[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 45.249056][ T26] audit: type=1800 audit(1575321599.607:25): pid=8216 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0
[ 45.269599][ T26] audit: type=1800 audit(1575321599.617:26): pid=8216 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0
[ 45.291831][ T26] audit: type=1800 audit(1575321599.617:27): pid=8216 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[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
Debian GNU/Linux 7 syzkaller ttyS0
Warning: Permanently added '10.128.0.73' (ECDSA) to the list of known hosts.
2019/12/02 21:20:09 fuzzer started
2019/12/02 21:20:11 dialing manager at 10.128.0.26:38907
2019/12/02 21:20:11 syscalls: 2697
2019/12/02 21:20:11 code coverage: enabled
2019/12/02 21:20:11 comparison tracing: enabled
2019/12/02 21:20:11 extra coverage: extra coverage is not supported by the kernel
2019/12/02 21:20:11 setuid sandbox: enabled
2019/12/02 21:20:11 namespace sandbox: enabled
2019/12/02 21:20:11 Android sandbox: /sys/fs/selinux/policy does not exist
2019/12/02 21:20:11 fault injection: enabled
2019/12/02 21:20:11 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled
2019/12/02 21:20:11 net packet injection: enabled
2019/12/02 21:20:11 net device setup: enabled
2019/12/02 21:20:11 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist
2019/12/02 21:20:11 devlink PCI setup: PCI device 0000:00:10.0 is not available
21:20:12 executing program 0:
r0 = socket$unix(0x1, 0x1, 0x0)
ioctl$int_in(r0, 0x5452, &(0x7f0000000100)=0x6)
r1 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r1, &(0x7f00000001c0)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x56)
listen(r1, 0x0)
connect$unix(r0, &(0x7f0000000140)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
r2 = accept(r1, 0x0, 0x0)
recvfrom$unix(r0, 0x0, 0x0, 0x0, 0x0, 0x0)
socketpair$unix(0x1, 0x5, 0x0, &(0x7f0000000180)={<r3=>0xffffffffffffffff})
r4 = dup2(r3, r3)
ioctl$PERF_EVENT_IOC_ENABLE(r4, 0x8912, 0x400200)
close(r0)
sendto$inet6(r2, &(0x7f0000000780), 0xffffffffffffffe6, 0x0, 0x0, 0x0)
21:20:12 executing program 1:
r0 = openat$audio(0xffffffffffffff9c, &(0x7f0000d0fff5)='/dev/audio\x00', 0x42801, 0x0)
ioctl$int_in(r0, 0x800000c0045006, &(0x7f0000003ff8)=0x5)
write$sndseq(r0, &(0x7f00000004c0)=[{0x0, 0x0, 0x0, 0x0, @time, {}, {}, @control}], 0x1c)
close(r0)
syzkaller login: [ 58.526409][ T8383] IPVS: ftp: loaded support on port[0] = 21
[ 58.622583][ T8385] IPVS: ftp: loaded support on port[0] = 21
[ 58.750833][ T8383] chnl_net:caif_netlink_parms(): no params data found
21:20:13 executing program 2:
creat(&(0x7f0000000040)='./file1\x00', 0x0)
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000)='/dev/kvm\x00', 0x200200, 0x0)
mount$fuse(0x0, 0x0, 0x0, 0x0, &(0x7f0000000400)=ANY=[@ANYBLOB='fd=', @ANYRESHEX=r0])
mount(0x0, &(0x7f0000000380)='./file1\x00', &(0x7f00000003c0)='autofs\x00', 0x0, &(0x7f0000000400))
[ 58.799345][ T8383] bridge0: port 1(bridge_slave_0) entered blocking state
[ 58.807671][ T8383] bridge0: port 1(bridge_slave_0) entered disabled state
[ 58.818230][ T8383] device bridge_slave_0 entered promiscuous mode
[ 58.829321][ T8385] chnl_net:caif_netlink_parms(): no params data found
[ 58.840725][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state
[ 58.847817][ T8383] bridge0: port 2(bridge_slave_1) entered disabled state
[ 58.855930][ T8383] device bridge_slave_1 entered promiscuous mode
