Extracting prog: 4m30.007026771s Minimizing prog: 54m55.37505299s Simplifying prog options: 6m19.369292334s Extracting C: 3m59.824302398s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: kernel panic: System is deadlocked on memory program crashed: kernel panic: System is deadlocked on memory single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_GUEST_MEMFD(0xffffffffffffffff, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(0xffffffffffffffff, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r0, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r0, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: INFO: task hung in kvm_gmem_release suppressed program crash: INFO: task hung in kvm_gmem_release testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, 0x0) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(0x0, 0x0, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=3m52.419549342s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES program did not crash simplifying guilty program options testing program (duration=3m52.419549342s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program did not crash testing program (duration=3m52.419549342s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=3m52.419549342s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: SYZFAIL: failed to recv rpc ignore low priority crash: SYZFAIL: failed to recv rpc validation run: crashed=false testing program (duration=3m52.419549342s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: SYZFAIL: failed to send rpc ignore low priority crash: SYZFAIL: failed to send rpc validation run: crashed=false testing program (duration=3m52.419549342s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: kernel panic: System is deadlocked on memory validation run: crashed=true testing program (duration=3m52.419549342s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: kernel panic: System is deadlocked on memory validation run: crashed=true testing program (duration=3m52.419549342s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_generic-socket-openat-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_GUEST_MEMFD-ppoll-ioctl$KVM_SET_MEMORY_ATTRIBUTES detailed listing: executing program 0: socket$nl_generic(0x10, 0x3, 0x10) socket(0x10, 0x803, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000040)='./cgroup.cpu/memory.limit_in_bytes\x00', 0x2, 0x0) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x1) ioctl$KVM_CREATE_GUEST_MEMFD(r1, 0xc040aed4, &(0x7f0000000080)={0x1000000}) ppoll(&(0x7f00000000c0)=[{}, {}], 0x20000000000000dc, 0x0, 0x0, 0x0) (async) ioctl$KVM_SET_MEMORY_ATTRIBUTES(r1, 0x4020aed2, &(0x7f0000000200)={0x10000, 0x1000000, 0x8}) program crashed: kernel panic: System is deadlocked on memory validation run: crashed=true reproducing took 1h19m39.525955356s repro crashed as (corrupted=false): task_struct 5578KB 5878KB cred 176KB 360KB anon_vma_chain 175KB 350KB anon_vma 231KB 527KB pid 190KB 460KB Acpi-Operand 207KB 344KB Acpi-ParseExt 21KB 35KB Acpi-Parse 12KB 39KB Acpi-State 9KB 27KB Acpi-Namespace 35KB 52KB numa_policy 3KB 4KB perf_event 15KB 31KB trace_event_file 577KB 580KB ftrace_event_field 1129KB 1130KB pool_workqueue 3113KB 3152KB task_group 48KB 48KB maple_node 517KB 1952KB mm_struct 226KB 573KB vmap_area 433KB 550KB debug_objects_cache 4079KB 5201KB page->ptl 76KB 169KB kmalloc-cg-8k 4304KB 4448KB kmalloc-cg-4k 41136KB 41504KB kmalloc-cg-2k 25100KB 25312KB kmalloc-cg-1k 7288KB 7456KB kmalloc-cg-512 3559KB 3680KB kmalloc-cg-256 890KB 904KB kmalloc-cg-128 859KB 868KB kmalloc-cg-64 157KB 280KB kmalloc-cg-32 375KB 384KB kmalloc-cg-16 11KB 16KB kmalloc-cg-8 51KB 60KB kmalloc-cg-192 120KB 132KB kmalloc-cg-96 639KB 652KB kmalloc-8k 14832KB 15136KB kmalloc-4k 58816KB 66784KB kmalloc-2k 16064KB 18336KB kmalloc-1k 20790KB 24448KB kmalloc-512 21295KB 22256KB kmalloc-256 34049KB 34200KB kmalloc-128 2889KB 3060KB kmalloc-64 4101KB 4200KB kmalloc-32 3778KB 3900KB kmalloc-16 562KB 576KB kmalloc-8 659KB 672KB kmalloc-192 2700KB 2760KB kmalloc-96 2155KB 2336KB kmem_cache_node 219KB 220KB kmem_cache 182KB 226KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 2 UID: 0 PID: 6028 Comm: kworker/2:5 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: events