[ 41.906419][ T23] audit: type=1800 audit(1575404144.321:27): pid=7987 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.936840][ T23] audit: type=1800 audit(1575404144.321:28): pid=7987 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. [ 42.732295][ T23] audit: type=1800 audit(1575404145.231:29): pid=7987 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.751773][ T23] audit: type=1800 audit(1575404145.231:30): pid=7987 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.88' (ECDSA) to the list of known hosts. 2019/12/03 20:15:55 fuzzer started 2019/12/03 20:15:57 dialing manager at 10.128.0.26:42111 2019/12/03 20:15:57 syscalls: 2689 2019/12/03 20:15:57 code coverage: enabled 2019/12/03 20:15:57 comparison tracing: enabled 2019/12/03 20:15:57 extra coverage: extra coverage is not supported by the kernel 2019/12/03 20:15:57 setuid sandbox: enabled 2019/12/03 20:15:57 namespace sandbox: enabled 2019/12/03 20:15:57 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 20:15:57 fault injection: enabled 2019/12/03 20:15:57 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 20:15:57 net packet injection: enabled 2019/12/03 20:15:57 net device setup: enabled 2019/12/03 20:15:57 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 20:15:57 devlink PCI setup: PCI device 0000:00:10.0 is not available 20:15:58 executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) getsockname$packet(0xffffffffffffffff, 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_ENABLE_CAP_CPU(r2, 0x4008ae89, &(0x7f00000000c0)={0x7a, 0x4, [0xc0000100], [0x3a]}) 20:15:58 executing program 1: bpf$PROG_LOAD(0x5, &(0x7f0000000100)={0xd, 0x3, &(0x7f0000000200)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x6b, 0x66}}, &(0x7f0000000240)='EP\xd4\x00\x1f\x91\xeb/W\xb72$C0%\x03\x9c0\x96\xb2\fkC\x93H\xbfh\x9c\b`\x857\xd6\">c\xad\xc0bO\xba\xe2\xe1\t5\x9d\xcei\"2L\xcc\x13\x16\vh\xca\xe6C\x06\x97%\x9d\xd5-\x1fs\xe1j\xdc5\x92\xd0)%\xdf\xfa\xe8^\x9c\xd29\x8clg\xc8\x7f\xb5\xb1&\x02\xf1E\xb4\x84\xbeE\x91)f\xe8\xb7\xe2\xf6`i\xc5m\xd7l\x1d\xc1\x12\x01<:kM\xe9\x99\xcd\xcd\xc8\x85Z\xee47\xdc\xc8u\x80\xcf\xbeTo\xbb\xfb\xc0\xebV\xd8\xbb\xbe\xa2\x90J|s\xc2', 0x1, 0x348, &(0x7f0000000480)=""/195}, 0x48) syzkaller login: [ 55.969780][ T8151] IPVS: ftp: loaded support on port[0] = 21 [ 56.098485][ T8151] chnl_net:caif_netlink_parms(): no params data found 20:15:58 executing program 2: r0 = socket$inet_udp(0x2, 0x2, 0x0) close(r0) r1 = socket$inet6(0xa, 0x1, 0x8010000000000084) bind$inet6(r1, &(0x7f0000000040)={0xa, 0x400004e21, 0x0, @empty}, 0x1c) r2 = socket$inet6_tcp(0xa, 0x1, 0x0) r3 = fcntl$dupfd(r2, 0x0, r2) ioctl$PERF_EVENT_IOC_ENABLE(r3, 0x8912, 0x400200) getsockopt$inet_sctp_SCTP_PARTIAL_DELIVERY_POINT(r3, 0x84, 0x13, &(0x7f0000000140)={0x0, 0x6}, &(0x7f0000000180)=0x8) setsockopt$inet_sctp6_SCTP_AUTH_DEACTIVATE_KEY(r1, 0x84, 0x23, &(0x7f00000001c0)={r4, 0x3f}, 0x8) getsockopt$inet_tcp_TCP_REPAIR_WINDOW(r3, 0x6, 0x1d, &(0x7f0000000080), &(0x7f0000000100)=0x14) setsockopt$inet6_int(r1, 0x29, 0x43, &(0x7f0000000000)=0x9, 0x4) setsockopt$inet_sctp6_SCTP_NODELAY(r0, 0x84, 0x3, &(0x7f00000000c0)=0x7, 0x4) setsockopt$inet6_opts(r1, 0x29, 0x3b, &(0x7f0000000080)=ANY=[@ANYBLOB], 0x8) connect$inet6(r1, &(0x7f0000000200)={0xa, 0x4e21, 0x0, @loopback}, 0x1c) write$binfmt_misc(r0, &(0x7f0000000300)=ANY=[@ANYBLOB="a43f97f95e587f921e41635f68e47c7a10bc918dba707335df9c4fe2e3dd545ee4a95fc838fdcc46a7540a012dcf04a12f99172a6f3583cd5498000448f3ae533c2845496e9b0a050d5e4e05f5f8188edecc091727ed7a25a91998bf61aeec90e8718f9aa9fd5da3aa3181c0080975dee42b7d8686ca8f92f314380c2a02a90e6efeaf9d6acdb213cd260c116f495d9569a33c798d369967f6690fd59a8b3bd789702d552fe262fe738e874609724467e7d1be8518f803b96022e1f0f1de7d3720bec96ede000000000000000000"], 0x10098) write$binfmt_misc(r0, &(0x7f0000000500)={'syz0'}, 0x4) write$binfmt_elf32(r0, &(0x7f0000000540)={{0x7f, 0x45, 0x4c, 0x46, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x38}, [{}]}, 0x58) [ 56.160638][ T8151] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.179548][ T8151] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.188694][ T8151] device bridge_slave_0 entered promiscuous mode [ 56.213270][ T8151] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.221079][ T8154] IPVS: ftp: loaded support on port[0] = 21 [ 56.236269][ T8151] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.263602][ T8151] device bridge_slave_1 entered promiscuous mode [ 56.324349][ T8151] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.345067][ T8151] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.388023][ T8151] team0: Port device team_slave_0 added 20:15:58 executing program 3: timer_create(0x0, &(0x7f0000000100)={0x0, 0x0, 0x4}, 0x0) perf_event_open(&(0x7f0000000180)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1ff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xbfffffffffffffff, 0xffffffffffffffff, 0x0) r0 = add_key$user(&(0x7f0000000200)='user\x00', &(0x7f0000000300)={'syz', 0x0}, &(0x7f00000002c0)="f5", 0x1, 0xfffffffffffffffe) keyctl$update(0x2, r0, &(0x7f0000000240)="db40951195b65329509626699071a860088261af3fd5f91a922ac7", 