[info] Using makefile-style concurrent boot in runlevel 2. [ 25.827873] audit: type=1800 audit(1544122581.577:21): pid=5837 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="bootlogs" dev="sda1" ino=2419 res=0 [ 25.856281] audit: type=1800 audit(1544122581.577:22): pid=5837 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 Warning: Permanently added '10.128.0.119' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 37.292642] WARNING: CPU: 0 PID: 5993 at mm/mempolicy.c:1745 alloc_pages_vma+0x1bd/0x4a0 [ 37.301056] Kernel panic - not syncing: panic_on_warn set ... [ 37.306935] CPU: 0 PID: 5993 Comm: syz-executor732 Not tainted 4.20.0-rc5+ #364 [ 37.314381] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.323744] Call Trace: [ 37.326368] dump_stack+0x244/0x39d [ 37.329976] ? dump_stack_print_info.cold.1+0x20/0x20 [ 37.335155] panic+0x2ad/0x55c [ 37.338327] ? add_taint.cold.5+0x16/0x16 [ 37.342486] ? __warn.cold.8+0x5/0x45 [ 37.346269] ? __warn+0xe8/0x1d0 [ 37.349646] ? alloc_pages_vma+0x1bd/0x4a0 [ 37.353862] __warn.cold.8+0x20/0x45 [ 37.357571] ? rcu_softirq_qs+0x20/0x20 [ 37.361522] ? alloc_pages_vma+0x1bd/0x4a0 [ 37.365742] report_bug+0x254/0x2d0 [ 37.369347] do_error_trap+0x11b/0x200 [ 37.373222] do_invalid_op+0x36/0x40 [ 37.376912] ? alloc_pages_vma+0x1bd/0x4a0 [ 37.381124] invalid_op+0x14/0x20 [ 37.384553] RIP: 0010:alloc_pages_vma+0x1bd/0x4a0 [ 37.389371] 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 [ 37.408282] RSP: 0000:ffff8881c1c9e918 EFLAGS: 00010293 [ 37.413636] RAX: ffff8881c1ca4240 RBX: ffff8881da96f000 RCX: ffffffff81c06c9f [ 37.420899] RDX: 0000000000000000 RSI: ffffffff81c06cad RDI: 0000000000000005 [ 37.428151] RBP: ffff8881c1c9e958 R08: ffff8881c1ca4240 R09: ffffed103a3050f2 [ 37.435398] R10: ffffed103a3050f2 R11: ffff8881d1828793 R12: 0000000000040000 [ 37.442716] R13: 00000000000742ca R14: ffff8881da96f008 R15: 0000000000000002 [ 37.449973] ? alloc_pages_vma+0x1af/0x4a0 [ 37.454204] ? alloc_pages_vma+0x1bd/0x4a0 [ 37.458418] ? alloc_pages_vma+0x1bd/0x4a0 [ 37.462638] do_huge_pmd_wp_page+0x1373/0x5fc0 [ 37.467204] ? print_usage_bug+0xc0/0xc0 [ 37.471255] ? __split_huge_pmd+0xa70/0xa70 [ 37.475557] ? lock_unpin_lock+0x4a0/0x4a0 [ 37.479776] ? mark_held_locks+0x130/0x130 [ 37.483989] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 37.488552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.494067] ? __alloc_pages_nodemask+0x653/0xea0 [ 37.498912] ? trace_hardirqs_off_caller+0x310/0x310 [ 37.503996] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 37.509513] ? kernel_poison_pages+0x15a/0x290 [ 37.514087] ? kasan_unpoison_shadow+0x35/0x50 [ 37.518648] ? preempt_count_add+0xbc/0x1b0 [ 37.522954] ? get_page_from_freelist+0x17ae/0x5340 [ 37.527980] ? noop_count+0x40/0x40 [ 37.531587] ? print_bfs_bug+0x80/0x80 [ 37.535457] ? find_held_lock+0x36/0x1c0 [ 37.539497] ? check_usage+0x1aa/0x790 [ 37.543367] ? __unlock_page_memcg+0x53/0x100 [ 37.547891] ? check_usage_forwards+0x3d0/0x3d0 [ 37.552560] ? __lock_acquire+0x62f/0x4c20 [ 37.556773] ? __bfs+0x321/0x780 [ 37.560154] ? print_usage_bug+0xc0/0xc0 [ 37.564201] ? print_bfs_bug+0x80/0x80 [ 37.568072] ? print_usage_bug+0xc0/0xc0 [ 37.572164] ? __lock_acquire+0x62f/0x4c20 [ 37.576379] ? kasan_check_read+0x11/0x20 [ 37.580517] ? __lock_acquire+0x2aff/0x4c20 [ 37.584821] ? __lock_acquire+0x62f/0x4c20 [ 37.589031] ? mark_held_locks+0x130/0x130 [ 37.593261] ? mark_held_locks+0x130/0x130 [ 37.597498] ? mark_held_locks+0x130/0x130 [ 37.601722] ? print_usage_bug+0xc0/0xc0 [ 37.605761] ? lock_downgrade+0x900/0x900 [ 37.609906] ? print_usage_bug+0xc0/0xc0 [ 37.613946] ? print_usage_bug+0xc0/0xc0 [ 37.617997] ? __lock_acquire+0x62f/0x4c20 [ 37.622213] ? __lock_acquire+0x62f/0x4c20 [ 37.626431] ? mark_held_locks+0x130/0x130 [ 37.630645] ? mark_held_locks+0x130/0x130 [ 37.634865] ? is_bpf_text_address+0xac/0x170 [ 37.639346] ? find_held_lock+0x36/0x1c0 [ 