[ 43.961146][ T23] audit: type=1800 audit(1575452934.857:26): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.982570][ T23] audit: type=1800 audit(1575452934.857:27): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 44.002076][ T23] audit: type=1800 audit(1575452934.857:28): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 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. [ 44.830739][ T23] audit: type=1800 audit(1575452935.767:29): pid=7968 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.219' (ECDSA) to the list of known hosts. 2019/12/04 09:49:06 fuzzer started 2019/12/04 09:49:08 dialing manager at 10.128.0.26:36481 2019/12/04 09:49:08 syscalls: 2691 2019/12/04 09:49:08 code coverage: enabled 2019/12/04 09:49:08 comparison tracing: enabled 2019/12/04 09:49:08 extra coverage: extra coverage is not supported by the kernel 2019/12/04 09:49:08 setuid sandbox: enabled 2019/12/04 09:49:08 namespace sandbox: enabled 2019/12/04 09:49:08 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 09:49:08 fault injection: enabled 2019/12/04 09:49:08 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 09:49:08 net packet injection: enabled 2019/12/04 09:49:08 net device setup: enabled 2019/12/04 09:49:08 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 09:49:08 devlink PCI setup: PCI device 0000:00:10.0 is not available 09:49:09 executing program 0: r0 = socket$inet6_sctp(0xa, 0x5, 0x84) setsockopt$inet_sctp6_SCTP_PEER_ADDR_PARAMS(r0, 0x84, 0x9, &(0x7f00000003c0)={0x0, @in={{0x2, 0x0, @empty}}, 0x0, 0x0, 0x0, 0x2, 0xa0}, 0x98) 09:49:09 executing program 1: r0 = socket$inet_icmp_raw(0x2, 0x3, 0x1) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) socketpair(0x1e, 0x1, 0x0, &(0x7f0000000140)={0x0, 0x0}) recvmsg$kcm(r2, &(0x7f0000001540)={0x0, 0x0, &(0x7f0000003400)=[{&(0x7f0000000380)=""/195, 0xc3}], 0x1}, 0x0) close(r2) sendmsg$kcm(r3, &(0x7f0000000100)={0x0, 0xfffffffffffffdd3, &(0x7f0000000a00)=[{&(0x7f0000000600)="a5ab3c2043503f3cd6bbe15099777da8db2a5a04084d696b0ce1c10106a603f447bad59d3c5ab1858f2af4d627e14e18b4552e4171114938941a947a526598db164c3ea1aadc305a7241f77fefeae0996ae47e35acc2ffe29616c4275ac7499fe04d6f4eb53d3eb7cb6a023157547b24c2f6c7a179673a7de0b80e0bb9424fe6f976351d6c8e35cc1e6d5e83a6be15b7acfe55e813bca95d6e22b71c0bcf6f5a87329681ca6377bb96cc46184f6d05a593403725072d54556da3ca92d7e553299fa1ca0a", 0xc4}], 0x1}, 0x0) syzkaller login: [ 58.550173][ T8131] IPVS: ftp: loaded support on port[0] = 21 09:49:09 executing program 2: mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x4, 0x31, 0xffffffffffffffff, 0x0) futex(&(0x7f0000000000), 0x89, 0x2, 0x0, 0x0, 0x1) [ 58.719160][ T8131] chnl_net:caif_netlink_parms(): no params data found [ 58.742074][ T8134] IPVS: ftp: loaded support on port[0] = 21 [ 58.856083][ T8131] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.878726][ T8131] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.888209][ T8131] device bridge_slave_0 entered promiscuous mode 09:49:09 executing program 3: r0 = socket$inet_udplite(0x2, 0x2, 0x88) setsockopt$EBT_SO_SET_ENTRIES(r0, 0x0, 0x80, &(0x7f0000000380)=@broute={'broute\x00', 0x20, 0x2, 0x90, [0x0, 0x0, 0x0, 0x0, 0x0, 0x200005c0], 0x0, 0x0, &(0x7f00000005c0)=[{0x0, '\x00', 0x0, 0xffffffffffffffff}, {0x0, '\x00', 0x0, 0xfffffffffffffffe}, {0x0, '\x00', 0x0, 0xffffffffffffffff}]}, 0x108) [ 58.912940][ T8131] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.922243][ T8131] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.930597][ T8131] device bridge_slave_1 entered promiscuous mode [ 58.982913][ T8136] IPVS: ftp: loaded support on port[0] = 21 [ 59.042682][ T8131] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.062072][ T8134] chnl_net:caif_netlink_parms(): no params data found [ 59.094399][ T8131] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.135529][ T8140] IPVS: ftp: loaded support on port[0] = 21 09:49:10 executing program 4: socket$inet6(0xa, 0x1000000000002, 0x0) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) dup2(r0, r0) perf_event_open(&(0x7f00000000c0)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x2000, 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, 0x2, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x0) setsockopt$inet_tcp_int(r1, 0x6, 0xa, &(0x7f0000000300)=0x2000000000005ea, 0x4) bind$inet(r1, &(0x7f0000000080)={0x2, 0x4e23, @multicast1}, 0x10) getsockopt$inet_sctp6_SCTP_HMAC_IDENT(0xffffffffffffffff, 0x84, 0x16, &(0x7f0000000640)=ANY=[@ANYBLOB="070000000800063aa3037efd99a96e000100f4e2725a0adef6441eb5bdcccb6d43c56cd53c3bf9004c4f27916367a28884c4eecae4da547c6c8a3e3d6c7fcdbee0a448786bccc3561d2ee10cd3d4ac9c959456bc74e46ab2e812a65f0ee3fc866450bed8a196e35004b675ae49b11387a68bcf41d07244cfb2d898b6fb1dcf21e28450f694baf9d6a1d909202761b7fa64caaf01b52848cfc3f2e97cfd7bd58cb0f5688f07d52b73c7bdbedd3d8f68ec63520b537b9b86163d48936fef632b9bc41e6dc523d22a7eb9780923242485493eb1582fae638cdf9450fe352ee2"], &(0x7f0000000140)=0x12) sendto$inet(r1, 0x0, 0x0, 0x200007fb, &(0x7f0000000540)={0x2, 0x4e23, @local}, 0x10) setsockopt$inet_tcp_TCP_CONGESTION(r1, 