Extracting prog: 12m38.772283857s
Minimizing prog: 37m16.632768604s
Simplifying prog options: 0s
Extracting C: 22.167451651s
Simplifying C: 4m2.800106313s


extracting reproducer from 42 programs
testing a last program of every proc
single: executing 12 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$binderfs-syz_open_dev$loop-openat$cgroup_ro-ioctl$LOOP_CONFIGURE-exit-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_MSRS-syz_kvm_setup_cpu$x86-syz_genetlink_get_family_id$nl80211-close_range
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000040)='./binderfs2/binder1\x00', 0x1802, 0x0)
r1 = syz_open_dev$loop(&(0x7f0000000100), 0xd5d1, 0x0)
r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='blkio.bfq.io_service_bytes_recursive\x00', 0x275a, 0x0)
ioctl$LOOP_CONFIGURE(r1, 0x4c0a, &(0x7f00000002c0)={r2, 0x0, {0x2a00, 0x80010000, 0x0, 0x2, 0x7, 0x0, 0x0, 0xb, 0x14, "fee8a2ab78fc979fd1e00d96072000001ea89de2b7fb0000e60080b8785d96000100", "2809e8dbe108598948224ad54afac11d875397bdb22d0000b420a1a93c5240f45f819e01177d3d458dd4992861ac00", "f4bd000000801900", [0x5, 0x9]}})
exit(0x1ff)
r3 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
ioctl$KVM_SET_MSRS(r2, 0x4008ae89, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r3, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x49, 0x0, 0x0)
syz_genetlink_get_family_id$nl80211(0x0, 0xffffffffffffffff)
close_range(r0, 0xffffffffffffffff, 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}}): mount-mkdirat-mkdir-mount$overlay-open-mknodat$loop-chdir-linkat-renameat2
detailed listing:
executing program 0:
mount(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000140)='ramfs\x00', 0x10, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./file1\x00', 0x0)
mkdir(&(0x7f0000000300)='./bus\x00', 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000400)={[{@upperdir={'upperdir', 0x3d, './file1'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@workdir={'workdir', 0x3d, './bus'}}]})
r0 = open(&(0x7f0000000040)='./file0\x00', 0x400, 0x43)
mknodat$loop(r0, &(0x7f00000002c0)='./file1\x00', 0x4, 0x0)
chdir(&(0x7f00000003c0)='./bus\x00')
linkat(0xffffffffffffff9c, &(0x7f00000006c0)='./file1\x00', 0xffffffffffffff9c, &(0x7f0000000100)='./file7\x00', 0x1000)
renameat2(0xffffffffffffff9c, &(0x7f0000000780)='./file7\x00', 0xffffffffffffff9c, &(0x7f00000007c0)='./file1\x00', 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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-socket$netlink-sendmsg$NFT_BATCH-ioctl$KVM_IOEVENTFD-close_range
detailed listing:
executing program 0:
r0 = openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r1 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r1, 0x80284504, 0x0) (async)
r2 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r3 = ioctl$KVM_CREATE_VM(r2, 0xae01, 0x0) (async)
r4 = eventfd(0x8c66)
r5 = socket$netlink(0x10, 0x3, 0x4)
sendmsg$NFT_BATCH(r5, &(0x7f0000000b40)={0x0, 0x0, &(0x7f0000000b00)={&(0x7f0000000040)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x5}}, [], {0x14, 0x11, 0x1, 0x0, 0x0, {0x3}}}, 0x28}, 0x1, 0x0, 0x0, 0x4008040}, 0x20008000)
ioctl$KVM_IOEVENTFD(r3, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r4}) (async)
close_range(r0, 0xffffffffffffffff, 0x0)

program crashed: WARNING in kvm_put_kvm
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-socket$netlink-sendmsg$NFT_BATCH-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) (async)
r3 = eventfd(0x8c66)
r4 = socket$netlink(0x10, 0x3, 0x4)
sendmsg$NFT_BATCH(r4, &(0x7f0000000b40)={0x0, 0x0, &(0x7f0000000b00)={&(0x7f0000000040)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x5}}, [], {0x14, 0x11, 0x1, 0x0, 0x0, {0x3}}}, 0x28}, 0x1, 0x0, 0x0, 0x4008040}, 0x20008000)
ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r3}) (async)

program crashed: WARNING in kvm_put_kvm
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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-socket$netlink-sendmsg$NFT_BATCH
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) (async)
eventfd(0x8c66)
r2 = socket$netlink(0x10, 0x3, 0x4)
sendmsg$NFT_BATCH(r2, &(0x7f0000000b40)={0x0, 0x0, &(0x7f0000000b00)={&(0x7f0000000040)={{0x14, 0x10, 0x1, 0x0, 0x0, {0x5}}, [], {0x14, 0x11, 0x1, 0x0, 0x0, {0x3}}}, 0x28}, 0x1, 0x0, 0x0, 0x4008040}, 0x20008000)

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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-socket$netlink-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) (async)
r3 = eventfd(0x8c66)
socket$netlink(0x10, 0x3, 0x4)
ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r3}) (async)

program crashed: WARNING in kvm_put_kvm
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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) (async)
r3 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r3}) (async)

program crashed: WARNING in kvm_put_kvm
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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
r1 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r2 = ioctl$KVM_CREATE_VM(r1, 0xae01, 0x0) (async)
ioctl$KVM_IOEVENTFD(r2, 0x4040ae79, &(0x7f0000000240)={0x27800000000}) (async)

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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-openat$kvm-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(0xffffffffffffffff, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r1}) (async)

