net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz0.router_solicitations = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz7.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program 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: [ 42.673166] hrtimer: interrupt took 3039854 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 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 50.500079] syzkaller026569: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 50.501343] syzkaller026569 cpuset=/ mems_allowed=0-1 [ 50.501919] CPU: 3 PID: 3139 Comm: syzkaller026569 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 50.502629] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 50.503494] Call Trace: [ 50.503780] dump_stack+0x194/0x257 [ 50.504174] ? arch_local_irq_restore+0x53/0x53 [ 50.504615] ? isolate_lru_page+0x11d0/0x11d0 [ 50.505007] ? _find_next_bit+0xee/0x120 [ 50.505367] warn_alloc+0x1c2/0x2f0 [ 50.505689] ? zone_watermark_ok_safe+0x430/0x430 [ 50.506193] ? mutex_unlock+0xd/0x10 [ 50.506626] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 50.507195] ? warn_alloc+0x2f0/0x2f0 [ 50.507570] ? SyS_ioctl+0x8f/0xc0 [ 50.507892] ? warn_alloc+0x2f0/0x2f0 [ 50.508262] ? save_stack_trace+0x16/0x20 [ 50.508645] ? check_noncircular+0x20/0x20 [ 50.509055] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 50.509597] ? find_held_lock+0x39/0x1d0 [ 50.511665] syzkaller026569: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 50.511681] syzkaller026569 cpuset=/ mems_allowed=0-1 [ 50.543383] ? lock_downgrade+0x990/0x990 [ 50.544412] ? check_same_owner+0x320/0x320 [ 50.545413] ? rcu_note_context_switch+0x710/0x710 [ 50.546022] ? check_noncircular+0x20/0x20 [ 50.546498] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 50.547394] ? __might_sleep+0x95/0x190 [ 50.547817] __alloc_pages_nodemask+0x9f7/0xd80 [ 50.548315] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 50.548864] ? __alloc_pages_nodemask+0xae5/0xd80 [ 50.551636] ? find_held_lock+0x39/0x1d0 [ 50.556204] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 50.556785] ? cache_grow_begin+0x31b/0x400 [ 50.557238] cache_grow_begin+0x86/0x400 [ 50.558663] fallback_alloc+0x150/0x2b0 [ 50.559094] ____cache_alloc_node+0x1cf/0x1e0 [ 50.559601] kmem_cache_alloc_trace+0x27d/0x750 [ 50.560089] ? lock_downgrade+0x990/0x990 [ 50.560564] kvm_dev_ioctl+0x216/0x1840 [ 50.561499] ? lock_release+0xd70/0xd70 [ 50.561988] ? install_new_memslots+0x420/0x420 [ 50.562983] ? avc_has_extended_perms+0x7fa/0x12c0 [ 50.565185] ? unwind_get_return_address+0x61/0xa0 [ 50.566699] ? avc_ss_reset+0x110/0x110 [ 50.567112] ? putname+0xee/0x130 [ 50.567832] ? save_stack+0xa3/0xd0 [ 50.568845] ? save_stack_trace+0x16/0x20 [ 50.577408] ? save_stack+0x43/0xd0 [ 50.577818] ? kasan_slab_free+0x71/0xc0 [ 50.580232] ? kmem_cache_free+0x77/0x280 [ 50.580698] ? putname+0xee/0x130 [ 50.581049] ? do_sys_open+0x31b/0x6d0 [ 50.581500] ? __lock_is_held+0xbc/0x140 [ 50.581937] ? check_same_owner+0x320/0x320 [ 50.584072] ? rcu_note_context_switch+0x710/0x710 [ 50.586950] sshd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=0 [ 50.586993] sshd cpuset=/ mems_allowed=0-1 [ 50.593998] ? install_new_memslots+0x420/0x420 [ 50.594480] do_vfs_ioctl+0x1b1/0x1530 [ 50.595888] ? _cond_resched+0x14/0x30 [ 50.596321] ? ioctl_preallocate+0x2b0/0x2b0 [ 50.597881] ? selinux_capable+0x40/0x40 [ 50.598310] ? putname+0xf3/0x130 [ 50.598726] ? security_file_ioctl+0x7d/0xb0 [ 50.612264] ? security_file_ioctl+0x89/0xb0 [ 50.612735] SyS_ioctl+0x8f/0xc0 [ 50.613102] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 50.613590] RIP: 0033:0x43aaa9 [ 50.613920] RSP: 002b:00000000007dfe48 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 50.614789] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 000000000043aaa9 [ 50.620027] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 00000000000002cc [ 50.620749] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 50.621471] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 50.622200] R13: 0000000000402b90 R14: 0000000000402c20 R15: 0000000000000000 [ 50.622958] CPU: 1 PID: 3071 Comm: sshd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 50.623347] Mem-Info: [ 50.623361] active_anon:3286 inactive_anon:41 isolated_anon:0 [ 50.623361] active_file:76 inactive_file:8 isolated_file:0 [ 50.623361] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.623361] slab_reclaimable:53443 slab_unreclaimable:329719 [ 50.623361] mapped:13 shmem:77 pagetables:336 bounce:0 [ 50.623361] free:17754 free_pcp:0 free_cma:0 [ 50.623371] Node 0 active_anon:5856kB inactive_anon:100kB active_file:100kB inactive_file:36kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 50.623427] Node 1 active_anon:7288kB inactive_anon:64kB active_file:204kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:48kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 50.623430] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.623443] lowmem_reserve[]: 0 886 886 886 [ 50.623469] Node 0 DMA32 free:36536kB min:36536kB low:45668kB high:54800kB active_anon:5808kB inactive_anon:100kB active_file:100kB inactive_file:60kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2880kB pagetables:684kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.623483] lowmem_reserve[]: 0 0 0 0 [ 50.623500] Node 1 DMA32 free:30296kB min:30404kB low:38004kB high:45604kB active_anon:7288kB inactive_anon:64kB active_file:500kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1280kB pagetables:660kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.623513] lowmem_reserve[]: 0 0 0 0 [ 50.623527] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 1*16kB (E) 1*32kB (E) 2*64kB (UM) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 50.623606] Node 0 DMA32: 285*4kB (UME) 345*8kB (UM) 146*16kB (UM) 86*32kB (UME) 37*64kB (UM) 15*128kB (ME) 4*256kB (UME) 0*512kB 0*1024kB 1*2048kB (E) 5*4096kB (M) = 36828kB [ 50.623686] Node 1 DMA32: 376*4kB (UME) 208*8kB (UME) 383*16kB (UME) 251*32kB (UME) 136*64kB (UME) 20*128kB (ME) 4*256kB (ME) 2*512kB (ME) 0*1024kB 0*2048kB 0*4096kB = 30640kB [ 50.623766] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.623770] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.623783] 122 total pagecache pages [ 50.623790] 0 pages in swap cache [ 50.623794] Swap cache stats: add 0, delete 0, find 0/0 [ 50.623798] Free swap = 0kB [ 50.623800] Total swap = 0kB [ 50.623804] 524186 pages RAM [ 50.623807] 0 pages HighMem/MovableOnly [ 50.623810] 103968 pages reserved [ 50.676139] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 50.679084] Call Trace: [ 50.684779] dump_stack+0x194/0x257 [ 50.685289] ? arch_local_irq_restore+0x53/0x53 [ 50.686903] ? check_noncircular+0x20/0x20 [ 50.687368] dump_header+0x234/0xa0e [ 50.688902] ? pagefault_out_of_memory+0x152/0x152 [ 50.689426] ? lock_acquire+0x1d5/0x580 [ 50.690970] ? ___ratelimit+0x152/0x630 [ 50.691411] ? do_raw_spin_trylock+0x190/0x190 [ 50.693039] ? mark_held_locks+0xb2/0x100 [ 50.693484] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 50.695064] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 50.695515] ? trace_hardirqs_on+0xd/0x10 [ 50.696071] ? ___ratelimit+0x95/0x630 [ 50.696426] ? idr_get_free+0xff0/0xff0 [ 50.696940] ? lock_downgrade+0x990/0x990 [ 50.697334] oom_kill_process+0x86d/0x13d0 [ 50.697953] ? lock_release+0xd70/0xd70 [ 50.698311] ? cap_capable+0x1b5/0x230 [ 50.698831] ? oom_evaluate_task+0x480/0x480 [ 50.699229] ? security_capable_noaudit+0x8b/0xc0 [ 50.707695] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 50.708817] ? check_noncircular+0x20/0x20 [ 50.709277] ? has_capability+0x30/0x30 [ 50.709757] ? has_capability_noaudit+0x24/0x30 [ 50.710353] ? oom_badness+0xdf/0xb80 [ 50.710804] ? find_held_lock+0x39/0x1d0 [ 50.711361] ? lock_downgrade+0x990/0x990 [ 50.711845] ? out_of_memory+0x851/0x11d0 [ 50.712401] ? oom_reaper+0x4d0/0x4d0 [ 50.712839] ? lock_release+0xd70/0xd70 [ 50.713374] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 50.713974] ? oom_evaluate_task+0x284/0x480 [ 50.714537] out_of_memory+0x7dd/0x11d0 [ 50.714845] ? trace_hardirqs_on+0xd/0x10 [ 50.715463] ? oom_killer_disable+0x310/0x310 [ 50.716211] ? mutex_trylock+0x23a/0x2d0 [ 50.716668] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 50.717379] ? check_same_owner+0x320/0x320 [ 50.717856] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 50.718466] ? warn_alloc+0x2f0/0x2f0 [ 50.719309] ? find_get_pages_tag+0xf40/0xf40 [ 50.719753] ? radix_tree_lookup_slot+0x99/0xe0 [ 50.720229] ? check_noncircular+0x20/0x20 [ 50.720645] ? find_get_entry+0x53c/0x9e0 [ 50.721087] ? lock_downgrade+0x990/0x990 [ 50.721486] ? find_held_lock+0x39/0x1d0 [ 50.721920] ? check_same_owner+0x320/0x320 [ 50.722425] ? __page_cache_alloc+0x165/0x4d0 [ 50.722868] ? __might_sleep+0x95/0x190 [ 50.725302] __alloc_pages_nodemask+0x9f7/0xd80 [ 50.727079] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 50.728137] ? add_to_page_cache_lru+0x510/0x510 [ 50.728683] ? find_held_lock+0x39/0x1d0 [ 50.729091] alloc_pages_current+0xb6/0x1e0 [ 50.729523] __page_cache_alloc+0x358/0x4d0 [ 50.730315] ? rcu_read_lock_held+0xa9/0xc0 [ 50.730777] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 50.732041] filemap_fault+0xf32/0x1d30 [ 50.732599] ? __lock_page_or_retry+0x500/0x500 [ 50.733137] ? filemap_map_pages+0x942/0x15d0 [ 50.733658] ? find_get_entries_tag+0xeb0/0xeb0 [ 50.734162] ? __lock_acquire+0x732/0x4620 [ 50.734659] ? check_noncircular+0x20/0x20 [ 50.735094] ? check_noncircular+0x20/0x20 [ 50.735606] ? lock_acquire+0x1d5/0x580 [ 50.738103] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 50.747878] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 50.748926] ? lock_acquire+0x1d5/0x580 [ 50.749791] ? ext4_filemap_fault+0x7d/0xb0 [ 50.750452] ? lock_release+0xd70/0xd70 [ 50.750862] ? check_same_owner+0x320/0x320 [ 50.751410] ? rcu_note_context_switch+0x710/0x710 [ 50.753283] ? find_held_lock+0x39/0x1d0 [ 50.753755] ? __might_sleep+0x95/0x190 [ 50.754179] ? down_read+0x96/0x150 [ 50.754571] ? ext4_filemap_fault+0x7d/0xb0 [ 50.755041] ? __down_interruptible+0x6a0/0x6a0 [ 50.755519] ? __inode_attach_wb+0xf70/0xf70 [ 50.756219] ? lock_downgrade+0x990/0x990 [ 50.757730] ? lock_downgrade+0x990/0x990 [ 50.758566] ext4_filemap_fault+0x85/0xb0 [ 50.759053] __do_fault+0xeb/0x30f [ 50.759499] ? pte_offset_kernel+0xc7/0xc7 [ 50.759926] ? lock_downgrade+0x990/0x990 [ 50.760365] ? touch_atime+0x157/0x2f0 [ 50.760723] ? fsnotify+0xb6f/0x1af0 [ 50.761228] ? check_noncircular+0x20/0x20 [ 50.761625] __handle_mm_fault+0x1b98/0x39e0 [ 50.762128] ? __pmd_alloc+0x4e0/0x4e0 [ 50.762527] ? lock_downgrade+0x990/0x990 [ 50.762940] ? find_held_lock+0x39/0x1d0 [ 50.763433] ? __lock_is_held+0xbc/0x140 [ 50.763844] handle_mm_fault+0x3bb/0x860 [ 50.764317] ? down_read_trylock+0xdb/0x170 [ 50.764734] ? __handle_mm_fault+0x39e0/0x39e0 [ 50.765322] ? vmacache_find+0x61/0x270 [ 50.766824] ? find_vma+0x30/0x150 [ 50.767490] __do_page_fault+0x4f6/0xb60 [ 50.768038] trace_do_page_fault+0x141/0x730 [ 50.768566] ? do_page_fault+0x70/0x70 [ 50.768981] ? rw_verify_area+0xe5/0x2b0 [ 50.769403] ? __fdget_raw+0x20/0x20 [ 50.769816] ? retint_user+0x18/0x23 [ 50.770212] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 50.770764] do_async_page_fault+0x72/0xc0 [ 50.771172] async_page_fault+0x22/0x30 [ 50.771575] RIP: 0033:0x7f05df5f8650 [ 50.771950] RSP: 002b:00007ffd72e56a28 EFLAGS: 00010206 [ 50.772497] RAX: 00005617de5b0840 RBX: 00007ffd72e56af8 RCX: 00007f05df6c0070 [ 50.773236] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00005617de5b0848 [ 50.773951] RBP: 00007ffd72e56b00 R08: 0000000000000008 R09: 0101010101010101 [ 50.774651] R10: 00000000b406766e R11: 00007f05df5f865c R12: 0000000000000008 [ 50.775344] R13: 00007ffd72e56b08 R14: 0000000000000000 R15: 000000000000000b [ 50.776077] Mem-Info: [ 50.777052] CPU: 2 PID: 3082 Comm: syzkaller026569 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 50.777057] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 50.777060] Call Trace: [ 50.777071] dump_stack+0x194/0x257 [ 50.777083] ? arch_local_irq_restore+0x53/0x53 [ 50.777094] ? isolate_lru_page+0x11d0/0x11d0 [ 50.777100] ? _find_next_bit+0xee/0x120 [ 50.777116] warn_alloc+0x1c2/0x2f0 [ 50.777126] ? zone_watermark_ok_safe+0x430/0x430 [ 50.777132] ? mutex_unlock+0xd/0x10 [ 50.777169] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 50.777240] ? warn_alloc+0x2f0/0x2f0 [ 50.777250] ? SyS_ioctl+0x8f/0xc0 [ 50.777264] ? warn_alloc+0x2f0/0x2f0 [ 50.777275] ? save_stack_trace+0x16/0x20 [ 50.777297] ? check_noncircular+0x20/0x20 [ 50.777317] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 50.777343] ? find_held_lock+0x39/0x1d0 [ 50.777365] ? lock_downgrade+0x990/0x990 [ 50.777400] ? check_same_owner+0x320/0x320 [ 