Warning: Permanently added '10.128.0.61' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 35.396961] WARNING: CPU: 0 PID: 5911 at mm/mempolicy.c:1745 alloc_pages_vma+0x1bd/0x4a0 [ 35.405450] Kernel panic - not syncing: panic_on_warn set ... [ 35.411330] CPU: 0 PID: 5911 Comm: syz-executor397 Not tainted 4.20.0-rc5+ #364 [ 35.418749] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.428183] Call Trace: [ 35.430751] dump_stack+0x244/0x39d [ 35.434362] ? dump_stack_print_info.cold.1+0x20/0x20 [ 35.439553] panic+0x2ad/0x55c [ 35.442725] ? add_taint.cold.5+0x16/0x16 [ 35.446851] ? __warn.cold.8+0x5/0x45 [ 35.450628] ? __warn+0xe8/0x1d0 [ 35.453982] ? alloc_pages_vma+0x1bd/0x4a0 [ 35.458199] __warn.cold.8+0x20/0x45 [ 35.461892] ? rcu_softirq_qs+0x20/0x20 [ 35.465848] ? alloc_pages_vma+0x1bd/0x4a0 [ 35.470059] report_bug+0x254/0x2d0 [ 35.473665] do_error_trap+0x11b/0x200 [ 35.477537] do_invalid_op+0x36/0x40 [ 35.481227] ? alloc_pages_vma+0x1bd/0x4a0 [ 35.485441] invalid_op+0x14/0x20 [ 35.488905] RIP: 0010:alloc_pages_vma+0x1bd/0x4a0 [ 35.493729] Code: 5f 5d c3 e8 35 2f bf ff 45 89 ec 31 ff 41 81 e4 00 00 04 00 44 89 e6 e8 31 30 bf ff 45 85 e4 0f 84 50 ff ff ff e8 13 2f bf ff <0f> 0b e9 44 ff ff ff e8 07 2f bf ff e8 22 5e ff ff 48 89 c3 e9 6b [ 35.512618] RSP: 0018:ffff8881c3526dd8 EFLAGS: 00010293 [ 35.517969] RAX: ffff8881c3758700 RBX: ffff8881da96f280 RCX: ffffffff81c06c9f [ 35.525238] RDX: 0000000000000000 RSI: ffffffff81c06cad RDI: 0000000000000005 [ 35.532484] RBP: ffff8881c3526e18 R08: ffff8881c3758700 R09: ffffed103b5c5b5f [ 35.539735] R10: 0000000000000002 R11: ffff8881dae2dafb R12: 0000000000040000 [ 35.546982] R13: 00000000000742ca R14: ffff8881da96f288 R15: 0000000000000002 [ 35.554256] ? alloc_pages_vma+0x1af/0x4a0 [ 35.558478] ? alloc_pages_vma+0x1bd/0x4a0 [ 35.562689] ? alloc_pages_vma+0x1bd/0x4a0 [ 35.566902] do_huge_pmd_anonymous_page+0x59e/0x2030 [ 35.571983] ? print_usage_bug+0xc0/0xc0 [ 35.576036] ? __thp_get_unmapped_area+0x180/0x180 [ 35.580956] ? __lock_acquire+0x62f/0x4c20 [ 35.585175] ? print_usage_bug+0xc0/0xc0 [ 35.589216] ? print_usage_bug+0xc0/0xc0 [ 35.593262] ? print_usage_bug+0xc0/0xc0 [ 35.597304] ? mark_held_locks+0x130/0x130 [ 35.601613] ? __lock_acquire+0x62f/0x4c20 [ 35.605832] ? __lock_acquire+0x62f/0x4c20 [ 35.610056] ? mark_held_locks+0x130/0x130 [ 35.614291] ? mark_held_locks+0x130/0x130 [ 35.618523] ? mark_held_locks+0x130/0x130 [ 35.622762] __handle_mm_fault+0x3c91/0x5be0 [ 35.627252] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 35.632078] ? print_usage_bug+0xc0/0xc0 [ 35.636128] ? print_usage_bug+0xc0/0xc0 [ 35.640178] ? zap_class+0x640/0x640 [ 35.643873] ? zap_class+0x640/0x640 [ 35.647570] ? find_held_lock+0x36/0x1c0 [ 35.651619] ? handle_mm_fault+0x42a/0xc70 [ 35.655838] ? lock_downgrade+0x900/0x900 [ 35.659970] ? check_preemption_disabled+0x48/0x280 [ 35.664975] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 35.669897] ? kasan_check_read+0x11/0x20 [ 35.674029] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 35.679434] ? rcu_softirq_qs+0x20/0x20 [ 35.683396] ? trace_hardirqs_off_caller+0x310/0x310 [ 35.688483] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.694007] ? check_preemption_disabled+0x48/0x280 [ 35.699009] handle_mm_fault+0x54f/0xc70 [ 35.703053] ? __handle_mm_fault+0x5be0/0x5be0 [ 35.707618] ? find_vma+0x34/0x190 [ 35.711143] __do_page_fault+0x5e8/0xe60 [ 35.715190] do_page_fault+0xf2/0x7e0 [ 35.718978] ? vmalloc_sync_all+0x30/0x30 [ 35.723107] ? error_entry+0x76/0xd0 [ 35.726805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 