====================================================== WARNING: possible circular locking dependency detected 4.13.0-rc6-next-20170825+ #9 Not tainted ------------------------------------------------------ kworker/0:0/3 is trying to acquire lock: ((shepherd).work){+.+.}, at: [] process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094 but now in release context of a crosslock acquired at the following: ((complete)&rcu.completion){+.+.}, at: [] __synchronize_srcu+0x1b5/0x250 kernel/rcu/srcutree.c:898 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 ((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 quarantine_remove_cache+0xd7/0xf0 mm/kasan/quarantine.c:327 kasan_cache_shrink+0x9/0x10 mm/kasan/kasan.c:380 kmem_cache_shrink+0x15/0x30 mm/slab_common.c:857 acpi_os_purge_cache+0x15/0x20 drivers/acpi/osl.c:1560 acpi_purge_cached_objects+0x38/0xc9 drivers/acpi/acpica/utxface.c:271 acpi_initialize_objects+0xc5/0x112 drivers/acpi/acpica/utxfinit.c:302 acpi_bus_init drivers/acpi/bus.c:1131 [inline] acpi_init+0x23c/0x8e6 drivers/acpi/bus.c:1220 do_one_initcall+0x9e/0x330 init/main.c:826 do_initcall_level init/main.c:892 [inline] do_initcalls init/main.c:900 [inline] do_basic_setup init/main.c:918 [inline] kernel_init_freeable+0x469/0x521 init/main.c:1066 kernel_init+0x13/0x172 init/main.c:993 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 -> #1 (cpu_hotplug_lock.rw_sem){++++}: 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 percpu_down_read_preempt_disable include/linux/percpu-rwsem.h:35 [inline] percpu_down_read include/linux/percpu-rwsem.h:58 [inline] cpus_read_lock+0x42/0x90 kernel/cpu.c:218 get_online_cpus include/linux/cpu.h:126 [inline] vmstat_shepherd+0x3d/0x1b0 mm/vmstat.c:1707 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 -> #0 ((shepherd).work){+.+.}: 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 other info that might help us debug this: Chain exists of: (shepherd).work --> cpu_hotplug_lock.rw_sem --> (complete)&rcu.completion Possible unsafe locking scenario by crosslock: CPU0 CPU1 ---- ---- lock(cpu_hotplug_lock.rw_sem); lock((complete)&rcu.completion); lock((shepherd).work); unlock((complete)&rcu.completion); *** DEADLOCK *** 3 locks held by kworker/0:0/3: #0: ("events_power_efficient"){.+.+}, at: [] __write_once_size include/linux/compiler.h:305 [inline] #0: ("events_power_efficient"){.+.+}, at: [] atomic64_set arch/x86/include/asm/atomic64_64.h:33 [inline] #0: ("events_power_efficient"){.+.+}, at: [] atomic_long_set include/asm-generic/atomic-long.h:56 [inline] #0: ("events_power_efficient"){.+.+}, at: [] set_work_data kernel/workqueue.c:617 [inline] #0: ("events_power_efficient"){.+.+}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: ("events_power_efficient"){.+.+}, at: [] process_one_work+0xad4/0x1be0 kernel/workqueue.c:2090 #1: ((&(&sdp->work)->work)){+.+.}, at: [] process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094 #2: (&x->wait#5){....}, at: [] complete+0x18/0x80 kernel/sched/completion.c:34 stack backtrace: CPU: 0 PID: 3 Comm: kworker/0:0 Not tainted 4.13.0-rc6-next-20170825+ #9 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Workqueue: events_power_efficient srcu_invoke_callbacks 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 commit_xhlock kernel/locking/lockdep.c:5002 [inline] commit_xhlocks kernel/locking/lockdep.c:5046 [inline] lock_commit_crosslock+0xe73/0x1d10 kernel/locking/lockdep.c:5085 complete_release_commit include/linux/completion.h:49 [inline] complete+0x24/0x80 kernel/sched/completion.c:39 wakeme_after_rcu+0xd/0x10 kernel/rcu/update.c:376 srcu_invoke_callbacks+0x280/0x4d0 kernel/rcu/srcutree.c:1161 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 device syz5 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor4 (pid 6246) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex PF_BRIDGE: RTM_NEWNEIGH with unknown ifindex sctp: [Deprecated]: syz-executor4 (pid 6293) Use of int in max_burst socket option deprecated. 