[ 41.585486][ T25] audit: type=1800 audit(1575374013.710:27): pid=7880 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 41.612534][ T25] audit: type=1800 audit(1575374013.710:28): pid=7880 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. [ 42.168236][ T25] audit: type=1800 audit(1575374014.350:29): pid=7880 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 42.187869][ T25] audit: type=1800 audit(1575374014.350:30): pid=7880 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 '10.128.0.82' (ECDSA) to the list of known hosts. 2019/12/03 11:53:42 fuzzer started syzkaller login: [ 51.712015][ T8039] as (8039) used greatest stack depth: 23896 bytes left 2019/12/03 11:53:44 dialing manager at 10.128.0.26:45711 2019/12/03 11:53:44 syscalls: 2689 2019/12/03 11:53:44 code coverage: enabled 2019/12/03 11:53:44 comparison tracing: enabled 2019/12/03 11:53:44 extra coverage: extra coverage is not supported by the kernel 2019/12/03 11:53:44 setuid sandbox: enabled 2019/12/03 11:53:44 namespace sandbox: enabled 2019/12/03 11:53:44 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 11:53:44 fault injection: enabled 2019/12/03 11:53:44 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 11:53:44 net packet injection: enabled 2019/12/03 11:53:44 net device setup: enabled 2019/12/03 11:53:44 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 11:53:44 devlink PCI setup: PCI device 0000:00:10.0 is not available 11:53:45 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000200)={0x4, 0xe, &(0x7f0000000380)=ANY=[@ANYBLOB="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"], &(0x7f0000000340)='GPL\x00'}, 0x1e) 11:53:45 executing program 1: r0 = openat$ptmx(0xffffffffffffff9c, &(0x7f00000013c0)='/dev/ptmx\x00', 0x0, 0x0) ioctl$TCSETS(r0, 0x40045431, &(0x7f0000000080)) r1 = syz_open_pts(r0, 0x0) ioctl$TCSETS(r1, 0x5402, &(0x7f0000000140)={0x403}) ioctl$TIOCSETD(r1, 0x5423, &(0x7f00000000c0)=0x3) ioctl$TCSETSF(r1, 0x5412, &(0x7f0000000000)) [ 53.645422][ T8046] IPVS: ftp: loaded support on port[0] = 21 [ 53.683063][ T8048] IPVS: ftp: loaded support on port[0] = 21 11:53:45 executing program 2: r0 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000080)='/dev/uinput\x00', 0x4000000000802, 0x0) write$uinput_user_dev(r0, &(0x7f0000000400)={'syz1\x00'}, 0x45c) ioctl$UI_SET_EVBIT(r0, 0x40045564, 0x2) ioctl$UI_DEV_SETUP(r0, 0x5501, 0x0) write$uinput_user_dev(r0, &(0x7f0000000580)={'syz0\x00', {}, 0x0, [], [], [], [0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}, 0x45c) [ 53.802800][ T8048] chnl_net:caif_netlink_parms(): no params data found [ 53.921017][ T8046] chnl_net:caif_netlink_parms(): no params data found [ 53.944507][ T8048] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.955606][ T8048] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.964099][ T8048] device bridge_slave_0 entered promiscuous mode [ 53.980903][ T8052] IPVS: ftp: loaded support on port[0] = 21 [ 54.010860][ T8048] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.019982][ T8048] bridge0: port 2(bridge_slave_1) entered disabled state 11:53:46 executing program 3: r0 = perf_event_open(&(0x7f0000000040)={0x1cfe48b81bf00153, 0x70, 0xee68, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0x0, 0x9}, 0x0, 0xf, 0xffffffffffffffff, 0x0) sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x9) perf_event_open(&(0x7f0000000040)={0x1, 0x1f2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}, 0xa100}, 0x0, 0x0, 0xffffffffffffffff, 0x0) r1 = semget(0x3, 0x5, 0x2e3) semget(0x2, 0x0, 0x200) r2 = semget(0x2, 0x3, 0x8) semop(r2, 0x0, 0xa9b01d486ca589ab) r3 = openat$ptmx(0xffffffffffffff9c, &(0x7f0000000180)='/dev/ptmx\x00', 0x8000000000006, 0x0) ioctl$TCSETS(r3, 0x40045431, &(0x7f0000000600)={0x0, 0x0, 0x0, 0x0, 0x0, 0xfe, 0x0, 0x0, 0x0, 0x0, 0x40}) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x50d, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r4 = syz_open_pts(r3, 0x40000) write$binfmt_aout(r3, &(0x7f0000000240)=ANY=[], 0x35b) ioctl$TCSETA(r4, 0x5406, &(0x7f00000004c0)={0xfffffffffffffffd, 0x40000004, 0x0, 0xfc63, 0xfffffffffffffffc, 0x0, 0x0, 0x2000000000000, 0x0, 0x4}) ioctl$TCSETSF(r4, 0x5412, &(0x7f0000000040)={0x17, 0x5b03}) time(&(0x7f0000000440)) socket$nl_generic(0x10, 0x3, 0x10) r5 = getpgrp(0x0) r6 = gettid() rt_tgsigqueueinfo(r5, r6, 0x200000000000011, &(0x7f0000000100)={0x0, 