[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 43.876243][ T27] audit: type=1800 audit(1575443234.975:25): pid=8030 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 43.895795][ T27] audit: type=1800 audit(1575443234.975:26): pid=8030 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 43.916264][ T27] audit: type=1800 audit(1575443234.985:27): pid=8030 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.15.213' (ECDSA) to the list of known hosts. 2019/12/04 07:07:23 fuzzer started 2019/12/04 07:07:25 dialing manager at 10.128.0.26:42111 2019/12/04 07:07:25 syscalls: 2689 2019/12/04 07:07:25 code coverage: enabled 2019/12/04 07:07:25 comparison tracing: enabled 2019/12/04 07:07:25 extra coverage: extra coverage is not supported by the kernel 2019/12/04 07:07:25 setuid sandbox: enabled 2019/12/04 07:07:25 namespace sandbox: enabled 2019/12/04 07:07:25 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/04 07:07:25 fault injection: enabled 2019/12/04 07:07:25 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/04 07:07:25 net packet injection: enabled 2019/12/04 07:07:25 net device setup: enabled 2019/12/04 07:07:25 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/04 07:07:25 devlink PCI setup: PCI device 0000:00:10.0 is not available 07:07:26 executing program 0: bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x8, 0xe, &(0x7f0000001080)=ANY=[@ANYBLOB="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"], &(0x7f0000000100)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, [], 0x0, 0x1, 0xffffffffffffffff, 0x8, &(0x7f0000000000), 0x16b}, 0x48) 07:07:26 executing program 1: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = fcntl$dupfd(r0, 0x0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) prctl$PR_SET_SECCOMP(0x16, 0x2, &(0x7f00000000c0)={0x2, &(0x7f0000000140)=[{0x34, 0x0, 0x0, 0x1}, {0x6, 0x0, 0x0, 0xffffffff7fffffff}]}) syzkaller login: [ 55.405120][ T8193] IPVS: ftp: loaded support on port[0] = 21 [ 55.540413][ T8193] chnl_net:caif_netlink_parms(): no params data found [ 55.583133][ T8193] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.594495][ T8193] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.603166][ T8193] device bridge_slave_0 entered promiscuous mode [ 55.614375][ T8193] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.622179][ T8193] bridge0: port 2(bridge_slave_1) entered disabled state 07:07:26 executing program 2: r0 = socket$nl_route(0x10, 0x3, 0x0) setsockopt$netlink_NETLINK_TX_RING(r0, 0x10e, 0xc, &(0x7f0000000040)={0x107}, 0x119) sendmsg$nl_route(r0, &(0x7f0000000300)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000000)=@getlink={0x2c, 0x12, 0x5, 0x0, 0x0, {}, [@IFLA_ADDRESS={0xc, 0x1, @remote}]}, 0x2c}}, 0x0) [ 55.631740][ T8193] device bridge_slave_1 entered promiscuous mode [ 55.663721][ T8196] IPVS: ftp: loaded support on port[0] = 21 [ 55.681432][ T8193] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.735088][ T8193] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 55.798141][ T8198] IPVS: ftp: loaded support on port[0] = 21 [ 55.815088][ T8193] team0: Port device team_slave_0 added [ 55.840066][ T8193] team0: Port device team_slave_1 added 07:07:27 executing program 3: socketpair$unix(0x1, 0x1, 0x0, &(0x7f0000000300)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$l2tp(0x18, 0x1, 0x1) close(r2) [ 55.974276][ T8193] device hsr_slave_0 entered promiscuous mode 07:07:27 executing program 4: r0 = socket$kcm(0x10, 0x2, 0x10) sendmsg$kcm(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)=[{&(0x7f00000000c0)="2e0000002a000502d25a0004000000000100fc0010000b4002000000053582c137153e370900098000f01700d1bd", 0x2e}], 0x1}, 0x0) [ 56.062659][ T8193] device hsr_slave_1 entered promiscuous mode [ 56.183160][ T8200] IPVS: ftp: loaded support on port[0] = 21 [ 56.294066][ T8196] chnl_net:caif_netlink_parms(): no params data found 07:07:27 executing program 5: r0 = socket$inet_udplite(0x2, 0x2, 0x88) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) creat(&(0x7f0000000180)='./file0\x00', 0x0) clone(0x26100900, 0x0, 0xfffffffffffffffe, 0x0, 0xffffffffffffffff) mount(&(0x7f0000000080)=@md0='/dev/md0\x00', &(0x7f0000000000)='./file0\x00', &(0x7f0000000200)='iso9660\x00', 0x0, 0x0) [ 56.352503][ T8198] chnl_net:caif_netlink_parms(): no params data found [ 56.377246][ T8193] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 56.474422][ T8193] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 56.482285][ T8204] IPVS: ftp: loaded support on port[0] = 21 [ 56.539625][ T8196] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.547964][ T8196] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.555972][ T8196] device bridge_slave_0 entered promiscuous mode [ 56.568006][ T8193] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.577630][ T8206] IPVS: ftp: loaded support on port[0] = 21 [ 56.603766][ T8193] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.676930][ T8196] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.684275][ T8196] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.693079][ T8196] device bridge_slave_1 entered promiscuous mode [ 56.750162][ T8196] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.762553][ T8196] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.782438][ T8198] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.789549][ T8198] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.798712][ T8198] device bridge_slave_0 entered promiscuous mode [ 56.807792][ T8198] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.816409][ T8198] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.824787][ T8198] device bridge_slave_1 entered promiscuous mode [ 56.850676][ T8196] team0: Port device team_slave_0 added [ 56.859581][ T8196] team0: Port device team_slave_1 added [ 56.875182][ T8200] chnl_net:caif_netlink_parms(): no params data found [ 56.901755][ T8198] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.963800][ T8196] device hsr_slave_0 entered promiscuous mode [ 57.010906][ T8196] device hsr_slave_1 entered promiscuous mode [ 57.070755][ T8196] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.109087][ T8198] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.136901][ T8200] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.144778][ T8200] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.152855][ T8200] device bridge_slave_0 entered promiscuous mode [ 57.173341][ T8196] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 57.212762][ T8200] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.219941][ T8200] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.228371][ T8200] device bridge_slave_1 entered promiscuous mode [ 57.253584][ T8200] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.264246][ T8200] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.273452][ T8196] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 57.322988][ T8196] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 57.364675][ T8196] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 57.426911][ T8198] team0: Port device team_slave_0 added [ 57.505187][ T8198] team0: Port device team_slave_1 added [ 57.523042][ T8204] chnl_net:caif_netlink_parms(): no params data found [ 57.535143][ T8200] team0: Port device team_slave_0 added [ 57.542540][ T8200] team0: Port device team_slave_1 added [ 57.568941][ T8206] chnl_net:caif_netlink_parms(): no params data found [ 57.652294][ T8200] device hsr_slave_0 entered promiscuous mode [ 57.720931][ T8200] device hsr_slave_1 entered promiscuous mode [ 57.760830][ T8200] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.773493][ T8206] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.781035][ T8206] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.788612][ T8206] device bridge_slave_0 entered promiscuous mode [ 57.798135][ T8193] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.833401][ T8206] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.843966][ T8206] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.851967][ T8206] device bridge_slave_1 entered promiscuous mode [ 57.869501][ T8206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.933224][ T8198] device hsr_slave_0 entered promiscuous mode [ 58.000855][ T8198] device hsr_slave_1 entered promiscuous mode [ 58.050696][ T8198] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.065607][ T8206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.075236][ T8204] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.082746][ T8204] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.090746][ T8204] device bridge_slave_0 entered promiscuous mode [ 58.107843][ T8204] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.116277][ T8204] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.125589][ T8204] device bridge_slave_1 entered promiscuous mode [ 58.142197][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.150961][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.167603][ T8193] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.190228][ T8204] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 58.218643][ T8204] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.239241][ T8200] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 58.303520][ T8206] team0: Port device team_slave_0 added [ 58.309363][ T8200] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 58.353641][ T8200] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 58.401973][ T8198] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 58.447748][ T8198] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 58.503643][ T8206] team0: Port device team_slave_1 added [ 58.509370][ T8198] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 58.554630][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.563434][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.572186][ T5] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.579376][ T5] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.587613][ T8200] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 58.654922][ T8198] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 58.704111][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.712209][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.721126][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.729415][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.736700][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.748089][ T8204] team0: Port device team_slave_0 added [ 58.758721][ T8204] team0: Port device team_slave_1 added [ 58.813645][ T8206] device hsr_slave_0 entered promiscuous mode [ 58.870935][ T8206] device hsr_slave_1 entered promiscuous mode [ 58.930753][ T8206] debugfs: Directory 'hsr0' with parent '/' already present! [ 58.950229][ T8196] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.977961][ T8208] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.044831][ T8204] device hsr_slave_0 entered promiscuous mode [ 59.090817][ T8204] device hsr_slave_1 entered promiscuous mode [ 59.140912][ T8204] debugfs: Directory 'hsr0' with parent '/' already present! [ 59.161852][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.170573][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.179352][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.188927][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.197691][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.206400][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.215493][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.246830][ T8193] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.258422][ T8193] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.268101][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.276748][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.284522][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.292779][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 59.301700][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 59.311661][ T8196] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.318480][ T8206] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 59.373840][ T8206] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 59.426159][ T8206] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 59.473676][ T8206] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 59.552052][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.561572][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.570258][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.577369][ T8207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 59.586141][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.596068][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.604977][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.612118][ T8207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 59.619720][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 59.630910][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 59.638379][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 59.665530][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.678695][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 59.698595][ T8193] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 59.723691][ T8204] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 59.755324][ T8200] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.769137][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 59.777855][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.786616][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.795457][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.804313][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 59.812880][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 59.822284][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.829903][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.837961][ T3885] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 59.855211][ T8196] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 59.866682][ T8196] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 59.876322][ T8204] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 59.916718][ T8200] 8021q: adding VLAN 0 to HW filter on device team0 [ 59.925281][ T8204] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 59.973100][ T8204] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 60.022922][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 60.031490][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 60.042673][ T8198] 8021q: adding VLAN 0 to HW filter on device bond0 [ 60.064592][ T8196] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 60.094130][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 60.102583][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 60.110232][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 60.120432][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 60.134793][ T8207] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.141967][ T8207] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.151839][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 60.165561][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 60.175012][ T8207] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.182121][ T8207] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.196041][ T8207] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.253032][ T8200] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 60.269681][ T8200] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 60.308821][ T8200] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 165.130460][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 