Warning: Permanently added '10.128.0.80' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program [ 482.992991][ T26] audit: type=1400 audit(1638921386.787:8): avc: denied { execmem } for pid=6531 comm="syz-executor255" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 716.184575][ T27] INFO: task syz-executor255:7795 blocked for more than 143 seconds. [ 716.192876][ T27] Not tainted 5.16.0-rc4-syzkaller #0 [ 716.198936][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 716.207736][ T27] task:syz-executor255 state:D stack:28448 pid: 7795 ppid: 6531 flags:0x00024004 [ 716.217072][ T27] Call Trace: [ 716.220448][ T27] [ 716.223418][ T27] __schedule+0xa9a/0x4940 [ 716.228026][ T27] ? io_uring_cancel_generic+0x4af/0x690 [ 716.233724][ T27] ? io_schedule_timeout+0x180/0x180 [ 716.239262][ T27] schedule+0xd2/0x260 [ 716.243352][ T27] io_uring_cancel_generic+0x53d/0x690 [ 716.248914][ T27] ? io_uring_setup.cold+0x2454/0x2454 [ 716.254443][ T27] ? do_exit+0x253/0x2b40 [ 716.258836][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.263715][ T27] ? finish_wait+0x270/0x270 [ 716.268409][ T27] ? rwlock_bug.part.0+0x90/0x90 [ 716.273392][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 716.279842][ T27] ? __validate_process_creds+0x20c/0x370 [ 716.285725][ T27] do_exit+0x60c/0x2b40 [ 716.289998][ T27] ? mm_update_next_owner+0x7a0/0x7a0 [ 716.295413][ T27] ? lock_downgrade+0x6e0/0x6e0 [ 716.300372][ T27] do_group_exit+0x125/0x310 [ 716.305032][ T27] get_signal+0x47d/0x2220 [ 716.309528][ T27] arch_do_signal_or_restart+0x2a9/0x1c40 [ 716.315383][ T27] ? do_futex+0x10c/0x390 [ 716.319758][ T27] ? __ia32_sys_get_robust_list+0x420/0x420 [ 716.325746][ T27] ? find_held_lock+0x2d/0x110 [ 716.330630][ T27] ? get_sigframe_size+0x10/0x10 [ 716.335620][ T27] ? __x64_sys_futex+0x1b0/0x4a0 [ 716.340560][ T27] ? do_futex+0x390/0x390 [ 716.344976][ T27] exit_to_user_mode_prepare+0x17d/0x290 [ 716.350703][ T27] syscall_exit_to_user_mode+0x19/0x60 [ 716.356243][ T27] do_syscall_64+0x42/0xb0 [ 716.360668][ T27] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.366633][ T27] RIP: 0033:0x7f413d0aaa59 [ 716.371047][ T27] RSP: 002b:00007f413d05c308 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 716.379516][ T27] RAX: fffffffffffffe00 RBX: 00007f413d132408 RCX: 00007f413d0aaa59 [ 716.387597][ T27] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f413d132408 [ 716.395822][ T27] RBP: 00007f413d132400 R08: 0000000000000000 R09: 0000000000000000 [ 716.403802][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f413d13240c [ 716.411874][ T27] R13: 0000000000000003 R14: 00007f413d05c400 R15: 0000000000022000 [ 716.419926][ T27] [ 716.422970][ T27] [ 716.422970][ T27] Showing all locks held in the system: [ 716.430861][ T27] 1 lock held by khungtaskd/27: [ 716.435812][ T27] #0: ffffffff8bb811a0 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 [ 716.446004][ T27] 1 lock held by in:imklog/6223: [ 716.450947][ T27] #0: ffff88801d98d670 