Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. [ 971.092484][ T26] audit: type=1400 audit(1565694978.243:36): avc: denied { map } for pid=11030 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2019/08/13 11:16:19 parsed 1 programs [ 972.083908][ T26] audit: type=1400 audit(1565694979.233:37): avc: denied { map } for pid=11030 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=15865 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2019/08/13 11:16:21 executed programs: 0 [ 974.249729][T11045] IPVS: ftp: loaded support on port[0] = 21 [ 974.300818][T11045] chnl_net:caif_netlink_parms(): no params data found [ 974.324742][T11045] bridge0: port 1(bridge_slave_0) entered blocking state [ 974.331931][T11045] bridge0: port 1(bridge_slave_0) entered disabled state [ 974.339549][T11045] device bridge_slave_0 entered promiscuous mode [ 974.346796][T11045] bridge0: port 2(bridge_slave_1) entered blocking state [ 974.354092][T11045] bridge0: port 2(bridge_slave_1) entered disabled state [ 974.361713][T11045] device bridge_slave_1 entered promiscuous mode [ 974.375778][T11045] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 974.386547][T11045] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 974.402746][T11045] team0: Port device team_slave_0 added [ 974.409821][T11045] team0: Port device team_slave_1 added [ 974.470333][T11045] device hsr_slave_0 entered promiscuous mode [ 974.508958][T11045] device hsr_slave_1 entered promiscuous mode [ 974.555342][T11045] bridge0: port 2(bridge_slave_1) entered blocking state [ 974.562417][T11045] bridge0: port 2(bridge_slave_1) entered forwarding state [ 974.569763][T11045] bridge0: port 1(bridge_slave_0) entered blocking state [ 974.576813][T11045] bridge0: port 1(bridge_slave_0) entered forwarding state [ 974.603868][T11045] 8021q: adding VLAN 0 to HW filter on device bond0 [ 974.614867][T11048] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 974.633351][T11048] bridge0: port 1(bridge_slave_0) entered disabled state [ 974.641412][T11048] bridge0: port 2(bridge_slave_1) entered disabled state [ 974.649728][T11048] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 974.660012][T11045] 8021q: adding VLAN 0 to HW filter on device team0 [ 974.669244][T11047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 974.677480][T11047] bridge0: port 1(bridge_slave_0) entered blocking state [ 974.684570][T11047] bridge0: port 1(bridge_slave_0) entered forwarding state [ 974.693971][T11048] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 974.702766][T11048] bridge0: port 2(bridge_slave_1) entered blocking state [ 974.709840][T11048] bridge0: port 2(bridge_slave_1) entered forwarding state [ 974.729923][ T3567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 974.738913][ T3567] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 974.748574][ T3567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 974.756604][ T3567] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 974.765440][ T3567] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 974.774360][T11045] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 974.789423][T11045] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 974.820243][ T26] audit: type=1400 audit(1565694981.973:38): avc: denied { associate } for pid=11045 comm="syz-executor.0" name="syz0" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 1013.909484][ T26] audit: type=1400 audit(1565695021.063:39): avc: denied { map } for pid=11070 comm="sh" path="/bin/dash" dev="sda1" ino=1473 scontext=system_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [ 1138.558612][ T1057] INFO: task syz-executor.0:11063 blocked for more than 143 seconds. [ 1138.566762][ T1057] Not tainted 5.3.0-rc4 #100 [ 1138.573265][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1138.582148][ T1057] syz-executor.0 D28368 11063 11045 0x80004004 [ 1138.593069][ T1057] Call Trace: [ 1138.596382][ T1057] __schedule+0x755/0x1580 [ 1138.601130][ T1057] ? __sched_text_start+0x8/0x8 [ 1138.605988][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1138.611618][ T1057] ? rwsem_down_read_slowpath+0x2b8/0xfb0 [ 1138.617351][ T1057] schedule+0xa8/0x270 [ 1138.621668][ T1057] rwsem_down_read_slowpath+0x4cc/0xfb0 [ 1138.627220][ T1057] ? down_write_killable_nested+0x180/0x180 [ 1138.633868][ T1057] ? mark_held_locks+0xf0/0xf0 [ 1138.639432][ T1057] ? lock_acquire+0x190/0x410 [ 1138.644112][ T1057] ? do_exit+0x47b/0x2e50 [ 1138.649253][ T1057] down_read+0x1f4/0x3f0 [ 1138.653503][ T1057] ? down_read+0xa3/0x3f0 [ 1138.657825][ T1057] ? down_read+0x1f4/0x3f0 [ 1138.662950][ T1057] ? down_read_killable+0x460/0x460 [ 1138.668181][ T1057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.675627][ T1057] ? sync_mm_rss+0xa4/0x1c0 [ 1138.680361][ T1057] do_exit+0x47b/0x2e50 [ 1138.684525][ T1057] ? get_futex_key+0x1760/0x1760 [ 1138.690213][ T1057] ? mm_update_next_owner+0x640/0x640 [ 1138.695600][ T1057] ? __kasan_check_write+0x14/0x20 [ 1138.701070][ T1057] ? lock_downgrade+0x920/0x920 [ 1138.705931][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1138.711615][ T1057] ? get_signal+0x20e/0x2500 [ 1138.716223][ T1057] do_group_exit+0x135/0x360 [ 1138.721101][ T1057] get_signal+0x47c/0x2500 [ 1138.725531][ T1057] ? security_mmap_file+0x1a5/0x1e0 [ 1138.731962][ T1057] ? vm_mmap_pgoff+0x107/0x230 [ 1138.737447][ T1057] do_signal+0x87/0x1700 [ 1138.741958][ T1057] ? vma_is_stack_for_current+0xd0/0xd0 [ 1138.747509][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 1138.753323][ T1057] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 1138.759305][ T1057] ? setup_sigcontext+0x7d0/0x7d0 [ 1138.764338][ T1057] ? ksys_mmap_pgoff+0xff/0x630 [ 1138.769945][ T1057] ? find_mergeable_anon_vma+0x2e0/0x2e0 [ 1138.775589][ T1057] ? do_futex+0x1dc0/0x1dc0 [ 1138.781354][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 1138.786396][ T1057] exit_to_usermode_loop+0x286/0x380 [ 1138.792921][ T1057] do_syscall_64+0x5a9/0x6a0 [ 1138.797529][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1138.803839][ T1057] RIP: 0033:0x45987a [ 1138.807756][ T1057] Code: Bad RIP value. [ 1138.812525][ T1057] RSP: 002b:00007fffd7c83bb8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 1138.821170][ T1057] RAX: fffffffffffffffc RBX: 0000000000000003 RCX: 000000000045987a [ 1138.829853][ T1057] RDX: 0000000000000003 RSI: 0000000000021000 RDI: 0000000000000000 [ 1138.837836][ T1057] RBP: ffffffffffffffff R08: ffffffffffffffff R09: 0000000000000000 [ 1138.846197][ T1057] R10: 0000000000020022 R11: 0000000000000246 R12: 0000000000000000 [ 1138.854877][ T1057] R13: 0000000000021000 R14: 0000000000020022 R15: 0000000000000000 [ 1138.863081][ T1057] INFO: task syz-executor.0:11065 blocked for more than 143 seconds. [ 1138.871820][ T1057] Not tainted 5.3.0-rc4 #100 [ 1138.876924][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1138.885806][ T1057] syz-executor.0 D28456 11065 11045 0x80004004 [ 1138.892858][ T1057] Call Trace: [ 1138.896162][ T1057] __schedule+0x755/0x1580 [ 1138.900896][ T1057] ? __sched_text_start+0x8/0x8 [ 1138.905759][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1138.911400][ T1057] ? rwsem_down_read_slowpath+0x2b8/0xfb0 [ 1138.917144][ T1057] schedule+0xa8/0x270 [ 1138.921831][ T1057] rwsem_down_read_slowpath+0x4cc/0xfb0 [ 1138.927383][ T1057] ? down_write_killable_nested+0x180/0x180 [ 1138.934042][ T1057] ? mark_held_locks+0xf0/0xf0 [ 1138.939069][ T1057] ? lock_acquire+0x190/0x410 [ 1138.943752][ T1057] ? do_exit+0x47b/0x2e50 [ 1138.948080][ T1057] down_read+0x1f4/0x3f0 [ 1138.953077][ T1057] ? down_read+0xa3/0x3f0 [ 1138.957408][ T1057] ? down_read+0x1f4/0x3f0 [ 1138.962092][ T1057] ? down_read_killable+0x460/0x460 [ 1138.967301][ T1057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1138.974234][ T1057] ? sync_mm_rss+0xa4/0x1c0 [ 1138.978946][ T1057] do_exit+0x47b/0x2e50 [ 1138.983114][ T1057] ? mm_update_next_owner+0x640/0x640 [ 1138.989230][ T1057] ? __kasan_check_write+0x14/0x20 [ 1138.994348][ T1057] ? lock_downgrade+0x920/0x920 [ 1138.999427][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1139.004388][ T1057] ? get_signal+0x20e/0x2500 [ 1139.010136][ T1057] do_group_exit+0x135/0x360 [ 1139.014747][ T1057] get_signal+0x47c/0x2500 [ 1139.019390][ T1057] ? lock_downgrade+0x920/0x920 [ 1139.024259][ T1057] ? __might_fault+0xfb/0x1e0 [ 1139.029696][ T1057] do_signal+0x87/0x1700 [ 1139.033951][ T1057] ? __kasan_check_read+0x11/0x20 [ 1139.039414][ T1057] ? _copy_to_user+0x118/0x160 [ 1139.044189][ T1057] ? setup_sigcontext+0x7d0/0x7d0 [ 1139.050380][ T1057] ? do_futex+0x1dc0/0x1dc0 [ 1139.054891][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 1139.060225][ T1057] exit_to_usermode_loop+0x286/0x380 [ 1139.065524][ T1057] do_syscall_64+0x5a9/0x6a0 [ 1139.070937][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.076834][ T1057] RIP: 0033:0x459829 [ 1139.080978][ T1057] Code: Bad RIP value. [ 1139.085042][ T1057] RSP: 002b:00007f7ed80b1cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1139.094258][ T1057] RAX: fffffffffffffe00 RBX: 000000000075bf28 RCX: 0000000000459829 [ 1139.102563][ T1057] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bf28 [ 1139.111262][ T1057] RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 [ 1139.119443][ T1057] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bf2c [ 1139.127415][ T1057] R13: 00007fffd7c83c5f R14: 00007f7ed80b29c0 R15: 000000000075bf2c [ 1139.136113][ T1057] INFO: task syz-executor.0:11067 blocked for more than 143 seconds. [ 1139.144371][ T1057] Not tainted 5.3.0-rc4 #100 [ 1139.150143][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1139.159075][ T1057] syz-executor.0 D28968 11067 11045 0x80004004 [ 1139.165433][ T1057] Call Trace: [ 1139.169426][ T1057] __schedule+0x755/0x1580 [ 1139.173855][ T1057] ? __sched_text_start+0x8/0x8 [ 1139.179306][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1139.184248][ T1057] ? rwsem_down_read_slowpath+0x2b8/0xfb0 [ 1139.190673][ T1057] schedule+0xa8/0x270 [ 1139.194748][ T1057] rwsem_down_read_slowpath+0x4cc/0xfb0 [ 1139.200517][ T1057] ? down_write_killable_nested+0x180/0x180 [ 1139.206445][ T1057] ? mark_held_locks+0xf0/0xf0 [ 1139.211909][ T1057] ? __kasan_check_read+0x11/0x20 [ 1139.216942][ T1057] ? do_exit+0x29e/0x2e50 [ 1139.221530][ T1057] ? lock_acquire+0x190/0x410 [ 1139.226215][ T1057] ? acct_collect+0xf3/0x850 [ 1139.231569][ T1057] down_read+0x1f4/0x3f0 [ 1139.235818][ T1057] ? down_read+0xa3/0x3f0 [ 1139.240475][ T1057] ? down_read+0x1f4/0x3f0 [ 1139.244898][ T1057] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1139.251842][ T1057] ? down_read_killable+0x460/0x460 [ 1139.257050][ T1057] ? lock_downgrade+0x920/0x920 [ 1139.262129][ T1057] ? hrtimer_run_softirq+0x270/0x270 [ 1139.267427][ T1057] acct_collect+0xf3/0x850 [ 1139.272585][ T1057] do_exit+0x1b56/0x2e50 [ 1139.276843][ T1057] ? mm_update_next_owner+0x640/0x640 [ 1139.282491][ T1057] ? __kasan_check_write+0x14/0x20 [ 1139.287611][ T1057] ? lock_downgrade+0x920/0x920 [ 1139.293245][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1139.298210][ T1057] ? get_signal+0x20e/0x2500 [ 1139.303217][ T1057] do_group_exit+0x135/0x360 [ 1139.307826][ T1057] get_signal+0x47c/0x2500 [ 1139.313360][ T1057] ? lock_downgrade+0x920/0x920 [ 1139.318223][ T1057] ? __might_fault+0xfb/0x1e0 [ 1139.323159][ T1057] do_signal+0x87/0x1700 [ 1139.327409][ T1057] ? __kasan_check_read+0x11/0x20 [ 1139.333178][ T1057] ? _copy_to_user+0x118/0x160 [ 1139.337959][ T1057] ? setup_sigcontext+0x7d0/0x7d0 [ 1139.343350][ T1057] ? do_futex+0x1dc0/0x1dc0 [ 1139.347863][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 1139.353658][ T1057] exit_to_usermode_loop+0x286/0x380 [ 1139.359167][ T1057] do_syscall_64+0x5a9/0x6a0 [ 1139.363765][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.370386][ T1057] RIP: 0033:0x459829 [ 1139.374293][ T1057] Code: Bad RIP value. [ 1139.378354][ T1057] RSP: 002b:00007f7ed8090cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 1139.387126][ T1057] RAX: fffffffffffffe00 RBX: 000000000075bfd0 RCX: 0000000000459829 [ 1139.395959][ T1057] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000075bfd0 [ 1139.404154][ T1057] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 1139.412849][ T1057] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000075bfd4 [ 1139.421060][ T1057] R13: 00007fffd7c83c5f R14: 00007f7ed80919c0 R15: 000000000075bfd4 [ 1139.429758][ T1057] INFO: task syz-executor.0:11068 blocked for more than 144 seconds. [ 1139.437818][ T1057] Not tainted 5.3.0-rc4 #100 [ 1139.443532][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 1139.452883][ T1057] syz-executor.0 D29448 11068 11067 0x80000000 [ 1139.459430][ T1057] Call Trace: [ 1139.462748][ T1057] __schedule+0x755/0x1580 [ 1139.467166][ T1057] ? __sched_text_start+0x8/0x8 [ 1139.472760][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 1139.477704][ T1057] ? rwsem_down_read_slowpath+0x647/0xfb0 [ 1139.483698][ T1057] schedule+0xa8/0x270 [ 1139.487777][ T1057] rwsem_down_read_slowpath+0x4cc/0xfb0 [ 1139.494057][ T1057] ? down_write_killable_nested+0x180/0x180 [ 1139.500197][ T1057] ? mark_held_locks+0xf0/0xf0 [ 1139.504971][ T1057] ? rcuwait_wake_up+0x11d/0x230 [ 1139.510860][ T1057] ? __kasan_check_read+0x11/0x20 [ 1139.515897][ T1057] ? do_exit+0x29e/0x2e50 [ 1139.520740][ T1057] ? lock_acquire+0x190/0x410 [ 1139.525429][ T1057] ? acct_collect+0xf3/0x850 [ 1139.530731][ T1057] down_read+0x1f4/0x3f0 [ 1139.534977][ T1057] ? down_read+0x1f4/0x3f0 [ 1139.539612][ T1057] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 1139.545859][ T1057] ? down_read_killable+0x460/0x460 [ 1139.551833][ T1057] ? lock_downgrade+0x920/0x920 [ 1139.556692][ T1057] ? hrtimer_run_softirq+0x270/0x270 [ 1139.562209][ T1057] acct_collect+0xf3/0x850 [ 1139.566634][ T1057] do_exit+0x1b56/0x2e50 [ 1139.571975][ T1057] ? mm_update_next_owner+0x640/0x640 [ 1139.577360][ T1057] ? force_sig_info+0x30/0x30 [ 1139.582269][ T1057] do_group_exit+0x135/0x360 [ 1139.586874][ T1057] __x64_sys_exit_group+0x44/0x50 [ 1139.592629][ T1057] do_syscall_64+0xfd/0x6a0 [ 1139.597166][ T1057] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.603371][ T1057] RIP: 0033:0x459829 [ 1139.607283][ T1057] Code: Bad RIP value. [ 1139.612219][ T1057] RSP: 002b:00007f7ed8090688 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 1139.620975][ T1057] RAX: ffffffffffffffda RBX: 000000000000000b RCX: 0000000000459829 [ 1139.629662][ T1057] RDX: 0000000000459829 RSI: 00007f7ed80906c0 RDI: 000000000000000b [ 1139.637643][ T1057] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 1139.645872][ T1057] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f7ed80916d4 [ 1139.654691][ T1057] R13: 00000000004bfce6 R14: 00000000004d1a38 R15: 00000000ffffffff [ 1139.662886][ T1057] INFO: lockdep is turned off. [ 1139.667652][ T1057] NMI backtrace for cpu 0 [ 1139.673504][ T1057] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc4 #100 [ 1139.681052][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.691182][ T1057] Call Trace: [ 1139.694474][ T1057] dump_stack+0x172/0x1f0 [ 1139.698810][ T1057] nmi_cpu_backtrace.cold+0x70/0xb2 [ 1139.704009][ T1057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1139.710255][ T1057] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 1139.715895][ T1057] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 1139.721882][ T1057] arch_trigger_cpumask_backtrace+0x14/0x20 [ 1139.727769][ T1057] watchdog+0x9d0/0xef0 [ 1139.732066][ T1057] kthread+0x361/0x430 [ 1139.736134][ T1057] ? reset_hung_task_detector+0x30/0x30 [ 1139.741680][ T1057] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1139.747924][ T1057] ret_from_fork+0x24/0x30 [ 1139.752456][ T1057] Sending NMI from CPU 0 to CPUs 1: [ 1139.758155][ C1] NMI backtrace for cpu 1 [ 1139.758162][ C1] CPU: 1 PID: 11066 Comm: syz-executor.0 Not tainted 5.3.0-rc4 #100 [ 1139.758168][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1139.758172][ C1] RIP: 0010:lock_release+0x60a/0x960 [ 1139.758183][ C1] Code: 8f fb ff ff 4c 89 ea 4c 89 e6 4c 89 ff e8 0e 6a ff ff e9 4c fe ff ff 65 ff 05 2a 42 a9 7e 48 8b 05 a3 1a 49 08 e8 56 38 06 00 <85> c0 74 0d 80 3d 17 c0 48 08 00 0f 84 8a 01 00 00 65 ff 0d 06 42 [ 1139.758187][ C1] RSP: 0018:ffff888096d8f8f0 EFLAGS: 00000046 [ 1139.758217][ C1] RAX: 0000000000000000 RBX: 1ffff11012db1f23 RCX: 1ffffffff134b48e [ 1139.758222][ C1] RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff89a57278 [ 1139.758228][ C1] RBP: ffff888096d8f9c0 R08: 1ffffffff134ae4f R09: fffffbfff134ae50 [ 1139.758233][ C1] R10: fffffbfff134ae4f R11: ffffffff89a5727f R12: ffff8880a8d51550 [ 1139.758238][ C1] R13: ffffffff818aca47 R14: ffff888096d8f998 R15: 0000000000000001 [ 1139.758243][ C1] FS: 00007f7ed80b2700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 