====================================================== WARNING: possible circular locking dependency detected 4.13.0-rc6-next-20170825+ #9 Not tainted ------------------------------------------------------ kworker/0:1/23 is trying to acquire lock: ((&w->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 __static_key_slow_dec kernel/jump_label.c:213 [inline] static_key_slow_dec+0x4a/0x90 kernel/jump_label.c:228 once_deferred+0x5c/0x90 lib/once.c:17 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 ((&w->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: (&w->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((&w->work)); unlock((complete)&rcu.completion); *** DEADLOCK *** 3 locks held by kworker/0:1/23: #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: 23 Comm: kworker/0:1 Not tainted 4.13.0-rc6-next-20170825+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 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 sctp: [Deprecated]: syz-executor7 (pid 4222) Use of int in max_burst socket option. Use struct sctp_assoc_value instead nla_parse: 5 callbacks suppressed netlink: 11 bytes leftover after parsing attributes in process `syz-executor0'. netlink: 11 bytes leftover after parsing attributes in process `syz-executor0'. sctp: [Deprecated]: syz-executor6 (pid 4275) Use of int in max_burst socket option deprecated. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 4312) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 4312) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor3 (pid 4349) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1503772289.439:2): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4308 comm="syz-executor6" exe="/root/syz-executor6" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 sctp: [Deprecated]: syz-executor3 (pid 4334) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 4312) Use of int in maxseg socket option. Use struct sctp_assoc_value instead sctp: [Deprecated]: syz-executor6 (pid 4350) Use of int in maxseg socket option. Use struct sctp_assoc_value instead *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000031, gh_mask=fffffffffffffff7 kvm: apic: phys broadcast and lowest prio CR4: actual=0x0000000000002050, shadow=0x0000000000000020, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0050:0000000000002810 CS: sel=0x0030, attr=0x0409b, limit=0x000fffff, base=0x0000000000000000 netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor7'. 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 = 0x0000000000004001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** device lo entered promiscuous mode RIP = 0xffffffff811b8fd7 RSP = 0xffff8801d1a2f4c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007f61b9ead700 GSBase=ffff8801db200000 TRBase=ffff8801db223100 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001d8d99000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84da5a60 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6a1edfe SecondaryExec=0000004b EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 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 = 0xffffffe3b8cd346e TPR Threshold = 0x00 EPT pointer = 0x00000001cb1b801e netlink: 16 bytes leftover after parsing attributes in process `syz-executor4'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor6'. TCP: request_sock_TCP: Possible SYN flooding on port 20016. Sending cookies. Check SNMP counters. device syz1 entered promiscuous mode QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1326 audit(1503772291.012:3): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4718 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor5'. audit: type=1326 audit(1503772291.106:4): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=4718 comm="syz-executor2" exe="/root/syz-executor2" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 kvm [4805]: vcpu0, guest rIP: 0xfff0 disabled perfctr wrmsr: 0x186 data 0x8 netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. netlink: 13 bytes leftover after parsing attributes in process `syz-executor5'. TCP: request_sock_TCP: Possible SYN flooding on port 20004. Sending cookies. Check SNMP counters. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl device syz3 entered promiscuous mode raw_sendmsg: syz-executor7 forgot to set AF_INET. Fix it! 9pnet_virtio: no channels available for device ./file0 sctp: [Deprecated]: syz-executor1 (pid 4921) Use of int in max_burst socket option. Use struct sctp_assoc_value instead 9pnet_virtio: no channels available for device ./file0 sctp: [Deprecated]: syz-executor1 (pid 4949) Use of int in max_burst socket option. Use struct sctp_assoc_value instead QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl sg_write: data in/out 213971796/17 bytes for SCSI command 0x0-- guessing data in; program syz-executor3 not setting count and/or reply_len properly rfkill: input handler disabled rfkill: input handler enabled RDS: rds_bind could not find a transport for 255.255.255.255, load rds_tcp or rds_rdma? QAT: Invalid ioctl QAT: Invalid ioctl syz-executor3: vmalloc: allocation failure: 17179869180 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 5393 Comm: syz-executor3 Not tainted 4.13.0-rc6-next-20170825+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 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+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:711 do_replace net/ipv6/netfilter/ip6_tables.c:1155 [inline] do_ip6t_set_ctl+0x34b/0x5c0 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:920 rawv6_setsockopt+0x4a/0xf0 net/ipv6/raw.c:1059 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: 0033:0x4512e9 RSP: 002b:00007fcb312bbc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512e9 RDX: 0800000000000040 RSI: 0400000000000029 RDI: 0000000000000017 RBP: 00000000000057f0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000216 R12: 00000000004ba7ee R13: 00000000ffffffff R14: 000000000000001f R15: 0000000000000005 Mem-Info: active_anon:94359 inactive_anon:33 isolated_anon:0 active_file:3467 inactive_file:4674 isolated_file:0 unevictable:0 dirty:219 writeback:0 unstable:0 slab_reclaimable:7656 slab_unreclaimable:101097 mapped:20876 shmem:41 pagetables:840 bounce:0 free:1397114 free_pcp:391 free_cma:0 Node 0 active_anon:377436kB inactive_anon:132kB active_file:13868kB inactive_file:18696kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:83504kB dirty:876kB writeback:0kB shmem:164kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 14336kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no Node 0 DMA free:15908kB min:160kB low:200kB high:240kB 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 2886 6399 6399 Node 0 DMA32 free:2957384kB min:30408kB low:38008kB high:45608kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2958128kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:728kB