R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c (null) ============================= syz-executor.2 cpuset= WARNING: suspicious RCU usage syz2 mems_allowed=0-1 CPU: 0 PID: 11988 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 4.14.171-syzkaller #0 Not tainted Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 ----------------------------- alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 net/sched/act_sample.c:95 suspicious rcu_dereference_protected() usage! kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 1 lock held by syz-executor.1/11983: vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 #0: RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: ( active_anon:837706 inactive_anon:4834 isolated_anon:0 active_file:14326 inactive_file:7135 isolated_file:0 unevictable:0 dirty:249 writeback:0 unstable:0 slab_reclaimable:17881 slab_unreclaimable:152095 mapped:59407 shmem:255 pagetables:16972 bounce:0 free:471305 free_pcp:493 free_cma:0 rtnl_mutex Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:120kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes ){+.+.} Node 1 active_anon:1429944kB inactive_anon:18552kB active_file:55448kB inactive_file:25416kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26892kB dirty:876kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB , at: [] rtnl_lock net/core/rtnetlink.c:72 [inline] , at: [] rtnetlink_rcv_msg+0x339/0xb70 net/core/rtnetlink.c:4310 stack backtrace: lowmem_reserve[]: CPU: 1 PID: 11983 Comm: syz-executor.1 Not tainted 4.14.171-syzkaller #0 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 lockdep_rcu_suspicious+0x153/0x15d kernel/locking/lockdep.c:4665 tcf_sample_init+0x783/0x960 net/sched/act_sample.c:95 tcf_action_init_1+0x53c/0xaa0 net/sched/act_api.c:682 tcf_action_init+0x2ab/0x480 net/sched/act_api.c:751 tcf_action_add net/sched/act_api.c:1079 [inline] tc_ctl_action+0x30a/0x548 net/sched/act_api.c:1131 rtnetlink_rcv_msg+0x3da/0xb70 net/core/rtnetlink.c:4315 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 rtnetlink_rcv+0x1d/0x30 net/core/rtnetlink.c:4327 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x44d/0x650 net/netlink/af_netlink.c:1312 netlink_sendmsg+0x7c4/0xc60 net/netlink/af_netlink.c:1877 sock_sendmsg_nosec net/socket.c:646 [inline] sock_sendmsg+0xce/0x110 net/socket.c:656 ___sys_sendmsg+0x70a/0x840 net/socket.c:2062 __sys_sendmsg+0xb9/0x140 net/socket.c:2096 SYSC_sendmsg net/socket.c:2107 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2103 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f39eeb7ec78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 00007f39eeb7f6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 0000000020002980 RDI: 0000000000000003 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000000009fa R14: 00000000004cc6eb R15: 000000000076bf2c encrypted_key: insufficient parameters specified 2569 2569 2569 2569 Node 0 DMA32 free:31312kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:2996kB unevictable:0kB writepending:120kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:592kB local_pcp:128kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:1844736kB min:53504kB low:66880kB high:80256kB active_anon:1429696kB inactive_anon:18544kB active_file:55448kB inactive_file:25468kB unevictable:0kB writepending:928kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:13824kB pagetables:27916kB bounce:0kB free_pcp:1308kB local_pcp:616kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 12*4kB (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 661*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31336kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 257*4kB (UME) 192*8kB (UME) 736*16kB (UME) 324*32kB (UME) 146*64kB (UME) 30*128kB (UM) 21*256kB (UME) 16*512kB (UM) 2*1024kB (M) 3*2048kB (UME) 436*4096kB (M) = 1845508kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21731 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335854 pages reserved 0 pages cma reserved warn_alloc: 1 callbacks suppressed syz-executor.1: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.1 cpuset=syz1 mems_allowed=0-1 CPU: 0 PID: 12047 Comm: syz-executor.1 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 syz-executor.3: __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 page allocation failure: order:0 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 (null) syz-executor.3 cpuset= vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 syz3 RSP: 002b:00007f39eeb7ec78 EFLAGS: 00000246 mems_allowed=0-1 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f39eeb7f6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: CPU: 1 PID: 12057 Comm: syz-executor.3 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 syz-executor.5: __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 page allocation failure: order:0 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 (null) syz-executor.5 cpuset= vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 syz5 mems_allowed=0-1 