0x0, 0x1}) perf_event_open(&(0x7f0000000180)={0xfffffffffffffffd, 0x70, 0x3, 0x0, 0x9, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffffffffffff, 0x4}, r6, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) syz_open_dev$vcsn(&(0x7f0000000140)='/dev/vcs#\x00', 0x3, 0x0) r7 = syz_open_dev$vcsa(&(0x7f00000003c0)='/d}v/vcsa#\x10', 0x0, 0x402) mkdirat(0xffffffffffffff9c, &(0x7f00000002c0)='./file0\x00', 0x0) r8 = openat$fuse(0xffffffffffffff9c, &(0x7f0000000940)='/dev/fuse\x00', 0x2, 0x0) mount$fuse(0x0, &(0x7f0000000200)='./file0\x00', &(0x7f0000000300)='fuse\x00', 0x0, &(0x7f0000000240)={{'fd', 0x3d, r8}, 0x2c, {'rootmode', 0x3d, 0x4000}, 0x2c, {'user_id'}, 0x2c, {'group_id'}}) ioctl$SNDRV_TIMER_IOCTL_GPARAMS(r7, 0x40485404, &(0x7f0000000340)={{0x0, 0x1, 0x100, 0x0, 0x5475}, 0xaa3, 0x6}) r9 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000080)='stat\t\xc0\xd2\xfe\xbc\xf9\xdf-\xea\xc8\xc1w\xff\x17\x12H\xe9\x11\x93Q0I\xf81U\ro}\xe6l\xf67\xbd\xbf\x13\x11\x92\f\x8a&\xed\xa4\xdc\xc3x?\x9d\xb5\x11k4\xd3\x1b\x05\x12\xa5`\x8a\xaf\xf0\x1eyR4\f\xd6\xfd\x00\x00\x00\x00', 0x275a, 0x0) r10 = creat(&(0x7f0000000000)='./file0\x00', 0x0) write$uinput_user_dev(r10, 0x0, 0x0) fallocate(r10, 0x0, 0x0, 0x2000002) fallocate(r9, 0x0, 0x0, 0x110001) ioctl$EXT4_IOC_MOVE_EXT(r9, 0xc028660f, &(0x7f0000000040)={0x0, r10, 0xfffffffffffffffc, 0x8, 0x20}) r11 = syz_open_procfs(0xffffffffffffffff, &(0x7f0000000100)='loginuid\x00') sendfile(r11, r11, 0x0, 0x3) perf_event_open(&(0x7f0000000040)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x20000, 0x7, 0x0, 0x1, 0x0, 0x4, 0x0, 0x0, 0x10000, 0x2, 0x0, 0x4000000000000000, 0x0, 0xfffffffffffffffd, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={&(0x7f0000000000), 0x5}, 0x48}, 0x0, 0xfffffffffffffffc, r11, 0x0) syz_open_procfs(0x0, &(0x7f0000000400)='mountinfo\x00') rename(&(0x7f0000000780)='./file0\x00', &(0x7f00000006c0)='./file1\x00') r12 = syz_open_dev$vcsa(&(0x7f0000000500)='/dev/vcsa#\x00', 0x3, 0x404800) ioctl$EXT4_IOC_MOVE_EXT(r12, 0xc028660f, &(0x7f0000000540)={0x0, r0, 0x2, 0x100, 0x3}) pivot_root(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./file0\x00') sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000000)={0x0, 0xffffffffffffffa3}}, 0x0) sendmsg$nl_generic(0xffffffffffffffff, &(0x7f0000000100)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000480)=ANY=[@ANYRES64=r1], 0x1}, 0x1, 0x0, 0x0, 0x20005}, 0x1) [ 54.028243][ T8048] device bridge_slave_1 entered promiscuous mode [ 54.035668][ T8046] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.045539][ T8046] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.053669][ T8046] device bridge_slave_0 entered promiscuous mode [ 54.065175][ T8046] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.072654][ T8046] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.084030][ T8046] device bridge_slave_1 entered promiscuous mode [ 54.136817][ T8048] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.165569][ T8046] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.182510][ T8048] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.215796][ T8046] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.293682][ T8048] team0: Port device team_slave_0 added [ 54.307739][ T8046] team0: Port device team_slave_0 added [ 54.315298][ T8046] team0: Port device team_slave_1 added 11:53:46 executing program 4: mknod(&(0x7f0000000000)='./file0\x00', 0x1, 0x0) r0 = openat(0xffffffffffffff9c, &(0x7f00000000c0)='.\x00', 0x0, 0x0) faccessat(r0, &(0x7f0000000040)='./file0\x00', 0x3, 0x0) [ 54.347179][ T8048] team0: Port device team_slave_1 added [ 54.354701][ T8055] IPVS: ftp: loaded support on port[0] = 21 [ 54.441392][ T8048] device hsr_slave_0 entered promiscuous mode [ 54.496882][ T8048] device hsr_slave_1 entered promiscuous mode 11:53:46 executing program 5: r0 = socket$inet6(0xa, 0x2, 0x0) setsockopt$inet6_IPV6_FLOWLABEL_MGR(r0, 0x29, 0x20, &(0x7f0000000000)={@remote, 0x800, 0x0, 0x103, 0x1}, 0x20) setsockopt$inet6_int(r0, 0x29, 0x1000000000021, &(0x7f00000005c0)=0x1, 0x4) sendmsg$inet6(r0, &(0x7f0000000180)={&(0x7f0000000080)={0xa, 0x4e22, 0x80000, @local}, 0x1c, 0x0, 0x0, &(0x7f0000000040)=[@hoplimit={{0x14, 0x29, 0x34, 0x400}}], 0x18}, 0x0) [ 54.608925][ T8046] device hsr_slave_0 entered promiscuous mode [ 54.646763][ T8046] device hsr_slave_1 entered promiscuous