[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.893813][ T23] audit: type=1800 audit(1575430807.808:25): pid=8003 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.913599][ T23] audit: type=1800 audit(1575430807.808:26): pid=8003 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.973853][ T23] audit: type=1800 audit(1575430807.808:27): pid=8003 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.202' (ECDSA) to the list of known hosts. 2019/12/04 03:40:16 fuzzer started 2019/12/04 03:40:17 dialing manager at 10.128.0.26:42111 2019/12/04 03:40:17 syscalls: 2689 2019/12/04 03:40:17 code coverage: enabled 2019/12/04 03:40:17 comparison tracing: enabled 2019/12/04 03:40:17 extra coverage: extra coverage is not supported by the kernel 2019/12/04 03:40:17 setuid sandbox: enabled 2019/12/04 03:40:17 namespace sandbox: enabled 2019/12/04 03:40:17 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 03:40:17 fault injection: enabled 2019/12/04 03:40:17 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 03:40:17 net packet injection: enabled 2019/12/04 03:40:17 net device setup: enabled 2019/12/04 03:40:17 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 03:40:17 devlink PCI setup: PCI device 0000:00:10.0 is not available 03:40:18 executing program 0: creat(0x0, 0x0) perf_event_open(&(0x7f000001d000)={0x1, 0x23a, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5f6, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x81, 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, 0x7ff, 0x0, 0x0, 0x0, 0x57}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$loop(&(0x7f00000002c0)='/dev/loop#\x00', 0x0, 0x882) r0 = openat$ttynull(0xffffffffffffff9c, &(0x7f00000000c0)='/dev/ttynull\x00', 0x0, 0x0) close(r0) 03:40:18 executing program 1: r0 = bpf$MAP_CREATE(0x0, &(0x7f0000000080)={0x1, 0x1ff, 0x7, 0x4}, 0x3c) r1 = bpf$MAP_CREATE(0x0, &(0x7f00004f9fe4)={0xd, 0x6, 0x4, 0x100000001, 0x0, r0}, 0x3c) bpf$PROG_LOAD(0x5, &(0x7f0000000180)={0x7, 0x5, &(0x7f0000000040)=@framed={{}, [@map={0x18, 0x0, 0x1, 0x0, r1}]}, &(0x7f0000000140)='GPL\x00', 0x4, 0xdd, &(0x7f0000000440)=""/221, 0x0, 0x0, [], 0x0, 0x0, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0}, 0x70) syzkaller login: [ 54.700327][ T8167] IPVS: ftp: loaded support on port[0] = 21 [ 54.869600][ T8167] chnl_net:caif_netlink_parms(): no params data found 03:40:18 executing program 2: perf_event_open(&(0x7f0000000140)={0x5, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, @perf_config_ext, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffc}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) setsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x27, 0x0, 0x0) r0 = openat$nullb(0xffffffffffffff9c, &(0x7f0000000080)='/dev/nullb0\x00', 0x4000000004002, 0x0) r1 = gettid() ioprio_get$pid(0x3, 0xffffffffffffffff) mmap(&(0x7f0000000000/0xe7e000)=nil, 0xe7e000, 0x200000e, 0x13, r0, 0x0) r2 = syz_open_dev$sndpcmc(&(0x7f0000000000)='/dev/snd/pcmC#D#c\x00', 0x0, 0x381000) shmget(0x2, 0x1000, 0x78000000, &(0x7f000096d000/0x1000)=nil) perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xfffffffffffffffc, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) ioctl$SIOCSIFMTU(r2, 0x8922, &(0x7f0000000100)={'veth1_to_bridge\x00', 0x2}) ptrace$setregset(0x4205, r1, 0x4, &(0x7f00000001c0)={&(0x7f0000000480)="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", 0x1000}) r3 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000)='/dev/net/tun\x00', 0x0, 0x0) sendfile(r3, 0xffffffffffffffff, &(0x7f0000000200)=0x9, 0x7fff) ioctl$TUNSETLINK(r3, 0x400454cd, 0x118) r4 = socket$pptp(0x18, 0x1, 0x2) connect$pptp(r4, &(0x7f0000000300)={0x18, 0x2, {0x0, @multicast1}}, 0x1e) getsockopt$inet_sctp6_SCTP_GET_ASSOC_ID_LIST(0xffffffffffffffff, 0x84, 0x1d, &(0x7f0000000440)=ANY=[@ANYRESDEC=0x0, @ANYRES16, @ANYRES16=r0, @ANYRESHEX, @ANYRES16=0x0], &(0x7f000095dffc)=0x5) r5 = socket$inet_udplite(0x2, 0x2, 0x88) clone(0x4000000000003fe, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) setsockopt$IP_VS_SO_SET_ZERO(r5, 0x0, 0x48f, &(0x7f0000000340)={0x73, @initdev={0xac, 0x1e, 0x0, 0x0}, 0x4e24, 0x1, 'lblcr\x00', 0x8, 0x1, 0x56}, 0x2c) ioctl$NBD_DISCONNECT(r2, 0xab08) [ 54.947335][ T8170] IPVS: ftp: loaded support on port[0] = 21 [ 54.959742][ T8167] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.978078][ T8167] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.989035][ T8167] device bridge_slave_0 entered promiscuous mode [ 55.033387][ T8167] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.051971][ T8167] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.059879][ T8167] device bridge_slave_1 entered promiscuous mode [ 55.116778][ T8167] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.138485][ T8173] IPVS: ftp: loaded support on port[0] = 21 [ 55.157502][ T8167] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.220507][ T8167] team0: Port device team_slave_0 added [ 55.244430][ T8167] team0: Port device team_slave_1 added 03:40:19 executing program 3: r0 = socket$nl_generic(0x10, 0x3, 0x10) r1 = syz_genetlink_get_family_id$devlink(&(0x7f0000000280)='devlink\x00') sendmsg$DEVLINK_CMD_PORT_SET(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000002700)={0x44, r1, 0x1, 0x0, 0x0, {0xb}, [{{@nsim={{0x10, 0x1, 'netdevsim\x00'}, {0x10, 0x2, {'netdevsim', 0x0}}}, {0x3}}, {0x8}}]}, 0x44}}, 0x0) [ 55.363921][ T8167] device hsr_slave_0 entered promiscuous mode [ 55.401324][ T8167] device hsr_slave_1 entered promiscuous mode [ 55.443890][ T8170] chnl_net:caif_netlink_parms(): no params data found [ 55.477251][ T8176] IPVS: ftp: loaded support on port[0] = 21 03:40:19 executing program 4: r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f00000000c0)={0xaa, 0x8}) r1 = userfaultfd(0x0) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000001fe2)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) madvise(&(0x7f0000000000/0x600000)=nil, 0x602000, 0x4) dup2(r1, r0) [ 55.572450][ T8170] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.579619][ T8170] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.588094][ T8170] device bridge_slave_0 entered promiscuous mode [ 55.597998][ T8167] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.646961][ T8167] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.725582][ T8170] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.734152][ T8170] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.750183][ T8170] device bridge_slave_1 entered promiscuous mode [ 55.763332][ T8167] netdevsim netdevsim0 netdevsim2: renamed from eth2 03:40:19 executing program 5: perf_event_open(&(0x7f0000000040)={0x2, 0x70, 0xeb, 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) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = syz_init_net_socket$netrom(0x6, 0x5, 0x0) dup2(r0, r1) [ 55.805186][ T8167] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.880677][ T8178] IPVS: ftp: loaded support on port[0] = 21 [ 55.951415][ T8170] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.969516][ T8170] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.005802][ T8183] IPVS: ftp: loaded support on port[0] = 21 [ 56.031037][ T8173] chnl_net:caif_netlink_parms(): no params data found [ 56.057538][ T8170] team0: Port device team_slave_0 added [ 56.097078][ T8170] team0: Port device team_slave_1 added [ 56.113062][ T8173] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.120193][ T8173] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.127781][ T8173] device bridge_slave_0 entered promiscuous mode [ 56.194253][ T8170] device hsr_slave_0 entered promiscuous mode [ 56.231487][ T8170] device hsr_slave_1 entered promiscuous mode [ 56.281437][ T8170] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.291888][ T8173] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.298931][ T8173] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.306702][ T8173] device bridge_slave_1 entered promiscuous mode [ 56.320772][ T8176] chnl_net:caif_netlink_parms(): no params data found [ 56.356124][ T8167] 8021q: adding VLAN 0 to HW filter on device bond0 [ 56.369364][ T8173] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.382066][ T8173] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.438906][ T8173] team0: Port device team_slave_0 added [ 56.447315][ T8173] team0: Port device team_slave_1 added [ 56.469603][ T8167] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.478895][ T8170] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.512617][ T8170] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.567486][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.575782][ T8172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.585946][ T8176] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.593824][ T8176] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.604204][ T8176] device bridge_slave_0 entered promiscuous mode [ 56.615929][ T8176] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.623079][ T8176] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.630792][ T8176] device bridge_slave_1 entered promiscuous mode [ 56.639625][ T8170] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.710289][ T8178] chnl_net:caif_netlink_parms(): no params data found [ 56.736384][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.745695][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.754529][ T8179] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.761896][ T8179] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.773353][ T8170] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.863843][ T8173] device hsr_slave_0 entered promiscuous mode [ 56.911308][ T8173] device hsr_slave_1 entered promiscuous mode [ 56.961062][ T8173] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.977130][ T8176] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.989607][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.998719][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.008175][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.017010][ T8179] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.024133][ T8179] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.050801][ T8176] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.088673][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.107673][ T8178] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.115810][ T8178] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.124673][ T8178] device bridge_slave_0 entered promiscuous mode [ 57.133468][ T8178] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.140512][ T8178] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.148720][ T8178] device bridge_slave_1 entered promiscuous mode [ 57.178788][ T8183] chnl_net:caif_netlink_parms(): no params data found [ 57.193346][ T3128] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.212717][ T8176] team0: Port device team_slave_0 added [ 57.219493][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.228139][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.237208][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.246686][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.255232][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.263491][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.271990][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.280209][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.314666][ T8176] team0: Port device team_slave_1 added [ 57.321802][ T8167] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.330544][ T8178] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.345332][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.353515][ T8173] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.406206][ T8173] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.465561][ T8173] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.515810][ T8178] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.539673][ T8178] team0: Port device team_slave_0 added [ 57.552760][ T8178] team0: Port device team_slave_1 added [ 57.565139][ T8173] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.654190][ T8178] device hsr_slave_0 entered promiscuous mode [ 57.691443][ T8178] device hsr_slave_1 entered promiscuous mode [ 57.731576][ T8178] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.758420][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.766074][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.803892][ T8167] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.813499][ T8170] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.864419][ T8176] device hsr_slave_0 entered promiscuous mode [ 57.911896][ T8176] device hsr_slave_1 entered promiscuous mode [ 57.961311][ T8176] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.968998][ T8183] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.976265][ T8183] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.987159][ T8183] device bridge_slave_0 entered promiscuous mode [ 57.995667][ T8183] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.002839][ T8183] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.010576][ T8183] device bridge_slave_1 entered promiscuous mode [ 58.029086][ T8170] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.064836][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.078762][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.090512][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.099283][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.113181][ T8179] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.120257][ T8179] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.134218][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.146406][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.158692][ T8179] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.165846][ T8179] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.179499][ T8179] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.264298][ T8173] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.286865][ T8173] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.336968][ T8173] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.348616][ T8173] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.387925][ T8173] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 163.130911][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.137688][ C0] rcu: 0-...!: (10499 ticks this GP) idle=4e2/1/0x4000000000000002 softirq=11072/11072 fqs=37 [ 163.148243][ C0] (t=10501 jiffies g=6189 q=435) [ 163.153271][ C0] rcu: rcu_preempt kthread starved for 10428 jiffies! g6189 