[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [ 46.481244][ T25] audit: type=1800 audit(1575360676.193:25): pid=8161 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="cron" dev="sda1" ino=2414 res=0 [ 46.508439][ T25] audit: type=1800 audit(1575360676.193:26): pid=8161 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 46.569105][ T25] audit: type=1800 audit(1575360676.193:27): pid=8161 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 '10.128.0.160' (ECDSA) to the list of known hosts. 2019/12/03 08:11:26 fuzzer started 2019/12/03 08:11:28 dialing manager at 10.128.0.26:38907 2019/12/03 08:11:28 syscalls: 2697 2019/12/03 08:11:28 code coverage: enabled 2019/12/03 08:11:28 comparison tracing: enabled 2019/12/03 08:11:28 extra coverage: extra coverage is not supported by the kernel 2019/12/03 08:11:28 setuid sandbox: enabled 2019/12/03 08:11:28 namespace sandbox: enabled 2019/12/03 08:11:28 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 08:11:28 fault injection: enabled 2019/12/03 08:11:28 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 08:11:28 net packet injection: enabled 2019/12/03 08:11:28 net device setup: enabled 2019/12/03 08:11:28 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 08:11:28 devlink PCI setup: PCI device 0000:00:10.0 is not available 08:11:29 executing program 0: r0 = syz_open_dev$loop(&(0x7f0000000000)='/dev/loop#\x00', 0x3, 0x0) fsetxattr$trusted_overlay_redirect(r0, &(0x7f0000001500)='trusted.overlay.redirect\x00', 0x0, 0x0, 0x3) 08:11:29 executing program 1: rt_sigprocmask(0x0, &(0x7f0000000000)={0xfffffffffffffffe}, 0x0, 0x8) setrlimit(0x1, &(0x7f0000000080)) syz_mount_image$vfat(0x0, 0x0, 0x0, 0x1, &(0x7f00000003c0)=[{0x0, 0x0, 0xfffffffffffffff9}], 0x0, 0x0) syzkaller login: [ 59.667250][ T8324] IPVS: ftp: loaded support on port[0] = 21 08:11:29 executing program 2: socketpair$unix(0x1, 0x5, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) r1 = dup(r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) r2 = socket$inet6(0xa, 0x3, 0x20000000021) getsockopt$inet6_int(r2, 0x29, 0x7, &(0x7f0000b67000), &(0x7f00000001c0)=0xdb) [ 59.763189][ T8326] IPVS: ftp: loaded support on port[0] = 21 [ 59.866389][ T8324] chnl_net:caif_netlink_parms(): no params data found [ 59.916303][ T8324] bridge0: port 1(bridge_slave_0) entered blocking state [ 59.925507][ T8324] bridge0: port 1(bridge_slave_0) entered disabled state [ 59.934287][ T8324] device bridge_slave_0 entered promiscuous mode [ 59.943571][ T8324] bridge0: port 2(bridge_slave_1) entered blocking state [ 59.951477][ T8324] bridge0: port 2(bridge_slave_1) entered disabled state [ 59.960273][ T8324] device bridge_slave_1 entered promiscuous mode [ 59.982752][ T8324] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 59.995490][ T8324] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 60.035284][ T8324] team0: Port device team_slave_0 added 08:11:29 executing program 3: r0 = socket$inet6_tcp(0xa, 0x1, 0x0) r1 = dup2(r0, r0) ioctl$PERF_EVENT_IOC_ENABLE(r1, 0x8912, 0x400200) keyctl$join(0x1, 0xffffffffffffffff) [ 60.076257][ T8324] team0: Port device team_slave_1 added [ 60.094361][ T8326] chnl_net:caif_netlink_parms(): no params data found [ 60.106157][ T8329] IPVS: ftp: loaded support on port[0] = 21 [ 60.243822][ T8324] device hsr_slave_0 entered promiscuous mode [ 60.298504][ T8324] device hsr_slave_1 entered promiscuous mode 08:11:30 executing program 4: io_setup(0x3, &(0x7f00000000c0)=0x0) r1 = memfd_create(&(0x7f0000000140)='sec]ritynodev:ppp1bdev\x00', 0x0) pwritev(r1, &(0x7f0000000000)=[{&(0x7f00000001c0)="b6", 0x1}], 0x1, 0x0) io_submit(r0, 0x1, &(0x7f0000000280)=[&(0x7f0000000180)={0x0, 0x0, 0x0, 0x0, 0x0, r1, 0x0}]) [ 60.374333][ T8332] IPVS: ftp: loaded support on port[0] = 21 [ 60.391766][ T8326] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.401019][ T8326] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.418943][ T8326] device bridge_slave_0 entered promiscuous mode [ 60.440766][ T8326] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.458211][ T8326] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.479471][ T8326] device bridge_slave_1 entered promiscuous mode [ 60.542709][ T8326] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 60.596491][ T8326] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 08:11:30 executing program 5: r0 = openat$dsp(0xffffffffffffff9c, &(0x7f0000000040)='/dev/dsp\x00', 0x0, 0x0) ioctl$int_in(r0, 0x800000c0044dff, &(0x7f0000001000)) [ 60.640716][ T8334] IPVS: ftp: loaded support on port[0] = 21 [ 60.671135][ T8324] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 60.732843][ T8324] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 60.812204][ T8324] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 60.870863][ T8324] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 60.922026][ T8326] team0: Port device team_slave_0 added [ 60.965969][ T8326] team0: Port device team_slave_1 added [ 61.006903][ T8336] IPVS: ftp: loaded support