bridge0: port 2(bridge_slave_1) entered disabled state [ 199.136960][ T8847] device bridge_slave_1 entered promiscuous mode [ 199.160543][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 199.172823][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 199.181216][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.188457][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 199.224580][ T8835] 8021q: adding VLAN 0 to HW filter on device team0 [ 199.245559][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 199.254467][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 199.263131][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 199.271442][ T8848] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.278524][ T8848] bridge0: port 2(bridge_slave_1) entered forwarding state [ 199.288210][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 199.296989][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 199.305979][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 199.313748][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.331559][ T8840] 8021q: adding VLAN 0 to HW filter on device bond0 [ 199.340777][ T8847] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 199.372372][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 199.381950][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 199.390560][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 199.401239][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 199.409913][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 199.418440][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 199.427057][ T8839] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.434149][ T8839] bridge0: port 1(bridge_slave_0) entered forwarding state [ 199.441753][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 199.450362][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 199.458694][ T8839] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.465787][ T8839] bridge0: port 2(bridge_slave_1) entered forwarding state [ 199.473486][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 199.481915][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 199.490526][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 199.498963][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 199.507339][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 199.515939][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 199.529684][ T8847] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 199.550031][ T8847] team0: Port device team_slave_0 added [ 199.574404][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 199.587117][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 199.597749][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 199.606130][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 199.614994][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 199.623633][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 199.631880][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.641507][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 199.650067][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 199.660266][ T8847] team0: Port device team_slave_1 added [ 199.680210][ T8840] 8021q: adding VLAN 0 to HW filter on device team0 [ 199.693454][ T8833] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 199.705289][ T8835] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 199.718289][ T8835] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 199.732097][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 199.740164][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 199.748224][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 199.757225][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 199.816297][ T8847] device hsr_slave_0 entered promiscuous mode [ 199.883696][ T8847] device hsr_slave_1 entered promiscuous mode [ 199.912929][ T8847] debugfs: Directory 'hsr0' with parent '/' already present! [ 199.929406][ T8833] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 199.937397][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 199.946135][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 199.954979][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 199.962042][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 199.970321][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 199.979027][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 199.987603][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 199.994675][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.002177][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 200.011648][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 200.019168][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 200.057046][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 200.066021][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 200.074999][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 200.089605][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 200.098748][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 200.106396][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 200.114324][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 