[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 53.699230][ T25] kauditd_printk_skb: 8 callbacks suppressed [ 53.699246][ T25] audit: type=1800 audit(1573839968.732:29): pid=7472 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2465 res=0 [ 53.726828][ T25] audit: type=1800 audit(1573839968.742:30): pid=7472 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2456 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.147' (ECDSA) to the list of known hosts. 2019/11/15 17:46:18 fuzzer started 2019/11/15 17:46:19 dialing manager at 10.128.0.105:44219 2019/11/15 17:46:20 syscalls: 2566 2019/11/15 17:46:20 code coverage: enabled 2019/11/15 17:46:20 comparison tracing: enabled 2019/11/15 17:46:20 extra coverage: extra coverage is not supported by the kernel 2019/11/15 17:46:20 setuid sandbox: enabled 2019/11/15 17:46:20 namespace sandbox: enabled 2019/11/15 17:46:20 Android sandbox: /sys/fs/selinux/policy does not exist 2019/11/15 17:46:20 fault injection: enabled 2019/11/15 17:46:20 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/11/15 17:46:20 net packet injection: enabled 2019/11/15 17:46:20 net device setup: enabled 2019/11/15 17:46:20 concurrency sanitizer: enabled 2019/11/15 17:46:20 devlink PCI setup: PCI device 0000:00:10.0 is not available 2019/11/15 17:46:23 adding functions to KCSAN blacklist: 'tomoyo_supervisor' 'pid_update_inode' 'vm_area_dup' 'do_syslog' 'timer_clear_idle' 'ep_poll' 'tick_do_update_jiffies64' 'tcp_add_backlog' 'alloc_empty_file' 'tick_sched_do_timer' 'tick_nohz_idle_stop_tick' 'find_next_bit' '__rb_rotate_set_parents' 'pcpu_alloc' 'common_perm_cond' '__hrtimer_run_queues' 'ep_insert' 'pipe_poll' 'mod_timer' 'run_timer_softirq' '__rb_insert_augmented' 'generic_fillattr' 'generic_permission' 'rcu_gp_fqs_check_wake' 'add_timer' 'pipe_wait' '__ext4_new_inode' 17:46:24 executing program 0: r0 = socket$inet6(0xa, 0x5, 0x0) bind$inet6(r0, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) listen(r0, 0x103) r1 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r1, 0x84, 0x6b, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) write(r1, &(0x7f0000000100), 0x14088) r2 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r2, 0x84, 0x6b, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) write(r2, &(0x7f0000000100), 0x14088) r3 = socket$inet6_sctp(0xa, 0x1, 0x84) setsockopt$inet_sctp6_SCTP_SOCKOPT_CONNECTX_OLD(r3, 0x84, 0x6b, &(0x7f0000000000)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) write(r3, &(0x7f0000000100), 0x14088) r4 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl(r4, 0x1000008912, &(0x7f00000000c0)="0800b5055e0bcfe87b0071") close(r0) 17:46:24 executing program 1: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000015000/0x18000)=nil, &(0x7f0000000180)=[@text16={0x10, &(0x7f0000000040)="baa000ec3e3e3e0f2b75ee65f30f008f6300a6aff4660f3a62227d0f20e06635000040000f22e0260f0350000f01cf", 0x2f}], 0x1, 0x0, 0x0, 0x238) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) io_submit(0x0, 0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0x0, 0xffffffffffffffff, 0x0) accept4$alg(0xffffffffffffffff, 0x0, 0x0, 0x0) r2 = 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}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) fcntl$setstatus(r2, 0x4, 0x3800) poll(&(0x7f00000005c0)=[{}, {}, {}, {0xffffffffffffffff, 0x300}, {}], 0x5, 