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.164414][ C0] rcu: RCU grace-period kthread stack dump: [ 163.170303][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.178194][ C0] Call Trace: [ 163.181567][ C0] __schedule+0x9a0/0xcc0 [ 163.185893][ C0] schedule+0x181/0x210 [ 163.190036][ C0] schedule_timeout+0x14f/0x240 [ 163.194889][ C0] ? run_local_timers+0x120/0x120 [ 163.199915][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.204675][ C0] kthread+0x332/0x350 [ 163.208882][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.213990][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.218573][ C0] ret_from_fork+0x24/0x30 [ 163.222999][ C0] NMI backtrace for cpu 0 [ 163.227334][ C0] CPU: 0 PID: 7811 Comm: udevd Not tainted 5.4.0-syzkaller #0 [ 163.234771][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.244809][ C0] Call Trace: [ 163.248079][ C0] [ 163.250923][ C0] dump_stack+0x1fb/0x318 [ 163.255242][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.260085][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.266224][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.272276][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.278241][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.284119][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.289222][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.294411][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.299427][ C0] update_process_times+0x12d/0x180 [ 163.304613][ C0] tick_sched_timer+0x263/0x420 [ 163.309451][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.314995][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.320190][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.325132][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.330408][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.335974][ C0] apic_timer_interrupt+0xf/0x20 [ 163.341446][ C0] [ 163.344383][ C0] RIP: 0010:__memcg_kmem_uncharge+0x44/0x2e0 [ 163.350393][ C0] Code: 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 <4d> 85 ff 0f 84 bf 01 00 00 4c 39 3d 04 ce 8c 07 0f 84 6e 02 00 00 [ 163.371787][ C0] RSP: 0018:ffffc90007007898 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.380189][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000000000 [ 163.388153][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002a46600 [ 163.396131][ C0] RBP: ffffc900070078c8 R08: dffffc0000000000 R09: fffffbfff120248a [ 163.404099][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffffea0002a46600 [ 163.412161][ C0] R13: 1ffffd4000548cc7 R14: ffffea0002a46638 R15: 0000000000000000 [ 163.420145][ C0] ? free_thread_stack+0x124/0x590 [ 163.425251][ C0] free_thread_stack+0x12e/0x590 [ 163.435124][ C0] put_task_stack+0xa3/0x130 [ 163.439702][ C0] finish_task_switch+0x3f1/0x550 [ 163.444717][ C0] __schedule+0x9a8/0xcc0 [ 163.449045][ C0] preempt_schedule_irq+0xc1/0x140 [ 163.454142][ C0] retint_kernel+0x1b/0x2b [ 163.458554][ C0] RIP: 0010:__sanitizer_cov_trace_const_cmp1+0x4/0x90 [ 163.465323][ C0] Code: 04 d1 06 00 00 00 48 89 7c d1 08 48 c1 e0 03 48 83 c8 18 48 89 34 01 4c 89 44 d1 18 49 ff c2 4c 89 11 c3 0f 1f 00 4c 8b 04 24 <65> 48 8b 04 25 c0 1d 02 00 65 8b 0d 38 7f 8b 7e f7 c1 00 01 1f 00 [ 163.484937][ C0] RSP: 0018:ffffc90007007b20 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.493356][ C0] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff83551bb7 [ 163.501332][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 163.509311][ C0] RBP: ffffc90007007b80 R08: ffffffff83551bcc R09: ffffed10134298d9 [ 163.517921][ C0] R10: ffffed10134298d9 R11: 0000000000000000 R12: 00000000000000b1 [ 163.525905][ C0] R13: 00000000000013e0 R14: ffff88809a14c680 R15: dffffc0000000000 [ 163.533901][ C0] ? tomoyo_check_acl+0x2dc/0x3a0 [ 163.538953][ C0] ? tomoyo_check_acl+0x2c7/0x3a0 [ 163.543993][ C0] ? tomoyo_check_acl+0x2dc/0x3a0 [ 163.549010][ C0] ? tomoyo_path2_perm+0x9d0/0x9d0 [ 163.554138][ C0] tomoyo_path2_perm+0x65e/0x9d0 [ 163.559213][ C0] tomoyo_path_rename+0xec/0x110 [ 163.564164][ C0] security_path_rename+0x211/0x2d0 [ 163.569370][ C0] do_renameat2+0x94d/0xff0 [ 163.573902][ C0] __x64_sys_rename+0x68/0x80 [ 163.578594][ C0] do_syscall_64+0xf7/0x1c0 [ 163.583100][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 163.588997][ C0] RIP: 0033:0x7f69074c8527 [ 163.593418][ 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 [ 163.613764][ C0] RSP: 002b:00007ffc428eb038 EFLAGS: 00000246 ORIG_RAX: 0000000000000052 [ 163.622179][ C0] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f69074c8527 [ 163.630163][ C0] RDX: 00007f69077f9e98 RSI: 00007ffc428eb070 RDI: 00007ffc428eb470 [ 163.638145][ C0] RBP: 00000000024b1c30 R08: 00007f6907e3b7a0 R09: 0000000000000001 [ 163.646219][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000024c8590 [ 163.654358][ C0] R13: 00000000024af250 R14: 00007ffc428eb070 R15: 0000000000000001