Debian GNU/Linux 7 syzkaller ttyS0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program syzkaller login: [ 41.426149] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 41.434079] udevd cpuset=/ mems_allowed=0-1 [ 41.435843] CPU: 0 PID: 1524 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 41.437350] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 41.438485] Call Trace: [ 41.438840] dump_stack+0x194/0x257 [ 41.439331] ? arch_local_irq_restore+0x53/0x53 [ 41.439955] ? check_noncircular+0x20/0x20 [ 41.440530] dump_header+0x234/0xa0e [ 41.441040] ? pagefault_out_of_memory+0x152/0x152 [ 41.441705] ? lock_acquire+0x1d5/0x580 [ 41.442239] ? ___ratelimit+0x152/0x630 [ 41.442778] ? do_raw_spin_trylock+0x190/0x190 [ 41.443394] ? mark_held_locks+0xb2/0x100 [ 41.443954] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 41.444850] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.445509] ? trace_hardirqs_on+0xd/0x10 [ 41.446062] ? ___ratelimit+0x95/0x630 [ 41.446618] ? idr_get_free+0xff0/0xff0 [ 41.447137] ? lock_downgrade+0x990/0x990 [ 41.447681] ? cred_has_capability+0x1a0/0x3d0 [ 41.448751] oom_kill_process+0x86d/0x13d0 [ 41.449321] ? lock_release+0xd70/0xd70 [ 41.449943] ? oom_evaluate_task+0x480/0x480 [ 41.450580] ? security_capable_noaudit+0x8b/0xc0 [ 41.451257] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 41.451971] ? check_noncircular+0x20/0x20 [ 41.452602] ? has_capability+0x30/0x30 [ 41.453194] ? has_capability_noaudit+0x24/0x30 [ 41.453872] ? oom_badness+0xdf/0xb80 [ 41.454452] ? find_held_lock+0x39/0x1d0 [ 41.455053] ? lock_downgrade+0x990/0x990 [ 41.455664] ? out_of_memory+0x851/0x11d0 [ 41.456274] ? oom_reaper+0x4d0/0x4d0 [ 41.456833] ? lock_release+0xd70/0xd70 [ 41.457410] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 41.458149] ? oom_evaluate_task+0x284/0x480 [ 41.458881] out_of_memory+0x7dd/0x11d0 [ 41.459466] ? oom_killer_disable+0x310/0x310 [ 41.460117] ? mutex_trylock+0x23a/0x2d0 [ 41.460706] ? rcu_pm_notify+0xc0/0xc0 [ 41.461275] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 41.462086] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 41.462842] ? warn_alloc+0x2f0/0x2f0 [ 41.463394] ? do_sys_open+0x2e7/0x6d0 [ 41.464574] ? warn_alloc+0x2f0/0x2f0 [ 41.466090] ? save_stack_trace+0x16/0x20 [ 41.467371] ? check_noncircular+0x20/0x20 [ 41.468009] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 41.468768] ? find_held_lock+0x39/0x1d0 [ 41.474998] ? __lock_is_held+0xbc/0x140 [ 41.475616] ? check_same_owner+0x320/0x320 [ 41.476262] ? __might_sleep+0x95/0x190 [ 41.476844] __alloc_pages_nodemask+0x9f7/0xd80 [ 41.477528] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 41.478263] ? __alloc_pages_nodemask+0xae5/0xd80 [ 41.478984] ? find_held_lock+0x39/0x1d0 [ 41.479700] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 41.480464] ? cache_grow_begin+0x31b/0x400 [ 41.481152] cache_grow_begin+0x86/0x400 [ 41.498533] fallback_alloc+0x150/0x2b0 [ 41.498902] ____cache_alloc_node+0x1cf/0x1e0 [ 41.499290] kmem_cache_alloc+0x287/0x760 [ 41.499672] getname_flags+0xcb/0x580 [ 41.500025] getname+0x19/0x20 [ 41.500304] do_sys_open+0x2e7/0x6d0 [ 41.500624] ? filp_open+0x70/0x70 [ 41.500940] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 41.501353] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 41.501822] SyS_open+0x2d/0x40 [ 41.502161] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 41.502575] RIP: 0033:0x7f1d1aac8120 [ 41.502909] RSP: 002b:00007fff5b82ca58 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 41.503590] RAX: ffffffffffffffda RBX: 0000000000bf6950 RCX: 00007f1d1aac8120 [ 41.504228] RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007fff5b82cb30 [ 41.504857] RBP: 0000000000000086 R08: 0000000000000008 R09: 0000000000000001 [ 41.505502] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000a641d0 [ 41.506809] R13: 00000000000000d4 R14: 0000000000a69c90 R15: 0000000000a64030 [ 41.507569] Mem-Info: [ 41.508222] active_anon:4219 inactive_anon:41 isolated_anon:0 [ 41.508222] active_file:50 inactive_file:331 isolated_file:103 [ 41.508222] unevictable:0 dirty:0 writeback:0 unstable:0 [ 41.508222] slab_reclaimable:53340 slab_unreclaimable:328595 [ 41.508222] mapped:264 shmem:76 pagetables:324 bounce:0 [ 41.508222] free:17902 free_pcp:166 free_cma:0 executing program executing program executing program executing program executing program [ 41.511156] Node 0 active_anon:1304kB inactive_anon:108kB active_file:100kB inactive_file:32kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 41.535009] Node 1 active_anon:15572kB inactive_anon:56kB active_file:100kB inactive_file:1392kB unevictable:0kB isolated(anon):0kB isolated(file):412kB mapped:1196kB dirty:0kB writeback:0kB shmem:188kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 41.538459] Node 