Warning: Permanently added '10.128.0.48' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 492.297871][ T1057] INFO: task syz-executor346:9975 blocked for more than 143 seconds. [ 492.306092][ T1057] Not tainted 5.3.0-rc1+ #79 [ 492.311801][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.320754][ T1057] syz-executor346 D27640 9975 9974 0x20024004 [ 492.327339][ T1057] Call Trace: [ 492.332988][ T1057] __schedule+0x755/0x1580 [ 492.337396][ T1057] ? __sched_text_start+0x8/0x8 [ 492.342614][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 492.347556][ T1057] ? rwsem_down_read_slowpath+0x2b8/0xf90 [ 492.353656][ T1057] schedule+0xa8/0x270 [ 492.357915][ T1057] rwsem_down_read_slowpath+0x4cc/0xf90 [ 492.363458][ T1057] ? down_write_killable_nested+0x180/0x180 [ 492.369673][ T1057] ? mark_held_locks+0xf0/0xf0 [ 492.374444][ T1057] ? free_object+0x9/0x70 [ 492.378995][ T1057] ? debug_object_free+0x1f9/0x390 [ 492.384088][ T1057] ? lock_acquire+0x190/0x410 [ 492.389245][ T1057] ? __do_page_fault+0xaa2/0xdd0 [ 492.394182][ T1057] down_read+0x1f4/0x3f0 [ 492.398639][ T1057] ? down_read+0xa3/0x3f0 [ 492.403046][ T1057] ? down_read+0x1f4/0x3f0 [ 492.407500][ T1057] ? down_read_trylock+0x9b/0x1a0 [ 492.412947][ T1057] ? down_read_killable+0x460/0x460 [ 492.418271][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 492.423393][ T1057] __do_page_fault+0xaa2/0xdd0 [ 492.428465][ T1057] ? page_fault+0x16/0x40 [ 492.432915][ T1057] do_page_fault+0x38/0x590 [ 492.437401][ T1057] page_fault+0x39/0x40 [ 492.441993][ T1057] RIP: 0023:0x80a57d0 [ 492.446099][ T1057] Code: Bad RIP value. [ 492.450663][ T1057] RSP: 002b:00000000fff5571c EFLAGS: 00010202 [ 492.456711][ T1057] RAX: 0000000000000000 RBX: 0000000000000002 RCX: 00000000080fd468 [ 492.465007][ T1057] RDX: 000000000804ea60 RSI: 00000000080fa0ac RDI: 00000000080fd460 [ 492.473239][ T1057] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000 [ 492.481659][ T1057] R10: 0000000000000000 R11: 0000000000000296 R12: 0000000000000000 [ 492.489878][ T1057] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 492.498271][ T1057] INFO: task syz-executor346:9976 blocked for more than 143 seconds. [ 492.506329][ T1057] Not tainted 5.3.0-rc1+ #79 [ 492.511738][ T1057] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 492.520668][ T1057] syz-executor346 D28520 9976 9974 0xa0024004 [ 492.526998][ T1057] Call Trace: [ 492.530740][ T1057] __schedule+0x755/0x1580 [ 492.535198][ T1057] ? __sched_text_start+0x8/0x8 [ 492.540478][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 492.545416][ T1057] ? rwsem_down_read_slowpath+0x2b8/0xf90 [ 492.551500][ T1057] schedule+0xa8/0x270 [ 492.555704][ T1057] rwsem_down_read_slowpath+0x4cc/0xf90 [ 492.561783][ T1057] ? down_write_killable_nested+0x180/0x180 [ 492.567670][ T1057] ? mark_held_locks+0xf0/0xf0 [ 492.572880][ T1057] ? lock_acquire+0x190/0x410 [ 492.577927][ T1057] ? do_exit+0x47b/0x2eb0 [ 492.582257][ T1057] down_read+0x1f4/0x3f0 [ 492.586490][ T1057] ? down_read+0xa3/0x3f0 [ 492.591127][ T1057] ? down_read+0x1f4/0x3f0 [ 492.595526][ T1057] ? down_read_killable+0x460/0x460 [ 492.601060][ T1057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 492.607347][ T1057] ? sync_mm_rss+0xa4/0x1c0 [ 492.612107][ T1057] do_exit+0x47b/0x2eb0 [ 492.616309][ T1057] ? mm_update_next_owner+0x640/0x640 [ 492.621935][ T1057] ? __kasan_check_write+0x14/0x20 [ 492.627057][ T1057] ? lock_downgrade+0x920/0x920 [ 492.632276][ T1057] ? rwlock_bug.part.0+0x90/0x90 [ 492.637472][ T1057] ? get_signal+0x20e/0x2500 [ 492.643162][ T1057] do_group_exit+0x135/0x360 [ 492.648017][ T1057] get_signal+0x47c/0x2500 [ 492.652523][ T1057] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 492.659092][ T1057] ? fput_many+0x12c/0x1a0 [ 492.663507][ T1057] do_signal+0x87/0x1700 [ 492.668044][ T1057] ? refcount_sub_and_test_checked+0x154/0x200 [ 492.674294][ T1057] ? refcount_dec_not_one+0x1f0/0x1f0 [ 492.679951][ T1057] ? setup_sigcontext+0x7d0/0x7d0 [ 492.684974][ T1057] ? __x64_sys_futex_time32+0x4c0/0x4c0 [ 492.690945][ T1057] ? trace_hardirqs_on+0x67/0x240 [ 492.695968][ T1057] exit_to_usermode_loop+0x286/0x380 [ 492.702106][ T1057] do_fast_syscall_32+0xb87/0xdb3 [ 492.707218][ T1057] entry_SYSENTER_compat+0x70/0x7f [ 492.712736][ T1057] RIP: 0023:0xf7fc89c9 [ 492.717004][ T1057] Code: Bad RIP value. [ 492.721502][ T1057] RSP: 002b:00000000f7fc41ec EFLAGS: 00000296 ORIG_RAX: 00000000000000f0 [ 492.730285][ T1057] RAX: fffffffffffffe00 RBX: 00000000080fb008 RCX: 0000000000000080 [ 492.738681][ T1057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 [ 492.746648][ T1057] RBP: 0000000000002405 R08: 0000000000000000 R09: 0000000000000000 [ 492.754890][ T1057] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 492.763136][ T1057] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 492.771386][ T1057] INFO: lockdep is turned off. [ 492.776261][ T1057] NMI backtrace for cpu 0 [ 492.780700][ T1057] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc1+ #79 [ 492.788317][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.798348][ T1057] Call Trace: [ 492.801812][ T1057] dump_stack+0x172/0x1f0 [ 492.806135][ T1057] nmi_cpu_backtrace.cold+0x70/0xb2 [ 492.811438][ T1057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 492.817761][ T1057] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 492.823489][ T1057] nmi_trigger_cpumask_backtrace+0x23b/0x28b [ 492.829460][ T1057] arch_trigger_cpumask_backtrace+0x14/0x20 [ 492.835450][ T1057] watchdog+0x9d0/0xef0 [ 492.839599][ T1057] kthread+0x361/0x430 [ 492.843697][ T1057] ? reset_hung_task_detector+0x30/0x30 [ 492.849229][ T1057] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 492.855561][ T1057] ret_from_fork+0x24/0x30 [ 492.860032][ T1057] Sending NMI from CPU 0 to CPUs 1: [ 492.865620][ C1] NMI backtrace for cpu 1 [ 492.865625][ C1] CPU: 1 PID: 9977 Comm: syz-executor346 Not tainted 5.3.0-rc1+ #79 [ 492.865630][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 492.865632][ C1] RIP: 0010:lock_acquire+0x15c/0x410 [ 492.865641][ C1] Code: d2 be 08 00 00 00 48 89 d0 48 89 55 c0 48 c1 f8 06 48 8d 3c c5 f8 63 a5 89 e8 b0 9e 53 00 48 8b 55 c0 48 0f a3 15 fc 6b 4c 08 <0f> 82 bb 01 00 00 4c 8b 4d c8 41 89 d8 6a 00 44 89 f2 6a 00 4c 89 [ 492.865644][ C1] RSP: 0018:ffff888092a97890 EFLAGS: 00000047 [ 492.865649][ C1] RAX: 0000000000000001 RBX: 0000000000000001 RCX: ffffffff8158f7f0 [ 492.865653][ C1] RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffffff89a563f8 [ 492.865656][ C1] RBP: ffff888092a978d8 R08: 1ffffffff134ac7f R09: fffffbfff134ac80 [ 492.865659][ C1] R10: fffffbfff134ac7f R11: ffffffff89a563ff R12: ffff888091598690 [ 492.865663][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 492.865666][ C1] FS: 0000000000000000(0000) GS:ffff8880ae900000(0063) knlGS:00000000f7fa3b40 [ 492.865669][ C1] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 [ 492.865673][ C1] CR2: ffffffffff600400 CR3: 000000009353b000 CR4: 00000000001406e0 [ 492.865676][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 