Extracting prog: 58m49.821239942s Minimizing prog: 1h43m27.383131568s Simplifying prog options: 0s Extracting C: 3m4.890521781s Simplifying C: 45m24.82339825s extracting reproducer from 53 programs testing a last program of every proc single: executing 13 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-openat$ppp-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_CAP_XEN_HVM-ioctl$KVM_SET_NESTED_STATE-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000001b80), 0x20040, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000001e40)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) openat$ppp(0xffffffffffffff9c, &(0x7f0000000080), 0x1415c2, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000000000/0x18000)=nil, &(0x7f0000005d80)=[@text64={0x40, 0x0}], 0x1, 0x74, 0x0, 0x0) ioctl$KVM_CAP_XEN_HVM(r1, 0x4068aea3, &(0x7f0000000000)={0x26, 0x0, 0x1}) ioctl$KVM_SET_NESTED_STATE(r2, 0x4080aebf, &(0x7f0000005dc0)=@vmx={0x9, 0x0, 0x2080, {0xf000, 0x8000000, {}, 0x0, 0x8b}, 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ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket$inet-socket$nl_netfilter-socket$nl_xfrm-openat$uinput-ioctl$UI_SET_KEYBIT-socket-mmap$IORING_OFF_SQ_RING-sendmsg$inet-socketpair$unix-sendmsg$inet-recvmsg$unix-pipe2-syz_ublk_add_dev-socket$inet6_tcp-dup-syz_ublk_setup_queues-setsockopt$SO_ATTACH_FILTER-syz_ublk_setup_queues detailed listing: executing program 0: r0 = socket$nl_generic(0x10, 0x3, 0x10) socket$inet(0x2, 0x2, 0x1) socket$nl_netfilter(0x10, 0x3, 0xc) socket$nl_xfrm(0x10, 0x3, 0x6) r1 = openat$uinput(0xffffffffffffff9c, &(0x7f0000000180), 0x2, 0x0) ioctl$UI_SET_KEYBIT(r1, 0x40045565, 0x1000000000002ac) socket(0x10, 0x803, 0x0) mmap$IORING_OFF_SQ_RING(0x0, 0x8000002, 0x2000007, 0x401d031, 0xffffffffffffffff, 0x0) sendmsg$inet(0xffffffffffffffff, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[@ANYBLOB="28010000000000000100000001"], 0x128}, 0x4004000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000100)={0xffffffffffffffff, 0xffffffffffffffff}) sendmsg$inet(r3, &(0x7f0000001b00)={0x0, 0x0, 0x0, 0x0, &(0x7f0000001d80)=ANY=[], 0x128}, 0x0) recvmsg$unix(r2, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x0, &(0x7f00000006c0)=[@cred={{0x1c}}, @rights={{0x10}}, @rights={{0x10}}, @rights={{0x2c, 0x1, 0x1, [0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff, 0xffffffffffffffff]}}], 0x70}, 0x80) pipe2(0x0, 0x0) syz_ublk_add_dev(r4, 0x0, 0x0, 0x0, &(0x7f0000000200)={0x2e, 0x0, 0x0, 0xffffffffffffffff, 0xc0207504, 0x0, 0x0, 0x0, 0x0, 0x7, 0x0, 0x0, '\x00', {0xffffffff, 0xffff, 0x40, &(0x7f00000001c0)=@any_dev={0x4, 0x3f7, 0x0, 0x0, 0x1000, 0xe, 0x0, 0x0, 0x10}}}, &(0x7f0000000300)=0x0) r8 = socket$inet6_tcp(0xa, 0x1, 0x0) r9 = dup(r8) syz_ublk_setup_queues(r4, r7, &(0x7f0000000280)={0x0, 0x7590, 0x4000, 0x2, 0x128}, &(0x7f0000000440)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0xad5b, 0x20000, 0x3, 0x2d9}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x8149, 0x20, 0x2, 0x13c, 0x0, r6}, 0xffffffffffffffff}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xd6d7, 0x200, 0x1, 0x1c7, 0x0, r5}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x4ce6, 0x0, 0x2, 0x19e}}], 0x4, 0x0, 0x0) setsockopt$SO_ATTACH_FILTER(r0, 0x1, 0x1a, &(0x7f0000000140)={0x8, &(0x7f00000000c0)=[{0x6, 0xdb, 0xa9, 0x2}, {0x3, 0x3, 0x3b, 0xd8d0}, {0x20, 0x3, 0x4, 