0x6, 0xd, &(0x7f0000000040)='nv\x00', 0xfe20) recvmsg(r1, &(0x7f00000003c0)={0x0, 0x5, &(0x7f0000000380)=[{&(0x7f0000000400)=""/199, 0xfffffe80}, {&(0x7f0000000200)=""/226, 0xe2}, {&(0x7f0000000340)=""/42, 0x2a}], 0x2, 0x0, 0x181, 0x200f00}, 0x0) write$binfmt_elf64(r1, &(0x7f0000002300)=ANY=[@ANYRES64], 0xf43185f1) [ 59.231873][ T8131] team0: Port device team_slave_0 added [ 59.237848][ T8134] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.245309][ T8134] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.254105][ T8134] device bridge_slave_0 entered promiscuous mode [ 59.280310][ T8131] team0: Port device team_slave_1 added [ 59.286202][ T8134] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.300258][ T8134] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.308111][ T8134] device bridge_slave_1 entered promiscuous mode [ 59.359279][ T8134] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.381203][ T8134] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.443726][ T8136] chnl_net:caif_netlink_parms(): no params data found [ 59.465910][ T8134] team0: Port device team_slave_0 added 09:49:10 executing program 5: perf_event_open(&(0x7f000001d000)={0x1, 0x80, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffbfffffffffffff, 0xffffffffffffffff, 0x0) socket$inet6_tcp(0xa, 0x1, 0x0) r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000000)) r1 = syz_open_pts(r0, 0x0) ioctl$TIOCSETD(r1, 0x5423, &(0x7f0000000200)=0x2) read(r1, 0x0, 0x6c00) dup3(r1, r0, 0x0) [ 59.524585][ T8131] device hsr_slave_0 entered promiscuous mode [ 59.570294][ T8131] device hsr_slave_1 entered promiscuous mode [ 59.618267][ T8134] team0: Port device team_slave_1 added [ 59.667558][ T8145] IPVS: ftp: loaded support on port[0] = 21 [ 59.732405][ T8134] device hsr_slave_0 entered promiscuous mode [ 59.780672][ T8134] device hsr_slave_1 entered promiscuous mode [ 59.830137][ T8134] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.842531][ T8143] IPVS: ftp: loaded support on port[0] = 21 [ 59.866688][ T8136] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.874116][ T8136] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.882337][ T8136] device bridge_slave_0 entered promiscuous mode [ 59.892494][ T8136] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.899537][ T8136] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.909958][ T8136] device bridge_slave_1 entered promiscuous mode [ 59.927304][ T8134] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.971276][ T8140] chnl_net:caif_netlink_parms(): no params data found [ 59.980363][ T8134] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 60.052827][ T8134] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 60.102405][ T8131] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.165445][ T8131] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.212410][ T8131] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.262362][ T8131] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.329231][ T8134] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 60.388894][ T8136] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.414617][ T8136] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.474983][ T8136] team0: Port device team_slave_0 added [ 60.488275][ T8140] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.496320][ T8140] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.505033][ T8140] device bridge_slave_0 entered promiscuous mode [ 60.512846][ T8140] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.519963][ T8140] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.528416][ T8140] device bridge_slave_1 entered promiscuous mode [ 60.542505][ T8136] team0: Port device team_slave_1 added [ 60.566901][ T8140] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.595459][ T8140] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.633087][ T8131] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.682532][ T8136] device hsr_slave_0 entered promiscuous mode [ 60.730413][ T8136] device hsr_slave_1 entered promiscuous mode [ 60.769833][ T8136] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.780662][ T8140] team0: Port device team_slave_0 added [ 60.813094][ T8134] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.822654][ T8140] team0: Port device team_slave_1 added [ 60.845581][ T8145] chnl_net:caif_netlink_parms(): no params data found [ 60.878775][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.887422][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.897311][ T8131] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.916355][ T8134] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.923944][ T8145] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.931776][ T8145] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.939321][ T8145] device bridge_slave_0 entered promiscuous mode [ 60.955209][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.963644][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.022497][ T8140] device hsr_slave_0 entered promiscuous mode [ 61.070039][ T8140] device