[ 58.889053][ T8383] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 58.903692][ T8383] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 58.933345][ T8383] team0: Port device team_slave_0 added
[ 58.944678][ T8383] team0: Port device team_slave_1 added
[ 58.956939][ T8385] bridge0: port 1(bridge_slave_0) entered blocking state
[ 58.990218][ T8385] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.000562][ T8385] device bridge_slave_0 entered promiscuous mode
[ 59.024906][ T8385] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.040183][ T8385] bridge0: port 2(bridge_slave_1) entered disabled state
[ 59.049275][ T8385] device bridge_slave_1 entered promiscuous mode
21:20:13 executing program 3:
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route(r0, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000000)={&(0x7f00000007c0)=@newlink={0x40, 0x10, 0x705, 0x0, 0x0, {}, [@IFLA_LINKINFO={0x20, 0x12, @erspan={{0xc, 0x1, 'erspan\x00'}, {0x10, 0x2, [@gre_common_policy=[@IFLA_GRE_COLLECT_METADATA={0x4}, @IFLA_GRE_ERSPAN_INDEX={0x8}]]}}}]}, 0x40}}, 0x0)
[ 59.194255][ T8383] device hsr_slave_0 entered promiscuous mode
[ 59.250503][ T8383] device hsr_slave_1 entered promiscuous mode
21:20:13 executing program 4:
r0 = socket$nl_generic(0x10, 0x3, 0x10)
r1 = syz_genetlink_get_family_id$tipc2(&(0x7f0000000080)='TIPCv2\x00')
sendmsg$TIPC_NL_MEDIA_SET(r0, &(0x7f0000000240)={0x0, 0x0, &(0x7f0000000200)={&(0x7f00000000c0)={0x34, r1, 0x4ad9a35f19676c2f, 0x0, 0x0, {}, [@TIPC_NLA_MEDIA={0x19, 0x5, [@TIPC_NLA_MEDIA_NAME={0x9, 0x1, 'ib\x00'}, @TIPC_NLA_MEDIA_PROP={0x14, 0x2, [@TIPC_NLA_PROP_PRIO={0x8}, @TIPC_NLA_PROP_TOL={0x8}]}]}]}, 0x34}}, 0x0)
[ 59.312483][ T8385] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 59.334007][ T8390] IPVS: ftp: loaded support on port[0] = 21
[ 59.375320][ T8392] IPVS: ftp: loaded support on port[0] = 21
[ 59.393645][ T8385] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 59.473620][ T8383] netdevsim netdevsim0 netdevsim0: renamed from eth0
[ 59.544024][ T8383] netdevsim netdevsim0 netdevsim1: renamed from eth1
21:20:14 executing program 5:
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
r0 = creat(&(0x7f0000139000)='./file0/bus\x00', 0x0)
unshare(0x400)
fcntl$lock(r0, 0x7, &(0x7f0000027000)={0x1})
r1 = syz_open_procfs(0x0, &(0x7f0000000080)='fdinfo/3\x00')
preadv(r1, &(0x7f0000001480)=[{&(0x7f0000000040)=""/34, 0x22}], 0x1, 0x0)
[ 59.604363][ T8383] netdevsim netdevsim0 netdevsim2: renamed from eth2
[ 59.671895][ T8385] team0: Port device team_slave_0 added
[ 59.687088][ T8385] team0: Port device team_slave_1 added
[ 59.695365][ T8383] netdevsim netdevsim0 netdevsim3: renamed from eth3
[ 59.749497][ T8394] IPVS: ftp: loaded support on port[0] = 21
[ 59.754923][ T8383] bridge0: port 2(bridge_slave_1) entered blocking state
[ 59.762683][ T8383] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 59.770696][ T8383] bridge0: port 1(bridge_slave_0) entered blocking state
[ 59.777790][ T8383] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 59.804660][ T22] bridge0: port 1(bridge_slave_0) entered disabled state
[ 59.813962][ T22] bridge0: port 2(bridge_slave_1) entered disabled state
[ 59.903404][ T8385] device hsr_slave_0 entered promiscuous mode
[ 59.941141][ T8385] device hsr_slave_1 entered promiscuous mode
[ 59.980341][ T8385] debugfs: Directory 'hsr0' with parent '/' already present!