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 active_anon:837673 inactive_anon:4833 isolated_anon:0 active_file:14326 inactive_file:7137 isolated_file:0 unevictable:0 dirty:265 writeback:0 unstable:0 slab_reclaimable:17859 slab_unreclaimable:152640 mapped:59410 shmem:255 pagetables:16942 bounce:0 free:470740 free_pcp:365 free_cma:0 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f0403acdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:120kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes RAX: ffffffffffffffda RBX: 00007f0403ace6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff Node 1 active_anon:1430012kB inactive_anon:18548kB active_file:55448kB inactive_file:25480kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26904kB dirty:940kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c CPU: 1 PID: 12046 Comm: syz-executor.5 Not tainted 4.14.171-syzkaller #0 Node 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 lowmem_reserve[]: alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 0 2569 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 2569 2569 2569 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 Node 0 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f7d63f6dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7d63f6e6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c syz-executor.3: DMA32 free:31336kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB writepending:120kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:632kB local_pcp:156kB free_cma:0kB syz-executor.2: lowmem_reserve[]: page allocation failure: order:0 0 page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) 0 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.2 cpuset=syz2 mems_allowed=0-1 0 syz-executor.3 cpuset= 0 syz3 mems_allowed=0-1 CPU: 1 PID: 12057 Comm: syz-executor.3 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 0 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 Node 0 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 lowmem_reserve[]: 0 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 0 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f0403acdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0403ace6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c CPU: 1 PID: 12054 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 0 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 0 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 Node 1 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 Normal free:1841572kB min:53504kB low:66880kB high:80256kB active_anon:1429988kB inactive_anon:18544kB active_file:55448kB inactive_file:25492kB unevictable:0kB writepending:924kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14016kB pagetables:27980kB bounce:0kB free_pcp:1268kB local_pcp:612kB free_cma:0kB SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 lowmem_reserve[]: entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 0 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: 0 active_anon:837667 inactive_anon:4832 isolated_anon:0 active_file:14326 inactive_file:7140 isolated_file:0 unevictable:0 dirty:261 writeback:0 unstable:0 slab_reclaimable:17848 slab_unreclaimable:152735 mapped:59415 shmem:255 pagetables:16899 bounce:0 free:470823 free_pcp:469 free_cma:0 0 Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:120kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes 0 Node 1 active_anon:1429788kB inactive_anon:18544kB active_file:55448kB inactive_file:25492kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26924kB dirty:924kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no 0 Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Node 0 lowmem_reserve[]: DMA: 0 12*4kB 2569 (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 661*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 2569 0*4096kB 2569 = 31336kB 2569 Node 0 Normal: Node 0 0*4kB DMA32 free:31336kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB writepending:120kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:644kB local_pcp:488kB free_cma:0kB 0*8kB lowmem_reserve[]: 0 0*16kB 0 0*32kB 0 0 0 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: Node 0 158*4kB Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB (UME) lowmem_reserve[]: 325*8kB 0 (UME) 0 751*16kB 0 0 0 (UME) 321*32kB Node 1 (UME) Normal free:1843344kB min:53504kB low:66880kB high:80256kB active_anon:1429880kB inactive_anon:18548kB active_file:55448kB inactive_file:25564kB unevictable:0kB writepending:1028kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14016kB pagetables:27864kB bounce:0kB free_pcp:1364kB local_pcp:628kB free_cma:0kB 147*64kB lowmem_reserve[]: 0 (UME) 0 14*128kB 0 (M) 0 17*256kB 0 (ME) 16*512kB Node 0 (UM) DMA: 2*1024kB 12*4kB (M) (UM) 3*2048kB 6*8kB (UME) (UM) 436*4096kB 1*16kB (M) (U) = 1843312kB 1*32kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB (U) Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 2*64kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21756 