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 [ 716.460288][ T27] [ 716.462711][ T27] ============================================= [ 716.462711][ T27] [ 716.471216][ T27] NMI backtrace for cpu 0 [ 716.475534][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc4-syzkaller #0 [ 716.483687][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.493731][ T27] Call Trace: [ 716.496997][ T27] [ 716.499912][ T27] dump_stack_lvl+0xcd/0x134 [ 716.504557][ T27] nmi_cpu_backtrace.cold+0x47/0x144 [ 716.509842][ T27] ? lapic_can_unplug_cpu+0x80/0x80 [ 716.515067][ T27] nmi_trigger_cpumask_backtrace+0x1b3/0x230 [ 716.521174][ T27] watchdog+0xc1d/0xf50 [ 716.525319][ T27] ? reset_hung_task_detector+0x30/0x30 [ 716.530852][ T27] kthread+0x405/0x4f0 [ 716.534925][ T27] ? set_kthread_struct+0x130/0x130 [ 716.540111][ T27] ret_from_fork+0x1f/0x30 [ 716.544533][ T27] [ 716.547627][ T27] Sending NMI from CPU 0 to CPUs 1: [ 716.552959][ C1] NMI backtrace for cpu 1 [ 716.552969][ C1] CPU: 1 PID: 2964 Comm: systemd-journal Not tainted 5.16.0-rc4-syzkaller #0 [ 716.552990][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.553001][ C1] RIP: 0010:deref_stack_reg+0x0/0x150 [ 716.553059][ C1] Code: 14 24 e9 7b ff ff ff 48 89 14 24 e8 da 25 89 00 48 8b 14 24 e9 48 ff ff ff 48 89 0c 24 e8 c8 25 89 00 48 8b 0c 24 eb 9d 66 90 <48> b8 00 00 00 00 00 fc ff df 41 55 41 54 49 89 fc 55 48 89 f5 53 [ 716.553078][ C1] RSP: 0018:ffffc90001ad79b0 EFLAGS: 00000046 [ 716.553094][ C1] RAX: ffffc90001ad7bb8 RBX: 1ffff9200035af3f RCX: ffffffff8e10151b [ 716.553108][ C1] RDX: ffffc90001ad7ad8 RSI: ffffc90001ad7bb0 RDI: ffffc90001ad7a90 [ 716.553122][ C1] RBP: 0000000000000001 R08: ffffffff8e101516 R09: 0000000000000001 [ 716.553134][ C1] R10: fffff5200035af5d R11: 000000000008808a R12: ffffc90001ad7ad8 [ 716.553147][ C1] R13: ffffc90001ad7ac5 R14: ffffc90001ad7a90 R15: ffffffff8e10151a [ 716.553161][ C1] FS: 00007f48af6af8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000 [ 716.553181][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 716.553195][ C1] CR2: 00007f48aca93018 CR3: 000000007738a000 CR4: 00000000003506e0 [ 716.553214][ C1] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 716.553226][ C1] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 716.553238][ C1] Call Trace: [ 716.553243][ C1] [ 716.553248][ C1] unwind_next_frame+0xcdc/0x1ce0 [ 716.553270][ C1] ? stack_trace_save+0x8c/0xc0 [ 716.553294][ C1] ? deref_stack_reg+0x150/0x150 [ 716.553312][ C1] ? stack_trace_save+0x8c/0xc0 [ 716.553334][ C1] ? kernel_text_address+0xd/0x60 [ 716.553356][ C1] ? create_prof_cpu_mask+0x20/0x20 [ 716.553378][ C1] arch_stack_walk+0x7d/0xe0 [ 716.553439][ C1] ? stack_trace_save+0x8c/0xc0 [ 716.553461][ C1] stack_trace_save+0x8c/0xc0 [ 716.553482][ C1] ? filter_irq_stacks+0x90/0x90 [ 716.553504][ C1] ? __lock_acquire+0x162f/0x54a0 [ 716.553526][ C1] kasan_save_stack+0x1e/0x50 [ 716.553592][ C1] ? find_held_lock+0x2d/0x110 [ 716.553611][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.553636][ C1] ? find_held_lock+0x2d/0x110 [ 716.553656][ C1] ? debug_check_no_obj_freed+0x20c/0x420 [ 716.553702][ C1] ? lock_downgrade+0x6e0/0x6e0 [ 716.553724][ C1] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 716.553747][ C1] ? do_raw_spin_unlock+0x171/0x230 [ 716.553771][ C1] ? _raw_spin_unlock_irqrestore+0x3d/0x70 [ 716.553797][ C1] ? debug_check_no_obj_freed+0x20c/0x420 [ 716.553817][ C1] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 716.553844][ C1] ? security_file_free+0xa4/0xd0 [ 716.553894][ C1] kasan_set_track+0x21/0x30 [ 716.553913][ C1] kasan_set_free_info+0x20/0x30 [ 716.553936][ C1] __kasan_slab_free+0xd1/0x110 [ 716.553956][ C1] ? security_file_free+0xa4/0xd0 [ 716.553976][ C1] kmem_cache_free.part.0+0x91/0x200 [ 716.553996][ C1] security_file_free+0xa4/0xd0 [ 716.554017][ C1] __fput+0x3d6/0x9f0 [ 716.554077][ C1] task_work_run+0xdd/0x1a0 [ 716.554098][ C1] exit_to_user_mode_prepare+0x27e/0x290 [ 716.554121][ C1] syscall_exit_to_user_mode+0x19/0x60 [ 716.554144][ C1] do_syscall_64+0x42/0xb0 [ 716.554162][ C1] entry_SYSCALL_64_after_hwframe+0x44/0xae [ 716.554187][ C1] RIP: 0033:0x7f48aec3e840 [ 716.554202][ C1] Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24 [ 716.554225][ C1] RSP: 002b:00007ffd32e9b188 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 716.554243][ C1] RAX: fffffffffffffffe RBX: 00007ffd32e9b490 RCX: 00007f48aec3e840 [ 716.554258][ C1] RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 000055dc34efa230 [ 716.554270][ C1] RBP: 000000000000000d R08: 00000000000001e0 R09: 00000000ffffffff [ 716.554281][ C1] R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff [ 716.554292][ C1] R13: 000055dc34eef060 R14: 00007ffd32e9b450 R15: 000055dc34efa320 [ 716.554306][ C1] [ 716.554313][ C1] INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.354 msecs [ 716.554954][ T27] Kernel panic - not syncing: hung_task: blocked tasks [ 716.966947][ T27] CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc4-syzkaller #0 [ 716.975089][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 716.985144][ T27] Call Trace: [ 716.988414][ T27] [ 716.991349][ T27] dump_stack_lvl+0xcd/0x134 [ 716.995937][ T27] panic+0x2b0/0x6dd [ 716.999887][ T27] ? __warn_printk+0xf3/0xf3 [ 717.004472][ T27] ? tick_nohz_tick_stopped+0x13/0xa0 [ 717.009887][ T27] ? __sanitizer_cov_trace_const_cmp1+0x22/0x80 [ 717.016144][ T27] ? __irq_work_queue_local+0xd8/0x1b0 [ 717.021656][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.027906][ T27] ? irq_work_queue+0x29/0x80 [ 717.032587][ T27] ? __sanitizer_cov_trace_const_cmp4+0x1c/0x70 [ 717.038829][ T27] ? watchdog.cold+0x130/0x158 [ 717.043646][ T27] watchdog.cold+0x141/0x158 [ 717.048245][ T27] ? reset_hung_task_detector+0x30/0x30 [ 717.053809][ T27] kthread+0x405/0x4f0 [ 717.057872][ T27] ? set_kthread_struct+0x130/0x130 [ 717.063502][ T27] ret_from_fork+0x1f/0x30 [ 717.067920][ T27] [ 717.071354][ T27] Kernel Offset: disabled [ 717.075723][ T27] Rebooting in 86400 seconds..