[ 42.646907][ T23] audit: type=1800 audit(1575355660.639:27): pid=8048 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.666318][ T23] audit: type=1800 audit(1575355660.639:28): pid=8048 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. [ 43.314694][ T23] audit: type=1800 audit(1575355661.369:29): pid=8048 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 43.333961][ T23] audit: type=1800 audit(1575355661.369:30): pid=8048 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 '10.128.10.5' (ECDSA) to the list of known hosts. 2019/12/03 06:47:50 fuzzer started 2019/12/03 06:47:51 dialing manager at 10.128.0.26:38907 2019/12/03 06:47:51 syscalls: 2697 2019/12/03 06:47:51 code coverage: enabled 2019/12/03 06:47:51 comparison tracing: enabled 2019/12/03 06:47:51 extra coverage: extra coverage is not supported by the kernel 2019/12/03 06:47:51 setuid sandbox: enabled 2019/12/03 06:47:51 namespace sandbox: enabled 2019/12/03 06:47:51 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 06:47:51 fault injection: enabled 2019/12/03 06:47:51 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 06:47:51 net packet injection: enabled 2019/12/03 06:47:51 net device setup: enabled 2019/12/03 06:47:51 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 06:47:51 devlink PCI setup: PCI device 0000:00:10.0 is not available 06:47:52 executing program 0: r0 = socket$kcm(0x10, 0x2, 0x0) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f0000000200)="d800000018008109e00f80ecdb4cb9040a1d65ef0b007c05e87c55a1bc000900b8000699030000000500150007008178a8001600400005000200000003ac040000d67f6f94007134cf6efb8000a007a290457f0189b316277ce06bbace8017cbec4c2ee5a7cef4090000001fb791643a5ee4ce1b14d6d930dfe1d9d322fe04000000730d16a4683e4f6d0200003f5aeb4edbb57a5025ccca9e00360db798262f3d40fad95667e04adcdf634c1f215ce3bb9ad809d5e1cace81ed0b7fece0b42a9ecbee5de6ccd40dd6e4edef3d93452a92307f27260e9703", 0xd8}], 0x1}, 0x0) 06:47:53 executing program 1: mkdir(&(0x7f0000000240)='./file1\x00', 0x0) mkdir(&(0x7f0000000180)='./bus\x00', 0x0) mkdir(&(0x7f0000000280)='./file0\x00', 0x0) mount$overlay(0x400000, &(0x7f0000000000)='./bus\x00', &(0x7f0000000400)='overlay\x00', 0x0, &(0x7f0000000300)=ANY=[@ANYBLOB='lowerdir=./bus,workdir=./file1,upperdir=./file0']) creat(&(0x7f0000002e80)='./bus/file0\x00', 0x0) unlink(&(0x7f00000001c0)='./bus/file0\x00') syzkaller login: [ 55.104129][ T8211] IPVS: ftp: loaded support on port[0] = 21 [ 55.303044][ T8211] chnl_net:caif_netlink_parms(): no params data found [ 55.312653][ T8214] IPVS: ftp: loaded support on port[0] = 21 06:47:53 executing program 2: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) setsockopt$IPT_SO_SET_REPLACE(r1, 0x0, 0x40, &(0x7f00000001c0)=ANY=[@ANYBLOB="6e61853100022200000100000000000000000000e4dbb77487e9010400ffffff7f0000007bea0000011b2300000503000018030000cc0000428581c30000000006000000000000000000080000f34f8dfac0dc1695c4f8000ae7b8bbb76bab1004000010040006d32379b87c5ade6e68b6469a2246d81751c2f2d3c00f3f72e211777424c9814f1f852110e5d4820b060000006b630100000000ffffffffb341cfe8d68c26b866cd05005d0f4d6715ba085900323e000006700083d1c7cfd3f37bbfff96385f55b911f545b74eaed22dc04c36"], 0x1) [ 55.385034][ T8211] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.392116][ T8211] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.404664][ T8211] device bridge_slave_0 entered promiscuous mode [ 55.448375][ T8211] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.457463][ T8211] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.465836][ T8211] device bridge_slave_1 entered promiscuous mode [ 55.540834][ T8211] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.568193][ T8214] chnl_net:caif_netlink_parms(): no params data found [ 55.597263][ T8211] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 06:47:53 executing program 3: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x4, 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, 0x7, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) futex(0x0, 0x85, 0x0, 0x0, 0x0, 0xa1f40001) [ 55.651329][ T8211] team0: Port device team_slave_0 added [ 55.686916][ T8214] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.714112][ T8214] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.722126][ T8214] device bridge_slave_0 entered promiscuous mode [ 55.745473][ T8211] team0: Port device team_slave_1 added [ 55.756334][ T8214] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.774548][ T8214] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.794349][ T8214] device bridge_slave_1 entered promiscuous mode [ 55.824516][ T8219] IPVS: ftp: loaded support on port[0] = 21 06:47:53 executing program 4: r0 = syz_open_dev$video(&(0x7f0000000040)='/dev/video#\x00', 0x0, 0x0) ioctl$VIDIOC_CREATE_BUFS(r0, 0xc100565c, &(0x7f00000000c0)={0x0, 0x8000, 0x4, {0x1, @pix={0x0, 0x0, 0x0, 0x0, 0x0, 0x15182c}}}) ioctl$VIDIOC_S_FMT(r0, 0xc0d05605, &(0x7f00000002c0)={0x1, @pix_mp}) [ 55.895888][ T8211] device hsr_slave_0 entered promiscuous mode [ 55.944893][ T8211] device hsr_slave_1 entered promiscuous mode [ 56.005903][ T8214] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.040372][ T8214] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.100236][ T8214] team0: Port device team_slave_0 added [ 56.104266][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 56.137984][ T8214] team0: Port device team_slave_1 added [ 56.177332][ T8211] netdevsim netdevsim0 netdevsim0: renamed from eth0 06:47:54 executing program 5: r0 = syz_open_dev$loop(&(0x7f0000000180)='/dev/loop#\x00', 0x0, 0x2001) ioctl$BLKSECDISCARD(r0, 0x127d, &(0x7f0000000000)=0x4000000) [ 56.227337][ T8211] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.297901][ T8222] IPVS: ftp: loaded support on port[0] = 21 [ 56.328428][ T8211] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.376808][ T8211] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.505672][ T8214] device hsr_slave_0 entered promiscuous mode [ 56.543051][ T8214] device hsr_slave_1 entered promiscuous mode [ 56.612672][ T8214] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.638842][ T8224] IPVS: ftp: loaded support on port[0] = 21 [ 56.728702][ T8214] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 56.818907][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 56.831388][ T8214] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.874555][ T8214] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.936393][ T8214] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.009561][ T8219] chnl_net:caif_netlink_parms(): no params data found [ 57.030239][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.038427][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.046540][ T8220] device bridge_slave_0 entered promiscuous mode [ 57.080197][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.087846][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.096230][ T8220] device bridge_slave_1 entered promiscuous mode [ 57.114947][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.127913][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.185545][ T8220] team0: Port device team_slave_0 added [ 57.193283][ T8220] team0: Port device team_slave_1 added [ 57.199051][ T8219] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.206418][ T8219] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.214950][ T8219] device bridge_slave_0 entered promiscuous mode [ 57.222982][ T8219] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.230031][ T8219] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.238222][ T8219] device bridge_slave_1 entered promiscuous mode [ 57.286392][ T8219] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.315541][ T8219] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.338953][ T8222] chnl_net:caif_netlink_parms(): no params data found [ 57.358201][ T8224] chnl_net:caif_netlink_parms(): no params data found [ 57.414867][ T8220] device hsr_slave_0 entered promiscuous mode [ 57.462958][ T8220] device hsr_slave_1 entered promiscuous mode [ 57.502596][ T8220] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.520072][ T8219] team0: Port device team_slave_0 added [ 57.555816][ T8214] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.564801][ T8219] team0: Port device team_slave_1 added [ 57.609296][ T8214] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.625240][ T8222] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.632302][ T8222] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.640565][ T8222] device bridge_slave_0 entered promiscuous mode [ 57.648251][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.657507][ T8215] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.668902][ T8224] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.676336][ T8224] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.684484][ T8224] device bridge_slave_0 entered promiscuous mode [ 57.697951][ T8211] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.754470][ T8219] device hsr_slave_0 entered promiscuous mode [ 57.813043][ T8219] device hsr_slave_1 entered promiscuous mode [ 57.872726][ T8219] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.881491][ T8222] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.888699][ T8222] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.896677][ T8222] device bridge_slave_1 entered promiscuous mode [ 57.915527][ T8222] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.924694][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.933823][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.942077][ T3018] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.949237][ T3018] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.957424][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.966906][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.975654][ T3018] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.982758][ T3018] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.991440][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.000452][ T8224] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.007574][ T8224] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.015269][ T8224] device bridge_slave_1 entered promiscuous mode [ 58.044243][ T8222] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.065709][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.074811][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.084386][ T8211] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.106463][ T8222] team0: Port device team_slave_0 added [ 58.117851][ T8230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.127666][ T8230] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.137319][ T8230] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.146115][ T8230] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.153223][ T8230] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.162348][ T3018] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.179990][ T8222] team0: Port device team_slave_1 added [ 58.185891][ T8220] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.235707][ T8224] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.248545][ T8224] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.261021][ T8219] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.305007][ T8219] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.365085][ T8219] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.404397][ T8220] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.445429][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.454234][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.462895][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.471279][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.478363][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.501765][ T8219] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.524096][ T8220] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.564301][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.577195][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.585662][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.594578][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.603085][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.611223][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.619759][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.628561][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.636725][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.645310][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.653808][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.661482][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.674801][ T8224] team0: Port device team_slave_0 added [ 58.681835][ T8224] team0: Port device team_slave_1 added [ 58.708700][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.717833][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.726289][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.734950][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.743793][ T8220] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.797077][ T8214] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.864440][ T8222] device hsr_slave_0 entered promiscuous mode [ 58.912823][ T8222] device hsr_slave_1 entered promiscuous mode [ 58.962755][ T8222] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.979378][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.990622][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.025553][ T8224] device hsr_slave_0 entered promiscuous mode [ 59.072812][ T8224] device hsr_slave_1 entered promiscuous mode [ 59.122633][ T8224] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.145713][ T8211] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.157779][ T8211] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.186116][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.194948][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.202339][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.210930][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.255835][ T8230] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.264183][ T8230] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.271930][ T8222] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.305887][ T8214] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.324428][ T8211] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.332676][ T8222] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.374177][ T8222] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.414705][ T8222] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 59.467176][ T8224] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.536559][ T8224] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.588260][ T8224] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.632347][ T8237] overlayfs: upperdir is in-use as upperdir/workdir of another mount, mount with '-o index=off' to override exclusive upperdir protection. [ 164.652467][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 164.659306][ C0] rcu: 0-...!: (10499 ticks this GP) idle=86a/1/0x4000000000000002 softirq=10929/10929 fqs=0 [ 164.669795][ C0] (t=10500 jiffies g=6465 q=81) [ 164.674723][ C0] rcu: rcu_preempt kthread starved for 10500 jiffies! g6465 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x402 ->cpu=1 [ 164.685981][ C0] rcu: RCU grace-period kthread stack dump: [ 164.691857][ C0] rcu_preempt I29032 10 2 0x80004000 [ 164.698180][ C0] Call Trace: [ 164.701469][ C0] __schedule+0x9a0/0xcc0 [ 164.705797][ C0] schedule+0x181/0x210 [ 164.709939][ C0] schedule_timeout+0x14f/0x240 [ 164.714776][ C0] ? run_local_timers+0x120/0x120 [ 164.719812][ C0] rcu_gp_kthread+0xed8/0x1770 [ 164.724574][ C0] kthread+0x332/0x350 [ 164.728632][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 164.733728][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.738305][ C0] ret_from_fork+0x24/0x30 [ 164.742746][ C0] NMI backtrace for cpu 0 [ 164.747070][ C0] CPU: 0 PID: 8236 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 164.755302][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 164.765462][ C0] Call Trace: [ 164.768743][ C0] [ 164.771613][ C0] dump_stack+0x1fb/0x318 [ 164.775965][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 164.780811][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 164.786971][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 164.793037][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 164.799015][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 164.804897][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 164.810019][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 164.815222][ C0] ? trace_hardirqs_off+0x74/0x80 [ 164.820238][ C0] update_process_times+0x12d/0x180 [ 164.825426][ C0] tick_sched_timer+0x263/0x420 [ 164.830263][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 164.835796][ C0] __hrtimer_run_queues+0x403/0x840 [ 164.840995][ C0] hrtimer_interrupt+0x38c/0xda0 [ 164.845936][ C0] ? debug_smp_processor_id+0x9/0x20 [ 164.851244][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 164.856777][ C0] apic_timer_interrupt+0xf/0x20 [ 164.861698][ C0] [ 164.864625][ C0] RIP: 0010:__sanitizer_cov_trace_pc+0x22/0x50 [ 164.870784][ C0] Code: 64 02 3b 00 5b 5d c3 cc 48 8b 04 24 65 48 8b 0c 25 c0 1d 02 00 65 8b 15 b8 81 8b 7e f7 c2 00 01 1f 00 75 2c 8b 91 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 [ 164.890393][ C0] RSP: 0018:ffffc90002827e08 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.898804][ C0] RAX: ffffffff81487433 RBX: 0000000000000000 RCX: ffff8880a2f40040 [ 164.906765][ C0] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0001b0a740 [ 164.914724][ C0] RBP: ffffc90002827e30 R08: dffffc0000000000 R09: fffffbfff120248a [ 164.922680][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 164.930639][ C0] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff888091e9b868 [ 164.938617][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.943981][ C0] ? free_thread_stack+0x124/0x590 [ 164.949075][ C0] ? mod_memcg_page_state+0x123/0x190 [ 164.954457][ C0] free_thread_stack+0x168/0x590 [ 164.959384][ C0] put_task_stack+0xa3/0x130 [ 164.963976][ C0] finish_task_switch+0x3f1/0x550 [ 164.968989][ C0] schedule_tail+0x20/0x1a0 [ 164.973482][ C0] ret_from_fork+0x8/0x30 [ 164.977794][ C0] RIP: 0033:0x45d049 [ 164.981677][ 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 [ 165.001267][ C0] RSP: 002b:00007fbb7904cdb0 EFLAGS: 00000202 ORIG_RAX: 0000000000000038 [ 165.009665][ C0] RAX: 0000000000000000 RBX: 00007fbb7904d700 RCX: 000000000045d049 [ 165.017624][ C0] RDX: 00007fbb7904d9d0 RSI: 00007fbb7904cdb0 RDI: 00000000003d0f00 [ 165.025581][ C0] RBP: 00007ffd11a13500 R08: 00007fbb7904d700 R09: 00007fbb7904d700 [ 165.033538][ C0] R10: 00007fbb7904d9d0 R11: 0000000000000202 R12: 0000000000000000 [ 165.041500][ C0] R13: 00007ffd11a1339f R14: 00007fbb7904d9c0 R15: 000000000075bf2c