on port[0] = 21 [ 61.028620][ T8329] chnl_net:caif_netlink_parms(): no params data found [ 61.070948][ T8326] device hsr_slave_0 entered promiscuous mode [ 61.129736][ T8326] device hsr_slave_1 entered promiscuous mode [ 61.168900][ T8326] debugfs: Directory 'hsr0' with parent '/' already present! [ 61.259424][ T8326] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 61.326592][ T8332] chnl_net:caif_netlink_parms(): no params data found [ 61.361240][ T8326] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 61.422063][ T8326] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 61.521026][ T8332] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.528846][ T8332] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.536850][ T8332] device bridge_slave_0 entered promiscuous mode [ 61.545059][ T8329] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.552893][ T8329] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.561104][ T8329] device bridge_slave_0 entered promiscuous mode [ 61.569696][ T8329] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.576943][ T8329] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.585458][ T8329] device bridge_slave_1 entered promiscuous mode [ 61.598501][ T8326] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 61.660322][ T8332] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.667459][ T8332] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.675653][ T8332] device bridge_slave_1 entered promiscuous mode [ 61.695657][ T8329] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.711770][ T8334] chnl_net:caif_netlink_parms(): no params data found [ 61.740121][ T8329] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.767136][ T8329] team0: Port device team_slave_0 added [ 61.785075][ T8332] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 61.800732][ T8332] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 61.818223][ T8329] team0: Port device team_slave_1 added [ 61.837803][ T8324] 8021q: adding VLAN 0 to HW filter on device bond0 [ 61.874488][ T8336] chnl_net:caif_netlink_parms(): no params data found [ 61.910571][ T8334] bridge0: port 1(bridge_slave_0) entered blocking state [ 61.917903][ T8334] bridge0: port 1(bridge_slave_0) entered disabled state [ 61.927501][ T8334] device bridge_slave_0 entered promiscuous mode [ 61.938339][ T8332] team0: Port device team_slave_0 added [ 61.944500][ T8334] bridge0: port 2(bridge_slave_1) entered blocking state [ 61.952262][ T8334] bridge0: port 2(bridge_slave_1) entered disabled state [ 61.960551][ T8334] device bridge_slave_1 entered promiscuous mode [ 61.975920][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 61.985407][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 62.061527][ T8329] device hsr_slave_0 entered promiscuous mode [ 62.128624][ T8329] device hsr_slave_1 entered promiscuous mode [ 62.198352][ T8329] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.207876][ T8332] team0: Port device team_slave_1 added [ 62.221924][ T8324] 8021q: adding VLAN 0 to HW filter on device team0 [ 62.229298][ T8336] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.237221][ T8336] bridge0: port 1(bridge_slave_0) entered disabled state [ 62.245617][ T8336] device bridge_slave_0 entered promiscuous mode [ 62.255105][ T8336] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.263168][ T8336] bridge0: port 2(bridge_slave_1) entered disabled state [ 62.271350][ T8336] device bridge_slave_1 entered promiscuous mode [ 62.350222][ T8332] device hsr_slave_0 entered promiscuous mode [ 62.388570][ T8332] device hsr_slave_1 entered promiscuous mode [ 62.428560][ T8332] debugfs: Directory 'hsr0' with parent '/' already present! [ 62.460365][ T8334] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.480672][ T8336] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 62.493747][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.503789][ T2974] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.512538][ T2974] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.520017][ T2974] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.533574][ T8334] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.560677][ T8334] team0: Port device team_slave_0 added [ 62.572125][ T8336] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 62.594909][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.617712][ T8334] team0: Port device team_slave_1 added [ 62.632671][ T8336] team0: Port device team_slave_0 added [ 62.641085][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.652619][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.661796][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.668924][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.677091][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 62.686387][ T8329] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 62.740835][ T8329] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 62.790923][ T8329] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 