50.777413] ? rcu_note_context_switch+0x710/0x710 [ 50.777420] ? check_noncircular+0x20/0x20 [ 50.777427] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 50.777439] ? __might_sleep+0x95/0x190 [ 50.777452] __alloc_pages_nodemask+0x9f7/0xd80 [ 50.777468] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 50.777476] ? __alloc_pages_nodemask+0xae5/0xd80 [ 50.777485] ? find_held_lock+0x39/0x1d0 [ 50.777496] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 50.777530] ? cache_grow_begin+0x31b/0x400 [ 50.777547] cache_grow_begin+0x86/0x400 [ 50.777562] fallback_alloc+0x150/0x2b0 [ 50.777581] ____cache_alloc_node+0x1cf/0x1e0 [ 50.777596] kmem_cache_alloc_trace+0x27d/0x750 [ 50.777603] ? lock_downgrade+0x990/0x990 [ 50.777625] kvm_dev_ioctl+0x216/0x1840 [ 50.777639] ? lock_release+0xd70/0xd70 [ 50.777649] ? install_new_memslots+0x420/0x420 [ 50.777674] ? avc_has_extended_perms+0x7fa/0x12c0 [ 50.777680] ? unwind_get_return_address+0x61/0xa0 [ 50.777701] ? avc_ss_reset+0x110/0x110 [ 50.777711] ? putname+0xee/0x130 [ 50.777720] ? save_stack+0xa3/0xd0 [ 50.777729] ? save_stack_trace+0x16/0x20 [ 50.777735] ? save_stack+0x43/0xd0 [ 50.777740] ? kasan_slab_free+0x71/0xc0 [ 50.777746] ? kmem_cache_free+0x77/0x280 [ 50.777751] ? putname+0xee/0x130 [ 50.777757] ? do_sys_open+0x31b/0x6d0 [ 50.777769] ? __lock_is_held+0xbc/0x140 [ 50.777798] ? check_same_owner+0x320/0x320 [ 50.777810] ? rcu_note_context_switch+0x710/0x710 [ 50.777828] ? install_new_memslots+0x420/0x420 [ 50.777835] do_vfs_ioctl+0x1b1/0x1530 [ 50.777840] ? _cond_resched+0x14/0x30 [ 50.777855] ? ioctl_preallocate+0x2b0/0x2b0 [ 50.777867] ? selinux_capable+0x40/0x40 [ 50.777876] ? putname+0xf3/0x130 [ 50.777904] ? security_file_ioctl+0x7d/0xb0 [ 50.777910] ? security_file_ioctl+0x89/0xb0 [ 50.777923] SyS_ioctl+0x8f/0xc0 [ 50.777937] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 50.777944] RIP: 0033:0x43aaa9 [ 50.777948] RSP: 002b:00000000007dfe48 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 50.777956] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000000043aaa9 [ 50.777961] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000034a [ 50.777965] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 50.777970] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 50.777974] R13: 0000000000402b90 R14: 0000000000402c20 R15: 0000000000000000 [ 50.832465] active_anon:3286 inactive_anon:41 isolated_anon:0 [ 50.832465] active_file:23 inactive_file:34 isolated_file:16 [ 50.832465] unevictable:0 dirty:0 writeback:0 unstable:0 [ 50.832465] slab_reclaimable:53446 slab_unreclaimable:329617 [ 50.832465] mapped:2 shmem:77 pagetables:336 bounce:0 [ 50.832465] free:17768 free_pcp:218 free_cma:0 [ 50.835436] Node 0 active_anon:5852kB inactive_anon:100kB active_file:4kB inactive_file:48kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 50.838816] Node 1 active_anon:7292kB inactive_anon:64kB active_file:88kB inactive_file:88kB unevictable:0kB isolated(anon):0kB isolated(file):64kB mapped:4kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 50.841493] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 50.845419] lowmem_reserve[]: 0 886 886 886 [ 50.846069] Node 0 DMA32 free:36520kB min:36536kB low:45668kB high:54800kB active_anon:5804kB inactive_anon:100kB active_file:4kB inactive_file:48kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2880kB pagetables:680kB bounce:0kB free_pcp:372kB local_pcp:240kB free_cma:0kB [ 50.850576] lowmem_reserve[]: 0 0 0 0 [ 50.851205] Node 1 DMA32 free:30368kB min:30404kB low:38004kB high:45604kB active_anon:7292kB inactive_anon:64kB active_file:0kB inactive_file:108kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1280kB pagetables:664kB bounce:0kB free_pcp:500kB local_pcp:0kB free_cma:0kB [ 50.855695] lowmem_reserve[]: 0 0 0 0 [ 50.856238] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 1*16kB (E) 1*32kB (E) 2*64kB (UM) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 50.858253] Node 0 DMA32: 222*4kB (UM) 352*8kB (UME) 147*16kB (UM) 86*32kB (UME) 37*64kB (UM) 14*128kB (M) 4*256kB (UME) 0*512kB 0*1024kB 1*2048kB (E) 5*4096kB (M) = 36520kB [ 50.860603] Node 1 DMA32: 292*4kB (UME) 216*8kB (UME) 381*16kB (UME) 250*32kB (UME) 135*64kB (UME) 21*128kB (UME) 4*256kB (ME) 2*512kB (ME) 0*1024kB 0*2048kB 0*4096kB = 30368kB [ 50.862600] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.863519] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 50.864901] 142 total pagecache pages [ 50.865335] 0 pages in swap cache [ 50.865792] Swap cache stats: add 0, delete 0, find 0/0 [ 50.866543] Free swap = 0kB [ 50.866891] Total swap = 0kB [ 50.867293] 524186 pages RAM [ 50.867662] 0 pages HighMem/MovableOnly [ 50.868229] 103968 pages reserved [ 50.868822] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 50.869971] [ 1523] 0 1523 6728 1498 18 3 0 -1000 udevd [ 50.871559] [ 2785] 0 2785 5374 151 14 3 0 -1000 udevd [ 50.873007] [ 2827] 0 2827 2493 574 9 3 0 0 dhclient [ 50.874914] [ 2956] 0 2956 14251 169 23 3 0 0 rsyslogd [ 50.876552] [ 2992] 0 2992 4725 48 15 3 0 0 cron [ 50.878229] [ 3019] 0 3019 12490 153 27 3 0 -1000 sshd [ 50.879876] [ 3043] 0 3043 3694 41 11 3 0 0 getty [ 50.881584] [ 3044] 0 3044 3694 40 13 3 0 0 getty [ 50.883317] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 50.885266] [ 3046] 0 3046 3694 38 13 3 0 0 getty [ 50.886779] [ 3047] 0 3047 5341 143 14 3 0 -1000 udevd [ 50.888568] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 50.890166] [ 3049] 0 3049 3694 40 13 3 0 0 getty [ 50.891873] [ 3050] 0 3050 3649 39 13 3 0 0 getty [ 50.893615] [ 3071] 0 3071 17820 196 40 3 0 0 sshd [ 50.895631] [ 3073] 0 3073 561 1 4 2 0 0 syzkaller026569 [ 50.897522] [ 3074] 0 3074 561 12 4 2 0 0 syzkaller026569 [ 50.899057] [ 3075] 0 3075 561 12 4 2 0 0 syzkaller026569 [ 50.900473] [ 3076] 0 3076 561 12 4 2 0 0 syzkaller026569 [ 50.902274] [ 3077] 0 3077 561 12 4 2 0 0 syzkaller026569 [ 50.904185] [ 3078] 0 3078 561 12 4 2 0 0 syzkaller026569 [ 50.906071] [ 3079] 0 3079 561 12 4 2 0 0 syzkaller026569 [ 50.908047] [ 3080] 0 3080 561 12 4 2 0 0 syzkaller026569 [ 50.910741] [ 3081] 0 3081 561 12 4 2 0 0 syzkaller026569 [ 50.912652] [ 3082] 0 3082 4656 14 5 2 0 0 syzkaller026569 [ 50.914603] [ 3083] 0 3083 4656 14 5 2 0 0 syzkaller026569 [ 50.916736] [ 3090] 0 3090 4656 14 5 2 0 0 syzkaller026569 [ 50.918681] [ 3103] 0 3103 4656 14 5 2 0 0 syzkaller026569 [ 50.920697] [ 3111] 0 3111 4656 14 5 2 0 0 syzkaller026569 [ 50.922727] [ 3122] 0 3122 4656 14 5 2 0 0 syzkaller026569 [ 50.924603] [ 3126] 0 3126 4656 14 5 2 0 0 syzkaller026569 [ 50.926605] [ 3139] 0 3139 4656 14 5 2 0 0 syzkaller026569 [ 50.927586] Out of memory: Kill process 2827 (dhclient) score 1 or sacrifice child [ 50.928741] Killed process 2827 (dhclient) total-vm:9972kB, anon-rss:2296kB, file-rss:0kB, shmem-rss:0kB [ 53.719427] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 53.720514] udevd cpuset=/ mems_allowed=0-1 [ 53.720964] CPU: 3 PID: 1523 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 53.721571] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 53.722269] Call Trace: [ 53.722499] dump_stack+0x194/0x257 [ 53.726193] ? arch_local_irq_restore+0x53/0x53 [ 53.726588] ? check_noncircular+0x20/0x20 [ 53.726945] dump_header+0x234/0xa0e [ 53.727266] ? pagefault_out_of_memory+0x152/0x152 [ 53.727749] ? lock_acquire+0x1d5/0x580 [ 53.728087] ? ___ratelimit+0x152/0x630 [ 53.728426] ? do_raw_spin_trylock+0x190/0x190 [ 53.728801] ? mark_held_locks+0xb2/0x100 [ 53.729151] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 53.729592] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 53.730019] ? trace_hardirqs_on+0xd/0x10 [ 53.730365] ? ___ratelimit+0x95/0x630 [ 53.730690] ? idr_get_free+0xff0/0xff0 [ 53.731041] ? lock_downgrade+0x990/0x990 [ 53.731403] oom_kill_process+0x86d/0x13d0 [ 53.731741] ? lock_release+0xd70/0xd70 [ 53.732097] ? cap_capable+0x1b5/0x230 [ 53.732433] ? oom_evaluate_task+0x480/0x480 [ 53.732818] ? security_capable_noaudit+0x8b/0xc0 [ 53.752035] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 53.752544] ? check_noncircular+0x20/0x20 [ 53.755937] ? has_capability+0x30/0x30 [ 53.756299] ? has_capability_noaudit+0x24/0x30 [ 53.758763] ? oom_badness+0xdf/0xb80 [ 53.759090] ? find_held_lock+0x39/0x1d0 [ 53.759450] ? lock_downgrade+0x990/0x990 [ 53.759837] ? out_of_memory+0x851/0x11d0 [ 53.760200] ? oom_reaper+0x4d0/0x4d0 [ 53.760533] ? lock_release+0xd70/0xd70 [ 53.762017] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 53.762446] ? oom_evaluate_task+0x284/0x480 [ 53.764022] out_of_memory+0x7dd/0x11d0 [ 53.765747] ? oom_killer_disable+0x310/0x310 [ 53.766177] ? mutex_trylock+0x23a/0x2d0 [ 53.766560] ? __lock_is_held+0xbc/0x140 [ 53.766974] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 53.767765] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 53.769309] ? warn_alloc+0x2f0/0x2f0 [ 53.769735] ? find_get_pages_tag+0xf40/0xf40 [ 53.770828] ? radix_tree_lookup_slot+0x99/0xe0 [ 53.771352] ? check_noncircular+0x20/0x20 [ 53.772187] ? find_get_entry+0x53c/0x9e0 [ 53.773041] ? find_held_lock+0x39/0x1d0 [ 53.775477] ? __lock_is_held+0xbc/0x140 [ 53.776175] ? check_same_owner+0x320/0x320 [ 53.777008] ? __page_cache_alloc+0x165/0x4d0 [ 53.777909] ? __might_sleep+0x95/0x190 [ 53.779019] __alloc_pages_nodemask+0x9f7/0xd80 [ 53.779701] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 53.781684] ? add_to_page_cache_lru+0x510/0x510 [ 53.782033] ? find_held_lock+0x39/0x1d0 [ 53.782444] alloc_pages_current+0xb6/0x1e0 [ 53.788090] __page_cache_alloc+0x358/0x4d0 [ 53.788651] ? rcu_read_lock_held+0xa9/0xc0 [ 53.789052] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 53.789952] filemap_fault+0xf32/0x1d30 [ 53.790422] ? unlock_page+0x19f/0x270 [ 53.790769] ? __lock_page_or_retry+0x500/0x500 [ 53.791193] ? filemap_map_pages+0x942/0x15d0 [ 53.791638] ? find_get_entries_tag+0xeb0/0xeb0 [ 53.792077] ? __lock_acquire+0x732/0x4620 [ 53.792487] ? check_noncircular+0x20/0x20 [ 53.792852] ? lock_downgrade+0x990/0x990 [ 53.793233] ? __check_object_size+0x25d/0x4f0 [ 53.793679] ? skb_to_sgvec_nomark+0x40/0x40 [ 53.794097] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.794589] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 53.796125] ? lock_acquire+0x1d5/0x580 [ 53.797256] ? ext4_filemap_fault+0x7d/0xb0 [ 53.797667] ? lock_release+0xd70/0xd70 [ 53.798060] ? check_same_owner+0x320/0x320 [ 53.798440] ? rcu_note_context_switch+0x710/0x710 [ 53.798890] ? find_held_lock+0x39/0x1d0 [ 53.799293] ? __might_sleep+0x95/0x190 [ 53.799643] ? down_read+0x96/0x150 [ 53.800086] ? ext4_filemap_fault+0x7d/0xb0 [ 53.800462] ? __down_interruptible+0x6a0/0x6a0 [ 53.800892] ? lock_downgrade+0x990/0x990 [ 53.801356] ext4_filemap_fault+0x85/0xb0 [ 53.801742] __do_fault+0xeb/0x30f [ 53.802072] ? do_raw_spin_trylock+0x190/0x190 [ 53.802494] ? pte_offset_kernel+0xc7/0xc7 [ 53.802882] ? lock_release+0xd70/0xd70 [ 53.803279] ? check_same_owner+0x320/0x320 [ 53.803669] __handle_mm_fault+0x1b98/0x39e0 [ 53.804123] ? __pmd_alloc+0x4e0/0x4e0 [ 53.804492] ? lock_downgrade+0x990/0x990 [ 53.804880] ? find_held_lock+0x39/0x1d0 [ 53.805284] ? __lock_is_held+0xbc/0x140 [ 53.805667] handle_mm_fault+0x3bb/0x860 [ 53.806103] ? down_read_trylock+0xdb/0x170 [ 53.806505] ? __handle_mm_fault+0x39e0/0x39e0 [ 53.806920] ? vmacache_find+0x61/0x270 [ 53.807311] ? find_vma+0x30/0x150 [ 53.807626] __do_page_fault+0x4f6/0xb60 [ 53.818708] trace_do_page_fault+0x141/0x730 [ 53.822448] ? SyS_sendmmsg+0x60/0x60 [ 53.822783] ? do_page_fault+0x70/0x70 [ 53.823990] ? __sb_end_write+0x9e/0xd0 [ 53.825164] ? retint_user+0x18/0x23 [ 53.826399] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 53.827244] do_async_page_fault+0x72/0xc0 [ 53.828290] async_page_fault+0x22/0x30 [ 53.829374] RIP: 0033:0x7f63a04e7050 [ 53.830157] RSP: 002b:00007ffff021b568 EFLAGS: 00010216 [ 53.831587] RAX: 0000000000000000 RBX: 0000000000000021 RCX: 00007ffff021b656 [ 53.833625] RDX: 0000000000000021 RSI: 00000000004203c8 RDI: 00007ffff021b630 [ 53.834654] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000001 [ 53.835679] R10: 0000000000000000 R11: 2eca0002f8fefef7 R12: 00007ffff021b630 [ 53.836758] R13: 00000000000000d2 R14: 00000000016b71d0 R15: 00000000016b7030 [ 53.838451] Mem-Info: [ 53.857110] active_anon:2709 inactive_anon:42 isolated_anon:0 [ 53.857110] active_file:36 inactive_file:30 isolated_file:0 [ 53.857110] unevictable:0 dirty:0 writeback:0 unstable:0 [ 53.857110] slab_reclaimable:53595 slab_unreclaimable:330167 [ 53.857110] mapped:35 shmem:77 pagetables:323 bounce:0 [ 53.857110] free:17673 free_pcp:37 free_cma:0 [ 53.876262] Node 0 active_anon:3556kB inactive_anon:104kB active_file:64kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):68kB mapped:120kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.880383] Node 1 active_anon:7280kB inactive_anon:64kB