INFO: rcu_sched detected stalls on CPUs/tasks: 0-...: (0 ticks this GP) idle=ef4/0/0 softirq=139223/139223 fqs=0 (detected by 1, t=125002 jiffies, g=75844, c=75843, q=358) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 skipped: idling at pc 0xffffffff84d3ae76 rcu_sched kthread starved for 125002 jiffies! g75844 c75843 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=0 rcu_sched I21680 8 2 0x80000000 Call Trace: context_switch kernel/sched/core.c:2790 [inline] __schedule+0x8eb/0x2060 kernel/sched/core.c:3366 schedule+0xf5/0x430 kernel/sched/core.c:3425 schedule_timeout+0x150/0x250 kernel/time/timer.c:1743 rcu_gp_kthread+0x9e5/0x1930 kernel/rcu/tree.c:2247 kthread+0x35e/0x430 kernel/kthread.c:231 ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:431 netlink: 7 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl PF_BRIDGE: br_mdb_parse() with unknown ifindex netlink: 7 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl PF_BRIDGE: br_mdb_parse() with unknown ifindex QAT: Invalid ioctl QAT: Invalid ioctl kauditd_printk_skb: 47 callbacks suppressed audit: type=1326 audit(1508189526.326:10344): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5485 comm="syz-executor1" exe="/root/syz-executor1" sig=31 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0xffff0000 QAT: Invalid ioctl device gre0 entered promiscuous mode netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. audit: type=1326 audit(1508189526.737:10345): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.739:10346): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=172 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.739:10347): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.740:10348): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=128 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.751:10349): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.751:10350): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=16 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.751:10351): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.752:10352): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=16 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189526.752:10353): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=5560 comm="syz-executor3" exe="/root/syz-executor3" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 netlink: 1 bytes leftover after parsing attributes in process `syz-executor7'. QAT: Invalid ioctl QAT: Invalid ioctl selinux_nlmsg_perm: 1 callbacks suppressed SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5676 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=5676 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5700 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=5700 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5676 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=5727 comm=syz-executor7 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=5700 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=9 sclass=netlink_route_socket pig=5700 comm=syz-executor3 *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x0000000060000011, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002050, shadow=0x0000000000000000, gh_mask=ffffffffffffe871 CR3 = 0x00000000fffbc000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00010002 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 = 0x0000000000008001 PAT = 0x0007040600070406 DebugCtl = 0x0000000000000000 DebugExceptions = 0x0000000000000000 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ba1f3 RSP = 0xffff8801c63274c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007fc51de8e700 GSBase=ffff8801db200000 TRBase=ffff8801db222cc0 GDTBase=ffffffffff577000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c75e7000 CR4=00000000001426f0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d3dd30 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b699edfa SecondaryExec=00000042 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=80000b0d errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000000 reason=80000021 qualification=0000000000000000 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff300c06ed27 EPT pointer = 0x00000001d215c01e SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24 sclass=netlink_audit_socket pig=5839 comm=syz-executor3 SELinux: unrecognized netlink message: protocol=9 nlmsg_type=24 sclass=netlink_audit_socket pig=5852 comm=syz-executor3 netlink: 6 bytes leftover after parsing attributes in process `syz-executor2'. sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor7 not setting count and/or reply_len properly sg_write: data in/out 213832448/199 bytes for SCSI command 0xf-- guessing data in; program syz-executor7 not setting count and/or reply_len properly netlink: 6 bytes leftover after parsing attributes in process `syz-executor2'. netlink: 6 bytes leftover after parsing attributes in process `syz-executor2'. sg_write: data in/out 822404280/197 bytes for SCSI command 0x12-- guessing data in; program syz-executor7 not setting count and/or reply_len properly kvm: pic: non byte read netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 16 bytes leftover after parsing attributes in process `syz-executor6'. QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl QAT: Invalid ioctl 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'. sctp: [Deprecated]: syz-executor1 (pid 6208) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead sctp: [Deprecated]: syz-executor1 (pid 6224) Use of struct sctp_assoc_value in delayed_ack socket option. Use struct sctp_sack_info instead ALSA: seq fatal error: cannot create timer (-19) netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 2 bytes leftover after parsing attributes in process `syz-executor3'. QAT: Invalid ioctl dccp_invalid_packet: P.Data Offset(172) too large QAT: Invalid ioctl dccp_invalid_packet: P.Data Offset(172) too large kauditd_printk_skb: 235 callbacks suppressed audit: type=1326 audit(1508189531.655:10589): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.655:10590): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10591): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=41 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10592): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10593): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10594): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=32 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10595): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10596): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10597): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=68 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508189531.662:10598): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=6415 comm="syz-executor1" exe="/root/syz-executor1" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 netlink: 5 bytes leftover after parsing attributes in process `syz-executor1'. QAT: Invalid ioctl QAT: Invalid ioctl