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$binderfs-syz_open_procfs-ioctl$EVIOCGKEYCODE_V2-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = syz_open_procfs(0x0, 0x0)
ioctl$EVIOCGKEYCODE_V2(r0, 0x80284504, 0x0) (async)
r1 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) (async)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2}) (async)

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$binderfs-syz_open_procfs-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
syz_open_procfs(0x0, 0x0)
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) (async)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2}) (async)

program crashed: WARNING in kvm_put_kvm
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$binderfs-openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
openat$binderfs(0xffffffffffffff9c, &(0x7f0000000080)='./binderfs/binder1\x00', 0x1002, 0x0)
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) (async)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2}) (async)

program crashed: WARNING in kvm_put_kvm
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-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) (async)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2}) (async)

program crashed: WARNING in kvm_put_kvm
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-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2})

program crashed: WARNING in kvm_put_kvm
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-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2})

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-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
extracting C reproducer
testing compiled C 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-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
testing compiled C program (duration=6m0s, {Threaded:false 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}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
testing compiled C program (duration=6m0s, {Threaded:false 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:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
testing compiled C program (duration=6m0s, {Threaded:false 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
program crashed: WARNING in kvm_put_kvm
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2})

program crashed: WARNING in kvm_put_kvm
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2})

program crashed: WARNING in kvm_put_kvm
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false 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:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-eventfd-ioctl$KVM_IOEVENTFD
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x200, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
r2 = eventfd(0x8c66)
ioctl$KVM_IOEVENTFD(r1, 0x4040ae79, &(0x7f0000000240)={0x27800000000, 0x0, 0x0, r2})

program crashed: WARNING in kvm_put_kvm
validation run: crashed=true
reproducing took 56m53.109445571s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 389 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 kernel/rcu/srcutree.c:687
Modules linked in:
CPU: 0 UID: 0 PID: 389 Comm: syz.2.25 Not tainted syzkaller #0 73b2ef142dafea13a051d13948dec704a9c677a1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 kernel/rcu/srcutree.c:664
Code: 00 48 8b 5d a0 74 08 48 89 df e8 c2 45 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 18 a0 20 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
RSP: 0018:ffffc9000105fc88 EFLAGS: 00010202
RAX: 1ffffd1ffff82242 RBX: ffffc90000f908e8 RCX: ffffffff816dc9a9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc11210
RBP: ffffc9000105fcf0 R08: ffffe8ffffc11217 R09: 1ffffd1ffff82242
R10: dffffc0000000000 R11: fffff91ffff82243 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc11210
FS:  0000555556fb4500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1893e8c8 CR3: 000000010af56000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 kvm_destroy_vm virt/kvm/kvm_main.c:1362 [inline]
 kvm_put_kvm+0x1100/0x12b0 virt/kvm/kvm_main.c:1391
 kvm_vm_release+0x47/0x70 virt/kvm/kvm_main.c:1414
 __fput+0x1fb/0xa00 fs/file_table.c:429
 ____fput+0x20/0x30 fs/file_table.c:457
 task_work_run+0x1e3/0x250 kernel/task_work.c:240
 resume_user_mode_work+0x36/0x50 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+0x64/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f333fd8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc1893e7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000072dd RCX: 00007f333fd8ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000041893ea9f
R10: 0000001b33120000 R11: 0000000000000246 R12: 00007f333ffc5fac
R13: 00007f333ffc5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 389 at kernel/rcu/srcutree.c:664 cleanup_srcu_struct+0x3e9/0x4c0 kernel/rcu/srcutree.c:687
Modules linked in:
CPU: 0 UID: 0 PID: 389 Comm: syz.2.25 Not tainted syzkaller #0 73b2ef142dafea13a051d13948dec704a9c677a1
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:cleanup_srcu_struct+0x3e9/0x4c0 kernel/rcu/srcutree.c:664
Code: 00 48 8b 5d a0 74 08 48 89 df e8 c2 45 6e 00 48 c7 03 00 00 00 00 48 83 c4 40 5b 41 5c 41 5d 41 5e 41 5f 5d e9 18 a0 20 04 cc <0f> 0b eb e8 0f 0b eb e4 0f 0b eb e0 0f 0b eb 0e 0f 0b 4c 8b 75 d0
RSP: 0018:ffffc9000105fc88 EFLAGS: 00010202
RAX: 1ffffd1ffff82242 RBX: ffffc90000f908e8 RCX: ffffffff816dc9a9
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffe8ffffc11210
RBP: ffffc9000105fcf0 R08: ffffe8ffffc11217 R09: 1ffffd1ffff82242
R10: dffffc0000000000 R11: fffff91ffff82243 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffffe8ffffc11210
FS:  0000555556fb4500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc1893e8c8 CR3: 000000010af56000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 kvm_destroy_vm virt/kvm/kvm_main.c:1362 [inline]
 kvm_put_kvm+0x1100/0x12b0 virt/kvm/kvm_main.c:1391
 kvm_vm_release+0x47/0x70 virt/kvm/kvm_main.c:1414
 __fput+0x1fb/0xa00 fs/file_table.c:429
 ____fput+0x20/0x30 fs/file_table.c:457
 task_work_run+0x1e3/0x250 kernel/task_work.c:240
 resume_user_mode_work+0x36/0x50 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+0x64/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x64/0xf0 arch/x86/entry/common.c:89
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f333fd8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc1893e7a8 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00000000000072dd RCX: 00007f333fd8ebe9
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 0000000000000000 R08: 0000000000000001 R09: 000000041893ea9f
R10: 0000001b33120000 R11: 0000000000000246 R12: 00007f333ffc5fac
R13: 00007f333ffc5fa0 R14: ffffffffffffffff R15: 0000000000000003
 </TASK>
---[ end trace 0000000000000000 ]---