0 DMA free:4152kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 41.540888] lowmem_reserve[]: 0 886 886 886 [ 41.541357] Node 0 DMA32 free:36424kB min:36536kB low:45668kB high:54800kB active_anon:1304kB inactive_anon:108kB active_file:100kB inactive_file:40kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1760kB pagetables:384kB bounce:0kB free_pcp:280kB local_pcp:280kB free_cma:0kB executing program [ 41.582936] lowmem_reserve[]: 0 0 0 0 [ 41.583385] Node 1 DMA32 free:31032kB min:30404kB low:38004kB high:45604kB active_anon:15572kB inactive_anon:56kB active_file:228kB inactive_file:1028kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2464kB pagetables:912kB bounce:0kB free_pcp:352kB local_pcp:8kB free_cma:0kB [ 41.586136] lowmem_reserve[]: 0 0 0 0 [ 41.586518] Node 0 DMA: 4*4kB (U) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (U) 1*256kB (U) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4152kB [ 41.588037] Node 0 DMA32: 234*4kB (UM) 346*8kB (UME) 165*16kB (UME) 95*32kB (UME) 61*64kB (UME) 32*128kB (ME) 16*256kB (UM) 5*512kB (ME) 0*1024kB 2*2048kB (UE) 2*4096kB (M) = 36328kB [ 41.589714] Node 1 DMA32: 20*4kB (UM) 268*8kB (UMEH) 184*16kB (UMH) 83*32kB (UMEH) 43*64kB (UM) 20*128kB (ME) 21*256kB (UME) 3*512kB (UME) 2*1024kB (UE) 2*2048kB (M) 1*4096kB (M) = 30288kB [ 41.591463] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.592309] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.593154] 608 total pagecache pages [ 41.593527] 0 pages in swap cache [ 41.593863] Swap cache stats: add 0, delete 0, find 0/0 [ 41.594413] Free swap = 0kB [ 41.594703] Total swap = 0kB [ 41.594996] 524186 pages RAM [ 41.595316] 0 pages HighMem/MovableOnly [ 41.595700] 103968 pages reserved [ 41.596068] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 41.596927] [ 1524] 0 1524 7101 1881 19 3 0 -1000 udevd [ 41.605384] [ 2839] 0 2839 5414 212 15 3 0 -1000 udevd [ 41.606726] [ 2858] 0 2858 2493 574 8 3 0 0 dhclient [ 41.608557] [ 2988] 0 2988 14265 174 23 3 0 0 rsyslogd [ 41.610926] [ 3023] 0 3023 4725 49 15 3 0 0 cron [ 41.621883] [ 3049] 0 3049 12490 152 29 3 0 -1000 sshd [ 41.622742] [ 3074] 0 3074 3694 41 13 3 0 0 getty [ 41.623364] [ 3075] 0 3075 3694 39 13 3 0 0 getty [ 41.623964] [ 3076] 0 3076 3694 41 13 3 0 0 getty [ 41.624599] [ 3077] 0 3077 3694 39 13 3 0 0 getty [ 41.625230] [ 3078] 0 3078 3694 41 13 3 0 0 getty [ 41.625838] [ 3079] 0 3079 3694 41 13 3 0 0 getty [ 41.626477] [ 3080] 0 3080 3649 41 12 3 0 0 getty [ 41.627115] [ 3082] 0 3082 5414 212 15 3 0 -1000 udevd [ 41.627727] [ 3098] 0 3098 17820 197 38 4 0 0 sshd [ 41.628409] [ 3102] 0 3102 277 1 3 2 0 0 syzkaller492226 [ 41.629124] [ 3103] 0 3103 277 12 3 2 0 0 syzkaller492226 [ 41.629799] [ 3104] 0 3104 277 12 3 2 0 0 syzkaller492226 [ 41.630671] [ 3105] 0 3105 277 12 3 2 0 0 syzkaller492226 [ 41.631519] [ 3106] 0 3106 277 12 3 2 0 0 syzkaller492226 [ 41.632335] [ 3107] 0 3107 277 12 3 2 0 0 syzkaller492226 [ 41.633164] [ 3108] 0 3108 277 12 3 2 0 0 syzkaller492226 [ 41.633971] [ 3109] 0 3109 277 12 3 2 0 0 syzkaller492226 [ 41.634793] [ 3110] 0 3110 277 12 3 2 0 0 syzkaller492226 [ 41.635638] [ 3111] 0 3111 4372 57 4 2 0 0 syzkaller492226 [ 41.636475] [ 3112] 0 3112 4372 72 4 2 0 0 syzkaller492226 [ 41.637267] [ 3113] 0 3113 4372 44 4 2 0 0 syzkaller492226 [ 41.638102] [ 3114] 0 3114 4372 12 4 2 0 0 syzkaller492226 [ 41.638902] [ 3115] 0 3115 4372 524 4 2 0 0 syzkaller492226 [ 41.639751] [ 3116] 0 3116 4372 58 4 2 0 0 syzkaller492226 [ 41.654592] [ 3117] 0 3117 4372 12 4 2 0 0 syzkaller492226 [ 41.655419] [ 3118] 0 3118 4372 57 4 2 0 0 syzkaller492226 [ 41.656257] Out of memory: Kill process 2858 (dhclient) score 1 or sacrifice child [ 41.657079] Killed process 2858 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB executing program executing program executing program [ 42.811734] syzkaller492226: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 42.818577] syzkaller492226 cpuset=/ mems_allowed=0-1 [ 42.819415] CPU: 0 PID: 3116 Comm: syzkaller492226 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 42.821331] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 42.823210] Call Trace: [ 42.823472] dump_stack+0x194/0x257 [ 42.824980] ? arch_local_irq_restore+0x53/0x53 [ 42.825444] ? flush_work+0x621/0x930 [ 42.826990] warn_alloc+0x1c2/0x2f0 [ 42.827389] ? zone_watermark_ok_safe+0x430/0x430 [ 42.828957] ? mutex_unlock+0xd/0x10 [ 42.829326] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 42.830796] ? warn_alloc+0x2f0/0x2f0 [ 42.831206] ? SyS_ioctl+0x8f/0xc0 [ 42.831565] ? warn_alloc+0x2f0/0x2f0 [ 42.832978] ? save_stack_trace+0x16/0x20 [ 42.833340] ? check_noncircular+0x20/0x20 [ 42.835344] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 42.836565] ? find_held_lock+0x39/0x1d0 [ 42.836932] ? lock_downgrade+0x990/0x990 [ 