syzbot


WARNING: suspicious RCU usage in __alloc_pages_nodemask

Status: auto-closed as invalid on 2020/11/03 17:12
Reported-by: syzbot+6a6671c118d6415093db@syzkaller.appspotmail.com
First crash: 755d, last: 718d
similar bugs (1):
Kernel Title Repro Cause bisect Fix bisect Count Last Reported Patched Status
linux-4.14 WARNING: suspicious RCU usage in __alloc_pages_nodemask (2) 1 546d 546d 0/1 auto-closed as invalid on 2021/04/24 02:13

Sample crash report:
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
=============================
syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
WARNING: suspicious RCU usage
4.14.184-syzkaller #0 Not tainted
-----------------------------
syz-executor.2 cpuset=/ mems_allowed=0-1
net/sched/act_sample.c:95 suspicious rcu_dereference_protected() usage!
CPU: 0 PID: 2873 Comm: syz-executor.2 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58

other info that might help us debug this:

 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199

rcu_scheduler_active = 2, debug_locks = 1
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
1 lock held by syz-executor.1/2881:
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 #0: 
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057
 (
rtnl_mutex
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
){+.+.}
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
, at: [<ffffffff8502af2d>] rtnl_lock net/core/rtnetlink.c:72 [inline]
, at: [<ffffffff8502af2d>] rtnetlink_rcv_msg+0x31d/0xb10 net/core/rtnetlink.c:4310
RSP: 002b:00007fab4360fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010

stack backtrace:
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007fab436106d4
Mem-Info:
CPU: 1 PID: 2881 Comm: syz-executor.1 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 tcf_sample_init+0x71c/0x8c0 net/sched/act_sample.c:95
 tcf_action_init_1+0x51a/0x9f0 net/sched/act_api.c:682
 tcf_action_init+0x26d/0x400 net/sched/act_api.c:751
 tcf_exts_validate+0x2d7/0x490 net/sched/cls_api.c:926
 basic_set_parms net/sched/cls_basic.c:154 [inline]
 basic_change+0x3ef/0xf00 net/sched/cls_basic.c:222
 tc_ctl_tfilter+0xf13/0x18e7 net/sched/cls_api.c:738
 rtnetlink_rcv_msg+0x3be/0xb10 net/core/rtnetlink.c:4315
active_anon:583903 inactive_anon:25895 isolated_anon:0
 active_file:9964 inactive_file:44457 isolated_file:0
 unevictable:0 dirty:18 writeback:0 unstable:0
 slab_reclaimable:63353 slab_unreclaimable:242847
 mapped:67509 shmem:31010 pagetables:27267 bounce:0
 free:510191 free_pcp:306 free_cma:0
 netlink_rcv_skb+0x127/0x370 net/netlink/af_netlink.c:2433
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:594880kB inactive_anon:64476kB active_file:39856kB inactive_file:177824kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61132kB dirty:68kB writeback:0kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 netlink_unicast_kernel net/netlink/af_netlink.c:1287 [inline]
 netlink_unicast+0x437/0x610 net/netlink/af_netlink.c:1313
Node 0 
 netlink_sendmsg+0x64a/0xbb0 net/netlink/af_netlink.c:1878
DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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
 sock_sendmsg_nosec net/socket.c:646 [inline]
 sock_sendmsg+0xb5/0x100 net/socket.c:656
 ___sys_sendmsg+0x349/0x840 net/socket.c:2062
lowmem_reserve[]:
 0
 __sys_sendmmsg+0x129/0x330 net/socket.c:2152
 2559
 2559
 SYSC_sendmmsg net/socket.c:2183 [inline]
 SyS_sendmmsg+0x2f/0x50 net/socket.c:2178
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f0341156c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000133
RAX: ffffffffffffffda RBX: 00000000004fd900 RCX: 000000000045cb29
RDX: 010efe10675dec16 RSI: 0000000020000200 RDI: 0000000000000003
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000000000000907 R14: 00000000004cbe4e R15: 00007f03411576d4
syz-executor.5: 
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
page allocation failure: order:0
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 2876 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
 2559
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 2559
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000007
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
Node 0 DMA32 free:33040kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:0kB inactive_file:8kB unevictable:0kB writepending:0kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:364kB local_pcp:224kB 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
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
lowmem_reserve[]: 0 0 0 0 0