0x7f}, {0x400, 0x2, 0xf7, 0x7f}, {0x4, 0x2, 0x2, 0xffffffff}, {0x7f, 0x8, 0x3, 0x7}, {0x7, 0x8, 0x89, 0x4}, {0x8000, 0xc0, 0xb, 0x5}]}, 0x10) syz_ublk_setup_queues(r9, r7, &(0x7f0000000040)={0x0, 0xc1, 0x10, 0xfffffffd, 0x7f}, &(0x7f0000000a80)=[{0x0, 0x0, 0xffffffffffffffff, {0x0, 0x3, 0x42, 0x3, 0x91}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0xc81d, 0x2, 0x1, 0x3aa}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x93ea, 0x2000, 0x4003bfff, 0x2b9}}, {0x0, 0x0, 0xffffffffffffffff, {0x0, 0x626d, 0x800, 0x1, 0x26d, 0x0, r10}}], 0x1, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CAP_DIRTY_LOG_RING-ioctl$KVM_SET_USER_MEMORY_REGION-socket-openat$zero-syz_clone-syz_create_resource$futex-futex-socket$nl_audit-ioctl$sock_SIOCETHTOOL-fcntl$lock-sendmsg$nl_generic-socket$igmp-getsockopt$inet_IP_IPSEC_POLICY-quotactl_fd$Q_GETFMT-setsockopt$MRT_DEL_MFC_PROXY detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CAP_DIRTY_LOG_RING(r1, 0x4068aea3, &(0x7f0000000200)={0xc0, 0x0, 0x8000}) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000280)={0x1ff, 0x1, 0x100000000000000, 0x1000, &(0x7f0000001000/0x1000)=nil}) r2 = socket(0x10, 0x3, 0x0) r3 = openat$zero(0xffffffffffffff9c, &(0x7f00000000c0), 0x20000, 0x0) r4 = syz_clone(0xa08100, 0x0, 0x0, 0x0, 0x0, 0x0) r5 = syz_create_resource$futex(&(0x7f00000004c0)=0x1) futex(0x0, 0x2, 0x1, &(0x7f0000000480)={0x0, 0x989680}, r5, 0x1) r6 = socket$nl_audit(0x10, 0x3, 0x9) ioctl$sock_SIOCETHTOOL(r6, 0x8946, &(0x7f0000000180)={'team_slave_0\x00', &(0x7f00000002c0)=@ethtool_sset_info={0x3f, 0x0, 0x101}}) fcntl$lock(r3, 0x25, &(0x7f0000000100)={0x2, 0x0, 0x100000000, 0x40, r4}) sendmsg$nl_generic(r2, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000080)={&(0x7f00000001c0)={0x20, 0x52, 0x1, 0x0, 0x0, {0xa}, [@typed={0xc, 0x1, 0x0, 0x0, @u64=0x2}]}, 0x20}}, 0x0) r7 = socket$igmp(0x2, 0x3, 0x2) getsockopt$inet_IP_IPSEC_POLICY(r7, 0x0, 0x10, &(0x7f0000000340)={{{@in=@dev, @in=@empty, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}}, {{@in6=@initdev}, 0x0, @in6=@mcast1}}, &(0x7f0000000300)=0xe8) quotactl_fd$Q_GETFMT(r1, 0xffffffff80000402, r8, &(0x7f0000000440)) setsockopt$MRT_DEL_MFC_PROXY(r2, 0x0, 0xd3, &(0x7f0000000040)={@loopback, @initdev={0xac, 0x1e, 0x1, 0x0}, 0x0, "90ebbad86bb514d411bbd83bea3ed1cb7958f7420b2924d04c86e1547a01bf63", 0x2, 0xd, 0xa, 0x5}, 0x3c) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_disconnect-syz_usb_connect$hid-syz_usb_control_io-syz_usb_connect$cdc_ecm-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_ep_write detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000000040260933334000000000010902240001000000000904000001030100000921000000012201000905810308"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$hid(0x3, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120110010000"], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_connect$cdc_ecm(0x4, 0x61, &(0x7f0000000200)={{0x12, 0x1, 0x300, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x4f, 0x1, 0x1, 0x8, 0x0, 0xfc, "", [{{0x9, 0x4, 0x0, 0x7, 0x3, 0x2, 0x6, 0x0, 0x2, {{0x9, 0x24, 0x6, 0x0, 0x0, "66b7e04f"}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x0, 0x40, 0x8001}, [@network_terminal={0x7, 0x24, 0xa, 0x1, 0xc, 0x2, 0x1}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x40, 0x5, 0xb, 0xa8}}], {{0x9, 0x5, 0x82, 0x2, 0x200, 0x1, 0x8}}, {{0x9, 