200.151805][ T8840] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 200.162353][ T8840] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 200.183436][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 200.192008][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 200.204890][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 200.218371][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 200.227915][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 200.238545][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 200.275786][ T8835] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 200.283548][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 200.301565][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 200.316216][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready 05:36:29 executing program 0: openat$sequencer(0xffffffffffffff9c, &(0x7f00000019c0)='/dev/sequencer\x00', 0x1, 0x0) openat$apparmor_task_exec(0xffffffffffffff9c, &(0x7f0000000000)='/proc/self/attr/exec\x00', 0x2, 0x0) openat$rtc(0xffffffffffffff9c, &(0x7f0000000200)='/dev/rtc0\x00', 0x0, 0x0) pipe(&(0x7f0000000140)={0xffffffffffffffff, 0xffffffffffffffff}) write(r0, &(0x7f00000001c0), 0xfffffef3) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) clock_gettime(0x0, &(0x7f0000000240)={0x0, 0x0}) pselect6(0x40, &(0x7f0000000280), 0x0, &(0x7f0000000140)={0x1ff}, &(0x7f0000000080)={0x0, r1+30000000}, 0x0) vmsplice(0xffffffffffffffff, &(0x7f0000000000)=[{0x0}], 0x1, 0x0) [ 200.341026][ T8842] 8021q: adding VLAN 0 to HW filter on device bond0 [ 200.364013][ T8840] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 200.385368][ T8844] 8021q: adding VLAN 0 to HW filter on device bond0 [ 200.420820][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 200.430236][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 200.479437][ T8844] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.496910][ T8842] 8021q: adding VLAN 0 to HW filter on device team0 [ 200.505643][ T8849] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 200.519060][ T8849] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 05:36:29 executing program 1: r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) setsockopt$llc_int(r0, 0x10c, 0x2, &(0x7f0000000300), 0x4) [ 200.573237][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 200.582480][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 200.603258][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.610343][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.625482][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 200.651050][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 200.668865][ T44] bridge0: port 2(bridge_slave_1) entered blocking state 05:36:30 executing program 1: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) r0 = socket$unix(0x1, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 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) mount$overlay(0x40000a, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}], [], 0xf603000000000000}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='cgroup2\x00', 0x0, 0x0) [ 200.675984][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.691192][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 200.700049][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 200.716456][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 200.725476][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 200.734573][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 200.743546][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 200.752214][ T44] bridge0: port 1(bridge_slave_0) entered blocking state [ 200.759379][ T44] bridge0: port 1(bridge_slave_0) entered forwarding state [ 200.768411][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 200.777250][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 200.786003][ T44] bridge0: port 2(bridge_slave_1) entered blocking state [ 200.792806][ C0] hrtimer: interrupt took 54261 ns [ 200.793152][ T44] bridge0: port 2(bridge_slave_1) entered forwarding state [ 200.814079][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 200.822246][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 200.830375][ T8839] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready 05:36:30 executing program 2: r0 = syz_init_net_socket$llc(0x1a, 0x801, 0x0) setsockopt$llc_int(r0, 0x10c, 0x6, &(0x7f0000000300), 0x4) [ 200.875245][ T8844] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 200.885989][ T8844] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network 05:36:30 executing program 2: perf_event_open(0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000700)={[{@gid={'gid'}}]}) [ 200.933927][ T8883] overlayfs: filesystem on './file0' not supported as upperdir [ 200.963841][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 200.972699][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 200.986645][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 200.996204][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 201.004814][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 201.013248][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 