[ 60.009388][ T8396] IPVS: ftp: loaded support on port[0] = 21
[ 60.069297][ T8390] chnl_net:caif_netlink_parms(): no params data found
[ 60.099090][ T8385] netdevsim netdevsim1 netdevsim0: renamed from eth0
[ 60.144693][ T8385] netdevsim netdevsim1 netdevsim1: renamed from eth1
[ 60.222391][ T8385] netdevsim netdevsim1 netdevsim2: renamed from eth2
[ 60.273322][ T8385] netdevsim netdevsim1 netdevsim3: renamed from eth3
[ 60.443059][ T8390] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.450953][ T8390] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.459166][ T8390] device bridge_slave_0 entered promiscuous mode
[ 60.468729][ T8392] chnl_net:caif_netlink_parms(): no params data found
[ 60.496669][ T8383] 8021q: adding VLAN 0 to HW filter on device bond0
[ 60.504385][ T8390] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.512049][ T8390] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.519765][ T8390] device bridge_slave_1 entered promiscuous mode
[ 60.528581][ T8394] chnl_net:caif_netlink_parms(): no params data found
[ 60.577473][ T8390] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 60.599726][ T8392] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.606965][ T8392] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.615374][ T8392] device bridge_slave_0 entered promiscuous mode
[ 60.623071][ T8394] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.630805][ T8394] bridge0: port 1(bridge_slave_0) entered disabled state
[ 60.638522][ T8394] device bridge_slave_0 entered promiscuous mode
[ 60.647846][ T8390] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 60.666642][ T8392] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.674608][ T8392] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.682905][ T8392] device bridge_slave_1 entered promiscuous mode
[ 60.689897][ T8394] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.697780][ T8394] bridge0: port 2(bridge_slave_1) entered disabled state
[ 60.705866][ T8394] device bridge_slave_1 entered promiscuous mode
[ 60.729228][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 60.737592][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 60.749702][ T8383] 8021q: adding VLAN 0 to HW filter on device team0
[ 60.769046][ T8390] team0: Port device team_slave_0 added
[ 60.807141][ T8394] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 60.819512][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 60.828523][ T8388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 60.836960][ T8388] bridge0: port 1(bridge_slave_0) entered blocking state
[ 60.844071][ T8388] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 60.852673][ T8390] team0: Port device team_slave_1 added
[ 60.860279][ T8392] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 60.885249][ T8394] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 60.897178][ T8392] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 60.921540][ T8396] chnl_net:caif_netlink_parms(): no params data found
[ 60.943703][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 60.953612][ T22] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 60.962178][ T22] bridge0: port 2(bridge_slave_1) entered blocking state
[ 60.969302][ T22] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 61.023271][ T8390] device hsr_slave_0 entered promiscuous mode
[ 61.070643][ T8390] device hsr_slave_1 entered promiscuous mode
[ 61.110198][ T8390] debugfs: Directory 'hsr0' with parent '/' already present!
[ 61.119811][ T8392] team0: Port device team_slave_0 added
[ 61.128679][ T8392] team0: Port device team_slave_1 added
[ 61.153552][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 61.162366][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 61.171145][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 61.179563][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 61.192556][ T8394] team0: Port device team_slave_0 added
[ 61.221180][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 61.237629][ T8385] 8021q: adding VLAN 0 to HW filter on device bond0
[ 61.248152][ T8394] team0: Port device team_slave_1 added
[ 61.312082][ T8392] device hsr_slave_0 entered promiscuous mode
[ 61.350941][ T8392] device hsr_slave_1 entered promiscuous mode
[ 61.390263][ T8392] debugfs: Directory 'hsr0' with parent '/' already present!
