====================================================== WARNING: possible circular locking dependency detected 4.13.0-rc6-next-20170825+ #9 Not tainted ------------------------------------------------------ kworker/u8:0/5 is trying to acquire lock: (cpu_hotplug_lock.rw_sem){++++}, at: [] get_online_cpus include/linux/cpu.h:126 [inline] (cpu_hotplug_lock.rw_sem){++++}, at: [] flush_all_backlogs net/core/dev.c:4592 [inline] (cpu_hotplug_lock.rw_sem){++++}, at: [] rollback_registered_many+0x587/0xe80 net/core/dev.c:7127 but task is already holding lock: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (rtnl_mutex){+.+.}: 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 rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 reg_todo+0xc6/0xbe0 net/wireless/reg.c:2337 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 -> #2 (reg_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 -> #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 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 -> #0 (cpu_hotplug_lock.rw_sem){++++}: 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 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] flush_all_backlogs net/core/dev.c:4592 [inline] rollback_registered_many+0x587/0xe80 net/core/dev.c:7127 unregister_netdevice_many.part.107+0x87/0x420 net/core/dev.c:8190 unregister_netdevice_many+0xbb/0x100 net/core/dev.c:8189 sit_exit_net+0x470/0x690 net/ipv6/sit.c:1857 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:142 cleanup_net+0x5c7/0xb60 net/core/net_namespace.c:483 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: cpu_hotplug_lock.rw_sem --> reg_work --> rtnl_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(reg_work); lock(rtnl_mutex); lock(cpu_hotplug_lock.rw_sem); *** DEADLOCK *** 4 locks held by kworker/u8:0/5: #0: ("%s""netns"){.+.+}, at: [] __write_once_size include/linux/compiler.h:305 [inline] #0: ("%s""netns"){.+.+}, at: [] atomic64_set arch/x86/include/asm/atomic64_64.h:33 [inline] #0: ("%s""netns"){.+.+}, at: [] atomic_long_set include/asm-generic/atomic-long.h:56 [inline] #0: ("%s""netns"){.+.+}, at: [] set_work_data kernel/workqueue.c:617 [inline] #0: ("%s""netns"){.+.+}, at: [] set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: ("%s""netns"){.+.+}, at: [] process_one_work+0xad4/0x1be0 kernel/workqueue.c:2090 #1: (net_cleanup_work){+.+.}, at: [] process_one_work+0xb2c/0x1be0 kernel/workqueue.c:2094 #2: (net_mutex){+.+.}, at: [] cleanup_net+0x247/0xb60 net/core/net_namespace.c:449 #3: (rtnl_mutex){+.+.}, at: [] rtnl_lock+0x17/0x20 net/core/rtnetlink.c:72 stack backtrace: CPU: 2 PID: 5 Comm: kworker/u8:0 Not tainted 4.13.0-rc6-next-20170825+ #9 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011 Workqueue: netns cleanup_net 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 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] flush_all_backlogs net/core/dev.c:4592 [inline] rollback_registered_many+0x587/0xe80 net/core/dev.c:7127 unregister_netdevice_many.part.107+0x87/0x420 net/core/dev.c:8190 unregister_netdevice_many+0xbb/0x100 net/core/dev.c:8189 sit_exit_net+0x470/0x690 net/ipv6/sit.c:1857 ops_exit_list.isra.6+0xae/0x150 net/core/net_namespace.c:142 cleanup_net+0x5c7/0xb60 net/core/net_namespace.c:483 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 TCP: request_sock_TCP: Possible SYN flooding on port 20008. Sending cookies. Check SNMP counters. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1326 audit(1503791451.280:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3662 comm="syz-executor0" exe="/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 audit: type=1326 audit(1503791451.319:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3662 comm="syz-executor0" exe="/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 hid-generic 0003:0627:0001.0001: pid 3690 passed too large report 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 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 mmap: syz-executor4 (3760) uses deprecated remap_file_pages() syscall. See Documentation/vm/remap_file_pages.txt. QAT: Invalid ioctl QAT: Invalid ioctl TCP: request_sock_TCP: Possible SYN flooding on port 20004. Sending cookies. Check SNMP counters. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. TCP: request_sock_TCP: Possible SYN flooding on port 20028. Sending cookies. Check SNMP counters. audit: type=1326 audit(1503791452.221:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3966 comm="syz-executor3" exe="/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 audit: type=1326 audit(1503791452.330:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=3966 comm="syz-executor3" exe="/syz-executor3" sig=9 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 dccp_invalid_packet: pskb_may_pull failed 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 dccp_invalid_packet: pskb_may_pull failed 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 xprt_adjust_timeout: rq_timeout = 0! netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor1'. xprt_adjust_timeout: rq_timeout = 0! device lo entered promiscuous mode TCP: request_sock_TCP: Possible SYN flooding on port 20015. Sending cookies. Check SNMP counters. device syz3 entered promiscuous mode *** Guest State *** CR0: actual=0x0000000000000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x003cf702 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=0x0000, attr=0x0008b, limit=0x0000ffff, base=0x0000000000000000 EFER = 0x0000000000000001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 BndCfgS = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811b8fd7 RSP = 0xffff88004d8e74c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fd5bbf53700 GSBase=ffff88006df00000 TRBase=ffff88003ec23100 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=000000003b87a000 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=800000fc errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000004 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffffe015d07460 TPR Threshold = 0x00 EPT pointer = 0x000000004d98801e Virtual processor ID = 0x0023 TCP: request_sock_TCPv6: Possible SYN flooding on port 20009. Sending cookies. Check SNMP counters. QAT: Invalid ioctl QAT: Invalid ioctl netlink: 11 bytes leftover after parsing attributes in process `syz-executor5'. QAT: Invalid ioctl IPv6: NLM_F_REPLACE set, but no existing node found! IPv6: NLM_F_REPLACE set, but no existing node found! TCP: request_sock_TCP: Possible SYN flooding on port 20020. Sending cookies. Check SNMP counters. sock: process `syz-executor0' is using obsolete getsockopt SO_BSDCOMPAT audit: type=1326 