[ 44.421876][ T23] audit: type=1800 audit(1575388525.817:25): pid=8060 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 44.441673][ T23] audit: type=1800 audit(1575388525.817:26): pid=8060 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 44.497460][ T23] audit: type=1800 audit(1575388525.817:27): pid=8060 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. [ 45.082131][ T8131] sshd (8131) used greatest stack depth: 23416 bytes left [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.97' (ECDSA) to the list of known hosts. 2019/12/03 15:55:36 fuzzer started 2019/12/03 15:55:38 dialing manager at 10.128.0.26:45711 2019/12/03 15:55:38 syscalls: 2689 2019/12/03 15:55:38 code coverage: enabled 2019/12/03 15:55:38 comparison tracing: enabled 2019/12/03 15:55:38 extra coverage: extra coverage is not supported by the kernel 2019/12/03 15:55:38 setuid sandbox: enabled 2019/12/03 15:55:38 namespace sandbox: enabled 2019/12/03 15:55:38 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 15:55:38 fault injection: enabled 2019/12/03 15:55:38 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 15:55:38 net packet injection: enabled 2019/12/03 15:55:38 net device setup: enabled 2019/12/03 15:55:38 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 15:55:38 devlink PCI setup: PCI device 0000:00:10.0 is not available 15:55:39 executing program 0: r0 = socket$inet6(0xa, 0x80002, 0x0) getsockopt$IP6T_SO_GET_ENTRIES(r0, 0x29, 0x41, 0xfffffffffffffffd, &(0x7f0000000080)=0xfffffffffffffce0) 15:55:39 executing program 1: mmap(&(0x7f0000011000/0x3000)=nil, 0x3000, 0x4, 0x32, 0xffffffffffffffff, 0x0) r0 = userfaultfd(0x0) ioctl$UFFDIO_API(r0, 0xc018aa3f, &(0x7f0000000000)) ioctl$UFFDIO_REGISTER(r0, 0xc020aa00, &(0x7f0000004fe0)={{&(0x7f0000011000/0x3000)=nil, 0x3000}, 0x1}) r1 = socket$inet6_sctp(0xa, 0x80000000000001, 0x84) getsockopt$inet6_int(r1, 0x29, 0x38, 0x0, &(0x7f0000013000)=0x16a84c33b468db87) mmap(&(0x7f0000000000/0xfe3000)=nil, 0xfe3000, 0x3, 0x32, 0xffffffffffffffff, 0x0) close(r0) syzkaller login: [ 57.984659][ T8225] IPVS: ftp: loaded support on port[0] = 21 15:55:39 executing program 2: r0 = socket(0x40000000015, 0x5, 0x0) sendto$inet(r0, 0x0, 0x0, 0x4000000, &(0x7f0000000300)={0x2, 0x0, @multicast1}, 0x10) [ 58.161425][ T8225] chnl_net:caif_netlink_parms(): no params data found [ 58.162256][ T8228] IPVS: ftp: loaded support on port[0] = 21 [ 58.251044][ T8225] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.263516][ T8225] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.272791][ T8225] device bridge_slave_0 entered promiscuous mode [ 58.305670][ T8225] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.313520][ T8225] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.331648][ T8225] device bridge_slave_1 entered promiscuous mode 15:55:39 executing program 3: r0 = syz_open_dev$evdev(&(0x7f0000000040)='/dev/input/event#\x00', 0x476, 0x101102) write$evdev(r0, &(0x7f0000000100)=[{{0x0, 0x7530}, 0x1, 0x63}], 0xff49) pipe(&(0x7f0000000080)={0xffffffffffffffff, 0xffffffffffffffff}) splice(r0, 0x0, r1, 0x0, 0x10000, 0x2) [ 58.433838][ T8225] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.450479][ T8228] chnl_net:caif_netlink_parms(): no params data found [ 58.489252][ T8225] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.525105][ T8231] IPVS: ftp: loaded support on port[0] = 21 [ 58.564930][ T8225] team0: Port device team_slave_0 added [ 58.583979][ T8225] team0: Port device team_slave_1 added [ 58.597490][ T8228] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.621491][ T8228] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.629199][ T8228] device bridge_slave_0 entered promiscuous mode 15:55:40 executing program 4: syz_read_part_table(0x0, 0x1, &(0x7f0000000040)=[{&(0x7f0000000000)="0201a5ffffff00090000ff07000080ffffff85ffffff000000000100000000ffffff81000004800000000a0000000005000000000000000000000000000055aa", 0x40, 0x1c0}]) [ 58.672530][ T8228] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.679608][ T8228] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.701438][ T8228] device bridge_slave_1 entered promiscuous mode [ 58.783932][ T8225] device hsr_slave_0 entered promiscuous mode [ 58.821635][ T8225] device hsr_slave_1 entered promiscuous mode 15:55:40 executing program 5: r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000140)='/dev/net/tun\x00', 0x0, 0x0) ioctl$TUNSETIFF(r0, 0x400454ca, &(0x7f0000000000)={'bcsf0\x00', 0x4009}) ioctl$TUNSETLINK(r0, 0x400454cd, 0x336) close(r0) [ 58.870881][ T8233] IPVS: ftp: loaded support on port[0] = 21 [ 58.932467][ T8228] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.947961][ T8235] IPVS: ftp: loaded support on port[0] = 21 [ 58.975035][ T8228] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.039367][ T8225] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 59.083146][ T8225] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 59.132958][ T8228] team0: Port device team_slave_0 added [ 59.141516][ T8228] team0: Port device team_slave_1 added [ 59.153260][ T8225] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 59.200356][ T8237] IPVS: ftp: loaded support on port[0] = 21 [ 59.224768][ T8225] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 