active_file:80kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 53.897833] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 53.902940] lowmem_reserve[]: 0 886 886 886 [ 53.903758] Node 0 DMA32 free:36436kB min:36536kB low:45668kB high:54800kB active_anon:3508kB inactive_anon:104kB active_file:88kB inactive_file:0kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2848kB pagetables:660kB bounce:0kB free_pcp:8kB local_pcp:8kB free_cma:0kB [ 53.907980] lowmem_reserve[]: 0 0 0 0 [ 53.918247] Node 1 DMA32 free:29956kB min:30404kB low:38004kB high:45604kB active_anon:7280kB inactive_anon:64kB active_file:128kB inactive_file:8kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1280kB pagetables:632kB bounce:0kB free_pcp:428kB local_pcp:64kB free_cma:0kB [ 53.933692] lowmem_reserve[]: 0 0 0 0 [ 53.934967] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 1*16kB (E) 1*32kB (E) 2*64kB (UM) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 53.939028] Node 0 DMA32: 237*4kB (UME) 326*8kB (UME) 146*16kB (UME) 105*32kB (UME) 52*64kB (UME) 21*128kB (UME) 7*256kB (UME) 2*512kB (UE) 2*1024kB (UE) 0*2048kB 4*4096kB (M) = 36516kB [ 53.941662] Node 1 DMA32: 359*4kB (UM) 233*8kB (UM) 384*16kB (UM) 251*32kB (UM) 135*64kB (UM) 19*128kB (M) 4*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 29572kB [ 53.944209] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.948209] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 53.949588] 204 total pagecache pages [ 53.950277] 0 pages in swap cache [ 53.950781] Swap cache stats: add 0, delete 0, find 0/0 [ 53.951930] Free swap = 0kB [ 53.952477] Total swap = 0kB [ 53.953057] 524186 pages RAM [ 53.953523] 0 pages HighMem/MovableOnly [ 53.954216] 103968 pages reserved [ 53.954781] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 53.956303] [ 1523] 0 1523 6728 1498 18 3 0 -1000 udevd [ 53.957711] [ 2785] 0 2785 5375 150 14 3 0 -1000 udevd [ 53.959185] [ 2956] 0 2956 14251 168 23 3 0 0 rsyslogd [ 53.960714] [ 2992] 0 2992 4725 48 15 3 0 0 cron [ 53.962356] [ 3019] 0 3019 12490 153 27 3 0 -1000 sshd [ 53.963709] [ 3043] 0 3043 3694 41 11 3 0 0 getty [ 53.965202] [ 3044] 0 3044 3694 40 13 3 0 0 getty [ 53.968353] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 53.969643] [ 3046] 0 3046 3694 38 13 3 0 0 getty [ 53.970918] [ 3047] 0 3047 5341 143 14 3 0 -1000 udevd [ 53.972274] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 53.973571] [ 3049] 0 3049 3694 40 13 3 0 0 getty [ 53.974834] [ 3050] 0 3050 3649 39 13 3 0 0 getty [ 53.994450] [ 3071] 0 3071 17820 197 40 3 0 0 sshd [ 53.996906] [ 3073] 0 3073 561 1 4 2 0 0 syzkaller026569 [ 53.998656] [ 3074] 0 3074 561 12 4 2 0 0 syzkaller026569 [ 53.999596] [ 3075] 0 3075 561 12 4 2 0 0 syzkaller026569 [ 54.000445] [ 3076] 0 3076 561 12 4 2 0 0 syzkaller026569 [ 54.001240] [ 3077] 0 3077 561 12 4 2 0 0 syzkaller026569 [ 54.002186] [ 3078] 0 3078 561 12 4 2 0 0 syzkaller026569 [ 54.013412] [ 3079] 0 3079 561 12 4 2 0 0 syzkaller026569 [ 54.021924] [ 3080] 0 3080 561 12 4 2 0 0 syzkaller026569 [ 54.028911] [ 3081] 0 3081 561 12 4 2 0 0 syzkaller026569 [ 54.029754] [ 3082] 0 3082 4656 14 5 2 0 0 syzkaller026569 [ 54.031792] [ 3083] 0 3083 4656 14 4 2 0 0 syzkaller026569 [ 54.032746] [ 3090] 0 3090 4656 14 5 2 0 0 syzkaller026569 [ 54.033772] [ 3103] 0 3103 4656 14 5 2 0 0 syzkaller026569 [ 54.035815] [ 3111] 0 3111 4656 44 4 2 0 0 syzkaller026569 [ 54.038617] [ 3122] 0 3122 4656 14 5 2 0 0 syzkaller026569 [ 54.040638] [ 3126] 0 3126 4656 14 5 2 0 0 syzkaller026569 [ 54.042635] [ 3139] 0 3139 4656 14 5 2 0 0 syzkaller026569 [ 54.044664] Out of memory: Kill process 3071 (sshd) score 0 or sacrifice child [ 54.045631] Killed process 3073 (syzkaller026569) total-vm:2244kB, anon-rss:4kB, file-rss:0kB, shmem-rss:0kB [ 54.367569] syzkaller026569: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 54.368703] syzkaller026569 cpuset=/ mems_allowed=0-1 [ 54.369206] CPU: 2 PID: 3090 Comm: syzkaller026569 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 54.369950] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 54.370657] Call Trace: [ 54.370895] dump_stack+0x194/0x257 [ 54.371216] ? arch_local_irq_restore+0x53/0x53 [ 54.371561] ? flush_work+0x621/0x930 [ 54.371874] warn_alloc+0x1c2/0x2f0 [ 54.372161] ? zone_watermark_ok_safe+0x430/0x430 [ 54.372497] ? mutex_unlock+0xd/0x10 [ 54.374068] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 54.374838] ? warn_alloc+0x2f0/0x2f0 [ 54.375399] ? SyS_ioctl+0x8f/0xc0 [ 54.375918] ? warn_alloc+0x2f0/0x2f0 [ 54.376648] ? save_stack_trace+0x16/0x20 [ 54.377429] ? check_noncircular+0x20/0x20 [ 54.378186] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 54.379136] ? find_held_lock+0x39/0x1d0 [ 54.379925] ? lock_downgrade+0x990/0x990 [ 54.380742] ? check_same_owner+0x320/0x320 [ 54.381571] ? rcu_note_context_switch+0x710/0x710 [ 54.382435] ? check_noncircular+0x20/0x20 [ 54.383267] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 54.384563] ? __might_sleep+0x95/0x190 [ 54.388571] __alloc_pages_nodemask+0x9f7/0xd80 [ 54.389449] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.390345] ? __alloc_pages_nodemask+0xae5/0xd80 [ 54.391205] ? find_held_lock+0x39/0x1d0 [ 54.391958] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.392954] ? cache_grow_begin+0x31b/0x400 [ 54.408615] cache_grow_begin+0x86/0x400 [ 54.408941] fallback_alloc+0x150/0x2b0 [ 54.409264] ____cache_alloc_node+0x1cf/0x1e0 [ 54.409616] kmem_cache_alloc_trace+0x27d/0x750 [ 54.409973] ? lock_downgrade+0x990/0x990 [ 54.410310] kvm_dev_ioctl+0x216/0x1840 [ 54.410623] ? lock_release+0xd70/0xd70 [ 54.410932] ? install_new_memslots+0x420/0x420 [ 54.411312] ? avc_has_extended_perms+0x7fa/0x12c0 [ 54.411689] ? unwind_get_return_address+0x61/0xa0 [ 54.412098] ? avc_ss_reset+0x110/0x110 [ 54.412418] ? putname+0xee/0x130 [ 54.412694] ? save_stack+0xa3/0xd0 [ 54.412986] ? save_stack_trace+0x16/0x20 [ 54.413320] ? save_stack+0x43/0xd0 [ 54.413609] ? kasan_slab_free+0x71/0xc0 [ 54.413931] ? kmem_cache_free+0x77/0x280 [ 54.414264] ? putname+0xee/0x130 [ 54.414539] ? do_sys_open+0x31b/0x6d0 [ 54.414853] ? __lock_is_held+0xbc/0x140 [ 54.415200] ? check_same_owner+0x320/0x320 [ 54.415979] ? rcu_note_context_switch+0x710/0x710 [ 54.416791] ? install_new_memslots+0x420/0x420 [ 54.417587] do_vfs_ioctl+0x1b1/0x1530 [ 54.418326] ? _cond_resched+0x14/0x30 [ 54.419062] ? ioctl_preallocate+0x2b0/0x2b0 [ 