0xb2) r1 = add_key$user(&(0x7f00000003c0)='user\x00', &(0x7f0000000440)={'syz'}, &(0x7f00000000c0), 0xc9, 0xfffffffffffffffd) keyctl$dh_compute(0x17, &(0x7f0000000140)={r0, r1, r0}, &(0x7f00000000c0)=""/83, 0xfffffffffffffe4f, 0x0) [ 56.435985][ T8151] team0: Port device team_slave_1 added [ 56.472618][ T8157] IPVS: ftp: loaded support on port[0] = 21 [ 56.517002][ T8154] chnl_net:caif_netlink_parms(): no params data found [ 56.575069][ T8151] device hsr_slave_0 entered promiscuous mode [ 56.611860][ T8151] device hsr_slave_1 entered promiscuous mode 20:15:59 executing program 4: r0 = socket(0x400000000000010, 0x802, 0x0) write(r0, &(0x7f00000000c0)="24000000200099f0003be90005ed190e0200081600000001a0ba0080080002007f196be0", 0x24) [ 56.671046][ T8159] IPVS: ftp: loaded support on port[0] = 21 [ 56.744263][ T8154] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.752119][ T8154] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.760059][ T8154] device bridge_slave_0 entered promiscuous mode [ 56.820201][ T8154] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.841762][ T8154] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.849873][ T8154] device bridge_slave_1 entered promiscuous mode [ 56.872212][ T8151] netdevsim netdevsim0 netdevsim0: renamed from eth0 20:15:59 executing program 5: r0 = socket$can_raw(0x1d, 0x3, 0x1) getsockopt$CAN_RAW_FD_FRAMES(r0, 0x65, 0x5, 0x0, &(0x7f00000000c0)) [ 56.937764][ T8151] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 57.003968][ T8151] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 57.055056][ T8151] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 57.110506][ T8154] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.122206][ T8154] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.154231][ T8164] IPVS: ftp: loaded support on port[0] = 21 [ 57.163163][ T8162] IPVS: ftp: loaded support on port[0] = 21 [ 57.197260][ T8157] chnl_net:caif_netlink_parms(): no params data found [ 57.217669][ T8154] team0: Port device team_slave_0 added [ 57.226118][ T8154] team0: Port device team_slave_1 added [ 57.303609][ T8154] device hsr_slave_0 entered promiscuous mode [ 57.351943][ T8154] device hsr_slave_1 entered promiscuous mode [ 57.391676][ T8154] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.419056][ T8159] chnl_net:caif_netlink_parms(): no params data found [ 57.469161][ T8157] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.477433][ T8157] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.487204][ T8157] device bridge_slave_0 entered promiscuous mode [ 57.497177][ T8157] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.504392][ T8157] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.512247][ T8157] device bridge_slave_1 entered promiscuous mode [ 57.579297][ T8157] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.589244][ T8154] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.644200][ T8154] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.695686][ T8154] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.746752][ T8154] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.800434][ T8157] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.819316][ T8159] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.826753][ T8159] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.834955][ T8159] device bridge_slave_0 entered promiscuous mode [ 57.843008][ T8159] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.850069][ T8159] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.857966][ T8159] device bridge_slave_1 entered promiscuous mode [ 57.875211][ T8164] chnl_net:caif_netlink_parms(): no params data found [ 57.907102][ T8157] team0: Port device team_slave_0 added [ 57.948245][ T8164] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.955523][ T8164] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.963832][ T8164] device bridge_slave_0 entered promiscuous mode [ 57.974005][ T8159] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.984647][ T8157] team0: Port device team_slave_1 added [ 57.991204][ T8159] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.018933][ T8164] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.026477][ T8164] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.034819][ T8164] device bridge_slave_1 entered promiscuous mode [ 58.056500][ T8164] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.067907][ T8159] team0: Port device team_slave_0 added [ 58.074119][ T8162] chnl_net:caif_netlink_parms(): no params data found [ 58.089062][ T8164] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.110179][ T8159] team0: Port device team_slave_1 added [ 58.164864][ T8159] device hsr_slave_0 entered promiscuous mode [ 58.202420][ T8159] device hsr_slave_1 entered promiscuous mode [ 58.261736][ T8159] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.304145][ T8157] device hsr_slave_0 entered promiscuous mode [ 58.341953][ T8157] device hsr_slave_1 entered promiscuous mode [ 58.391771][ T8157] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.442368][ T8164] team0: Port device