INFO: rcu_sched detected stalls on CPUs/tasks: 1-...: (0 ticks this GP) idle=6e4/0/0 softirq=160762/160762 fqs=0 (detected by 0, t=125002 jiffies, g=89162, c=89161, q=157) Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at pc 0xffffffff84d3ae76 rcu_sched kthread starved for 125002 jiffies! g89162 c89161 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x402 ->cpu=1 rcu_sched I22064 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 nla_parse: 17 callbacks suppressed netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'. Bearer <÷ÿ> rejected, illegal name audit: type=1326 audit(1508219503.254:1240): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.254:1241): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.254:1242): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=188 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.254:1243): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.254:1244): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=248 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.254:1245): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.254:1246): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=16 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.277:1247): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.279:1248): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x4520a9 code=0x7ffc0000 audit: type=1326 audit(1508219503.279:1249): auid=4294967295 uid=0 gid=0 ses=4294967295 subj=kernel pid=22036 comm="syz-executor0" exe="/root/syz-executor0" sig=0 arch=c000003e syscall=250 compat=0 ip=0x4520a9 code=0x7ffc0000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor0'. Bearer <÷ÿ> rejected, illegal name netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr *** Guest State *** netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr SELinux: unrecognized netlink message: protocol=0 nlmsg_type=16640 sclass=netlink_route_socket pig=22146 comm=syz-executor6 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=16640 sclass=netlink_route_socket pig=22146 comm=syz-executor6 CR0: actual=0x0000000080000031, shadow=0x00000000e0000031, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002070, shadow=0x0000000000000030, gh_mask=ffffffffffffe871 CR3 = 0x0000000000004000 PDPTR0 = 0x0000000000003007 PDPTR1 = 0x0000000000000000 PDPTR2 = 0x0000000000000000 PDPTR3 = 0x0000000000000000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0050:0000000000002810 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 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ba1f3 RSP = 0xffff8801d94774c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff88837e700 GSBase=ffff8801db300000 TRBase=ffff8801db322cc0 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c4984000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d3dd30 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6986dfa SecondaryExec=00000042 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000306 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000002 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff0a6709d5c4 EPT pointer = 0x00000001c4f3e01e netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. QAT: Invalid ioctl PF_BRIDGE: br_mdb_parse() with invalid attr QAT: Invalid ioctl netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x00000000e0000031, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002070, shadow=0x0000000000000030, gh_mask=ffffffffffffe871 CR3 = 0x0000000000004000 PDPTR0 = 0x0000000000003007 PDPTR1 = 0x0000000000000000 PDPTR2 = 0x0000000000000000 PDPTR3 = 0x0000000000000000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0050:0000000000002810 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 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ba1f3 RSP = 0xffff88019e3df4c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff88837e700 GSBase=ffff8801db300000 TRBase=ffff8801db322cc0 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c6e5c000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d3dd30 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6986dfa SecondaryExec=00000042 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000306 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000002 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff09fc604d8e EPT pointer = 0x00000001d1d8e01e netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=22346 comm=syz-executor3 PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr QAT: Invalid ioctl QAT: Invalid ioctl PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr SELinux: unrecognized netlink message: protocol=0 nlmsg_type=8209 sclass=netlink_route_socket pig=22532 comm=syz-executor1 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=22532 comm=syz-executor1 PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x00000000e0000031, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002070, shadow=0x0000000000000030, gh_mask=ffffffffffffe871 PF_BRIDGE: br_mdb_parse() with invalid attr CR3 = 0x0000000000004000 PDPTR0 = 0x0000000000003007 PDPTR1 = 0x0000000000000000 PDPTR2 = 0x0000000000000000 PDPTR3 = 0x0000000000000000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0050:0000000000002810 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 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ba1f3 RSP = 0xffff88019dcc74c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff88837e700 GSBase=ffff8801db300000 TRBase=ffff8801db322cc0 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001c8c33000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d3dd30 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6986dfa SecondaryExec=00000042 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000306 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000002 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff08c567cbf6 EPT pointer = 0x000000018bcac01e PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr print_req_error: I/O error, dev loop0, sector 0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=22807 comm=syz-executor3 PF_BRIDGE: br_mdb_parse() with invalid attr print_req_error: I/O error, dev loop0, sector 0 SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=22812 comm=syz-executor3 PF_BRIDGE: br_mdb_parse() with invalid attr SELinux: unrecognized netlink message: protocol=0 nlmsg_type=0 sclass=netlink_route_socket pig=22828 comm=syz-executor3 PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr SELinux: unrecognized netlink message: protocol=0 nlmsg_type=27156 sclass=netlink_route_socket pig=22935 comm=syz-executor0 PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr SELinux: unrecognized netlink message: protocol=0 nlmsg_type=27156 sclass=netlink_route_socket pig=22937 comm=syz-executor0 nla_parse: 40 callbacks suppressed netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor3'. netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr device gre0 entered promiscuous mode netlink: 7 bytes leftover after parsing attributes in process `syz-executor6'. PF_BRIDGE: br_mdb_parse() with invalid attr PF_BRIDGE: br_mdb_parse() with invalid attr *** Guest State *** CR0: actual=0x0000000080000031, shadow=0x00000000e0000031, gh_mask=fffffffffffffff7 CR4: actual=0x0000000000002070, shadow=0x0000000000000030, gh_mask=ffffffffffffe871 CR3 = 0x0000000000004000 PDPTR0 = 0x0000000000003007 PDPTR1 = 0x0000000000000000 PDPTR2 = 0x0000000000000000 PDPTR3 = 0x0000000000000000 RSP = 0x0000000000000f80 RIP = 0x0000000000000000 RFLAGS=0x00000002 DR7 = 0x0000000000000400 Sysenter RSP=0000000000000f80 CS:RIP=0050:0000000000002810 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 QAT: Invalid ioctl 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 Interruptibility = 00000000 ActivityState = 00000000 *** Host State *** RIP = 0xffffffff811ba1f3 RSP = 0xffff8801bf9774c8 CS=0010 SS=0018 DS=0000 ES=0000 FS=0000 GS=0000 TR=0040 FSBase=00007ff88839f700 GSBase=ffff8801db300000 TRBase=ffff8801db322cc0 GDTBase=ffffffffff576000 IDTBase=ffffffffff57b000 CR0=0000000080050033 CR3=00000001cfd93000 CR4=00000000001426e0 Sysenter RSP=0000000000000000 CS:RIP=0010:ffffffff84d3dd30 EFER = 0x0000000000000d01 PAT = 0x0000000000000000 *** Control State *** PinBased=0000003f CPUBased=b6986dfa SecondaryExec=00000042 EntryControls=0000d1ff ExitControls=0023efff ExceptionBitmap=00060042 PFECmask=00000000 PFECmatch=00000000 VMEntry: intr_info=00000306 errcode=00000000 ilen=00000000 VMExit: intr_info=00000000 errcode=00000000 ilen=00000003 reason=80000021 qualification=0000000000000002 IDTVectoring: info=00000000 errcode=00000000 TSC Offset = 0xffffff073bddc659 EPT pointer = 0x00000001bf1e701e QAT: Invalid ioctl kvm: emulating exchange as write