59.343872][ T8228] device hsr_slave_0 entered promiscuous mode [ 59.381668][ T8228] device hsr_slave_1 entered promiscuous mode [ 59.421530][ T8228] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.447072][ T8231] chnl_net:caif_netlink_parms(): no params data found [ 59.538815][ T8228] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 59.588846][ T8231] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.596173][ T8231] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.603860][ T8231] device bridge_slave_0 entered promiscuous mode [ 59.611987][ T8231] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.619064][ T8231] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.626905][ T8231] device bridge_slave_1 entered promiscuous mode [ 59.645119][ T8228] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 59.695481][ T8228] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 59.743231][ T8228] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 59.797397][ T8231] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.807286][ T8233] chnl_net:caif_netlink_parms(): no params data found [ 59.838459][ T8235] chnl_net:caif_netlink_parms(): no params data found [ 59.850036][ T8231] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 59.877253][ T8231] team0: Port device team_slave_0 added [ 59.884976][ T8231] team0: Port device team_slave_1 added [ 59.944201][ T8231] device hsr_slave_0 entered promiscuous mode [ 60.011696][ T8231] device hsr_slave_1 entered promiscuous mode [ 60.071445][ T8231] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.119774][ T8235] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.128713][ T8235] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.136930][ T8235] device bridge_slave_0 entered promiscuous mode [ 60.145573][ T8235] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.152723][ T8235] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.160266][ T8235] device bridge_slave_1 entered promiscuous mode [ 60.194804][ T8235] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.209560][ T8235] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.225779][ T8233] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.233504][ T8233] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.241015][ T8233] device bridge_slave_0 entered promiscuous mode [ 60.250895][ T8233] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.258075][ T8233] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.265844][ T8233] device bridge_slave_1 entered promiscuous mode [ 60.298155][ T8235] team0: Port device team_slave_0 added [ 60.328873][ T8235] team0: Port device team_slave_1 added [ 60.346219][ T8231] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 60.405986][ T8231] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 60.466043][ T8231] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 60.515827][ T8231] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 60.564603][ T8233] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.579225][ T8237] chnl_net:caif_netlink_parms(): no params data found [ 60.591982][ T8233] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.608475][ T8225] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.693471][ T8235] device hsr_slave_0 entered promiscuous mode [ 60.731693][ T8235] device hsr_slave_1 entered promiscuous mode [ 60.771425][ T8235] debugfs: Directory 'hsr0' with parent '/' already present! [ 60.781860][ T8233] team0: Port device team_slave_0 added [ 60.794076][ T8237] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.801149][ T8237] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.809090][ T8237] device bridge_slave_0 entered promiscuous mode [ 60.831632][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.839690][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.851622][ T8228] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.860132][ T8225] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.870006][ T8233] team0: Port device team_slave_1 added [ 60.876560][ T8237] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.885169][ T8237] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.893991][ T8237] device bridge_slave_1 entered promiscuous mode [ 60.912024][ T8237] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.949420][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.958498][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.966977][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.974114][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.982242][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.990673][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.999257][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.006336][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.013941][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.022432][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.030055][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.039351][ T8237] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.052667][ T8228] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.123229][ T8233] device hsr_slave_0 entered promiscuous mode [ 61.151713][ T8233] device hsr_slave_1 entered promiscuous mode [ 61.211424][ T8233] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.222459][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.230337][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.239125][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.247524][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.256627][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.277186][ T8237] team0: Port device team_slave_0 added [ 61.317202][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.327865][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.336978][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.345564][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.354546][ T3208] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.361661][ T3208] bridge0: port 1(bridge_slave_0) entered forwarding state [ 61.369099][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.377970][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.386399][ T3208] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.393462][ T3208] bridge0: port 2(bridge_slave_1) entered forwarding state [ 61.401916][ T3208] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.411948][ T8237] team0: Port device team_slave_1 added [ 61.418942][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 61.427610][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 61.436557][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.457432][ T8231] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.465016][ T8235] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 61.543116][ T8235] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 61.599830][ T8225] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 61.611952][ T8225] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 61.636891][ T8235] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 61.683804][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 61.692181][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 61.700212][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.708816][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.717215][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.727080][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 61.735185][ T8233] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 61.796223][ T8231] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.809634][ T8235] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 61.834275][ T8233] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 61.903891][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.913963][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 61.984127][ T8237] device hsr_slave_0 entered promiscuous mode [ 62.022107][ T8237] device hsr_slave_1 entered promiscuous mode [ 62.071454][ T8237] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.084891][ T8233] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 62.126911][ T8233] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 62.182850][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.194312][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.202840][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.209864][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.217636][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.226429][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.235094][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.242202][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.249778][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.258429][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.266736][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.309223][ T8225] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.319402][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.328295][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.337539][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.346067][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.354861][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.363270][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.370644][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.378083][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 62.410308][ T8228] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.433111][ T8228] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 62.458047][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 62.467196][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.477038][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.485902][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.494519][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 62.502050][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 62.509511][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 62.517970][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 62.526313][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 62.534702][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 62.542859][ T2952] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 62.565104][ T8237] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 62.605563][ T8231] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 62.628976][ T8235] 8021q: adding VLAN 0 to HW