0x2) perf_event_open(&(0x7f000001d000)={0x0, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10001, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_genetlink_get_family_id$nbd(&(0x7f0000000080)='nbd\x00') r3 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil}) openat$full(0xffffffffffffff9c, &(0x7f0000000000)='/dev/full\x00', 0x0, 0x0) ioctl$KVM_SET_REGS(r3, 0x4090ae82, &(0x7f00000001c0)={[0x0, 0x0, 0x0, 0x0, 0x1000, 0x0, 0x4cb]}) ioctl$KVM_RUN(r3, 0xae80, 0x0) ioctl$KVM_IRQ_LINE_STATUS(r1, 0xc008ae67, &(0x7f0000000280)={0xc, 0xba8e}) ioctl$KVM_RUN(r3, 0xae80, 0x0) syzkaller login: [ 69.456765][ T7641] IPVS: ftp: loaded support on port[0] = 21 [ 69.545069][ T7641] chnl_net:caif_netlink_parms(): no params data found [ 69.595181][ T7641] bridge0: port 1(bridge_slave_0) entered blocking state [ 69.611459][ T7641] bridge0: port 1(bridge_slave_0) entered disabled state [ 69.641067][ T7641] device bridge_slave_0 entered promiscuous mode [ 69.648574][ T7641] bridge0: port 2(bridge_slave_1) entered blocking state [ 69.661055][ T7641] bridge0: port 2(bridge_slave_1) entered disabled state [ 69.668757][ T7641] device bridge_slave_1 entered promiscuous mode [ 69.685817][ T7644] IPVS: ftp: loaded support on port[0] = 21 [ 69.701576][ T7641] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link 17:46:24 executing program 2: setgroups(0x4000000000000252, 0xffffffffffffffff) [ 69.734063][ T7641] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 69.783230][ T7641] team0: Port device team_slave_0 added [ 69.789864][ T7641] team0: Port device team_slave_1 added [ 69.805934][ T7644] chnl_net:caif_netlink_parms(): no params data found [ 69.893527][ T7641] device hsr_slave_0 entered promiscuous mode [ 69.931359][ T7641] device hsr_slave_1 entered promiscuous mode 17:46:25 executing program 3: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000100)='/dev/kvm\x00', 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(r1, 0xffffffffffffffff, &(0x7f0000000000/0x18000)=nil, 0x0, 0x133, 0x0, 0x0, 0xff7d) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000000000)=[@textreal={0x8, &(0x7f0000000140)="660f3882bc4fd40f20c06635020000000f22c00f01caf30f1276d42e0f01c566b9800000c00f326635000400000f300fc73dbaf80c66b8beab658e66efbafc0cedc432baa100ec", 0x47}], 0x1, 0x0, 0x0, 0x0) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x6000, 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, 0x0, 0x200000000000df8}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r3 = perf_event_open(&(0x7f000001d000)={0x1, 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}}, 0x0, 0x0, 0xffffffffffffffff, 0x0) mmap(&(0x7f0000ffd000/0x3000)=nil, 0x3000, 0x0, 0x11, r3, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, 0x0, 0x10070, 0x40, 0x0, 0xfffffffffffffdd4) signalfd4(0xffffffffffffffff, &(0x7f0000000100), 0x302, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) [ 70.000636][ T7644] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.021067][ T7644] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.028993][ T7644] device bridge_slave_0 entered promiscuous mode [ 70.052090][ T7644] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.059193][ T7644] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.081814][ T7644] device bridge_slave_1 entered promiscuous mode [ 70.122093][ T7644] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.124137][ T7647] IPVS: ftp: loaded support on port[0] = 21 [ 70.169436][ T7644] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.250128][ T7644] team0: Port device team_slave_0 added [ 70.283649][ T7644] team0: Port device team_slave_1 added [ 70.305369][ T7649] IPVS: ftp: loaded support on port[0] = 21 [ 70.392911][ T7644] device hsr_slave_0 entered promiscuous mode [ 70.431282][ T7644] device hsr_slave_1 entered promiscuous mode [ 70.461021][ T7644] debugfs: Directory 'hsr0' with parent '/' already present! [ 70.686510][ T7647] chnl_net:caif_netlink_parms(): no params data found [ 70.943687][ T7647] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.950800][ T7647] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.012091][ T7647] device bridge_slave_0 entered promiscuous mode 17:46:26 executing program 4: r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000140)={&(0x7f0000000240)=@can_newroute={0x14c, 0x18, 0x1, 0x0, 0x0, {}, [@CGW_CS_CRC8={0x120, 0x6, {0x0, 0x0, 0x0, 0x0, 0x0, "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", 0x0, "9675172bf2a2cda2b3d6d03e09cbcb3f1f560eca"}}, @CGW_MOD_SET={0x18, 0x4, {{{}, 0x0, 0x0, 0x0, 0x0, "34ed97b1d7be5b7e"}, 0x1}}]}, 0x4ff}}, 0x0) [ 71.061823][ T7647] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.068900][ T7647] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.151939][ T7647] device bridge_slave_1 entered promiscuous mode [ 71.204987][ T7649] chnl_net:caif_netlink_parms(): no params data found [ 71.256150][ T7647] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.334357][ T7647] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 71.424121][ T7649] bridge0: port 1(bridge_slave_0) entered blocking state [ 71.461037][ T7649] bridge0: port 1(bridge_slave_0) entered disabled state [ 71.468966][ T7649] device bridge_slave_0 entered promiscuous mode [ 71.543969][ T7647] team0: Port device team_slave_0 added [ 71.550737][ T7647] team0: Port device team_slave_1 added [ 71.601246][ T7649] bridge0: port 2(bridge_slave_1) entered blocking state [ 71.608332][ T7649] bridge0: port 2(bridge_slave_1) entered disabled state [ 71.651699][ T7649] device bridge_slave_1 entered promiscuous mode [ 71.716659][ T7697] IPVS: ftp: loaded support on port[0] = 21 [ 71.774039][ T7649] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 71.863153][ T7647] device hsr_slave_0 entered promiscuous mode [ 71.889974][ T7647] device hsr_slave_1 entered promiscuous mode [ 72.012931][ T7647] debugfs: Directory 'hsr0' with parent '/' already present! [ 72.025015][ T7649] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 72.081669][ T7] device bridge_slave_1 left promiscuous mode [ 72.088423][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 72.213727][ T7] device bridge_slave_0 left promiscuous mode [ 72.220033][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 72.393376][ T7] device hsr_slave_0 left promiscuous mode [ 72.441157][ T7] device hsr_slave_1 left promiscuous mode 17:46:27 executing program 5: r0 = creat(&(0x7f00000001c0)='./file0\x00', 0x0) write$cgroup_type(r0, &(0x7f00000009c0)='threaded\x00', 0x9) perf_event_open(&(0x7f0000000200)={0x2, 0x70, 0x41, 0x8001, 0x0, 0x0, 0x0, 0x0, 0x45e9b8f0a059fde4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) mount$fuseblk(0x0, 0x0, 0x0, 0x100000, 0xffffffffffffffff) link(&(0x7f0000000280)='./file0\x00', &(0x7f0000000140)='./file1\x00') rename(&(0x7f0000000100)='./file0\x00', &(0x7f0000000180)='./file0\x00') r1 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r1, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) ioctl$TCSETSF(r0, 