team_slave_0 added [ 58.448607][ T8162] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.455952][ T8162] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.465018][ T8162] device bridge_slave_0 entered promiscuous mode [ 58.473472][ T8162] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.480534][ T8162] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.488936][ T8162] device bridge_slave_1 entered promiscuous mode [ 58.508459][ T8151] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.518027][ T8164] team0: Port device team_slave_1 added [ 58.538258][ T8162] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.561156][ T8162] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.585927][ T8162] team0: Port device team_slave_0 added [ 58.593853][ T8162] team0: Port device team_slave_1 added [ 58.599677][ T8159] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.643337][ T8159] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.686853][ T8159] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.766656][ T8159] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.835867][ T8151] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.893465][ T8162] device hsr_slave_0 entered promiscuous mode [ 58.922064][ T8162] device hsr_slave_1 entered promiscuous mode [ 58.962703][ T8162] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.972442][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.980799][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.043353][ T8164] device hsr_slave_0 entered promiscuous mode [ 59.091980][ T8164] device hsr_slave_1 entered promiscuous mode [ 59.131680][ T8164] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.139345][ T8157] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 59.215297][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.225315][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.233939][ T8165] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.241073][ T8165] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.249031][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.258367][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.266783][ T8165] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.273861][ T8165] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.283719][ T8165] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.294918][ T8157] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 59.343771][ T8157] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 59.403783][ T8157] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 59.469050][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.480597][ T8162] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.514996][ T8162] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.565680][ T8162] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.616632][ T8162] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.676897][ T8154] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.683783][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.704044][ T8164] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.752373][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.764744][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.775259][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.784394][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.792911][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.801191][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.809611][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.818157][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.827010][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.840584][ T8151] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.851906][ T8164] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.894167][ T8164] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.937755][ T8154] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.954503][ T8164] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 60.003700][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.011358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.019496][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.028776][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.037266][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.044357][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.052302][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.060758][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.069619][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.076758][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.086052][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.119478][ T8151] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.141950][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.150516][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.158841][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.167278][ T3959] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 60.219313][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 60.228540][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 