local_pcp:600kB free_cma:0kB lowmem_reserve[]: 0 0 3513 3513 Node 0 Normal free:2615164kB min:37008kB low:46260kB high:55512kB active_anon:377436kB inactive_anon:132kB active_file:13868kB inactive_file:18696kB unevictable:0kB writepending:876kB present:4718592kB managed:3597444kB mlocked:0kB kernel_stack:4512kB pagetables:3360kB bounce:0kB free_pcp:836kB local_pcp:564kB 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: 4*4kB (M) 3*8kB (UM) 4*16kB (UM) 3*32kB (M) 4*64kB (UM) 1*128kB (M) 4*256kB (UM) 5*512kB (UM) 2*1024kB (UM) 3*2048kB (UM) 719*4096kB (M) = 2957384kB Node 0 Normal: 1829*4kB (UE) 405*8kB (UME) 2080*16kB (UME) 1744*32kB (UME) 933*64kB (UME) 242*128kB (UME) 56*256kB (UM) 4*512kB (ME) 4*1024kB (UME) 6*2048kB (UM) 584*4096kB (M) = 2615164kB Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB 8181 total pagecache pages 0 pages in swap cache Swap cache stats: add 0, delete 0, find 0/0 Free swap = 0kB Total swap = 0kB 1965979 pages RAM 0 pages HighMem/MovableOnly 323109 pages reserved syz-executor3: vmalloc: allocation failure: 17179869180 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) syz-executor3 cpuset=/ mems_allowed=0 CPU: 0 PID: 5393 Comm: syz-executor3 Not tainted 4.13.0-rc6-next-20170825+ #9 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 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+0x235/0x1690 net/ipv6/netfilter/ip6_tables.c:711 do_replace net/ipv6/netfilter/ip6_tables.c:1155 [inline] do_ip6t_set_ctl+0x34b/0x5c0 net/ipv6/netfilter/ip6_tables.c:1681 nf_sockopt net/netfilter/nf_sockopt.c:105 [inline] nf_setsockopt+0x67/0xc0 net/netfilter/nf_sockopt.c:114 ipv6_setsockopt+0x115/0x150 net/ipv6/ipv6_sockglue.c:920 rawv6_setsockopt+0x4a/0xf0 net/ipv6/raw.c:1059 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: 0033:0x4512e9 RSP: 002b:00007fcb312bbc08 EFLAGS: 00000216 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 0000000000718000 RCX: 00000000004512e9 RDX: 0800000000000040 RSI: 0400000000000029 RDI: 0000000000000020 RBP: 0000000000004a10 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000000 R11: 0000000000000216 R12: 00000000004ba0cc R13: 00000000ffffffff R14: 0000000000000017 R15: 0400000000000029 sctp: [Deprecated]: syz-executor0 (pid 5422) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1503772293.436:5): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5418 comm="syz-executor0" exe="/root/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 sctp: [Deprecated]: syz-executor0 (pid 5442) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1503772293.535:6): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5418 comm="syz-executor0" exe="/root/syz-executor0" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 sctp: [Deprecated]: syz-executor4 (pid 5486) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor4 (pid 5495) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor5 (pid 5535) Use of int in max_burst socket option. Use struct sctp_assoc_value instead nla_parse: 18 callbacks suppressed netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 8 bytes leftover after parsing attributes in process `syz-executor2'. device lo entered promiscuous mode sctp: [Deprecated]: syz-executor5 (pid 5522) Use of int in max_burst socket option. Use struct sctp_assoc_value instead netlink: 16 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1326 audit(1503772294.869:7): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5645 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 audit: type=1326 audit(1503772294.892:8): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5645 comm="syz-executor7" exe="/root/syz-executor7" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 sctp: [Deprecated]: syz-executor6 (pid 5695) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead QAT: Invalid ioctl QAT: Invalid ioctl kvm: vcpu 0: requested 68374 ns lapic timer period limited to 500000 ns QAT: Invalid ioctl sctp: [Deprecated]: syz-executor6 (pid 5724) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead device syz3 left promiscuous mode device syz3 entered promiscuous mode device syz3 left promiscuous mode device syz3 entered promiscuous mode SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5902 comm=syz-executor0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5932 comm=syz-executor0 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl sctp: [Deprecated]: syz-executor5 (pid 6093) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor5 (pid 6103) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. sctp: [Deprecated]: syz-executor3 (pid 6140) Use of int in maxseg socket option. Use struct sctp_assoc_value instead netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 1 bytes leftover after parsing attributes in process `syz-executor2'. audit: type=1326 audit(1503772296.871:9): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6139 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 netlink: 3 bytes leftover after parsing attributes in process `syz-executor2'. kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008f data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008e data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008d data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008c data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008b data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x4000008a data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000089 data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000088 data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000087 data 0x0 kvm [6082]: vcpu0, guest rIP: 0x9115 Hyper-V uhandled wrmsr: 0x40000086 data 0x0 sctp: [Deprecated]: syz-executor3 (pid 6170) Use of int in maxseg socket option. Use struct sctp_assoc_value instead audit: type=1326 audit(1503772296.962:10): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6139 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl audit: type=1326 audit(1503772297.845:11): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6402 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 audit: type=1326 audit(1503772297.902:12): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6402 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 DRBG: could not allocate digest TFM handle: hmac(sha256) DRBG: could not allocate digest TFM handle: hmac(sha256) audit: type=1326 audit(1503772297.985:13): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6442 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000 audit: type=1326 audit(1503772298.060:14): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6442 comm="syz-executor3" exe="/root/syz-executor3" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4512e9 code=0xffff0000