possible deadlock in irqfd_resampler_shutdown
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syzbot
Aug 31, 2017, 10:59:03 AM8/31/17
to syzkaller-upst...@googlegroups.com
Hello,
syzkaller hit the following crash on
7159188b70e3a07dd9953f2a0aef9da8c4b1ef2f
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
compiler: gcc (GCC) 7.1.1 20170620
.config is attached
Raw console output is attached.
CC: [bhakti...@gmail.com bornt...@de.ibm.com
cornel...@de.ibm.com da...@redhat.com h...@zytor.com k...@vger.kernel.org
linux-...@vger.kernel.org mi...@redhat.com pbon...@redhat.com
rkr...@redhat.com tg...@linutronix.de x...@kernel.org]
======================================================
WARNING: possible circular locking dependency detected
4.13.0-rc6-next-20170825+ #9 Not tainted
------------------------------------------------------
kworker/2:2/1314 is trying to acquire lock:
(&kvm->irqfds.resampler_lock){+.+.}, at: [<ffffffff81082c33>]
irqfd_resampler_shutdown+0xe3/0x6b0
arch/x86/kvm/../../../virt/kvm/eventfd.c:98
rpcbind: RPC call returned error 22
but task is already holding lock:
((&irqfd->shutdown)){+.+.}, at: [<ffffffff8146858c>]
process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 ((&irqfd->shutdown)){+.+.}:
process_one_work+0xba5/0x1be0 kernel/workqueue.c:2095
worker_thread+0x223/0x1860 kernel/workqueue.c:2233
kthread+0x39c/0x470 kernel/kthread.c:231
ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
0xffffffffffffffff
-> #1 ((complete)&rcu.completion){+.+.}:
check_prevs_add kernel/locking/lockdep.c:2020 [inline]
validate_chain kernel/locking/lockdep.c:2469 [inline]
__lock_acquire+0x3286/0x4620 kernel/locking/lockdep.c:3498
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002
complete_acquire include/linux/completion.h:39 [inline]
__wait_for_common kernel/sched/completion.c:108 [inline]
wait_for_common kernel/sched/completion.c:122 [inline]
wait_for_completion+0xc8/0x770 kernel/sched/completion.c:143
__synchronize_srcu+0x1b5/0x250 kernel/rcu/srcutree.c:898
synchronize_srcu_expedited kernel/rcu/srcutree.c:923 [inline]
synchronize_srcu+0x1a3/0x560 kernel/rcu/srcutree.c:974
kvm_irqfd_assign arch/x86/kvm/../../../virt/kvm/eventfd.c:364
[inline]
kvm_irqfd+0x994/0x1d50 arch/x86/kvm/../../../virt/kvm/eventfd.c:572
kvm_vm_ioctl+0x1079/0x1c40
arch/x86/kvm/../../../virt/kvm/kvm_main.c:3032
vfs_ioctl fs/ioctl.c:45 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
SYSC_ioctl fs/ioctl.c:700 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
entry_SYSCALL_64_fastpath+0x1f/0xbe
-> #0 (&kvm->irqfds.resampler_lock){+.+.}:
check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894
check_prevs_add kernel/locking/lockdep.c:2020 [inline]
validate_chain kernel/locking/lockdep.c:2469 [inline]
__lock_acquire+0x3286/0x4620 kernel/locking/lockdep.c:3498
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1870 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
irqfd_resampler_shutdown+0xe3/0x6b0
arch/x86/kvm/../../../virt/kvm/eventfd.c:98
irqfd_shutdown+0xd8/0x1a0
arch/x86/kvm/../../../virt/kvm/eventfd.c:137
process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2098
worker_thread+0x223/0x1860 kernel/workqueue.c:2233
kthread+0x39c/0x470 kernel/kthread.c:231
ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
other info that might help us debug this:
Chain exists of:
&kvm->irqfds.resampler_lock --> (complete)&rcu.completion -->
(&irqfd->shutdown)
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock((&irqfd->shutdown));
lock((complete)&rcu.completion);
lock((&irqfd->shutdown));
lock(&kvm->irqfds.resampler_lock);
*** DEADLOCK ***
2 locks held by kworker/2:2/1314:
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>]
__write_once_size include/linux/compiler.h:305 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>] atomic64_set
arch/x86/include/asm/atomic64_64.h:33 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>] atomic_long_set
include/asm-generic/atomic-long.h:56 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>] set_work_data
kernel/workqueue.c:617 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>]
set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>]
process_one_work+0xad4/0x1be0 kernel/workqueue.c:2090
#1: ((&irqfd->shutdown)){+.+.}, at: [<ffffffff8146858c>]
process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094
stack backtrace:
CPU: 2 PID: 1314 Comm: kworker/2:2 Not tainted 4.13.0-rc6-next-20170825+ #9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Workqueue: kvm-irqfd-cleanup irqfd_shutdown
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
print_circular_bug+0x503/0x710 kernel/locking/lockdep.c:1259
check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894
check_prevs_add kernel/locking/lockdep.c:2020 [inline]
validate_chain kernel/locking/lockdep.c:2469 [inline]
__lock_acquire+0x3286/0x4620 kernel/locking/lockdep.c:3498
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1870 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
irqfd_resampler_shutdown+0xe3/0x6b0
arch/x86/kvm/../../../virt/kvm/eventfd.c:98
irqfd_shutdown+0xd8/0x1a0 arch/x86/kvm/../../../virt/kvm/eventfd.c:137
process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2098
worker_thread+0x223/0x1860 kernel/workqueue.c:2233
kthread+0x39c/0x470 kernel/kthread.c:231
ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
dccp_v4_rcv: dropped packet with invalid checksum
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=30
sclass=netlink_tcpdiag_socket pig=4289 comm=syz-executor0
dccp_v4_rcv: dropped packet with invalid checksum
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=30
sclass=netlink_tcpdiag_socket pig=4315 comm=syz-executor0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0
sclass=netlink_route_socket pig=4309 comm=syz-executor5
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
nla_parse: 14 callbacks suppressed
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor5'.
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor5'.
RDS: rds_bind could not find a transport for 172.20.5.187, load rds_tcp or
rds_rdma?
capability: warning: `syz-executor7' uses deprecated v2 capabilities in a
way that may be insecure
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=46560
sclass=netlink_tcpdiag_socket pig=4631 comm=syz-executor2
RDS: rds_bind could not find a transport for 172.20.5.187, load rds_tcp or
rds_rdma?