201.029311][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 201.044708][ T8891] __ntfs_error: 3 callbacks suppressed [ 201.044719][ T8891] ntfs: (device loop2): parse_options(): Unrecognized mount option . [ 201.054804][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 201.078778][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready 05:36:30 executing program 2: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup\x00', 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f0000000600)='cgroup.threads\x00', 0x2, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r3 = dup(r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) r4 = openat$cgroup_procs(r0, &(0x7f0000000300)='cgroup.procs\x00D\xa6\xb9\x19\x1a\a/\xcb\x80\xd0\x8c@\xe4h\x98\x03bp\xde\x89*\xb5a>Xu\x8b\x7f\x16\xff/\rjS', 0x2, 0x0) sendfile(r1, r4, 0x0, 0x2) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r6 = dup(r5) dup3(r6, r4, 0x0) [ 201.092414][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 201.101981][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 201.135321][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 201.147230][ T8847] 8021q: adding VLAN 0 to HW filter on device bond0 05:36:30 executing program 1: mkdir(&(0x7f00000001c0)='./file0\x00', 0x0) mkdir(&(0x7f00000009c0)='./file1\x00', 0x0) r0 = socket$unix(0x1, 0x2, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount$overlay(0x40000a, &(0x7f0000000000)='./file0\x00', &(0x7f00000000c0)='overlay\x00', 0x0, &(0x7f0000000100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './file1'}, 0x5c}], [], 0xf603000000000000}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000240)='cgroup2\x00', 0x0, 0x0) [ 201.195147][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 201.208239][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 201.228936][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready 05:36:30 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000240)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_VCPU_EVENTS(r2, 0x4040aea0, &(0x7f00000006c0)={0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f}) [ 201.238693][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 201.248278][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 201.274546][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 201.296257][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 201.313291][ T44] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 201.318223][ T8901] L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. [ 201.327222][ T8847] 8021q: adding VLAN 0 to HW filter on device team0 [ 201.364763][ T8842] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 201.379178][ T8853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 201.388924][ T8853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready 05:36:30 executing program 2: [ 201.434638][ T8853] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 201.444085][ T8853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 201.472091][ T8853] bridge0: port 1(bridge_slave_0) entered blocking state [ 201.479241][ T8853] bridge0: port 1(bridge_slave_0) entered forwarding state [ 201.498039][ T8853] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 201.517487][ T8853] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 201.540555][ T8853] bridge0: port 2(bridge_slave_1) entered blocking state [ 201.547706][ T8853] bridge0: port 2(bridge_slave_1) entered forwarding state [ 201.571181][ T8844] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 201.589459][ T8842] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 201.618208][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 201.627366][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 201.648283][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 201.656892][ T8848] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 201.678789][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 201.687959][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 201.702666][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 201.719532][ T8847] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 201.736955][ T8847] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 201.758503][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 201.766669][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 201.775895][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 201.784482][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 201.792961][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 201.801255][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 201.809611][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 201.818716][ T2855] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 201.837501][ T8849] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 201.845136][ T8849] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 201.862653][ T8847] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 202.081182][ T8929] ntfs: (device loop5): parse_options(): Invalid gid option argument: 0x00000000ffffffff [ 202.162215][ T8932] ntfs: (device loop5): parse_options(): Invalid gid option argument: 0x00000000ffffffff 