Warning: Permanently added '10.128.0.54' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.008856] ------------[ cut here ]------------ [ 49.018532] memory commitment underflow [ 49.018632] WARNING: CPU: 0 PID: 5999 at mm/util.c:645 __vm_enough_memory+0x734/0x960 [ 49.030676] Kernel panic - not syncing: panic_on_warn set ... [ 49.036745] CPU: 0 PID: 5999 Comm: syz-executor023 Not tainted 4.20.0-rc1-next-20181109+ #110 [ 49.045410] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 49.054782] Call Trace: executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 49.057389] dump_stack+0x244/0x39d [ 49.061037] ? dump_stack_print_info.cold.1+0x20/0x20 [ 49.066253] panic+0x2ad/0x55c [ 49.069458] ? add_taint.cold.5+0x16/0x16 [ 49.073624] ? __warn.cold.8+0x5/0x45 [ 49.077444] ? __warn+0xe8/0x1d0 [ 49.080833] ? __vm_enough_memory+0x734/0x960 [ 49.085342] __warn.cold.8+0x20/0x45 [ 49.089066] ? rcu_softirq_qs+0x20/0x20 [ 49.093067] ? __vm_enough_memory+0x734/0x960 [ 49.097575] report_bug+0x254/0x2d0 [ 49.101218] do_error_trap+0x11b/0x200 [ 49.105126] do_invalid_op+0x36/0x40 [ 49.108866] ? __vm_enough_memory+0x734/0x960 [ 49.113380] invalid_op+0x14/0x20 [ 49.116856] RIP: 0010:__vm_enough_memory+0x734/0x960 [ 49.121971] Code: 64 d3 ff 0f b6 85 28 fe ff ff 84 c0 0f 85 4e fa ff ff e8 7f 63 d3 ff 48 c7 c7 20 a0 32 88 c6 05 44 4d 65 08 01 e8 ec 96 9c ff <0f> 0b 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 0f b6 14 [ 49.140876] RSP: 0018:ffff8801c2356ca0 EFLAGS: 00010282 [ 49.146249] RAX: 0000000000000000 RBX: 1ffff1003846ad98 RCX: 0000000000000000 [ 49.153521] RDX: 0000000000000000 RSI: ffffffff8165ba15 RDI: 0000000000000006 [ 49.160798] RBP: ffff8801c2356e88 R08: ffff8801c1d0a600 R09: 0000000000000006 [ 49.168099] R10: 0000000000000000 R11: ffff8801c1d0a600 R12: ffff8801c2356e60 [ 49.175379] R13: 0000000000000c60 R14: ffffffff8961d580 R15: 0000000000000001 [ 49.182676] ? vprintk_func+0x85/0x181 [ 49.186587] ? vm_commit_limit+0xd0/0xd0 [ 49.190667] ? copy_process+0x4414/0x8790 [ 49.194850] ? lock_downgrade+0x900/0x900 [ 49.199016] ? lock_release+0xa10/0xa10 [ 49.203006] ? perf_trace_sched_process_exec+0x860/0x860 [ 49.208494] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 49.213522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.219065] ? cap_capable+0x1f9/0x260 [ 49.222973] security_vm_enough_memory_mm+0x9d/0xc0 [ 49.228001] copy_process+0x4147/0x8790 [ 49.232035] ? __cleanup_sighand+0x70/0x70 [ 49.236287] ? mark_held_locks+0x130/0x130 [ 49.240545] ? graph_lock+0x270/0x270 [ 49.244353] ? mark_held_locks+0x130/0x130 [ 49.248598] ? find_held_lock+0x36/0x1c0 [ 49.252680] ? graph_lock+0x270/0x270 [ 49.256490] ? lock_acquire+0x1ed/0x520 [ 49.260478] ? find_held_lock+0x36/0x1c0 [ 49.264567] ? do_wp_page+0x127c/0x2920 [ 49.268558] ? lock_downgrade+0x900/0x900 [ 49.272715] ? wake_up_page_bit+0x6f0/0x6f0 [ 49.277053] ? kasan_check_read+0x11/0x20 [ 49.281211] ? do_raw_spin_unlock+0xa7/0x330 [ 49.285623] ? do_raw_spin_trylock+0x270/0x270 [ 49.290214] ? pgd_free+0x380/0x380 [ 49.293876] ? _raw_spin_unlock+0x2c/0x50 [ 49.298035] ? do_wp_page+0x528/0x2920 [ 49.301940] ? finish_mkwrite_fault+0x650/0x650 [ 49.306628] ? filemap_map_pages+0xd6b/0x1a20 [ 49.311137] ? lock_downgrade+0x900/0x900 [ 49.315297] ? check_preemption_disabled+0x48/0x280 [ 49.320329] ? kasan_check_read+0x11/0x20 [ 49.324507] ? mark_held_locks+0x130/0x130 [ 