hsr_slave_1 entered promiscuous mode [ 61.129838][ T8140] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.151664][ T8145] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.158740][ T8145] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.167724][ T8145] device bridge_slave_1 entered promiscuous mode [ 61.181418][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.190587][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.199613][ T3221] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.206790][ T3221] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.215344][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.224143][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.232564][ T3221] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.239594][ T3221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.264696][ T8136] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 61.312034][ T8136] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 61.376000][ T8136] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 61.423277][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.432697][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.441711][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.451458][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.458497][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.484194][ T8145] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.497305][ T8136] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 61.554179][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.562179][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.571635][ T8143] chnl_net:caif_netlink_parms(): no params data found [ 61.586069][ T8145] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.617779][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.626532][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.635848][ T3221] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.644322][ T3221] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.651401][ T3221] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.670062][ T8145] team0: Port device team_slave_0 added [ 61.678722][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.703554][ T8145] team0: Port device team_slave_1 added [ 61.719773][ T8140] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.752383][ T8140] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.802887][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.811543][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.819976][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.828335][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.836685][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.845289][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.854236][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.884391][ T8140] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 61.931546][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.939297][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.947223][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.955792][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.964184][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.972628][ T8147] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.984022][ T8143] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.991246][ T8143] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.998760][ T8143] device bridge_slave_0 entered promiscuous mode [ 62.052463][ T8145] device hsr_slave_0 entered promiscuous mode [ 62.110167][ T8145] device hsr_slave_1 entered promiscuous mode [ 62.139822][ T8145] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.147395][ T8140] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.208411][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.217064][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.225635][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.234182][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.243224][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.251423][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.260612][ T8131] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.268225][ T8143] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.275385][ T8143] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.286418][ T8143] device bridge_slave_1 entered promiscuous mode [ 62.294963][ T8134] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.340892][ T8136] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.349469][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.357129][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.388543][ T8131] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.409143][ T8143] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.422510][ T8143] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.435011][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 62.443330][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.455954][ T8134] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.491738][ T8136] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.498553][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.513010][ T3019] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.524802][ T8145] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.562394][ T8145] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 62.605050][ T8145] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 62.662074][ T8145] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 62.731703][ T8143] team0: Port device team_slave_0 added [ 62.747783][ T8140] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.765306][ T8143] team0: Port device team_slave_1 added [ 167.769687][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.776478][ C0] rcu: 0-...!: (10499 ticks this GP) idle=bb6/1/0x4000000000000002 softirq=11211/11214 fqs=0 [ 167.786942][ C0] (t=10500 jiffies g=6193 q=53) [ 167.791884][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6193 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 167.802964][ C0] rcu: RCU grace-period kthread stack dump: [ 167.808841][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.816728][ C0] Call Trace: [ 167.820189][ C0] __schedule+0x9a0/0xcc0 [ 167.824519][ C0] schedule+0x181/0x210 [ 167.828663][ C0] schedule_timeout+0x14f/0x240 [ 167.833515][ C0] ? run_local_timers+0x120/0x120 [ 167.838542][ C0] rcu_gp_kthread+0xed8/0x1770 [ 167.843304][ C0] kthread+0x332/0x350 [ 167.847356][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 167.852455][ C0] ? kthread_blkcg+0xe0/0xe0 [ 167.857045][ C0] ret_from_fork+0x24/0x30 [ 167.861462][ C0] NMI backtrace for cpu 0 [ 167.865780][ C0] CPU: 0 PID: 7811 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 167.873218][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.883257][ C0] Call Trace: [ 167.886525][ C0] [ 167.889367][ C0] dump_stack+0x1fb/0x318 [ 167.893688][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.898531][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.904674][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.910724][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.916695][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.922573][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.927679][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.932879][ C0] ? trace_hardirqs_off+0x74/0x80 [ 167.937896][ C0] update_process_times+0x12d/0x180 [ 167.943087][ C0] tick_sched_timer+0x263/0x420 [ 167.947922][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.953457][ C0] __hrtimer_run_queues+0x403/0x840 [ 167.958667][ C0] hrtimer_interrupt+0x38c/0xda0 [ 167.963606][ C0] ? debug_smp_processor_id+0x9/0x20 [ 167.968879][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 167.974412][ C0] apic_timer_interrupt+0xf/0x20 [ 167.979348][ C0] [ 167.982275][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 167.988331][ C0] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d f4 3c cd 07 48 89 de e8 d4 01 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 38 84 8b 7e f7 c2 [ 168.007919][ C0] RSP: 0018:ffffc90006e27ac8 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 168.016317][ C0] RAX: 1ffff11012b23d21 RBX: ffffea0002241a00 RCX: ffff88809f0400c0 [ 168.024280][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002241a00 [ 168.032236][ C0] RBP: ffffc90006e27b08 R08: dffffc0000000000 R09: fffffbfff1287a8d [ 168.040300][ C0] R10: fffffbfff1287a8d R11: 0000000000000000 R12: ffff88809591e9a0 [ 168.048366][ C0] R13: dffffc0000000000 R14: 1ffff11012b23d34 R15: ffff888089ac5428 [ 168.056343][ C0] ? free_thread_stack+0x124/0x590 [ 168.061442][ C0] put_task_stack+0xa3/0x130 [ 168.066029][ C0] finish_task_switch+0x3f1/0x550 [ 168.071043][ C0] __schedule+0x9a8/0xcc0 [ 168.075383][ C0] ? ___preempt_schedule+0x16/0x18 [ 168.080484][ C0] preempt_schedule+0xdb/0x120 [ 168.085232][ C0] ___preempt_schedule+0x16/0x18 [ 168.090162][ C0] _raw_spin_unlock+0x3a/0x40 [ 168.094827][ C0] __d_lookup+0x5d1/0x6f0 [ 168.099148][ C0] d_lookup+0x37/0x60 [ 168.103123][ C0] __lookup_hash+0x38/0x290 [ 168.107617][ C0] ? lock_rename+0x186/0x1a0 [ 168.112202][ C0] do_renameat2+0x3bc/0xff0 [ 168.116710][ C0] __x64_sys_rename+0x68/0x80 [ 168.121391][ C0] do_syscall_64+0xf7/0x1c0 [ 168.125883][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.131761][ C0] RIP: 0033:0x7f3ad97bf527 [ 168.136164][ C0] Code: 32 00 64 83 38 15 74 07 b8 ff ff ff ff 5b c3 48 89 df e8 1c c1 07 00 85 c0 75 ed 31 c0 eb d3 90 90 90 90 b8 52 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d e1 f8 32 00 31 d2 48 29 c2 64 [ 168.155754][ C0] RSP: 002b:00007fffd0df0618 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 168.164168][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3ad97bf527 [ 168.172126][ C0] RDX: 00007f3ad9af0e98 RSI: 00007fffd0df0650 RDI: 00007fffd0df0a50 [ 168.180084][ C0] RBP: 00000000013f0720 R08: 00007f3ada1327a0 R09: 0000000000000001 [ 168.188056][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000013e5bf0 [ 168.196014][ C0] R13: 00000000013d7250 R14: 00007fffd0df0650 R15: 0000000000000001