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: 8 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6391 comm=syz-executor5 netlink: 13 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor4'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6448 comm=syz-executor5 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6500 comm=syz-executor5 sctp: [Deprecated]: syz-executor2 (pid 6556) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6581) Use of int in maxseg socket option. Use struct sctp_assoc_value instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6500 comm=syz-executor5 *** Guest State *** CR0: actual=0x0000000000010021, shadow=0x0000000000010001, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002250, shadow=0x0000000000000200, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 SS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 ES: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 FS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x000001ff, base=0x0000000000003800 TR: sel=0x000d, attr=0x10000, limit=0x00000000, base=0x0000000000001000 EFER = 0x0000000000004001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 BndCfgS = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811b8fd7 RSP = 0xffff88002ef674c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff016333700 GSBase=ffff88003ec00000 TRBase=ffff88003ec23100 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=000000006cee4000 CR4=00000000000026f0 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=80000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffdd8678f896 TPR Threshold = 0x00 EPT pointer = 0x000000003db0301e Virtual processor ID = 0x0001 sctp: [Deprecated]: syz-executor2 (pid 6609) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6631) Use of int in maxseg socket option. Use struct sctp_assoc_value instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6602 comm=syz-executor5 sctp: [Deprecated]: syz-executor2 (pid 6649) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device syz3 left promiscuous mode *** Guest State *** CR0: actual=0x0000000000010021, shadow=0x0000000000010001, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002250, shadow=0x0000000000000200, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0030:0000000000002810 CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 DS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 SS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 sctp: [Deprecated]: syz-executor2 (pid 6672) Use of int in maxseg socket option. Use struct sctp_assoc_value instead ES: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 FS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GS: sel=0x0038, attr=0x04093, limit=0x000fffff, base=0x0000000000000000 GDTR: limit=0x000007ff, base=0x0000000000001000 LDTR: sel=0x0008, attr=0x04082, limit=0x000007ff, base=0x0000000000001800 IDTR: limit=0x000001ff, base=0x0000000000003800 TR: sel=0x000d, attr=0x10000, limit=0x00000000, base=0x0000000000001000 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6602 comm=syz-executor5 EFER = 0x0000000000004001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 BndCfgS = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811b8fd7 RSP = 0xffff880052b574c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff016355700 GSBase=ffff88003ed00000 TRBase=ffff88003ed23100 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=000000002e129000 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=80000000 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffdd6bef7720 TPR Threshold = 0x00 EPT pointer = 0x00000000691cf01e Virtual processor ID = 0x0001 sctp: [Deprecated]: syz-executor2 (pid 6705) Use of int in maxseg socket option. Use struct sctp_assoc_value instead SELinux: unrecognized netlink message: protocol=0 nlmsg_type=44806 sclass=netlink_route_socket pig=6694 comm=syz-executor5 sctp: [Deprecated]: syz-executor2 (pid 