492.865679][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 492.865681][ C1] Call Trace: [ 492.865683][ C1] ? perf_mmap+0x736/0x19b0 [ 492.865685][ C1] __mutex_lock+0xf7/0x1340 [ 492.865687][ C1] ? perf_mmap+0x736/0x19b0 [ 492.865689][ C1] ? perf_mmap+0x736/0x19b0 [ 492.865691][ C1] ? lock_downgrade+0x920/0x920 [ 492.865694][ C1] ? trace_hardirqs_on_caller+0x6a/0x240 [ 492.865696][ C1] ? mutex_lock_io_nested+0x11d0/0x11d0 [ 492.865699][ C1] ? trace_hardirqs_on_thunk+0x1a/0x20 [ 492.865701][ C1] ? __kasan_check_write+0x14/0x20 [ 492.865704][ C1] ? __mutex_unlock_slowpath+0xf8/0x6b0 [ 492.865706][ C1] ? retint_kernel+0x2b/0x2b [ 492.865708][ C1] ? wait_for_completion+0x440/0x440 [ 492.865710][ C1] ? perf_mmap+0x802/0x19b0 [ 492.865712][ C1] mutex_lock_nested+0x16/0x20 [ 492.865715][ C1] ? mutex_lock_nested+0x16/0x20 [ 492.865717][ C1] perf_mmap+0x736/0x19b0 [ 492.865719][ C1] ? perf_release+0x50/0x50 [ 492.865721][ C1] ? memset+0x32/0x40 [ 492.865723][ C1] mmap_region+0xc35/0x1760 [ 492.865725][ C1] ? __x64_sys_brk+0x760/0x760 [ 492.865728][ C1] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 492.865730][ C1] ? get_unmapped_area+0x2ad/0x3d0 [ 492.865732][ C1] do_mmap+0x82e/0x1090 [ 492.865734][ C1] vm_mmap_pgoff+0x1c5/0x230 [ 492.865737][ C1] ? vma_is_stack_for_current+0xd0/0xd0 [ 492.865739][ C1] ? ksys_dup3+0x3e0/0x3e0 [ 492.865741][ C1] ksys_mmap_pgoff+0x4aa/0x630 [ 492.865743][ C1] ? find_mergeable_anon_vma+0x2e0/0x2e0 [ 492.865746][ C1] ? __kasan_check_write+0x14/0x20 [ 492.865748][ C1] ? switch_fpu_return+0x1fa/0x4f0 [ 492.865750][ C1] __ia32_sys_mmap_pgoff+0xdd/0x1a0 [ 492.865753][ C1] do_fast_syscall_32+0x27b/0xdb3 [ 492.865755][ C1] entry_SYSENTER_compat+0x70/0x7f [ 492.865757][ C1] RIP: 0023:0xf7fc89c9 [ 492.865765][ C1] Code: d3 83 c4 10 5b 5e 5d c3 ba 80 96 98 00 eb a9 8b 04 24 c3 8b 34 24 c3 8b 3c 24 c3 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 492.865767][ C1] RSP: 002b:00000000f7fa31ec EFLAGS: 00000292 ORIG_RAX: 00000000000000c0 [ 492.865773][ C1] RAX: ffffffffffffffda RBX: 0000000020ffd000 RCX: 0000000000003000 [ 492.865777][ C1] RDX: 0000000003000001 RSI: 0000000000001011 RDI: 0000000000000003 [ 492.865780][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 492.865784][ C1] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 492.865787][ C1] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 492.871601][ T1057] Kernel panic - not syncing: hung_task: blocked tasks [ 493.246845][ T1057] CPU: 0 PID: 1057 Comm: khungtaskd Not tainted 5.3.0-rc1+ #79 [ 493.254360][ T1057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 493.264530][ T1057] Call Trace: [ 493.267916][ T1057] dump_stack+0x172/0x1f0 [ 493.272337][ T1057] panic+0x2dc/0x755 [ 493.276296][ T1057] ? add_taint.cold+0x16/0x16 [ 493.280954][ T1057] ? lapic_can_unplug_cpu.cold+0x45/0x45 [ 493.286677][ T1057] ? ___preempt_schedule+0x16/0x20 [ 493.291773][ T1057] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 493.297908][ T1057] ? nmi_trigger_cpumask_backtrace+0x24c/0x28b [ 493.304039][ T1057] ? nmi_trigger_cpumask_backtrace+0x256/0x28b [ 493.310183][ T1057] ? nmi_trigger_cpumask_backtrace+0x21b/0x28b [ 493.316325][ T1057] watchdog+0x9e1/0xef0 [ 493.320473][ T1057] kthread+0x361/0x430 [ 493.324522][ T1057] ? reset_hung_task_detector+0x30/0x30 [ 493.330053][ T1057] ? kthread_cancel_delayed_work_sync+0x20/0x20 [ 493.336280][ T1057] ret_from_fork+0x24/0x30 [ 493.342032][ T1057] Kernel Offset: disabled [ 493.346363][ T1057] Rebooting in 86400 seconds..