42.838353] ? check_same_owner+0x320/0x320 [ 42.838742] ? rcu_note_context_switch+0x710/0x710 [ 42.839684] ? check_noncircular+0x20/0x20 [ 42.840708] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 42.842132] ? __might_sleep+0x95/0x190 [ 42.842575] __alloc_pages_nodemask+0x9f7/0xd80 [ 42.843031] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.844046] ? __alloc_pages_nodemask+0xae5/0xd80 [ 42.845538] ? find_held_lock+0x39/0x1d0 [ 42.846688] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 42.847218] ? cache_grow_begin+0x31b/0x400 [ 42.848691] cache_grow_begin+0x86/0x400 [ 42.849082] fallback_alloc+0x150/0x2b0 [ 42.850534] ____cache_alloc_node+0x1cf/0x1e0 [ 42.850958] kmem_cache_alloc_trace+0x27d/0x750 [ 42.851386] ? lock_downgrade+0x990/0x990 [ 42.852824] kvm_dev_ioctl+0x216/0x1840 [ 42.853216] ? lock_release+0xd70/0xd70 [ 42.853634] ? install_new_memslots+0x420/0x420 [ 42.854095] ? avc_has_extended_perms+0x7fa/0x12c0 [ 42.856632] ? unwind_get_return_address+0x61/0xa0 [ 42.857114] ? avc_ss_reset+0x110/0x110 [ 42.859677] ? putname+0xee/0x130 [ 42.860002] ? save_stack+0xa3/0xd0 [ 42.860362] ? save_stack_trace+0x16/0x20 [ 42.860768] ? save_stack+0x43/0xd0 [ 42.861103] ? kasan_slab_free+0x71/0xc0 [ 42.861472] ? kmem_cache_free+0x77/0x280 [ 42.862898] ? putname+0xee/0x130 [ 42.863223] ? do_sys_open+0x31b/0x6d0 [ 42.864675] ? __lock_is_held+0xbc/0x140 [ 42.865096] ? check_same_owner+0x320/0x320 [ 42.865460] ? rcu_note_context_switch+0x710/0x710 [ 42.865976] ? install_new_memslots+0x420/0x420 [ 42.866415] do_vfs_ioctl+0x1b1/0x1530 [ 42.868855] ? _cond_resched+0x14/0x30 [ 42.869254] ? ioctl_preallocate+0x2b0/0x2b0 [ 42.870556] ? selinux_capable+0x40/0x40 [ 42.870965] ? putname+0xf3/0x130 [ 42.871304] ? security_file_ioctl+0x7d/0xb0 [ 42.872735] ? security_file_ioctl+0x89/0xb0 [ 42.873159] SyS_ioctl+0x8f/0xc0 [ 42.873454] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 42.874691] RIP: 0033:0x435e19 [ 42.875026] RSP: 002b:00007ffc70ac4888 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 42.875689] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 42.876354] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000319 [ 42.877058] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 42.879743] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 42.880406] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 42.882257] Mem-Info: [ 42.884368] active_anon:3646 inactive_anon:41 isolated_anon:0 [ 42.884368] active_file:60 inactive_file:274 isolated_file:53 [ 42.884368] unevictable:0 dirty:14 writeback:0 unstable:0 [ 42.884368] slab_reclaimable:53400 slab_unreclaimable:328837 [ 42.884368] mapped:324 shmem:76 pagetables:315 bounce:0 [ 42.884368] free:17996 free_pcp:63 free_cma:0 [ 42.893166] Node 0 active_anon:1296kB inactive_anon:108kB active_file:40kB inactive_file:44kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 42.898130] Node 1 active_anon:13288kB inactive_anon:56kB active_file:272kB inactive_file:840kB unevictable:0kB isolated(anon):0kB isolated(file):84kB mapped:848kB dirty:56kB writeback:0kB shmem:188kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 42.904814] Node 0 DMA free:4152kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.909556] lowmem_reserve[]: 0 886 886 886 [ 42.910752] Node 0 DMA32 free:36500kB min:36536kB low:45668kB high:54800kB active_anon:1296kB inactive_anon:108kB active_file:44kB inactive_file:40kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1760kB pagetables:380kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 42.915917] lowmem_reserve[]: 0 0 0 0 [ 42.916783] Node 1 DMA32 free:31316kB min:30404kB low:38004kB high:45604kB active_anon:13288kB inactive_anon:56kB active_file:288kB inactive_file:1172kB unevictable:0kB writepending:56kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2432kB pagetables:880kB bounce:0kB free_pcp:704kB local_pcp:0kB free_cma:0kB [ 42.922564] lowmem_reserve[]: 0 0 0 0 [ 42.922885] Node 0 DMA: 4*4kB (U) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (U) 1*256kB (U) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4152kB [ 42.924758] Node 0 DMA32: 307*4kB (UM) 349*8kB (UM) 166*16kB (UME) 97*32kB (UME) 60*64kB (UM) 31*128kB (M) 16*256kB (ME) 5*512kB (ME) 0*1024kB 2*2048kB (UE) 2*4096kB (M) = 36532kB [ 42.927221] Node 1 DMA32: 63*4kB (UME) 274*8kB (UMH) 224*16kB (UMEH) 93*32kB (UMH) 53*64kB (UM) 22*128kB (UME) 20*256kB (ME) 4*512kB (UME) 1*1024kB (E) 2*2048kB (M) 1*4096kB (M) = 31596kB [ 42.929761] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.941374] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 42.941958] 484 total pagecache pages [ 42.942240] 0 pages in swap cache [ 42.943982] Swap cache stats: add 0, delete 0, find 0/0 [ 42.944365] Free swap = 0kB [ 42.944575] Total swap = 0kB [ 42.944783] 524186 pages RAM [ 42.944991] 