Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB WARNING: suspicious RCU usage Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 55681 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 4.14.156-syzkaller #0 Not tainted Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 333238 pages reserved 0 pages cma reserved ----------------------------- net/tipc/bearer.c:177 suspicious rcu_dereference_protected() usage! other info that might help us debug this: syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.4 cpuset=syz4 mems_allowed=0-1 CPU: 1 PID: 23193 Comm: syz-executor.4 Not tainted 4.14.156-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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007fcc7f797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7f7986d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff rcu_scheduler_active = 2, debug_locks = 1 2 locks held by syz-executor.2/23164: #0: (cb_lock){++++}, at: [] genl_rcv+0x1a/0x40 net/netlink/genetlink.c:635 #1: (genl_mutex){+.+.}, at: [] genl_lock net/netlink/genetlink.c:33 [inline] #1: (genl_mutex){+.+.}, at: [] genl_rcv_msg+0x119/0x150 net/netlink/genetlink.c:623 stack backtrace: CPU: 1 PID: 23164 Comm: syz-executor.2 Not tainted 4.14.156-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 lockdep_rcu_suspicious+0x153/0x15d kernel/locking/lockdep.c:4665 tipc_bearer_find+0x20a/0x300 net/tipc/bearer.c:177 tipc_nl_compat_link_set+0x433/0xbf0 net/tipc/netlink_compat.c:797 __tipc_nl_compat_doit net/tipc/netlink_compat.c:306 [inline] tipc_nl_compat_doit+0x1a2/0x550 net/tipc/netlink_compat.c:354 tipc_nl_compat_handle net/tipc/netlink_compat.c:1198 [inline] tipc_nl_compat_recv+0x9ec/0xb20 net/tipc/netlink_compat.c:1280 genl_family_rcv_msg+0x614/0xc30 net/netlink/genetlink.c:600 genl_rcv_msg+0xb4/0x150 net/netlink/genetlink.c:625 netlink_rcv_skb+0x14f/0x3c0 net/netlink/af_netlink.c:2432 genl_rcv+0x29/0x40 net/netlink/genetlink.c:636 netlink_unicast_kernel net/netlink/af_netlink.c:1286 [inline] netlink_unicast+0x45d/0x640 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: 0033:0x45a649 RSP: 002b:00007f42f61e7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 0000000020000340 RDI: 0000000000000003 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f42f61e86d4 R13: 00000000004c8a73 R14: 00000000004df1e0 R15: 00000000ffffffff Mem-Info: active_anon:1084823 inactive_anon:43492 isolated_anon:0 active_file:3163 inactive_file:9824 isolated_file:0 unevictable:8 dirty:35 writeback:0 unstable:0 slab_reclaimable:14254 slab_unreclaimable:115014 mapped:65997 shmem:47150 pagetables:23537 bounce:0 free:225838 free_pcp:518 free_cma:0 Node 0 active_anon:1927152kB inactive_anon:19560kB active_file:36kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:218544kB dirty:4kB writeback:0kB shmem:19820kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 962560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:2405896kB inactive_anon:142440kB active_file:12616kB inactive_file:39296kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45408kB dirty:148kB writeback:0kB shmem:150832kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10508kB min:216kB low:268kB high:320kB active_anon:2260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB audit: type=1804 audit(1574902273.708:93): pid=23215 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir206139604/syzkaller.eLx4DB/1533/bus" dev="sda1" ino=16941 res=1 lowmem_reserve[]: 0 2580 2580 2580 Node 0 DMA32 free:33280kB min:36468kB low:45584kB high:54700kB active_anon:1924892kB inactive_anon:19560kB active_file:36kB inactive_file:0kB unevictable:0kB writepending:8kB present:3129332kB managed:2644852kB mlocked:0kB kernel_stack:11072kB pagetables:29964kB bounce:0kB free_pcp:1344kB local_pcp:652kB free_cma:0kB lowmem_reserve[]: 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 Node 1 Normal free:870180kB min:53420kB low:66772kB high:80124kB active_anon:2405952kB inactive_anon:142440kB active_file:12616kB inactive_file:39296kB unevictable:6100kB writepending:204kB present:3932160kB managed:3870204kB mlocked:6100kB kernel_stack:22400kB pagetables:64056kB bounce:0kB free_pcp:928kB local_pcp:404kB free_cma:0kB net_ratelimit: 11 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 23*4kB (UM) 20*8kB (UME) 65*16kB (UM) 30*32kB (UME) 5*64kB (UE) 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 0*4096kB = 10508kB Node 