6735) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6754) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6779) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor3'. sctp: [Deprecated]: syz-executor2 (pid 6818) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6818) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6847) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6847) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6854) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6854) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor2 (pid 6881) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 9 bytes leftover after parsing attributes in process `syz-executor3'. sg_write: data in/out 524252/2 bytes for SCSI command 0x25-- guessing data in; program syz-executor3 not setting count and/or reply_len properly FAULT_INJECTION: forcing a failure. name fail_page_alloc, interval 1, probability 0, space 0, times 1 CPU: 2 PID: 7295 Comm: syz-executor2 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_fail_alloc_page mm/page_alloc.c:2897 [inline] prepare_alloc_pages mm/page_alloc.c:4149 [inline] __alloc_pages_nodemask+0x338/0xd80 mm/page_alloc.c:4187 alloc_pages_current+0xb6/0x1e0 mm/mempolicy.c:2035 alloc_pages include/linux/gfp.h:505 [inline] skb_page_frag_refill+0x358/0x5f0 net/core/sock.c:2206 tun_build_skb.isra.42+0x13f/0x1450 drivers/net/tun.c:1283 tun_get_user+0x1daf/0x2150 drivers/net/tun.c:1441 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1565 call_write_iter include/linux/fs.h:1744 [inline] new_sync_write fs/read_write.c:457 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:470 vfs_write+0x18f/0x510 fs/read_write.c:518 SYSC_write fs/read_write.c:565 [inline] SyS_write+0xef/0x220 fs/read_write.c:557 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40bac1 RSP: 002b:00007f9cd1af7c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000000002a RCX: 000000000040bac1 RDX: 000000000000002a RSI: 0000000020f01000 RDI: 0000000000000015 RBP: 00007f9cd1af7a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007f9cd1af79c8 R15: 00007f9cd1af7b38 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 1 CPU: 2 PID: 7391 Comm: syz-executor1 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3649 __alloc_skb+0xf1/0x740 net/core/skbuff.c:194 alloc_skb include/linux/skbuff.h:975 [inline] alloc_skb_with_frags+0x10d/0x710 net/core/skbuff.c:5146 sock_alloc_send_pskb+0x7b4/0x9d0 net/core/sock.c:2083 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2100 __ip6_append_data.isra.42+0x1bd9/0x32b0 net/ipv6/ip6_output.c:1390 ip6_make_skb+0x32a/0x530 net/ipv6/ip6_output.c:1736 udpv6_sendmsg+0x2769/0x3380 net/ipv6/udp.c:1330 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 SYSC_sendto+0x358/0x5a0 net/socket.c:1750 SyS_sendto+0x40/0x50 net/socket.c:1718 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x446749 RSP: 002b:00007fbad10cac08 EFLAGS: 00000286 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000446749 RDX: 00000000000007be RSI: 0000000020241000 RDI: 0000000000000005 RBP: 00007fbad10caa00 R08: 0000000020a44fe4 R09: 000000000000001c R10: 0000000000000000 R11: 0000000000000286 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007fbad10ca9c8 R15: 00007fbad10cab38 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl *** Guest State *** CR0: actual=0x0000000000000020, shadow=0x0000000000000000, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000406050, shadow=0x0000000000404040, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000000 RIP = 0x000000000000fff0 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 CS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 DS: sel=0x0000, attr=0x10000, limit=0x00000000, base=0x0000000000000000 QAT: Invalid ioctl 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 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 = 0xffff88002c9d74c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f3e87607700 GSBase=ffff88003ed00000 TRBase=ffff88003ed23100 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=000000002ecd2000 