0x5404, &(0x7f0000000040)={0x8, 0x6, 0x4, 0x3, 0x1a, 0x2, 0x8c, 0x40, 0x3, 0x6, 0x100, 0x81}) connect$inet6(r1, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet_tcp_TLS_RX(0xffffffffffffffff, 0x6, 0x2, &(0x7f0000000480)=@gcm_128={{0x303}, "4e6e55aa79c7f812", "95f307444f158ef8784b104698d6019b", "5db5c6ce", "4bc455be152642dd"}, 0x28) setsockopt$inet6_tcp_int(r1, 0x6, 0xc, &(0x7f00000000c0)=0x58, 0x4) ioctl$FS_IOC_FSSETXATTR(r1, 0x401c5820, &(0x7f0000000340)={0x1f, 0x2, 0x4, 0x9, 0xffffffff}) r2 = dup2(0xffffffffffffffff, 0xffffffffffffffff) ioctl$DRM_IOCTL_RES_CTX(r2, 0xc0106426, &(0x7f00000002c0)={0x1ffffffffffffe96, &(0x7f00000005c0)=[{}, {0x0}, {}, {}, {}, {}]}) setsockopt$inet6_opts(0xffffffffffffffff, 0x29, 0x39, &(0x7f0000000540)=ANY=[@ANYBLOB="89ed0000"], 0x10) creat(&(0x7f0000000500)='./file1\x00', 0x1) ioctl$DRM_IOCTL_GET_CTX(0xffffffffffffffff, 0xc0086423, &(0x7f0000000300)={r3, 0x1}) r4 = socket$inet6_tcp(0xa, 0x1, 0x0) setsockopt$inet6_tcp_int(r4, 0x6, 0x13, &(0x7f00000000c0)=0x100000001, 0x4) connect$inet6(r4, &(0x7f0000000180)={0xa, 0x0, 0x0, @loopback}, 0x1c) setsockopt$inet6_tcp_int(r4, 0x6, 0xc, &(0x7f00000000c0)=0x58, 0x4) pipe(&(0x7f00000004c0)={0xffffffffffffffff}) ioctl$PERF_EVENT_IOC_QUERY_BPF(r5, 0xc008240a, &(0x7f0000000640)=ANY=[@ANYBLOB="0a0000000000000000000000001700000000000000000000000000000000000000000000000000000000000000000000585e0d8a92415fb130de6728c0e3d2ca0492b6b22ec954a3afd9930eb36b1da81276a7b513c9c9fadc2db28e3b117b3717acae0f52b1d2d8623bf8dda1aa39a6e3504b4003da0a3d8fbcf4102785688c077ec910c4c0180f865d096964753801799753ac061a4c58951c76f18e321a3bc94cfbbc601f7a2a06c2447f06a0930f5d1952d4341a15aa00719a018c0dfb85c2d5f112b9061a5a69e214d93a743ad183afc8983351bb79a0d374ffe0196e942fed7abaf0fc6773fb8bb7b303cd922f919df0c2ec1308be3e7513d6e2c93544d32c469f"]) pipe2(&(0x7f0000000400)={0xffffffffffffffff, 0xffffffffffffffff}, 0xc0000) ioctl$TIOCGRS485(r6, 0x542e, &(0x7f0000000440)) ioctl$sock_inet6_tcp_SIOCINQ(r4, 0x541b, &(0x7f0000000080)) ioctl$DRM_IOCTL_SWITCH_CTX(r2, 0x40086424, &(0x7f0000000000)={r3, 0x4}) [ 72.498344][ T7] team0 (unregistering): Port device team_slave_1 removed [ 72.541084][ T7] team0 (unregistering): Port device team_slave_0 removed [ 72.597924][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 72.663735][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 72.777099][ T7] bond0 (unregistering): Released all slaves [ 72.889910][ T7702] IPVS: ftp: loaded support on port[0] = 21 [ 72.918948][ T7719] IPVS: ftp: loaded support on port[0] = 21 [ 72.945798][ T7649] team0: Port device team_slave_0 added [ 72.966320][ T7649] team0: Port device team_slave_1 added [ 73.022360][ T7710] IPVS: ftp: loaded support on port[0] = 21 [ 73.290538][ T7697] chnl_net:caif_netlink_parms(): no params data found [ 73.383219][ T7649] device hsr_slave_0 entered promiscuous mode [ 73.421350][ T7649] device hsr_slave_1 entered promiscuous mode [ 73.745296][ T7702] chnl_net:caif_netlink_parms(): no params data found [ 73.815486][ T7719] chnl_net:caif_netlink_parms(): no params data found [ 73.925706][ T7697] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.011045][ T7697] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.018896][ T7697] device bridge_slave_0 entered promiscuous mode [ 74.196686][ T7697] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.221078][ T7697] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.271158][ T7697] device bridge_slave_1 entered promiscuous mode [ 74.331414][ T7719] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.338519][ T7719] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.371583][ T7719] device bridge_slave_0 entered promiscuous mode [ 74.421455][ T7702] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.428570][ T7702] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.461822][ T7702] device bridge_slave_0 entered promiscuous mode [ 74.500801][ T7710] chnl_net:caif_netlink_parms(): no params data found [ 74.533253][ T7719] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.540319][ T7719] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.581718][ T7719] device bridge_slave_1 entered promiscuous mode [ 74.636085][ T7702] bridge0: port 2(bridge_slave_1) entered blocking state [ 74.643589][ T7702] bridge0: port 2(bridge_slave_1) entered disabled state [ 74.681496][ T7702] device bridge_slave_1 entered promiscuous mode [ 74.715785][ T7697] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.793103][ T7697] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 74.826958][ T7719] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.866841][ T7702] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 74.905702][ T7710] bridge0: port 1(bridge_slave_0) entered blocking state [ 74.931028][ T7710] bridge0: port 1(bridge_slave_0) entered disabled state [ 74.938729][ T7710] device bridge_slave_0 entered promiscuous mode [ 75.002709][ T7719] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.046820][ T7702] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.071037][ T7710] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.081320][ T7710] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.104026][ T7710] device bridge_slave_1 entered promiscuous mode [ 75.140009][ T7697] team0: Port device team_slave_0 added [ 75.189264][ T7771] IPVS: ftp: loaded support on port[0] = 21 [ 75.205010][ T7697] team0: Port device team_slave_1 added [ 75.221325][ T7719] team0: Port device team_slave_0 added [ 75.231667][ T7702] team0: Port device team_slave_0 added [ 75.239114][ T7702] team0: Port device team_slave_1 added [ 75.288964][ T7719] team0: Port device team_slave_1 added [ 75.299876][ T7710] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 75.403305][ T7697] device hsr_slave_0 entered promiscuous mode [ 75.454690][ T7697] device hsr_slave_1 entered promiscuous mode [ 75.501066][ T7697] debugfs: Directory 'hsr0' with parent '/' already present! [ 75.518658][ T7710] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 75.583279][ T7719] device hsr_slave_0 entered promiscuous mode [ 75.601397][ T7719] device hsr_slave_1 entered promiscuous mode [ 75.641023][ T7719] debugfs: Directory 'hsr0' with parent '/' already present! [ 75.693289][ T7702] device hsr_slave_0 entered promiscuous mode [ 75.745068][ T7702] device hsr_slave_1 entered promiscuous mode [ 75.784003][ T7702] debugfs: Directory 'hsr0' with parent '/' already present! [ 75.801523][ T7710] team0: Port device team_slave_0 added [ 75.810197][ T7710] team0: Port device team_slave_1 added [ 75.845967][ T7777] IPVS: ftp: loaded support on port[0] = 21 [ 75.876559][ T7710] device hsr_slave_0 entered promiscuous mode [ 75.915421][ T7710] device hsr_slave_1 entered promiscuous mode [ 75.961038][ T7710] debugfs: Directory 'hsr0' with parent '/' already