62.853330][ T8329] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 62.904864][ T8336] team0: Port device team_slave_1 added [ 62.919330][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 63.001153][ T8334] device hsr_slave_0 entered promiscuous mode [ 63.048625][ T8334] device hsr_slave_1 entered promiscuous mode [ 63.098111][ T8334] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.105894][ T8332] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 63.161261][ T8332] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 63.230414][ T8332] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 63.283977][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 63.292833][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 63.310254][ T8326] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.329637][ T8332] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 63.400859][ T8336] device hsr_slave_0 entered promiscuous mode [ 63.438468][ T8336] device hsr_slave_1 entered promiscuous mode [ 63.478220][ T8336] debugfs: Directory 'hsr0' with parent '/' already present! [ 63.485918][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 63.495532][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 63.504995][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 63.513929][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 63.522893][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 63.531896][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 63.540871][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 63.554608][ T8326] 8021q: adding VLAN 0 to HW filter on device team0 [ 63.585390][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 63.594963][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 63.602971][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 63.612889][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 63.621939][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.629343][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.637545][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.650445][ T8324] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 63.704321][ T8334] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 63.760373][ T8334] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 63.800716][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 63.809569][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 63.818468][ T8337] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.825528][ T8337] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.833663][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 63.841853][ T8337] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 63.859663][ T8336] netdevsim netdevsim5 netdevsim0: renamed from eth0 [ 63.907232][ T8334] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 63.960784][ T8334] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 64.010449][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 64.021088][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 64.030553][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 64.040012][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 64.053727][ T8324] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.061817][ T8336] netdevsim netdevsim5 netdevsim1: renamed from eth1 [ 64.094422][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 64.102769][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 64.112948][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 64.145184][ T8336] netdevsim netdevsim5 netdevsim2: renamed from eth2 [ 64.174485][ T8336] netdevsim netdevsim5 netdevsim3: renamed from eth3 [ 64.233286][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 64.242089][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 64.250997][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 64.259565][ T43] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 64.270085][ T8326] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 64.282425][ T8329] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.331602][ T8326] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 64.414994][ T8336] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.436185][ T8332] 8021q: adding VLAN 0 to HW filter on device bond0 [ 64.463924][ T8332] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.516951][ T8332] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 64.533425][ T8332] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 64.576816][ T8332] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 169.428010][ C1] rcu: INFO: rcu_preempt self-detected stall on CPU [ 169.435509][ C1] rcu: 1-....: (1 GPs behind) idle=5a6/1/0x4000000000000002 softirq=11975/11977 fqs=2756 [ 169.445764][ C1] (t=10501 jiffies g=6725 q=697) [ 169.450953][ C1] rcu: rcu_preempt kthread starved for 4987 jiffies! g6725 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 169.462210][ C1] rcu: RCU grace-period kthread stack dump: [ 169.468450][ C1] rcu_preempt R running