Node 1 Normal free:1998368kB min:53592kB low:66988kB high:80384kB active_anon:595052kB inactive_anon:64476kB active_file:39860kB inactive_file:177944kB unevictable:0kB writepending:264kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:34272kB pagetables:64108kB bounce:0kB free_pcp:1376kB local_pcp:728kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 16*4kB (UMH) 65*8kB (UMEH) 34*16kB (UEH) 7*32kB (UMEH) 4*64kB (UEH) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1430*4kB (UMEH) 2291*8kB (UMEH) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 33040kB
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: 447*4kB (UME) 248*8kB (UME) 24*16kB (UME) 13*32kB (UME) 6*64kB (UME) 10*128kB (UM) 2*256kB (UE) 2*512kB (UE) 8*1024kB (UE) 6*2048kB (U) 481*4096kB (M) = 1998428kB
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
56046 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
338456 pages reserved
0 pages cma reserved
syz-executor.2: 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.2 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 3007 Comm: syz-executor.2 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007fab4360fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007fab436106d4
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 2958 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:583919 inactive_anon:25895 isolated_anon:0
 active_file:9965 inactive_file:44473 isolated_file:0
 unevictable:0 dirty:36 writeback:0 unstable:0
 slab_reclaimable:63335 slab_unreclaimable:242889
 mapped:67547 shmem:31010 pagetables:27275 bounce:0
 free:509991 free_pcp:350 free_cma:0
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:594944kB inactive_anon:64476kB active_file:39860kB inactive_file:177888kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61284kB dirty:140kB writeback:0kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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 2559 2559 2559 2559
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
Node 0 DMA32 free:32916kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:4kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:468kB local_pcp:204kB free_cma:0kB
syz-executor.5 cpuset=
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:1998984kB min:53592kB low:66988kB high:80384kB active_anon:594932kB inactive_anon:64472kB active_file:39864kB inactive_file:177888kB unevictable:0kB writepending:48kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:34048kB pagetables:64024kB bounce:0kB free_pcp:1336kB local_pcp:704kB free_cma:0kB
/
lowmem_reserve[]: 0 0 0 0 0
 mems_allowed=0-1
Node 0 
CPU: 1 PID: 3063 Comm: syz-executor.5 Not tainted 4.14.184-syzkaller #0
DMA: 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
16*4kB 
Call Trace:
 __dump_stack lib/dump_stack.c:17 [inline]
 dump_stack+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
(UMH) 
65*8kB 
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
(UMEH) 
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
34*16kB 
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
(UEH) 
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
7*32kB 
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057
(UMEH) 
4*64kB 
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
(UEH) 
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae3cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078c040 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
1*128kB 
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae3d6d4
(M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1429*4kB (UMH) 2276*8kB (UMEH) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32916kB
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: 396*4kB (UME) 262*8kB (UME) 103*16kB (UME) 41*32kB (UME) 14*64kB (UME) 10*128kB (UM) 2*256kB (UE) 2*512kB (UE) 8*1024kB (UE) 6*2048kB (U) 481*4096kB (M) = 2001008kB
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
56045 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
338456 pages reserved
0 pages cma reserved
nla_parse: 8 callbacks suppressed
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
syz-executor.5 cpuset=/ mems_allowed=0-1
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
CPU: 0 PID: 3095 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
warn_alloc_show_mem: 2 callbacks suppressed
Mem-Info:
active_anon:583965 inactive_anon:25895 isolated_anon:0
 active_file:9966 inactive_file:44488 isolated_file:0
 unevictable:0 dirty:46 writeback:0 unstable:0
 slab_reclaimable:63352 slab_unreclaimable:242531
 mapped:67551 shmem:31010 pagetables:27352 bounce:0