present! [ 76.149900][ T7771] chnl_net:caif_netlink_parms(): no params data found [ 76.554872][ T7771] bridge0: port 1(bridge_slave_0) entered blocking state [ 76.604881][ T7771] bridge0: port 1(bridge_slave_0) entered disabled state [ 76.645457][ T7771] device bridge_slave_0 entered promiscuous mode [ 76.705300][ T7777] chnl_net:caif_netlink_parms(): no params data found [ 76.792781][ T7771] bridge0: port 2(bridge_slave_1) entered blocking state [ 76.799924][ T7771] bridge0: port 2(bridge_slave_1) entered disabled state [ 76.851942][ T7771] device bridge_slave_1 entered promiscuous mode [ 77.026838][ T7777] bridge0: port 1(bridge_slave_0) entered blocking state [ 77.061023][ T7777] bridge0: port 1(bridge_slave_0) entered disabled state [ 77.068875][ T7777] device bridge_slave_0 entered promiscuous mode [ 77.113011][ T7771] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.146799][ T7771] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.196833][ T7777] bridge0: port 2(bridge_slave_1) entered blocking state [ 77.211036][ T7777] bridge0: port 2(bridge_slave_1) entered disabled state [ 77.218838][ T7777] device bridge_slave_1 entered promiscuous mode [ 77.360168][ T7771] team0: Port device team_slave_0 added [ 77.415546][ T7777] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 77.462648][ T7777] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 77.521923][ T7771] team0: Port device team_slave_1 added [ 77.659154][ T7771] device hsr_slave_0 entered promiscuous mode [ 77.761346][ T7771] device hsr_slave_1 entered promiscuous mode [ 77.821073][ T7771] debugfs: Directory 'hsr0' with parent '/' already present! [ 77.836313][ T7777] team0: Port device team_slave_0 added [ 77.866242][ T7834] IPVS: ftp: loaded support on port[0] = 21 [ 77.912079][ T7777] team0: Port device team_slave_1 added [ 77.988185][ T7836] IPVS: ftp: loaded support on port[0] = 21 [ 78.193510][ T7777] device hsr_slave_0 entered promiscuous mode [ 78.241319][ T7777] device hsr_slave_1 entered promiscuous mode [ 78.285668][ T7777] debugfs: Directory 'hsr0' with parent '/' already present! [ 78.340584][ T7838] IPVS: ftp: loaded support on port[0] = 21 [ 78.411154][ T7839] IPVS: ftp: loaded support on port[0] = 21 [ 78.414368][ T7] device bridge_slave_1 left promiscuous mode [ 78.451281][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.525944][ T7] device bridge_slave_0 left promiscuous mode [ 78.532318][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.572408][ T7] device bridge_slave_1 left promiscuous mode [ 78.578678][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.661456][ T7] device bridge_slave_0 left promiscuous mode [ 78.667717][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.756523][ T7] device bridge_slave_1 left promiscuous mode [ 78.781196][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.826906][ T7] device bridge_slave_0 left promiscuous mode [ 78.835717][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 78.882075][ T7] device bridge_slave_1 left promiscuous mode [ 78.888400][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 78.941405][ T7] device bridge_slave_0 left promiscuous mode [ 78.947588][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.012212][ T7] device bridge_slave_1 left promiscuous mode [ 79.018442][ T7] bridge0: port 2(bridge_slave_1) entered disabled state [ 79.051696][ T7] device bridge_slave_0 left promiscuous mode [ 79.057964][ T7] bridge0: port 1(bridge_slave_0) entered disabled state [ 79.181173][ T7] device hsr_slave_0 left promiscuous mode [ 79.251175][ T7] device hsr_slave_1 left promiscuous mode [ 79.315871][ T7] team0 (unregistering): Port device team_slave_1 removed [ 79.325597][ T7] team0 (unregistering): Port device team_slave_0 removed [ 79.334898][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.393868][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.446066][ T7] bond0 (unregistering): Released all slaves [ 79.601214][ T7] device hsr_slave_0 left promiscuous mode [ 79.664653][ T7] device hsr_slave_1 left promiscuous mode [ 79.706040][ T7] team0 (unregistering): Port device team_slave_1 removed [ 79.715516][ T7] team0 (unregistering): Port device team_slave_0 removed [ 79.724914][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 79.764092][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 79.836391][ T7] bond0 (unregistering): Released all slaves [ 79.961327][ T7] device hsr_slave_0 left promiscuous mode [ 80.001121][ T7] device hsr_slave_1 left promiscuous mode [ 80.046086][ T7] team0 (unregistering): Port device team_slave_1 removed [ 80.055623][ T7] team0 (unregistering): Port device team_slave_0 removed [ 80.065535][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.103984][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.165431][ T7] bond0 (unregistering): Released all slaves [ 80.291286][ T7] device hsr_slave_0 left promiscuous mode [ 80.341052][ T7] device hsr_slave_1 left promiscuous mode [ 80.415828][ T7] team0 (unregistering): Port device team_slave_1 removed [ 80.425351][ T7] team0 (unregistering): Port device team_slave_0 removed [ 80.435492][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.473780][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.536875][ T7] bond0 (unregistering): Released all slaves [ 80.661432][ T7] device hsr_slave_0 left promiscuous mode [ 80.701085][ T7] device hsr_slave_1 left promiscuous mode [ 80.745263][ T7] team0 (unregistering): Port device team_slave_1 removed [ 80.754682][ T7] team0 (unregistering): Port device team_slave_0 removed [ 80.764274][ T7] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 80.804023][ T7] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 80.876167][ T7] bond0 (unregistering): Released all slaves [ 81.004094][ T7855] IPVS: ftp: loaded support on port[0] = 21 [ 81.037329][ T7834] chnl_net:caif_netlink_parms(): no params data found [ 81.087475][ T7855] ================================================================== [ 81.095624][ T7855] BUG: KCSAN: data-race in __d_lookup / __d_rehash [ 81.102126][ T7855] [ 81.104454][ T7855] read to 0xffff8881255576d0 of 8 bytes by task 7838 on cpu 1: [ 81.112104][ T7855] __d_lookup+0x152/0x3f0 [ 81.116432][ T7855] lookup_fast+0x26c/0x700 [ 81.120845][ T7855] walk_component+0x6d/0xe70 [ 81.125440][ T7855] link_path_walk.part.0+0x5d3/0xa90 [ 81.130729][ T7855] path_openat+0x14f/0x36e0 [ 81.135238][ T7855] do_filp_open+0x11e/0x1b0 [ 81.139747][ T7855] do_sys_open+0x3b3/0x4f0 [ 81.144176][ T7855] __x64_sys_open+0x55/0x70 [ 81.148677][ T7855] do_syscall_64+0xcc/0x370 [ 81.153174][ T7855] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.159044][ T7855] [ 81.161365][ T7855] write to 0xffff8881255576d0 of 8 bytes by task 7855 on cpu 0: [ 81.168993][ T7855] __d_rehash+0x1ba/0x250 [ 81.173313][ T7855] d_splice_alias+0x325/0x910 [ 81.177981][ T7855] proc_sys_lookup+0x1f6/0x2f0 [ 81.182737][ T7855] __lookup_slow+0x129/0x2a0 [ 81.187321][ T7855] lookup_slow+0x4f/0x70 [ 81.191566][ T7855] walk_component+0x4a2/0xe70 [ 81.196249][ T7855] link_path_walk.part.0+0x5d3/0xa90 [ 81.201541][ T7855] path_openat+0x14f/0x36e0 [ 81.206035][ T7855] do_filp_open+0x11e/0x1b0 [ 81.210539][ T7855] do_sys_open+0x3b3/0x4f0 [ 81.214949][ T7855] __x64_sys_open+0x55/0x70 [ 81.219460][ T7855] do_syscall_64+0xcc/0x370 [ 81.223956][ T7855] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.229836][ T7855] [ 81.232147][ T7855] Reported by Kernel Concurrency Sanitizer on: [ 81.238289][ T7855] CPU: 0 PID: 7855 Comm: syz-executor.2 Not tainted 5.4.0-rc7+ #0 [ 81.246090][ T7855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.256132][ T7855] ================================================================== [ 81.264181][ T7855] Kernel panic - not syncing: panic_on_warn set ... [ 81.270761][ T7855] CPU: 0 PID: 7855 Comm: syz-executor.2 Not tainted 5.4.0-rc7+ #0 [ 81.278548][ T7855] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 81.288589][ T7855] Call Trace: [ 81.291878][ T7855] dump_stack+0x11d/0x181 [ 81.296212][ T7855] panic+0x210/0x640 [ 81.300100][ T7855] ? vprintk_func+0x8d/0x140 [ 81.304776][ T7855] kcsan_report.cold+0xc/0xd [ 81.309362][ T7855] kcsan_setup_watchpoint+0x3fe/0x460 [ 81.314734][ T7855] __tsan_unaligned_write8+0xc4/0x100 [ 81.320107][ T7855] __d_rehash+0x1ba/0x250 [ 81.324448][ T7855] d_splice_alias+0x325/0x910 [ 81.329119][ T7855] proc_sys_lookup+0x1f6/0x2f0 [ 81.333881][ T7855] __lookup_slow+0x129/0x2a0 [ 81.338482][ T7855] lookup_slow+0x4f/0x70 [ 81.342729][ T7855] walk_component+0x4a2/0xe70 [ 81.347401][ T7855] ? sysctl_head_finish.part.0+0x78/0x80 [ 81.353032][ T7855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 81.359270][ T7855] ? inode_permission+0xa0/0x3c0 [ 81.364205][ T7855] link_path_walk.part.0+0x5d3/0xa90 [ 81.369491][ T7855] path_openat+0x14f/0x36e0 [ 81.373989][ T7855] ? __read_once_size+0xea/0x110 [ 81.378928][ T7855] ? netdev_run_todo+0x554/0x580 [ 81.383874][ T7855] ? strcpy+0x4e/0x60 [ 81.387864][ T7855] ? __sanitizer_cov_trace_switch+0x49/0x80 [ 81.393749][ T7855] ? __read_once_size+0x41/0xe0 [ 81.398610][ T7855] do_filp_open+0x11e/0x1b0 [ 81.403109][ T7855] ? __alloc_fd+0x2ef/0x3b0 [ 81.407612][ T7855] do_sys_open+0x3b3/0x4f0 [ 81.412202][ T7855] __x64_sys_open+0x55/0x70 [ 81.416702][ T7855] do_syscall_64+0xcc/0x370 [ 81.421211][ T7855] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 81.427115][ T7855] RIP: 0033:0x4143d0 [ 81.431032][ T7855] Code: 05 48 3d 01 f0 ff ff 0f 83 2d 19 00 00 c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d 9d 40 66 00 00 75 14 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 04 19 00 00 c3 48 83 ec 08 e8 0a fa ff ff [ 81.450642][ T7855] RSP: 002b:00007ffd779c7328 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 81.459058][ T7855] RAX: ffffffffffffffda RBX: 00007ffd779c7351 RCX: 00000000004143d0 [ 81.467019][ T7855] RDX: 00007ffd779c7356 RSI: 0000000000080001 RDI: 00007ffd779c7890 [ 81.474990][ T7855] RBP: 00007ffd779c7350 R08: 0000000000000000 R09: 0000000000000001 [ 81.482949][ T7855] R10: 0000000000000007 R11: 0000000000000246 R12: 00007ffd779c7890 [ 81.490915][ T7855] R13: 00007ffd779c7b58 R14: 0000000000000000 R15: 0000000000000000 [ 81.500354][ T7855] Kernel Offset: disabled [ 81.504715][ T7855] Rebooting in 86400 seconds..