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=46560
sclass=netlink_tcpdiag_socket pig=4649 comm=syz-executor2
syz-executor0: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor0 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4699 Comm: syz-executor0 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007f7ee3928c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019
RBP: 0000000000708000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000004e0 R14: 00000000006e25a0 R15: 0000000000000017
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:92371 inactive_anon:43 isolated_anon:0
active_file:3432 inactive_file:4659 isolated_file:0
unevictable:0 dirty:145 writeback:0 unstable:0
slab_reclaimable:5596 slab_unreclaimable:32732
mapped:20857 shmem:49 pagetables:797 bounce:0
free:254117 free_pcp:1016 free_cma:0
Node 0 active_anon:103864kB inactive_anon:60kB active_file:9052kB
inactive_file:4368kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:39364kB dirty:128kB writeback:0kB shmem:72kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 26624kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 1 active_anon:265632kB inactive_anon:112kB active_file:4676kB
inactive_file:14268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:44064kB dirty:468kB writeback:0kB shmem:124kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 0 DMA free:15908kB min:640kB low:800kB high:960kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0 886 886 886
Node 0 DMA32 free:676988kB min:36536kB low:45668kB high:54800kB
active_anon:89480kB inactive_anon:60kB active_file:9052kB
inactive_file:4368kB unevictable:0kB writepending:128kB present:1032192kB
managed:909748kB mlocked:0kB kernel_stack:2912kB pagetables:1324kB
bounce:0kB free_pcp:1964kB local_pcp:352kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 DMA32 free:329648kB min:30404kB low:38004kB high:45604kB
active_anon:273848kB inactive_anon:112kB active_file:4676kB
inactive_file:14284kB unevictable:0kB writepending:468kB present:1048560kB
managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:1868kB
bounce:0kB free_pcp:2088kB local_pcp:636kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U)
1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 531*4kB (U) 782*8kB (UME) 1024*16kB (UME) 719*32kB (UME)
395*64kB (UME) 94*128kB (UM) 22*256kB (UME) 3*512kB (UME) 3*1024kB (UME)
3*2048kB (UM) 143*4096kB (M) = 687196kB
Node 1 DMA32: 130*4kB (UME) 1422*8kB (UME) 1428*16kB (UME) 862*32kB (UME)
428*64kB (UME) 100*128kB (UME) 33*256kB (UME) 3*512kB (UM) 6*1024kB (UME)
1*2048kB (E) 49*4096kB (M) = 321400kB
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=2048kB
8145 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524186 pages RAM
0 pages HighMem/MovableOnly
103968 pages reserved
syz-executor0: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor0 cpuset=/ mems_allowed=0-1
CPU: 3 PID: 4712 Comm: syz-executor0 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007f7ee38e6c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 0000000000708150 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000004e0 R14: 00000000006e25a0 R15: 000000000000001e
raw_sendmsg: syz-executor6 forgot to set AF_INET. Fix it!
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: failed command: ZAC MANAGEMENT OUT
ata1.00: cmd 9f/01:00:00:00:00/00:00:00:00:00/40 tag 0 nodata 0 out
res 41/04:00:00:00:00/04:00:00:00:00/e0 Emask 0x1 (device error)
ata1.00: status: { DRDY ERR }
ata1.00: error: { ABRT }
ata1.00: device reported invalid CHS sector 0
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000 RIP = 0x000000000000fff0
RFLAGS=0x00000000 DR7 = 0x0000000000000400
Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000
CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR: limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR: limit=0x0000ffff, base=0x0000000000000000
TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff8800509f74c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fe9d4925700 GSBase=ffff88003ed00000 TRBase=ffff88003ed23100
GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000006d2b2000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000301 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd8e1f088d8
TPR Threshold = 0x00
EPT pointer = 0x000000003e37901e
Virtual processor ID = 0x0001
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: failed command: ZAC MANAGEMENT OUT
ata1.00: cmd 9f/01:00:00:00:00/00:00:00:00:00/40 tag 0 nodata 0 out
res 41/04:00:00:00:00/04:00:00:00:00/e0 Emask 0x1 (device error)
ata1.00: status: { DRDY ERR }
ata1.00: error: { ABRT }
ata1.00: device reported invalid CHS sector 0
sock: process `syz-executor3' is using obsolete getsockopt SO_BSDCOMPAT
syz-executor5: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4970 Comm: syz-executor5 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007fac0375fc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019
RBP: 0000000000708000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 0000000000005c90 R14: 00000000006e7d50 R15: 0000000000000000
syz-executor5: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4970 Comm: syz-executor5 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007fac0375fc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001f
RBP: 0000000000708000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000037d0 R14: 00000000006e5890 R15: 0000000000fff000
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000 RIP = 0x000000000000fff0
RFLAGS=0x00000100 DR7 = 0x0000000000000409
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR: limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR: limit=0x0000ffff, base=0x0000000000000000
TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff88004fc2f4c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fac03760700 GSBase=ffff88006df00000 TRBase=ffff88006df23100
GDTBase=ffffffffff574000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000004fea9000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=0006004a PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd83616d8be
TPR Threshold = 0x00
EPT pointer = 0x000000006af0601e
Virtual processor ID = 0x0023
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000 RIP = 0x000000000000fff0
RFLAGS=0x00000100 DR7 = 0x0000000000000409
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR: limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR: limit=0x0000ffff, base=0x0000000000000000
TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff88004fc2f4c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fac03760700 GSBase=ffff88006df00000 TRBase=ffff88006df23100
GDTBase=ffffffffff574000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000004fea9000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=0006004a PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd81f86099e
TPR Threshold = 0x00
EPT pointer = 0x000000006d14901e
Virtual processor ID = 0x0001
QAT: Invalid ioctl
QAT: Invalid ioctl
sctp: [Deprecated]: syz-executor0 (pid 5273) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
syz-executor3: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor3 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 5294 Comm: syz-executor3 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
sctp: [Deprecated]: syz-executor0 (pid 5301) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007ffaabff0c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 0000000000000000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffaabff19c0 R15: 00007ffaabff1700
warn_alloc_show_mem: 3 callbacks suppressed
Mem-Info:
active_anon:94530 inactive_anon:44 isolated_anon:0
active_file:3433 inactive_file:4682 isolated_file:0
unevictable:0 dirty:177 writeback:0 unstable:0
slab_reclaimable:6182 slab_unreclaimable:34917
mapped:20909 shmem:51 pagetables:803 bounce:0
free:248804 free_pcp:1084 free_cma:0
Node 0 active_anon:94224kB inactive_anon:60kB active_file:9056kB
inactive_file:4424kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:39364kB dirty:212kB writeback:0kB shmem:72kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 30720kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 1 active_anon:271624kB inactive_anon:116kB active_file:4676kB
inactive_file:14304kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:44272kB dirty:496kB writeback:0kB shmem:132kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 0 DMA free:15908kB min:640kB low:800kB high:960kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0 886 886 886
Node 0 DMA32 free:676524kB min:36536kB low:45668kB high:54800kB
active_anon:92284kB inactive_anon:60kB active_file:9056kB
inactive_file:4424kB unevictable:0kB writepending:212kB present:1032192kB
managed:909748kB mlocked:0kB kernel_stack:3008kB pagetables:1316kB
bounce:0kB free_pcp:1708kB local_pcp:304kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 DMA32 free:319220kB min:30404kB low:38004kB high:45604kB
active_anon:269496kB inactive_anon:116kB active_file:4676kB
inactive_file:14304kB unevictable:0kB writepending:496kB present:1048560kB
managed:755216kB mlocked:0kB kernel_stack:2240kB pagetables:1896kB
bounce:0kB free_pcp:2456kB local_pcp:716kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U)
1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 507*4kB (UME) 755*8kB (UME) 1003*16kB (UME) 713*32kB (UME)
396*64kB (UME) 92*128kB (UM) 23*256kB (UME) 3*512kB (UME) 3*1024kB (UME)
2*2048kB (M) 140*4096kB (M) = 672084kB
Node 1 DMA32: 41*4kB (UME) 424*8kB (ME) 1341*16kB (ME) 784*32kB (UM)
445*64kB (UM) 112*128kB (UM) 44*256kB (UM) 6*512kB (UME) 5*1024kB (UME)
1*2048kB (M) 50*4096kB (M) = 319220kB
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=2048kB
8165 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524186 pages RAM
0 pages HighMem/MovableOnly
103968 pages reserved
syz-executor3: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor3 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 5315 Comm: syz-executor3 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007ffaabfaec08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 0000000000708150 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000001c0 R14: 00000000006e2280 R15: 0000000020003ff0
device syz7 entered promiscuous mode
device syz7 left promiscuous mode
kauditd_printk_skb: 9 callbacks suppressed
audit: type=1326 audit(1503773217.886:21): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5363 comm="syz-executor4"
exe="/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
QAT: Invalid ioctl
QAT: Invalid ioctl
audit: type=1326 audit(1503773217.959:22): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5401 comm="syz-executor3"
exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773217.964:23): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5363 comm="syz-executor4"
exe="/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
netlink: 3224 bytes leftover after parsing attributes in process
`syz-executor2'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor7'.