0 DMA32: 719*4kB (UMH) 844*8kB (UMEH) 620*16kB (UME) 433*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33404kB 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: 459*4kB (UME) 533*8kB (UME) 503*16kB (UME) 108*32kB (UME) 17*64kB (UM) 33*128kB (UM) 13*256kB (UM) 10*512kB (M) 4*1024kB (ME) 3*2048kB (UM) 207*4096kB (M) = 889476kB 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 59884 total pagecache pages 0 pages in swap cache syz-executor.0: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB syz-executor.0 cpuset=syz0 mems_allowed=0-1 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly CPU: 0 PID: 23225 Comm: syz-executor.0 Not tainted 4.14.156-syzkaller #0 333238 pages reserved 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 pages cma reserved __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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007f92b08f5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92b08f66d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 Mem-Info: protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 active_anon:1082588 inactive_anon:40504 isolated_anon:0 active_file:3163 inactive_file:9834 isolated_file:0 unevictable:8 dirty:71 writeback:0 unstable:0 slab_reclaimable:14304 slab_unreclaimable:115927 mapped:66003 shmem:42684 pagetables:23496 bounce:0 free:229905 free_pcp:644 free_cma:0 Node 0 active_anon:1927152kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:218544kB dirty:8kB writeback:0kB shmem:19820kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 962560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:2392000kB inactive_anon:142456kB active_file:12620kB inactive_file:39332kB unevictable:32kB isolated(anon):0kB isolated(file):0kB mapped:45468kB dirty:276kB writeback:0kB shmem:150916kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10508kB min:216kB low:268kB high:320kB active_anon:2260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2580 2580 2580 Node 0 DMA32 free:33720kB min:36468kB low:45584kB high:54700kB active_anon:1924892kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:8kB present:3129332kB managed:2644852kB mlocked:0kB kernel_stack:11072kB pagetables:29964kB bounce:0kB free_pcp:1536kB local_pcp:724kB free_cma:0kB lowmem_reserve[]: 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 Node 1 Normal free:893248kB min:53420kB low:66772kB high:80124kB active_anon:2386700kB inactive_anon:142456kB active_file:12620kB inactive_file:39332kB unevictable:32kB writepending:324kB present:3932160kB managed:3870204kB mlocked:76kB kernel_stack:22240kB pagetables:63868kB bounce:0kB free_pcp:1292kB local_pcp:624kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 26*4kB (UM) 20*8kB (UME) 65*16kB (UM) 30*32kB (UME) 5*64kB (UE) 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 0*4096kB = 10520kB Node 0 DMA32: 720*4kB (UMEH) 901*8kB (UME) 622*16kB (UME) 430*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33800kB 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: 87*4kB (UM) 29*8kB (UME) 26*16kB (UME) 163*32kB (UM) 44*64kB (UM) 41*128kB (M) 16*256kB (UME) 11*512kB (ME) 3*1024kB (M) 3*2048kB (UM) 206*4096kB (M) = 876996kB 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 syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) 55668 total pagecache pages syz-executor.4 cpuset=syz4 mems_allowed=0-1 0 pages in swap cache CPU: 1 PID: 23273 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0 Swap cache stats: add 0, delete 0, find 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 __alloc_pages_slowpath+0x23c6/0x2930 mm/page_alloc.c:4095 __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 Free swap = 0kB 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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 333238 pages reserved vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 0 pages cma reserved 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: 0033:0x45a649 RSP: 002b:00007fcc7f797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7f7986d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.0: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.4 cpuset=syz4 mems_allowed=0-1 CPU: 1 PID: 23310 Comm: syz-executor.4 Not tainted 4.14.156-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 syz-executor.5 cpuset= 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:8285 syz5 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 