35.731808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.736645] ? trace_hardirqs_on_caller+0x310/0x310 [ 35.741653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.746484] page_fault+0x1e/0x30 [ 35.749931] RIP: 0010:copy_user_generic_unrolled+0xa0/0xc0 [ 35.755538] Code: 7f 40 ff c9 75 b6 89 d1 83 e2 07 c1 e9 03 74 12 4c 8b 06 4c 89 07 48 8d 76 08 48 8d 7f 08 ff c9 75 ee 21 d2 74 10 89 d1 8a 06 <88> 07 48 ff c6 48 ff c7 ff c9 75 f2 31 c0 0f 1f 00 c3 0f 1f 40 00 [ 35.774426] RSP: 0018:ffff8881c3527818 EFLAGS: 00010202 [ 35.779769] RAX: 000000000000004b RBX: 0000000000000004 RCX: 0000000000000004 [ 35.787159] RDX: 0000000000000004 RSI: ffff8881c35278f0 RDI: 0000000020d11000 [ 35.794412] RBP: ffff8881c3527850 R08: ffffed10386a4f1f R09: ffffed10386a4f1e [ 35.801664] R10: ffffed10386a4f1e R11: 0000000000000003 R12: 0000000020d11004 [ 35.808915] R13: 0000000020d11000 R14: ffff8881c35278f0 R15: 00007ffffffff000 [ 35.816182] ? _copy_to_user+0xf6/0x110 [ 35.820145] do_tcp_getsockopt.isra.43+0x2d5/0x3da0 [ 35.825229] ? refcount_add_not_zero_checked+0x330/0x330 [ 35.830673] ? rcu_read_lock_sched_held+0x14f/0x180 [ 35.835678] ? tcp_ioctl+0x740/0x740 [ 35.839379] ? lockdep_init_map+0x9/0x10 [ 35.843427] ? debug_mutex_init+0x2d/0x60 [ 35.847558] ? __mutex_init+0x1f7/0x290 [ 35.851517] ? zap_class+0x640/0x640 [ 35.855217] ? psi_task_change.cold.11+0x1ac/0x1ac [ 35.860137] ? find_held_lock+0x36/0x1c0 [ 35.864184] ? __fd_install+0x2b5/0x8f0 [ 35.868148] ? perf_trace_sched_process_exec+0x860/0x860 [ 35.873705] ? kasan_check_read+0x11/0x20 [ 35.877838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 35.883109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.888629] ? aa_label_sk_perm+0x91/0x100 [ 35.893039] ? debug_lockdep_rcu_enabled+0x77/0x90 [ 35.897972] ? aa_sk_perm+0x22b/0x8e0 [ 35.901757] ? fget_raw+0x20/0x20 [ 35.905193] ? __fd_install+0x2f9/0x8f0 [ 35.909153] ? aa_af_perm+0x5a0/0x5a0 [ 35.912938] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 35.918468] ? alloc_file_pseudo+0x281/0x3f0 [ 35.922869] tcp_getsockopt+0xc1/0xe0 [ 35.926655] ? tcp_getsockopt+0xc1/0xe0 [ 35.930636] sock_common_getsockopt+0x9a/0xe0 [ 35.935113] __sys_getsockopt+0x1ad/0x390 [ 35.939243] ? kernel_setsockopt+0x1d0/0x1d0 [ 35.943655] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 35.948221] ? trace_hardirqs_on+0xbd/0x310 [ 35.952524] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 35.957872] ? trace_hardirqs_off_caller+0x310/0x310 [ 35.962967] __x64_sys_getsockopt+0xbe/0x150 [ 35.967567] do_syscall_64+0x1b9/0x820 [ 35.971442] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 35.976797] ? syscall_return_slowpath+0x5e0/0x5e0 [ 35.981818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.986676] ? trace_hardirqs_on_caller+0x310/0x310 [ 35.991835] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 35.996842] ? prepare_exit_to_usermode+0x291/0x3b0 [ 36.001853] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.006833] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 36.012011] RIP: 0033:0x440029 [ 36.015203] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 36.034342] RSP: 002b:00007ffcd9c99868 EFLAGS: 00000213 ORIG_RAX: 0000000000000037 [ 36.042043] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440029 [ 36.049442] RDX: 0000000000000005 RSI: 0000000000000006 RDI: 0000000000000003 [ 36.056705] RBP: 00000000006ca018 R08: 0000000020000000 R09: 00000000004002c8 [ 36.063960] R10: 0000000020d11000 R11: 0000000000000213 R12: 00000000004018b0 [ 36.071217] R13: 0000000000401940 R14: 0000000000000000 R15: 0000000000000000 [ 36.079972] Kernel Offset: disabled [ 36.083679] Rebooting in 86400 seconds..