0x5, 0x3, 0x2, 0x8, 0x5, 0x2, 0x7}}}}}]}}]}}, &(0x7f0000000400)={0xa, &(0x7f0000000280)={0xa, 0x6, 0x300, 0x3, 0x2, 0x81, 0x10, 0x2}, 0x97, &(0x7f00000002c0)={0x5, 0xf, 0x97, 0x5, [@wireless={0xb, 0x10, 0x1, 0xc, 0x8e, 0x80, 0x2, 0x3ff, 0x9}, @ptm_cap={0x3}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x5, 0x9, 0xe2, 0x6}, @generic={0x77, 0x10, 0xb, "03ecf5b9bb02048f25039ff3fca203d2644eb136a29d223a142768cfa35520da5b293c4d3e73b5ac636eacdbf22f68c843d90e64411855a3b6b8c59fdac87b524e369c2a26d1390dd9c957a00d9156dbcda8538b763f1752819a9194187d00c59729fc33986a0568b1b136debfa1b5f836f7ba90"}, @ptm_cap={0x3}]}, 0x2, [{0x14, &(0x7f0000000380)=@string={0x14, 0x3, "085283a017770c30a647e4d5120dae4df5be"}}, {0x1f, &(0x7f00000003c0)=@string={0x1f, 0x3, "1159f6ded42ae660f5d8fecc9534bf6a9f365c1e2cdf232a1c7a38e63e"}}]}) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0xffffffffffffff6d, &(0x7f0000000100)="019a18370cfb661ba08c228ce6ca19b6a99a071ca34c72c891f8a260fa00000080977dae8d64a30e92cd51117c4a71e26518e804c00058e6c7c0c363027251668bb650d90000000000") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_disconnect-syz_usb_connect$hid-syz_usb_control_io-syz_usb_connect$cdc_ecm-syz_usb_control_io$hid-syz_usb_control_io-syz_usb_ep_write detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000000000040260933334000000000010902240001000000000904000001030100000921000000012201000905810308"], 0x0) syz_usb_disconnect(r0) r1 = syz_usb_connect$hid(0x3, 0x36, &(0x7f0000000000)=ANY=[@ANYBLOB="120110010000"], 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_connect$cdc_ecm(0x4, 0x61, &(0x7f0000000200)={{0x12, 0x1, 0x300, 0x2, 0x0, 0x0, 0xff, 0x525, 0xa4a1, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x4f, 0x1, 0x1, 0x8, 0x0, 0xfc, "", [{{0x9, 0x4, 0x0, 0x7, 0x3, 0x2, 0x6, 0x0, 0x2, {{0x9, 0x24, 0x6, 0x0, 0x0, "66b7e04f"}, {0x5, 0x24, 0x0, 0x9}, {0xd, 0x24, 0xf, 0x1, 0x0, 0x40, 0x8001}, [@network_terminal={0x7, 0x24, 0xa, 0x1, 0xc, 0x2, 0x1}]}, {[{{0x9, 0x5, 0x81, 0x3, 0x40, 0x5, 0xb, 0xa8}}], {{0x9, 0x5, 0x82, 0x2, 0x200, 0x1, 0x8}}, {{0x9, 0x5, 0x3, 0x2, 0x8, 0x5, 0x2, 0x7}}}}}]}}]}}, &(0x7f0000000400)={0xa, &(0x7f0000000280)={0xa, 0x6, 0x300, 0x3, 0x2, 0x81, 0x10, 0x2}, 0x97, &(0x7f00000002c0)={0x5, 0xf, 0x97, 0x5, [@wireless={0xb, 0x10, 0x1, 0xc, 0x8e, 0x80, 0x2, 0x3ff, 0x9}, @ptm_cap={0x3}, @ss_cap={0xa, 0x10, 0x3, 0x0, 0x5, 0x9, 0xe2, 0x6}, @generic={0x77, 0x10, 0xb, "03ecf5b9bb02048f25039ff3fca203d2644eb136a29d223a142768cfa35520da5b293c4d3e73b5ac636eacdbf22f68c843d90e64411855a3b6b8c59fdac87b524e369c2a26d1390dd9c957a00d9156dbcda8538b763f1752819a9194187d00c59729fc33986a0568b1b136debfa1b5f836f7ba90"}, @ptm_cap={0x3}]}, 0x2, [{0x14, &(0x7f0000000380)=@string={0x14, 0x3, "085283a017770c30a647e4d5120dae4df5be"}}, {0x1f, &(0x7f00000003c0)=@string={0x1f, 0x3, "1159f6ded42ae660f5d8fecc9534bf6a9f365c1e2cdf232a1c7a38e63e"}}]}) syz_usb_control_io$hid(r1, 0x0, 0x0) syz_usb_control_io(r1, 0x0, 0x0) syz_usb_ep_write(r0, 0x81, 0xffffffffffffff6d, &(0x7f0000000100)="019a18370cfb661ba08c228ce6ca19b6a99a071ca34c72c891f8a260fa00000080977dae8d64a30e92cd51117c4a71e26518e804c00058e6c7c0c363027251668bb650d90000000000") program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$binderfs detailed listing: executing program 0: mount$binderfs(0x0, &(0x7f0000000040)='./binderfs\x00', &(0x7f0000000000), 