executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 68.114519] hrtimer: interrupt took 12403884 ns executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 71.931674] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 71.933336] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 71.934137] CPU: 0 PID: 3078 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 71.936800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 71.937870] Call Trace: [ 71.938231] dump_stack+0x194/0x257 [ 71.938718] ? arch_local_irq_restore+0x53/0x53 [ 71.939340] ? flush_work+0x621/0x930 [ 71.939877] warn_alloc+0x1c2/0x2f0 [ 71.940360] ? zone_watermark_ok_safe+0x430/0x430 [ 71.941013] ? mutex_unlock+0xd/0x10 [ 71.941525] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 71.942221] ? warn_alloc+0x2f0/0x2f0 [ 71.942723] ? SyS_ioctl+0x8f/0xc0 [ 71.943194] ? warn_alloc+0x2f0/0x2f0 [ 71.943697] ? save_stack_trace+0x16/0x20 [ 71.944255] ? check_noncircular+0x20/0x20 [ 71.944825] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 71.946592] ? find_held_lock+0x39/0x1d0 [ 71.947184] ? lock_downgrade+0x990/0x990 [ 71.947794] ? check_same_owner+0x320/0x320 [ 71.948403] ? rcu_note_context_switch+0x710/0x710 [ 71.949117] ? check_noncircular+0x20/0x20 [ 71.949706] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 71.950655] ? __might_sleep+0x95/0x190 [ 71.951286] __alloc_pages_nodemask+0x9f7/0xd80 [ 71.952158] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 71.953084] ? __alloc_pages_nodemask+0xae5/0xd80 [ 71.957949] ? find_held_lock+0x39/0x1d0 [ 71.958562] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 71.959288] ? cache_grow_begin+0x31b/0x400 [ 71.959902] cache_grow_begin+0x86/0x400 [ 71.960477] fallback_alloc+0x150/0x2b0 [ 71.961048] ____cache_alloc_node+0x1cf/0x1e0 [ 71.961686] kmem_cache_alloc_trace+0x27d/0x750 [ 71.962343] ? lock_downgrade+0x990/0x990 [ 71.962942] kvm_dev_ioctl+0x216/0x1840 [ 71.963514] ? lock_release+0xd70/0xd70 [ 71.964073] ? install_new_memslots+0x420/0x420 [ 71.964740] ? avc_has_extended_perms+0x7fa/0x12c0 [ 71.965437] ? unwind_get_return_address+0x61/0xa0 [ 71.966144] ? avc_ss_reset+0x110/0x110 [ 71.966710] ? putname+0xee/0x130 [ 71.967263] ? save_stack+0xa3/0xd0 [ 71.967937] ? save_stack_trace+0x16/0x20 [ 71.968523] ? save_stack+0x43/0xd0 [ 71.969055] ? kasan_slab_free+0x71/0xc0 [ 71.969643] ? kmem_cache_free+0x77/0x280 [ 71.970247] ? putname+0xee/0x130 [ 71.971223] ? do_sys_open+0x31b/0x6d0 [ 71.971840] ? __lock_is_held+0xbc/0x140 [ 71.972467] ? check_same_owner+0x320/0x320 [ 71.973099] ? rcu_note_context_switch+0x710/0x710 [ 71.973824] ? install_new_memslots+0x420/0x420 [ 71.974512] do_vfs_ioctl+0x1b1/0x1530 [ 71.975076] ? _cond_resched+0x14/0x30 [ 71.975647] ? ioctl_preallocate+0x2b0/0x2b0 [ 71.976291] ? selinux_capable+0x40/0x40 [ 71.976897] ? putname+0xf3/0x130 [ 71.977409] ? security_file_ioctl+0x7d/0xb0 [ 71.978035] ? security_file_ioctl+0x89/0xb0 [ 71.978659] SyS_ioctl+0x8f/0xc0 [ 71.979140] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 71.979808] RIP: 0033:0x435369 [ 71.980261] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 71.981346] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 71.982359] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002d7 [ 71.983374] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 71.984386] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 71.985398] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 71.994395] Mem-Info: [ 72.007688] active_anon:3658 inactive_anon:41 isolated_anon:0 [ 72.007688] active_file:46 inactive_file:66 isolated_file:25 [ 72.007688] unevictable:0 dirty:0 writeback:0 unstable:0 [ 72.007688] slab_reclaimable:53513 slab_unreclaimable:329548 [ 72.007688] mapped:27 shmem:76 pagetables:311 bounce:0 [ 72.007688] free:17587 free_pcp:152 free_cma:0 [ 72.016753] Node 0 active_anon:7888kB inactive_anon:76kB active_file:64kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 72.018971] Node 1 active_anon:6744kB inactive_anon:88kB active_file:152kB inactive_file:124kB unevictable:0kB isolated(anon):0kB isolated(file):100kB mapped:104kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 72.021271] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.038366] lowmem_reserve[]: 0 886 886 886 [ 72.040068] Node 0 DMA32 free:36252kB min:36536kB low:45668kB high:54800kB active_anon:7848kB inactive_anon:76kB active_file:64kB inactive_file:68kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:532kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.042474] lowmem_reserve[]: 0 0 0 0 [ 72.042824] Node 1 DMA32 free:30212kB min:30404kB low:38004kB high:45604kB active_anon:6744kB inactive_anon:88kB active_file:116kB inactive_file:20kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2240kB pagetables:708kB bounce:0kB free_pcp:4kB local_pcp:0kB free_cma:0kB [ 72.045213] lowmem_reserve[]: 0 0 0 0 [ 72.045563] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 72.046956] Node 0 DMA32: 319*4kB (ME) 216*8kB (UME) 142*16kB (UME) 144*32kB (UME) 58*64kB (UME) 15*128kB (M) 7*256kB (M) 3*512kB (UM) 1*1024kB (U) 4*2048kB (ME) 2*4096kB (M) = 36252kB [ 72.048544] Node 1 DMA32: 239*4kB (UME) 614*8kB (UM) 664*16kB (UME) 237*32kB (UM) 102*64kB (UME) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30604kB [ 72.049868] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.050621] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.051399] 180 total pagecache pages [ 72.051745] 0 pages in swap cache [ 72.052063] Swap cache stats: add 0, delete 0, find 0/0 [ 72.054701] Free swap = 0kB [ 72.055609] Total swap = 0kB [ 72.056595] 524186 pages RAM [ 72.056957] 0 pages HighMem/MovableOnly [ 72.057317] 103968 pages reserved [ 72.367206] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 72.369394] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 72.370381] CPU: 1 PID: 3076 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 72.371955] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 72.373697] Call Trace: [ 72.374189] dump_stack+0x194/0x257 [ 72.374932] ? arch_local_irq_restore+0x53/0x53 [ 72.375817] ? flush_work+0x621/0x930 [ 72.376527] warn_alloc+0x1c2/0x2f0 [ 72.377181] ? zone_watermark_ok_safe+0x430/0x430 [ 72.378044] ? mutex_unlock+0xd/0x10 [ 72.378829] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 72.379761] ? warn_alloc+0x2f0/0x2f0 [ 72.380448] ? SyS_ioctl+0x8f/0xc0 [ 72.381099] ? warn_alloc+0x2f0/0x2f0 [ 72.381797] ? save_stack_trace+0x16/0x20 [ 72.382573] ? check_noncircular+0x20/0x20 [ 72.383456] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 72.384396] ? find_held_lock+0x39/0x1d0 [ 72.385138] ? lock_downgrade+0x990/0x990 [ 72.385917] ? check_same_owner+0x320/0x320 [ 72.386832] ? rcu_note_context_switch+0x710/0x710 [ 72.387725] ? check_noncircular+0x20/0x20 [ 72.388484] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 72.389681] ? __might_sleep+0x95/0x190 [ 72.390422] __alloc_pages_nodemask+0x9f7/0xd80 [ 72.391369] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 72.392268] ? __alloc_pages_nodemask+0xae5/0xd80 [ 72.393143] ? find_held_lock+0x39/0x1d0 [ 72.394843] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 72.395768] ? cache_grow_begin+0x31b/0x400 [ 72.396550] cache_grow_begin+0x86/0x400 [ 72.397284] fallback_alloc+0x150/0x2b0 [ 72.397990] ____cache_alloc_node+0x1cf/0x1e0 [ 72.398914] kmem_cache_alloc_trace+0x27d/0x750 [ 72.399752] ? lock_downgrade+0x990/0x990 [ 72.400513] kvm_dev_ioctl+0x216/0x1840 [ 72.401232] ? lock_release+0xd70/0xd70 [ 72.401950] ? install_new_memslots+0x420/0x420 [ 72.402910] ? avc_has_extended_perms+0x7fa/0x12c0 [ 72.403793] ? unwind_get_return_address+0x61/0xa0 [ 72.404693] ? avc_ss_reset+0x110/0x110 [ 72.405409] ? putname+0xee/0x130 [ 72.406033] ? save_stack+0xa3/0xd0 [ 72.406691] ? save_stack_trace+0x16/0x20 [ 72.407815] ? save_stack+0x43/0xd0 [ 72.408480] ? kasan_slab_free+0x71/0xc0 [ 72.409206] ? kmem_cache_free+0x77/0x280 [ 72.409957] ? putname+0xee/0x130 [ 72.410589] ? do_sys_open+0x31b/0x6d0 [ 72.411394] ? __lock_is_held+0xbc/0x140 [ 72.412156] ? check_same_owner+0x320/0x320 [ 72.412940] ? rcu_note_context_switch+0x710/0x710 [ 72.413837] ? install_new_memslots+0x420/0x420 [ 72.414686] do_vfs_ioctl+0x1b1/0x1530 [ 72.415480] ? _cond_resched+0x14/0x30 [ 72.416911] ? ioctl_preallocate+0x2b0/0x2b0 [ 72.417713] ? selinux_capable+0x40/0x40 [ 72.418464] ? putname+0xf3/0x130 [ 72.419218] ? security_file_ioctl+0x7d/0xb0 [ 72.420005] ? security_file_ioctl+0x89/0xb0 [ 72.420795] SyS_ioctl+0x8f/0xc0 [ 72.421416] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 72.422276] RIP: 0033:0x435369 [ 72.422958] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 72.424336] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 72.425634] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000032f [ 72.426364] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 72.427091] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 72.427738] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 72.477514] syzkaller964221 invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 72.478714] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 72.480873] CPU: 2 PID: 3073 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 72.481654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 72.482469] Call Trace: [ 72.482747] dump_stack+0x194/0x257 [ 72.483087] ? arch_local_irq_restore+0x53/0x53 [ 72.483527] ? check_noncircular+0x20/0x20 [ 72.483937] dump_header+0x234/0xa0e [ 72.484309] ? pagefault_out_of_memory+0x152/0x152 [ 72.484796] ? lock_acquire+0x1d5/0x580 [ 72.485161] ? ___ratelimit+0x152/0x630 [ 72.485555] ? do_raw_spin_trylock+0x190/0x190 [ 72.486014] ? mark_held_locks+0xb2/0x100 [ 72.486400] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 72.486901] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 72.487365] ? trace_hardirqs_on+0xd/0x10 [ 72.487786] ? ___ratelimit+0x95/0x630 [ 72.488152] ? idr_get_free+0xff0/0xff0 [ 72.488536] ? lock_downgrade+0x990/0x990 [ 72.488934] ? cred_has_capability+0x1a0/0x3d0 [ 72.489375] oom_kill_process+0x86d/0x13d0 [ 72.489805] ? lock_release+0xd70/0xd70 [ 72.490180] ? oom_evaluate_task+0x480/0x480 [ 72.490606] ? security_capable_noaudit+0x8b/0xc0 [ 72.491093] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 72.491565] ? check_noncircular+0x20/0x20 [ 72.491967] ? has_capability+0x30/0x30 [ 72.492359] ? has_capability_noaudit+0x24/0x30 [ 72.492815] ? oom_badness+0xdf/0xb80 [ 72.493164] ? find_held_lock+0x39/0x1d0 [ 72.493557] ? lock_downgrade+0x990/0x990 [ 72.494193] ? out_of_memory+0x851/0x11d0 [ 72.494858] ? oom_reaper+0x4d0/0x4d0 [ 72.495425] ? lock_release+0xd70/0xd70 [ 72.496040] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 72.496843] ? oom_evaluate_task+0x284/0x480 [ 72.497494] out_of_memory+0x7dd/0x11d0 [ 72.498143] ? oom_killer_disable+0x310/0x310 [ 72.498831] ? mutex_trylock+0x23a/0x2d0 [ 72.499454] ? __lock_is_held+0xbc/0x140 [ 72.500102] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 72.503410] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 72.504180] ? warn_alloc+0x2f0/0x2f0 [ 72.504727] ? find_get_pages_tag+0xf40/0xf40 [ 72.505385] ? check_noncircular+0x20/0x20 [ 72.506018] ? find_get_entry+0x53c/0x9e0 [ 72.506605] ? find_held_lock+0x39/0x1d0 [ 72.507249] ? check_same_owner+0x320/0x320 [ 72.507876] ? __page_cache_alloc+0x165/0x4d0 [ 72.508514] ? __might_sleep+0x95/0x190 [ 72.509106] __alloc_pages_nodemask+0x9f7/0xd80 [ 72.509772] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 72.510481] ? add_to_page_cache_lru+0x510/0x510 [ 72.511191] ? find_held_lock+0x39/0x1d0 [ 72.511790] alloc_pages_current+0xb6/0x1e0 [ 72.512423] __page_cache_alloc+0x358/0x4d0 [ 72.513061] ? rcu_read_lock_held+0xa9/0xc0 [ 72.513657] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 72.514779] filemap_fault+0xf32/0x1d30 [ 72.515356] ? unlock_page+0x19f/0x270 [ 72.515937] ? __lock_page_or_retry+0x500/0x500 [ 72.516617] ? filemap_map_pages+0x942/0x15d0 [ 72.517320] ? find_get_entries_tag+0xeb0/0xeb0 [ 72.518001] ? __lock_acquire+0x732/0x4620 [ 72.518620] ? check_noncircular+0x20/0x20 [ 72.519260] ? find_held_lock+0x39/0x1d0 [ 72.519860] ? check_noncircular+0x20/0x20 [ 72.520484] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 72.521257] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 72.523313] ? lock_acquire+0x1d5/0x580 [ 72.523906] ? ext4_filemap_fault+0x7d/0xb0 [ 72.524506] ? lock_release+0xd70/0xd70 [ 72.525093] ? check_same_owner+0x320/0x320 [ 72.525727] ? rcu_note_context_switch+0x710/0x710 [ 72.526424] ? find_held_lock+0x39/0x1d0 [ 72.527043] ? __might_sleep+0x95/0x190 [ 72.527585] ? down_read+0x96/0x150 [ 72.528125] ? ext4_filemap_fault+0x7d/0xb0 [ 72.528755] ? __down_interruptible+0x6a0/0x6a0 [ 72.529391] ? lock_downgrade+0x990/0x990 [ 72.530010] ext4_filemap_fault+0x85/0xb0 [ 72.530580] __do_fault+0xeb/0x30f [ 72.531115] ? do_raw_spin_trylock+0x190/0x190 [ 72.531781] ? pte_offset_kernel+0xc7/0xc7 [ 72.532362] ? lock_release+0xd70/0xd70 [ 72.532971] ? unwind_dump+0x4c0/0x4c0 [ 72.533521] __handle_mm_fault+0x1b98/0x39e0 [ 72.534195] ? __pmd_alloc+0x4e0/0x4e0 [ 72.534804] ? lock_downgrade+0x990/0x990 [ 72.535384] ? depot_save_stack+0x12c/0x490 [ 72.536041] ? __lock_is_held+0xbc/0x140 [ 72.536639] handle_mm_fault+0x3bb/0x860 [ 72.537251] ? down_read_trylock+0xdb/0x170 [ 72.537902] ? __handle_mm_fault+0x39e0/0x39e0 [ 72.538556] ? vmacache_find+0x61/0x270 [ 72.539170] ? find_vma+0x30/0x150 [ 72.539666] __do_page_fault+0x4f6/0xb60 [ 72.540287] trace_do_page_fault+0x141/0x730 [ 72.540946] ? rcu_read_lock_sched_held+0x108/0x120 [ 72.541663] ? do_page_fault+0x70/0x70 [ 72.542259] ? putname+0xf3/0x130 [ 72.542804] ? do_sys_open+0x320/0x6d0 [ 72.544391] ? filp_open+0x70/0x70 [ 72.544944] ? entry_SYSCALL_64_fastpath+0x4b/0xbe [ 72.545633] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 72.546379] do_async_page_fault+0x72/0xc0 [ 72.547027] async_page_fault+0x22/0x30 [ 72.547579] RIP: 0033:0x40111d [ 72.548076] RSP: 002b:00007ffdc40bfb80 EFLAGS: 00010203 [ 72.548885] RAX: 00000000000002db RBX: ffffffffffffffff RCX: 0000000000435369 [ 72.549899] RDX: 0000000000000000 RSI: 0000000020004ff7 RDI: ffffffffffffff9c [ 72.550936] RBP: 6d766b2f7665642f R08: 0000000000000000 R09: 0000000000000000 [ 72.551965] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 72.552994] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 72.554061] Mem-Info: [ 72.581906] active_anon:3658 inactive_anon:41 isolated_anon:0 [ 72.581906] active_file:59 inactive_file:6 isolated_file:0 [ 72.581906] unevictable:0 dirty:0 writeback:0 unstable:0 [ 72.581906] slab_reclaimable:53541 slab_unreclaimable:329554 [ 72.581906] mapped:33 shmem:76 pagetables:311 bounce:0 [ 72.581906] free:17691 free_pcp:0 free_cma:0 [ 72.591004] Node 0 active_anon:7888kB inactive_anon:76kB active_file:264kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 72.597950] Node 1 active_anon:6744kB inactive_anon:88kB active_file:72kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:128kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 72.606781] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.618876] lowmem_reserve[]: 0 886 886 886 [ 72.623643] Node 0 DMA32 free:36252kB min:36536kB low:45668kB high:54800kB active_anon:7848kB inactive_anon:76kB active_file:264kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:532kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 72.631502] lowmem_reserve[]: 0 0 0 0 [ 72.631916] Node 1 DMA32 free:30384kB min:30404kB low:38004kB high:45604kB active_anon:6744kB inactive_anon:88kB active_file:72kB inactive_file:184kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2240kB pagetables:708kB bounce:0kB free_pcp:4kB local_pcp:4kB free_cma:0kB [ 72.634786] lowmem_reserve[]: 0 0 0 0 [ 72.635341] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 72.639944] Node 0 DMA32: 319*4kB (ME) 216*8kB (UME) 142*16kB (UME) 144*32kB (UME) 58*64kB (UME) 15*128kB (M) 7*256kB (M) 3*512kB (UM) 1*1024kB (U) 4*2048kB (ME) 2*4096kB (M) = 36252kB [ 72.641957] Node 1 DMA32: 258*4kB (UMEH) 635*8kB (UMEH) 660*16kB (UMH) 237*32kB (UMH) 102*64kB (UMEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30784kB [ 72.643709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.644430] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 72.645059] 127 total pagecache pages [ 72.645343] 0 pages in swap cache [ 72.645590] Swap cache stats: add 0, delete 0, find 0/0 [ 72.645973] Free swap = 0kB [ 72.646263] Total swap = 0kB [ 72.646542] 524186 pages RAM [ 72.646819] 0 pages HighMem/MovableOnly [ 72.647203] 103968 pages reserved [ 72.647517] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 72.648352] [ 1522] 0 1522 7117 1911 20 3 0 -1000 udevd [ 72.649188] [ 2812] 0 2812 5382 171 15 3 0 -1000 udevd [ 72.649972] [ 2824] 0 2824 2493 573 9 3 0 0 dhclient [ 72.650812] [ 2955] 0 2955 14265 172 24 3 0 0 rsyslogd [ 72.652205] [ 2990] 0 2990 4725 49 15 3 0 0 cron [ 72.652971] [ 3016] 0 3016 12490 152 28 3 0 -1000 sshd [ 72.653783] [ 3040] 0 3040 3694 41 13 3 0 0 getty [ 72.654629] [ 3041] 0 3041 3694 40 13 3 0 0 getty [ 72.655451] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 72.656261] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 72.657065] [ 3044] 0 3044 3694 40 12 3 0 0 getty [ 72.657851] [ 3045] 0 3045 3694 42 13 3 0 0 getty [ 72.658665] [ 3047] 0 3047 3649 40 13 3 0 0 getty [ 72.659482] [ 3049] 0 3049 5301 104 15 3 0 -1000 udevd [ 72.660289] [ 3069] 0 3069 17820 196 40 3 0 0 sshd [ 72.661088] [ 3071] 0 3071 271 1 4 2 0 0 syzkaller964221 [ 72.661951] [ 3072] 0 3072 3076 12 5 2 0 0 syzkaller964221 [ 72.662835] [ 3073] 0 3073 3076 12 5 2 0 0 syzkaller964221 [ 72.663715] [ 3074] 0 3074 3076 12 5 2 0 0 syzkaller964221 [ 72.664584] [ 3075] 0 3075 3076 12 5 2 0 0 syzkaller964221 [ 72.665451] [ 3076] 0 3076 3076 12 5 2 0 0 syzkaller964221 [ 72.666320] [ 3077] 0 3077 3076 12 5 2 0 0 syzkaller964221 [ 72.667185] [ 3078] 0 3078 3076 12 5 2 0 0 syzkaller964221 [ 72.668055] [ 3079] 0 3079 3076 12 5 2 0 0 syzkaller964221 [ 72.668904] Out of memory: Kill process 2824 (dhclient) score 1 or sacrifice child [ 72.669804] Killed process 2824 (dhclient) total-vm:9972kB, anon-rss:2292kB, file-rss:0kB, shmem-rss:0kB [ 73.504636] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 73.506121] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 73.506579] CPU: 1 PID: 3074 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.507287] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.507970] Call Trace: [ 73.508195] dump_stack+0x194/0x257 [ 73.508508] ? arch_local_irq_restore+0x53/0x53 [ 73.508905] ? isolate_lru_page+0x11d0/0x11d0 [ 73.509293] warn_alloc+0x1c2/0x2f0 [ 73.509603] ? zone_watermark_ok_safe+0x430/0x430 [ 73.510022] ? rcu_note_context_switch+0x710/0x710 [ 73.510601] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 73.511156] ? warn_alloc+0x2f0/0x2f0 [ 73.511502] syzkaller964221 invoked oom-killer: gfp_mask=0x17080c0(GFP_KERNEL_ACCOUNT|__GFP_ZERO|__GFP_NOTRACK), nodemask= [ 73.511520] ? SyS_ioctl+0x8f/0xc0 [ 73.511534] ? warn_alloc+0x2f0/0x2f0 [ 73.511543] ? save_stack_trace+0x16/0x20 [ 73.511561] ? check_noncircular+0x20/0x20 [ 73.511582] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 73.511602] ? find_held_lock+0x39/0x1d0 [ 73.511619] ? lock_downgrade+0x990/0x990 [ 73.511656] ? check_same_owner+0x320/0x320 [ 73.511665] ? rcu_note_context_switch+0x710/0x710 [ 73.511671] ? check_noncircular+0x20/0x20 [ 73.511677] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 73.511686] ? __might_sleep+0x95/0x190 [ 73.511696] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.511745] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.511752] ? __alloc_pages_nodemask+0xae5/0xd80 [ 73.511759] ? find_held_lock+0x39/0x1d0 [ 73.511768] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.511796] ? cache_grow_begin+0x31b/0x400 [ 73.511814] cache_grow_begin+0x86/0x400 [ 73.511831] fallback_alloc+0x150/0x2b0 [ 73.511846] ____cache_alloc_node+0x1cf/0x1e0 [ 73.511857] kmem_cache_alloc_trace+0x27d/0x750 [ 73.511863] ? lock_downgrade+0x990/0x990 [ 73.511880] kvm_dev_ioctl+0x216/0x1840 [ 73.511896] ? lock_release+0xd70/0xd70 [ 73.511904] ? install_new_memslots+0x420/0x420 [ 