device bond0 entered promiscuous mode
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008f
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008e
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008d
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008c
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008b
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008a
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000089
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000088
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000087
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000086
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023
data 0x66c900003b9a1043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022
data 0x66c90000cb211043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023
data 0x66c900003b9a1043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022
data 0x66c90000cb211043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000020
data 0x66c90000000a1043
kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns
lo: Invalid MTU -494141437 requested, hw min 0
kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns
lo: Invalid MTU -494141437 requested, hw min 0
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor5'.
device syz5 entered promiscuous mode
device syz5 left promiscuous mode
device syz5 entered promiscuous mode
TCP: request_sock_TCP: Possible SYN flooding on port 20020. Sending
cookies. Check SNMP counters.
sctp: [Deprecated]: syz-executor7 (pid 5787) Use of int in max_burst socket
option deprecated.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor7 (pid 5830) Use of int in max_burst socket
option deprecated.
Use struct sctp_assoc_value instead
TCP: request_sock_TCPv6: Possible SYN flooding on port 20013. Sending
cookies. Check SNMP counters.
kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns
kvm [5843]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023
data 0x66c900003b9a1043
kvm [5843]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022
data 0x66c90000cb211043
rpcbind: RPC call returned error 22
rpcbind: RPC call returned error 22
sctp: [Deprecated]: syz-executor2 (pid 5889) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor2 (pid 5889) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
device syz3 entered promiscuous mode
device syz3 left promiscuous mode
device syz3 entered promiscuous mode
sock: process `syz-executor4' is using obsolete getsockopt SO_BSDCOMPAT
audit: type=1326 audit(1503773219.657:24): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5953 comm="syz-executor3"
exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773219.728:25): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5953 comm="syz-executor3"
exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773219.743:26): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5982 comm="syz-executor6"
exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0x0
sctp: [Deprecated]: syz-executor5 (pid 6018) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
audit: type=1326 audit(1503773219.761:27): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=6000 comm="syz-executor5"
exe="/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773219.788:28): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5982 comm="syz-executor6"
exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0x0
sctp: [Deprecated]: syz-executor5 (pid 6069) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
audit: type=1326 audit(1503773219.822:29): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=6000 comm="syz-executor5"
exe="/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
sctp: [Deprecated]: syz-executor2 (pid 6068) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
kvm_pmu: event creation failed -2
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
sctp: [Deprecated]: syz-executor2 (pid 6068) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
audit: type=1326 audit(1503773220.009:30): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=6162 comm="syz-executor6"
exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
kvm: apic: phys broadcast and lowest prio
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
BUG: sleeping function called from invalid context
at ./include/linux/uaccess.h:71
in_atomic(): 1, irqs_disabled(): 0, pid: 6241, name: syz-executor5
INFO: lockdep is turned off.
CPU: 0 PID: 6241 Comm: syz-executor5 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
___might_sleep+0x2b2/0x470 kernel/sched/core.c:6022
__might_sleep+0x95/0x190 kernel/sched/core.c:5975
__might_fault+0xab/0x1d0 mm/memory.c:4483
__copy_from_user include/linux/uaccess.h:71 [inline]
paging32_walk_addr_generic+0x427/0x1e10 arch/x86/kvm/paging_tmpl.h:369
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
paging32_walk_addr arch/x86/kvm/paging_tmpl.h:475 [inline]
paging32_gva_to_gpa+0xa5/0x230 arch/x86/kvm/paging_tmpl.h:913
kvm_read_guest_virt_helper+0xd8/0x140 arch/x86/kvm/x86.c:4427
kvm_read_guest_virt_system+0x3c/0x50 arch/x86/kvm/x86.c:4494
segmented_read_std+0x10c/0x180 arch/x86/kvm/emulate.c:822
em_fxrstor+0x27b/0x410 arch/x86/kvm/emulate.c:4025
x86_emulate_insn+0x55d/0x3cf0 arch/x86/kvm/emulate.c:5483
x86_emulate_instruction+0x411/0x1ca0 arch/x86/kvm/x86.c:5726
kvm_mmu_page_fault+0x1b0/0x2f0 arch/x86/kvm/mmu.c:4932
handle_ept_violation+0x194/0x540 arch/x86/kvm/vmx.c:6509
vmx_handle_exit+0x24b/0x1a60 arch/x86/kvm/vmx.c:8830
vcpu_enter_guest arch/x86/kvm/x86.c:7040 [inline]
vcpu_run arch/x86/kvm/x86.c:7102 [inline]
kvm_arch_vcpu_ioctl_run+0x1d36/0x5a30 arch/x86/kvm/x86.c:7263
kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2592
vfs_ioctl fs/ioctl.c:45 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
SYSC_ioctl fs/ioctl.c:700 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007fac0375fc08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000446749
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000019
RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00000000ffffffff
R13: 0000000000001e10 R14: 00000000006e3ed0 R15: 000000008080aea1
TCP: request_sock_TCP: Possible SYN flooding on port 20024. Sending
cookies. Check SNMP counters.
SELinux: failure in selinux_parse_skb(), unable to parse packet
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=28
sclass=netlink_tcpdiag_socket pig=6313 comm=syz-executor2
SELinux: failure in selinux_parse_skb(), unable to parse packet
*** Guest State ***
CR0: actual=0x0000000000000022, shadow=0x0000000000000002,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000022050, shadow=0x0000000000020010,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000f80 RIP = 0x0000000000000000
RFLAGS=0x00000002 DR7 = 0x0000000000000400
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0x0013, attr=0x10000, limit=0x00001000, base=0x000000000000f000
DS: sel=0x0000, attr=0x10000, limit=0x0000d000, base=0x0000000000000004
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=28
sclass=netlink_tcpdiag_socket pig=6330 comm=syz-executor2
SS: sel=0x0000, attr=0x10000, limit=0x00002000, base=0x0000000000100001
ES: sel=0x000b, attr=0x10000, limit=0x00107000, base=0x000000000000f000
FS: sel=0x0008, attr=0x10000, limit=0x00010000, base=0x0000000000010000
GS: sel=0x0000, attr=0x10000, limit=0x00000001, base=0x000000000000f000
GDTR: limit=0x0000d000, base=0x000000000000d000
LDTR: sel=0x000b, attr=0x10000, limit=0x00014001, base=0x000000000000f000
IDTR: limit=0x0000f007, base=0x000000000000f000
TR: sel=0x000d, attr=0x10000, limit=0x00000001, base=0x0000000000006000
EFER = 0x0000000000008000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff880050cf74c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fe9d4969700 GSBase=ffff88006de00000 TRBase=ffff88006df23100
GDTBase=ffffffffff574000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000002d6a7000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000007f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000001 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd4d6bdaed0
TPR Threshold = 0x00
EPT pointer = 0x000000005151201e
Virtual processor ID = 0x002d
*** Guest State ***
CR0: actual=0x0000000000000020, shadow=0x0000000000000000,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000f80 RIP = 0x0000000000000000
RFLAGS=0x00000002 DR7 = 0x0000000000000400
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
DS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
SS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
ES: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
FS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
GS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
GDTR: limit=0x00000000, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
nla_parse: 1 callbacks suppressed
netlink: 8 bytes leftover after parsing attributes in process
`syz-executor1'.