[ 61.423236][ T8396] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.431713][ T8396] bridge0: port 1(bridge_slave_0) entered disabled state
[ 61.439607][ T8396] device bridge_slave_0 entered promiscuous mode
[ 61.447914][ T8396] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.455034][ T8396] bridge0: port 2(bridge_slave_1) entered disabled state
[ 61.464458][ T8396] device bridge_slave_1 entered promiscuous mode
[ 61.476133][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 61.485477][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 61.498256][ T8385] 8021q: adding VLAN 0 to HW filter on device team0
[ 61.535960][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready
[ 61.546086][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready
[ 61.554885][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 61.565556][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 61.574655][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready
[ 61.583840][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready
[ 61.592316][ T12] bridge0: port 1(bridge_slave_0) entered blocking state
[ 61.599486][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state
[ 61.607197][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready
[ 61.616212][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready
[ 61.624787][ T12] bridge0: port 2(bridge_slave_1) entered blocking state
[ 61.631873][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state
[ 61.639386][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready
[ 61.648495][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready
[ 61.657234][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready
[ 61.666361][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready
[ 61.675180][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready
[ 61.684324][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready
[ 61.694408][ T8392] netdevsim netdevsim3 netdevsim0: renamed from eth0
[ 61.735530][ T8392] netdevsim netdevsim3 netdevsim1: renamed from eth1
[ 61.772597][ T8392] netdevsim netdevsim3 netdevsim2: renamed from eth2
[ 61.864636][ T8394] device hsr_slave_0 entered promiscuous mode
[ 61.921241][ T8394] device hsr_slave_1 entered promiscuous mode
[ 61.960357][ T8394] debugfs: Directory 'hsr0' with parent '/' already present!
[ 61.969301][ T8396] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link
[ 61.984919][ T8385] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network
[ 61.995994][ T8385] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network
[ 62.007995][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready
[ 62.016110][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready
[ 62.024505][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 62.033578][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 62.042429][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready
[ 62.051301][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready
[ 62.059839][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready
[ 62.068309][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready
[ 62.077573][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 62.093245][ T8392] netdevsim netdevsim3 netdevsim3: renamed from eth3
[ 62.159962][ T8396] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link
[ 62.183675][ T8383] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready
[ 62.192422][ T8390] netdevsim netdevsim2 netdevsim0: renamed from eth0
[ 62.249616][ T8390] netdevsim netdevsim2 netdevsim1: renamed from eth1
[ 62.285418][ T8390] netdevsim netdevsim2 netdevsim2: renamed from eth2
[ 62.353977][ T8390] netdevsim netdevsim2 netdevsim3: renamed from eth3
[ 62.423391][ T8396] team0: Port device team_slave_0 added
[ 62.438114][ T8394] netdevsim netdevsim4 netdevsim0: renamed from eth0
[ 62.481978][ T8394] netdevsim netdevsim4 netdevsim1: renamed from eth1
[ 62.548170][ T8396] team0: Port device team_slave_1 added
[ 62.571742][ T8394] netdevsim netdevsim4 netdevsim2: renamed from eth2
[ 62.603514][ T8394] netdevsim netdevsim4 netdevsim3: renamed from eth3
[ 62.701956][ T8396] device hsr_slave_0 entered promiscuous mode
[ 62.753287][ T8396] device hsr_slave_1 entered promiscuous mode
[ 62.810459][ T8396] debugfs: Directory 'hsr0' with parent '/' already present!