mems_allowed=0-1 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007fcc7f797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7f7986d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff syz-executor.0 cpuset= CPU: 0 PID: 23322 Comm: syz-executor.5 Not tainted 4.14.156-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 warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:1080854 inactive_anon:40500 isolated_anon:0 active_file:3168 inactive_file:9846 isolated_file:0 unevictable:0 dirty:3 writeback:0 unstable:0 slab_reclaimable:14451 slab_unreclaimable:116290 mapped:65988 shmem:42663 pagetables:23554 bounce:0 free:231145 free_pcp:466 free_cma: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 active_anon:1927152kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:218544kB dirty:8kB writeback:0kB shmem:19820kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 962560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes 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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 Node 1 active_anon:2396264kB inactive_anon:142440kB active_file:12640kB inactive_file:39380kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45408kB dirty:4kB writeback:0kB shmem:150832kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 Node 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 DMA free:10504kB min:216kB low:268kB high:320kB active_anon:2260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45a649 RSP: 002b:00007f98dc139c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f98dc13a6d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff syz0 lowmem_reserve[]: mems_allowed=0-1 0 2580 2580 2580 Node 0 DMA32 free:34404kB min:36468kB low:45584kB high:54700kB active_anon:1924892kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:8kB present:3129332kB managed:2644852kB mlocked:0kB kernel_stack:11072kB pagetables:29964kB bounce:0kB free_pcp:1308kB local_pcp:688kB free_cma:0kB CPU: 0 PID: 23306 Comm: syz-executor.0 Not tainted 4.14.156-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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007f92b08f5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92b08f66d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff lowmem_reserve[]: 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 Node 1 Normal free:883692kB min:53420kB low:66772kB high:80124kB active_anon:2391224kB inactive_anon:142428kB active_file:12644kB inactive_file:39416kB unevictable:0kB writepending:300kB present:3932160kB managed:3870204kB mlocked:0kB kernel_stack:22368kB pagetables:64252kB bounce:0kB free_pcp:1020kB local_pcp:588kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 26*4kB (UM) 18*8kB (UME) 65*16kB (UM) 30*32kB (UME) 5*64kB (UE) 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 0*4096kB = 10504kB Node 0 DMA32: 791*4kB (UMEH) 945*8kB (UME) 626*16kB (UM) 430*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 34500kB 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: 43*4kB (UE) 28*8kB (UM) 187*16kB (UM) 92*32kB (UM) 45*64kB (UM) 42*128kB (M) 17*256kB (UME) 11*512kB (UM) 3*1024kB (M) 3*2048kB (UM) 205*4096kB (M) = 873468kB 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 55694 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 333238 pages reserved 0 pages cma reserved encrypted_key: keyword 'update' not allowed when called from .instantiate method syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.4 cpuset=syz4 mems_allowed=0-1 CPU: 0 PID: 23405 Comm: syz-executor.4 Not tainted 4.14.156-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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007fcc7f797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7f7986d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff warn_alloc_show_mem: 2 callbacks suppressed Mem-Info: syz-executor.0: active_anon:1080156 inactive_anon:40499 isolated_anon:0 active_file:3171 inactive_file:9863 isolated_file:0 unevictable:0 dirty:41 writeback:18 unstable:0 slab_reclaimable:14529 slab_unreclaimable:116818 mapped:65977 shmem:42662 pagetables:23570 bounce:0 free:231060 free_pcp:575 free_cma:0 page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.0 cpuset=syz0 mems_allowed=0-1 Node 0 active_anon:1927152kB inactive_anon:19560kB active_file:36kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:218544kB