drm_fb_helper_damage_work Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x553/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4113 [inline] __alloc_pages_slowpath mm/page_alloc.c:5030 [inline] __alloc_frozen_pages_noprof+0x2852/0x3300 mm/page_alloc.c:5449 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab mm/slub.c:3470 [inline] new_slab+0x1f6/0x6e0 mm/slub.c:3513 refill_objects+0xe3/0x410 mm/slub.c:7417 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __kmalloc_cache_noprof+0x4f4/0x6d0 mm/slub.c:5559 _kmalloc_noprof include/linux/slab.h:991 [inline] drm_atomic_helper_crtc_duplicate_state+0x72/0xd0 drivers/gpu/drm/drm_atomic_state_helper.c:204 drm_atomic_get_crtc_state+0x1de/0x690 drivers/gpu/drm/drm_atomic.c:462 drm_atomic_get_plane_state+0x4a3/0x7d0 drivers/gpu/drm/drm_atomic.c:665 drm_atomic_helper_dirtyfb+0x4a2/0x790 drivers/gpu/drm/drm_damage_helper.c:173 drm_fbdev_shmem_helper_fb_dirty+0x1cc/0x350 drivers/gpu/drm/drm_fbdev_shmem.c:117 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:339 [inline] drm_fb_helper_damage_work+0x4c8/0xab0 drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Kernel Offset: disabled Rebooting in 86400 seconds.. final repro crashed as (corrupted=false): task_struct 5578KB 5878KB cred 176KB 360KB anon_vma_chain 175KB 350KB anon_vma 231KB 527KB pid 190KB 460KB Acpi-Operand 207KB 344KB Acpi-ParseExt 21KB 35KB Acpi-Parse 12KB 39KB Acpi-State 9KB 27KB Acpi-Namespace 35KB 52KB numa_policy 3KB 4KB perf_event 15KB 31KB trace_event_file 577KB 580KB ftrace_event_field 1129KB 1130KB pool_workqueue 3113KB 3152KB task_group 48KB 48KB maple_node 517KB 1952KB mm_struct 226KB 573KB vmap_area 433KB 550KB debug_objects_cache 4079KB 5201KB page->ptl 76KB 169KB kmalloc-cg-8k 4304KB 4448KB kmalloc-cg-4k 41136KB 41504KB kmalloc-cg-2k 25100KB 25312KB kmalloc-cg-1k 7288KB 7456KB kmalloc-cg-512 3559KB 3680KB kmalloc-cg-256 890KB 904KB kmalloc-cg-128 859KB 868KB kmalloc-cg-64 157KB 280KB kmalloc-cg-32 375KB 384KB kmalloc-cg-16 11KB 16KB kmalloc-cg-8 51KB 60KB kmalloc-cg-192 120KB 132KB kmalloc-cg-96 639KB 652KB kmalloc-8k 14832KB 15136KB kmalloc-4k 58816KB 66784KB kmalloc-2k 16064KB 18336KB kmalloc-1k 20790KB 24448KB kmalloc-512 21295KB 22256KB kmalloc-256 34049KB 34200KB kmalloc-128 2889KB 3060KB kmalloc-64 4101KB 4200KB kmalloc-32 3778KB 3900KB kmalloc-16 562KB 576KB kmalloc-8 659KB 672KB kmalloc-192 2700KB 2760KB kmalloc-96 2155KB 2336KB kmem_cache_node 219KB 220KB kmem_cache 182KB 226KB Out of memory and no killable processes... Kernel panic - not syncing: System is deadlocked on memory CPU: 2 UID: 0 PID: 6028 Comm: kworker/2:5 Not tainted syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Workqueue: events drm_fb_helper_damage_work Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 vpanic+0x553/0x970 kernel/panic.c:651 panic+0xd1/0xe0 kernel/panic.c:788 out_of_memory.cold+0xa2/0x170 mm/oom_kill.c:1166 __alloc_pages_may_oom mm/page_alloc.c:4113 [inline] __alloc_pages_slowpath mm/page_alloc.c:5030 [inline] __alloc_frozen_pages_noprof+0x2852/0x3300 mm/page_alloc.c:5449 alloc_slab_page mm/slub.c:3347 [inline] allocate_slab mm/slub.c:3470 [inline] new_slab+0x1f6/0x6e0 mm/slub.c:3513 refill_objects+0xe3/0x410 mm/slub.c:7417 refill_sheaf mm/slub.c:2885 [inline] __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4774 alloc_from_pcs mm/slub.c:4850 [inline] slab_alloc_node mm/slub.c:4984 [inline] __kmalloc_cache_noprof+0x4f4/0x6d0 mm/slub.c:5559 _kmalloc_noprof include/linux/slab.h:991 [inline] drm_atomic_helper_crtc_duplicate_state+0x72/0xd0 drivers/gpu/drm/drm_atomic_state_helper.c:204 drm_atomic_get_crtc_state+0x1de/0x690 drivers/gpu/drm/drm_atomic.c:462 drm_atomic_get_plane_state+0x4a3/0x7d0 drivers/gpu/drm/drm_atomic.c:665 drm_atomic_helper_dirtyfb+0x4a2/0x790 drivers/gpu/drm/drm_damage_helper.c:173 drm_fbdev_shmem_helper_fb_dirty+0x1cc/0x350 drivers/gpu/drm/drm_fbdev_shmem.c:117 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:339 [inline] drm_fb_helper_damage_work+0x4c8/0xab0 drivers/gpu/drm/drm_fb_helper.c:365 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3396 process_scheduled_works kernel/workqueue.c:3479 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3560 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x730/0xd60 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 Kernel Offset: disabled Rebooting in 86400 seconds..