CR4=00000000000026e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70 EFER = 0x0000000000000d01 PAT = 0x0007040600070406 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000e2 EntryControls=0001d1ff ExitControls=00afefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000312 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffdb40acd356 EPT pointer = 0x000000003d20201e Virtual processor ID = 0x0078 QAT: Invalid ioctl *** Guest State *** CR0: actual=0x0000000000000020, shadow=0x0000000000000000, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000406050, shadow=0x0000000000404040, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000000 RIP = 0x000000000000fff0 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000000 CS:RIP=0000:0000000000000000 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 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 = 0xffff88002c9d74c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f3e87607700 GSBase=ffff88003ed00000 TRBase=ffff88003ed23100 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=000000002ecd2000 CR4=00000000000026e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a70 EFER = 0x0000000000000d01 PAT = 0x0007040600070406 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=000000e2 EntryControls=0001d1ff ExitControls=00afefff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000312 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffdb40acd356 EPT pointer = 0x000000003d20201e Virtual processor ID = 0x0078 QAT: Invalid ioctl rfkill: input handler disabled rfkill: input handler enabled 8021q: VLANs not supported on lo QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl kauditd_printk_skb: 6 callbacks suppressed audit: type=1326 audit(1503675697.385:1539): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=7789 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0xffff0000 audit: type=1326 audit(1503675697.433:1540): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=7789 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0xffff0000 Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app Can not set IPV6_FL_F_REFLECT if flowlabel_consistency sysctl is enable do_dccp_setsockopt: sockopt(CHANGE_L/R) is deprecated: fix your app QAT: Invalid ioctl QAT: Invalid ioctl RDS: rds_bind could not find a transport for 172.20.3.187, load rds_tcp or rds_rdma? TCP: request_sock_TCP: Possible SYN flooding on port 20024. Sending cookies. Check SNMP counters. nla_parse: 1 callbacks suppressed netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor3'. kvm [8394]: vcpu1, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc1 data 0x8000 netlink: 12 bytes leftover after parsing attributes in process `syz-executor4'. kvm [8394]: vcpu1, guest rIP: 0xfff0 disabled perfctr wrmsr: 0xc1 data 0x8000 netlink: 12 bytes leftover after parsing attributes in process `syz-executor4'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8594 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3723 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3740 memdup_user+0x2c/0x90 mm/util.c:164 map_update_elem kernel/bpf/syscall.c:540 [inline] SYSC_bpf kernel/bpf/syscall.c:1484 [inline] SyS_bpf+0x1e9e/0x5170 kernel/bpf/syscall.c:1459 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x446749 RSP: 002b:00007fa84b979c08 EFLAGS: 00000296 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 0000000000446749 RDX: 0000000000000020 RSI: 000000002000e000 RDI: 0000000000000002 RBP: 00007fa84b979a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000296 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007fa84b9799c8 R15: 00007fa84b979b38 netlink: 8 bytes leftover after parsing attributes in process `syz-executor3'. FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 8658 Comm: syz-executor6 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3383 [inline] kmem_cache_alloc+0x47/0x760 mm/slab.c:3559 __build_skb+0x9d/0x450 net/core/skbuff.c:284 build_skb+0x6f/0x260 