05:36:31 executing program 3: 05:36:31 executing program 0: 05:36:31 executing program 2: 05:36:31 executing program 4: 05:36:31 executing program 5: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) openat$proc_capi20ncci(0xffffffffffffff9c, 0x0, 0x0, 0x0) r2 = socket$kcm(0x10, 0x800000000002, 0x0) getsockopt$sock_cred(r2, 0x1, 0x11, &(0x7f0000000600)={0x0, 0x0, 0x0}, &(0x7f0000000640)=0xc) syz_mount_image$ntfs(&(0x7f0000000100)='ntfs\x00', &(0x7f0000000180)='./file0\x00', 0x0, 0x0, 0x0, 0x0, &(0x7f0000000700)={[{@gid={'gid', 0x3d, r3}}]}) 05:36:31 executing program 4: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 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, 0x0, 0x0, 0x0, 0x53}, 0x0, 0x0, 0xffffffffffffffff, 0x0) syz_open_dev$sg(&(0x7f0000000200)='/dev/sg#\x00', 0x0, 0x163882) ioctl$SCSI_IOCTL_START_UNIT(0xffffffffffffffff, 0x5) openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) prctl$PR_GET_KEEPCAPS(0x7) syz_open_dev$sndpcmp(0x0, 0x0, 0x0) creat(0x0, 0x0) ioctl$FS_IOC_GETFSMAP(0xffffffffffffffff, 0xc0c0583b, 0x0) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) 05:36:31 executing program 0: 05:36:31 executing program 2: [ 202.364940][ T8944] ntfs: (device loop5): parse_options(): Invalid gid option argument: 0x00000000ffffffff 05:36:31 executing program 0: [ 236.862950][ T1078] INFO: task khugepaged:1085 blocked for more than 143 seconds. [ 236.870801][ T1078] Not tainted 5.4.0-rc5-next-20191031 #0 [ 236.877008][ T1078] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 236.885698][ T1078] khugepaged D27840 1085 2 0x80004000 [ 236.892058][ T1078] Call Trace: [ 236.895457][ T1078] __schedule+0x94a/0x1e70 [ 236.899889][ T1078] ? __sched_text_start+0x8/0x8 [ 236.904880][ T1078] ? blk_insert_cloned_request+0x530/0x530 [ 236.910726][ T1078] ? _raw_spin_unlock_irq+0x23/0x80 [ 236.915997][ T1078] ? __lock_page+0x3d9/0xab0 [ 236.920605][ T1078] ? _raw_spin_unlock_irq+0x23/0x80 [ 236.925860][ T1078] schedule+0xdc/0x2b0 [ 236.929923][ T1078] io_schedule+0x1c/0x70 [ 236.934229][ T1078] __lock_page+0x422/0xab0 [ 236.938644][ T1078] ? wait_on_page_bit+0xa60/0xa60 [ 236.943793][ T1078] ? page_cache_next_miss+0x340/0x340 [ 236.949177][ T1078] ? ___might_sleep+0x163/0x2c0 [ 236.954205][ T1078] ? __might_sleep+0x95/0x190 [ 236.958942][ T1078] mpage_prepare_extent_to_map+0xb3f/0xf90 [ 236.964820][ T1078] ? mpage_process_page_bufs+0x780/0x780 [ 236.970458][ T1078] ? rcu_read_lock_sched_held+0x9c/0xd0 [ 236.976891][ T1078] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 236.982934][ T1078] ? __kmalloc_node+0xf/0x70 [ 236.987528][ T1078] ext4_writepages+0x954/0x2e70 [ 236.992371][ T1078] ? get_page_from_freelist+0x21fb/0x4330 [ 236.998133][ T1078] ? find_held_lock+0x35/0x130 [ 237.002942][ T1078] ? get_page_from_freelist+0x21fb/0x4330 [ 237.008655][ T1078] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 237.014153][ T1078] ? 0xffffffff81000000 [ 237.018406][ T1078] ? mark_lock+0xc2/0x1220 [ 237.022873][ T1078] ? prep_new_page+0x19f/0x200 [ 237.027638][ T1078] ? wbc_attach_and_unlock_inode+0x514/0x920 [ 237.033670][ T1078] ? find_held_lock+0x35/0x130 [ 237.038431][ T1078] ? wbc_attach_and_unlock_inode+0x515/0x920 [ 237.044468][ T1078] ? ext4_mark_inode_dirty+0x9b0/0x9b0 [ 237.049927][ T1078] do_writepages+0xfa/0x2a0 [ 237.054462][ T1078] ? do_writepages+0xfa/0x2a0 [ 237.059148][ T1078] ? lock_downgrade+0x920/0x920 [ 237.064185][ T1078] ? page_writeback_cpu_online+0x20/0x20 [ 237.069825][ T1078] ? __kasan_check_read+0x11/0x20 [ 237.074894][ T1078] ? do_raw_spin_unlock+0x57/0x270 [ 237.080018][ T1078] ? _raw_spin_unlock+0x28/0x40 [ 237.084928][ T1078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 237.091173][ T1078] ? wbc_attach_and_unlock_inode+0x5bf/0x920 [ 237.097270][ T1078] __filemap_fdatawrite_range+0x2bc/0x3b0 [ 237.103977][ T1078] ? delete_from_page_cache_batch+0xfe0/0xfe0 [ 237.110045][ T1078] ? lockdep_hardirqs_on+0x421/0x5e0 [ 237.115390][ T1078] filemap_flush+0x24/0x30 [ 237.119807][ T1078] collapse_file+0x36b1/0x41a0 [ 237.124639][ T1078] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 237.130795][ T1078] ? khugepaged+0x21c0/0x4360 [ 237.135535][ T1078] ? trace_event_raw_event_mm_collapse_huge_page_isolate+0x370/0x370 [ 237.143697][ T1078] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 237.149846][ T1078] ? khugepaged_find_target_node+0x142/0x180 [ 237.155864][ T1078] khugepaged+0x2da9/0x4360 [ 237.160371][ T1078] ? __kasan_check_read+0x11/0x20 [ 237.165440][ T1078] ? __lock_acquire+0x16f2/0x4a00 [ 237.170474][ T1078] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 237.176286][ T1078] ? lock_downgrade+0x920/0x920 [ 237.181206][ T1078] ? finish_wait+0x260/0x260 [ 237.185934][ T1078] ? lockdep_hardirqs_on+0x421/0x5e0 [ 237.191258][ T1078] ? trace_hardirqs_on+0x67/0x240 [ 237.196359][ T1078] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 237.202667][ T1078] ? __kthread_parkme+0x108/0x1c0 [ 237.207797][ T1078] ? __kasan_check_read+0x11/0x20 [ 237.212980][ T1078] kthread+0x361/0x430 [ 237.217050][ T1078] ? collapse_pte_mapped_thp+0xbe0/0xbe0 [ 237.222663][ T1078] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 237.228427][ T1078] ret_from_fork+0x24/0x30 [ 237.233461][ T1078] [ 237.233461][ T1078] Showing all locks held in the system: [ 237.241167][ T1078] 4 locks held by kworker/u4:2/117: [ 237.246567][ T1078] #0: ffff8880a7b1cd28 ((wq_completion)writeback){+.