0 pages HighMem/MovableOnly [ 42.945281] 103968 pages reserved executing program executing program executing program executing program executing program executing program [ 44.231365] syzkaller492226 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 44.232581] syzkaller492226 cpuset=/ mems_allowed=0-1 [ 44.233062] CPU: 0 PID: 3115 Comm: syzkaller492226 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 44.233794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 44.234524] Call Trace: [ 44.234756] dump_stack+0x194/0x257 [ 44.235075] ? arch_local_irq_restore+0x53/0x53 [ 44.235490] ? check_noncircular+0x20/0x20 [ 44.235874] dump_header+0x234/0xa0e [ 44.236207] ? pagefault_out_of_memory+0x152/0x152 [ 44.236658] ? lock_acquire+0x1d5/0x580 [ 44.237013] ? ___ratelimit+0x152/0x630 [ 44.237370] ? do_raw_spin_trylock+0x190/0x190 [ 44.237769] ? mark_held_locks+0xb2/0x100 [ 44.238111] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.238545] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.238959] ? trace_hardirqs_on+0xd/0x10 [ 44.239320] ? ___ratelimit+0x95/0x630 [ 44.239663] ? idr_get_free+0xff0/0xff0 [ 44.240001] ? lock_downgrade+0x990/0x990 [ 44.240297] ? cred_has_capability+0x1a0/0x3d0 [ 44.240637] oom_kill_process+0x86d/0x13d0 [ 44.241001] ? lock_release+0xd70/0xd70 [ 44.241348] ? oom_evaluate_task+0x480/0x480 [ 44.241726] ? security_capable_noaudit+0x8b/0xc0 [ 44.244463] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 44.244941] ? check_noncircular+0x20/0x20 [ 44.245628] ? has_capability+0x30/0x30 [ 44.245972] ? has_capability_noaudit+0x24/0x30 [ 44.246366] ? oom_badness+0xdf/0xb80 [ 44.246699] ? find_held_lock+0x39/0x1d0 [ 44.247045] ? lock_downgrade+0x990/0x990 [ 44.247411] ? out_of_memory+0x851/0x11d0 [ 44.247756] ? oom_reaper+0x4d0/0x4d0 [ 44.248078] ? lock_release+0xd70/0xd70 [ 44.248415] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 44.248842] ? oom_evaluate_task+0x284/0x480 [ 44.249213] out_of_memory+0x7dd/0x11d0 [ 44.249561] ? oom_killer_disable+0x310/0x310 [ 44.249942] ? mutex_trylock+0x23a/0x2d0 [ 44.250290] ? rcu_pm_notify+0xc0/0xc0 [ 44.250617] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.251077] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 44.251302] syzkaller492226: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 44.251317] syzkaller492226 cpuset=/ mems_allowed=0-1 [ 44.274544] ? warn_alloc+0x2f0/0x2f0 [ 44.276174] ? do_vfs_ioctl+0x1b1/0x1530 [ 44.277730] ? warn_alloc+0x2f0/0x2f0 [ 44.284798] ? save_stack_trace+0x16/0x20 [ 44.285959] ? check_noncircular+0x20/0x20 [ 44.288067] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 44.289027] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 44.289793] ? kvm_dev_ioctl+0xb4e/0x1840 [ 44.290455] ? do_vfs_ioctl+0x1b1/0x1530 [ 44.291176] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 44.292010] ? find_held_lock+0x39/0x1d0 [ 44.292652] ? check_same_owner+0x320/0x320 [ 44.294757] ? find_held_lock+0x39/0x1d0 [ 44.295402] ? __might_sleep+0x95/0x190 [ 44.296007] __alloc_pages_nodemask+0x9f7/0xd80 [ 44.298867] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 44.299609] ? __alloc_pages_nodemask+0xae5/0xd80 [ 44.300288] ? find_held_lock+0x39/0x1d0 [ 44.300870] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 44.301631] ? cache_grow_begin+0x31b/0x400 [ 44.304758] cache_grow_begin+0x86/0x400 [ 44.306430] fallback_alloc+0x150/0x2b0 [ 44.307357] ____cache_alloc_node+0x1cf/0x1e0 [ 44.310238] kmem_cache_alloc_trace+0x27d/0x750 [ 44.318714] ? __debugfs_create_file+0x2cc/0x3e0 [ 44.319426] kvm_uevent_notify_change.part.38+0x174/0x430 [ 44.320837] kvm_dev_ioctl+0x716/0x1840 [ 44.321407] ? install_new_memslots+0x420/0x420 [ 44.322652] ? avc_has_extended_perms+0x7fa/0x12c0 [ 44.323307] ? unwind_get_return_address+0x61/0xa0 [ 44.324622] ? avc_ss_reset+0x110/0x110 [ 44.325710] ? putname+0xee/0x130 [ 44.327078] ? save_stack+0xa3/0xd0 [ 44.328186] ? save_stack_trace+0x16/0x20 [ 44.330640] ? save_stack+0x43/0xd0 [ 44.331168] ? kmem_cache_free+0x77/0x280 [ 44.331758] ? putname+0xee/0x130 [ 44.332254] ? do_sys_open+0x31b/0x6d0 [ 44.337857] ? __lock_is_held+0xbc/0x140 [ 44.338536] ? check_same_owner+0x320/0x320 [ 44.339506] ? install_new_memslots+0x420/0x420 [ 44.340511] do_vfs_ioctl+0x1b1/0x1530 [ 44.341143] ? _cond_resched+0x14/0x30 [ 44.341695] ? ioctl_preallocate+0x2b0/0x2b0 [ 44.342949] ? selinux_capable+0x40/0x40 [ 44.343657] ? putname+0xf3/0x130 [ 44.345149] ? security_file_ioctl+0x7d/0xb0 [ 44.346668] ? security_file_ioctl+0x89/0xb0 [ 44.353768] SyS_ioctl+0x8f/0xc0 [ 44.354399] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 44.355122] RIP: 0033:0x435e19 [ 44.355628] RSP: 002b:00007ffc70ac4888 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 44.356808] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 