IDTR: limit=0x00000000, base=0x0000000000000000
TR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff880050cf74c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fe9d4969700 GSBase=ffff88006de00000 TRBase=ffff88006de23100
GDTBase=ffffffffff575000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000002d6a7000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000007f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000001 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd4d6bdaed0
TPR Threshold = 0x00
EPT pointer = 0x000000005151201e
Virtual processor ID = 0x002d
netlink: 8 bytes leftover after parsing attributes in process
`syz-executor1'.
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=513
sclass=netlink_tcpdiag_socket pig=6382 comm=syz-executor1
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=513
sclass=netlink_tcpdiag_socket pig=6388 comm=syz-executor1
sctp: [Deprecated]: syz-executor2 (pid 6476) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
netlink: 1 bytes leftover after parsing attributes in process
`syz-executor5'.
netlink: 1 bytes leftover after parsing attributes in process
`syz-executor5'.
sctp: [Deprecated]: syz-executor2 (pid 6476) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor3 (pid 6567) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
RDS: rds_bind could not find a transport for 63.255.128.0, load rds_tcp or
rds_rdma?
RDS: rds_bind could not find a transport for 63.255.128.0, load rds_tcp or
rds_rdma?
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor1'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor1'.
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
dccp_invalid_packet: pskb_may_pull failed
dccp_invalid_packet: pskb_may_pull failed
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
device lo entered promiscuous mode
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor7'.
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=19
sclass=netlink_audit_socket pig=6925 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=19
sclass=netlink_audit_socket pig=6930 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535
sclass=netlink_xfrm_socket pig=7120 comm=syz-executor0
netlink: 24 bytes leftover after parsing attributes in process
`syz-executor0'.
netlink: 60 bytes leftover after parsing attributes in process
`syz-executor0'.
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535
sclass=netlink_xfrm_socket pig=7138 comm=syz-executor0
sctp: [Deprecated]: syz-executor7 (pid 7162) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
sctp: [Deprecated]: syz-executor7 (pid 7162) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor7 (pid 7162) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
sctp: [Deprecated]: syz-executor7 (pid 7197) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
FAULT_FLAG_ALLOW_RETRY missing 31
CPU: 1 PID: 7201 Comm: syz-executor6 Tainted: G W
4.13.0-rc6-next-20170825+ #9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
handle_userfault+0x11ec/0x2390 fs/userfaultfd.c:427
do_anonymous_page mm/memory.c:3135 [inline]
handle_pte_fault mm/memory.c:3908 [inline]
__handle_mm_fault+0x3823/0x39c0 mm/memory.c:4034
---
This bug is generated by a dumb bot. It may contain errors.
See https://goo.gl/tpsmEJ for details.
Direct all questions to syzk...@googlegroups.com.
syzbot will keep track of this bug report.
Once a fix for this bug is committed, please reply to this email with:
#syz fix: exact-commit-title
To mark this as a duplicate of another syzbot report, please reply with:
#syz dup: exact-subject-of-another-report
If it's a one-off invalid bug report, please reply with:
#syz invalid
Note: if the crash happens again, it will cause creation of a new bug
report.
To upstream this report, please reply with:
#syz upstream
syzkaller hit the following crash on
7159188b70e3a07dd9953f2a0aef9da8c4b1ef2f
git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/master
compiler: gcc (GCC) 7.1.1 20170620
.config is attached
Raw console output is attached.
CC: [bhakti...@gmail.com bornt...@de.ibm.com
cornel...@de.ibm.com da...@redhat.com h...@zytor.com k...@vger.kernel.org
linux-...@vger.kernel.org mi...@redhat.com pbon...@redhat.com
rkr...@redhat.com tg...@linutronix.de x...@kernel.org]
======================================================
WARNING: possible circular locking dependency detected
4.13.0-rc6-next-20170825+ #9 Not tainted
------------------------------------------------------
kworker/2:2/1314 is trying to acquire lock:
(&kvm->irqfds.resampler_lock){+.+.}, at: [<ffffffff81082c33>]
irqfd_resampler_shutdown+0xe3/0x6b0
arch/x86/kvm/../../../virt/kvm/eventfd.c:98
rpcbind: RPC call returned error 22
but task is already holding lock:
((&irqfd->shutdown)){+.+.}, at: [<ffffffff8146858c>]
process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 ((&irqfd->shutdown)){+.+.}:
process_one_work+0xba5/0x1be0 kernel/workqueue.c:2095
worker_thread+0x223/0x1860 kernel/workqueue.c:2233
kthread+0x39c/0x470 kernel/kthread.c:231
ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
0xffffffffffffffff
-> #1 ((complete)&rcu.completion){+.+.}:
check_prevs_add kernel/locking/lockdep.c:2020 [inline]
validate_chain kernel/locking/lockdep.c:2469 [inline]
__lock_acquire+0x3286/0x4620 kernel/locking/lockdep.c:3498
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002
complete_acquire include/linux/completion.h:39 [inline]
__wait_for_common kernel/sched/completion.c:108 [inline]
wait_for_common kernel/sched/completion.c:122 [inline]
wait_for_completion+0xc8/0x770 kernel/sched/completion.c:143
__synchronize_srcu+0x1b5/0x250 kernel/rcu/srcutree.c:898
synchronize_srcu_expedited kernel/rcu/srcutree.c:923 [inline]
synchronize_srcu+0x1a3/0x560 kernel/rcu/srcutree.c:974
kvm_irqfd_assign arch/x86/kvm/../../../virt/kvm/eventfd.c:364
[inline]
kvm_irqfd+0x994/0x1d50 arch/x86/kvm/../../../virt/kvm/eventfd.c:572
kvm_vm_ioctl+0x1079/0x1c40
arch/x86/kvm/../../../virt/kvm/kvm_main.c:3032
vfs_ioctl fs/ioctl.c:45 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
SYSC_ioctl fs/ioctl.c:700 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
entry_SYSCALL_64_fastpath+0x1f/0xbe
-> #0 (&kvm->irqfds.resampler_lock){+.+.}:
check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894
check_prevs_add kernel/locking/lockdep.c:2020 [inline]
validate_chain kernel/locking/lockdep.c:2469 [inline]
__lock_acquire+0x3286/0x4620 kernel/locking/lockdep.c:3498
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1870 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
irqfd_resampler_shutdown+0xe3/0x6b0
arch/x86/kvm/../../../virt/kvm/eventfd.c:98
irqfd_shutdown+0xd8/0x1a0
arch/x86/kvm/../../../virt/kvm/eventfd.c:137
process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2098