filter on device bond0 [ 62.640404][ T8237] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 167.671286][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 167.678061][ C1] rcu: 1-...!: (10499 ticks this GP) idle=3b2/1/0x4000000000000002 softirq=11701/11701 fqs=1 [ 167.688541][ C1] (t=10500 jiffies g=6317 q=53) [ 167.693473][ C1] rcu: rcu_preempt kthread starved for 10498 jiffies! g6317 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 167.704551][ C1] rcu: RCU grace-period kthread stack dump: [ 167.710426][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 167.718310][ C1] Call Trace: [ 167.721595][ C1] __schedule+0x9a0/0xcc0 [ 167.725920][ C1] schedule+0x181/0x210 [ 167.730069][ C1] schedule_timeout+0x14f/0x240 [ 167.734906][ C1] ? run_local_timers+0x120/0x120 [ 167.739919][ C1] rcu_gp_kthread+0xed8/0x1770 [ 167.744678][ C1] kthread+0x332/0x350 [ 167.748728][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 167.753838][ C1] ? kthread_blkcg+0xe0/0xe0 [ 167.758462][ C1] ret_from_fork+0x24/0x30 [ 167.762970][ C1] NMI backtrace for cpu 1 [ 167.767304][ C1] CPU: 1 PID: 8247 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 167.775540][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 167.785602][ C1] Call Trace: [ 167.788885][ C1] [ 167.791738][ C1] dump_stack+0x1fb/0x318 [ 167.796067][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 167.800908][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 167.807061][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 167.813117][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 167.819090][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 167.824969][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 167.830072][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 167.835262][ C1] ? trace_hardirqs_off+0x74/0x80 [ 167.840273][ C1] update_process_times+0x12d/0x180 [ 167.845460][ C1] tick_sched_timer+0x263/0x420 [ 167.850301][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 167.855858][ C1] __hrtimer_run_queues+0x403/0x840 [ 167.861067][ C1] hrtimer_interrupt+0x38c/0xda0 [ 167.866022][ C1] ? debug_smp_processor_id+0x9/0x20 [ 167.871302][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 167.876838][ C1] apic_timer_interrupt+0xf/0x20 [ 167.881763][ C1] [ 167.884777][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x48/0x50 [ 167.890918][ C1] Code: 80 13 00 00 83 fa 02 75 21 48 8b 91 88 13 00 00 48 8b 32 48 8d 7e 01 8b 89 84 13 00 00 48 39 cf 73 08 48 89 44 f2 08 48 89 3a 0f 1f 80 00 00 00 00 4c 8b 04 24 65 48 8b 04 25 c0 1d 02 00 65 [ 167.911101][ C1] RSP: 0018:ffffc900028c7420 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 167.919499][ C1] RAX: ffffffff81487326 RBX: ffffea00023f4b40 RCX: ffff88806c130040 [ 167.927457][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea00023f4b40 [ 167.935417][ C1] RBP: ffffc900028c7448 R08: dffffc0000000000 R09: fffffbfff12877ed [ 167.943385][ C1] R10: fffffbfff12877ed R11: 0000000000000000 R12: ffff88808c6830a0 [ 167.951344][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880922874a8 [ 167.959317][ C1] ? mod_memcg_page_state+0x16/0x190 [ 167.964590][ C1] ? mod_memcg_page_state+0x16/0x190 [ 167.969876][ C1] free_thread_stack+0x168/0x590 [ 167.974803][ C1] put_task_stack+0xa3/0x130 [ 167.979383][ C1] finish_task_switch+0x3f1/0x550 [ 167.984400][ C1] __schedule+0x9a8/0xcc0 [ 167.988745][ C1] ? ___preempt_schedule+0x16/0x18 [ 167.993857][ C1] preempt_schedule+0xdb/0x120 [ 167.998618][ C1] ___preempt_schedule+0x16/0x18 [ 168.003556][ C1] _raw_spin_unlock+0x3a/0x40 [ 168.008233][ C1] zap_pte_range+0x1732/0x1c30 [ 168.012994][ C1] ? __tlb_remove_page_size+0x1b8/0x3e0 [ 168.018560][ C1] unmap_page_range+0x9b5/0xb00 [ 168.023446][ C1] unmap_single_vma+0x1d4/0x2e0 [ 168.028300][ C1] unmap_vmas+0x163/0x2a0 [ 168.032626][ C1] exit_mmap+0x27b/0x530 [ 168.036872][ C1] __mmput+0x120/0x3a0 [ 168.040929][ C1] mmput+0x5d/0x70 [ 168.044638][ C1] exit_mm+0x50a/0x590 [ 168.048706][ C1] do_exit+0x544/0x2020 [ 168.052849][ C1] ? get_signal+0x3aa/0x1d60 [ 168.057436][ C1] do_group_exit+0x15c/0x2b0 [ 168.062018][ C1] get_signal+0x4ac/0x1d60 [ 168.066532][ C1] do_signal+0x37/0x640 [ 168.070678][ C1] ? check_preemption_disabled+0xb4/0x260 [ 168.076469][ C1] ? debug_smp_processor_id+0x9/0x20 [ 168.081750][ C1] ? prepare_exit_to_usermode+0x282/0x5b0 [ 168.087465][ C1] prepare_exit_to_usermode+0x32d/0x5b0 [ 168.093004][ C1] syscall_return_slowpath+0x113/0x4a0 [ 168.098535][ C1] ? __x64_sys_futex+0xe5/0x100 [ 168.103375][ C1] do_syscall_64+0x11f/0x1c0 [ 168.107954][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 168.113832][ C1] RIP: 0033:0x45a679 [ 168.117717][ C1] Code: ad b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 7b b6 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 168.137305][ C1] RSP: 002b:00007f6292720cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 168.145699][ C1] RAX: 0000000000000000 RBX: 000000000075bf28 RCX: 000000000045a679 [ 168.153656][ C1] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 168.161617][ C1] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 168.170268][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 168.178226][ C1] R13: 00007ffc9973a06f R14: 00007f62927219c0 R15: 000000000075bf2c