73.511930] ? avc_has_extended_perms+0x7fa/0x12c0 [ 73.511936] ? unwind_get_return_address+0x61/0xa0 [ 73.511952] ? avc_ss_reset+0x110/0x110 [ 73.511959] ? putname+0xee/0x130 [ 73.511966] ? save_stack+0xa3/0xd0 [ 73.511973] ? save_stack_trace+0x16/0x20 [ 73.511978] ? save_stack+0x43/0xd0 [ 73.511987] ? kasan_slab_free+0x71/0xc0 [ 73.511992] ? kmem_cache_free+0x77/0x280 [ 73.511996] ? putname+0xee/0x130 [ 73.512001] ? do_sys_open+0x31b/0x6d0 [ 73.512012] ? __lock_is_held+0xbc/0x140 [ 73.512035] ? check_same_owner+0x320/0x320 [ 73.512045] ? rcu_note_context_switch+0x710/0x710 [ 73.512064] ? install_new_memslots+0x420/0x420 [ 73.512069] do_vfs_ioctl+0x1b1/0x1530 [ 73.512074] ? _cond_resched+0x14/0x30 [ 73.512086] ? ioctl_preallocate+0x2b0/0x2b0 [ 73.512095] ? selinux_capable+0x40/0x40 [ 73.512102] ? putname+0xf3/0x130 [ 73.512152] ? security_file_ioctl+0x7d/0xb0 [ 73.512157] ? security_file_ioctl+0x89/0xb0 [ 73.512167] SyS_ioctl+0x8f/0xc0 [ 73.512178] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 73.512183] RIP: 0033:0x435369 [ 73.512187] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 73.512194] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.512198] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000335 [ 73.512201] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 73.512210] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 73.512219] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.512280] warn_alloc_show_mem: 1 callbacks suppressed [ 73.512297] Mem-Info: [ 73.512309] active_anon:3084 inactive_anon:41 isolated_anon:0 [ 73.512309] active_file:21 inactive_file:27 isolated_file:0 [ 73.512309] unevictable:0 dirty:0 writeback:0 unstable:0 [ 73.512309] slab_reclaimable:53626 slab_unreclaimable:329820 [ 73.512309] mapped:2 shmem:76 pagetables:301 bounce:0 [ 73.512309] free:17520 free_pcp:516 free_cma:0 [ 73.512317] Node 0 active_anon:6460kB inactive_anon:76kB active_file:52kB inactive_file:80kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 73.512326] Node 1 active_anon:5876kB inactive_anon:88kB active_file:32kB inactive_file:28kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 73.512329] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 73.512341] lowmem_reserve[]: 0 886 886 886 [ 73.512356] Node 0 DMA32 free:36036kB min:36536kB low:45668kB high:54800kB active_anon:6420kB inactive_anon:76kB active_file:52kB inactive_file:80kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:532kB bounce:0kB free_pcp:612kB local_pcp:244kB free_cma:0kB [ 73.512377] lowmem_reserve[]: 0 0 0 0 [ 73.512392] Node 1 DMA32 free:29916kB min:30404kB low:38004kB high:45604kB active_anon:5876kB inactive_anon:88kB active_file:32kB inactive_file:28kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2208kB pagetables:668kB bounce:0kB free_pcp:1452kB local_pcp:336kB free_cma:0kB [ 73.512403] lowmem_reserve[]: 0 0 0 0 [ 73.512418] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 73.512488] Node 0 DMA32: 209*4kB (M) 208*8kB (UM) 162*16kB (UM) 167*32kB (UME) 70*64kB (UM) 21*128kB (UM) 8*256kB (UM) 2*512kB (M) 1*1024kB (U) 5*2048kB (UME) 1*4096kB (M) = 36036kB [ 73.512562] Node 1 DMA32: 151*4kB (UMEH) 556*8kB (UMH) 644*16kB (UMEH) 249*32kB (UMEH) 103*64kB (UMEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 29916kB [ 73.512626] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 73.512631] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 73.512634] 124 total pagecache pages [ 73.512639] 0 pages in swap cache [ 73.512643] Swap cache stats: add 0, delete 0, find 0/0 [ 73.512646] Free swap = 0kB [ 73.512648] Total swap = 0kB [ 73.512651] 524186 pages RAM [ 73.512654] 0 pages HighMem/MovableOnly [ 73.512657] 103968 pages reserved [ 73.550613] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 73.550629] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 73.550645] CPU: 1 PID: 3079 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.550648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.550651] Call Trace: [ 73.550660] dump_stack+0x194/0x257 [ 73.550695] ? arch_local_irq_restore+0x53/0x53 [ 73.550705] ? isolate_lru_page+0x11d0/0x11d0 [ 73.550723] warn_alloc+0x1c2/0x2f0 [ 73.550731] ? zone_watermark_ok_safe+0x430/0x430 [ 73.550763] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 73.550824] ? warn_alloc+0x2f0/0x2f0 [ 73.550832] ? SyS_ioctl+0x8f/0xc0 [ 73.550844] ? warn_alloc+0x2f0/0x2f0 [ 73.550855] ? save_stack_trace+0x16/0x20 [ 73.550876] ? check_noncircular+0x20/0x20 [ 73.550891] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 73.550911] ? find_held_lock+0x39/0x1d0 [ 73.550930] ? lock_downgrade+0x990/0x990 [ 73.550957] ? check_same_owner+0x320/0x320 [ 73.550967] ? rcu_note_context_switch+0x710/0x710 [ 73.550973] ? check_noncircular+0x20/0x20 [ 73.550979] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 73.550990] ? __might_sleep+0x95/0x190 [ 73.551002] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.551015] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.551021] ? __alloc_pages_nodemask+0xae5/0xd80 [ 73.551029] ? find_held_lock+0x39/0x1d0 [ 73.551038] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.551067] ? cache_grow_begin+0x31b/0x400 [ 73.551080] cache_grow_begin+0x86/0x400 [ 73.551092] fallback_alloc+0x150/0x2b0 [ 73.551109] ____cache_alloc_node+0x1cf/0x1e0 [ 73.551121] kmem_cache_alloc_trace+0x27d/0x750 [ 73.551127] ? lock_downgrade+0x990/0x990 [ 73.551144] kvm_dev_ioctl+0x216/0x1840 [ 73.551155] ? lock_release+0xd70/0xd70 [ 73.551164] ? install_new_memslots+0x420/0x420 [ 73.551186] ? avc_has_extended_perms+0x7fa/0x12c0 [ 73.551214] ? unwind_get_return_address+0x61/0xa0 [ 73.551233] ? avc_ss_reset+0x110/0x110 [ 73.551240] ? putname+0xee/0x130 [ 73.551247] ? save_stack+0xa3/0xd0 [ 73.551254] ? save_stack_trace+0x16/0x20 [ 73.551259] ? save_stack+0x43/0xd0 [ 73.551263] ? kasan_slab_free+0x71/0xc0 [ 73.551268] ? kmem_cache_free+0x77/0x280 [ 73.551272] ? putname+0xee/0x130 [ 73.551278] ? do_sys_open+0x31b/0x6d0 [ 73.551290] ? __lock_is_held+0xbc/0x140 [ 73.551313] ? check_same_owner+0x320/0x320 [ 73.551323] ? rcu_note_context_switch+0x710/0x710 [ 73.551338] ? install_new_memslots+0x420/0x420 [ 73.551345] do_vfs_ioctl+0x1b1/0x1530 [ 73.551349] ? _cond_resched+0x14/0x30 [ 73.551361] ? ioctl_preallocate+0x2b0/0x2b0 [ 73.551370] ? selinux_capable+0x40/0x40 [ 73.551378] ? putname+0xf3/0x130 [ 73.551400] ? security_file_ioctl+0x7d/0xb0 [ 73.551405] ? security_file_ioctl+0x89/0xb0 [ 73.551416] SyS_ioctl+0x8f/0xc0 [ 73.551427] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 73.551432] RIP: 0033:0x435369 [ 73.551436] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 73.551443] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.551447] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002e1 [ 73.551451] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 73.551455] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 73.551459] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.601994] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 73.602029] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 73.602045] CPU: 1 PID: 3076 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.602049] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.602052] Call Trace: [ 73.602061] dump_stack+0x194/0x257 [ 73.602131] ? arch_local_irq_restore+0x53/0x53 [ 73.602141] ? isolate_lru_page+0x11d0/0x11d0 [ 73.602156] warn_alloc+0x1c2/0x2f0 [ 73.602166] ? zone_watermark_ok_safe+0x430/0x430 [ 73.602183] ? rcu_note_context_switch+0x710/0x710 [ 73.602202] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 73.602260] ? warn_alloc+0x2f0/0x2f0 [ 73.602268] ? SyS_ioctl+0x8f/0xc0 [ 73.602281] ? warn_alloc+0x2f0/0x2f0 [ 73.602291] ? save_stack_trace+0x16/0x20 [ 73.602309] ? check_noncircular+0x20/0x20 [ 73.602325] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 73.602347] ? find_held_lock+0x39/0x1d0 [ 73.602365] ? lock_downgrade+0x990/0x990 [ 73.602393] ? check_same_owner+0x320/0x320 [ 73.602404] ? rcu_note_context_switch+0x710/0x710 [ 73.602410] ? check_noncircular+0x20/0x20 [ 73.602416] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 73.602427] ? __might_sleep+0x95/0x190 [ 73.602440] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.602455] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.602462] ? __alloc_pages_nodemask+0xae5/0xd80 [ 73.602470] ? find_held_lock+0x39/0x1d0 [ 73.602479] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.602514] ? cache_grow_begin+0x31b/0x400 [ 73.602529] cache_grow_begin+0x86/0x400 [ 73.602541] fallback_alloc+0x150/0x2b0 [ 73.602557] ____cache_alloc_node+0x1cf/0x1e0 [ 73.602569] kmem_cache_alloc_trace+0x27d/0x750 [ 73.602576] ? lock_downgrade+0x990/0x990 [ 73.602593] kvm_dev_ioctl+0x216/0x1840 [ 73.602605] ? lock_release+0xd70/0xd70 [ 73.602613] ? install_new_memslots+0x420/0x420 [ 73.602616] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 73.602631] syzkaller964221 cpuset= [ 73.602637] ? avc_has_extended_perms+0x7fa/0x12c0 [ 73.602643] ? unwind_get_return_address+0x61/0xa0 [ 73.602660] ? avc_ss_reset+0x110/0x110 [ 73.602668] ? putname+0xee/0x130 [ 73.602675] ? save_stack+0xa3/0xd0 [ 73.602682] ? save_stack_trace+0x16/0x20 [ 73.602687] ? save_stack+0x43/0xd0 [ 73.602693] ? kasan_slab_free+0x71/0xc0 [ 73.602698] ? kmem_cache_free+0x77/0x280 [ 73.602783] ? putname+0xee/0x130 [ 73.602788] ? do_sys_open+0x31b/0x6d0 [ 73.602800] ? __lock_is_held+0xbc/0x140 [ 73.602825] ? check_same_owner+0x320/0x320 [ 73.602836] ? rcu_note_context_switch+0x710/0x710 [ 73.602853] ? install_new_memslots+0x420/0x420 [ 73.602860] do_vfs_ioctl+0x1b1/0x1530 [ 73.602865] ? _cond_resched+0x14/0x30 [ 73.602879] ? ioctl_preallocate+0x2b0/0x2b0 [ 73.602889] ? selinux_capable+0x40/0x40 [ 73.602898] ? putname+0xf3/0x130 [ 73.602924] ? security_file_ioctl+0x7d/0xb0 [ 73.602929] ? security_file_ioctl+0x89/0xb0 [ 73.602941] SyS_ioctl+0x8f/0xc0 [ 73.602953] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 73.602958] RIP: 0033:0x435369 [ 73.602962] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 73.602969] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.602973] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000332 [ 73.602977] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 73.602980] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 73.602984] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.604930] / mems_allowed=0-1 [ 73.604955] CPU: 0 PID: 3077 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.604958] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.604961] Call Trace: [ 73.604968] dump_stack+0x194/0x257 [ 73.604978] ? arch_local_irq_restore+0x53/0x53 [ 73.604986] ? isolate_lru_page+0x11d0/0x11d0 [ 73.605002] warn_alloc+0x1c2/0x2f0 [ 73.605010] ? zone_watermark_ok_safe+0x430/0x430 [ 73.605029] ? rcu_note_context_switch+0x710/0x710 [ 73.605048] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 73.605104] ? warn_alloc+0x2f0/0x2f0 [ 73.605112] ? SyS_ioctl+0x8f/0xc0 [ 73.605124] ? warn_alloc+0x2f0/0x2f0 [ 73.605133] ? save_stack_trace+0x16/0x20 [ 73.605150] ? check_noncircular+0x20/0x20 [ 73.605165] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 73.605187] ? find_held_lock+0x39/0x1d0 [ 73.605205] ? lock_downgrade+0x990/0x990 [ 73.605232] ? check_same_owner+0x320/0x320 [ 73.605242] ? rcu_note_context_switch+0x710/0x710 [ 73.605248] ? check_noncircular+0x20/0x20 [ 73.605255] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 73.605264] ? __might_sleep+0x95/0x190 [ 73.605275] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.605287] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.605294] ? __alloc_pages_nodemask+0xae5/0xd80 [ 73.605301] ? find_held_lock+0x39/0x1d0 [ 73.605310] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.605340] ? cache_grow_begin+0x31b/0x400 [ 73.605353] cache_grow_begin+0x86/0x400 [ 73.605365] fallback_alloc+0x150/0x2b0 [ 73.605380] ____cache_alloc_node+0x1cf/0x1e0 [ 73.605392] kmem_cache_alloc_trace+0x27d/0x750 [ 73.605398] ? lock_downgrade+0x990/0x990 [ 73.605416] kvm_dev_ioctl+0x216/0x1840 [ 73.605427] ? lock_release+0xd70/0xd70 [ 73.605436] ? install_new_memslots+0x420/0x420 [ 73.605457] ? avc_has_extended_perms+0x7fa/0x12c0 [ 73.605462] ? unwind_get_return_address+0x61/0xa0 [ 73.605480] ? avc_ss_reset+0x110/0x110 [ 73.605488] ? putname+0xee/0x130 [ 73.605494] ? save_stack+0xa3/0xd0 [ 73.605501] ? save_stack_trace+0x16/0x20 [ 73.605506] ? save_stack+0x43/0xd0 [ 73.605511] ? kasan_slab_free+0x71/0xc0 [ 73.605515] ? kmem_cache_free+0x77/0x280 [ 73.605520] ? putname+0xee/0x130 [ 73.605525] ? do_sys_open+0x31b/0x6d0 [ 73.605536] ? __lock_is_held+0xbc/0x140 [ 73.605561] ? check_same_owner+0x320/0x320 [ 73.605570] ? rcu_note_context_switch+0x710/0x710 [ 73.605585] ? install_new_memslots+0x420/0x420 [ 73.605590] do_vfs_ioctl+0x1b1/0x1530 [ 73.605595] ? _cond_resched+0x14/0x30 [ 73.605607] ? ioctl_preallocate+0x2b0/0x2b0 [ 73.605616] ? selinux_capable+0x40/0x40 [ 73.605625] ? putname+0xf3/0x130 [ 73.605647] ? security_file_ioctl+0x7d/0xb0 [ 73.605652] ? security_file_ioctl+0x89/0xb0 [ 73.605663] SyS_ioctl+0x8f/0xc0 [ 73.605674] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 73.605679] RIP: 0033:0x435369 [ 73.605682] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 73.605689] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.605693] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002ff [ 73.605697] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 73.605701] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 73.605706] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.615661] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 73.615676] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 73.615691] CPU: 2 PID: 3073 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.615695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.615698] Call Trace: [ 73.615705] dump_stack+0x194/0x257 [ 73.615715] ? arch_local_irq_restore+0x53/0x53 [ 73.615723] ? isolate_lru_page+0x11d0/0x11d0 [ 73.615738] warn_alloc+0x1c2/0x2f0 [ 73.615746] ? zone_watermark_ok_safe+0x430/0x430 [ 73.615764] ? rcu_note_context_switch+0x710/0x710 [ 73.615784] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 73.615840] ? warn_alloc+0x2f0/0x2f0 [ 73.615848] ? SyS_ioctl+0x8f/0xc0 [ 73.615860] ? warn_alloc+0x2f0/0x2f0 [ 73.615870] ? save_stack_trace+0x16/0x20 [ 73.615887] ? check_noncircular+0x20/0x20 [ 73.615903] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 73.615924] ? find_held_lock+0x39/0x1d0 [ 73.615943] ? lock_downgrade+0x990/0x990 [ 73.615971] ? check_same_owner+0x320/0x320 [ 73.615980] ? rcu_note_context_switch+0x710/0x710 [ 73.615986] ? check_noncircular+0x20/0x20 [ 73.615992] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 73.616004] ? __might_sleep+0x95/0x190 [ 73.616016] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.616029] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.616035] ? __alloc_pages_nodemask+0xae5/0xd80 [ 73.616042] ? find_held_lock+0x39/0x1d0 [ 73.616052] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.616081] ? cache_grow_begin+0x31b/0x400 [ 73.616096] cache_grow_begin+0x86/0x400 [ 73.616107] fallback_alloc+0x150/0x2b0 [ 73.616123] ____cache_alloc_node+0x1cf/0x1e0 [ 73.616134] kmem_cache_alloc_trace+0x27d/0x750 [ 73.616140] ? lock_downgrade+0x990/0x990 [ 73.616158] kvm_dev_ioctl+0x216/0x1840 [ 73.616170] ? lock_release+0xd70/0xd70 [ 73.616179] ? install_new_memslots+0x420/0x420 [ 73.616200] ? avc_has_extended_perms+0x7fa/0x12c0 [ 73.616206] ? unwind_get_return_address+0x61/0xa0 [ 73.616222] ? avc_ss_reset+0x110/0x110 [ 73.616230] ? putname+0xee/0x130 [ 73.616237] ? save_stack+0xa3/0xd0 [ 73.616245] ? save_stack_trace+0x16/0x20 [ 73.616251] ? save_stack+0x43/0xd0 [ 73.616255] ? kasan_slab_free+0x71/0xc0 [ 73.616260] ? kmem_cache_free+0x77/0x280 [ 73.616265] ? putname+0xee/0x130 [ 73.616270] ? do_sys_open+0x31b/0x6d0 [ 73.616281] ? __lock_is_held+0xbc/0x140 [ 73.616304] ? check_same_owner+0x320/0x320 [ 73.616314] ? rcu_note_context_switch+0x710/0x710 [ 73.616329] ? install_new_memslots+0x420/0x420 [ 73.616335] do_vfs_ioctl+0x1b1/0x1530 [ 73.616340] ? _cond_resched+0x14/0x30 [ 73.616352] ? ioctl_preallocate+0x2b0/0x2b0 [ 73.616361] ? selinux_capable+0x40/0x40 [ 73.616369] ? putname+0xf3/0x130 [ 73.616390] ? security_file_ioctl+0x7d/0xb0 [ 73.616395] ? security_file_ioctl+0x89/0xb0 [ 73.616406] SyS_ioctl+0x8f/0xc0 [ 73.616417] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 73.616422] RIP: 0033:0x435369 [ 73.616426] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 73.616433] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.616437] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002dd [ 73.616440] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 73.616444] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 73.616448] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.617532] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 73.617547] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 73.617560] CPU: 2 PID: 3078 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.617563] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.617566] Call Trace: [ 73.617573] dump_stack+0x194/0x257 [ 73.617582] ? arch_local_irq_restore+0x53/0x53 [ 73.617591] ? flush_work+0x621/0x930 [ 73.617604] warn_alloc+0x1c2/0x2f0 [ 73.617612] ? zone_watermark_ok_safe+0x430/0x430 [ 73.617617] ? mutex_unlock+0xd/0x10 [ 73.617646] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 73.617702] ? warn_alloc+0x2f0/0x2f0 [ 73.617709] ? SyS_ioctl+0x8f/0xc0 [ 73.617721] ? warn_alloc+0x2f0/0x2f0 [ 73.617730] ? save_stack_trace+0x16/0x20 [ 73.617747] ? check_noncircular+0x20/0x20 [ 73.617762] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 73.617783] ? find_held_lock+0x39/0x1d0 [ 73.617800] ? lock_downgrade+0x990/0x990 [ 73.617827] ? check_same_owner+0x320/0x320 [ 73.617837] ? rcu_note_context_switch+0x710/0x710 [ 73.617843] ? check_noncircular+0x20/0x20 [ 73.617849] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 73.617858] ? __might_sleep+0x95/0x190 [ 73.617869] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.617881] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.617888] ? __alloc_pages_nodemask+0xae5/0xd80 [ 73.617895] ? find_held_lock+0x39/0x1d0 [ 73.617904] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.617933] ? cache_grow_begin+0x31b/0x400 [ 73.617946] cache_grow_begin+0x86/0x400 [ 73.617958] fallback_alloc+0x150/0x2b0 [ 73.617973] ____cache_alloc_node+0x1cf/0x1e0 [ 73.617985] kmem_cache_alloc_trace+0x27d/0x750 [ 73.617991] ? lock_downgrade+0x990/0x990 [ 73.618010] kvm_dev_ioctl+0x216/0x1840 [ 73.618022] ? lock_release+0xd70/0xd70 [ 73.618035] ? install_new_memslots+0x420/0x420 [ 73.618056] ? avc_has_extended_perms+0x7fa/0x12c0 [ 73.618061] ? unwind_get_return_address+0x61/0xa0 [ 73.618078] ? avc_ss_reset+0x110/0x110 [ 73.618086] ? putname+0xee/0x130 [ 73.618092] ? save_stack+0xa3/0xd0 [ 73.618100] ? save_stack_trace+0x16/0x20 [ 73.618104] ? save_stack+0x43/0xd0 [ 73.618109] ? kasan_slab_free+0x71/0xc0 [ 73.618114] ? kmem_cache_free+0x77/0x280 [ 73.618118] ? putname+0xee/0x130 [ 73.618123] ? do_sys_open+0x31b/0x6d0 [ 73.618134] ? __lock_is_held+0xbc/0x140 [ 73.618157] ? check_same_owner+0x320/0x320 [ 73.618167] ? rcu_note_context_switch+0x710/0x710 [ 73.618181] ? install_new_memslots+0x420/0x420 [ 73.618187] do_vfs_ioctl+0x1b1/0x1530 [ 73.618192] ? _cond_resched+0x14/0x30 [ 73.618203] ? ioctl_preallocate+0x2b0/0x2b0 [ 73.618212] ? selinux_capable+0x40/0x40 [ 73.618220] ? putname+0xf3/0x130 [ 73.618242] ? security_file_ioctl+0x7d/0xb0 [ 73.618247] ? security_file_ioctl+0x89/0xb0 [ 73.618257] SyS_ioctl+0x8f/0xc0 [ 73.618269] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 73.618273] RIP: 0033:0x435369 [ 73.618276] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 73.618283] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.618287] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002da [ 73.618291] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 73.618294] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 73.618298] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.937987] (null), order=0, oom_score_adj=0 [ 73.938543] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 