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335854 pages reserved 0 pages cma reserved (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 666*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31376kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 188*4kB (UME) 251*8kB (UME) 761*16kB (UME) 329*32kB (UME) 147*64kB (UME) 14*128kB (M) 18*256kB (UME) 14*512kB (UM) 2*1024kB (M) 3*2048kB (UME) 436*4096kB (M) = 1842488kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21757 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) 335854 pages reserved 0 pages cma reserved syz-executor.2 cpuset=syz2 mems_allowed=0-1 CPU: 0 PID: 12105 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 syz-executor.5: RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: active_anon:837611 inactive_anon:4832 isolated_anon:0 active_file:14326 inactive_file:7165 isolated_file:0 unevictable:0 dirty:292 writeback:0 unstable:0 slab_reclaimable:17898 slab_unreclaimable:153157 mapped:59432 shmem:255 pagetables:16889 bounce:0 free:470333 free_pcp:390 free_cma:0 Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:120kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes syz-executor.3: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) Node 1 active_anon:1429764kB inactive_anon:18544kB active_file:55448kB inactive_file:25592kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26992kB dirty:1048kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no syz-executor.3 cpuset=syz3 mems_allowed=0-1 page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB CPU: 1 PID: 12123 Comm: syz-executor.3 Not tainted 4.14.171-syzkaller #0 lowmem_reserve[]: Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 0 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f0403acdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f0403ace6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c syz-executor.5 cpuset= 2569 syz5 2569 mems_allowed=0-1 2569 CPU: 1 PID: 12114 Comm: syz-executor.5 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f7d63f6dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7d63f6e6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c syz-executor.3: 2569 page allocation failure: order:0 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= Node 0 (null) DMA32 free:31368kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB writepending:120kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:708kB local_pcp:200kB free_cma:0kB syz-executor.3 cpuset= lowmem_reserve[]: syz3 0 mems_allowed=0-1 0 CPU: 1 PID: 12123 Comm: syz-executor.3 Not tainted 4.14.171-syzkaller #0 0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 0 0 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 Node 0 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 lowmem_reserve[]: 0 0 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 0 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 0 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f0403acdc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 0 RAX: ffffffffffffffda RBX: 00007f0403ace6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c Node 1 Normal free:1841872kB min:53504kB low:66880kB high:80256kB active_anon:1429548kB inactive_anon:18540kB active_file:55448kB inactive_file:25660kB unevictable:0kB writepending:1116kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:13696kB pagetables:27784kB bounce:0kB free_pcp:1048kB local_pcp:408kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 12*4kB (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 671*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31416kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 261*4kB (UME) 189*8kB (UME) 770*16kB (UME) 334*32kB (UME) 148*64kB (UME) 20*128kB (UM) 21*256kB (UME) 13*512kB (UM) 2*1024kB (M) 3*2048kB (UME) 436*4096kB (M) = 1843676kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21777 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335854 pages reserved 0 pages cma reserved syz-executor.1: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.1 cpuset=syz1 mems_allowed=0-1 CPU: 1 PID: 12156 Comm: syz-executor.1 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f39eeb7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f39eeb7f6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 3 callbacks suppressed Mem-Info: active_anon:837646 inactive_anon:4835 isolated_anon:0 active_file:14326 inactive_file:7189 isolated_file:0 unevictable:0 dirty:318 writeback:0 unstable:0 slab_reclaimable:17876 slab_unreclaimable:153069 mapped:59455 shmem:255 pagetables:16893 bounce:0 free:470470 free_pcp:388 free_cma:0 Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3096kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:120kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:1429804kB inactive_anon:18556kB active_file:55448kB inactive_file:25660kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26984kB dirty:1152kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2569 2569 2569 2569 Node 