worker_thread+0x223/0x1860 kernel/workqueue.c:2233
kthread+0x39c/0x470 kernel/kthread.c:231
ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
other info that might help us debug this:
Chain exists of:
&kvm->irqfds.resampler_lock --> (complete)&rcu.completion -->
(&irqfd->shutdown)
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock((&irqfd->shutdown));
lock((complete)&rcu.completion);
lock((&irqfd->shutdown));
lock(&kvm->irqfds.resampler_lock);
*** DEADLOCK ***
2 locks held by kworker/2:2/1314:
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>]
__write_once_size include/linux/compiler.h:305 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>] atomic64_set
arch/x86/include/asm/atomic64_64.h:33 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>] atomic_long_set
include/asm-generic/atomic-long.h:56 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>] set_work_data
kernel/workqueue.c:617 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>]
set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline]
#0: ("kvm-irqfd-cleanup"){++++}, at: [<ffffffff81468534>]
process_one_work+0xad4/0x1be0 kernel/workqueue.c:2090
#1: ((&irqfd->shutdown)){+.+.}, at: [<ffffffff8146858c>]
process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094
stack backtrace:
CPU: 2 PID: 1314 Comm: kworker/2:2 Not tainted 4.13.0-rc6-next-20170825+ #9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Workqueue: kvm-irqfd-cleanup irqfd_shutdown
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
print_circular_bug+0x503/0x710 kernel/locking/lockdep.c:1259
check_prev_add+0x865/0x1520 kernel/locking/lockdep.c:1894
check_prevs_add kernel/locking/lockdep.c:2020 [inline]
validate_chain kernel/locking/lockdep.c:2469 [inline]
__lock_acquire+0x3286/0x4620 kernel/locking/lockdep.c:3498
lock_acquire+0x1d5/0x580 kernel/locking/lockdep.c:4002
__mutex_lock_common kernel/locking/mutex.c:756 [inline]
__mutex_lock+0x16f/0x1870 kernel/locking/mutex.c:893
mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908
irqfd_resampler_shutdown+0xe3/0x6b0
arch/x86/kvm/../../../virt/kvm/eventfd.c:98
irqfd_shutdown+0xd8/0x1a0 arch/x86/kvm/../../../virt/kvm/eventfd.c:137
process_one_work+0xbfd/0x1be0 kernel/workqueue.c:2098
worker_thread+0x223/0x1860 kernel/workqueue.c:2233
kthread+0x39c/0x470 kernel/kthread.c:231
ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431
dccp_v4_rcv: dropped packet with invalid checksum
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=30
sclass=netlink_tcpdiag_socket pig=4289 comm=syz-executor0
dccp_v4_rcv: dropped packet with invalid checksum
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=30
sclass=netlink_tcpdiag_socket pig=4315 comm=syz-executor0
SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0
sclass=netlink_route_socket pig=4309 comm=syz-executor5
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable
nla_parse: 14 callbacks suppressed
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor5'.
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor5'.
RDS: rds_bind could not find a transport for 172.20.5.187, load rds_tcp or
rds_rdma?
capability: warning: `syz-executor7' uses deprecated v2 capabilities in a
way that may be insecure
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=46560
sclass=netlink_tcpdiag_socket pig=4631 comm=syz-executor2
RDS: rds_bind could not find a transport for 172.20.5.187, load rds_tcp or
rds_rdma?
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=46560
sclass=netlink_tcpdiag_socket pig=4649 comm=syz-executor2
syz-executor0: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor0 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4699 Comm: syz-executor0 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007f7ee3928c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019
RBP: 0000000000708000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000004e0 R14: 00000000006e25a0 R15: 0000000000000017
warn_alloc_show_mem: 1 callbacks suppressed
Mem-Info:
active_anon:92371 inactive_anon:43 isolated_anon:0
active_file:3432 inactive_file:4659 isolated_file:0
unevictable:0 dirty:145 writeback:0 unstable:0
slab_reclaimable:5596 slab_unreclaimable:32732
mapped:20857 shmem:49 pagetables:797 bounce:0
free:254117 free_pcp:1016 free_cma:0
Node 0 active_anon:103864kB inactive_anon:60kB active_file:9052kB
inactive_file:4368kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:39364kB dirty:128kB writeback:0kB shmem:72kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 26624kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 1 active_anon:265632kB inactive_anon:112kB active_file:4676kB
inactive_file:14268kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:44064kB dirty:468kB writeback:0kB shmem:124kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 10240kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 0 DMA free:15908kB min:640kB low:800kB high:960kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0 886 886 886
Node 0 DMA32 free:676988kB min:36536kB low:45668kB high:54800kB
active_anon:89480kB inactive_anon:60kB active_file:9052kB
inactive_file:4368kB unevictable:0kB writepending:128kB present:1032192kB
managed:909748kB mlocked:0kB kernel_stack:2912kB pagetables:1324kB
bounce:0kB free_pcp:1964kB local_pcp:352kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 DMA32 free:329648kB min:30404kB low:38004kB high:45604kB
active_anon:273848kB inactive_anon:112kB active_file:4676kB
inactive_file:14284kB unevictable:0kB writepending:468kB present:1048560kB
managed:755216kB mlocked:0kB kernel_stack:2176kB pagetables:1868kB
bounce:0kB free_pcp:2088kB local_pcp:636kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U)
1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 531*4kB (U) 782*8kB (UME) 1024*16kB (UME) 719*32kB (UME)
395*64kB (UME) 94*128kB (UM) 22*256kB (UME) 3*512kB (UME) 3*1024kB (UME)
3*2048kB (UM) 143*4096kB (M) = 687196kB
Node 1 DMA32: 130*4kB (UME) 1422*8kB (UME) 1428*16kB (UME) 862*32kB (UME)
428*64kB (UME) 100*128kB (UME) 33*256kB (UME) 3*512kB (UM) 6*1024kB (UME)
1*2048kB (E) 49*4096kB (M) = 321400kB
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=2048kB
8145 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524186 pages RAM
0 pages HighMem/MovableOnly
103968 pages reserved
syz-executor0: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor0 cpuset=/ mems_allowed=0-1
CPU: 3 PID: 4712 Comm: syz-executor0 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007f7ee38e6c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000020 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000020
RBP: 0000000000708150 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000004e0 R14: 00000000006e25a0 R15: 000000000000001e
raw_sendmsg: syz-executor6 forgot to set AF_INET. Fix it!