audit(1503791454.151:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4526 comm="syz-executor0" exe="/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0xffff0000 [drm:drm_mode_legacy_fb_format] *ERROR* bad bpp, assuming x8r8g8b8 pixel format [drm:drm_mode_legacy_fb_format] *ERROR* bad bpp, assuming x8r8g8b8 pixel format QAT: Invalid ioctl QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=123 sclass=netlink_route_socket pig=4712 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4712 comm=syz-executor7 nla_parse: 6 callbacks suppressed netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. SELinux: unrecognized netlink message: protocol=0 nlmsg_type=123 sclass=netlink_route_socket pig=4712 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=4727 comm=syz-executor7 netlink: 2 bytes leftover after parsing attributes in process `syz-executor2'. kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read kvm: pic: non byte read capability: warning: `syz-executor7' uses 32-bit capabilities (legacy support in use) 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 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 netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor0'. device  entered promiscuous mode device  left promiscuous mode device  entered promiscuous mode device  left promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor5'. device lo entered promiscuous mode device lo left promiscuous mode netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 5 bytes leftover after parsing attributes in process `syz-executor2'. TCP: request_sock_TCP: Possible SYN flooding on port 20020. Sending cookies. Check SNMP counters. device syz1 entered promiscuous mode audit: type=1326 audit(1503791457.244:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5335 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 device syz1 left promiscuous mode device syz1 entered promiscuous mode audit: type=1326 audit(1503791457.368:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5335 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor5'. loop_reread_partitions: partition scan of loop0 (t?`JzP[ p>TK6C="L l!V #F-') failed (rc=-13) QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl SELinux: unrecognized netlink message: protocol=0 nlmsg_type=123 sclass=netlink_route_socket pig=5628 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5628 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=123 sclass=netlink_route_socket pig=5646 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5646 comm=syz-executor1 kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008f kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008e kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008d kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008c kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008b kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x4000008a kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000089 kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000088 kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000087 kvm [5641]: vcpu0, guest rIP: 0x9135 Hyper-V unhandled rdmsr: 0x40000086 kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns kvm [5641]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000023 data 0x66c900003b9a1043 kvm [5641]: vcpu0, guest rIP: 0x9112 Hyper-V uhandled wrmsr: 0x40000022 data 0x66c90000cb211043 kvm: vcpu 0: requested 316 ns lapic timer period limited to 500000 ns audit: type=1326 audit(1503791458.585:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5734 comm="syz-executor5" exe="/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0xffff0000 device syz0 entered promiscuous mode QAT: Invalid ioctl audit: type=1326 audit(1503791458.658:10): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5758 comm="syz-executor6" exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 audit: type=1326 audit(1503791458.665:11): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5734 comm="syz-executor5" exe="/syz-executor5" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0xffff0000 capability: warning: `syz-executor2' uses deprecated v2 capabilities in a way that may be insecure audit: type=1326 audit(1503791458.773:12): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5758 comm="syz-executor6" exe="/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl TCP: request_sock_TCP: Possible SYN flooding on port 20012. Sending cookies. Check SNMP counters. audit: type=1326 audit(1503791459.659:13): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5962 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 kvm: pic: non byte write kvm: pic: single mode not supported kvm: pic: non byte write kvm: pic: single mode not supported audit: type=1326 audit(1503791459.769:14): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5962 comm="syz-executor7" exe="/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 sctp: [Deprecated]: syz-executor6 (pid 6060) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 6060) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor6 (pid 6060) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device syz4 entered promiscuous mode sctp: [Deprecated]: syz-executor6 (pid 6083) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 6083) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor6 (pid 6070) Use of int in maxseg socket option. Use struct sctp_assoc_value instead device syz4 left promiscuous mode device syz4 entered promiscuous mode kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x4000008f data 0x75 kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x4000008e data 0x76 kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x4000008d data 0x77 kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x4000008c data 0x78 kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x4000008b data 0x79 kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x4000008a data 0x7a kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x40000089 data 0x7b kvm [6157]: vcpu0, guest rIP: 0x910f Hyper-V uhandled wrmsr: 0x40000088 data 0x7c audit: type=1326 audit(1503791460.555:15): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6304 comm="syz-executor0" exe="/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 NFS: bad mount option value specified: v; audit: type=1326 audit(1503791460.614:16): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6304 comm="syz-executor0" exe="/syz-executor0" sig=9 arch=c000003e syscall=202 compat=0 ip=0x446749 code=0x0 NFS: bad mount option value specified: v; sctp: [Deprecated]: syz-executor3 (pid 6393) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl