Warning: Permanently added '10.128.10.30' (ECDSA) to the list of known hosts. syzkaller login: [ 82.671271][ T26] kauditd_printk_skb: 5 callbacks suppressed [ 82.671283][ T26] audit: type=1400 audit(1565173046.358:36): avc: denied { map } for pid=10406 comm="syz-executor159" path="/root/syz-executor159022903" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 82.712092][T10407] IPVS: ftp: loaded support on port[0] = 21 [ 82.760119][T10407] chnl_net:caif_netlink_parms(): no params data found [ 82.781627][T10407] bridge0: port 1(bridge_slave_0) entered blocking state [ 82.789217][T10407] bridge0: port 1(bridge_slave_0) entered disabled state [ 82.796730][T10407] device bridge_slave_0 entered promiscuous mode [ 82.804208][T10407] bridge0: port 2(bridge_slave_1) entered blocking state [ 82.811299][T10407] bridge0: port 2(bridge_slave_1) entered disabled state [ 82.818917][T10407] device bridge_slave_1 entered promiscuous mode [ 82.832008][T10407] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 82.842481][T10407] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 82.858911][T10407] team0: Port device team_slave_0 added [ 82.865729][T10407] team0: Port device team_slave_1 added [ 82.944863][T10407] device hsr_slave_0 entered promiscuous mode [ 82.993982][T10407] device hsr_slave_1 entered promiscuous mode [ 83.048621][T10407] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.055713][T10407] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.062983][T10407] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.070062][T10407] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.095210][T10407] 8021q: adding VLAN 0 to HW filter on device bond0 [ 83.105939][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 83.115122][ T12] bridge0: port 1(bridge_slave_0) entered disabled state [ 83.122599][ T12] bridge0: port 2(bridge_slave_1) entered disabled state [ 83.130825][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 83.140760][T10407] 8021q: adding VLAN 0 to HW filter on device team0 [ 83.149866][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 83.158261][ T3570] bridge0: port 1(bridge_slave_0) entered blocking state [ 83.165332][ T3570] bridge0: port 1(bridge_slave_0) entered forwarding state [ 83.177549][T10409] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 83.186492][T10409] bridge0: port 2(bridge_slave_1) entered blocking state [ 83.193557][T10409] bridge0: port 2(bridge_slave_1) entered forwarding state [ 83.210020][T10407] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 83.220605][T10407] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 83.232343][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 83.241034][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready executing program [ 83.249651][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 83.258087][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 83.266319][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 83.273846][ T3570] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 83.287049][T10407] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 234.303413][ T1057] INFO: task syz-executor159:10407 blocked for more than 143 seconds. [ 234.311615][ T1057] Not tainted 5.3.0-rc3+ #94 [ 234.317306][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 234.326173][ T1057] syz-executor159 D24544 10407 10406 0x00000000 [ 234.332503][ T1057] Call Trace: [ 234.336376][ T1057] __schedule+0x755/0x1580 [ 234.340799][ T1057] ? __sched_text_start+0x8/0x8 [ 234.345763][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 234.350696][ T1057] ? rwsem_down_read_slowpath+0x2b8/0xfb0 [ 234.356938][ T1057] schedule+0xa8/0x270 [ 234.361003][ T1057] rwsem_down_read_slowpath+0x4cc/0xfb0 [ 234.366990][ T1057] ? down_write_killable_nested+0x180/0x180 [ 234.372969][ T1057] ? mark_held_locks+0xf0/0xf0 [ 234.378264][ T1057] ? lock_acquire+0x190/0x410 [ 234.382946][ T1057] ? __do_page_fault+0xaa2/0xdd0 [ 234.387991][ T1057] down_read+0x1f4/0x3f0 [ 234.392320][ T1057] ? down_read+0xa3/0x3f0 [ 234.397170][ T1057] ? down_read+0x1f4/0x3f0 [ 234.401582][ T1057] ? down_read_trylock+0x9b/0x1a0 [ 234.406713][ T1057] ? down_read_killable+0x460/0x460 [ 234.411903][ T1057] ? __close_fd+0x28/0x210 [ 234.416817][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 234.421843][ T1057] __do_page_fault+0xaa2/0xdd0 [ 234.426711][ T1057] ? page_fault+0x16/0x40 [ 234.431474][ T1057] do_page_fault+0x38/0x590 [ 234.436542][ T1057] page_fault+0x39/0x40 [ 234.443140][ T1057] RIP: 0033:0x4aeba0 [ 234.447361][ T1057] Code: Bad RIP value. [ 234.451681][ T1057] RSP: 002b:00007ffdc546a828 EFLAGS: 00010206 [ 234.458259][ T1057] RAX: 00000000004aeba0 RBX: 0000000000000001 RCX: 00000000006e47b0 [ 234.466884][ T1057] RDX: 0000000000409e70 RSI: 0000000000000001 RDI: 00000000004d0430 [ 234.475361][ T1057] RBP: 00007ffdc546a830 R08: 0000000000000000 R09: 0000000000000000 [ 234.483421][ T1057] R10: 00007ffdc546a8b0 R11: 0000000000000000 R12: 0000000000000001 [ 234.491384][ T1057] R13: 00000000006e47a0 R14: 000000000000002d R15: 0000000000000006 [ 234.500214][ T1057] INFO: lockdep is turned off. [ 234.505061][ T1057] NMI backtrace for cpu 0 [ 234.509387][ T1057] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc3+ #94 [ 234.516912][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.526953][ T1057] Call Trace: [ 234.530240][ T1057] dump_stack+0x172/0x1f0 [ 234.534569][ T1057] nmi_cpu_backtrace.cold+0x70/0xb2 [ 234.539761][ T1057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 234.545997][ T1057] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 234.551625][ T1057] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 234.557600][ T1057] arch_trigger_cpumask_backtrace+0x14/0x20 [ 234.563486][ T1057] watchdog+0x9d0/0xef0 [ 234.567645][ T1057] kthread+0x361/0x430 [ 234.571732][ T1057] ? reset_hung_task_detector+0x30/0x30 [ 234.577271][ T1057] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 234.583507][ T1057] ret_from_fork+0x24/0x30 [ 234.588001][ T1057] Sending NMI from CPU 0 to CPUs 1: [ 234.593653][ C1] NMI backtrace for cpu 1 [ 234.593659][ C1] CPU: 1 PID: 10417 Comm: syz-executor159 Not tainted 5.3.0-rc3+ #94 [ 234.593664][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.593667][ C1] RIP: 0010:lock_acquire+0x1b9/0x410 [ 234.593677][ C1] Code: ff 48 b8 00 00 00 00 00 fc ff df 65 48 8b 1c 25 40 fe 01 00 48 8d bb 8c 08 00 00 48 83 c4 20 48 89 fa 48 c1 ea 03 0f b6 14 02 <48> 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 85 0d 02 00 00 48 [ 234.593681][ C1] RSP: 0018:ffff8880920278a0 EFLAGS: 00000807 [ 234.593687][ C1] RAX: dffffc0000000000 RBX: ffff88808ed74080 RCX: 0000000000000000 [ 234.593692][ C1] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88808ed7490c [ 234.593697][ C1] RBP: ffff8880920278e8 R08: 0000000000000001 R09: 0000000000000000 [ 234.593701][ C1] R10: fffffbfff134ae67 R11: ffff88808ed74080 R12: ffff8880a1974bd0 [ 234.593706][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 234.593710][ C1] FS: 00007fdd2663b700(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 234.593714][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 234.593719][ C1] CR2: ffffffffff600400 CR3: 0000000096c1e000 CR4: 00000000001406e0 [ 234.593723][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 234.593727][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 234.593730][ C1] Call Trace: [ 234.593733][ C1] __mutex_lock+0x156/0x13c0 [ 234.593735][ C1] ? perf_mmap+0x736/0x19b0 [ 234.593738][ C1] ? perf_mmap+0x736/0x19b0 [ 234.593742][ C1] ? mutex_lock_io_nested+0x1260/0x1260 [ 234.593745][ C1] ? __mutex_unlock_slowpath+0x9b/0x6b0 [ 234.593748][ C1] ? __kasan_check_write+0x14/0x20 [ 234.593751][ C1] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 234.593755][ C1] ? wait_for_completion+0x440/0x440 [ 234.593757][ C1] ? perf_mmap+0x736/0x19b0 [ 234.593761][ C1] mutex_lock_nested+0x16/0x20 [ 234.593764][ C1] ? mutex_lock_nested+0x16/0x20 [ 234.593766][ C1] perf_mmap+0x736/0x19b0 [ 234.593769][ C1] ? perf_release+0x50/0x50 [ 234.593772][ C1] ? memset+0x32/0x40 [ 234.593775][ C1] mmap_region+0xc35/0x1760 [ 234.593778][ C1] ? __x64_sys_brk+0x760/0x760 [ 234.593781][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 234.593785][ C1] ? get_unmapped_area+0x2ad/0x3d0 [ 234.593787][ C1] do_mmap+0x82e/0x1090 [ 234.593790][ C1] vm_mmap_pgoff+0x1c5/0x230 [ 234.593793][ C1] ? vma_is_stack_for_current+0xd0/0xd0 [ 234.593797][ C1] ? ksys_dup3+0x3e0/0x3e0 [ 234.593800][ C1] ? finish_task_switch+0x147/0x720 [ 234.593803][ C1] ksys_mmap_pgoff+0x4aa/0x630 [ 234.593807][ C1] ? find_mergeable_anon_vma+0x2e0/0x2e0 [ 234.593810][ C1] ? __kasan_check_write+0x14/0x20 [ 234.593813][ C1] ? switch_fpu_return+0x1fa/0x4f0 [ 234.593816][ C1] __x64_sys_mmap+0xe9/0x1b0 [ 234.593819][ C1] do_syscall_64+0xfd/0x6a0 [ 234.593822][ C1] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 234.593825][ C1] RIP: 0033:0x448d19 [ 234.593835][ C1] Code: e8 7c 1a 03 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 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 3b 0c fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 234.593838][ C1] RSP: 002b:00007fdd2663acd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000009 [ 234.593846][ C1] RAX: ffffffffffffffda RBX: 00000000006dfc58 RCX: 0000000000448d19 [ 234.593851][ C1] RDX: 0000000000000000 RSI: 0000000000003000 RDI: 0000000020ffd000 [ 234.593855][ C1] RBP: 00000000006dfc50 R08: 0000000000000003 R09: 0000000000000000 [ 234.593859][ C1] R10: 0000000000001011 R11: 0000000000000246 R12: 00000000006dfc5c [ 234.593864][ C1] R13: 00007ffdc546a80f R14: 00007fdd2663b9c0 R15: 0000000000000005 [ 234.595397][ T1057] Kernel panic - not syncing: hung_task: blocked tasks [ 234.957391][ T1057] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc3+ #94 [ 234.964922][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 234.975048][ T1057] Call Trace: [ 234.978364][ T1057] dump_stack+0x172/0x1f0 [ 234.982783][ T1057] panic+0x2dc/0x755 [ 234.986673][ T1057] ? add_taint.cold+0x16/0x16 [ 234.991340][ T1057] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 234.996965][ T1057] ? ___preempt_schedule+0x16/0x20 [ 235.002069][ T1057] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 235.008212][ T1057] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 235.014365][ T1057] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 235.020510][ T1057] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 235.026664][ T1057] watchdog+0x9e1/0xef0 [ 235.030818][ T1057] kthread+0x361/0x430 [ 235.034877][ T1057] ? reset_hung_task_detector+0x30/0x30 [ 235.040413][ T1057] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 235.046646][ T1057] ret_from_fork+0x24/0x30 [ 235.052156][ T1057] Kernel Offset: disabled [ 235.056478][ T1057] Rebooting in 86400 seconds..