mode [ 54.696768][ T8046] debugfs: Directory 'hsr0' with parent '/' already present! [ 54.720406][ T8057] IPVS: ftp: loaded support on port[0] = 21 [ 54.738754][ T8052] chnl_net:caif_netlink_parms(): no params data found [ 54.747815][ T8059] IPVS: ftp: loaded support on port[0] = 21 [ 54.784433][ T8048] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 54.839144][ T8048] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 54.918797][ T8048] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 54.981492][ T8048] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 55.048043][ T8046] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.088881][ T8046] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.139916][ T8046] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 55.198337][ T8046] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 55.263907][ T8052] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.271451][ T8052] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.279443][ T8052] device bridge_slave_0 entered promiscuous mode [ 55.291648][ T8052] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.298823][ T8052] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.306721][ T8052] device bridge_slave_1 entered promiscuous mode [ 55.323927][ T8052] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.347378][ T8052] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.404201][ T8052] team0: Port device team_slave_0 added [ 55.436199][ T8052] team0: Port device team_slave_1 added [ 55.489084][ T8052] device hsr_slave_0 entered promiscuous mode [ 55.557060][ T8052] device hsr_slave_1 entered promiscuous mode [ 55.606574][ T8052] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.643285][ T8059] chnl_net:caif_netlink_parms(): no params data found [ 55.681565][ T8057] chnl_net:caif_netlink_parms(): no params data found [ 55.693764][ T8055] chnl_net:caif_netlink_parms(): no params data found [ 55.712808][ T8048] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.794556][ T8057] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.803061][ T8057] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.811636][ T8057] device bridge_slave_0 entered promiscuous mode [ 55.818977][ T8055] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.826023][ T8055] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.834296][ T8055] device bridge_slave_0 entered promiscuous mode [ 55.842476][ T8055] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.849622][ T8055] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.857714][ T8055] device bridge_slave_1 entered promiscuous mode [ 55.868892][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 55.877429][ T3209] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 55.886238][ T8048] 8021q: adding VLAN 0 to HW filter on device team0 [ 55.898068][ T8059] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.905133][ T8059] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.914402][ T8059] device bridge_slave_0 entered promiscuous mode [ 55.924471][ T8057] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.931740][ T8057] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.939755][ T8057] device bridge_slave_1 entered promiscuous mode [ 55.967682][ T8046] 8021q: adding VLAN 0 to HW filter on device bond0 [ 55.974493][ T8052] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 56.019607][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.028169][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.037060][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.044211][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.052371][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.061052][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.069479][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.076549][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.084024][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.092705][ T8059] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.100217][ T8059] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.107998][ T8059] device bridge_slave_1 entered promiscuous mode [ 56.126217][ T8055] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.138465][ T8055] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.152775][ T8052] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 