49.328756] ? find_get_entries_tag+0x1400/0x1400 [ 49.333622] ? save_stack+0xa9/0xd0 [ 49.337266] ? save_stack+0x43/0xd0 [ 49.340909] ? kasan_kmalloc+0xc7/0xe0 [ 49.344824] ? kasan_slab_alloc+0x12/0x20 [ 49.348977] ? kmem_cache_alloc+0x12e/0x730 [ 49.353304] ? ptlock_alloc+0x20/0x80 [ 49.357102] ? pte_alloc_one+0x6b/0x1a0 [ 49.361078] ? __handle_mm_fault+0x4afe/0x5be0 [ 49.365687] ? __do_page_fault+0x5d6/0xe40 [ 49.369921] ? do_page_fault+0xed/0x7d1 [ 49.373904] ? print_usage_bug+0xc0/0xc0 [ 49.377980] ? print_usage_bug+0xc0/0xc0 [ 49.382042] ? graph_lock+0x270/0x270 [ 49.385890] ? __lock_acquire+0x62f/0x4c20 [ 49.390174] ? lock_acquire+0x1ed/0x520 [ 49.394149] ? __handle_mm_fault+0x1fa9/0x5be0 [ 49.398770] ? kasan_check_write+0x14/0x20 [ 49.403008] ? do_raw_spin_lock+0x14f/0x350 [ 49.407334] ? rwlock_bug.part.2+0x90/0x90 [ 49.411613] ? do_raw_spin_trylock+0x270/0x270 [ 49.416220] ? lockdep_init_map+0x9/0x10 [ 49.420292] ? __handle_mm_fault+0xa57/0x5be0 [ 49.424794] ? vmf_insert_mixed_mkwrite+0x40/0x40 [ 49.429681] ? __lock_acquire+0x62f/0x4c20 [ 49.433924] ? graph_lock+0x270/0x270 [ 49.437789] ? graph_lock+0x270/0x270 [ 49.441646] ? graph_lock+0x270/0x270 [ 49.445449] ? mark_held_locks+0x130/0x130 [ 49.449702] ? find_held_lock+0x36/0x1c0 [ 49.453790] _do_fork+0x1cb/0x11c0 [ 49.457345] ? fork_idle+0x1d0/0x1d0 [ 49.461074] ? kasan_check_read+0x11/0x20 [ 49.465224] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 49.470510] ? rcu_read_unlock_special+0x370/0x370 [ 49.475448] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 49.481007] ? check_preemption_disabled+0x48/0x280 [ 49.486049] ? kasan_check_write+0x14/0x20 [ 49.490289] ? up_read+0x225/0x2c0 [ 49.493900] ? up_read_non_owner+0x100/0x100 [ 49.498341] ? do_syscall_64+0x9a/0x820 [ 49.502327] ? do_syscall_64+0x9a/0x820 [ 49.506322] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 49.510929] ? trace_hardirqs_on+0xbd/0x310 [ 49.515256] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.520624] ? trace_hardirqs_off_caller+0x300/0x300 [ 49.525756] __x64_sys_clone+0xbf/0x150 [ 49.529746] do_syscall_64+0x1b9/0x820 [ 49.533658] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 49.539028] ? syscall_return_slowpath+0x5e0/0x5e0 [ 49.543967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.548830] ? trace_hardirqs_on_caller+0x310/0x310 [ 49.553858] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 49.558887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 49.564430] ? prepare_exit_to_usermode+0x291/0x3b0 [ 49.569454] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 49.574308] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 49.579532] RIP: 0033:0x43f83a [ 49.582739] Code: f7 d8 64 89 04 25 d4 02 00 00 64 4c 8b 0c 25 10 00 00 00 31 d2 4d 8d 91 d0 02 00 00 31 f6 bf 11 00 20 01 b8 38 00 00 00 0f 05 <48> 3d 00 f0 ff ff 0f 87 f5 00 00 00 85 c0 41 89 c5 0f 85 fc 00 00 [ 49.601650] RSP: 002b:00007ffff54f27b0 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 49.609359] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043f83a [ 49.616630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 49.623924] RBP: 00007ffff54f27d0 R08: 000000000000176f R09: 0000000000c0e880 [ 49.631223] R10: 0000000000c0eb50 R11: 0000000000000246 R12: 000000000000176f [ 49.638486] R13: 0000000000401da0 R14: 0000000000000000 R15: 0000000000000000 [ 49.646920] Kernel Offset: disabled [ 49.650595] Rebooting in 86400 seconds..