0x4800, &(0x7f00000001c0)={[{@stats}, {@stats}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount$binderfs detailed listing: executing program 0: mount$binderfs(0x0, &(0x7f0000000040)='./binderfs\x00', &(0x7f0000000000), 0x4800, &(0x7f00000001c0)={[{@stats}, {@stats}]}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$inet_opts-setsockopt$SO_TIMESTAMPING-setsockopt$inet6_int-sendmmsg$inet6-recvmmsg-openat$snapshot-ioctl$SNAPSHOT_PLATFORM_SUPPORT detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) setsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f0000000000)=';', 0x1) (async) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x41, &(0x7f0000000040)=0x274f, 0x2b) (async) setsockopt$inet6_int(r0, 0x29, 0x31, &(0x7f0000000080)=0xb2, 0x4) sendmmsg$inet6(r0, &(0x7f00000000c0)=[{{&(0x7f0000000100)={0xa, 0x4e23, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}, 0x2}, 0x1c, 0x0}}], 0x1, 0x0) recvmmsg(r0, &(0x7f0000000140)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=""/28, 0x1c}, 0x7f}], 0x1, 0x12023, 0x0) (async) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x80000, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0x5) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-setsockopt$inet_opts-setsockopt$SO_TIMESTAMPING-setsockopt$inet6_int-sendmmsg$inet6-recvmmsg-openat$snapshot-ioctl$SNAPSHOT_PLATFORM_SUPPORT detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x800000000000002, 0x0) setsockopt$inet_opts(r0, 0x0, 0xd, &(0x7f0000000000)=';', 0x1) (async) setsockopt$SO_TIMESTAMPING(r0, 0x1, 0x41, &(0x7f0000000040)=0x274f, 0x2b) (async) setsockopt$inet6_int(r0, 0x29, 0x31, &(0x7f0000000080)=0xb2, 0x4) sendmmsg$inet6(r0, &(0x7f00000000c0)=[{{&(0x7f0000000100)={0xa, 0x4e23, 0x0, @ipv4={'\x00', '\xff\xff', @loopback}, 0x2}, 0x1c, 0x0}}], 0x1, 0x0) recvmmsg(r0, &(0x7f0000000140)=[{{0x0, 0x0, 0x0, 0x0, &(0x7f0000000180)=""/28, 0x1c}, 0x7f}], 0x1, 0x12023, 0x0) (async) r1 = openat$snapshot(0xffffffffffffff9c, &(0x7f0000000440), 0x80000, 0x0) ioctl$SNAPSHOT_PLATFORM_SUPPORT(r1, 0x330f, 0x5) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_CAP_DISABLE_QUIRKS-ioctl$KVM_RUN-ioctl$KVM_SET_CPUID2-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_CAP_DISABLE_QUIRKS(r4, 0x4068aea3, &(0x7f00000000c0)={0x74, 0x0, 0x54}) ioctl$KVM_RUN(r5, 0xae80, 0x0) ioctl$KVM_SET_CPUID2(r5, 0x4008ae90, &(0x7f0000000180)={0x1, 0x0, [{0xb, 0x7e0, 0x2, 0x8, 0x0, 0x400, 0x40}]}) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program crashed: INFO: task hung in vhost_task_stop single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_CAP_DISABLE_QUIRKS-ioctl$KVM_RUN-ioctl$KVM_SET_CPUID2 detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000300), 0x12) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_CAP_DISABLE_QUIRKS(r3, 0x4068aea3, &(0x7f00000000c0)={0x74, 0x0, 0x54}) ioctl$KVM_RUN(r4, 0xae80, 0x0) ioctl$KVM_SET_CPUID2(r4, 0x4008ae90, &(0x7f0000000180)={0x1, 0x0, [{0xb, 0x7e0, 0x2, 0x8, 0x0, 0x400, 0x40}]}) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_CAP_DISABLE_QUIRKS-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_CAP_DISABLE_QUIRKS(r4, 0x4068aea3, &(0x7f00000000c0)={0x74, 0x0, 0x54}) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program crashed: INFO: task hung in vhost_task_stop testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_CAP_DISABLE_QUIRKS-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_CAP_DISABLE_QUIRKS(r4, 