1139.758248][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1139.758253][ C1] CR2: 00000000007b6734 CR3: 0000000098c31000 CR4: 00000000001406e0 [ 1139.758256][ C1] Call Trace: [ 1139.758259][ C1] ? __mutex_lock+0x45d/0x13c0 [ 1139.758263][ C1] ? lock_downgrade+0x920/0x920 [ 1139.758266][ C1] ? mutex_lock_io_nested+0x1260/0x1260 [ 1139.758270][ C1] __mutex_unlock_slowpath+0x8e/0x6b0 [ 1139.758274][ C1] ? wait_for_completion+0x440/0x440 [ 1139.758277][ C1] mutex_unlock+0xd/0x10 [ 1139.758280][ C1] perf_mmap+0x727/0x19b0 [ 1139.758283][ C1] ? perf_release+0x50/0x50 [ 1139.758286][ C1] ? memset+0x32/0x40 [ 1139.758290][ C1] mmap_region+0xc35/0x1760 [ 1139.758293][ C1] ? __x64_sys_brk+0x760/0x760 [ 1139.758297][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 1139.758301][ C1] ? get_unmapped_area+0x2ad/0x3d0 [ 1139.758304][ C1] do_mmap+0x82e/0x1090 [ 1139.758307][ C1] vm_mmap_pgoff+0x1c5/0x230 [ 1139.758311][ C1] ? vma_is_stack_for_current+0xd0/0xd0 [ 1139.758314][ C1] ? ksys_dup3+0x3e0/0x3e0 [ 1139.758318][ C1] ? _copy_to_user+0x118/0x160 [ 1139.758321][ C1] ksys_mmap_pgoff+0x4aa/0x630 [ 1139.758325][ C1] ? find_mergeable_anon_vma+0x2e0/0x2e0 [ 1139.758329][ C1] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 1139.758333][ C1] ? __x64_sys_clock_gettime+0x16d/0x240 [ 1139.758336][ C1] __x64_sys_mmap+0xe9/0x1b0 [ 1139.758339][ C1] do_syscall_64+0xfd/0x6a0 [ 1139.758343][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 1139.758346][ C1] RIP: 0033:0x459829 [ 1139.758357][ C1] Code: fd b7 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 cb b7 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 1139.758361][ C1] RSP: 002b:00007f7ed80b1c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 1139.758369][ C1] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 0000000000459829 [ 1139.758374][ C1] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 1139.758379][ C1] RBP: 000000000075bf20 R08: 0000000000000003 R09: 0000000000000000 [ 1139.758384][ C1] R10: 0000000000000011 R11: 0000000000000246 R12: 00007f7ed80b26d4 [ 1139.758389][ C1] R13: 00000000004c5d1b R14: 00000000004da750 R15: 00000000ffffffff [ 1139.762146][ T1057] Kernel panic - not syncing: hung_task: blocked tasks [ 1140.080808][ T1057] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc4 #100 [ 1140.088339][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1140.098387][ T1057] Call Trace: [ 1140.101687][ T1057] dump_stack+0x172/0x1f0 [ 1140.106023][ T1057] panic+0x2dc/0x755 [ 1140.109924][ T1057] ? add_taint.cold+0x16/0x16 [ 1140.114614][ T1057] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 1140.120262][ T1057] ? ___preempt_schedule+0x16/0x20 [ 1140.125376][ T1057] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1140.131527][ T1057] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 1140.137679][ T1057] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 1140.143826][ T1057] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 1140.149978][ T1057] watchdog+0x9e1/0xef0 [ 1140.154134][ T1057] kthread+0x361/0x430 [ 1140.158200][ T1057] ? reset_hung_task_detector+0x30/0x30 [ 1140.163740][ T1057] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 1140.169988][ T1057] ret_from_fork+0x24/0x30 [ 1140.175241][ T1057] Kernel Offset: disabled [ 1140.179563][ T1057] Rebooting in 86400 seconds..