56.187926][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.196200][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.206152][ T8057] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.224421][ T8046] 8021q: adding VLAN 0 to HW filter on device team0 [ 56.241968][ T8052] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 56.288910][ T8057] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.298782][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 56.306955][ T2787] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 56.323251][ T8059] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.336343][ T8055] team0: Port device team_slave_0 added [ 56.342925][ T8052] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 56.385954][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 56.395118][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 56.403761][ T8064] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.410830][ T8064] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.420892][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.429386][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.442039][ T8059] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.457999][ T8055] team0: Port device team_slave_1 added [ 56.472087][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 56.480621][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.489217][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.498126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 56.506349][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.513441][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.521612][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 56.530258][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 56.538955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 56.547324][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 56.555703][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 56.564512][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 56.579021][ T8057] team0: Port device team_slave_0 added [ 56.593650][ T8059] team0: Port device team_slave_0 added [ 56.601733][ T8048] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 56.619580][ T8057] team0: Port device team_slave_1 added [ 56.633219][ T8059] team0: Port device team_slave_1 added [ 56.651524][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 56.660135][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 56.669432][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 56.677971][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 56.686260][ T8064] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 56.759756][ T8055] device hsr_slave_0 entered promiscuous mode [ 56.807008][ T8055] device hsr_slave_1 entered promiscuous mode [ 56.846540][ T8055] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.899578][ T8059] device hsr_slave_0 entered promiscuous mode [ 56.967839][ T8059] device hsr_slave_1 entered promiscuous mode [ 56.996535][ T8059] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.027956][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.036998][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.046521][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 57.054843][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 57.129240][ T8057] device hsr_slave_0 entered promiscuous mode [ 57.167749][ T8057] device hsr_slave_1 entered promiscuous mode [ 57.206586][ T8057] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.233792][ T8048] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 57.241907][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 57.250493][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 57.274640][ T8057] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 57.336599][ T8057] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 57.381315][ T8046] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 57.393247][ T8046] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 57.404828][ T8055] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.458674][ T8055] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.502932][ T8057] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 57.557861][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 57.566213][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 