0x4068aea3, &(0x7f00000000c0)={0x74, 0x0, 0x54}) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program crashed: INFO: task hung in vhost_task_stop testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r3 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x2) ioctl$KVM_RUN(r3, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_RUN(r4, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_RUN(r4, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000300), 0x12) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_RUN(r4, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000300), 0x12) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_RUN(r4, 0xae80, 0x0) write$cgroup_freezer_state(0xffffffffffffffff, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_freezer_state(0xffffffffffffffff, &(0x7f0000000140), 0x2, 0x0) r1 = openat$cgroup_procs(0xffffffffffffffff, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r1, &(0x7f0000000300), 0x12) r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) r4 = ioctl$KVM_CREATE_VCPU(r3, 0xae41, 0x2) ioctl$KVM_RUN(r4, 0xae80, 0x0) write$cgroup_freezer_state(r0, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, 0x0, 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, 0x0, 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, 0x0, 0x0) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, 0x0, 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program did not crash testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop simplifying C reproducer testing compiled C program (duration=5m29.23494581s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing compiled C program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state program crashed: INFO: task hung in vhost_task_stop testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program crashed: INFO: task hung in vhost_task_stop validation run: crashed=true testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program crashed: INFO: task hung in vhost_task_stop validation run: crashed=true testing program (duration=5m29.23494581s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat$cgroup_root-openat$cgroup_root-openat$cgroup_freezer_state-openat$cgroup_procs-write$cgroup_pid-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-write$cgroup_freezer_state detailed listing: executing program 0: mkdirat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000)='./cgroup.net/syz0\x00', 0x1ff) r0 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) r1 = openat$cgroup_freezer_state(r0, &(0x7f0000000140), 0x2, 0x0) r2 = openat$cgroup_procs(r0, &(0x7f00000002c0)='tasks\x00', 0x2, 0x0) write$cgroup_pid(r2, &(0x7f0000000300), 0x12) r3 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000040), 0x1, 0x0) r4 = ioctl$KVM_CREATE_VM(r3, 0xae01, 0x0) r5 = ioctl$KVM_CREATE_VCPU(r4, 0xae41, 0x2) ioctl$KVM_RUN(r5, 0xae80, 0x0) write$cgroup_freezer_state(r1, &(0x7f00000004c0)='FROZEN\x00', 0x7) program crashed: INFO: task hung in vhost_task_stop validation run: crashed=true reproducing took 3h38m32.725018211s repro crashed as (corrupted=false): INFO: task syz.2.17:382 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:0 pid:382 tgid:382 ppid:377 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:6063 [inline] __schedule+0x16fe/0x23d0 kernel/sched/core.c:7883 __schedule_loop kernel/sched/core.c:7960 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7975 schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common+0x368/0x650 kernel/sched/completion.c:127 wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148 vhost_task_stop+0xbe/0x160 kernel/vhost_task.c:102 kvm_mmu_pre_destroy_vm+0x4c/0x60 arch/x86/kvm/mmu/mmu.c:7610 kvm_arch_pre_destroy_vm+0x19/0x30 arch/x86/kvm/x86.c:12981 kvm_destroy_vm virt/kvm/kvm_main.c:1322 [inline] kvm_put_kvm+0x369/0x12d0 virt/kvm/kvm_main.c:1392 kvm_vm_release+0x47/0x70 virt/kvm/kvm_main.c:1415 __fput+0x208/0xa30 fs/file_table.c:447 ____fput+0x20/0x30 fs/file_table.c:475 task_work_run+0x1e8/0x260 kernel/task_work.c:246 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50 exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f560039e559 RSP: 002b:00007ffec68f94d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f5600627da0 RCX: 00007f560039e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f5600627da0 R08: 0000000000000006 R09: 0000000000000000 R10: 00007f5600627cb0 R11: 0000000000000246 R12: 000000000002265c R13: 00007f5600625fac R14: 000000000002236d R15: 00007ffec68f95e0 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 4acfbc369189e5cacd88ca5a92b3a107a9d116ed Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:114 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:63 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 cpumask_backtrace+0x1f/0x30 lib/nmi_backtrace.c:127 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xe45/0xf90 kernel/hung_task.c:423 kthread+0x2c7/0x360 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 4acfbc369189e5cacd88ca5a92b3a107a9d116ed Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:116 Code: cc cc cc cc cc cc cc b8 52 05 e9 f5 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 19 3f 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 RAX: ffff8881f6d00000 RBX: ffff88810366e2c0 RCX: ffffffff85a8453d RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000044d5c RBP: ffffc900001a7e00 R08: ffff8881f6d396fb R09: 1ffff1103eda72df R10: dffffc0000000000 R11: ffffed103eda72e0 R12: 0000000000000000 R13: 1ffff110206cdc58 R14: dffffc0000000000 R15: ffffffff886da0e8 FS: 0000000000000000(0000) GS:ffff8881f6d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005632e88b72f8 CR3: 000000011af4c000 CR4: 00000000003526b0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:-1 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:754 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791 default_idle_call+0x3e/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:193 [inline] do_idle+0x1df/0x570 kernel/sched/idle.c:346 cpu_startup_entry+0x47/0x60 kernel/sched/idle.c:445 start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13b/0x157 final repro crashed as (corrupted=false): INFO: task syz.2.17:382 blocked for more than 122 seconds. Not tainted syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz.2.17 state:D stack:0 pid:382 tgid:382 ppid:377 flags:0x00000004 Call Trace: context_switch kernel/sched/core.c:6063 [inline] __schedule+0x16fe/0x23d0 kernel/sched/core.c:7883 __schedule_loop kernel/sched/core.c:7960 [inline] schedule+0xc5/0x240 kernel/sched/core.c:7975 schedule_timeout+0xc7/0x3b0 kernel/time/timer.c:2596 do_wait_for_common kernel/sched/completion.c:95 [inline] __wait_for_common