dirty:4kB writeback:0kB shmem:19820kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 962560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes CPU: 1 PID: 23406 Comm: syz-executor.0 Not tainted 4.14.156-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 Node 1 active_anon:2393872kB inactive_anon:142436kB active_file:12648kB inactive_file:39452kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45464kB dirty:160kB writeback:0kB shmem:150828kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no __alloc_pages_nodemask+0x62c/0x7a0 mm/page_alloc.c:4198 Node 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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 DMA free:10488kB min:216kB low:268kB high:320kB active_anon:2260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x7ae/0x1060 fs/ioctl.c:684 lowmem_reserve[]: 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: 0033:0x45a649 RSP: 002b:00007f92b08f5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 2580 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f92b08f66d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff net_ratelimit: 14 callbacks suppressed protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 2580 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 2580 Node 0 DMA32 free:34876kB min:36468kB low:45584kB high:54700kB active_anon:1924892kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:8kB present:3129332kB managed:2644852kB mlocked:0kB kernel_stack:11040kB pagetables:29964kB bounce:0kB free_pcp:1316kB local_pcp:672kB free_cma:0kB lowmem_reserve[]: 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 Node 1 Normal free:868660kB min:53420kB low:66772kB high:80124kB active_anon:2400176kB inactive_anon:142436kB active_file:12656kB inactive_file:39496kB unevictable:0kB writepending:420kB present:3932160kB managed:3870204kB mlocked:0kB kernel_stack:22528kB pagetables:64736kB bounce:0kB free_pcp:1080kB local_pcp:372kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 26*4kB (UM) 17*8kB (UME) 65*16kB (UM) 30*32kB (UME) 5*64kB (UE) 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 0*4096kB = 10496kB Node 0 DMA32: 831*4kB (UMH) 960*8kB (UME) 638*16kB (UME) 432*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35036kB 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: 362*4kB (UM) 599*8kB (UM) 459*16kB (UME) 87*32kB (UM) 15*64kB (UME) 25*128kB (UME) 17*256kB (UME) 11*512kB (ME) 4*1024kB (ME) 3*2048kB (ME) 204*4096kB (M) = 876336kB 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 55712 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 333238 pages reserved 0 pages cma reserved syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.4 cpuset=syz4 mems_allowed=0-1 CPU: 1 PID: 23479 Comm: syz-executor.4 Not tainted 4.14.156-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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007fcc7f797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7f7986d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff warn_alloc_show_mem: 1 callbacks suppressed Mem-Info: active_anon:1081452 inactive_anon:40500 isolated_anon:0 active_file:3171 inactive_file:9878 isolated_file:0 unevictable:0 dirty:29 writeback:0 unstable:0 slab_reclaimable:14576 slab_unreclaimable:117119 mapped:65988 shmem:42663 pagetables:23657 bounce:0 free:229369 free_pcp:533 free_cma:0 Node 0 active_anon:1927152kB inactive_anon:19560kB active_file:24kB inactive_file:12kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:218544kB dirty:8kB writeback:0kB shmem:19820kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 962560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_0 protocol 88fb is buggy, dev hsr_slave_1 protocol 88fb is buggy, dev hsr_slave_1 Node 1 active_anon:2398948kB inactive_anon:142440kB active_file:12656kB inactive_file:39520kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45708kB dirty:132kB writeback:0kB shmem:150832kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10504kB min:216kB low:268kB high:320kB active_anon:2260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2580 2580 2580 Node 0 DMA32 free:35076kB min:36468kB low:45584kB high:54700kB active_anon:1924892kB inactive_anon:19560kB active_file:24kB inactive_file:12kB unevictable:0kB writepending:8kB present:3129332kB managed:2644852kB mlocked:0kB kernel_stack:11040kB pagetables:29964kB bounce:0kB free_pcp:1440kB local_pcp:700kB