54.419849] ? selinux_capable+0x40/0x40 [ 54.420595] ? putname+0xf3/0x130 [ 54.421248] ? security_file_ioctl+0x7d/0xb0 [ 54.422040] ? security_file_ioctl+0x89/0xb0 [ 54.422860] SyS_ioctl+0x8f/0xc0 [ 54.423403] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 54.425217] RIP: 0033:0x43aaa9 [ 54.425781] RSP: 002b:00000000007dfe48 EFLAGS: 00000207 ORIG_RAX: 0000000000000010 [ 54.428475] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000043aaa9 [ 54.433351] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000031e [ 54.435555] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 54.448675] R10: 0000000000000000 R11: 0000000000000207 R12: 0000000000000000 [ 54.449446] R13: 0000000000402b90 R14: 0000000000402c20 R15: 0000000000000000 [ 54.450301] warn_alloc_show_mem: 1 callbacks suppressed [ 54.450862] Mem-Info: [ 54.451456] active_anon:2702 inactive_anon:42 isolated_anon:0 [ 54.451456] active_file:24 inactive_file:6 isolated_file:0 [ 54.451456] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.451456] slab_reclaimable:53595 slab_unreclaimable:330295 [ 54.451456] mapped:6 shmem:77 pagetables:320 bounce:0 [ 54.451456] free:17562 free_pcp:0 free_cma:0 [ 54.454650] Node 0 active_anon:3528kB inactive_anon:104kB active_file:0kB inactive_file:24kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:80kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.458722] Node 1 active_anon:7280kB inactive_anon:64kB active_file:104kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):8kB mapped:0kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 54.463359] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.467932] lowmem_reserve[]: 0 886 886 886 [ 54.468744] Node 0 DMA32 free:36336kB min:36536kB low:45668kB high:54800kB active_anon:3480kB inactive_anon:104kB active_file:96kB inactive_file:140kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2848kB pagetables:648kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.473247] lowmem_reserve[]: 0 0 0 0 [ 54.473791] Node 1 DMA32 free:29728kB min:30404kB low:38004kB high:45604kB active_anon:7280kB inactive_anon:64kB active_file:104kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1248kB pagetables:632kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.477549] lowmem_reserve[]: 0 0 0 0 [ 54.478411] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 1*16kB (E) 1*32kB (E) 2*64kB (UM) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 54.480518] Node 0 DMA32: 281*4kB (UME) 329*8kB (UME) 146*16kB (UME) 105*32kB (UME) 52*64kB (UME) 21*128kB (UME) 7*256kB (UME) 2*512kB (UE) 2*1024kB (UE) 0*2048kB 4*4096kB (M) = 36716kB [ 54.483030] Node 1 DMA32: 452*4kB (UME) 232*8kB (UM) 384*16kB (UM) 252*32kB (UME) 135*64kB (UME) 20*128kB (ME) 4*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30096kB [ 54.485539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.487040] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.488294] 145 total pagecache pages [ 54.488805] 0 pages in swap cache [ 54.489287] Swap cache stats: add 0, delete 0, find 0/0 [ 54.489993] Free swap = 0kB [ 54.490414] Total swap = 0kB [ 54.490819] 524186 pages RAM [ 54.491241] 0 pages HighMem/MovableOnly [ 54.491771] 103968 pages reserved [ 54.768387] udevd invoked oom-killer: gfp_mask=0x14201ca(GFP_HIGHUSER_MOVABLE|__GFP_COLD), nodemask=(null), order=0, oom_score_adj=-1000 [ 54.769353] udevd cpuset=/ mems_allowed=0-1 [ 54.769670] CPU: 2 PID: 2785 Comm: udevd Not tainted 4.13.0-rc6-next-20170823+ #7 [ 54.770184] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 54.770735] Call Trace: [ 54.770920] dump_stack+0x194/0x257 [ 54.771174] ? arch_local_irq_restore+0x53/0x53 [ 54.771497] ? check_noncircular+0x20/0x20 [ 54.771795] dump_header+0x234/0xa0e [ 54.776142] ? pagefault_out_of_memory+0x152/0x152 [ 54.778642] ? lock_acquire+0x1d5/0x580 [ 54.778992] ? ___ratelimit+0x152/0x630 [ 54.779402] ? do_raw_spin_trylock+0x190/0x190 [ 54.779801] ? mark_held_locks+0xb2/0x100 [ 54.780224] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 54.780664] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 54.781128] ? trace_hardirqs_on+0xd/0x10 [ 54.781527] ? ___ratelimit+0x95/0x630 [ 54.782394] ? idr_get_free+0xff0/0xff0 [ 54.784132] ? lock_downgrade+0x990/0x990 [ 54.785229] oom_kill_process+0x86d/0x13d0 [ 54.785537] ? lock_release+0xd70/0xd70 [ 54.785875] ? cap_capable+0x1b5/0x230 [ 54.786163] ? oom_evaluate_task+0x480/0x480 [ 54.786507] ? security_capable_noaudit+0x8b/0xc0 [ 54.787660] ? has_ns_capability_noaudit+0x18c/0x2a0 [ 54.788163] ? check_noncircular+0x20/0x20 [ 54.788530] ? has_capability+0x30/0x30 [ 54.788929] ? has_capability_noaudit+0x24/0x30 [ 54.789350] ? oom_badness+0xdf/0xb80 [ 54.789686] ? find_held_lock+0x39/0x1d0 [ 54.790096] ? lock_downgrade+0x990/0x990 [ 54.790476] ? out_of_memory+0x851/0x11d0 [ 54.790832] ? oom_reaper+0x4d0/0x4d0 [ 54.791223] ? lock_release+0xd70/0xd70 [ 54.795130] ? __alloc_pages_slowpath+0x10f6/0x2ee0 [ 54.796073] ? oom_evaluate_task+0x284/0x480 [ 54.800009] out_of_memory+0x7dd/0x11d0 [ 54.800850] ? oom_killer_disable+0x310/0x310 [ 54.801238] ? mutex_trylock+0x23a/0x2d0 [ 54.802014] ? __lock_is_held+0xbc/0x140 [ 54.802392] ? __ww_mutex_wakeup_for_backoff+0x240/0x240 [ 54.802898] __alloc_pages_slowpath+0x1eae/0x2ee0 [ 54.803368] ? warn_alloc+0x2f0/0x2f0 [ 54.803696] ? find_get_pages_tag+0xf40/0xf40 [ 54.804508] ? check_noncircular+0x20/0x20 [ 54.804916] ? find_get_entry+0x53c/0x9e0 [ 54.805317] ? lock_downgrade+0x990/0x990 [ 54.805681] ? find_held_lock+0x39/0x1d0 [ 54.806085] ? __lock_is_held+0xbc/0x140 [ 54.806472] ? check_same_owner+0x320/0x320 [ 54.806874] ? __page_cache_alloc+0x165/0x4d0 [ 54.807448] ? __might_sleep+0x95/0x190 [ 54.807800] __alloc_pages_nodemask+0x9f7/0xd80 [ 54.808291] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 54.808714] ? add_to_page_cache_lru+0x510/0x510 [ 54.809375] ? find_held_lock+0x39/0x1d0 [ 54.809749] alloc_pages_current+0xb6/0x1e0 [ 54.810282] __page_cache_alloc+0x358/0x4d0 [ 54.810662] ? rcu_read_lock_held+0xa9/0xc0 [ 54.811140] ? trace_event_raw_event_file_check_and_advance_wb_err+0x490/0x490 [ 54.812120] filemap_fault+0xf32/0x1d30 [ 54.816576] ? __lock_page_or_retry+0x500/0x500 [ 54.818044] ? filemap_map_pages+0x942/0x15d0 [ 54.818485] ? find_get_entries_tag+0xeb0/0xeb0 [ 54.818893] ? __lock_acquire+0x732/0x4620 [ 54.821922] ? check_noncircular+0x20/0x20 [ 54.822308] ? page_add_new_anon_rmap+0x750/0x750 [ 