0 DMA32 free:31392kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3096kB unevictable:0kB writepending:120kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:748kB local_pcp:508kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:1841144kB min:53504kB low:66880kB high:80256kB active_anon:1429804kB inactive_anon:18556kB active_file:55448kB inactive_file:25660kB unevictable:0kB writepending:1152kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:13856kB pagetables:27956kB bounce:0kB free_pcp:924kB local_pcp:344kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 12*4kB (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 671*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31416kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 226*4kB (UME) 73*8kB (UME) 703*16kB (UME) 332*32kB (UME) 149*64kB (UME) 17*128kB (UM) 21*256kB (UME) 13*512kB (UM) 2*1024kB (M) 3*2048kB (UME) 436*4096kB (M) = 1841152kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21778 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335854 pages reserved 0 pages cma reserved warn_alloc: 2 callbacks suppressed syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.5 cpuset=syz5 mems_allowed=0-1 CPU: 0 PID: 12202 Comm: syz-executor.5 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 syz-executor.2: kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 page allocation failure: order:0 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f7d63f6dc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f7d63f6e6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c Mem-Info: (null) active_anon:837623 inactive_anon:4836 isolated_anon:0 active_file:14326 inactive_file:7183 isolated_file:0 unevictable:0 dirty:219 writeback:0 unstable:0 slab_reclaimable:17842 slab_unreclaimable:152801 mapped:59424 shmem:255 pagetables:16909 bounce:0 free:470776 free_pcp:474 free_cma:0 syz-executor.2 cpuset= Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:120kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes syz2 Node 1 active_anon:1429812kB inactive_anon:18560kB active_file:55448kB inactive_file:25664kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26960kB dirty:756kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no mems_allowed=0-1 Node 0 CPU: 1 PID: 12230 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 lowmem_reserve[]: __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 0 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 2569 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 2569 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 2569 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c 2569 Node 0 DMA32 free:31440kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3124kB unevictable:0kB writepending:80kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:788kB local_pcp:544kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:1842056kB min:53504kB low:66880kB high:80256kB active_anon:1429500kB inactive_anon:18552kB active_file:55448kB inactive_file:25708kB unevictable:0kB writepending:868kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:13664kB pagetables:27692kB bounce:0kB free_pcp:1280kB local_pcp:624kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 12*4kB (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 674*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31440kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 219*4kB (UME) 26*8kB (UME) 578*16kB (UME) 340*32kB (UME) 149*64kB (UME) 25*128kB (UM) 23*256kB (UME) 16*512kB (UM) 2*1024kB (M) 3*2048kB (UME) 436*4096kB (M) = 1842076kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21797 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335854 pages reserved 0 pages cma reserved syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.2 cpuset=syz2 mems_allowed=0-1 CPU: 0 PID: 12238 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:837627 inactive_anon:4830 isolated_anon:0 active_file:14326 inactive_file:7220 isolated_file:0 unevictable:0 dirty:273 writeback:0 unstable:0 slab_reclaimable:17870 slab_unreclaimable:152679 mapped:59432 shmem:255 pagetables:16877 bounce:0 free:470786 free_pcp:509 free_cma:0 Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3124kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:100kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:1429756kB inactive_anon:18548kB active_file:55448kB inactive_file:25756kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26960kB dirty:992kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2569 2569 2569 2569 Node 0 DMA32 free:31440kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3124kB unevictable:0kB writepending:100kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:804kB local_pcp:244kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:1842592kB min:53504kB low:66880kB high:80256kB active_anon:1429756kB inactive_anon:18548kB active_file:55448kB inactive_file:25756kB unevictable:0kB writepending:1000kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:13984kB