 free:510338 free_pcp:394 free_cma:0
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
Node 1 active_anon:595128kB inactive_anon:64476kB active_file:39864kB inactive_file:177948kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61300kB dirty:180kB writeback:0kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
Node 0 DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
lowmem_reserve[]: 0 2559 2559 2559 2559
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
Node 0 DMA32 free:32916kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:4kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:424kB local_pcp:200kB free_cma:0kB
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
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:1997804kB min:53592kB low:66988kB high:80384kB active_anon:595728kB inactive_anon:64476kB active_file:39864kB inactive_file:177948kB unevictable:0kB writepending:428kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:34528kB pagetables:64572kB bounce:0kB free_pcp:520kB local_pcp:224kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 16*4kB (UMH) 65*8kB (UMEH) 34*16kB (UEH) 7*32kB (UMEH) 4*64kB (UEH) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1429*4kB (UMH) 2274*8kB (UMEH) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32900kB
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: 275*4kB (UE) 258*8kB (UME) 81*16kB (UME) 9*32kB (UME) 13*64kB (UME) 7*128kB (UM) 3*256kB (UE) 1*512kB (E) 8*1024kB (UE) 6*2048kB (U) 481*4096kB (M) = 1998412kB
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
56053 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
338456 pages reserved
0 pages cma reserved
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
CPU: 1 PID: 3262 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
syz-executor.2 cpuset=
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
/ mems_allowed=0-1
Mem-Info:
active_anon:584113 inactive_anon:25895 isolated_anon:0
 active_file:9968 inactive_file:44494 isolated_file:0
 unevictable:0 dirty:58 writeback:25 unstable:0
 slab_reclaimable:63366 slab_unreclaimable:242297
 mapped:67824 shmem:31010 pagetables:27414 bounce:0
 free:510432 free_pcp:207 free_cma:0
CPU: 0 PID: 3294 Comm: syz-executor.2 Not tainted 4.14.184-syzkaller #0
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
Node 1 active_anon:595720kB inactive_anon:64476kB active_file:39868kB inactive_file:177976kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:62392kB dirty:228kB writeback:100kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
Node 0 
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057
DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
lowmem_reserve[]:
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
 0
RIP: 0033:0x45cb29
RSP: 002b:00007fab4360fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000004
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007fab436106d4
 2559 2559 2559 2559
Node 0 DMA32 free:32860kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:0kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:384kB local_pcp:196kB 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:1998772kB min:53592kB low:66988kB high:80384kB active_anon:595500kB inactive_anon:64476kB active_file:39868kB inactive_file:178012kB unevictable:0kB writepending:212kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:34240kB pagetables:64468kB bounce:0kB free_pcp:1180kB local_pcp:524kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 16*4kB (UMH) 65*8kB (UMEH) 34*16kB (UEH) 7*32kB (UMEH) 4*64kB (UEH) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1429*4kB (UMH) 2268*8kB (UME) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32852kB
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: 321*4kB (UME) 338*8kB (UME) 124*16kB (UME) 32*32kB (UME) 16*64kB (UME) 8*128kB (U) 2*256kB (ME) 3*512kB (UME) 8*1024kB (UME) 7*2048kB (UM) 480*4096kB (M) = 1999700kB
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
56062 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
338456 pages reserved
0 pages cma reserved
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 3262 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:583950 inactive_anon:25896 isolated_anon:0
 active_file:9967 inactive_file:44504 isolated_file:0
 unevictable:0 dirty:0 writeback:0 unstable:0
 slab_reclaimable:63368 slab_unreclaimable:241660
 mapped:67546 shmem:31010 pagetables:27310 bounce:0
 free:511391 free_pcp:385 free_cma:0