[ 62.824019][ T8383] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 62.842696][ T8385] 8021q: adding VLAN 0 to HW filter on device batadv0
[ 62.854413][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 62.862797][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 62.870996][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready
[ 62.878371][ T1099] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready
[ 62.974470][ T8392] 8021q: adding VLAN 0 to HW filter on device bond0
[ 63.007762][ T8396] netdevsim netdevsim5 netdevsim0: renamed from eth0
[ 168.030042][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU
[ 168.036912][ C0] rcu: 0-...!: (10499 ticks this GP) idle=c56/1/0x4000000000000002 softirq=10463/10463 fqs=8
[ 168.047432][ C0] (t=10500 jiffies g=6769 q=69)
[ 168.052374][ C0] rcu: rcu_preempt kthread starved for 10481 jiffies! g6769 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
[ 168.063457][ C0] rcu: RCU grace-period kthread stack dump:
[ 168.069336][ C0] rcu_preempt R running task 29032 10 2 0x80004000
[ 168.077232][ C0] Call Trace:
[ 168.080527][ C0] __schedule+0x9a0/0xcc0
[ 168.084878][ C0] schedule+0x181/0x210
[ 168.089044][ C0] schedule_timeout+0x14f/0x240
[ 168.093925][ C0] ? run_local_timers+0x120/0x120
[ 168.098960][ C0] rcu_gp_kthread+0xed8/0x1770
[ 168.103933][ C0] kthread+0x332/0x350
[ 168.108032][ C0] ? rcu_report_qs_rsp+0x140/0x140
[ 168.113139][ C0] ? kthread_blkcg+0xe0/0xe0
[ 168.117729][ C0] ret_from_fork+0x24/0x30
[ 168.122157][ C0] NMI backtrace for cpu 0
[ 168.126493][ C0] CPU: 0 PID: 8405 Comm: blkid Not tainted 5.4.0-syzkaller #0
[ 168.133934][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 168.144408][ C0] Call Trace:
[ 168.147697][ C0] <IRQ>
[ 168.150552][ C0] dump_stack+0x1fb/0x318
[ 168.154886][ C0] nmi_cpu_backtrace+0xaf/0x1a0
[ 168.159746][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290
[ 168.165906][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20
[ 168.171988][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290
[ 168.178020][ C0] arch_trigger_cpumask_backtrace+0x10/0x20
[ 168.183922][ C0] rcu_dump_cpu_stacks+0x15a/0x220
[ 168.189041][ C0] rcu_sched_clock_irq+0xe25/0x1ad0
[ 168.194256][ C0] ? trace_hardirqs_off+0x74/0x80
[ 168.199277][ C0] update_process_times+0x12d/0x180
[ 168.204470][ C0] tick_sched_timer+0x263/0x420
[ 168.209305][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0
[ 168.214836][ C0] __hrtimer_run_queues+0x403/0x840
[ 168.220036][ C0] hrtimer_interrupt+0x38c/0xda0
[ 168.224978][ C0] ? debug_smp_processor_id+0x9/0x20
[ 168.230253][ C0] smp_apic_timer_interrupt+0x109/0x280
[ 168.235789][ C0] apic_timer_interrupt+0xf/0x20
[ 168.240709][ C0] </IRQ>
[ 168.243646][ C0] RIP: 0010:__memcg_kmem_uncharge+0x40/0x2e0
[ 168.249613][ C0] Code: 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 4d 85 ff 0f 84 bf 01 00 00 4c 39 3d c4 8f 8c 07 0f 84
[ 168.269206][ C0] RSP: 0018:ffffc90002697868 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
[ 168.277606][ C0] RAX: 0000000000000001 RBX: 0000000000000000 RCX: ffff8880a32a2400