73.939259] CPU: 3 PID: 3075 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 73.940150] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 73.940991] Call Trace: [ 73.941281] dump_stack+0x194/0x257 [ 73.941633] ? arch_local_irq_restore+0x53/0x53 [ 73.942128] ? check_noncircular+0x20/0x20 [ 73.942560] dump_header+0x234/0xa0e [ 73.942953] ? pagefault_out_of_memory+0x152/0x152 [ 73.943502] ? lock_acquire+0x1d5/0x580 [ 73.943919] ? ___ratelimit+0x152/0x630 [ 73.944368] ? do_raw_spin_trylock+0x190/0x190 [ 73.944848] ? mark_held_locks+0xb2/0x100 [ 73.945283] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 73.945814] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 73.946349] ? trace_hardirqs_on+0xd/0x10 [ 73.946791] ? ___ratelimit+0x95/0x630 [ 73.947205] ? idr_get_free+0xff0/0xff0 [ 73.947630] ? lock_downgrade+0x990/0x990 [ 73.948074] ? cred_has_capability+0x1a0/0x3d0 [ 73.948577] oom_kill_process+0x86d/0x13d0 [ 73.949038] ? lock_release+0xd70/0xd70 [ 73.949473] ? oom_evaluate_task+0x480/0x480 [ 73.949946] ? security_capable_noaudit+0x8b/0xc0 [ 73.950460] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 73.952313] ? check_noncircular+0x20/0x20 [ 73.952552] ? has_capability+0x30/0x30 [ 73.952799] ? has_capability_noaudit+0x24/0x30 [ 73.953208] ? oom_badness+0xdf/0xb80 [ 73.953476] ? find_held_lock+0x39/0x1d0 [ 73.953767] ? lock_downgrade+0x990/0x990 [ 73.954082] ? out_of_memory+0x851/0x11d0 [ 73.954359] ? oom_reaper+0x4d0/0x4d0 [ 73.954632] ? lock_release+0xd70/0xd70 [ 73.954927] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 73.955293] ? oom_evaluate_task+0x284/0x480 [ 73.955614] out_of_memory+0x7dd/0x11d0 [ 73.955909] ? oom_killer_disable+0x310/0x310 [ 73.956236] ? mutex_trylock+0x23a/0x2d0 [ 73.956530] ? __lock_is_held+0xbc/0x140 [ 73.956850] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 73.957254] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 73.957638] ? warn_alloc+0x2f0/0x2f0 [ 73.957926] ? __lock_is_held+0xbc/0x140 [ 73.958235] ? check_noncircular+0x20/0x20 [ 73.958548] ? rcu_read_lock_sched_held+0x108/0x120 [ 73.958910] ? __anon_vma_prepare+0x13e/0x6b0 [ 73.959236] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.959583] ? find_held_lock+0x39/0x1d0 [ 73.959872] ? __lock_is_held+0xbc/0x140 [ 73.960249] ? check_same_owner+0x320/0x320 [ 73.960956] ? __might_sleep+0x95/0x190 [ 73.961659] __alloc_pages_nodemask+0x9f7/0xd80 [ 73.962518] ? save_stack+0x43/0xd0 [ 73.963138] ? kasan_kmalloc+0xad/0xe0 [ 73.963783] ? kasan_slab_alloc+0x12/0x20 [ 73.965473] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 73.966993] ? check_noncircular+0x20/0x20 [ 73.967443] ? perf_event_mmap+0x10a/0x1170 [ 73.967837] ? __lock_is_held+0xbc/0x140 [ 73.968257] alloc_pages_current+0xb6/0x1e0 [ 73.968683] pte_alloc_one+0x19/0x100 [ 73.969116] __pte_alloc+0x2a/0x300 [ 73.969534] __handle_mm_fault+0x2ab2/0x39e0 [ 73.970094] ? __pmd_alloc+0x4e0/0x4e0 [ 73.970453] ? lock_downgrade+0x990/0x990 [ 73.970823] ? lock_downgrade+0x990/0x990 [ 73.971192] ? SyS_brk+0x6f0/0x6f0 [ 73.971516] ? __lock_is_held+0xbc/0x140 [ 73.971907] handle_mm_fault+0x3bb/0x860 [ 73.973717] ? __handle_mm_fault+0x39e0/0x39e0 [ 73.974162] ? vmacache_find+0x61/0x270 [ 73.974542] ? vmacache_update+0xfe/0x130 [ 73.974914] ? find_vma+0x30/0x150 [ 73.975256] __do_page_fault+0x4f6/0xb60 [ 73.975647] trace_do_page_fault+0x141/0x730 [ 73.976048] ? do_page_fault+0x70/0x70 [ 73.976455] ? SyS_mmap_pgoff+0x243/0x5f0 [ 73.976903] ? entry_SYSCALL_64_fastpath+0x4b/0xbe [ 73.977377] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 73.977821] do_async_page_fault+0x72/0xc0 [ 73.978212] async_page_fault+0x22/0x30 [ 73.978722] RIP: 0033:0x4010e7 [ 73.980086] RSP: 002b:00007ffdc40bfb80 EFLAGS: 00010217 [ 73.980577] RAX: 0000000020000000 RBX: ffffffffffffffff RCX: 0000000000435369 [ 73.981300] RDX: 0000000000000003 RSI: 0000000000af5000 RDI: 0000000020000000 [ 73.981958] RBP: 6d766b2f7665642f R08: ffffffffffffffff R09: 0000000000000000 [ 73.982708] R10: 0000000000000032 R11: 0000000000000207 R12: 0000000000000000 [ 73.983336] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 73.984374] Mem-Info: [ 73.984728] active_anon:3085 inactive_anon:41 isolated_anon:0 [ 73.984728] active_file:73 inactive_file:23 isolated_file:0 [ 73.984728] unevictable:0 dirty:0 writeback:0 unstable:0 [ 73.984728] slab_reclaimable:53635 slab_unreclaimable:329755 [ 73.984728] mapped:29 shmem:76 pagetables:301 bounce:0 [ 73.984728] free:17883 free_pcp:153 free_cma:0 [ 73.987474] Node 0 active_anon:6460kB inactive_anon:76kB active_file:176kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:84kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 73.991214] Node 1 active_anon:5880kB inactive_anon:88kB active_file:116kB inactive_file:168kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:36kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 73.993426] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 74.022162] lowmem_reserve[]: 0 886 886 886 [ 74.022550] Node 0 DMA32 free:36156kB min:36536kB low:45668kB high:54800kB active_anon:6420kB inactive_anon:76kB active_file:148kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:532kB bounce:0kB free_pcp:912kB local_pcp:0kB free_cma:0kB [ 74.024836] lowmem_reserve[]: 0 0 0 0 [ 74.025198] Node 1 DMA32 free:30876kB min:30404kB low:38004kB high:45604kB active_anon:5880kB inactive_anon:88kB active_file:56kB inactive_file:136kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2208kB pagetables:668kB bounce:0kB free_pcp:440kB local_pcp:0kB free_cma:0kB [ 74.027567] lowmem_reserve[]: 0 0 0 0 [ 74.027906] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 74.029290] Node 0 DMA32: 150*4kB (UME) 229*8kB (UM) 166*16kB (UME) 167*32kB (UME) 70*64kB (UM) 21*128kB (UM) 8*256kB (UM) 2*512kB (M) 1*1024kB (U) 5*2048kB (UME) 1*4096kB (M) = 36032kB [ 74.030824] Node 1 DMA32: 138*4kB (UH) 577*8kB (UMH) 656*16kB (UMEH) 249*32kB (UMEH) 103*64kB (UMEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30224kB [ 74.032090] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.032734] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.033462] 270 total pagecache pages [ 74.033791] 0 pages in swap cache [ 74.042239] Swap cache stats: add 0, delete 0, find 0/0 [ 74.043769] Free swap = 0kB [ 74.044805] Total swap = 0kB [ 74.045199] 524186 pages RAM [ 74.045616] 0 pages HighMem/MovableOnly [ 74.046239] 103968 pages reserved [ 74.046811] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 74.047820] [ 1522] 0 1522 7117 1913 20 3 0 -1000 udevd [ 74.048839] [ 2812] 0 2812 5383 172 15 3 0 -1000 udevd [ 74.049849] [ 2955] 0 2955 14265 172 24 3 0 0 rsyslogd [ 74.050936] [ 2990] 0 2990 4725 49 15 3 0 0 cron [ 74.051972] [ 3016] 0 3016 12490 152 28 3 0 -1000 sshd [ 74.053289] [ 3040] 0 3040 3694 41 13 3 0 0 getty [ 74.054385] [ 3041] 0 3041 3694 40 13 3 0 0 getty [ 74.055627] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 74.058917] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 74.070459] [ 3044] 0 3044 3694 40 12 3 0 0 getty [ 74.073456] [ 3045] 0 3045 3694 42 13 3 0 0 getty [ 74.075983] [ 3047] 0 3047 3649 40 13 3 0 0 getty [ 74.077698] [ 3049] 0 3049 5301 104 15 3 0 -1000 udevd [ 74.078916] [ 3069] 0 3069 17820 197 40 3 0 0 sshd [ 74.079961] [ 3071] 0 3071 271 1 4 2 0 0 syzkaller964221 [ 74.081335] [ 3072] 0 3072 3076 44 5 2 0 0 syzkaller964221 [ 74.082467] [ 3073] 0 3073 3076 44 5 2 0 0 syzkaller964221 [ 74.083493] [ 3074] 0 3074 3076 12 5 2 0 0 syzkaller964221 [ 74.084521] [ 3075] 0 3075 3076 12 4 2 0 0 syzkaller964221 [ 74.085577] [ 3076] 0 3076 3076 44 5 2 0 0 syzkaller964221 [ 74.086649] [ 3077] 0 3077 3076 44 5 2 0 0 syzkaller964221 [ 74.088078] [ 3078] 0 3078 3076 44 5 2 0 0 syzkaller964221 [ 74.089388] [ 3079] 0 3079 3076 44 5 2 0 0 syzkaller964221 [ 74.090960] Out of memory: Kill process 3069 (sshd) score 0 or sacrifice child [ 74.092171] Killed process 3071 (syzkaller964221) total-vm:1084kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 74.807605] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 74.808385] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 74.808711] CPU: 0 PID: 3077 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 74.809200] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 74.809669] Call Trace: [ 74.809894] dump_stack+0x194/0x257 [ 74.810289] ? arch_local_irq_restore+0x53/0x53 [ 74.810527] syzkaller964221: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 74.810541] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 74.812138] ? isolate_lru_page+0x11d0/0x11d0 [ 74.812537] warn_alloc+0x1c2/0x2f0 [ 74.812860] ? zone_watermark_ok_safe+0x430/0x430 [ 74.813297] ? rcu_note_context_switch+0x710/0x710 [ 74.813737] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 74.814215] ? warn_alloc+0x2f0/0x2f0 [ 74.814543] ? SyS_ioctl+0x8f/0xc0 [ 74.815182] ? warn_alloc+0x2f0/0x2f0 [ 74.815829] ? save_stack_trace+0x16/0x20 [ 74.816532] ? check_noncircular+0x20/0x20 [ 74.817251] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 74.818133] ? find_held_lock+0x39/0x1d0 [ 74.818825] ? lock_downgrade+0x990/0x990 [ 74.819365] ? check_same_owner+0x320/0x320 [ 74.819749] ? rcu_note_context_switch+0x710/0x710 [ 74.820182] ? check_noncircular+0x20/0x20 [ 74.820555] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 74.821347] ? __might_sleep+0x95/0x190 [ 74.821703] __alloc_pages_nodemask+0x9f7/0xd80 [ 74.822127] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 74.822568] ? __alloc_pages_nodemask+0xae5/0xd80 [ 74.822994] ? find_held_lock+0x39/0x1d0 [ 74.830410] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 74.830864] ? cache_grow_begin+0x31b/0x400 [ 74.831233] cache_grow_begin+0x86/0x400 [ 74.831569] fallback_alloc+0x150/0x2b0 [ 74.831905] ____cache_alloc_node+0x1cf/0x1e0 [ 74.832372] kmem_cache_alloc_trace+0x27d/0x750 [ 74.832769] ? lock_downgrade+0x990/0x990 [ 74.833222] kvm_dev_ioctl+0x216/0x1840 [ 74.833605] ? lock_release+0xd70/0xd70 [ 74.833993] ? install_new_memslots+0x420/0x420 [ 74.834397] ? avc_has_extended_perms+0x7fa/0x12c0 [ 74.834862] ? unwind_get_return_address+0x61/0xa0 [ 74.835421] ? avc_ss_reset+0x110/0x110 [ 74.835808] ? putname+0xee/0x130 [ 74.836157] ? save_stack+0xa3/0xd0 [ 74.836559] ? save_stack_trace+0x16/0x20 [ 74.836911] ? save_stack+0x43/0xd0 [ 74.837327] ? kasan_slab_free+0x71/0xc0 [ 74.837719] ? kmem_cache_free+0x77/0x280 [ 74.838075] ? putname+0xee/0x130 [ 74.838410] ? do_sys_open+0x31b/0x6d0 [ 74.838790] ? __lock_is_held+0xbc/0x140 [ 74.839153] ? check_same_owner+0x320/0x320 [ 74.839627] ? rcu_note_context_switch+0x710/0x710 [ 74.840117] ? install_new_memslots+0x420/0x420 [ 74.840663] do_vfs_ioctl+0x1b1/0x1530 [ 74.840993] ? _cond_resched+0x14/0x30 [ 74.841550] ? ioctl_preallocate+0x2b0/0x2b0 [ 74.841980] ? selinux_capable+0x40/0x40 [ 74.842337] ? putname+0xf3/0x130 [ 74.842687] ? security_file_ioctl+0x7d/0xb0 [ 74.843276] ? security_file_ioctl+0x89/0xb0 [ 74.843691] SyS_ioctl+0x8f/0xc0 [ 74.844058] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 74.844508] RIP: 0033:0x435369 [ 74.844785] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000217 ORIG_RAX: 0000000000000010 [ 74.845596] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 74.846211] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 0000000000000300 [ 74.846864] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 74.848018] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 74.849254] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 74.850998] CPU: 1 PID: 3075 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 74.851600] warn_alloc_show_mem: 5 callbacks suppressed [ 74.851602] Mem-Info: [ 74.851769] active_anon:3081 inactive_anon:41 isolated_anon:0 [ 74.851769] active_file:64 inactive_file:57 isolated_file:0 [ 74.851769] unevictable:0 dirty:0 writeback:0 unstable:0 [ 74.851769] slab_reclaimable:53654 slab_unreclaimable:329833 [ 74.851769] mapped:16 shmem:76 pagetables:298 bounce:0 [ 74.851769] free:17833 free_pcp:101 free_cma:0 [ 74.851779] Node 0 active_anon:6432kB inactive_anon:76kB active_file:140kB inactive_file:20kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:60kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 74.851788] Node 1 active_anon:5892kB inactive_anon:88kB active_file:116kB inactive_file:308kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 74.851790] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 74.851803] lowmem_reserve[]: 0 886 886 886 [ 74.851817] Node 0 DMA32 free:36540kB min:36536kB low:45668kB high:54800kB active_anon:6392kB inactive_anon:76kB active_file:140kB inactive_file:20kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:508kB bounce:0kB free_pcp:68kB local_pcp:12kB free_cma:0kB [ 74.851830] lowmem_reserve[]: 0 0 0 0 [ 74.851844] Node 1 DMA32 free:30664kB min:30404kB low:38004kB high:45604kB active_anon:5892kB inactive_anon:88kB active_file:116kB inactive_file:28kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:680kB bounce:0kB free_pcp:364kB local_pcp:72kB free_cma:0kB [ 74.851856] lowmem_reserve[]: 0 0 0 0 [ 74.851870] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 74.851931] Node 0 DMA32: 355*4kB (UME) 224*8kB (UME) 165*16kB (UM) 169*32kB (UME) 71*64kB (UME) 20*128kB (M) 7*256kB (M) 2*512kB (M) 1*1024kB (U) 5*2048kB (UME) 1*4096kB (M) = 36540kB [ 74.851996] Node 1 DMA32: 184*4kB (UMEH) 595*8kB (UMH) 648*16kB (UMEH) 250*32kB (UMEH) 103*64kB (UMEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30456kB [ 74.852064] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.852069] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 74.852071] 245 total pagecache pages [ 74.852077] 0 pages in swap cache [ 74.852081] Swap cache stats: add 0, delete 0, find 0/0 [ 74.852083] Free swap = 0kB [ 74.852086] Total swap = 0kB [ 74.852089] 524186 pages RAM [ 74.852092] 0 pages HighMem/MovableOnly [ 74.852094] 103968 pages reserved [ 74.903152] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 74.903843] Call Trace: [ 74.904071] dump_stack+0x194/0x257 [ 74.904380] ? arch_local_irq_restore+0x53/0x53 [ 74.904778] ? isolate_lru_page+0x11d0/0x11d0 [ 74.905157] warn_alloc+0x1c2/0x2f0 [ 74.905470] ? zone_watermark_ok_safe+0x430/0x430 [ 74.905906] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 74.906362] ? warn_alloc+0x2f0/0x2f0 [ 74.906685] ? SyS_ioctl+0x8f/0xc0 [ 74.906992] ? warn_alloc+0x2f0/0x2f0 [ 74.907315] ? save_stack_trace+0x16/0x20 [ 74.907680] ? check_noncircular+0x20/0x20 [ 74.908049] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 74.908497] ? find_held_lock+0x39/0x1d0 [ 74.908856] ? lock_downgrade+0x990/0x990 [ 74.909226] ? check_same_owner+0x320/0x320 [ 74.909595] ? rcu_note_context_switch+0x710/0x710 [ 74.910005] ? check_noncircular+0x20/0x20 [ 74.918233] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 74.918789] ? __might_sleep+0x95/0x190 [ 74.919128] __alloc_pages_nodemask+0x9f7/0xd80 [ 74.919522] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 74.919927] ? __alloc_pages_nodemask+0xae5/0xd80 [ 74.920332] ? find_held_lock+0x39/0x1d0 [ 74.920678] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 74.921118] ? cache_grow_begin+0x31b/0x400 [ 74.921484] cache_grow_begin+0x86/0x400 [ 74.921827] fallback_alloc+0x150/0x2b0 [ 74.922173] ____cache_alloc_node+0x1cf/0x1e0 [ 74.922554] kmem_cache_alloc_trace+0x27d/0x750 [ 74.922937] ? lock_downgrade+0x990/0x990 [ 74.923293] kvm_dev_ioctl+0x216/0x1840 [ 74.923628] ? lock_release+0xd70/0xd70 [ 74.935739] ? install_new_memslots+0x420/0x420 [ 74.936148] ? avc_has_extended_perms+0x7fa/0x12c0 [ 74.936551] ? unwind_get_return_address+0x61/0xa0 [ 74.936991] ? avc_ss_reset+0x110/0x110 [ 74.937325] ? putname+0xee/0x130 [ 74.937614] ? save_stack+0xa3/0xd0 [ 74.937919] ? save_stack_trace+0x16/0x20 [ 74.938266] ? save_stack+0x43/0xd0 [ 74.938568] ? kasan_slab_free+0x71/0xc0 [ 74.938905] ? kmem_cache_free+0x77/0x280 [ 74.939249] ? putname+0xee/0x130 [ 74.939543] ? do_sys_open+0x31b/0x6d0 [ 74.939875] ? __lock_is_held+0xbc/0x140 [ 74.954204] ? check_same_owner+0x320/0x320 [ 74.954926] ? rcu_note_context_switch+0x710/0x710 [ 74.955420] ? install_new_memslots+0x420/0x420 [ 74.955874] do_vfs_ioctl+0x1b1/0x1530 [ 74.956259] ? _cond_resched+0x14/0x30 [ 74.956646] ? ioctl_preallocate+0x2b0/0x2b0 [ 74.957085] ? selinux_capable+0x40/0x40 [ 74.957486] ? putname+0xf3/0x130 [ 74.957845] ? security_file_ioctl+0x7d/0xb0 [ 74.958278] ? security_file_ioctl+0x89/0xb0 [ 74.958714] SyS_ioctl+0x8f/0xc0 [ 74.959055] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 74.959515] RIP: 0033:0x435369 [ 74.959825] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 74.960569] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 74.961261] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002f1 [ 74.961957] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 74.962660] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 74.963368] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program [ 77.112308] udevd invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=-1000 [ 77.113667] udevd cpuset=/ mems_allowed=0-1 [ 77.114208] CPU: 0 PID: 2812 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 77.114931] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 77.115708] Call Trace: [ 77.115965] dump_stack+0x194/0x257 [ 77.116322] ? arch_local_irq_restore+0x53/0x53 [ 77.116776] ? check_noncircular+0x20/0x20 [ 77.117195] dump_header+0x234/0xa0e [ 77.117569] ? pagefault_out_of_memory+0x152/0x152 [ 77.118056] ? lock_acquire+0x1d5/0x580 [ 77.118453] ? ___ratelimit+0x152/0x630 [ 77.118867] ? do_raw_spin_trylock+0x190/0x190 [ 77.119327] ? mark_held_locks+0xb2/0x100 [ 77.119736] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 77.120238] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.120729] ? trace_hardirqs_on+0xd/0x10 [ 77.121141] ? ___ratelimit+0x95/0x630 [ 77.121526] ? idr_get_free+0xff0/0xff0 [ 77.121916] ? lock_downgrade+0x990/0x990 [ 77.126119] ? cred_has_capability+0x1a0/0x3d0 [ 77.126521] oom_kill_process+0x86d/0x13d0 [ 77.126990] ? lock_release+0xd70/0xd70 [ 77.127341] ? oom_evaluate_task+0x480/0x480 [ 77.127885] ? security_capable_noaudit+0x8b/0xc0 [ 77.128303] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 77.128870] ? check_noncircular+0x20/0x20 [ 77.129231] ? has_capability+0x30/0x30 [ 77.132823] ? has_capability_noaudit+0x24/0x30 [ 77.133324] ? oom_badness+0xdf/0xb80 [ 77.133659] ? find_held_lock+0x39/0x1d0 [ 77.134020] ? lock_downgrade+0x990/0x990 [ 77.134495] ? out_of_memory+0x851/0x11d0 [ 77.134854] ? oom_reaper+0x4d0/0x4d0 [ 77.135280] ? lock_release+0xd70/0xd70 [ 77.135624] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 77.136059] ? oom_evaluate_task+0x284/0x480 [ 77.136539] out_of_memory+0x7dd/0x11d0 [ 77.136889] ? oom_killer_disable+0x310/0x310 [ 77.137367] ? mutex_trylock+0x23a/0x2d0 [ 77.137718] ? rcu_pm_notify+0xc0/0xc0 [ 77.138056] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 77.138623] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 77.139083] ? warn_alloc+0x2f0/0x2f0 [ 77.139508] ? do_sys_open+0x2e7/0x6d0 [ 77.139847] ? warn_alloc+0x2f0/0x2f0 [ 77.140271] ? save_stack_trace+0x16/0x20 [ 77.140634] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 77.141076] ? check_noncircular+0x20/0x20 [ 77.141540] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 77.141985] ? lock_downgrade+0x990/0x990 [ 77.142446] ? find_held_lock+0x39/0x1d0 [ 77.142811] ? lock_downgrade+0x990/0x990 [ 77.143291] ? check_same_owner+0x320/0x320 [ 77.143669] ? __free_insn_slot+0x5c0/0x5c0 [ 77.144048] ? __might_sleep+0x95/0x190 [ 77.144498] __alloc_pages_nodemask+0x9f7/0xd80 [ 77.144905] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 77.145444] ? __alloc_pages_nodemask+0xae5/0xd80 [ 77.145858] ? find_held_lock+0x39/0x1d0 [ 77.146211] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 77.146754] ? cache_grow_begin+0x31b/0x400 [ 77.147126] cache_grow_begin+0x86/0x400 [ 77.147572] fallback_alloc+0x150/0x2b0 [ 77.147919] ____cache_alloc_node+0x1cf/0x1e0 [ 77.148398] kmem_cache_alloc+0x287/0x760 [ 77.148762] getname_flags+0xcb/0x580 [ 77.149085] ? do_page_fault+0x70/0x70 [ 77.149514] getname+0x19/0x20 [ 77.149788] do_sys_open+0x2e7/0x6d0 [ 