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: failed command: ZAC MANAGEMENT OUT
ata1.00: cmd 9f/01:00:00:00:00/00:00:00:00:00/40 tag 0 nodata 0 out
res 41/04:00:00:00:00/04:00:00:00:00/e0 Emask 0x1 (device error)
ata1.00: status: { DRDY ERR }
ata1.00: error: { ABRT }
ata1.00: device reported invalid CHS sector 0
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000 RIP = 0x000000000000fff0
RFLAGS=0x00000000 DR7 = 0x0000000000000400
Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000
CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR: limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR: limit=0x0000ffff, base=0x0000000000000000
TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff8800509f74c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fe9d4925700 GSBase=ffff88003ed00000 TRBase=ffff88003ed23100
GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000006d2b2000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000301 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd8e1f088d8
TPR Threshold = 0x00
EPT pointer = 0x000000003e37901e
Virtual processor ID = 0x0001
ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0
ata1.00: failed command: ZAC MANAGEMENT OUT
ata1.00: cmd 9f/01:00:00:00:00/00:00:00:00:00/40 tag 0 nodata 0 out
res 41/04:00:00:00:00/04:00:00:00:00/e0 Emask 0x1 (device error)
ata1.00: status: { DRDY ERR }
ata1.00: error: { ABRT }
ata1.00: device reported invalid CHS sector 0
sock: process `syz-executor3' is using obsolete getsockopt SO_BSDCOMPAT
syz-executor5: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4970 Comm: syz-executor5 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007fac0375fc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000019
RBP: 0000000000708000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 0000000000005c90 R14: 00000000006e7d50 R15: 0000000000000000
syz-executor5: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor5 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 4970 Comm: syz-executor5 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007fac0375fc08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 000000000000001f RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 000000000000001f
RBP: 0000000000708000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000037d0 R14: 00000000006e5890 R15: 0000000000fff000
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000 RIP = 0x000000000000fff0
RFLAGS=0x00000100 DR7 = 0x0000000000000409
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR: limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR: limit=0x0000ffff, base=0x0000000000000000
TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff88004fc2f4c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fac03760700 GSBase=ffff88006df00000 TRBase=ffff88006df23100
GDTBase=ffffffffff574000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000004fea9000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=0006004a PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd83616d8be
TPR Threshold = 0x00
EPT pointer = 0x000000006af0601e
Virtual processor ID = 0x0023
*** Guest State ***
CR0: actual=0x0000000000000030, shadow=0x0000000060000010,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000000 RIP = 0x000000000000fff0
RFLAGS=0x00000100 DR7 = 0x0000000000000409
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0xf000, attr=0x0009b, limit=0x0000ffff, base=0x00000000ffff0000
DS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
SS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
ES: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
FS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GS: sel=0x0000, attr=0x00093, limit=0x0000ffff, base=0x0000000000000000
GDTR: limit=0x0000ffff, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x00082, limit=0x0000ffff, base=0x0000000000000000
IDTR: limit=0x0000ffff, base=0x0000000000000000
TR: sel=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff88004fc2f4c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fac03760700 GSBase=ffff88006df00000 TRBase=ffff88006df23100
GDTBase=ffffffffff574000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000004fea9000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000003f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=0006004a PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=00000000 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd81f86099e
TPR Threshold = 0x00
EPT pointer = 0x000000006d14901e
Virtual processor ID = 0x0001
QAT: Invalid ioctl
QAT: Invalid ioctl
sctp: [Deprecated]: syz-executor0 (pid 5273) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
syz-executor3: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor3 cpuset=/ mems_allowed=0-1
CPU: 1 PID: 5294 Comm: syz-executor3 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
sctp: [Deprecated]: syz-executor0 (pid 5301) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007ffaabff0c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 0000000000000000 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 0000000000000000
R13: 0000000000000000 R14: 00007ffaabff19c0 R15: 00007ffaabff1700
warn_alloc_show_mem: 3 callbacks suppressed
Mem-Info:
active_anon:94530 inactive_anon:44 isolated_anon:0
active_file:3433 inactive_file:4682 isolated_file:0
unevictable:0 dirty:177 writeback:0 unstable:0
slab_reclaimable:6182 slab_unreclaimable:34917
mapped:20909 shmem:51 pagetables:803 bounce:0
free:248804 free_pcp:1084 free_cma:0
Node 0 active_anon:94224kB inactive_anon:60kB active_file:9056kB
inactive_file:4424kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:39364kB dirty:212kB writeback:0kB shmem:72kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 30720kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 1 active_anon:271624kB inactive_anon:116kB active_file:4676kB
inactive_file:14304kB unevictable:0kB isolated(anon):0kB isolated(file):0kB
mapped:44272kB dirty:496kB writeback:0kB shmem:132kB shmem_thp: 0kB
shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB
all_unreclaimable? no
Node 0 DMA free:15908kB min:640kB low:800kB high:960kB active_anon:0kB
inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB
writepending:0kB present:15992kB managed:15908kB mlocked:0kB
kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB
free_cma:0kB
lowmem_reserve[]: 0 886 886 886
Node 0 DMA32 free:676524kB min:36536kB low:45668kB high:54800kB
active_anon:92284kB inactive_anon:60kB active_file:9056kB
inactive_file:4424kB unevictable:0kB writepending:212kB present:1032192kB
managed:909748kB mlocked:0kB kernel_stack:3008kB pagetables:1316kB
bounce:0kB free_pcp:1708kB local_pcp:304kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 1 DMA32 free:319220kB min:30404kB low:38004kB high:45604kB
active_anon:269496kB inactive_anon:116kB active_file:4676kB
inactive_file:14304kB unevictable:0kB writepending:496kB present:1048560kB
managed:755216kB mlocked:0kB kernel_stack:2240kB pagetables:1896kB
bounce:0kB free_pcp:2456kB local_pcp:716kB free_cma:0kB
lowmem_reserve[]: 0 0 0 0
Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U)
1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
Node 0 DMA32: 507*4kB (UME) 755*8kB (UME) 1003*16kB (UME) 713*32kB (UME)
396*64kB (UME) 92*128kB (UM) 23*256kB (UME) 3*512kB (UME) 3*1024kB (UME)
2*2048kB (M) 140*4096kB (M) = 672084kB
Node 1 DMA32: 41*4kB (UME) 424*8kB (ME) 1341*16kB (ME) 784*32kB (UM)
445*64kB (UM) 112*128kB (UM) 44*256kB (UM) 6*512kB (UME) 5*1024kB (UME)
1*2048kB (M) 50*4096kB (M) = 319220kB
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=2048kB
8165 total pagecache pages
0 pages in swap cache
Swap cache stats: add 0, delete 0, find 0/0
Free swap = 0kB
Total swap = 0kB
524186 pages RAM
0 pages HighMem/MovableOnly
103968 pages reserved
syz-executor3: vmalloc: allocation failure: 4833356120 bytes,
mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null)
syz-executor3 cpuset=/ mems_allowed=0-1
CPU: 0 PID: 5315 Comm: syz-executor3 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
warn_alloc+0x1c2/0x2f0 mm/page_alloc.c:3254
__vmalloc_node_range+0x599/0x730 mm/vmalloc.c:1781
__vmalloc_node mm/vmalloc.c:1810 [inline]
__vmalloc_node_flags_caller+0x50/0x60 mm/vmalloc.c:1832
kvmalloc_node+0x82/0xd0 mm/util.c:406
kvmalloc include/linux/mm.h:529 [inline]
kvmalloc_array include/linux/mm.h:545 [inline]
xt_alloc_entry_offsets+0x21/0x30 net/netfilter/x_tables.c:774
translate_table+0x235/0x1610 net/ipv4/netfilter/ip_tables.c:692
do_replace net/ipv4/netfilter/ip_tables.c:1135 [inline]
do_ipt_set_ctl+0x34b/0x5c0 net/ipv4/netfilter/ip_tables.c:1669
nf_sockopt net/netfilter/nf_sockopt.c:105 [inline]
nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114
ip_setsockopt+0xa1/0xb0 net/ipv4/ip_sockglue.c:1251
tcp_setsockopt+0x82/0xd0 net/ipv4/tcp.c:2800
sock_common_setsockopt+0x95/0xd0 net/core/sock.c:2970
SYSC_setsockopt net/socket.c:1852 [inline]
SyS_setsockopt+0x189/0x360 net/socket.c:1831
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007ffaabfaec08 EFLAGS: 00000296 ORIG_RAX: 0000000000000036
RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000446749
RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000016
RBP: 0000000000708150 R08: 0000000000000056 R09: 0000000000000000
R10: 0000000020006000 R11: 0000000000000296 R12: 00000000ffffffff
R13: 00000000000001c0 R14: 00000000006e2280 R15: 0000000020003ff0
device syz7 entered promiscuous mode
device syz7 left promiscuous mode
kauditd_printk_skb: 9 callbacks suppressed
audit: type=1326 audit(1503773217.886:21): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5363 comm="syz-executor4"
exe="/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
QAT: Invalid ioctl
QAT: Invalid ioctl
audit: type=1326 audit(1503773217.959:22): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5401 comm="syz-executor3"
exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773217.964:23): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5363 comm="syz-executor4"
exe="/syz-executor4" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
netlink: 3224 bytes leftover after parsing attributes in process
`syz-executor2'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 2 bytes leftover after parsing attributes in process
`syz-executor7'.