54.822751] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 54.826168] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 54.826636] ? lock_acquire+0x1d5/0x580 [ 54.826992] ? ext4_filemap_fault+0x7d/0xb0 [ 54.827387] ? lock_release+0xd70/0xd70 [ 54.827741] ? check_same_owner+0x320/0x320 [ 54.828140] ? rcu_note_context_switch+0x710/0x710 [ 54.828571] ? find_held_lock+0x39/0x1d0 [ 54.828935] ? __might_sleep+0x95/0x190 [ 54.829298] ? down_read+0x96/0x150 [ 54.829614] ? ext4_filemap_fault+0x7d/0xb0 [ 54.829998] ? __down_interruptible+0x6a0/0x6a0 [ 54.830415] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 54.830851] ext4_filemap_fault+0x85/0xb0 [ 54.831220] __do_fault+0xeb/0x30f [ 54.831536] ? pte_offset_kernel+0xc7/0xc7 [ 54.831924] ? check_noncircular+0x20/0x20 [ 54.832316] __handle_mm_fault+0x1b98/0x39e0 [ 54.832713] ? __pmd_alloc+0x4e0/0x4e0 [ 54.833056] ? lock_downgrade+0x990/0x990 [ 54.833427] ? find_held_lock+0x39/0x1d0 [ 54.833796] ? __lock_is_held+0xbc/0x140 [ 54.837674] handle_mm_fault+0x3bb/0x860 [ 54.838040] ? down_read_trylock+0xdb/0x170 [ 54.838432] ? __handle_mm_fault+0x39e0/0x39e0 [ 54.838829] ? vmacache_find+0x61/0x270 [ 54.839192] ? find_vma+0x30/0x150 [ 54.839512] __do_page_fault+0x4f6/0xb60 [ 54.839881] trace_do_page_fault+0x141/0x730 [ 54.840289] ? do_page_fault+0x70/0x70 [ 54.840631] ? rw_verify_area+0xe5/0x2b0 [ 54.842996] ? __fdget_raw+0x20/0x20 [ 54.846913] ? retint_user+0x18/0x23 [ 54.853507] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 54.853852] do_async_page_fault+0x72/0xc0 [ 54.854150] async_page_fault+0x22/0x30 [ 54.854495] RIP: 0033:0x7f63a04e01b0 [ 54.854813] RSP: 002b:00007ffff02186e8 EFLAGS: 00010213 [ 54.873064] RAX: 0000000000000001 RBX: 00000000016c7510 RCX: 00007f63a0e29009 [ 54.873908] RDX: 0000000000000008 RSI: 00007f63a0e29001 RDI: 00007ffff0218b91 [ 54.874662] RBP: 0000000000000008 R08: 00000000ffffffff R09: 0000000000000000 [ 54.876882] R10: 0000000000000022 R11: 0000000000000246 R12: 000000000000000a [ 54.877513] R13: 000000000000001e R14: 00007f63a0e29001 R15: 00007ffff0218b91 [ 54.878169] Mem-Info: [ 54.880867] active_anon:2703 inactive_anon:42 isolated_anon:0 [ 54.880867] active_file:36 inactive_file:0 isolated_file:0 [ 54.880867] unevictable:0 dirty:0 writeback:0 unstable:0 [ 54.880867] slab_reclaimable:53610 slab_unreclaimable:330292 [ 54.880867] mapped:2 shmem:77 pagetables:321 bounce:0 [ 54.880867] free:17687 free_pcp:124 free_cma:0 [ 54.887211] Node 0 active_anon:3532kB inactive_anon:104kB active_file:40kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 54.890626] Node 1 active_anon:7280kB inactive_anon:64kB active_file:104kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:172kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 54.899453] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.907657] lowmem_reserve[]: 0 886 886 886 [ 54.908209] Node 0 DMA32 free:36460kB min:36536kB low:45668kB high:54800kB active_anon:3484kB inactive_anon:104kB active_file:40kB inactive_file:152kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2848kB pagetables:652kB bounce:0kB free_pcp:484kB local_pcp:120kB free_cma:0kB [ 54.936088] lowmem_reserve[]: 0 0 0 0 [ 54.936863] Node 1 DMA32 free:30104kB min:30404kB low:38004kB high:45604kB active_anon:7280kB inactive_anon:64kB active_file:220kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1248kB pagetables:632kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 54.939664] lowmem_reserve[]: 0 0 0 0 [ 54.941028] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 1*16kB (E) 1*32kB (E) 2*64kB (UM) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 54.942656] Node 0 DMA32: 269*4kB (UME) 328*8kB (UME) 146*16kB (UME) 105*32kB (UME) 52*64kB (UME) 21*128kB (UME) 7*256kB (UME) 2*512kB (UE) 2*1024kB (UE) 0*2048kB 4*4096kB (M) = 36660kB [ 54.947178] Node 1 DMA32: 455*4kB (UME) 233*8kB (UM) 384*16kB (UM) 252*32kB (UME) 135*64kB (UME) 20*128kB (ME) 4*256kB (UM) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30116kB [ 54.951297] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.957721] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 54.962031] 161 total pagecache pages [ 54.962502] 0 pages in swap cache [ 54.963811] Swap cache stats: add 0, delete 0, find 0/0 [ 54.964875] Free swap = 0kB [ 54.965289] Total swap = 0kB [ 54.965660] 524186 pages RAM [ 54.966059] 0 pages HighMem/MovableOnly [ 54.966525] 103968 pages reserved [ 54.966939] [ pid ] uid tgid total_vm rss nr_ptes nr_pmds swapents oom_score_adj name [ 54.968078] [ 1523] 0 1523 6728 1498 18 3 0 -1000 udevd [ 54.969506] [ 2785] 0 2785 5375 150 14 3 0 -1000 udevd [ 54.971877] [ 2956] 0 2956 14251 168 23 3 0 0 rsyslogd [ 54.974009] [ 2992] 0 2992 4725 48 15 3 0 0 cron [ 54.976391] [ 3019] 0 3019 12490 153 27 3 0 -1000 sshd [ 54.987163] [ 3043] 0 3043 3694 41 11 3 0 0 getty [ 54.988575] [ 3044] 0 3044 3694 40 13 3 0 0 getty [ 54.990415] [ 3045] 0 3045 3694 41 13 3 0 0 getty [ 54.991669] [ 3046] 0 3046 3694 38 13 3 0 0 getty [ 54.993821] [ 3047] 0 3047 5341 143 14 3 0 -1000 udevd [ 54.994856] [ 3048] 0 3048 3694 40 13 3 0 0 getty [ 54.996000] [ 3049] 0 3049 3694 40 13 3 0 0 getty [ 54.997176] [ 3050] 0 3050 3649 39 13 3 0 0 getty [ 54.998303] [ 3071] 0 3071 17820 197 40 3 0 0 sshd [ 55.002551] [ 3074] 0 3074 561 12 4 2 0 0 syzkaller026569 [ 55.003683] [ 3075] 0 3075 561 12 4 2 0 0 syzkaller026569 [ 55.006594] [ 3076] 0 3076 561 12 4 2 0 0 syzkaller026569 [ 55.010675] [ 3077] 0 3077 561 12 4 2 0 0 syzkaller026569 [ 55.012733] [ 3078] 0 3078 561 12 4 2 0 0 syzkaller026569 [ 55.014095] [ 3079] 0 3079 561 12 4 2 0 0 syzkaller026569 [ 55.015702] [ 3080] 0 3080 561 12 4 2 0 0 syzkaller026569 [ 55.020173] [ 3081] 0 3081 561 12 4 2 0 0 syzkaller026569 [ 55.021910] [ 3082] 0 3082 4656 14 5 2 0 0 syzkaller026569 [ 55.023584] [ 3083] 0 3083 4656 14 4 2 0 0 syzkaller026569 [ 55.024793] [ 3090] 0 3090 4656 14 5 2 0 0 syzkaller026569 [ 55.026041] [ 3103] 0 3103 4656 62 5 2 0 0 syzkaller026569 [ 55.028694] [ 3111] 0 3111 4656 14 4 2 0 0 syzkaller026569 [ 55.030359] [ 3122] 0 3122 4656 14 5 2 0 0 syzkaller026569 [ 55.032290] [ 3126] 0 3126 4656 14 5 2 0 0 syzkaller026569 [ 55.038361] [ 3139] 0 3139 4656 14 5 2 0 0 syzkaller026569 [ 55.039547] Out of memory: Kill process 3071 (sshd) score 0 or sacrifice child [ 55.040985] Killed process 3071 (sshd) total-vm:71280kB, anon-rss:784kB, file-rss:0kB, shmem-rss:4kB [ 55.048364] oom_reaper: reaped process 