net/core/skbuff.c:316 tun_build_skb.isra.42+0x692/0x1450 drivers/net/tun.c:1336 tun_get_user+0x1daf/0x2150 drivers/net/tun.c:1441 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1565 call_write_iter include/linux/fs.h:1744 [inline] new_sync_write fs/read_write.c:457 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:470 vfs_write+0x18f/0x510 fs/read_write.c:518 SYSC_write fs/read_write.c:565 [inline] SyS_write+0xef/0x220 fs/read_write.c:557 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40bac1 RSP: 002b:00007ff016377c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000052 RCX: 000000000040bac1 RDX: 0000000000000052 RSI: 000000002001f000 RDI: 0000000000000015 RBP: 00007ff016377a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007ff0163779c8 R15: 00007ff016377b38 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8672 Comm: syz-executor6 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3649 __alloc_skb+0xf1/0x740 net/core/skbuff.c:194 alloc_skb include/linux/skbuff.h:975 [inline] sock_wmalloc+0x140/0x1d0 net/core/sock.c:1935 __ip_append_data.isra.47+0x1a64/0x24a0 net/ipv4/ip_output.c:976 ip_append_data.part.49+0xde/0x150 net/ipv4/ip_output.c:1170 ip_append_data net/ipv4/ip_output.c:1564 [inline] ip_send_unicast_reply+0xd0f/0x1480 net/ipv4/ip_output.c:1564 tcp_v4_send_ack+0xa7b/0xff0 net/ipv4/tcp_ipv4.c:799 tcp_v4_reqsk_send_ack+0x2c3/0x3e0 net/ipv4/tcp_ipv4.c:841 tcp_check_req+0x1150/0x1630 net/ipv4/tcp_minisocks.c:701 tcp_v4_rcv+0x1f57/0x2f20 net/ipv4/tcp_ipv4.c:1674 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:248 [inline] ip_local_deliver+0x1ce/0x6d0 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:478 [inline] ip_rcv_finish+0x8db/0x19c0 net/ipv4/ip_input.c:397 NF_HOOK include/linux/netfilter.h:248 [inline] ip_rcv+0xc3f/0x17d0 net/ipv4/ip_input.c:488 __netif_receive_skb_core+0x19af/0x33d0 net/core/dev.c:4418 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4456 netif_receive_skb_internal+0x10b/0x5e0 net/core/dev.c:4527 netif_receive_skb+0xae/0x390 net/core/dev.c:4551 tun_rx_batched.isra.43+0x5ed/0x860 drivers/net/tun.c:1218 tun_get_user+0x11dd/0x2150 drivers/net/tun.c:1539 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1565 call_write_iter include/linux/fs.h:1744 [inline] new_sync_write fs/read_write.c:457 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:470 vfs_write+0x18f/0x510 fs/read_write.c:518 SYSC_write fs/read_write.c:565 [inline] SyS_write+0xef/0x220 fs/read_write.c:557 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40bac1 RSP: 002b:00007ff016377c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000052 RCX: 000000000040bac1 RDX: 0000000000000052 RSI: 000000002001f000 RDI: 0000000000000015 RBP: 00007ff016377a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007ff0163779c8 R15: 00007ff016377b38 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 8680 Comm: syz-executor6 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3703 __kmalloc_reserve.isra.41+0x41/0xd0 net/core/skbuff.c:138 __alloc_skb+0x13b/0x740 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:975 [inline] sock_wmalloc+0x140/0x1d0 net/core/sock.c:1935 __ip_append_data.isra.47+0x1a64/0x24a0 net/ipv4/ip_output.c:976 ip_append_data.part.49+0xde/0x150 net/ipv4/ip_output.c:1170 ip_append_data net/ipv4/ip_output.c:1564 [inline] ip_send_unicast_reply+0xd0f/0x1480 net/ipv4/ip_output.c:1564 tcp_v4_send_ack+0xa7b/0xff0 net/ipv4/tcp_ipv4.c:799 tcp_v4_reqsk_send_ack+0x2c3/0x3e0 net/ipv4/tcp_ipv4.c:841 tcp_check_req+0x1150/0x1630 net/ipv4/tcp_minisocks.c:701 tcp_v4_rcv+0x1f57/0x2f20 net/ipv4/tcp_ipv4.c:1674 ip_local_deliver_finish+0x2e2/0xba0 net/ipv4/ip_input.c:216 NF_HOOK include/linux/netfilter.h:248 [inline] ip_local_deliver+0x1ce/0x6d0 net/ipv4/ip_input.c:257 dst_input include/net/dst.h:478 [inline] ip_rcv_finish+0x8db/0x19c0 net/ipv4/ip_input.c:397 NF_HOOK include/linux/netfilter.h:248 [inline] ip_rcv+0xc3f/0x17d0 net/ipv4/ip_input.c:488 __netif_receive_skb_core+0x19af/0x33d0 net/core/dev.c:4418 __netif_receive_skb+0x2c/0x1b0 net/core/dev.c:4456 netif_receive_skb_internal+0x10b/0x5e0 net/core/dev.c:4527 netif_receive_skb+0xae/0x390 net/core/dev.c:4551 tun_rx_batched.isra.43+0x5ed/0x860 drivers/net/tun.c:1218 tun_get_user+0x11dd/0x2150 drivers/net/tun.c:1539 tun_chr_write_iter+0xde/0x190 drivers/net/tun.c:1565 call_write_iter include/linux/fs.h:1744 [inline] new_sync_write fs/read_write.c:457 [inline] __vfs_write+0x68a/0x970 fs/read_write.c:470 vfs_write+0x18f/0x510 fs/read_write.c:518 SYSC_write fs/read_write.c:565 [inline] SyS_write+0xef/0x220 fs/read_write.c:557 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x40bac1 RSP: 002b:00007ff016377c00 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 0000000000000052 RCX: 000000000040bac1 RDX: 0000000000000052 RSI: 000000002001f000 RDI: 0000000000000015 RBP: 00007ff016377a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007ff0163779c8 R15: 00007ff016377b38 netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. QAT: Invalid ioctl QAT: Invalid ioctl netlink: 11 bytes leftover after parsing attributes in process `syz-executor4'. kvm: MWAIT instruction emulated as NOP! QAT: Invalid ioctl QAT: Invalid ioctl netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. selinux_nlmsg_perm: 21 callbacks suppressed SELinux: unrecognized netlink message: protocol=6 nlmsg_type=7 sclass=netlink_xfrm_socket pig=9232 comm=syz-executor3 QAT: Invalid ioctl QAT: Invalid ioctl FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 3 PID: 9318 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node+0x56/0x760 mm/slab.c:3649 __alloc_skb+0xf1/0x740 net/core/skbuff.c:194 alloc_skb include/linux/skbuff.h:975 [inline] alloc_skb_with_frags+0x10d/0x710 net/core/skbuff.c:5146 sock_alloc_send_pskb+0x7b4/0x9d0 net/core/sock.c:2083 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2100 __ip6_append_data.isra.42+0x1bd9/0x32b0 net/ipv6/ip6_output.c:1390 QAT: Invalid ioctl QAT: Invalid ioctl ip6_make_skb+0x32a/0x530 net/ipv6/ip6_output.c:1736 udpv6_sendmsg+0x2769/0x3380 net/ipv6/udp.c:1330 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 ___sys_sendmsg+0x748/0x8c0 net/socket.c:2049 __sys_sendmsg+0xe5/0x210 net/socket.c:2083 SYSC_sendmsg net/socket.c:2094 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2090 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x446749 RSP: 002b:00007f3e87606c08 EFLAGS: 00000282 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000446749 RDX: 0000000000000000 RSI: 0000000020f68000 RDI: 0000000000000005 RBP: 00007f3e87606a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000282 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007f3e876069c8 R15: 00007f3e87606b38 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 9386 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node_track_caller+0x33/0x70 mm/slab.c:3703 __kmalloc_reserve.isra.41+0x41/0xd0 net/core/skbuff.c:138 __alloc_skb+0x13b/0x740 net/core/skbuff.c:206 alloc_skb include/linux/skbuff.h:975 [inline] alloc_skb_with_frags+0x10d/0x710 net/core/skbuff.c:5146 sock_alloc_send_pskb+0x7b4/0x9d0 net/core/sock.c:2083 sock_alloc_send_skb+0x32/0x40 net/core/sock.c:2100 __ip6_append_data.isra.42+0x1bd9/0x32b0 net/ipv6/ip6_output.c:1390 ip6_make_skb+0x32a/0x530 net/ipv6/ip6_output.c:1736 udpv6_sendmsg+0x2769/0x3380 net/ipv6/udp.c:1330 inet_sendmsg+0x11f/0x5e0 net/ipv4/af_inet.c:762 sock_sendmsg_nosec net/socket.c:633 [inline] sock_sendmsg+0xca/0x110 net/socket.c:643 ___sys_sendmsg+0x748/0x8c0 net/socket.c:2049 __sys_sendmsg+0xe5/0x210 net/socket.c:2083 SYSC_sendmsg net/socket.c:2094 [inline] SyS_sendmsg+0x2d/0x50 net/socket.c:2090 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x446749 RSP: 002b:00007f3e87606c08 EFLAGS: 00000282 ORIG_RAX: 000000000000002e RAX: ffffffffffffffda RBX: 0000000000000005 RCX: 0000000000446749 RDX: 0000000000000000 RSI: 0000000020f68000 RDI: 0000000000000005 RBP: 00007f3e87606a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000282 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007f3e876069c8 