57.575756][ T8057] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 57.642057][ T8055] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.689800][ T8055] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.768921][ T8059] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 57.802075][ T8059] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 162.846397][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 162.853186][ C0] rcu: 0-...!: (1 GPs behind) idle=e5a/1/0x4000000000000002 softirq=10601/10602 fqs=39 [ 162.863127][ C0] (t=10501 jiffies g=6081 q=90) [ 162.868052][ C0] rcu: rcu_preempt kthread starved for 10424 jiffies! g6081 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 162.879127][ C0] rcu: RCU grace-period kthread stack dump: [ 162.885012][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 162.892911][ C0] Call Trace: [ 162.896215][ C0] __schedule+0x9a0/0xcc0 [ 162.900544][ C0] schedule+0x181/0x210 [ 162.904687][ C0] schedule_timeout+0x14f/0x240 [ 162.909521][ C0] ? run_local_timers+0x120/0x120 [ 162.914532][ C0] rcu_gp_kthread+0xed8/0x1770 [ 162.919289][ C0] kthread+0x332/0x350 [ 162.923355][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 162.928449][ C0] ? kthread_blkcg+0xe0/0xe0 [ 162.933025][ C0] ret_from_fork+0x24/0x30 [ 162.937449][ C0] NMI backtrace for cpu 0 [ 162.941763][ C0] CPU: 0 PID: 8068 Comm: syz-executor.1 Not tainted 5.4.0-syzkaller #0 [ 162.949976][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 162.960020][ C0] Call Trace: [ 162.963288][ C0] [ 162.966126][ C0] dump_stack+0x1fb/0x318 [ 162.970446][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 162.975281][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 162.981420][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 162.987471][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 162.993441][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 162.999316][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.004417][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.009604][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.014617][ C0] update_process_times+0x12d/0x180 [ 163.019828][ C0] tick_sched_timer+0x263/0x420 [ 163.024690][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.030232][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.035432][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.040396][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.045670][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.051200][ C0] apic_timer_interrupt+0xf/0x20 [ 163.056122][ C0] [ 163.059047][ C0] RIP: 0010:mod_memcg_page_state+0x0/0x190 [ 163.064839][ C0] Code: 48 8b 3b e8 12 c1 5f 00 eb 0c e8 0b 29 2e 00 eb 05 e8 04 29 2e 00 48 83 c4 10 5b 41 5c 41 5d 41 5e 41 5f 5d c3 0f 1f 44 00 00 <55> 48 89 e5 41 57 41 56 41 54 53 41 89 f6 48 89 fb e8 da 28 2e 00 [ 163.084449][ C0] RSP: 0018:ffffc900023b7e38 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 163.092853][ C0] RAX: 1ffff11014e636a1 RBX: ffff8880a731b508 RCX: 0000000000000000 [ 163.100823][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002a23000 [ 163.108780][ C0] RBP: ffffc900023b7e78 R08: 000000000003a768 R09: ffffed1015268b47 [ 163.116741][ C0] R10: ffffed1015268b47 R11: 0000000000000000 R12: ffff8880a731b5a0 [ 163.124805][ C0] R13: dffffc0000000000 R14: 1ffff11014e636b4 R15: ffff8880a9345a28 [ 163.132792][ C0] ? free_thread_stack+0x168/0x590 [ 163.137892][ C0] put_task_stack+0xa3/0x130 [ 163.142490][ C0] finish_task_switch+0x3f1/0x550 [ 163.147503][ C0] schedule_tail+0x20/0x1a0 [ 163.151992][ C0] ret_from_fork+0x8/0x30 [ 163.156306][ C0] RIP: 0033:0x45d049 [ 163.160189][ C0] Code: ff 48 85 f6 0f 84 d7 8c fb ff 48 83 ee 10 48 89 4e 08 48 89 3e 48 89 d7 4c 89 c2 4d 89 c8 4c 8b 54 24 08 b8 38 00 00 00 0f 05 <48> 85 c0 0f 8c ae 8c fb ff 74 01 c3 31 ed 48 f7 c7 00 00 01 00 75 [ 163.179780][ C0] RSP: 002b:00007f70f18bbdb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 163.188175][ C0] RAX: 0000000000000000 RBX: 00007f70f18bc700 RCX: 000000000045d049 [ 163.196133][ C0] RDX: 00007f70f18bc9d0 RSI: 00007f70f18bbdb0 RDI: 00000000003d0f00 [ 163.204088][ C0] RBP: 00007ffd31863320 R08: 00007f70f18bc700 R09: 00007f70f18bc700 [ 163.212177][ C0] R10: 00007f70f18bc9d0 R11: 0000000000000202 R12: 0000000000000000 [ 163.220143][ C0] R13: 00007ffd318631bf R14: 00007f70f18bc9c0 R15: 000000000075bf2c