77.150114] ? filp_open+0x70/0x70 [ 77.150507] ? entry_SYSCALL_64_fastpath+0x5/0xbe [ 77.153880] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.154435] SyS_open+0x2d/0x40 [ 77.154720] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 77.155125] RIP: 0033:0x7fe6a6e8c120 [ 77.155540] RSP: 002b:00007ffc382f5a98 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 [ 77.156191] RAX: ffffffffffffffda RBX: 0000000001cdaf90 RCX: 00007fe6a6e8c120 [ 77.156900] RDX: 00000000000001b6 RSI: 0000000000080000 RDI: 00007ffc382f5b60 [ 77.157606] RBP: 0000000000000086 R08: 0000000000000008 R09: 0000000000000001 [ 77.158220] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.158927] R13: 00007ffc382f5a40 R14: 000000000041f2d4 R15: ffffffffffffff00 [ 77.159734] Mem-Info: [ 77.161263] active_anon:3091 inactive_anon:41 isolated_anon:0 [ 77.161263] active_file:31 inactive_file:40 isolated_file:14 [ 77.161263] unevictable:0 dirty:0 writeback:0 unstable:0 [ 77.161263] slab_reclaimable:53646 slab_unreclaimable:329774 [ 77.161263] mapped:5 shmem:76 pagetables:298 bounce:0 [ 77.161263] free:17899 free_pcp:144 free_cma:0 [ 77.164304] Node 0 active_anon:6428kB inactive_anon:76kB active_file:160kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):56kB mapped:0kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.171437] Node 1 active_anon:5936kB inactive_anon:88kB active_file:0kB inactive_file:64kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:24kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.174475] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.176928] lowmem_reserve[]: 0 886 886 886 [ 77.177335] Node 0 DMA32 free:36084kB min:36536kB low:45668kB high:54800kB active_anon:6388kB inactive_anon:76kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:508kB bounce:0kB free_pcp:64kB local_pcp:60kB free_cma:0kB [ 77.180405] lowmem_reserve[]: 0 0 0 0 [ 77.180759] Node 1 DMA32 free:31036kB min:30404kB low:38004kB high:45604kB active_anon:5936kB inactive_anon:88kB active_file:132kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:680kB bounce:0kB free_pcp:544kB local_pcp:92kB free_cma:0kB [ 77.183127] lowmem_reserve[]: 0 0 0 0 [ 77.183482] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 77.196565] Node 0 DMA32: 359*4kB (UME) 219*8kB (UME) 166*16kB (UME) 170*32kB (UME) 70*64kB (UM) 20*128kB (M) 8*256kB (UM) 3*512kB (UM) 0*1024kB 5*2048kB (UME) 1*4096kB (M) = 36244kB [ 77.198248] Node 1 DMA32: 193*4kB (UEH) 632*8kB (UMH) 651*16kB (UMH) 243*32kB (UMEH) 103*64kB (UMEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30612kB [ 77.201083] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.201810] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.202670] 203 total pagecache pages [ 77.203019] 0 pages in swap cache [ 77.203322] Swap cache stats: add 0, delete 0, find 0/0 [ 77.203789] Free swap = 0kB [ 77.204069] Total swap = 0kB [ 77.204334] 524186 pages RAM [ 77.204595] 0 pages HighMem/MovableOnly [ 77.204939] 103968 pages reserved [ 77.205258] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 77.206077] [ 1522] 0 1522 7150 1914 20 3 0 -1000 udevd [ 77.208252] [ 2812] 0 2812 5382 171 15 3 0 -1000 udevd [ 77.210492] [ 2955] 0 2955 14265 184 24 3 0 0 rsyslogd [ 77.211373] [ 2990] 0 2990 4725 49 15 3 0 0 cron [ 77.212235] [ 3016] 0 3016 12490 152 28 3 0 -1000 sshd [ 77.213103] [ 3040] 0 3040 3694 41 13 3 0 0 getty [ 77.213918] [ 3041] 0 3041 3694 40 13 3 0 0 getty [ 77.214930] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 77.216046] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 77.216871] [ 3044] 0 3044 3694 40 12 3 0 0 getty [ 77.217738] [ 3045] 0 3045 3694 42 13 3 0 0 getty [ 77.218602] [ 3047] 0 3047 3649 40 13 3 0 0 getty [ 77.219465] [ 3049] 0 3049 5301 104 15 3 0 -1000 udevd [ 77.221844] [ 3069] 0 3069 17820 197 40 3 0 0 sshd [ 77.222807] [ 3072] 0 3072 3076 12 5 2 0 0 syzkaller964221 [ 77.225371] [ 3073] 0 3073 3076 12 5 2 0 0 syzkaller964221 [ 77.226435] [ 3074] 0 3074 3076 12 5 2 0 0 syzkaller964221 [ 77.228959] [ 3075] 0 3075 3076 12 5 2 0 0 syzkaller964221 [ 77.229988] [ 3076] 0 3076 3076 12 5 2 0 0 syzkaller964221 [ 77.232491] [ 3077] 0 3077 3076 12 5 2 0 0 syzkaller964221 [ 77.233952] [ 3078] 0 3078 3076 12 5 2 0 0 syzkaller964221 [ 77.235741] [ 3079] 0 3079 3076 12 5 2 0 0 syzkaller964221 [ 77.237187] Out of memory: Kill process 3069 (sshd) score 0 or sacrifice child [ 77.251260] Killed process 3069 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 77.261184] oom_reaper: reaped process 3069 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB [ 77.359674] syzkaller964221 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 77.360644] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 77.361041] CPU: 1 PID: 3073 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 77.361619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 77.362336] Call Trace: [ 77.362711] dump_stack+0x194/0x257 [ 77.363231] ? arch_local_irq_restore+0x53/0x53 [ 77.363890] ? check_noncircular+0x20/0x20 [ 77.364493] dump_header+0x234/0xa0e [ 77.365037] ? pagefault_out_of_memory+0x152/0x152 [ 77.365994] ? lock_acquire+0x1d5/0x580 [ 77.366564] ? ___ratelimit+0x152/0x630 [ 77.367133] ? do_raw_spin_trylock+0x190/0x190 [ 77.367781] ? mark_held_locks+0xb2/0x100 [ 77.368416] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 77.369147] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.369853] ? trace_hardirqs_on+0xd/0x10 [ 77.370318] ? ___ratelimit+0x95/0x630 [ 77.370663] ? idr_get_free+0xff0/0xff0 [ 77.371011] ? lock_downgrade+0x990/0x990 [ 77.371378] ? cred_has_capability+0x1a0/0x3d0 [ 77.371789] oom_kill_process+0x86d/0x13d0 [ 77.372164] ? lock_release+0xd70/0xd70 [ 77.372520] ? oom_evaluate_task+0x480/0x480 [ 77.372911] ? security_capable_noaudit+0x8b/0xc0 [ 77.373340] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 77.373790] ? check_noncircular+0x20/0x20 [ 77.374169] ? has_capability+0x30/0x30 [ 77.374529] ? has_capability_noaudit+0x24/0x30 [ 77.374941] ? oom_badness+0xdf/0xb80 [ 77.375286] ? find_held_lock+0x39/0x1d0 [ 77.375654] ? lock_downgrade+0x990/0x990 [ 77.376025] ? out_of_memory+0x851/0x11d0 [ 77.376469] ? oom_reaper+0x4d0/0x4d0 [ 77.376811] ? lock_release+0xd70/0xd70 [ 77.377164] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 77.377612] ? oom_evaluate_task+0x284/0x480 [ 77.378005] out_of_memory+0x7dd/0x11d0 [ 77.378371] ? oom_killer_disable+0x310/0x310 [ 77.378765] ? mutex_trylock+0x23a/0x2d0 [ 77.379145] ? rcu_pm_notify+0xc0/0xc0 [ 77.379488] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 77.379974] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 77.380435] ? warn_alloc+0x2f0/0x2f0 [ 77.380773] ? do_sys_open+0x2e7/0x6d0 [ 77.381122] ? warn_alloc+0x2f0/0x2f0 [ 77.381462] ? save_stack_trace+0x16/0x20 [ 77.381836] ? check_noncircular+0x20/0x20 [ 77.382222] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 77.382678] ? lru_cache_add+0x1c7/0x3a0 [ 77.383037] ? lru_cache_add_file+0x20/0x20 [ 77.383416] ? find_held_lock+0x39/0x1d0 [ 77.383798] ? check_same_owner+0x320/0x320 [ 77.384179] ? __might_sleep+0x95/0x190 [ 77.384526] __alloc_pages_nodemask+0x9f7/0xd80 [ 77.384929] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 77.385357] ? __alloc_pages_nodemask+0xae5/0xd80 [ 77.385749] ? find_held_lock+0x39/0x1d0 [ 77.386080] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 77.386503] ? cache_grow_begin+0x31b/0x400 [ 77.386851] cache_grow_begin+0x86/0x400 [ 77.388586] fallback_alloc+0x150/0x2b0 [ 77.388940] ____cache_alloc_node+0x1cf/0x1e0 [ 77.389366] kmem_cache_alloc+0x287/0x760 [ 77.389743] getname_flags+0xcb/0x580 [ 77.390101] ? do_page_fault+0x70/0x70 [ 77.390557] getname+0x19/0x20 [ 77.391117] do_sys_open+0x2e7/0x6d0 [ 77.391768] ? filp_open+0x70/0x70 [ 77.392401] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.393311] SyS_openat+0x30/0x40 [ 77.393936] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 77.394772] RIP: 0033:0x435369 [ 77.395338] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 77.396685] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 77.397889] RDX: 0000000000000000 RSI: 0000000020004ff7 RDI: ffffffffffffff9c [ 77.398589] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 77.399364] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 77.400147] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 77.401371] Mem-Info: [ 77.401783] active_anon:2916 inactive_anon:41 isolated_anon:0 [ 77.401783] active_file:12 inactive_file:26 isolated_file:21 [ 77.401783] unevictable:0 dirty:0 writeback:0 unstable:0 [ 77.401783] slab_reclaimable:53649 slab_unreclaimable:329776 [ 77.401783] mapped:20 shmem:76 pagetables:298 bounce:0 [ 77.401783] free:18030 free_pcp:0 free_cma:0 [ 77.404950] Node 0 active_anon:6428kB inactive_anon:76kB active_file:12kB inactive_file:100kB unevictable:0kB isolated(anon):0kB isolated(file):84kB mapped:0kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.410485] Node 1 active_anon:5236kB inactive_anon:88kB active_file:36kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.415170] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.417631] lowmem_reserve[]: 0 886 886 886 [ 77.418113] Node 0 DMA32 free:36088kB min:36536kB low:45668kB high:54800kB active_anon:6388kB inactive_anon:76kB active_file:20kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1664kB pagetables:508kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.420711] lowmem_reserve[]: 0 0 0 0 [ 77.421093] Node 1 DMA32 free:31904kB min:30404kB low:38004kB high:45604kB active_anon:5432kB inactive_anon:88kB active_file:52kB inactive_file:44kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:680kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.423709] lowmem_reserve[]: 0 0 0 0 [ 77.424086] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 77.425481] Node 0 DMA32: 375*4kB (UME) 219*8kB (UME) 166*16kB (UME) 170*32kB (UME) 70*64kB (UM) 20*128kB (M) 8*256kB (UM) 3*512kB (UM) 0*1024kB 5*2048kB (UME) 1*4096kB (M) = 36308kB [ 77.427067] Node 1 DMA32: 323*4kB (UMEH) 669*8kB (UMEH) 668*16kB (UMEH) 253*32kB (UMEH) 105*64kB (UMEH) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32148kB [ 77.429765] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.430533] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.431301] 138 total pagecache pages [ 77.431635] 0 pages in swap cache [ 77.431966] Swap cache stats: add 0, delete 0, find 0/0 [ 77.432460] Free swap = 0kB [ 77.432730] Total swap = 0kB [ 77.433004] 524186 pages RAM [ 77.433286] 0 pages HighMem/MovableOnly [ 77.433631] 103968 pages reserved [ 77.433945] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 77.434741] [ 1522] 0 1522 7150 1914 20 3 0 -1000 udevd [ 77.435517] [ 2812] 0 2812 5382 171 15 3 0 -1000 udevd [ 77.436303] [ 2955] 0 2955 14265 184 24 3 0 0 rsyslogd [ 77.437110] [ 2990] 0 2990 4725 49 15 3 0 0 cron [ 77.437896] [ 3016] 0 3016 12490 152 28 3 0 -1000 sshd [ 77.439240] [ 3040] 0 3040 3694 41 13 3 0 0 getty [ 77.440804] [ 3041] 0 3041 3694 40 13 3 0 0 getty [ 77.442374] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 77.443354] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 77.444162] [ 3044] 0 3044 3694 40 12 3 0 0 getty [ 77.444939] [ 3045] 0 3045 3694 42 13 3 0 0 getty [ 77.445788] [ 3047] 0 3047 3649 40 13 3 0 0 getty [ 77.446589] [ 3049] 0 3049 5301 104 15 3 0 -1000 udevd [ 77.448142] [ 3069] 0 3069 17820 1 40 3 0 0 sshd [ 77.449004] [ 3072] 0 3072 3076 12 5 2 0 0 syzkaller964221 [ 77.453035] [ 3073] 0 3073 3076 12 5 2 0 0 syzkaller964221 [ 77.453874] [ 3074] 0 3074 3076 12 5 2 0 0 syzkaller964221 [ 77.454739] [ 3075] 0 3075 3076 12 5 2 0 0 syzkaller964221 [ 77.455595] [ 3076] 0 3076 3076 12 5 2 0 0 syzkaller964221 [ 77.456450] [ 3077] 0 3077 3076 12 5 2 0 0 syzkaller964221 [ 77.457304] [ 3078] 0 3078 3076 12 5 2 0 0 syzkaller964221 [ 77.458163] [ 3079] 0 3079 3076 12 5 2 0 0 syzkaller964221 [ 77.458993] Out of memory: Kill process 2955 (rsyslogd) score 0 or sacrifice child [ 77.459708] Killed process 2955 (rsyslogd) total-vm:57060kB, anon-rss:736kB, file-rss:0kB, shmem-rss:0kB [ 77.462422] oom_reaper: reaped process 2955 (rsyslogd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 77.493266] rsyslogd (2958) used greatest stack depth: 12272 bytes left Connection to localhost closed by remote host. [ 77.567342] syzkaller964221 invoked oom-killer: gfp_mask=0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null), order=1, oom_score_adj=0 [ 77.569778] syzkaller964221 cpuset=/ mems_allowed=0-1 [ 77.570805] CPU: 2 PID: 3078 Comm: syzkaller964221 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 77.572370] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 77.573837] Call Trace: [ 77.574120] dump_stack+0x194/0x257 [ 77.574472] ? arch_local_irq_restore+0x53/0x53 [ 77.574925] ? check_noncircular+0x20/0x20 [ 77.575383] dump_header+0x234/0xa0e [ 77.575731] ? pagefault_out_of_memory+0x152/0x152 [ 77.576229] ? lock_acquire+0x1d5/0x580 [ 77.576797] ? ___ratelimit+0x152/0x630 [ 77.577340] ? do_raw_spin_trylock+0x190/0x190 [ 77.578059] ? mark_held_locks+0xb2/0x100 [ 77.579254] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 77.579722] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.580203] ? trace_hardirqs_on+0xd/0x10 [ 77.580582] ? ___ratelimit+0x95/0x630 [ 77.581011] ? idr_get_free+0xff0/0xff0 [ 77.581398] ? lock_downgrade+0x990/0x990 [ 77.581794] ? cred_has_capability+0x1a0/0x3d0 [ 77.582816] oom_kill_process+0x86d/0x13d0 [ 77.583558] ? lock_release+0xd70/0xd70 [ 77.584391] ? oom_evaluate_task+0x480/0x480 [ 77.585166] ? security_capable_noaudit+0x8b/0xc0 [ 77.586024] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 77.586914] ? check_noncircular+0x20/0x20 [ 77.587425] ? has_capability+0x30/0x30 [ 77.587819] ? has_capability_noaudit+0x24/0x30 [ 77.588301] ? oom_badness+0xdf/0xb80 [ 77.588645] ? find_held_lock+0x39/0x1d0 [ 77.589033] ? lock_downgrade+0x990/0x990 [ 77.589409] ? out_of_memory+0x851/0x11d0 [ 77.589795] ? oom_reaper+0x4d0/0x4d0 [ 77.590147] ? lock_release+0xd70/0xd70 [ 77.590501] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 77.590973] ? oom_evaluate_task+0x284/0x480 [ 77.591420] out_of_memory+0x7dd/0x11d0 [ 77.591800] ? oom_killer_disable+0x310/0x310 [ 77.592203] ? mutex_trylock+0x23a/0x2d0 [ 77.592570] ? rcu_pm_notify+0xc0/0xc0 [ 77.592919] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 77.593408] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 77.593871] ? warn_alloc+0x2f0/0x2f0 [ 77.594219] ? do_sys_open+0x2e7/0x6d0 [ 77.594571] ? warn_alloc+0x2f0/0x2f0 [ 77.594914] ? save_stack_trace+0x16/0x20 [ 77.595343] ? check_noncircular+0x20/0x20 [ 77.595728] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 77.596192] ? lru_cache_add+0x1c7/0x3a0 [ 77.596558] ? lru_cache_add_file+0x20/0x20 [ 77.596951] ? find_held_lock+0x39/0x1d0 [ 77.597337] ? check_same_owner+0x320/0x320 [ 77.597730] ? __might_sleep+0x95/0x190 [ 77.598095] __alloc_pages_nodemask+0x9f7/0xd80 [ 77.598517] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 77.599009] ? __alloc_pages_nodemask+0xae5/0xd80 [ 77.599451] ? find_held_lock+0x39/0x1d0 [ 77.600271] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 77.600750] ? cache_grow_begin+0x31b/0x400 [ 77.601166] cache_grow_begin+0x86/0x400 [ 77.601536] fallback_alloc+0x150/0x2b0 [ 77.601916] ____cache_alloc_node+0x1cf/0x1e0 [ 77.602371] kmem_cache_alloc+0x287/0x760 [ 77.602772] getname_flags+0xcb/0x580 [ 77.603181] ? do_page_fault+0x70/0x70 [ 77.603533] getname+0x19/0x20 [ 77.603839] do_sys_open+0x2e7/0x6d0 [ 77.604194] ? filp_open+0x70/0x70 [ 77.604512] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 77.605029] SyS_openat+0x30/0x40 [ 77.605360] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 77.605747] RIP: 0033:0x435369 [ 77.605983] RSP: 002b:00007ffdc40bfb78 EFLAGS: 00000217 ORIG_RAX: 0000000000000101 [ 77.606681] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000435369 [ 77.607394] RDX: 0000000000000000 RSI: 0000000020004ff7 RDI: ffffffffffffff9c [ 77.608061] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 77.608710] R10: 0000000000000000 R11: 0000000000000217 R12: 0000000000000000 [ 77.609343] R13: 0000000000401800 R14: 0000000000401890 R15: 0000000000000000 [ 77.610019] Mem-Info: [ 77.610476] active_anon:2741 inactive_anon:40 isolated_anon:0 [ 77.610476] active_file:7 inactive_file:40 isolated_file:21 [ 77.610476] unevictable:0 dirty:0 writeback:0 unstable:0 [ 77.610476] slab_reclaimable:53650 slab_unreclaimable:329791 [ 77.610476] mapped:2 shmem:75 pagetables:258 bounce:0 [ 77.610476] free:17933 free_pcp:529 free_cma:0 [ 77.613321] Node 0 active_anon:6128kB inactive_anon:76kB active_file:0kB inactive_file:112kB unevictable:0kB isolated(anon):0kB isolated(file):84kB mapped:0kB dirty:0kB writeback:0kB shmem:152kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.615738] Node 1 active_anon:4836kB inactive_anon:84kB active_file:28kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:148kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 77.618023] Node 0 DMA free:4128kB min:640kB low:800kB high:960kB active_anon:40kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.620306] lowmem_reserve[]: 0 886 886 886 [ 77.620747] Node 0 DMA32 free:35964kB min:36536kB low:45668kB high:54800kB active_anon:6388kB inactive_anon:76kB active_file:8kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:1632kB pagetables:508kB bounce:0kB free_pcp:616kB local_pcp:0kB free_cma:0kB [ 77.623486] lowmem_reserve[]: 0 0 0 0 [ 77.623845] Node 1 DMA32 free:32404kB min:30404kB low:38004kB high:45604kB active_anon:4928kB inactive_anon:84kB active_file:44kB inactive_file:96kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:2080kB pagetables:520kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 77.627523] lowmem_reserve[]: 0 0 0 0 [ 77.627898] Node 0 DMA: 6*4kB (UM) 3*8kB (ME) 1*16kB (U) 1*32kB (U) 3*64kB (UME) 2*128kB (ME) 2*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 0*2048kB 0*4096kB = 4128kB [ 77.629412] Node 0 DMA32: 242*4kB (UM) 210*8kB (UME) 162*16kB (UME) 169*32kB (UM) 73*64kB (UM) 22*128kB (M) 8*256kB (UM) 3*512kB (UM) 0*1024kB 5*2048kB (UME) 1*4096kB (M) = 36056kB [ 77.631243] Node 1 DMA32: 315*4kB (UMEH) 652*8kB (UMEH) 669*16kB (UMEH) 265*32kB (UMEH) 105*64kB (UMEH) 3*128kB (MH) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32764kB [ 77.632851] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.633721] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 77.634687] 245 total pagecache pages [ 77.635093] 0 pages in swap cache [ 77.635556] Swap cache stats: add 0, delete 0, find 0/0 [ 77.636139] Free swap = 0kB [ 77.636482] Total swap = 0kB [ 77.636822] 524186 pages RAM [ 77.637248] 0 pages HighMem/MovableOnly [ 77.637600] 103968 pages reserved [ 77.637903] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 77.638735] [ 1522] 0 1522 7150 1914 20 3 0 -1000 udevd [ 77.639638] [ 2812] 0 2812 5383 171 15 3 0 -1000 udevd [ 77.640459] [ 2956] 0 2955 14265 0 24 3 0 0 rs:main Q:Reg [ 77.641370] [ 2990] 0 2990 4725 49 15 3 0 0 cron [ 77.642177] [ 3016] 0 3016 12490 152 28 3 0 -1000 sshd [ 77.643106] [ 3040] 0 3040 3694 41 13 3 0 0 getty [ 77.645360] [ 3041] 0 3041 3694 40 13 3 0 0 getty [ 77.646736] [ 3042] 0 3042 3694 40 13 3 0 0 getty [ 77.648079] [ 3043] 0 3043 3694 40 13 3 0 0 getty [ 77.649507] [ 3044] 0 3044 3694 40 12 3 0 0 getty [ 77.650882] [ 3045] 0 3045 3694 42 13 3 0 0 getty [ 77.656402] [ 3047] 0 3047 3649 40 13 3 0 0 getty [ 77.659505] [ 3049] 0 3049 5301 104 15 3 0 -1000 udevd [ 77.662604] [ 3072] 0 3072 3076 12 5 2 0 0 syzkaller964221 [ 77.663435] [ 3073] 0 3073 3076 12 5 2 0 0 syzkaller964221 [ 77.667492] [ 3074] 0 3074 3076 12 5 2 0 0 syzkaller964221 [ 77.668384] [ 3075] 0 3075 3076 12 5 2 0 0 syzkaller964221 [ 77.669260] [ 3076] 0 3076 3076 12 5 2 0 0 syzkaller964221 [ 77.670142] [ 3077] 0 3077 3076 12 5 2 0 0 syzkaller964221 [ 77.670989] [ 3078] 0 3078 3076 12 5 2 0 0 syzkaller964221 [ 77.671878] [ 3079] 0 3079 3076 12 5 2 0 0 syzkaller964221 [ 77.672825] Out of memory: Kill process 2990 (cron) score 0 or sacrifice child [ 77.673588] Killed process 2990 (cron) total-vm:18900kB, anon-rss:192kB, file-rss:4kB, shmem-rss:0kB [ 77.761560] rs:main Q:Reg (2956) used greatest stack depth: 11472 bytes left