R15: 00007f3e87606b38 QAT: Invalid ioctl QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=9626 comm=syz-executor2 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl TCP: request_sock_TCP: Possible SYN flooding on port 20024. Sending cookies. Check SNMP counters. QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1326 audit(1503675700.662:1541): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10057 comm="syz-executor4" exe="/syz-executor4" sig=9 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 audit: type=1326 audit(1503675700.729:1542): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=10057 comm="syz-executor4" exe="/syz-executor4" sig=9 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008f data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008e data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008d data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008c data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008b data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008a data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000089 data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000088 data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000087 data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000086 data 0x0 kvm [10176]: vcpu2, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000020 data 0x0 rpcbind: RPC call returned error 22 QAT: Invalid ioctl rpcbind: RPC call returned error 22 QAT: Invalid ioctl QAT: Invalid ioctl TCP: request_sock_TCP: Possible SYN flooding on port 20024. Sending cookies. Check SNMP counters. rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 QAT: Invalid ioctl rpcbind: RPC call returned error 22 QAT: Invalid ioctl rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 rpcbind: RPC call returned error 22 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 3 PID: 10592 Comm: syz-executor6 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc_node mm/slab.c:3304 [inline] kmem_cache_alloc_node_trace+0x5a/0x760 mm/slab.c:3668 __do_kmalloc_node mm/slab.c:3688 [inline] __kmalloc_node+0x33/0x70 mm/slab.c:3696 kmalloc_node include/linux/slab.h:535 [inline] kvmalloc_node+0x99/0xd0 mm/util.c:397 kvmalloc include/linux/mm.h:529 [inline] newseg+0x1ee/0xcd0 ipc/shm.c:547 ipcget_public ipc/util.c:376 [inline] ipcget+0xa78/0xfd0 ipc/util.c:637 SYSC_shmget ipc/shm.c:673 [inline] SyS_shmget+0x158/0x230 ipc/shm.c:657 entry_SYSCALL_64_fastpath+0x1f/0xbe RIP: 0033:0x446749 RSP: 002b:00007ff016377c08 EFLAGS: 00000282 ORIG_RAX: 000000000000001d RAX: ffffffffffffffda RBX: 00000000798dd82b RCX: 0000000000446749 RDX: 0000000053fffffd RSI: 0000000000004000 RDI: 00000000798dd82b RBP: 00007ff016377a00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020002000 R11: 0000000000000282 R12: 00000000004a8096 R13: 0000000000000000 R14: 00007ff0163779c8 R15: 00007ff016377b38 FAULT_INJECTION: forcing a failure. name failslab, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 10600 Comm: syz-executor2 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 fail_dump lib/fault-inject.c:51 [inline] should_fail+0x8c0/0xa40 lib/fault-inject.c:149 should_failslab+0xec/0x120 mm/failslab.c:31 slab_pre_alloc_hook mm/slab.h:422 [inline] slab_alloc mm/slab.c:3383 [inline] __do_kmalloc mm/slab.c:3723 [inline] __kmalloc_track_caller+0x5f/0x760 mm/slab.c:3740 memdup_user+0x2c/0x90 mm/util.c:164 msr_io+0xec/0x3b0 arch/x86/kvm/x86.c:2630 kvm_arch_vcpu_ioctl+0x328/0x4870 arch/x86/kvm/x86.c:3537 kvm_vcpu_ioctl+0x240/0x1010 arch/x86/kvm/../../../virt/kvm/kvm_main.c:2744 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:00007f9cd1af7c08 EFLAGS: 00000282 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000016 RCX: 0000000000446749 RDX: 0000000020adf000 RSI: 000000004008ae89 RDI: 0000000000000016 RBP: 0000000000708000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000017 R13: 0000000000002180 R14: 00000000006e4240 R15: ffffffffffffffff