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:595064kB inactive_anon:64480kB active_file:39868kB inactive_file:178012kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61284kB dirty:0kB writeback:0kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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 2559 2559 2559 2559
Node 0 DMA32 free:32852kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:4kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:380kB local_pcp:196kB 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:2001440kB min:53592kB low:66988kB high:80384kB active_anon:595064kB inactive_anon:64480kB active_file:39868kB inactive_file:178012kB unevictable:0kB writepending:0kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:34048kB pagetables:64108kB bounce:0kB free_pcp:1156kB local_pcp:540kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 16*4kB (UMH) 65*8kB (UMEH) 34*16kB (UEH) 7*32kB (UMEH) 4*64kB (UEH) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1429*4kB (UMH) 2268*8kB (UME) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32852kB
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: 493*4kB (UME) 241*8kB (UME) 146*16kB (UME) 43*32kB (UME) 19*64kB (UME) 15*128kB (U) 3*256kB (UME) 2*512kB (UE) 8*1024kB (UME) 7*2048kB (UM) 480*4096kB (M) = 2001148kB
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
56065 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
338456 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=/ mems_allowed=0-1
CPU: 1 PID: 3366 Comm: syz-executor.2 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007fab4360fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007fab436106d4
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
syz-executor.2: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
syz-executor.2 cpuset=/ mems_allowed=0-1
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 3393 Comm: syz-executor.2 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007fab435eec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000006
RBP: 000000000078bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007fab435ef6d4
CPU: 0 PID: 3368 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 arch/x86/kvm/../../../virt/kvm/kvm_main.c:3057
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:500 [inline]
 do_vfs_ioctl+0x75a/0xfe0 fs/ioctl.c:684
active_anon:584430 inactive_anon:25895 isolated_anon:0
 active_file:9969 inactive_file:44506 isolated_file:0
 unevictable:0 dirty:13 writeback:0 unstable:0
 slab_reclaimable:63348 slab_unreclaimable:242199
 mapped:67854 shmem:31010 pagetables:27466 bounce:0
 free:510036 free_pcp:284 free_cma:0
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:4kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:4kB writeback:0kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:596988kB inactive_anon:64476kB active_file:39872kB inactive_file:178024kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:62512kB dirty:48kB writeback:0kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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[]:
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 0
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
 2559 2559
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
 2559
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
 2559
Node 0 DMA32 free:32520kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:0kB inactive_file:4kB unevictable:0kB writepending:4kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:368kB local_pcp:184kB 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:1999312kB min:53592kB low:66988kB high:80384kB active_anon:595492kB inactive_anon:64476kB active_file:39876kB inactive_file:178060kB unevictable:0kB writepending:236kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:34048kB pagetables:64388kB bounce:0kB free_pcp:1284kB local_pcp:640kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 16*4kB (UMH) 65*8kB (UMEH) 34*16kB (UEH) 7*32kB (UMEH) 4*64kB (UEH) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1420*4kB (MH) 2231*8kB (UME) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32520kB
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: 446*4kB (UME) 272*8kB (UME) 50*16kB (UME) 17*32kB (UME) 22*64kB (UME) 16*128kB (U) 4*256kB (UME) 2*512kB (UE) 8*1024kB (UME) 7*2048kB (UM) 480*4096kB (M) = 1999416kB
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
56079 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
Free swap  = 0kB
Total swap = 0kB
syz-executor.5 cpuset=
1965979 pages RAM
0 pages HighMem/MovableOnly
338456 pages reserved
0 pages cma reserved
/ mems_allowed=0-1