3071 (sshd), now anon-rss:0kB, file-rss:0kB, shmem-rss:4kB Connection to localhost closed by remote host. [ 55.195931] sshd (3071) used greatest stack depth: 11120 bytes left [ 55.767059] syzkaller026569: page allocation failure: order:5, mode:0x16040c0(GFP_KERNEL|__GFP_COMP|__GFP_NOTRACK), nodemask=(null) [ 55.769144] syzkaller026569 cpuset=/ mems_allowed=0-1 [ 55.770041] CPU: 2 PID: 3083 Comm: syzkaller026569 Not tainted 4.13.0-rc6-next-20170823+ #7 [ 55.771446] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 [ 55.772802] Call Trace: [ 55.773250] dump_stack+0x194/0x257 [ 55.773883] ? arch_local_irq_restore+0x53/0x53 [ 55.774646] ? flush_work+0x621/0x930 [ 55.775282] warn_alloc+0x1c2/0x2f0 [ 55.775917] ? zone_watermark_ok_safe+0x430/0x430 [ 55.792722] ? mutex_unlock+0xd/0x10 [ 55.793093] __alloc_pages_slowpath+0x26ce/0x2ee0 [ 55.793510] ? warn_alloc+0x2f0/0x2f0 [ 55.793779] ? SyS_ioctl+0x8f/0xc0 [ 55.794041] ? warn_alloc+0x2f0/0x2f0 [ 55.794361] ? save_stack_trace+0x16/0x20 [ 55.794660] ? check_noncircular+0x20/0x20 [ 55.794965] ? debug_check_no_locks_freed+0x3d0/0x3d0 [ 55.795397] ? find_held_lock+0x39/0x1d0 [ 55.795691] ? lock_downgrade+0x990/0x990 [ 55.796006] ? check_same_owner+0x320/0x320 [ 55.796334] ? rcu_note_context_switch+0x710/0x710 [ 55.796702] ? check_noncircular+0x20/0x20 [ 55.797076] ? __fsnotify_update_child_dentry_flags.part.2+0x2a0/0x2a0 [ 55.797807] ? __might_sleep+0x95/0x190 [ 55.798374] __alloc_pages_nodemask+0x9f7/0xd80 [ 55.799008] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.799687] ? __alloc_pages_nodemask+0xae5/0xd80 [ 55.800372] ? find_held_lock+0x39/0x1d0 [ 55.800910] ? __alloc_pages_slowpath+0x2ee0/0x2ee0 [ 55.801599] ? cache_grow_begin+0x31b/0x400 [ 55.802236] cache_grow_begin+0x86/0x400 [ 55.802767] fallback_alloc+0x150/0x2b0 [ 55.803323] ____cache_alloc_node+0x1cf/0x1e0 [ 55.803930] kmem_cache_alloc_trace+0x27d/0x750 [ 55.804560] ? lock_downgrade+0x990/0x990 [ 55.805133] kvm_dev_ioctl+0x216/0x1840 [ 55.805668] ? lock_release+0xd70/0xd70 [ 55.806208] ? install_new_memslots+0x420/0x420 [ 55.807410] ? avc_has_extended_perms+0x7fa/0x12c0 [ 55.808793] ? unwind_get_return_address+0x61/0xa0 [ 55.809952] ? avc_ss_reset+0x110/0x110 [ 55.810703] ? putname+0xee/0x130 [ 55.811278] ? save_stack+0xa3/0xd0 [ 55.811834] ? save_stack_trace+0x16/0x20 [ 55.812517] ? save_stack+0x43/0xd0 [ 55.813130] ? kasan_slab_free+0x71/0xc0 [ 55.813901] ? kmem_cache_free+0x77/0x280 [ 55.814738] ? putname+0xee/0x130 [ 55.815442] ? do_sys_open+0x31b/0x6d0 [ 55.816256] ? __lock_is_held+0xbc/0x140 [ 55.817070] ? check_same_owner+0x320/0x320 [ 55.828415] ? rcu_note_context_switch+0x710/0x710 [ 55.829335] ? install_new_memslots+0x420/0x420 [ 55.830120] do_vfs_ioctl+0x1b1/0x1530 [ 55.830861] ? _cond_resched+0x14/0x30 [ 55.831417] ? ioctl_preallocate+0x2b0/0x2b0 [ 55.832138] ? selinux_capable+0x40/0x40 [ 55.832910] ? putname+0xf3/0x130 [ 55.833492] ? security_file_ioctl+0x7d/0xb0 [ 55.834163] ? security_file_ioctl+0x89/0xb0 [ 55.834781] SyS_ioctl+0x8f/0xc0 [ 55.835926] entry_SYSCALL_64_fastpath+0x1f/0xbe [ 55.837076] RIP: 0033:0x43aaa9 [ 55.838444] RSP: 002b:00000000007dfe48 EFLAGS: 00000203 ORIG_RAX: 0000000000000010 [ 55.841283] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 000000000043aaa9 [ 55.842598] RDX: 0000000000000000 RSI: 000000000000ae01 RDI: 000000000000030e [ 55.846592] RBP: 0000000000000086 R08: 0000000000000000 R09: 0000000000000000 [ 55.847680] R10: 0000000000000000 R11: 0000000000000203 R12: 0000000000000000 [ 55.851269] R13: 0000000000402b90 R14: 0000000000402c20 R15: 0000000000000000 [ 55.852339] Mem-Info: [ 55.856682] active_anon:2508 inactive_anon:41 isolated_anon:0 [ 55.856682] active_file:28 inactive_file:16 isolated_file:27 [ 55.856682] unevictable:0 dirty:0 writeback:0 unstable:0 [ 55.856682] slab_reclaimable:53677 slab_unreclaimable:330379 [ 55.856682] mapped:7 shmem:76 pagetables:282 bounce:0 [ 55.856682] free:17699 free_pcp:62 free_cma:0 [ 55.862533] Node 0 active_anon:3524kB inactive_anon:104kB active_file:24kB inactive_file:120kB unevictable:0kB isolated(anon):0kB isolated(file):112kB mapped:4kB dirty:0kB writeback:0kB shmem:136kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.871840] Node 1 active_anon:6508kB inactive_anon:60kB active_file:52kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:12kB dirty:0kB writeback:0kB shmem:168kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 55.875629] Node 0 DMA free:4184kB min:640kB low:800kB high:960kB active_anon:48kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.882404] lowmem_reserve[]: 0 886 886 886 [ 55.882849] Node 0 DMA32 free:36600kB min:36536kB low:45668kB high:54800kB active_anon:3476kB inactive_anon:104kB active_file:20kB inactive_file:40kB unevictable:0kB writepending:0kB present:1032192kB managed:909748kB mlocked:0kB kernel_stack:2816kB pagetables:644kB bounce:0kB free_pcp:312kB local_pcp:108kB free_cma:0kB [ 55.885557] lowmem_reserve[]: 0 0 0 0 [ 55.885924] Node 1 DMA32 free:30240kB min:30404kB low:38004kB high:45604kB active_anon:6508kB inactive_anon:60kB active_file:0kB inactive_file:168kB unevictable:0kB writepending:0kB present:1048560kB managed:755216kB mlocked:0kB kernel_stack:1248kB pagetables:484kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 55.902668] lowmem_reserve[]: 0 0 0 0 [ 55.903248] Node 0 DMA: 4*4kB (UME) 3*8kB (UME) 1*16kB (E) 1*32kB (E) 2*64kB (UM) 1*128kB (M) 1*256kB (M) 1*512kB (M) 3*1024kB (UME) 0*2048kB 0*4096kB = 4184kB [ 55.905423] Node 0 DMA32: 155*4kB (UM) 325*8kB (UME) 147*16kB (UME) 105*32kB (UME) 51*64kB (UM) 21*128kB (UME) 7*256kB (UME) 2*512kB (UE) 2*1024kB (UE) 0*2048kB 4*4096kB (M) = 36132kB [ 55.907917] Node 1 DMA32: 468*4kB (UME) 264*8kB (UM) 437*16kB (UM) 277*32kB (UME) 135*64kB (UM) 16*128kB (M) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 30528kB [ 55.910759] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.913764] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 55.914954] 181 total pagecache pages [ 55.915500] 0 pages in swap cache [ 55.915983] Swap cache stats: add 0, delete 0, find 0/0 [ 55.916742] Free swap = 0kB [ 55.917177] Total swap = 0kB [ 55.917611] 524186 pages RAM [ 55.918045] 0 pages HighMem/MovableOnly [ 55.918598] 103968 pages reserved [ 56.176550] syzkaller026569 invoked oom-killer: gfp_mask=0x16040d0(GFP_KERNEL|__GFP_COMP|__GFP_RECLAIMABLE|__GFP_NOTRACK), nodemask=(null), order=0, oom_score_adj=0