[ 42.099387][ T23] audit: type=1800 audit(1575385600.135:27): pid=7941 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.123114][ T23] audit: type=1800 audit(1575385600.135:28): pid=7941 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. [ 42.840905][ T23] audit: type=1800 audit(1575385600.945:29): pid=7941 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.860432][ T23] audit: type=1800 audit(1575385600.945:30): pid=7941 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 '10.128.0.234' (ECDSA) to the list of known hosts. 2019/12/03 15:06:49 fuzzer started 2019/12/03 15:06:51 dialing manager at 10.128.0.26:45711 2019/12/03 15:06:51 syscalls: 2689 2019/12/03 15:06:51 code coverage: enabled 2019/12/03 15:06:51 comparison tracing: enabled 2019/12/03 15:06:51 extra coverage: extra coverage is not supported by the kernel 2019/12/03 15:06:51 setuid sandbox: enabled 2019/12/03 15:06:51 namespace sandbox: enabled 2019/12/03 15:06:51 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 15:06:51 fault injection: enabled 2019/12/03 15:06:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 15:06:51 net packet injection: enabled 2019/12/03 15:06:51 net device setup: enabled 2019/12/03 15:06:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 15:06:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 15:06:52 executing program 0: r0 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r0, 0x1000008912, &(0x7f00000000c0)="0800a1695e1dcfe87b1071") sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x50000000000, &(0x7f0000000080)={&(0x7f00000000c0)=ANY=[@ANYBLOB="7c000000200007050200003242ed5404567c1abf", @ANYRES32, @ANYBLOB="00000060ffffffff000000f20a000100636f64656c00fdff4b000200080005000000000008000200000000000800050000000000080003000000000008000500000081ee070004000000000008000200000000000800010000000000a802040000000000"], 0x7c}}, 0x0) r1 = socket(0x10, 0x3, 0x0) sendmmsg$alg(r1, &(0x7f0000000140), 0x4924b68, 0x0) 15:06:53 executing program 1: socket(0x200000000010, 0x2, 0x0) mkdir(&(0x7f0000000b00)='./file0\x00', 0x0) lgetxattr(0x0, 0x0, 0x0, 0x0) ioctl$DRM_IOCTL_IRQ_BUSID(0xffffffffffffffff, 0xc0106403, &(0x7f0000000240)={0x0, 0x0, 0x0, 0x3f}) mount(0x0, &(0x7f0000000180)='./file0\x00', &(0x7f0000000700)='rpc_pipefs\x00', 0x0, 0x0) 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_config_ext, 0x200}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$tipc2(&(0x7f0000000540)='TIPCv2\x00') syz_open_dev$midi(&(0x7f0000000380)='/dev/midi#\x00', 0x3, 0x1) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, &(0x7f0000000340)={@loopback, @initdev}, &(0x7f0000000900)=0xc) add_key(0x0, &(0x7f0000000480)={'syz', 0x2}, 0x0, 0x0, 0xfffffffffffffffe) socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000440)) ioctl$PERF_EVENT_IOC_ENABLE(0xffffffffffffffff, 0x8912, 0x400200) write$9p(0xffffffffffffffff, &(0x7f0000000200)="6074718d3635db885481d318f746eed89da68d6a6402", 0x16) openat$uhid(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/uhid\x00', 0x802, 0x0) getsockopt$inet_sctp6_SCTP_DEFAULT_SEND_PARAM(0xffffffffffffffff, 0x84, 0xa, 0x0, 0x0) request_key(0x0, &(0x7f00000005c0)={'syz', 0x0}, 0x0, 0xffffffffffffffff) clone(0x103, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) perf_event_open(&(0x7f0000000000)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x200000000, 0x2}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mount(0x0, &(0x7f0000000500)='./file0\x00', &(0x7f00000002c0)='nfs\x00\xef\xf1a\x17\x12\x9e\xd0Y\x8a\xa8\xd4', 0x700, &(0x7f0000000000)) socket(0x1, 0x5, 0x0) ioctl$VIDIOC_SUBDEV_ENUM_FRAME_INTERVAL(0xffffffffffffffff, 0xc040564b, 0x0) clone(0x0, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) getrandom(&(0x7f0000000b40)=""/4096, 0x1000, 0x0) r0 = syz_open_procfs(0x0, 0x0) setsockopt$inet6_MCAST_LEAVE_GROUP(r0, 0x29, 0x2d, &(0x7f0000000600)={0xcadd, {{0xa, 0x0, 0x1, @dev={0xfe, 0x80, [], 0x20}, 0x4}}}, 0x88) syzkaller login: [ 54.912934][ T8108] IPVS: ftp: loaded support on port[0] = 21 [ 55.071905][ T8108] chnl_net:caif_netlink_parms(): no params data found 15:06:53 executing program 2: socketpair$unix(0x1, 0x2, 0x0, &(0x7f00000001c0)={0xffffffffffffffff, 0xffffffffffffffff}) r2 = fcntl$dupfd(r1, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r2, 0x8912, 0x400200) unshare(0x2040400) r3 = socket$inet6(0xa, 0x5, 0x0) getsockopt$inet_sctp6_SCTP_ASSOCINFO(r3, 0x84, 0x1, 0x0, &(0x7f0000000040)) [ 55.132760][ T8111] IPVS: ftp: loaded support on port[0] = 21 [ 55.148199][ T8108] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.161694][ T8108] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.170562][ T8108] device bridge_slave_0 entered promiscuous mode [ 55.193690][ T8108] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.206854][ T8108] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.226157][ T8108] device bridge_slave_1 entered promiscuous mode [ 55.299467][ T8108] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.327451][ T8108] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 15:06:53 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000040)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) bpf$PROG_LOAD(0x5, &(0x7f000000e000)={0x1, 0x4, &(0x7f0000000040)=@framed={{0xffffffb4, 0x5, 0x0, 0x0, 0x0, 0x71, 0x10, 0x4}, [@ldst={0x6, 0x0, 0x2}]}, &(0x7f0000003ff6)='G\x00', 