37.643403] __handle_mm_fault+0x2ddc/0x5be0 [ 37.647795] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 37.652649] ? print_usage_bug+0xc0/0xc0 [ 37.656704] ? do_raw_spin_unlock+0xa7/0x330 [ 37.661125] ? trace_hardirqs_on+0x310/0x310 [ 37.665537] ? zap_class+0x640/0x640 [ 37.669226] ? zap_class+0x640/0x640 [ 37.672920] ? find_held_lock+0x36/0x1c0 [ 37.676994] ? handle_mm_fault+0x42a/0xc70 [ 37.681235] ? lock_downgrade+0x900/0x900 [ 37.685374] ? check_preemption_disabled+0x48/0x280 [ 37.690377] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 37.695299] ? kasan_check_read+0x11/0x20 [ 37.699425] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 37.704688] ? rcu_softirq_qs+0x20/0x20 [ 37.708642] ? trace_hardirqs_off_caller+0x310/0x310 [ 37.713725] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 37.719243] ? check_preemption_disabled+0x48/0x280 [ 37.724259] handle_mm_fault+0x54f/0xc70 [ 37.728317] ? __handle_mm_fault+0x5be0/0x5be0 [ 37.732900] ? find_vma+0x34/0x190 [ 37.736437] __do_page_fault+0x5e8/0xe60 [ 37.740741] do_page_fault+0xf2/0x7e0 [ 37.744562] ? vmalloc_sync_all+0x30/0x30 [ 37.748818] ? error_entry+0x76/0xd0 [ 37.752535] ? trace_hardirqs_off_caller+0xbb/0x310 [ 37.757533] ? find_held_lock+0x36/0x1c0 [ 37.761592] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.766413] ? trace_hardirqs_on_caller+0x310/0x310 [ 37.771414] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.776254] page_fault+0x1e/0x30 [ 37.779697] RIP: 0010:__clear_user+0x3b/0x70 [ 37.784101] Code: f9 be 13 00 00 00 48 c7 c7 a0 47 d8 88 e8 ad 28 d8 f9 0f 1f 00 48 89 d8 48 c1 eb 03 4c 89 e7 83 e0 07 48 89 d9 48 85 c9 74 0f <48> c7 07 00 00 00 00 48 83 c7 08 ff c9 75 f1 48 89 c1 85 c9 74 0a [ 37.803072] RSP: 0000:ffff8881c1c9fae8 EFLAGS: 00010202 [ 37.808433] RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008 [ 37.815686] RDX: 0000000000000000 RSI: ffffffff81b1b3d3 RDI: 00000000200001c0 [ 37.822943] RBP: ffff8881c1c9faf8 R08: 1ffff11038393f39 R09: 0000000000000008 [ 37.830242] R10: 0000000000000001 R11: ffff8881c1ca4240 R12: 00000000200001c0 [ 37.837492] R13: 000000001fffffc0 R14: 0000000000000001 R15: 00007ffffffff000 [ 37.844756] ? __might_fault+0x1a3/0x1e0 [ 37.848805] ? __clear_user+0x23/0x70 [ 37.852591] copy_fpstate_to_sigframe+0x297/0x530 [ 37.857419] get_sigframe.isra.11.constprop.12+0x559/0xd30 [ 37.863029] ? restore_sigcontext+0x780/0x780 [ 37.867526] ? force_sig_info+0x281/0x310 [ 37.871676] ? force_sig_fault+0x12c/0x1d0 [ 37.875898] do_signal+0xadc/0x21c0 [ 37.879546] ? setup_sigcontext+0x7d0/0x7d0 [ 37.883853] ? __bad_area_nosemaphore+0x2e1/0x3a0 [ 37.888678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 37.894199] ? exit_to_usermode_loop+0x8c/0x380 [ 37.898851] ? exit_to_usermode_loop+0x8c/0x380 [ 37.903505] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 37.908093] exit_to_usermode_loop+0x2e5/0x380 [ 37.912663] ? __bpf_trace_sys_exit+0x30/0x30 [ 37.917146] ? trace_hardirqs_off_caller+0xbb/0x310 [ 37.922153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.926980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.931808] prepare_exit_to_usermode+0x342/0x3b0 [ 37.936631] ? trace_event_raw_event_sys_enter+0x700/0x700 [ 37.942240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 37.947067] ? page_fault+0x8/0x30 [ 37.950589] retint_user+0x8/0x18 [ 37.954035] RIP: 0033: (null) [ 37.957903] Code: Bad RIP value. [ 37.961262] RSP: 002b:0000000020000388 EFLAGS: 00010217 [ 37.966604] RAX: 0000000000000000 RBX: 00007fff1b49ac00 RCX: 00000000004403b9 [ 37.973853] RDX: 0000000000000000 RSI: 0000000020000380 RDI: 0000000000000000 [ 37.981111] RBP: 0000000000000000 R08: 0000000000000000 R09: 00000000004009ae [ 37.988362] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000401c40 [ 37.995613] R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 [ 38.004050] Kernel Offset: disabled [ 38.007754] Rebooting in 86400 seconds..