[ 168.285561][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea0002468440
[ 168.293544][ C0] RBP: ffffc90002697898 R08: 000000000003a768 R09: ffffed101525a2af
[ 168.301514][ C0] R10: ffffed101525a2af R11: 0000000000000000 R12: ffffea0002468440
[ 168.309483][ C0] R13: 1ffffd400048d08f R14: ffffea0002468478 R15: 0000000000000000
[ 168.317465][ C0] ? free_thread_stack+0x124/0x590
[ 168.322564][ C0] free_thread_stack+0x12e/0x590
[ 168.327489][ C0] put_task_stack+0xa3/0x130
[ 168.332066][ C0] finish_task_switch+0x3f1/0x550
[ 168.337092][ C0] __schedule+0x9a8/0xcc0
[ 168.341418][ C0] preempt_schedule_irq+0xc1/0x140
[ 168.346515][ C0] retint_kernel+0x1b/0x2b
[ 168.350917][ C0] RIP: 0010:qlink_free+0x91/0xb0
[ 168.355839][ C0] Code: 58 07 00 74 35 4c 89 f7 57 9d 0f 1f 44 00 00 e8 15 1b ca ff eb 19 e8 ae 18 ca ff 48 83 3d 0e 7a 58 07 00 74 17 4c 89 f7 57 9d <0f> 1f 44 00 00 5b 41 5e 41 5f 5d c3 0f 0b 0f 0b 0f 0b 0f 0b 90 66
[ 168.375518][ C0] RSP: 0018:ffffc90002697af8 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[ 168.383923][ C0] RAX: ffff8880a32a2c94 RBX: ffff8880a838c300 RCX: ffff8880a32a2400
[ 168.391882][ C0] RDX: 0000000000000000 RSI: ffffffff81b2176e RDI: 0000000000000286
[ 168.399840][ C0] RBP: ffffc90002697b10 R08: ffff8880a32a2c58 R09: ffffed1025fff789
[ 168.407798][ C0] R10: ffffed1025fff789 R11: 0000000000000000 R12: ffff8880a838c300
[ 168.415766][ C0] R13: 0000000000001000 R14: 0000000000000286 R15: ffff8880aa9f9a80
[ 168.423740][ C0] ? quarantine_reduce+0x15e/0x1d0
[ 168.429366][ C0] quarantine_reduce+0x15e/0x1d0
[ 168.434288][ C0] __kasan_kmalloc+0x46/0x1b0
[ 168.438961][ C0] ? rcu_read_lock_sched_held+0x10b/0x170
[ 168.444668][ C0] ? trace_mm_page_alloc+0x18c/0x1f0
[ 168.449942][ C0] ? cache_grow_end+0x143/0x170
[ 168.455748][ C0] ? do_raw_spin_unlock+0x136/0x260
[ 168.460945][ C0] ? _raw_spin_unlock+0x27/0x40
[ 168.465794][ C0] ? cache_grow_end+0x143/0x170
[ 168.470635][ C0] ? kmem_cache_alloc+0x194/0x2e0
[ 168.475645][ C0] kasan_slab_alloc+0xf/0x20
[ 168.480220][ C0] kmem_cache_alloc+0x1f5/0x2e0
[ 168.485052][ C0] ? getname_flags+0xba/0x640
[ 168.489726][ C0] getname_flags+0xba/0x640
[ 168.494220][ C0] getname+0x19/0x20
[ 168.498100][ C0] do_sys_open+0x261/0x560
[ 168.502510][ C0] __x64_sys_open+0x87/0x90
[ 168.507005][ C0] do_syscall_64+0xf7/0x1c0
[ 168.511503][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 168.517388][ C0] RIP: 0033:0x7f7f8845b120
[ 168.521794][ C0] Code: 48 8b 15 1b 4d 2b 00 f7 d8 64 89 02 83 c8 ff c3 90 90 90 90 90 90 90 90 90 90 83 3d d5 a4 2b 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 5e 8c 01 00 48 89 04 24
[ 168.541493][ C0] RSP: 002b:00007ffc7d7f9c08 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
[ 168.549928][ C0] RAX: ffffffffffffffda RBX: 00007ffc7d7fac50 RCX: 00007f7f8845b120
[ 168.557895][ C0] RDX: 00007ffc7d7f9c22 RSI: 0000000000000000 RDI: 00007ffc7d7f9c10
[ 168.565927][ C0] RBP: 0000000000000700 R08: 0000000000000000 R09: 0000000000000001
[ 168.573894][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc7d7fbcc8
[ 168.581855][ C0] R13: 0000000000000000 R14: 00007f7f8893c820 R15: 00007f7f887322a2