kernel/sched/completion.c:116 [inline] wait_for_common+0x368/0x650 kernel/sched/completion.c:127 wait_for_completion+0x1c/0x40 kernel/sched/completion.c:148 vhost_task_stop+0xbe/0x160 kernel/vhost_task.c:102 kvm_mmu_pre_destroy_vm+0x4c/0x60 arch/x86/kvm/mmu/mmu.c:7610 kvm_arch_pre_destroy_vm+0x19/0x30 arch/x86/kvm/x86.c:12981 kvm_destroy_vm virt/kvm/kvm_main.c:1322 [inline] kvm_put_kvm+0x369/0x12d0 virt/kvm/kvm_main.c:1392 kvm_vm_release+0x47/0x70 virt/kvm/kvm_main.c:1415 __fput+0x208/0xa30 fs/file_table.c:447 ____fput+0x20/0x30 fs/file_table.c:475 task_work_run+0x1e8/0x260 kernel/task_work.c:246 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50 exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84 entry_SYSCALL_64_after_hwframe+0x76/0x7e RIP: 0033:0x7f560039e559 RSP: 002b:00007ffec68f94d8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4 RAX: 0000000000000000 RBX: 00007f5600627da0 RCX: 00007f560039e559 RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003 RBP: 00007f5600627da0 R08: 0000000000000006 R09: 0000000000000000 R10: 00007f5600627cb0 R11: 0000000000000246 R12: 000000000002265c R13: 00007f5600625fac R14: 000000000002236d R15: 00007ffec68f95e0 NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 37 Comm: khungtaskd Not tainted syzkaller #0 4acfbc369189e5cacd88ca5a92b3a107a9d116ed Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x30 lib/dump_stack.c:94 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120 dump_stack+0x19/0x20 lib/dump_stack.c:129 nmi_cpu_backtrace+0x2ba/0x2d0 lib/nmi_backtrace.c:114 nmi_trigger_cpumask_backtrace+0x142/0x2c0 lib/nmi_backtrace.c:63 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:41 cpumask_backtrace+0x1f/0x30 lib/nmi_backtrace.c:127 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:267 [inline] watchdog+0xe45/0xf90 kernel/hung_task.c:423 kthread+0x2c7/0x360 kernel/kthread.c:389 ret_from_fork+0x67/0xa0 arch/x86/kernel/process.c:153 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted syzkaller #0 4acfbc369189e5cacd88ca5a92b3a107a9d116ed Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:pv_native_safe_halt+0x13/0x20 arch/x86/kernel/paravirt.c:116 Code: cc cc cc cc cc cc cc b8 52 05 e9 f5 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 66 90 0f 00 2d c3 19 3f 00 55 48 89 e5 fb f4 <5d> c3 cc cc cc cc cc cc cc cc cc cc cc b8 00 00 00 00 90 90 90 90 RSP: 0018:ffffc900001a7e00 EFLAGS: 000002c2 RAX: ffff8881f6d00000 RBX: ffff88810366e2c0 RCX: ffffffff85a8453d RDX: 0000000000000001 RSI: 0000000000000004 RDI: 0000000000044d5c RBP: ffffc900001a7e00 R08: ffff8881f6d396fb R09: 1ffff1103eda72df R10: dffffc0000000000 R11: ffffed103eda72e0 R12: 0000000000000000 R13: 1ffff110206cdc58 R14: dffffc0000000000 R15: ffffffff886da0e8 FS: 0000000000000000(0000) GS:ffff8881f6d00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005632e88b72f8 CR3: 000000011af4c000 CR4: 00000000003526b0 Call Trace: arch_safe_halt arch/x86/include/asm/paravirt.h:-1 [inline] default_idle+0x17/0x30 arch/x86/kernel/process.c:754 arch_cpu_idle+0xd/0x20 arch/x86/kernel/process.c:791 default_idle_call+0x3e/0x80 kernel/sched/idle.c:117 cpuidle_idle_call kernel/sched/idle.c:193 [inline] do_idle+0x1df/0x570 kernel/sched/idle.c:346 cpu_startup_entry+0x47/0x60 kernel/sched/idle.c:445 start_secondary+0x12e/0x140 arch/x86/kernel/smpboot.c:314 common_startup_64+0x13b/0x157