0x5, 0xfd90, &(0x7f000000cf3d)=""/195, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x0, 0x10, &(0x7f0000000000), 0x1dd}, 0x48) [ 55.374190][ T8108] team0: Port device team_slave_0 added [ 55.387606][ T8108] team0: Port device team_slave_1 added [ 55.398270][ T8113] IPVS: ftp: loaded support on port[0] = 21 [ 55.460342][ T8108] device hsr_slave_0 entered promiscuous mode [ 55.516891][ T8108] device hsr_slave_1 entered promiscuous mode 15:06:53 executing program 4: r0 = socket$inet6_udp(0xa, 0x2, 0x0) r1 = socket$l2tp(0x18, 0x1, 0x1) connect$l2tp(r1, &(0x7f0000000100)=@pppol2tpv3={0x18, 0x1, {0x0, r0, {0x2, 0x0, @multicast2}, 0x4}}, 0x2e) sendto$inet6(r0, 0x0, 0x0, 0x8000, &(0x7f0000000040)={0xa, 0x4e22, 0x0, @local}, 0x1c) sendmmsg(r0, &(0x7f0000000080), 0x400000000000124, 0x0) [ 55.652953][ T8115] IPVS: ftp: loaded support on port[0] = 21 [ 55.741241][ T8111] chnl_net:caif_netlink_parms(): no params data found 15:06:53 executing program 5: r0 = socket$inet(0x2, 0x4000020000000001, 0x0) socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={0xffffffffffffffff}) io_setup(0x7, &(0x7f0000000140)=0x0) io_submit(r2, 0x1, &(0x7f0000000040)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, r1, 0x0}]) io_getevents(r2, 0x0, 0x11, &(0x7f0000000400), 0x0) io_submit(r2, 0x1, &(0x7f00000018c0)=[&(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, 0x0, r0, 0x0}]) [ 55.786965][ T8108] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.859228][ T8108] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.938892][ T8108] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.998192][ T8108] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.072551][ T8120] IPVS: ftp: loaded support on port[0] = 21 [ 56.082344][ T8118] IPVS: ftp: loaded support on port[0] = 21 [ 56.155991][ T8111] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.164023][ T8111] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.171913][ T8111] device bridge_slave_0 entered promiscuous mode [ 56.181180][ T8111] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.188334][ T8111] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.195967][ T8111] device bridge_slave_1 entered promiscuous mode [ 56.227977][ T8111] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.241785][ T8113] chnl_net:caif_netlink_parms(): no params data found [ 56.261064][ T8111] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.307161][ T8111] team0: Port device team_slave_0 added [ 56.330287][ T8113] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.337897][ T8113] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.345553][ T8113] device bridge_slave_0 entered promiscuous mode [ 56.355969][ T8111] team0: Port device team_slave_1 added [ 56.382867][ T8113] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.390497][ T8113] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.398540][ T8113] device bridge_slave_1 entered promiscuous mode [ 56.414318][ T8113] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.438678][ T8115] chnl_net:caif_netlink_parms(): no params data found [ 56.448017][ T8113] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.487755][ T8111] device hsr_slave_0 entered promiscuous mode [ 56.526383][ T8111] device hsr_slave_1 entered promiscuous mode [ 56.586189][ T8111] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.691892][ T8113] team0: Port device team_slave_0 added [ 56.701762][ T8113] team0: Port device team_slave_1 added [ 56.737850][ T8118] chnl_net:caif_netlink_parms(): no params data found [ 56.752298][ T8115] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.759520][ T8115] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.767263][ T8115] device bridge_slave_0 entered promiscuous mode [ 56.774456][ T8111] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.858755][ T8113] device hsr_slave_0 entered promiscuous mode [ 56.906393][ T8113] device hsr_slave_1 entered promiscuous mode [ 56.946308][ T8113] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.962564][ T8120] chnl_net:caif_netlink_parms(): no params data found [ 56.979051][ T8115] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.986234][ T8115] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.993779][ T8115] device bridge_slave_1 entered promiscuous mode [ 57.001042][ T8111] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.057739][ T8111] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.111666][ T8111] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.200612][ T8115] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.210144][ T8118] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.217570][ T8118] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.225147][ T8118] device bridge_slave_0 entered promiscuous mode [ 57.232890][ T8118] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.240032][ T8118] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.247693][ T8118] device bridge_slave_1 entered promiscuous mode [ 57.262560][ T8108] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.272886][ T8115] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.301451][ T8120] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.308951][ T8120] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.317033][ T8120] device bridge_slave_0 entered promiscuous mode [ 57.338554][ T8115] team0: Port device team_slave_0 added [ 57.345649][ T8118] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.355376][ T8120] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.362905][ T8120] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.371051][ T8120] device bridge_slave_1 entered promiscuous mode [ 57.391813][ T8115] team0: Port device team_slave_1 added [ 57.404168][ T8118] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.420352][ T8113] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.471866][ T8120] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.483238][ T8120] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.497084][ T8108] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.509839][ T8118] team0: Port device team_slave_0 added [ 57.518867][ T8118] team0: Port device team_slave_1 added [ 57.527657][ T8113] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.592187][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.600421][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.668624][ T8118] device hsr_slave_0 entered promiscuous mode [ 57.726444][ T8118] device hsr_slave_1 entered promiscuous mode [ 57.776195][ T8118] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.789435][ T8113] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.851982][ T8113] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.908528][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.917807][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.926190][ T2868] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.933352][ T2868] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.941589][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.950214][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.958597][ T2868] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.965705][ T2868] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.973631][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.992057][ T8120] team0: Port device team_slave_0 added [ 58.003664][ T8120] team0: Port device team_slave_1 added [ 58.047886][ T8115] device hsr_slave_0 entered promiscuous mode [ 58.096516][ T8115] device hsr_slave_1 entered promiscuous mode [ 58.136236][ T8115] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.170358][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.179171][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.187658][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.195959][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.204936][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.227503][ T8118] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.268966][ T8118] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.330933][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.340215][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.349411][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.357951][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.367052][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.375399][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.383706][ T8118] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.498495][ T8120] device hsr_slave_0 entered promiscuous mode [ 58.526416][ T8120] device hsr_slave_1 entered promiscuous mode [ 58.576148][ T8120] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.603578][ T8115] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.668176][ T8118] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.709190][ T8108] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.727093][ T8115] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.759892][ T8115] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.821416][ T8115] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.884103][ T8111] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.917581][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.925018][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.940454][ T8111] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.952091][ T8108] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.977685][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.985367][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.995845][ T8113] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.007406][ T8120] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.059484][ T8120] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.112429][ T8120] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.159089][ T8120] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.209133][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.219742][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.229559][ T17] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.236635][ T17] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.244708][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.253687][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.262193][ T17] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.269378][ T17] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.283683][ T8113] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.298470][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.317061][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.324879][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.338724][ T2868] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.373084][ T8111] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 59.384635][ T8111] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.421566][ T8111] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 164.436012][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.442785][ C0] rcu: 0-...!: (1 GPs behind) idle=2f6/1/0x4000000000000002 softirq=10260/10261 fqs=37 [ 164.452725][ C0] (t=10501 jiffies g=6133 q=264) [ 164.457736][ C0] rcu: rcu_preempt kthread starved for 10428 jiffies! g6133 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 164.468815][ C0] rcu: RCU grace-period kthread stack dump: [ 164.474688][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 164.482580][ C0] Call Trace: [ 164.485863][ C0] __schedule+0x9a0/0xcc0 [ 164.490192][ C0] schedule+0x181/0x210 [ 164.494335][ C0] schedule_timeout+0x14f/0x240 [ 164.499176][ C0] ? run_local_timers+0x120/0x120 [ 164.504192][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.508948][ C0] kthread+0x332/0x350 [ 164.513002][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.518100][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.522674][ C0] ret_from_fork+0x24/0x30 [ 164.527089][ C0] NMI backtrace for cpu 0 [ 164.531404][ C0] CPU: 0 PID: 8079 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 164.538837][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.548928][ C0] Call Trace: [ 164.552195][ C0] [ 164.555030][ C0] dump_stack+0x1fb/0x318 [ 164.559352][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.564185][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.570322][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.576376][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.582349][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.588227][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.593330][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.598517][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.603531][ C0] update_process_times+0x12d/0x180 [ 164.608720][ C0] tick_sched_timer+0x263/0x420 [ 164.613556][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.619085][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.624283][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.629225][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.634496][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.640027][ C0] apic_timer_interrupt+0xf/0x20 [ 164.644949][ C0] [ 164.647875][ C0] RIP: 0010:__memcg_kmem_uncharge+0x2e/0x2e0 [ 164.653840][ C0] Code: 41 57 41 56 41 55 41 54 53 50 89 f3 49 89 fc 48 b8 00 00 00 00 00 fc ff df 4c 8d 77 38 4d 89 f5 49 c1 ed 03 41 80 7c 05 00 00 <74> 08 4c 89 f7 e8 d8 f4 fa ff 4d 8b 3e b8 01 00 00 00 89 d9 d3 e0 [ 164.673429][ C0] RSP: 0018:ffffc90001dc7908 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.681824][ C0] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: ffff88808fc14640 [ 164.689779][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024b9900 [ 164.697736][ C0] RBP: ffffc90001dc7938 R08: 000000000003a768 R09: ffffed1012a5c6e7 [ 164.705693][ C0] R10: ffffed1012a5c6e7 R11: 0000000000000000 R12: ffffea00024b9900 [ 164.713651][ C0] R13: 1ffffd4000497327 R14: ffffea00024b9938 R15: ffff8880952e3728 [ 164.721629][ C0] ? free_thread_stack+0x124/0x590 [ 164.726725][ C0] free_thread_stack+0x12e/0x590 [ 164.731649][ C0] put_task_stack+0xa3/0x130 [ 164.736225][ C0] finish_task_switch+0x3f1/0x550 [ 164.741242][ C0] __schedule+0x9a8/0xcc0 [ 164.745563][ C0] preempt_schedule_irq+0xc1/0x140 [ 164.750662][ C0] retint_kernel+0x1b/0x2b [ 164.755061][ C0] RIP: 0010:tomoyo_path2_perm+0x73b/0x9d0 [ 164.760789][ C0] Code: 9d d0 fe ff ff 48 89 d8 48 c1 e8 03 48 b9 00 00 00 00 00 fc ff df 80 3c 08 00 74 08 48 89 df e8 0b 80 5c fe 4c 8b 03 4c 89 ef <48> c7 c6 45 42 c8 88 4c 89 fa 4c 89 f1 31 c0 e8 a1 cb fd ff 83 f8 [ 164.780455][ C0] RSP: 0018:ffffc90001dc7b90 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.788997][ C0] RAX: 1ffff920003b8f82 RBX: ffffc90001dc7c10 RCX: dffffc0000000000 [ 164.796964][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffc90001dc7bc0 [ 164.804939][ C0] RBP: ffffc90001dc7d10 R08: ffff88809eff3080 R09: ffffed1012989fda [ 164.812921][ C0] R10: ffffed1012989fda R11: 0000000000000000 R12: 1ffff920003b8f7c [ 164.820898][ C0] R13: ffffc90001dc7bc0 R14: ffff8880981ea980 R15: ffffffff88c5c6d4 [ 164.828929][ C0] tomoyo_path_rename+0xec/0x110 [ 164.833981][ C0] security_path_rename+0x211/0x2d0 [ 164.839196][ C0] do_renameat2+0x94d/0xff0 [ 164.843727][ C0] __x64_sys_rename+0x68/0x80 [ 164.848415][ C0] do_syscall_64+0xf7/0x1c0 [ 164.852923][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 164.858807][ C0] RIP: 0033:0x7f8094130527 [ 164.863218][ 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 [ 164.882947][ C0] RSP: 002b:00007ffe86d7ef18 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 164.891365][ C0] RAX: ffffffffffffffda RBX: 00000000017230c0 RCX: 00007f8094130527 [ 164.899339][ C0] RDX: 00007f8094461e98 RSI: 00007ffe86d7ef50 RDI: 00007ffe86d7f350 [ 164.907311][ C0] RBP: 000000000172c7b0 R08: 00007f8094aa37a0 R09: 0000000000000001 [ 164.915293][ C0] R10: 0000000000000001 R11: 0000000000000246 R12: 0000000001724aa0 [ 164.923373][ C0] R13: 0000000001713250 R14: 00007ffe86d7ef50 R15: 0000000000000000