[info] Using makefile-style concurrent boot in runlevel 2. [ 25.887231] audit: type=1800 audit(1544119749.774:21): pid=5830 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.915911] audit: type=1800 audit(1544119749.784:22): pid=5830 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="motd" dev="sda1" ino=2447 res=0 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 32.137114] sshd (5970) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.15.224' (ECDSA) to the list of known hosts. executing program [ 38.595432] WARNING: CPU: 1 PID: 5986 at mm/mempolicy.c:1745 alloc_pages_vma+0x1bd/0x4a0 [ 38.603811] Kernel panic - not syncing: panic_on_warn set ... [ 38.609685] CPU: 1 PID: 5986 Comm: syz-executor895 Not tainted 4.20.0-rc5+ #267 [ 38.617118] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.626464] Call Trace: [ 38.629054] dump_stack+0x244/0x39d [ 38.632789] ? dump_stack_print_info.cold.1+0x20/0x20 [ 38.638089] panic+0x2ad/0x55c [ 38.641273] ? add_taint.cold.5+0x16/0x16 [ 38.645492] ? __warn.cold.8+0x5/0x45 [ 38.649286] ? __warn+0xe8/0x1d0 [ 38.652721] ? alloc_pages_vma+0x1bd/0x4a0 [ 38.656952] __warn.cold.8+0x20/0x45 [ 38.660834] ? rcu_softirq_qs+0x20/0x20 [ 38.664803] ? alloc_pages_vma+0x1bd/0x4a0 [ 38.669036] report_bug+0x254/0x2d0 [ 38.672653] do_error_trap+0x11b/0x200 [ 38.676525] do_invalid_op+0x36/0x40 [ 38.680225] ? alloc_pages_vma+0x1bd/0x4a0 [ 38.684448] invalid_op+0x14/0x20 [ 38.687889] RIP: 0010:alloc_pages_vma+0x1bd/0x4a0 [ 38.692720] 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 [ 38.712127] RSP: 0018:ffff8881c2a66b18 EFLAGS: 00010293 [ 38.717481] RAX: ffff8881c1d56300 RBX: ffff8881da96f000 RCX: ffffffff81c06c9f [ 38.724847] RDX: 0000000000000000 RSI: ffffffff81c06cad RDI: 0000000000000005 [ 38.732120] RBP: ffff8881c2a66b58 R08: ffff8881c1d56300 R09: ffffed103b5e5b5f [ 38.739588] R10: 0000000000000002 R11: ffff8881daf2dafb R12: 0000000000040000 [ 38.747646] R13: 00000000000742ca R14: ffff8881da96f008 R15: 0000000000000002 [ 38.754922] ? alloc_pages_vma+0x1af/0x4a0 [ 38.759147] ? alloc_pages_vma+0x1bd/0x4a0 [ 38.763369] ? alloc_pages_vma+0x1bd/0x4a0 [ 38.767601] do_huge_pmd_wp_page+0x1373/0x5fc0 [ 38.772179] ? __lock_acquire+0x62f/0x4c20 [ 38.776404] ? __split_huge_pmd+0xa70/0xa70 [ 38.780712] ? mark_held_locks+0x130/0x130 [ 38.784932] ? unwind_get_return_address+0x61/0xa0 [ 38.789850] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 38.795020] ? save_stack+0xa9/0xd0 [ 38.798660] ? save_stack+0x43/0xd0 [ 38.802300] ? kasan_kmalloc+0xc7/0xe0 [ 38.806177] ? kasan_slab_alloc+0x12/0x20 [ 38.810378] ? kmem_cache_alloc+0x12e/0x730 [ 38.814698] ? ptlock_alloc+0x20/0x80 [ 38.818490] ? pte_alloc_one+0x6b/0x1a0 [ 38.822451] ? __handle_mm_fault+0x3c91/0x5be0 [ 38.827017] ? handle_mm_fault+0x54f/0xc70 [ 38.831236] ? __get_user_pages+0xa3d/0x1ea0 [ 38.835805] ? get_user_pages_locked+0x23f/0x470 [ 38.840559] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 38.846090] ? alloc_pages_current+0x17b/0x350 [ 38.850665] ? zap_class+0x640/0x640 [ 38.854364] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.859888] ? mm_get_huge_zero_page+0x153/0x6a0 [ 38.864636] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 38.870454] ? __phys_addr+0xa6/0x120 [ 38.874245] ? pgtable_trans_huge_deposit+0x32b/0x4f0 [ 38.879428] ? find_held_lock+0x36/0x1c0 [ 38.883487] ? do_huge_pmd_anonymous_page+0x1675/0x2030 [ 38.889237] ? print_usage_bug+0xc0/0xc0 [ 38.893290] ? kasan_check_read+0x11/0x20 [ 38.897420] ? do_raw_spin_unlock+0xa7/0x330 [ 38.901809] ? do_raw_spin_trylock+0x270/0x270 [ 38.906390] ? shrink_huge_zero_page_scan+0x170/0x170 [ 38.911578] ? lockdep_init_map+0x9/0x10 [ 38.915645] ? __lock_acquire+0x62f/0x4c20 [ 38.919876] ? do_huge_pmd_anonymous_page+0x4b1/0x2030 [ 38.925328] ? pgtable_trans_huge_withdraw+0x3fb/0x5b0 [ 38.930621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 38.935766] ? pmdp_set_access_flags+0x19f/0x2e0 [ 38.940516] ? ptep_set_access_flags+0x1a0/0x1a0 [ 38.945273] ? print_usage_bug+0xc0/0xc0 [ 38.949469] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 38.955175] ? touch_pmd+0x71/0xa0 [ 38.958710] ? kasan_check_write+0x14/0x20 [ 38.962942] ? follow_trans_huge_pmd+0x6c1/0x11a0 [ 38.967785] ? huge_pmd_set_accessed+0x4b0/0x4b0 [ 38.972547] ? __lock_acquire+0x62f/0x4c20 [ 38.976771] ? mark_held_locks+0x130/0x130 [ 38.981001] ? zap_class+0x640/0x640 [ 38.984711] ? mark_held_locks+0x130/0x130 [ 38.989091] ? __lock_acquire+0x62f/0x4c20 [ 38.993334] ? find_held_lock+0x36/0x1c0 [ 38.997388] ? print_usage_bug+0xc0/0xc0 [ 39.001437] ? print_usage_bug+0xc0/0xc0 [ 39.005486] ? follow_page_mask+0x1bda/0x2160 [ 39.009969] ? lock_downgrade+0x900/0x900 [ 39.014352] ? kasan_check_read+0x11/0x20 [ 39.018516] ? __lock_acquire+0x62f/0x4c20 [ 39.022972] ? __lock_acquire+0x62f/0x4c20 [ 39.027200] ? print_usage_bug+0xc0/0xc0 [ 39.031265] ? _raw_spin_unlock+0x2c/0x50 [ 39.035410] ? mark_held_locks+0x130/0x130 [ 39.039635] ? mark_held_locks+0x130/0x130 [ 39.044039] ? __lock_acquire+0x62f/0x4c20 [ 39.048280] __handle_mm_fault+0x2ddc/0x5be0 [ 39.052680] ? __lock_acquire+0x62f/0x4c20 [ 39.056929] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 39.061773] ? print_usage_bug+0xc0/0xc0 [ 39.065824] ? print_usage_bug+0xc0/0xc0 [ 39.069982] ? mark_held_locks+0x130/0x130 [ 39.074221] ? zap_class+0x640/0x640 [ 39.077934] ? zap_class+0x640/0x640 [ 39.081635] ? __lock_acquire+0x62f/0x4c20 [ 39.085880] ? find_held_lock+0x36/0x1c0 [ 39.089945] ? handle_mm_fault+0x42a/0xc70 [ 39.094289] ? lock_downgrade+0x900/0x900 [ 39.098425] ? check_preemption_disabled+0x48/0x280 [ 39.103431] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 39.108361] ? kasan_check_read+0x11/0x20 [ 39.112498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 39.117764] ? rcu_softirq_qs+0x20/0x20 [ 39.121734] ? trace_hardirqs_off_caller+0x310/0x310 [ 39.126943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 