free_cma:0kB lowmem_reserve[]: 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 Node 1 Normal free:870716kB min:53420kB low:66772kB high:80124kB active_anon:2399276kB inactive_anon:142436kB active_file:12660kB inactive_file:39528kB unevictable:0kB writepending:284kB present:3932160kB managed:3870204kB mlocked:0kB kernel_stack:22688kB pagetables:64808kB bounce:0kB free_pcp:700kB local_pcp:472kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 26*4kB (UM) 16*8kB (UME) 65*16kB (UM) 30*32kB (UME) 5*64kB (UE) 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 0*4096kB = 10488kB Node 0 DMA32: 852*4kB (UMEH) 971*8kB (UME) 638*16kB (UME) 432*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35208kB 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: 0*4kB 36*8kB (UM) 493*16kB (UM) 83*32kB (UM) 12*64kB (M) 23*128kB (UM) 17*256kB (UME) 11*512kB (ME) 5*1024kB (UME) 4*2048kB (UME) 203*4096kB (M) = 869328kB 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 55720 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 333238 pages reserved 0 pages cma reserved syz-executor.4: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null) syz-executor.4 cpuset=syz4 mems_allowed=0-1 CPU: 0 PID: 23531 Comm: syz-executor.4 Not tainted 4.14.156-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:8285 kvm_vcpu_init+0x272/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:300 vmx_create_vcpu+0xfc/0x29c0 arch/x86/kvm/vmx.c:10048 kvm_arch_vcpu_create+0x8c/0xc0 arch/x86/kvm/x86.c:7998 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2529 [inline] kvm_vm_ioctl+0x501/0x1600 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3037 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: 0033:0x45a649 RSP: 002b:00007fcc7f797c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000045a649 RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004 RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcc7f7986d4 R13: 00000000004c38dc R14: 00000000004d7dd0 R15: 00000000ffffffff Mem-Info: active_anon:1088479 inactive_anon:40500 isolated_anon:0 active_file:3175 inactive_file:9891 isolated_file:0 unevictable:0 dirty:37 writeback:0 unstable:0 slab_reclaimable:14628 slab_unreclaimable:117316 mapped:65988 shmem:42663 pagetables:23746 bounce:0 free:221985 free_pcp:595 free_cma:0 Node 0 active_anon:1927152kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:218544kB dirty:8kB writeback:0kB shmem:19820kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 962560kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes Node 1 active_anon:2427276kB inactive_anon:142440kB active_file:12668kB inactive_file:39560kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:45408kB dirty:140kB writeback:0kB shmem:150832kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:10488kB min:216kB low:268kB high:320kB active_anon:2260kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:4kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB lowmem_reserve[]: 0 2580 2580 2580 Node 0 DMA32 free:35196kB min:36468kB low:45584kB high:54700kB active_anon:1924892kB inactive_anon:19560kB active_file:32kB inactive_file:4kB unevictable:0kB writepending:8kB present:3129332kB managed:2644852kB mlocked:0kB kernel_stack:11040kB pagetables:29964kB bounce:0kB free_pcp:1520kB local_pcp:800kB free_cma:0kB lowmem_reserve[]: 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 Node 1 Normal free:848216kB min:53420kB low:66772kB high:80124kB active_anon:2420896kB inactive_anon:142440kB active_file:12668kB inactive_file:39560kB unevictable:0kB writepending:192kB present:3932160kB managed:3870204kB mlocked:0kB kernel_stack:22432kB pagetables:64728kB bounce:0kB free_pcp:1120kB local_pcp:628kB free_cma:0kB lowmem_reserve[]: 0 0 0 0 Node 0 DMA: 26*4kB (UM) 16*8kB (UME) 65*16kB (UM) 30*32kB (UME) 5*64kB (UE) 2*128kB (UE) 4*256kB (UME) 3*512kB (ME) 1*1024kB (E) 2*2048kB (ME) 0*4096kB = 10488kB Node 0 DMA32: 851*4kB (UMH) 981*8kB (UMEH) 637*16kB (UM) 430*32kB (UME) 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 35204kB 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: 9*4kB (UME) 5*8kB (UME) 21*16kB (UE) 24*32kB (U) 47*64kB (UM) 25*128kB (UM) 6*256kB (UME) 1*512kB (E) 1*1024kB (E) 3*2048kB (UME) 203*4096kB (M) = 848092kB 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 55732 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 333238 pages reserved 0 pages cma reserved