Hello,
syzbot found the following crash on:
HEAD commit: 43598c57 Linux 4.14.156
git tree: linux-4.14.y
console output:
https://syzkaller.appspot.com/x/log.txt?x=17c50b12e00000
kernel config:
https://syzkaller.appspot.com/x/.config?x=1a4783d222b56f4
dashboard link:
https://syzkaller.appspot.com/bug?extid=b73bd02e6139545a18fe
compiler: gcc (GCC) 9.0.0 20181231 (experimental)
Unfortunately, I don't have any reproducer for this crash yet.
IMPORTANT: if you fix the bug, please add the following tag to the commit:
Reported-by:
syzbot+b73bd0...@syzkaller.appspotmail.com
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: [<ffffffff84f5f82a>] genl_rcv+0x1a/0x40
net/netlink/genetlink.c:635
#1: (genl_mutex){+.+.}, at: [<ffffffff84f63079>] genl_lock
net/netlink/genetlink.c:33 [inline]
#1: (genl_mutex){+.+.}, at: [<ffffffff84f63079>] 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
---
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