device bond0 entered promiscuous mode
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008f
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008e
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008d
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008c
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008b
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008a
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000089
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000088
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000087
kvm [5507]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000086
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023
data 0x66c900003b9a1043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022
data 0x66c90000cb211043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023
data 0x66c900003b9a1043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022
data 0x66c90000cb211043
kvm [5507]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000020
data 0x66c90000000a1043
kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns
lo: Invalid MTU -494141437 requested, hw min 0
kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns
lo: Invalid MTU -494141437 requested, hw min 0
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor5'.
device syz5 entered promiscuous mode
device syz5 left promiscuous mode
device syz5 entered promiscuous mode
TCP: request_sock_TCP: Possible SYN flooding on port 20020. Sending
cookies. Check SNMP counters.
sctp: [Deprecated]: syz-executor7 (pid 5787) Use of int in max_burst socket
option deprecated.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor7 (pid 5830) Use of int in max_burst socket
option deprecated.
Use struct sctp_assoc_value instead
TCP: request_sock_TCPv6: Possible SYN flooding on port 20013. Sending
cookies. Check SNMP counters.
kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns
kvm [5843]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023
data 0x66c900003b9a1043
kvm [5843]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022
data 0x66c90000cb211043
rpcbind: RPC call returned error 22
rpcbind: RPC call returned error 22
sctp: [Deprecated]: syz-executor2 (pid 5889) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor2 (pid 5889) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
device syz3 entered promiscuous mode
device syz3 left promiscuous mode
device syz3 entered promiscuous mode
sock: process `syz-executor4' is using obsolete getsockopt SO_BSDCOMPAT
audit: type=1326 audit(1503773219.657:24): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5953 comm="syz-executor3"
exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773219.728:25): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5953 comm="syz-executor3"
exe="/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773219.743:26): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5982 comm="syz-executor6"
exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0x0
sctp: [Deprecated]: syz-executor5 (pid 6018) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
audit: type=1326 audit(1503773219.761:27): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=6000 comm="syz-executor5"
exe="/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
audit: type=1326 audit(1503773219.788:28): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=5982 comm="syz-executor6"
exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0x0
sctp: [Deprecated]: syz-executor5 (pid 6069) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
audit: type=1326 audit(1503773219.822:29): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=6000 comm="syz-executor5"
exe="/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
sctp: [Deprecated]: syz-executor2 (pid 6068) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
kvm_pmu: event creation failed -2
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
sctp: [Deprecated]: syz-executor2 (pid 6068) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
audit: type=1326 audit(1503773220.009:30): auid=4294967295 uid=0 gid=0
ses=4294967295 subj=kernel pid=6162 comm="syz-executor6"
exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749
code=0xffff0000
kvm: apic: phys broadcast and lowest prio
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
BUG: sleeping function called from invalid context
at ./include/linux/uaccess.h:71
in_atomic(): 1, irqs_disabled(): 0, pid: 6241, name: syz-executor5
INFO: lockdep is turned off.
CPU: 0 PID: 6241 Comm: syz-executor5 Not tainted 4.13.0-rc6-next-20170825+
#9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
___might_sleep+0x2b2/0x470 kernel/sched/core.c:6022
__might_sleep+0x95/0x190 kernel/sched/core.c:5975
__might_fault+0xab/0x1d0 mm/memory.c:4483
__copy_from_user include/linux/uaccess.h:71 [inline]
paging32_walk_addr_generic+0x427/0x1e10 arch/x86/kvm/paging_tmpl.h:369
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
QAT: Invalid ioctl
paging32_walk_addr arch/x86/kvm/paging_tmpl.h:475 [inline]
paging32_gva_to_gpa+0xa5/0x230 arch/x86/kvm/paging_tmpl.h:913
kvm_read_guest_virt_helper+0xd8/0x140 arch/x86/kvm/x86.c:4427
kvm_read_guest_virt_system+0x3c/0x50 arch/x86/kvm/x86.c:4494
segmented_read_std+0x10c/0x180 arch/x86/kvm/emulate.c:822
em_fxrstor+0x27b/0x410 arch/x86/kvm/emulate.c:4025
x86_emulate_insn+0x55d/0x3cf0 arch/x86/kvm/emulate.c:5483
x86_emulate_instruction+0x411/0x1ca0 arch/x86/kvm/x86.c:5726
kvm_mmu_page_fault+0x1b0/0x2f0 arch/x86/kvm/mmu.c:4932
handle_ept_violation+0x194/0x540 arch/x86/kvm/vmx.c:6509
vmx_handle_exit+0x24b/0x1a60 arch/x86/kvm/vmx.c:8830
vcpu_enter_guest arch/x86/kvm/x86.c:7040 [inline]
vcpu_run arch/x86/kvm/x86.c:7102 [inline]
kvm_arch_vcpu_ioctl_run+0x1d36/0x5a30 arch/x86/kvm/x86.c:7263
kvm_vcpu_ioctl+0x64c/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2592
vfs_ioctl fs/ioctl.c:45 [inline]
do_vfs_ioctl+0x1b1/0x1530 fs/ioctl.c:685
SYSC_ioctl fs/ioctl.c:700 [inline]
SyS_ioctl+0x8f/0xc0 fs/ioctl.c:691
entry_SYSCALL_64_fastpath+0x1f/0xbe
RIP: 0033:0x446749
RSP: 002b:00007fac0375fc08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000019 RCX: 0000000000446749
RDX: 0000000000000000 RSI: 000000000000ae80 RDI: 0000000000000019
RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000282 R12: 00000000ffffffff
R13: 0000000000001e10 R14: 00000000006e3ed0 R15: 000000008080aea1
TCP: request_sock_TCP: Possible SYN flooding on port 20024. Sending
cookies. Check SNMP counters.