CPU: 0 PID: 3368 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:584008 inactive_anon:25895 isolated_anon:0
 active_file:9969 inactive_file:44517 isolated_file:0
 unevictable:0 dirty:11 writeback:6 unstable:0
 slab_reclaimable:63352 slab_unreclaimable:241531
 mapped:67589 shmem:31010 pagetables:27331 bounce:0
 free:511339 free_pcp:417 free_cma:0
Node 0 active_anon:1740732kB inactive_anon:39104kB active_file:0kB inactive_file:4kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:208904kB dirty:0kB writeback:4kB shmem:44464kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 1239040kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
Node 1 active_anon:595228kB inactive_anon:64476kB active_file:39880kB inactive_file:178104kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:61408kB dirty:76kB writeback:0kB shmem:79576kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no
Node 0 DMA free:10440kB min:220kB low:272kB high:324kB active_anon:2076kB inactive_anon:12kB 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 2559 2559 2559 2559
Node 0 DMA32 free:32520kB min:36296kB low:45368kB high:54440kB active_anon:1738656kB inactive_anon:39092kB active_file:4kB inactive_file:0kB unevictable:0kB writepending:4kB present:3129332kB managed:2623992kB mlocked:0kB kernel_stack:11776kB pagetables:45132kB bounce:0kB free_pcp:372kB local_pcp:184kB 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:2002072kB min:53592kB low:66988kB high:80384kB active_anon:595228kB inactive_anon:64476kB active_file:39880kB inactive_file:178104kB unevictable:0kB writepending:76kB present:3932160kB managed:3870192kB mlocked:0kB kernel_stack:33984kB pagetables:64196kB bounce:0kB free_pcp:1312kB local_pcp:668kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0 0
Node 0 DMA: 16*4kB (UMH) 65*8kB (UMEH) 34*16kB (UEH) 7*32kB (UMEH) 4*64kB (UEH) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 3*1024kB (UME) 2*2048kB (ME) 0*4096kB = 10440kB
Node 0 DMA32: 1420*4kB (MH) 2231*8kB (UME) 398*16kB (UME) 72*32kB (UM) 5*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 32520kB
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: 460*4kB (UME) 425*8kB (UME) 114*16kB (UME) 22*32kB (UME) 22*64kB (UME) 16*128kB (U) 4*256kB (UME) 2*512kB (UE) 8*1024kB (UME) 7*2048kB (UM) 480*4096kB (M) = 2001880kB
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
56093 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
338456 pages reserved
0 pages cma reserved
nla_parse: 16 callbacks suppressed
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.4'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 3463 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x45cb29
RSP: 002b:00007f2d8ae7ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000004e7fc0 RCX: 000000000045cb29
RDX: 0000000000000000 RSI: 000000000000ae41 RDI: 0000000000000005
RBP: 000000000078bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff
R13: 00000000000003a2 R14: 00000000004c64a3 R15: 00007f2d8ae7f6d4
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.1'.
netlink: 24 bytes leftover after parsing attributes in process `syz-executor.3'.
netlink: 28 bytes leftover after parsing attributes in process `syz-executor.1'.
syz-executor.5: page allocation failure: order:0, mode:0x14000c4(GFP_KERNEL|GFP_DMA32), nodemask=(null)
syz-executor.5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 3463 Comm: syz-executor.5 Not tainted 4.14.184-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+0x1b2/0x283 lib/dump_stack.c:58
 warn_alloc.cold+0x96/0x1af mm/page_alloc.c:3249
 __alloc_pages_slowpath mm/page_alloc.c:4096 [inline]
 __alloc_pages_nodemask+0x2129/0x2730 mm/page_alloc.c:4199
 alloc_pages_current+0xe7/0x1e0 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+0xd1/0x1c0 arch/x86/kvm/mmu.c:5160
 kvm_arch_vcpu_init+0x282/0x890 arch/x86/kvm/x86.c:8306
 kvm_vcpu_init+0x26d/0x360 arch/x86/kvm/../../../virt/kvm/kvm_main.c:320
 vmx_create_vcpu+0xf5/0x2950 arch/x86/kvm/vmx.c:10039
 kvm_vm_ioctl_create_vcpu arch/x86/kvm/../../../virt/kvm/kvm_main.c:2549 [inline]
 kvm_vm_ioctl+0x4ae/0x1430 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+0x75a/0xfe0 fs/ioctl.c:684
 SYSC_ioctl fs/ioctl.c:701 [inline]
 SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692

Crashes (3):
Manager Time Kernel Commit Syzkaller Config Log Report Syz repro C repro VM info Title
ci2-linux-4-14 2020/07/06 17:11 linux-4.14.y b850307b279c ac5a135b .config log report
ci2-linux-4-14 2020/07/02 23:29 linux-4.14.y b850307b279c f30c14bf .config log report
ci2-linux-4-14 2020/05/30 14:09 linux-4.14.y 4f68020fef1c 954bd312 .config log report