pagetables:27820kB bounce:0kB free_pcp:1328kB local_pcp:688kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 12*4kB (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB Node 0 DMA32: 732*4kB (UME) 674*8kB (UMH) 367*16kB (UMH) 327*32kB (UM) 86*64kB (UM) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 31440kB Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB Node 1 Normal: 294*4kB (UME) 251*8kB (UME) 414*16kB (UE) 326*32kB (UME) 149*64kB (UME) 25*128kB (UM) 23*256kB (UME) 17*512kB (UM) 3*1024kB (UM) 3*2048kB (UME) 436*4096kB (M) = 1842640kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 21804 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 335854 pages reserved 0 pages cma reserved syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.2 cpuset=syz2 mems_allowed=0-1 CPU: 1 PID: 12286 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 syz-executor.3: page allocation failure: order:0 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 (null) syz-executor.3 cpuset= ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c syz3 mems_allowed=0-1 CPU: 0 PID: 12307 Comm: syz-executor.3 Not tainted 4.14.171-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 syz-executor.2: __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 page allocation failure: order:0 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 (null) vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 syz-executor.2 cpuset= SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f0403acdc78 EFLAGS: 00000246 syz2 ORIG_RAX: 0000000000000010 mems_allowed=0-1 RAX: ffffffffffffffda RBX: 00007f0403ace6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: CPU: 1 PID: 12317 Comm: syz-executor.2 Not tainted 4.14.171-syzkaller #0 active_anon:837713 inactive_anon:4834 isolated_anon:0 active_file:14326 inactive_file:7214 isolated_file:0 unevictable:0 dirty:287 writeback:0 unstable:0 slab_reclaimable:17842 slab_unreclaimable:153025 mapped:59426 shmem:255 pagetables:16992 bounce:0 free:470393 free_pcp:435 free_cma:0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x142/0x197 lib/dump_stack.c:58 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3248 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 Node 0 active_anon:1920680kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:210736kB dirty:108kB writeback:0kB shmem:988kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1302528kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 alloc_pages_current+0xec/0x1e0 mm/mempolicy.c:2113 alloc_pages include/linux/gfp.h:520 [inline] alloc_mmu_pages arch/x86/kvm/mmu.c:5142 [inline] kvm_mmu_create+0xdf/0x1e0 arch/x86/kvm/mmu.c:5160 Node 1 active_anon:1430172kB inactive_anon:18552kB active_file:55448kB inactive_file:25788kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:26968kB dirty:1040kB writeback:0kB shmem:32kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no kvm_arch_vcpu_init+0x29c/0x8e0 arch/x86/kvm/x86.c:8306 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320 vmx_create_vcpu+0xfc/0x2aa0 arch/x86/kvm/vmx.c:10050 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:8019 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057 Node 0 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x8f/0xc0 fs/ioctl.c:692 do_syscall_64+0x1e8/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45c429 RSP: 002b:00007f8362eebc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f8362eec6d4 RCX: 000000000045c429 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006 DMA free:10384kB min:216kB low:268kB high:320kB active_anon:4988kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:64kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB RBP: 000000000076bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 000000000000038f R14: 00000000004c5c1b R15: 000000000076bf2c syz-executor.1: lowmem_reserve[]: page allocation failure: order:0 0 , mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask= 2569 2569 2569 2569 Node 0 DMA32 free:31464kB min:36384kB low:45480kB high:54576kB active_anon:1915692kB inactive_anon:784kB active_file:1856kB inactive_file:3068kB unevictable:0kB writepending:108kB present:3129332kB managed:2634400kB mlocked:0kB kernel_stack:12128kB pagetables:39616kB bounce:0kB free_pcp:804kB local_pcp:244kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 Normal free:0kB min:0kB low:0kB high:0kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:786432kB managed:0kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 1 Normal free:1838652kB min:53504kB low:66880kB high:80256kB active_anon:1430172kB inactive_anon:18552kB active_file:55448kB inactive_file:25788kB unevictable:0kB writepending:1040kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:14208kB pagetables:28500kB bounce:0kB free_pcp:1316kB local_pcp:708kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 0 Node 0 DMA: 12*4kB (UM) 6*8kB (UM) 1*16kB (U) 1*32kB (U) 2*64kB (UM) 1*128kB (U) 1*256kB (U) 3*512kB (UM) 0*1024kB 0*2048kB 2*4096kB (M) = 10384kB