39.132478] ? check_preemption_disabled+0x48/0x280 [ 39.137486] handle_mm_fault+0x54f/0xc70 [ 39.141535] ? __handle_mm_fault+0x5be0/0x5be0 [ 39.146106] ? find_vma+0x34/0x190 [ 39.149634] __do_page_fault+0x5e8/0xe60 [ 39.153851] ? zap_class+0x640/0x640 [ 39.157559] do_page_fault+0xf2/0x7e0 [ 39.161358] ? vmalloc_sync_all+0x30/0x30 [ 39.165495] ? error_entry+0x76/0xd0 [ 39.169200] ? trace_hardirqs_off_caller+0xbb/0x310 [ 39.174226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.179074] ? trace_hardirqs_on_caller+0x310/0x310 [ 39.184284] ? __might_fault+0x12b/0x1e0 [ 39.188447] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.193490] page_fault+0x1e/0x30 [ 39.196940] RIP: 0010:compat_put_bitmap+0x11b/0x290 [ 39.201948] Code: 00 4d 8d 7d 08 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 80 3c 02 00 0f 85 4f 01 00 00 49 8b 5d 00 4d 8d 6e 04 31 c0 <41> 89 1e 31 ff 89 c6 89 45 d0 e8 06 75 09 00 8b 45 d0 85 c0 0f 85 [ 39.220991] RSP: 0018:ffff8881c2a67ce8 EFLAGS: 00010246 [ 39.226427] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffffffff81762783 [ 39.233702] RDX: 1ffff1103854cfad RSI: ffffffff81762792 RDI: 0000000000000007 [ 39.240965] RBP: ffff8881c2a67d18 R08: ffff8881c1d56300 R09: 0000000000000008 [ 39.248350] R10: 0000000000000001 R11: ffff8881c1d56300 R12: 0000000000000002 [ 39.255613] R13: 00000000203e8004 R14: 00000000203e8000 R15: ffff8881c2a67d70 [ 39.262890] ? compat_put_bitmap+0xe3/0x290 [ 39.267202] ? compat_put_bitmap+0xf2/0x290 [ 39.271520] ? compat_put_bitmap+0xf2/0x290 [ 39.275833] __ia32_compat_sys_get_mempolicy+0x215/0x2e0 [ 39.281276] ? __ia32_sys_get_mempolicy+0x140/0x140 [ 39.286284] ? __ia32_sys_mbind+0xdd/0x1a0 [ 39.290510] do_fast_syscall_32+0x34d/0xfb2 [ 39.294956] ? do_int80_syscall_32+0x890/0x890 [ 39.299532] ? entry_SYSENTER_compat+0x68/0x7f [ 39.304110] ? trace_hardirqs_off_caller+0xbb/0x310 [ 39.309112] ? syscall_return_slowpath+0x5e0/0x5e0 [ 39.314029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.319003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.323882] ? trace_hardirqs_on_caller+0x310/0x310 [ 39.328910] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 39.333923] ? prepare_exit_to_usermode+0x291/0x3b0 [ 39.338946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 39.343804] entry_SYSENTER_compat+0x70/0x7f [ 39.348207] RIP: 0023:0xf7ff8a29 [ 39.351577] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 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 [ 39.370470] RSP: 002b:00000000ff8589ec EFLAGS: 00000286 ORIG_RAX: 0000000000000113 [ 39.378175] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000203e8000 [ 39.385443] RDX: 0000000000000000 RSI: 0000000020336000 RDI: 0000000000000003 [ 39.392697] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 39.399952] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 39.407336] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 39.416009] Kernel Offset: disabled [ 39.419710] Rebooting in 86400 seconds..