44.358532] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000311 [ 44.360367] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 44.361611] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 44.362896] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 44.364184] CPU: 3 PID: 3111 Comm: syzkaller492226 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 44.365171] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 44.365973] Call Trace: [ 44.366209] dump_stack+0x194/0x257 [ 44.372871] Mem-Info: [ 44.372888] active_anon:3134 inactive_anon:41 isolated_anon:0 [ 44.372888] active_file:72 inactive_file:11 isolated_file:23 [ 44.372888] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.372888] slab_reclaimable:53459 slab_unreclaimable:329278 [ 44.372888] mapped:40 shmem:76 pagetables:315 bounce:0 [ 44.372888] free:18160 free_pcp:522 free_cma:0 [ 44.372899] Node 0 active_anon:1288kB inactive_anon:108kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.372909] Node 1 active_anon:11248kB inactive_anon:56kB active_file:240kB inactive_file:8kB unevictable:0kB isolated(anon):0kB isolated(file):92kB mapped:156kB dirty:0kB writeback:0kB shmem:188kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 44.372913] Node 0 DMA free:4152kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.372926] lowmem_reserve[]: 0 886 886 886 [ 44.372944] Node 0 DMA32 free:36416kB min:36536kB low:45668kB high:54800kB active_anon:1288kB inactive_anon:108kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1760kB pagetables:372kB bounce:0kB free_pcp:120kB local_pcp:120kB free_cma:0kB [ 44.372958] lowmem_reserve[]: 0 0 0 0 [ 44.372974] Node 1 DMA32 free:32072kB min:30404kB low:38004kB high:45604kB active_anon:11248kB inactive_anon:56kB active_file:416kB inactive_file:164kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2432kB pagetables:888kB bounce:0kB free_pcp:1968kB local_pcp:488kB free_cma:0kB [ 44.372986] lowmem_reserve[]: 0 0 0 0 [ 44.373003] Node 0 DMA: 4*4kB (U) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (U) 1*256kB (U) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4152kB [ 44.373091] Node 0 DMA32: 312*4kB (UME) 350*8kB (UME) 165*16kB (UM) 97*32kB (UME) 60*64kB (UM) 32*128kB (ME) 15*256kB (M) 5*512kB (ME) 0*1024kB 2*2048kB (UE) 2*4096kB (M) = 36416kB [ 44.373164] Node 1 DMA32: 38*4kB (UM) 237*8kB (UMEH) 212*16kB (UMEH) 94*32kB (UMH) 60*64kB (UME) 22*128kB (UM) 19*256kB (M) 3*512kB (ME) 2*1024kB (UE) 4*2048kB (UM) 0*4096kB = 31744kB [ 44.373235] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.373240] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.373243] 151 total pagecache pages [ 44.373250] 0 pages in swap cache [ 44.373254] Swap cache stats: add 0, delete 0, find 0/0 [ 44.373257] Free swap = 0kB [ 44.373259] Total swap = 0kB [ 44.373263] 524186 pages RAM [ 44.373265] 0 pages HighMem/MovableOnly [ 44.373268] 103968 pages reserved [ 44.373271] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 44.373294] [ 1524] 0 1524 7101 1881 19 3 0 -1000 udevd [ 44.373304] [ 2839] 0 2839 5414 212 15 3 0 -1000 udevd [ 44.373315] [ 2988] 0 2988 14265 173 23 3 0 0 rsyslogd [ 44.373325] [ 3023] 0 3023 4725 49 15 3 0 0 cron [ 44.373334] [ 3049] 0 3049 12490 152 29 3 0 -1000 sshd [ 44.373345] [ 3074] 0 3074 3694 41 13 3 0 0 getty [ 44.373356] [ 3075] 0 3075 3694 39 13 3 0 0 getty [ 44.373365] [ 3076] 0 3076 3694 41 13 3 0 0 getty [ 44.373376] [ 3077] 0 3077 3694 39 13 3 0 0 getty [ 44.373386] [ 3078] 0 3078 3694 41 13 3 0 0 getty [ 44.373396] [ 3079] 0 3079 3694 41 13 3 0 0 getty [ 44.373407] [ 3080] 0 3080 3649 41 12 3 0 0 getty [ 44.373417] [ 3082] 0 3082 5414 212 15 3 0 -1000 udevd [ 44.373427] [ 3098] 0 3098 17820 197 38 4 0 0 sshd [ 44.373438] [ 3102] 0 3102 277 1 3 2 0 0 syzkaller492226 [ 44.373448] [ 3103] 0 3103 277 12 3 2 0 0 syzkaller492226 [ 44.373459] [ 3104] 0 3104 277 12 3 2 0 0 syzkaller492226 [ 44.373469] [ 3105] 0 3105 277 12 3 2 0 0 syzkaller492226 [ 44.373479] [ 3106] 0 3106 277 12 3 2 0 0 syzkaller492226 [ 44.373490] [ 3107] 0 3107 277 12 3 2 0 0 syzkaller492226 [ 44.373501] [ 3108] 0 3108 277 12 3 2 0 0 syzkaller492226 [ 44.373511] [ 3109] 0 3109 277 12 3 2 0 0 syzkaller492226 [ 44.373521] [ 3110] 0 3110 277 12 3 2 0 0 syzkaller492226 [ 44.373532] [ 3111] 0 3111 4372 12 4 2 0 0 syzkaller492226 [ 44.373542] [ 3112] 0 3112 4372 12 4 2 0 0 syzkaller492226 [ 44.373552] [ 3113] 0 3113 4372 12 4 2 0 0 syzkaller492226 [ 44.373562] [ 3114] 0 3114 4372 12 4 2 0 0 syzkaller492226 [ 44.373570] [ 3115] 0 3115 4372 12 4 2 0 0 syzkaller492226 [ 44.373580] [ 3116] 0 3116 4372 12 4 2 0 0 syzkaller492226 [ 44.373588] [ 3117] 0 3117 4372 12 4 2 0 0 syzkaller492226 [ 44.373598] [ 3118] 0 3118 4372 12 4 2 0 0 syzkaller492226 [ 44.373602] Out of memory: Kill process 3098 (sshd) score 0 or sacrifice child [ 44.373647] Killed