+.}, at: process_one_work+0x88b/0x1740 [ 237.256703][ T1078] #1: ffff8880a96cfdc0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x8c1/0x1740 [ 237.268056][ T1078] #2: ffff8882159920d8 (&type->s_umount_key#32){++++}, at: trylock_super+0x22/0x110 [ 237.277556][ T1078] #3: ffff888215994990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 237.287542][ T1078] 1 lock held by khungtaskd/1078: [ 237.292552][ T1078] #0: ffffffff88faba40 (rcu_read_lock){....}, at: debug_show_all_locks+0x5f/0x279 [ 237.301884][ T1078] 1 lock held by khugepaged/1085: [ 237.306919][ T1078] #0: ffff888215994990 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0xfa/0x2a0 [ 237.316788][ T1078] 1 lock held by rsyslogd/8706: [ 237.321620][ T1078] #0: ffff888099323860 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0xee/0x110 [ 237.330241][ T1078] 2 locks held by getty/8795: [ 237.335190][ T1078] #0: ffff8880a1d8a090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.344229][ T1078] #1: ffffc90005f4b2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.353948][ T1078] 2 locks held by getty/8796: [ 237.358723][ T1078] #0: ffff88809860d090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.368333][ T1078] #1: ffffc90005f532e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.377938][ T1078] 2 locks held by getty/8797: [ 237.382601][ T1078] #0: ffff88809a66c090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.391580][ T1078] #1: ffffc90005f3d2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.401255][ T1078] 2 locks held by getty/8798: [ 237.405948][ T1078] #0: ffff8880a19f0090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.414941][ T1078] #1: ffffc90005f412e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.424579][ T1078] 2 locks held by getty/8799: [ 237.429238][ T1078] #0: ffff8880a85ca090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.438209][ T1078] #1: ffffc90005f312e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.448149][ T1078] 2 locks held by getty/8800: [ 237.452847][ T1078] #0: ffff8880a7cf7090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.461802][ T1078] #1: ffffc90005f4f2e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.471490][ T1078] 2 locks held by getty/8801: [ 237.476257][ T1078] #0: ffff888096503090 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x33/0x40 [ 237.485258][ T1078] #1: ffffc90005f212e0 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x220/0x1bf0 [ 237.495331][ T1078] 2 locks held by syz-executor.1/8835: [ 237.500762][ T1078] #0: ffff88805e41c0d8 (&type->s_umount_key#50){+.+.}, at: deactivate_super+0x1aa/0x1d0 [ 237.510857][ T1078] #1: ffff8882159920d8 (&type->s_umount_key#32){++++}, at: ovl_sync_fs+0xb7/0x100 [ 237.520226][ T1078] [ 237.522553][ T1078] ============================================= [ 237.522553][ T1078] [ 237.531056][ T1078] NMI backtrace for cpu 0 [ 237.535543][ T1078] CPU: 0 PID: 1078 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 237.544362][ T1078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.554424][ T1078] Call Trace: [ 237.557751][ T1078] dump_stack+0x172/0x1f0 [ 237.562063][ T1078] nmi_cpu_backtrace.cold+0x70/0xb2 [ 237.567254][ T1078] ? vprintk_func+0x86/0x189 [ 237.571822][ T1078] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 237.577430][ T1078] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 237.583390][ T1078] arch_trigger_cpumask_backtrace+0x14/0x20 [ 237.589255][ T1078] watchdog+0xc8f/0x1350 [ 237.593483][ T1078] kthread+0x361/0x430 [ 237.597524][ T1078] ? reset_hung_task_detector+0x30/0x30 [ 237.604181][ T1078] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 237.609877][ T1078] ret_from_fork+0x24/0x30 [ 237.614647][ T1078] Sending NMI from CPU 0 to CPUs 1: [ 237.619916][ C1] NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0xe/0x10 [ 237.621472][ T1078] Kernel panic - not syncing: hung_task: blocked tasks [ 237.635002][ T1078] CPU: 0 PID: 1078 Comm: khungtaskd Not tainted 5.4.0-rc5-next-20191031 #0 [ 237.643580][ T1078] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 237.653611][ T1078] Call Trace: [ 237.656880][ T1078] dump_stack+0x172/0x1f0 [ 237.661202][ T1078] panic+0x2e3/0x75c [ 237.665073][ T1078] ? add_taint.cold+0x16/0x16 [ 237.669722][ T1078] ? lapic_can_unplug_cpu.cold+0x3a/0x3a [ 237.675331][ T1078] ? ___preempt_schedule+0x16/0x18 [ 237.680416][ T1078] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 237.686544][ T1078] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 237.692670][ T1078] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 237.698795][ T1078] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 237.704927][ T1078] watchdog+0xca0/0x1350 [ 237.709147][ T1078] kthread+0x361/0x430 [ 237.713201][ T1078] ? reset_hung_task_detector+0x30/0x30 [ 237.718719][ T1078] ? kthread_mod_delayed_work+0x1f0/0x1f0 [ 237.724416][ T1078] ret_from_fork+0x24/0x30 [ 237.730447][ T1078] Kernel Offset: disabled [ 237.734802][ T1078] Rebooting in 86400 seconds..