Extracting prog: 1m10.289234226s
Minimizing prog: 10m37.668071651s
Simplifying prog options: 0s
Extracting C: 23.139580347s
Simplifying C: 8m54.350334954s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_SET_USER_MEMORY_REGION-sendmsg$IPCTNL_MSG_TIMEOUT_NEW-ioctl$KVM_CAP_PMU_CAPABILITY-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
sendmsg$IPCTNL_MSG_TIMEOUT_NEW(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)={0x28, 0x0, 0x8, 0x101, 0x0, 0x0, {0xe, 0x0, 0xffff}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x888e}]}, 0x28}}, 0x40000c0)
ioctl$KVM_CAP_PMU_CAPABILITY(r1, 0x4068aea3, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000000)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_SET_USER_MEMORY_REGION-sendmsg$IPCTNL_MSG_TIMEOUT_NEW-ioctl$KVM_CAP_PMU_CAPABILITY-ioctl$KVM_CREATE_VCPU-syz_kvm_setup_cpu$x86
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
sendmsg$IPCTNL_MSG_TIMEOUT_NEW(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)={0x28, 0x0, 0x8, 0x101, 0x0, 0x0, {0xe, 0x0, 0xffff}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x888e}]}, 0x28}}, 0x40000c0)
ioctl$KVM_CAP_PMU_CAPABILITY(r1, 0x4068aea3, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
syz_kvm_setup_cpu$x86(0xffffffffffffffff, r2, &(0x7f0000fe7000/0x18000)=nil, &(0x7f0000000000)=[@text64={0x40, 0x0}], 0x1, 0x0, 0x0, 0x0)

program did not crash
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_SET_USER_MEMORY_REGION-sendmsg$IPCTNL_MSG_TIMEOUT_NEW-ioctl$KVM_CAP_PMU_CAPABILITY-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
sendmsg$IPCTNL_MSG_TIMEOUT_NEW(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)={0x28, 0x0, 0x8, 0x101, 0x0, 0x0, {0xe, 0x0, 0xffff}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x888e}]}, 0x28}}, 0x40000c0)
ioctl$KVM_CAP_PMU_CAPABILITY(r1, 0x4068aea3, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_SET_USER_MEMORY_REGION-sendmsg$IPCTNL_MSG_TIMEOUT_NEW-ioctl$KVM_CAP_PMU_CAPABILITY-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
sendmsg$IPCTNL_MSG_TIMEOUT_NEW(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)={0x28, 0x0, 0x8, 0x101, 0x0, 0x0, {0xe, 0x0, 0xffff}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x888e}]}, 0x28}}, 0x40000c0)
ioctl$KVM_CAP_PMU_CAPABILITY(r1, 0x4068aea3, 0x0)
ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0)

program did not crash
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_SET_USER_MEMORY_REGION-sendmsg$IPCTNL_MSG_TIMEOUT_NEW-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
sendmsg$IPCTNL_MSG_TIMEOUT_NEW(0xffffffffffffffff, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000080)={&(0x7f0000000240)={0x28, 0x0, 0x8, 0x101, 0x0, 0x0, {0xe, 0x0, 0xffff}, [@CTA_TIMEOUT_NAME={0x9, 0x1, 'syz0\x00'}, @CTA_TIMEOUT_L3PROTO={0x6, 0x2, 0x1, 0x0, 0x888e}]}, 0x28}}, 0x40000c0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_PIT-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000340)={[{0x122e, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5, 0xff, 0x1f}, {0x0, 0x200, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x9}, {0x0, 0x0, 0x0, 0xbb}]})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-openat$kvm-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0)
ioctl$KVM_RUN(r0, 0xae80, 0x0)

program did not crash
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX_80211-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX_80211(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'wlan0\x00'})
r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0)
ioctl$KVM_RUN(r1, 0xae80, 0x0)

program did not crash
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x2000, &(0x7f0000000000/0x2000)=nil})
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
testing program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
detailed listing:
executing program 0:
r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0)
r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0)
ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0)
r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0)
ioctl$KVM_RUN(r2, 0xae80, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.512280375s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
simplifying C reproducer
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
reproducing took 21m5.447251637s
repro crashed as (corrupted=true):
request_module fs-gadgetfs succeeded, but still no fs?
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
BUG: kernel NULL pointer dereference, address: 0000000000000086
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 361 Comm: syz-executor800 Not tainted 5.4.290-syzkaller-00002-g41adfeb3d639 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881ef3b7308 EFLAGS: 00010086
RAX: ffff8881ef3b7338 RBX: dffffc0000000000 RCX: ffff8881f37ede80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95
R10: ffff8881f37ede80 R11: 0000000000000002 R12: ffffffff84601550
R13: fffffe0000000ec8 R14: ffff8881ee5e0000 R15: fffffe0000000ecb
FS:  00005555793b9380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001da169000 CR4: 00000000003426a0
Call Trace:
Modules linked in:
CR2: 0000000000000086
---[ end trace e1125ab0164870fc ]---
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881ef3b7308 EFLAGS: 00010086
RAX: ffff8881ef3b7338 RBX: dffffc0000000000 RCX: ffff8881f37ede80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95
R10: ffff8881f37ede80 R11: 0000000000000002 R12: ffffffff84601550
R13: fffffe0000000ec8 R14: ffff8881ee5e0000 R15: fffffe0000000ecb
FS:  00005555793b9380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001da169000 CR4: 00000000003426a0

report is corrupted, running repro again
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
report is corrupted, running repro again
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
report is corrupted, running repro again
testing compiled C program (duration=33.512280375s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN
program did not crash
final repro crashed as (corrupted=true):
request_module fs-gadgetfs succeeded, but still no fs?
L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details.
BUG: kernel NULL pointer dereference, address: 0000000000000086
#PF: supervisor instruction fetch in kernel mode
#PF: error_code(0x0010) - not-present page
PGD 0 P4D 0 
Oops: 0010 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 361 Comm: syz-executor800 Not tainted 5.4.290-syzkaller-00002-g41adfeb3d639 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881ef3b7308 EFLAGS: 00010086
RAX: ffff8881ef3b7338 RBX: dffffc0000000000 RCX: ffff8881f37ede80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95
R10: ffff8881f37ede80 R11: 0000000000000002 R12: ffffffff84601550
R13: fffffe0000000ec8 R14: ffff8881ee5e0000 R15: fffffe0000000ecb
FS:  00005555793b9380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001da169000 CR4: 00000000003426a0
Call Trace:
Modules linked in:
CR2: 0000000000000086
---[ end trace e1125ab0164870fc ]---
RIP: 0010:0x86
Code: Bad RIP value.
RSP: 0018:ffff8881ef3b7308 EFLAGS: 00010086
RAX: ffff8881ef3b7338 RBX: dffffc0000000000 RCX: ffff8881f37ede80
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95
R10: ffff8881f37ede80 R11: 0000000000000002 R12: ffffffff84601550
R13: fffffe0000000ec8 R14: ffff8881ee5e0000 R15: fffffe0000000ecb
FS:  00005555793b9380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000000005c CR3: 00000001da169000 CR4: 00000000003426a0