SELinux: failure in selinux_parse_skb(), unable to parse packet
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=28
sclass=netlink_tcpdiag_socket pig=6313 comm=syz-executor2
SELinux: failure in selinux_parse_skb(), unable to parse packet
*** Guest State ***
CR0: actual=0x0000000000000022, shadow=0x0000000000000002,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000022050, shadow=0x0000000000020010,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000f80 RIP = 0x0000000000000000
RFLAGS=0x00000002 DR7 = 0x0000000000000400
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0x0013, attr=0x10000, limit=0x00001000, base=0x000000000000f000
DS: sel=0x0000, attr=0x10000, limit=0x0000d000, base=0x0000000000000004
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=28
sclass=netlink_tcpdiag_socket pig=6330 comm=syz-executor2
SS: sel=0x0000, attr=0x10000, limit=0x00002000, base=0x0000000000100001
ES: sel=0x000b, attr=0x10000, limit=0x00107000, base=0x000000000000f000
FS: sel=0x0008, attr=0x10000, limit=0x00010000, base=0x0000000000010000
GS: sel=0x0000, attr=0x10000, limit=0x00000001, base=0x000000000000f000
GDTR: limit=0x0000d000, base=0x000000000000d000
LDTR: sel=0x000b, attr=0x10000, limit=0x00014001, base=0x000000000000f000
IDTR: limit=0x0000f007, base=0x000000000000f000
TR: sel=0x000d, attr=0x10000, limit=0x00000001, base=0x0000000000006000
EFER = 0x0000000000008000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff880050cf74c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fe9d4969700 GSBase=ffff88006de00000 TRBase=ffff88006df23100
GDTBase=ffffffffff574000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000002d6a7000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000007f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000001 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd4d6bdaed0
TPR Threshold = 0x00
EPT pointer = 0x000000005151201e
Virtual processor ID = 0x002d
*** Guest State ***
CR0: actual=0x0000000000000020, shadow=0x0000000000000000,
gh_mask=fffffffffffffff7
CR4: actual=0x0000000000002050, shadow=0x0000000000000000,
gh_mask=ffffffffffffe871
CR3 = 0x00000000fffbc000
RSP = 0x0000000000000f80 RIP = 0x0000000000000000
RFLAGS=0x00000002 DR7 = 0x0000000000000400
Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810
CS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
DS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
SS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
ES: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
FS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
GS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
GDTR: limit=0x00000000, base=0x0000000000000000
LDTR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
nla_parse: 1 callbacks suppressed
netlink: 8 bytes leftover after parsing attributes in process
`syz-executor1'.
IDTR: limit=0x00000000, base=0x0000000000000000
TR: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000
EFER = 0x0000000000000000 PAT = 0x0007040600070406
DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000
BndCfgS = 0x0000000000000000
Interruptibility = 00000000 ActivityState = 00000000
*** Host State ***
RIP = 0xffffffff811b8fd7 RSP = 0xffff880050cf74c8
CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040
FSBase=00007fe9d4969700 GSBase=ffff88006de00000 TRBase=ffff88006de23100
GDTBase=ffffffffff575000 IDTBase=ffffffffff57b000
CR0=0000000080050033 CR3=000000002d6a7000 CR4=00000000000026e0
Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70
EFER = 0x0000000000000d01 PAT = 0x0007040600070406
*** Control State ***
PinBased=0000007f CPUBased=b6a1edfa SecondaryExec=000000e3
EntryControls=0001d1ff ExitControls=00afefff
ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000
VMEntry: intr_info=80000001 errcode=00000000 ilen=00000000
VMExit: intr_info=00000000 errcode=00000000 ilen=00000000
reason=80000021 qualification=0000000000000000
IDTVectoring: info=00000000 errcode=00000000
TSC Offset = 0xffffffd4d6bdaed0
TPR Threshold = 0x00
EPT pointer = 0x000000005151201e
Virtual processor ID = 0x002d
netlink: 8 bytes leftover after parsing attributes in process
`syz-executor1'.
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=513
sclass=netlink_tcpdiag_socket pig=6382 comm=syz-executor1
SELinux: unrecognized netlink message: protocol=4 nlmsg_type=513
sclass=netlink_tcpdiag_socket pig=6388 comm=syz-executor1
sctp: [Deprecated]: syz-executor2 (pid 6476) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
netlink: 1 bytes leftover after parsing attributes in process
`syz-executor5'.
netlink: 1 bytes leftover after parsing attributes in process
`syz-executor5'.
sctp: [Deprecated]: syz-executor2 (pid 6476) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor3 (pid 6567) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
RDS: rds_bind could not find a transport for 63.255.128.0, load rds_tcp or
rds_rdma?
RDS: rds_bind could not find a transport for 63.255.128.0, load rds_tcp or
rds_rdma?
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor1'.
netlink: 3 bytes leftover after parsing attributes in process
`syz-executor1'.
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
dccp_invalid_packet: pskb_may_pull failed
dccp_invalid_packet: pskb_may_pull failed
RDS: rds_bind could not find a transport for 224.0.0.1, load rds_tcp or
rds_rdma?
device lo entered promiscuous mode
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor7'.
netlink: 5 bytes leftover after parsing attributes in process
`syz-executor7'.
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=19
sclass=netlink_audit_socket pig=6925 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=9 nlmsg_type=19
sclass=netlink_audit_socket pig=6930 comm=syz-executor6
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535
sclass=netlink_xfrm_socket pig=7120 comm=syz-executor0
netlink: 24 bytes leftover after parsing attributes in process
`syz-executor0'.
netlink: 60 bytes leftover after parsing attributes in process
`syz-executor0'.
SELinux: unrecognized netlink message: protocol=6 nlmsg_type=65535
sclass=netlink_xfrm_socket pig=7138 comm=syz-executor0
sctp: [Deprecated]: syz-executor7 (pid 7162) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
sctp: [Deprecated]: syz-executor7 (pid 7162) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
sctp: [Deprecated]: syz-executor7 (pid 7162) Use of struct sctp_assoc_value
in delayed_ack socket option.
Use struct sctp_sack_info instead
sctp: [Deprecated]: syz-executor7 (pid 7197) Use of int in maxseg socket
option.
Use struct sctp_assoc_value instead
FAULT_FLAG_ALLOW_RETRY missing 31
CPU: 1 PID: 7201 Comm: syz-executor6 Tainted: G W
4.13.0-rc6-next-20170825+ #9
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:16 [inline]
dump_stack+0x194/0x257 lib/dump_stack.c:52
handle_userfault+0x11ec/0x2390 fs/userfaultfd.c:427
do_anonymous_page mm/memory.c:3135 [inline]
handle_pte_fault mm/memory.c:3908 [inline]
__handle_mm_fault+0x3823/0x39c0 mm/memory.c:4034
---
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Dmitry Vyukov
Nov 7, 2017, 11:21:37 AM11/7/17
to syzbot, 'Dmitry Vyukov' via syzkaller-upstream-moderation
does not happen anymore, probably was fixed meanwhile
#syz invalid
On Thu, Aug 31, 2017 at 4:59 PM, syzbot
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#syz invalid
On Thu, Aug 31, 2017 at 4:59 PM, syzbot
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