task 29032 10 2 0x80004000 [ 169.476705][ C1] Call Trace: [ 169.480180][ C1] __schedule+0x9a0/0xcc0 [ 169.484694][ C1] schedule+0x181/0x210 [ 169.488966][ C1] schedule_timeout+0x14f/0x240 [ 169.494106][ C1] ? run_local_timers+0x120/0x120 [ 169.499402][ C1] rcu_gp_kthread+0xed8/0x1770 [ 169.504477][ C1] kthread+0x332/0x350 [ 169.512855][ C1] ? rcu_report_qs_rsp+0x140/0x140 [ 169.517977][ C1] ? kthread_blkcg+0xe0/0xe0 [ 169.522662][ C1] ret_from_fork+0x24/0x30 [ 169.527174][ C1] NMI backtrace for cpu 1 [ 169.531499][ C1] CPU: 1 PID: 8345 Comm: syz-executor.0 Not tainted 5.4.0-syzkaller #0 [ 169.539909][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 169.550740][ C1] Call Trace: [ 169.554014][ C1] [ 169.556857][ C1] dump_stack+0x1fb/0x318 [ 169.561268][ C1] nmi_cpu_backtrace+0xaf/0x1a0 [ 169.566395][ C1] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 169.572766][ C1] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 169.578997][ C1] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 169.584994][ C1] arch_trigger_cpumask_backtrace+0x10/0x20 [ 169.591331][ C1] rcu_dump_cpu_stacks+0x15a/0x220 [ 169.596583][ C1] rcu_sched_clock_irq+0xe25/0x1ad0 [ 169.601797][ C1] ? trace_hardirqs_off+0x74/0x80 [ 169.606825][ C1] update_process_times+0x12d/0x180 [ 169.613683][ C1] tick_sched_timer+0x263/0x420 [ 169.618893][ C1] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 169.624520][ C1] __hrtimer_run_queues+0x403/0x840 [ 169.629780][ C1] hrtimer_interrupt+0x38c/0xda0 [ 169.634725][ C1] ? debug_smp_processor_id+0x9/0x20 [ 169.640183][ C1] smp_apic_timer_interrupt+0x109/0x280 [ 169.648216][ C1] apic_timer_interrupt+0xf/0x20 [ 169.656789][ C1] [ 169.659990][ C1] RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x50 [ 169.666353][ C1] Code: 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 e5 53 48 89 fb e8 13 00 00 00 48 8b 3d 34 e7 cc 07 48 89 de e8 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 [ 169.687253][ C1] RSP: 0018:ffffc900023a7760 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 169.695919][ C1] RAX: 1ffffd400046fadf RBX: 0000000000000000 RCX: ffff8880a7ab6180 [ 169.704327][ C1] RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea000237d6c0 [ 169.712920][ C1] RBP: ffffc900023a7788 R08: 000000000003a768 R09: fffffbfff120248a [ 169.721242][ C1] R10: fffffbfff120248a R11: 0000000000000000 R12: dffffc0000000000 [ 169.729209][ C1] R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff8880a2e815a8 [ 169.737296][ C1] ? mod_memcg_page_state+0x123/0x190 [ 169.742663][ C1] free_thread_stack+0x168/0x590 [ 169.747767][ C1] put_task_stack+0xa3/0x130 [ 169.752641][ C1] finish_task_switch+0x3f1/0x550 [ 169.757665][ C1] __schedule+0x9a8/0xcc0 [ 169.762080][ C1] preempt_schedule_irq+0xc1/0x140 [ 169.767529][ C1] retint_kernel+0x1b/0x2b [ 169.772064][ C1] RIP: 0010:__ext4_check_dir_entry+0x44/0x380 [ 169.778870][ C1] Code: 4d a8 49 89 d4 89 75 cc 48 89 7d c0 49 bf 00 00 00 00 00 fc ff df e8 6b 6d 7d ff 49 8d 5e 04 48 89 d8 48 c1 e8 03 42 8a 04 38 <84> c0 0f 85 7e 02 00 00 44 0f b7 2b bf 0c 00 00 00 44 89 ee e8 53 [ 169.799806][ C1] RSP: 0018:ffffc900023a79e8 EFLAGS: 00000a07 ORIG_RAX: ffffffffffffff13 [ 169.808506][ C1] RAX: 1ffff1100df4ce00 RBX: ffff88806fa67004 RCX: ffff8880a7ab6180 [ 169.816656][ C1] RDX: 0000000000000000 RSI: 000000000000078c RDI: ffffffff88c06fb8 [ 169.824992][ C1] RBP: ffffc900023a7a40 R08: ffff88806fa67000 R09: ffff888092538690 [ 169.833130][ C1] R10: 0000000000001000 R11: 0000000000000000 R12: ffff88808ecba608 [ 169.841236][ C1] R13: 0000000000000000 R14: ffff88806fa67000 R15: dffffc0000000000 [ 169.849318][ C1] ? __ext4_check_dir_entry+0x35/0x380 [ 169.854859][ C1] add_dirent_to_buf+0x4d9/0xc50 [ 169.859887][ C1] ext4_add_entry+0x24d6/0x3e70 [ 169.864769][ C1] ? __kasan_check_write+0x14/0x20 [ 169.869960][ C1] ? __brelse+0x5a/0xa0 [ 169.874150][ C1] ext4_add_nondir+0x97/0x260 [ 169.878827][ C1] ext4_symlink+0x919/0xf60 [ 169.883503][ C1] vfs_symlink+0x36f/0x4f0 [ 169.887993][ C1] do_symlinkat+0x187/0x3f0 [ 169.892721][ C1] __x64_sys_symlink+0x60/0x70 [ 169.897667][ C1] do_syscall_64+0xf7/0x1c0 [ 169.903139][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 169.909022][ C1] RIP: 0033:0x45a3a7 [ 169.912913][ C1] Code: 0f 1f 00 b8 5c 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 6d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 b8 58 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 4d b9 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 169.933790][ C1] RSP: 002b:00007ffc8c26edf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000058 [ 169.942699][ C1] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000045a3a7 [ 169.950778][ C1] RDX: 00007ffc8c26ee97 RSI: 00000000004c00d3 RDI: 00007ffc8c26ee80 [ 169.959445][ C1] RBP: 0000000000000000 R08: 0000000000000220 R09: 0000000000000017 [ 169.967586][ C1] R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000001 [ 169.975643][ C1] R13: 00007ffc8c26ee30 R14: 0000000000000000 R15: 00007ffc8c26ee40