165.137262][ C0] rcu: 0-...!: (10499 ticks this GP) idle=8e6/1/0x4000000000000002 softirq=10682/10684 fqs=36 [ 165.147935][ C0] (t=10500 jiffies g=6541 q=324) [ 165.152956][ C0] rcu: rcu_preempt kthread starved for 10416 jiffies! g6541 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 165.164060][ C0] rcu: RCU grace-period kthread stack dump: [ 165.169983][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 165.177897][ C0] Call Trace: [ 165.181188][ C0] __schedule+0x9a0/0xcc0 [ 165.185517][ C0] schedule+0x181/0x210 [ 165.189847][ C0] schedule_timeout+0x14f/0x240 [ 165.194704][ C0] ? run_local_timers+0x120/0x120 [ 165.199744][ C0] rcu_gp_kthread+0xed8/0x1770 [ 165.204511][ C0] kthread+0x332/0x350 [ 165.208667][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 165.213799][ C0] ? kthread_blkcg+0xe0/0xe0 [ 165.218382][ C0] ret_from_fork+0x24/0x30 [ 165.222802][ C0] NMI backtrace for cpu 0 [ 165.227131][ C0] CPU: 0 PID: 8216 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 165.235354][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 165.245396][ C0] Call Trace: [ 165.248688][ C0] [ 165.251529][ C0] dump_stack+0x1fb/0x318 [ 165.255850][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 165.260690][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 165.266834][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 165.272888][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 165.278859][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 165.284772][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 165.289934][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 165.295155][ C0] ? trace_hardirqs_off+0x74/0x80 [ 165.300369][ C0] update_process_times+0x12d/0x180 [ 165.305565][ C0] tick_sched_timer+0x263/0x420 [ 165.310515][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 165.316051][ C0] __hrtimer_run_queues+0x403/0x840 [ 165.321271][ C0] hrtimer_interrupt+0x38c/0xda0 [ 165.326303][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.331585][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 165.337152][ C0] apic_timer_interrupt+0xf/0x20 [ 165.342077][ C0] [ 165.345027][ C0] RIP: 0010:free_thread_stack+0x11f/0x590 [ 165.350771][ C0] Code: 3e e8 e5 96 ee ff 48 c1 e8 06 48 83 e0 c0 48 bf 00 00 00 00 00 ea ff ff 48 01 c7 be 03 00 00 00 e8 06 a2 60 00 e9 5d 04 00 00 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 [ 165.370809][ C0] RSP: 0018:ffffc90002597540 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 165.379214][ C0] RAX: 1ffff110147445a1 RBX: ffffea00028d4580 RCX: 0000000000040000 [ 165.387190][ C0] RDX: ffffc90001e99000 RSI: 000000000003ffff RDI: 0000000000040000 [ 165.395779][ C0] RBP: ffffc90002597578 R08: 000000000003a768 R09: ffffed101501bf4f [ 165.403760][ C0] R10: ffffed101501bf4f R11: 0000000000000000 R12: ffff8880a3a22da0 [ 165.412088][ C0] R13: dffffc0000000000 R14: 1ffff110147445b4 R15: ffff8880a80dfa68 [ 165.420965][ C0] put_task_stack+0xa3/0x130 [ 165.425557][ C0] finish_task_switch+0x3f1/0x550 [ 165.430588][ C0] __schedule+0x9a8/0xcc0 [ 165.435013][ C0] ? ___preempt_schedule+0x16/0x18 [ 165.440111][ C0] preempt_schedule+0xdb/0x120 [ 165.444869][ C0] ___preempt_schedule+0x16/0x18 [ 165.449808][ C0] _raw_spin_unlock+0x3a/0x40 [ 165.454492][ C0] __cond_resched_lock+0x93/0x1d0 [ 165.459797][ C0] __purge_vmap_area_lazy+0x1a05/0x1b00 [ 165.465441][ C0] _vm_unmap_aliases+0x43a/0x4c0 [ 165.470390][ C0] vm_unmap_aliases+0x19/0x20 [ 165.475177][ C0] change_page_attr_set_clr+0x267/0x650 [ 165.480917][ C0] set_memory_ro+0x66/0x90 [ 165.485471][ C0] bpf_int_jit_compile+0x8bab/0x9090 [ 165.490976][ C0] ? ktime_get_with_offset+0x98/0x180 [ 165.496527][ C0] ? read_seqcount_begin+0x125/0x1c0 [ 165.501920][ C0] bpf_prog_select_runtime+0x787/0xa80 [ 165.507410][ C0] ? memset+0x31/0x40 [ 165.511412][ C0] __do_sys_bpf+0x9a47/0xc890 [ 165.516086][ C0] ? kcov_ioctl+0x285/0x2c0 [ 165.520702][ C0] ? __might_fault+0xf9/0x160 [ 165.525470][ C0] ? check_preemption_disabled+0xb4/0x260 [ 165.531190][ C0] ? debug_smp_processor_id+0x9/0x20 [ 165.536556][ C0] ? debug_smp_processor_id+0x1c/0x20 [ 165.542235][ C0] ? fpregs_assert_state_consistent+0xb6/0xe0 [ 165.548669][ C0] ? prepare_exit_to_usermode+0x221/0x5b0 [ 165.554376][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 165.560082][ C0] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 165.565530][ C0] ? trace_irq_disable_rcuidle+0x23/0x1e0 [ 165.571237][ C0] ? do_syscall_64+0x1d/0x1c0 [ 165.575915][ C0] __x64_sys_bpf+0x7a/0x90 [ 165.580320][ C0] do_syscall_64+0xf7/0x1c0 [ 165.584835][ C0] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 165.590720][ C0] RIP: 0033:0x45a679 [ 165.594607][ C0] 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 [ 165.614196][ C0] RSP: 002b:00007fc91367cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 165.622770][ C0] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a679 [ 165.630820][ C0] RDX: 0000000000000048 RSI: 0000000020000080 RDI: 0000000000000005 [ 165.638782][ C0] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 165.646767][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fc91367d6d4 [ 165.654827][ C0] R13: 00000000004c0d07 R14: 00000000004d4808 R15: 00000000ffffffff