60.238548][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 60.248188][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 60.257125][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 60.265665][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 60.274303][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.282705][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.291034][ T3956] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 60.301449][ T8154] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 60.312623][ T8157] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.333035][ T8159] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.375914][ T8162] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.419922][ T8164] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.446975][ T8164] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.488008][ T8164] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.500173][ T8164] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.537883][ T8164] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.391481][ C1] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 165.398496][ C1] (detected by 1, t=10502 jiffies, g=6285, q=464) [ 165.404985][ C1] rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294953685-4294943182), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 165.418332][ C1] syz-executor.0 R running task 24464 8151 8150 0x0000400a [ 165.426327][ C1] Call Trace: [ 165.429598][ C1] [ 165.432444][ C1] sched_show_task+0x40f/0x560 [ 165.437203][ C1] rcu_sched_clock_irq+0x1861/0x1ad0 [ 165.442485][ C1] update_process_times+0x12d/0x180 [ 165.447679][ C1] tick_sched_timer+0x263/0x420 [ 165.452517][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.458052][ C1] __hrtimer_run_queues+0x403/0x840 [ 165.463252][ C1] hrtimer_interrupt+0x38c/0xda0 [ 165.468196][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.473474][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 165.479007][ C1] apic_timer_interrupt+0xf/0x20 [ 165.483925][ C1] [ 165.486854][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 165.492922][ C1] 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 74 25 cd 07 48 89 de e8 64 02 3b 00 5b 5d c3 cc <48> 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 [ 165.512518][ C1] RSP: 0018:ffffc90002047730 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.521003][ C1] RAX: 1ffffd4000545357 RBX: 0000000000000000 RCX: ffff88809ee0a5c0 [ 165.528970][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a29a80 [ 165.536931][ C1] RBP: ffffc90002047758 R08: dffffc0000000000 R09: fffffbfff120248a [ 165.544977][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 165.552935][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a791f3e8 [ 165.560916][ C1] ? mod_memcg_page_state+0x123/0x190 [ 165.566277][ C1] free_thread_stack+0x168/0x590 [ 165.571204][ C1] put_task_stack+0xa3/0x130 [ 165.575799][ C1] finish_task_switch+0x3f1/0x550 [ 165.580822][ C1] __schedule+0x9a8/0xcc0 [ 165.585147][ C1] ? ___preempt_schedule+0x16/0x18 [ 165.590265][ C1] preempt_schedule+0xdb/0x120 [ 165.595027][ C1] ___preempt_schedule+0x16/0x18 [ 165.599953][ C1] _raw_spin_unlock+0x3a/0x40 [ 165.604620][ C1] copy_page_range+0x2487/0x29a0 [ 165.609577][ C1] ? __vma_link_rb+0x839/0x860 [ 165.614336][ C1] dup_mmap+0xa01/0xe00 [ 165.618504][ C1] dup_mm+0x9e/0x340 [ 165.622387][ C1] copy_process+0x1e49/0x5510 [ 165.627074][ C1] _do_fork+0x13e/0x660 [ 165.631220][ C1] ? check_preemption_disabled+0xb4/0x260 [ 165.636927][ C1] ? debug_smp_processor_id+0x9/0x20 [ 165.642202][ C1] ? debug_smp_processor_id+0x1c/0x20 [ 165.647565][ C1] __x64_sys_clone+0x20b/0x250 [ 165.652327][ C1] do_syscall_64+0xf7/0x1c0 [ 165.656818][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.662698][ C1] RIP: 0033:0x458c4a [ 165.666578][ C1] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 165.686167][ C1] RSP: 002b:00007ffeda336cc0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 165.694566][ C1] RAX: ffffffffffffffda RBX: 00007ffeda336cc0 RCX: 0000000000458c4a [ 165.702523][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 165.710482][ C1] RBP: 00007ffeda336d00 R08: 0000000000000001 R09: 0000000000e31940 [ 165.718442][ C1] R10: 0000000000e31c10 R11: 0000000000000246 R12: 0000000000000001 [ 165.726487][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 00007ffeda336d50 [ 165.734473][ C1] rcu: rcu_preempt kthread starved for 10536 jiffies! g6285 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.745555][ C1] rcu: RCU grace-period kthread stack dump: [ 165.751433][ C1] rcu_preempt R running task 28992 10 2 0x80004000 [ 165.759321][ C1] Call Trace: [ 165.762602][ C1] __schedule+0x9a0/0xcc0 [ 165.766928][ C1] schedule+0x181/0x210 [ 165.771072][ C1] schedule_timeout+0x14f/0x240 [ 165.775920][ C1] ? run_local_timers+0x120/0x120 [ 165.780948][ C1] rcu_gp_kthread+0xed8/0x1770 [ 165.785729][ C1] kthread+0x332/0x350 [ 165.789812][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 165.794909][ C1] ? kthread_blkcg+0xe0/0xe0 [ 165.799490][ C1] ret_from_fork+0x24/0x30