process 3102 (syzkaller492226) total-vm:1108kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 44.374021] oom_reaper: reaped process 3102 (syzkaller492226), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.416524] init invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 44.416537] init cpuset=/ mems_allowed=0-1 [ 44.500834] ? arch_local_irq_restore+0x53/0x53 [ 44.501275] ? isolate_lru_page+0x11d0/0x11d0 [ 44.501653] warn_alloc+0x1c2/0x2f0 [ 44.502002] ? zone_watermark_ok_safe+0x430/0x430 [ 44.502440] ? rcu_note_context_switch+0x710/0x710 [ 44.502856] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 44.503363] ? warn_alloc+0x2f0/0x2f0 [ 44.503682] ? SyS_ioctl+0x8f/0xc0 [ 44.504015] ? warn_alloc+0x2f0/0x2f0 [ 44.504379] ? save_stack_trace+0x16/0x20 [ 44.504733] ? check_noncircular+0x20/0x20 [ 44.505180] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 44.505650] ? find_held_lock+0x39/0x1d0 [ 44.506191] ? lock_downgrade+0x990/0x990 [ 44.506600] ? check_same_owner+0x320/0x320 [ 44.506964] ? rcu_note_context_switch+0x710/0x710 [ 44.507474] ? check_noncircular+0x20/0x20 [ 44.507833] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 44.508434] ? __might_sleep+0x95/0x190 [ 44.508785] __alloc_pages_nodemask+0x9f7/0xd80 [ 44.509309] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 44.509741] ? __alloc_pages_nodemask+0xae5/0xd80 [ 44.510225] ? find_held_lock+0x39/0x1d0 [ 44.510574] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 44.511157] ? cache_grow_begin+0x31b/0x400 [ 44.511547] cache_grow_begin+0x86/0x400 [ 44.511889] fallback_alloc+0x150/0x2b0 [ 44.512266] ____cache_alloc_node+0x1cf/0x1e0 [ 44.512639] kmem_cache_alloc_trace+0x27d/0x750 [ 44.513025] ? lock_downgrade+0x990/0x990 [ 44.513424] kvm_dev_ioctl+0x216/0x1840 [ 44.513813] ? lock_release+0xd70/0xd70 [ 44.514204] ? install_new_memslots+0x420/0x420 [ 44.514612] ? avc_has_extended_perms+0x7fa/0x12c0 [ 44.515022] ? unwind_get_return_address+0x61/0xa0 [ 44.515487] ? avc_ss_reset+0x110/0x110 [ 44.515827] ? putname+0xee/0x130 [ 44.516142] ? save_stack+0xa3/0xd0 [ 44.516471] ? save_stack_trace+0x16/0x20 [ 44.516838] ? save_stack+0x43/0xd0 [ 44.517163] ? kasan_slab_free+0x71/0xc0 [ 44.517519] ? kmem_cache_free+0x77/0x280 [ 44.517864] ? putname+0xee/0x130 [ 44.518182] ? do_sys_open+0x31b/0x6d0 [ 44.518534] ? __lock_is_held+0xbc/0x140 [ 44.518895] ? check_same_owner+0x320/0x320 [ 44.519304] ? rcu_note_context_switch+0x710/0x710 [ 44.520857] ? install_new_memslots+0x420/0x420 [ 44.521535] do_vfs_ioctl+0x1b1/0x1530 [ 44.521882] ? _cond_resched+0x14/0x30 [ 44.522225] ? ioctl_preallocate+0x2b0/0x2b0 [ 44.522619] ? selinux_capable+0x40/0x40 [ 44.523030] ? putname+0xf3/0x130 [ 44.523359] ? security_file_ioctl+0x7d/0xb0 [ 44.523724] ? security_file_ioctl+0x89/0xb0 [ 44.524113] SyS_ioctl+0x8f/0xc0 [ 44.524420] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 44.524828] RIP: 0033:0x435e19 [ 44.525105] RSP: 002b:00007ffc70ac4888 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 44.525766] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 0000000000435e19 [ 44.526429] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f1 [ 44.527048] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 44.527659] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 44.528279] R13: 0000000000402120 R14: 00000000004021b0 R15: 0000000000000000 [ 44.528993] Mem-Info: [ 44.537079] active_anon:3134 inactive_anon:41 isolated_anon:0 [ 44.537079] active_file:110 inactive_file:81 isolated_file:23 [ 44.537079] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.537079] slab_reclaimable:53460 slab_unreclaimable:329279 [ 44.537079] mapped:135 shmem:76 pagetables:315 bounce:0 [ 44.537079] free:18137 free_pcp:268 free_cma:0 [ 44.540149] Node 0 active_anon:1288kB inactive_anon:108kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.541648] CPU: 2 PID: 1 Comm: init Not tainted 4.13.0-rc6-next-20170823+ #7 [ 44.541652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 44.541656] Call Trace: [ 44.541669] dump_stack+0x194/0x257 [ 44.541680] ? arch_local_irq_restore+0x53/0x53 [ 44.541689] ? check_noncircular+0x20/0x20 [ 44.541703] dump_header+0x234/0xa0e [ 44.541722] ? pagefault_out_of_memory+0x152/0x152 [ 44.541735] ? lock_acquire+0x1d5/0x580 [ 44.541741] ? ___ratelimit+0x152/0x630 [ 44.541757] ? do_raw_spin_trylock+0x190/0x190 [ 44.541770] ? mark_held_locks+0xb2/0x100 [ 44.541779] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 44.541789] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.541798] ? trace_hardirqs_on+0xd/0x10 [ 44.541809] ? ___ratelimit+0x95/0x630 [ 44.541819] ? idr_get_free+0xff0/0xff0 [ 44.541825] ? lock_downgrade+0x990/0x990 [ 44.541835] ? cred_has_capability+0x1a0/0x3d0 [ 44.541851] oom_kill_process+0x86d/0x13d0 [ 44.541866] ? lock_release+0xd70/0xd70 [ 44.541885] ? oom_evaluate_task+0x480/0x480 [ 44.541897] ? security_capable_noaudit+0x8b/0xc0 [ 44.541912] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 44.541925] ? check_noncircular+0x20/0x20 [ 44.541931] ? has_capability+0x30/0x30 [ 44.541954] ? has_capability_noaudit+0x24/0x30 [ 44.541963] ? oom_badness+0xdf/0xb80 [ 44.541973] ? find_held_lock+0x39/0x1d0 [ 44.541986] ? lock_downgrade+0x990/0x990 [ 44.541997] ? out_of_memory+0x851/0x11d0 [ 44.542003] ? oom_reaper+0x4d0/0x4d0 [ 44.542011] ? lock_release+0xd70/0xd70 [ 44.542017] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 44.542027] ? oom_evaluate_task+0x284/0x480 [ 44.542036] out_of_memory+0x7dd/0x11d0 [ 44.542047] ? oom_killer_disable+0x310/0x310 [ 44.542050] ? mutex_trylock+0x23a/0x2d0 [ 44.542057] ? rcu_pm_notify+0xc0/0xc0 [ 44.542061] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 44.542074] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 44.542114] ? warn_alloc+0x2f0/0x2f0 [ 44.542122] ? vfs_statx+0xe9/0x190 [ 44.542135] ? warn_alloc+0x2f0/0x2f0 [ 44.542147] ? save_stack_trace+0x16/0x20 [ 44.542153] ? entry_SYSCALL_64_fastpath+0x1f/0xbe [ 44.542163] ? check_noncircular+0x20/0x20 [ 44.542174] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 44.542189] ? find_held_lock+0x39/0x1d0 [ 44.542218] ? check_same_owner+0x320/0x320 [ 44.542230] ? __might_sleep+0x95/0x190 [ 44.542238] __alloc_pages_nodemask+0x9f7/0xd80 [ 44.542247] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 44.542252] ? __alloc_pages_nodemask+0xae5/0xd80 [ 44.542257] ? find_held_lock+0x39/0x1d0 [ 44.542264] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 44.542285] ? cache_grow_begin+0x31b/0x400 [ 44.542294] cache_grow_begin+0x86/0x400 [ 44.542303] fallback_alloc+0x150/0x2b0 [ 44.542314] ____cache_alloc_node+0x1cf/0x1e0 [ 44.542322] kmem_cache_alloc+0x287/0x760 [ 44.542340] getname_flags+0xcb/0x580 [ 44.542347] ? cp_new_stat+0x73d/0xa40 [ 44.542359] user_path_at_empty+0x2d/0x50 [ 44.542370] vfs_statx+0xe9/0x190 [ 44.542376] ? vfs_statx_fd+0x90/0x90 [ 44.542384] ? vfs_statx_fd+0x6f/0x90 [ 44.542392] SYSC_newstat+0x87/0xf0 [ 44.542396] ? cp_new_stat+0xa40/0xa40 [ 44.542400] ? check_same_owner+0x320/0x320 [ 44.542411] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 44.542418] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.542424] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 44.542431] SyS_newstat+0x1d/0x30 [ 44.542436] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 44.542440] RIP: 0033:0x7f906642dc65 [ 44.542443] RSP: 002b:00007fff09e01628 EFLAGS: 00000246 ORIG_RAX: 0000000000000004 [ 44.542448] RAX: ffffffffffffffda RBX: 00007fff09e01860 RCX: 00007f906642dc65 [ 44.542451] RDX: 00007fff09e01860 RSI: 00007fff09e01860 RDI: 0000000000407545 [ 44.542454] RBP: 0000000000000086 R08: 00007fff09e01a00 R09: 0000000000000001 [ 44.542456] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 44.542459] R13: 00007fff09e01d60 R14: 0000000000000000 R15: 0000000000000000 [ 44.542490] Mem-Info: [ 44.542500] active_anon:3134 inactive_anon:41 isolated_anon:0 [ 44.542500] active_file:103 inactive_file:52 isolated_file:23 [ 44.542500] unevictable:0 dirty:0 writeback:0 unstable:0 [ 44.542500] slab_reclaimable:53460 slab_unreclaimable:329279 [ 44.542500] mapped:85 shmem:76 pagetables:315 bounce:0 [ 44.542500] free:18263 free_pcp:266 free_cma:0 [ 44.542506] Node 0 active_anon:1288kB inactive_anon:108kB active_file:48kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:116kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 44.542512] Node 1 active_anon:11248kB inactive_anon:56kB active_file:364kB inactive_file:172kB unevictable:0kB isolated(anon):0kB isolated(file):92kB mapped:336kB dirty:0kB writeback:0kB shmem:188kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 44.542514] Node 0 DMA free:4152kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.542522] lowmem_reserve[]: 0 886 886 886 [ 44.542533] Node 0 DMA32 free:36516kB min:36536kB low:45668kB high:54800kB active_anon:1288kB inactive_anon:108kB active_file:48kB inactive_file:36kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1760kB pagetables:372kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.542541] lowmem_reserve[]: 0 0 0 0 [ 44.542552] Node 1 DMA32 free:32384kB min:30404kB low:38004kB high:45604kB active_anon:11248kB inactive_anon:56kB active_file:484kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2432kB pagetables:888kB bounce:0kB free_pcp:1068kB local_pcp:324kB free_cma:0kB [ 44.542560] lowmem_reserve[]: 0 0 0 0 [ 44.542570] Node 0 DMA: 4*4kB (U) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (U) 1*256kB (U) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4152kB [ 44.542616] Node 0 DMA32: 312*4kB (UME) 349*8kB (UM) 165*16kB (UM) 97*32kB (UME) 60*64kB (UM) 31*128kB (M) 16*256kB (ME) 5*512kB (ME) 0*1024kB 2*2048kB (UE) 2*4096kB (M) = 36536kB [ 44.542663] Node 1 DMA32: 99*4kB (UME) 245*8kB (UMEH) 213*16kB (UMEH) 96*32kB (UMEH) 60*64kB (UME) 22*128kB (UM) 19*256kB (M) 3*512kB (ME) 2*1024kB (UE) 4*2048kB (UM) 0*4096kB = 32132kB [ 44.542711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.542714] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.542716] 254 total pagecache pages [ 44.542721] 0 pages in swap cache [ 44.542724] Swap cache stats: add 0, delete 0, find 0/0 [ 44.542726] Free swap = 0kB [ 44.542728] Total swap = 0kB [ 44.542730] 524186 pages RAM [ 44.542732] 0 pages HighMem/MovableOnly [ 44.542734] 103968 pages reserved [ 44.542737] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 44.542755] [ 1524] 0 1524 7101 1881 19 3 0 -1000 udevd [ 44.542762] [ 2839] 0 2839 5414 212 15 3 0 -1000 udevd [ 44.542769] [ 2988] 0 2988 14265 178 23 3 0 0 rsyslogd [ 44.542775] [ 3023] 0 3023 4725 49 15 3 0 0 cron [ 44.542783] [ 3049] 0 3049 12490 152 29 3 0 -1000 sshd [ 44.542794] [ 3074] 0 3074 3694 41 13 3 0 0 getty [ 44.542804] [ 3075] 0 3075 3694 39 13 3 0 0 getty [ 44.542814] [ 3076] 0 3076 3694 41 13 3 0 0 getty [ 44.542825] [ 3077] 0 3077 3694 39 13 3 0 0 getty [ 44.542836] [ 3078] 0 3078 3694 41 13 3 0 0 getty [ 44.542847] [ 3079] 0 3079 3694 41 13 3 0 0 getty [ 44.542857] [ 3080] 0 3080 3649 41 12 3 0 0 getty [ 44.542864] [ 3082] 0 3082 5414 212 15 3 0 -1000 udevd [ 44.542871] [ 3098] 0 3098 17820 197 38 4 0 0 sshd [ 44.542878] [ 3103] 0 3103 277 12 3 2 0 0 syzkaller492226 [ 44.542884] [ 3104] 0 3104 277 12 3 2 0 0 syzkaller492226 [ 44.542891] [ 3105] 0 3105 277 12 3 2 0 0 syzkaller492226 [ 44.542897] [ 3106] 0 3106 277 12 3 2 0 0 syzkaller492226 [ 44.542904] [ 3107] 0 3107 277 12 3 2 0 0 syzkaller492226 [ 44.542910] [ 3108] 0 3108 277 12 3 2 0 0 syzkaller492226 [ 44.542917] [ 3109] 0 3109 277 12 3 2 0 0 syzkaller492226 [ 44.542923] [ 3110] 0 3110 277 12 3 2 0 0 syzkaller492226 [ 44.542930] [ 3111] 0 3111 4372 12 4 2 0 0 syzkaller492226 [ 44.542937] [ 3112] 0 3112 4372 12 4 2 0 0 syzkaller492226 [ 44.542943] [ 3113] 0 3113 4372 12 4 2 0 0 syzkaller492226 [ 44.542952] [ 3114] 0 3114 4372 12 4 2 0 0 syzkaller492226 [ 44.542962] [ 3115] 0 3115 4372 12 4 2 0 0 syzkaller492226 [ 44.542973] [ 3116] 0 3116 4372 12 4 2 0 0 syzkaller492226 [ 44.542982] [ 3117] 0 3117 4372 12 4 2 0 0 syzkaller492226 Connection to localhost closed by remote host. [ 44.542991] [ 3118] 0 3118 4372 12 4 2 0 0 syzkaller492226 [ 44.542997] Out of memory: Kill process 3098 (sshd) score 0 or sacrifice child [ 44.543035] Killed process 3098 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 44.547235] oom_reaper: reaped process 3098 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 44.771342] sshd (3098) used greatest stack depth: 12272 bytes left [ 44.778886] Node 1 active_anon:10444kB inactive_anon:52kB active_file:120kB inactive_file:888kB unevictable:0kB isolated(anon):0kB isolated(file):16kB mapped:688kB dirty:0kB writeback:0kB shmem:184kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 44.781572] Node 0 DMA free:4152kB min:640kB low:800kB high:960kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 44.784191] lowmem_reserve[]: 0 886 886 886 [ 44.784647] Node 0 DMA32 free:36768kB min:36536kB low:45668kB high:54800kB active_anon:1288kB inactive_anon:108kB active_file:40kB inactive_file:44kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1760kB pagetables:372kB bounce:0kB free_pcp:420kB local_pcp:232kB free_cma:0kB [ 44.787498] lowmem_reserve[]: 0 0 0 0 [ 44.787976] Node 1 DMA32 free:31696kB min:30404kB low:38004kB high:45604kB active_anon:10444kB inactive_anon:52kB active_file:120kB inactive_file:692kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2368kB pagetables:724kB bounce:0kB free_pcp:1180kB local_pcp:8kB free_cma:0kB [ 44.790902] lowmem_reserve[]: 0 0 0 0 [ 44.791355] Node 0 DMA: 4*4kB (U) 1*8kB (U) 0*16kB 1*32kB (E) 2*64kB (UE) 1*128kB (U) 1*256kB (U) 1*512kB (E) 1*1024kB (U) 1*2048kB (M) 0*4096kB = 4152kB [ 44.793187] Node 0 DMA32: 312*4kB (UME) 373*8kB (UM) 167*16kB (UM) 97*32kB (UME) 60*64kB (UM) 31*128kB (M) 16*256kB (ME) 5*512kB (ME) 0*1024kB 2*2048kB (UE) 2*4096kB (M) = 36760kB [ 44.795783] Node 1 DMA32: 53*4kB (UME) 284*8kB (UMH) 214*16kB (UMEH) 98*32kB (UMEH) 60*64kB (UME) 24*128kB (UME) 21*256kB (UME) 2*512kB (M) 1*1024kB (E) 4*2048kB (UM) 0*4096kB = 31572kB [ 44.799952] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.801303] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 44.802697] 342 total pagecache pages [ 44.803362] 0 pages in swap cache [ 44.803901] Swap cache stats: add 0, delete 0, find 0/0 [ 44.804802] Free swap = 0kB [ 44.805294] Total swap = 0kB [ 44.805763] 524186 pages RAM [ 44.806253] 0 pages HighMem/MovableOnly [ 44.806866] 103968 pages reserved