Extracting prog: 13m53.111132202s Minimizing prog: 3h2m23.242384633s Simplifying prog options: 18m12.909754059s Extracting C: 9m9.879173903s Simplifying C: 0s 30 programs, 3 VMs, timeouts [6m0s] extracting reproducer from 30 programs single: executing 5 programs separately with timeout 6m0s testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io-syz_usb_control_io detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x24, &(0x7f0000000300)=ANY=[@ANYBLOB="1201000003005740ed0b0011c3ec0000000109021200"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f00000010c0)={0x84, &(0x7f00000000c0)=ANY=[@ANYBLOB="00000100000005"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io(r0, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000900)={0x84, &(0x7f0000000280)={0x0, 0x0, 0x2, "cef5"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_io_uring_setup-syz_memcpy_off$IO_URING_METADATA_GENERIC-syz_open_procfs-pread64 detailed listing: executing program 0: syz_io_uring_setup(0xf3d, &(0x7f00000001c0), &(0x7f0000000080)=0x0, &(0x7f0000000540)) syz_memcpy_off$IO_URING_METADATA_GENERIC(r0, 0x0, 0x0, 0x0, 0x4) r1 = syz_open_procfs(0x0, &(0x7f0000000400)='fdinfo/3\x00') pread64(r1, &(0x7f0000000300)=""/246, 0xf6, 0x0) program did not crash testing program (duration=6m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: KASAN: slab-use-after-free Read in __hci_req_sync single: successfully extracted reproducer found reproducer with 12 syscalls minimizing guilty program testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86 detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(0xffffffffffffffff, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(0xffffffffffffffff, 0x4040ae77, &(0x7f0000000280)) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r0, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r0, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r0, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r0, 0x4040ae77, &(0x7f0000000280)) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r1, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r1, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true 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_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, 0x0, 0x0) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000200), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, 0x0, 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, 0x0, 0x0, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, 0x0}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN program did not crash simplifying guilty program options testing program (duration=9m0s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=9m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): write$cgroup_int-openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_IRQCHIP-openat$iommufd-ioctl$KVM_CREATE_PIT2-ioctl$KVM_CREATE_VCPU-ioctl$KVM_SET_PIT-ioctl$KVM_RUN-syz_kvm_setup_cpu$x86-ioctl$KVM_RUN detailed listing: executing program 0: write$cgroup_int(0xffffffffffffffff, &(0x7f00000000c0), 0x12) r0 = openat$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, 0x20002000, &(0x7f0000000000/0x2000)=nil}) ioctl$KVM_CREATE_IRQCHIP(r1, 0xae60) openat$iommufd(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0) ioctl$KVM_CREATE_PIT2(r1, 0x4040ae77, &(0x7f0000000280)) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x0) ioctl$KVM_SET_PIT(0xffffffffffffffff, 0x8048ae66, &(0x7f0000000040)={[{}, {0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7}, {0x3fe}], 0x8000000}) ioctl$KVM_RUN(r2, 0xae80, 0x0) syz_kvm_setup_cpu$x86(0xffffffffffffffff, 0xffffffffffffffff, &(0x7f0000fe8000/0x18000)=nil, &(0x7f0000000140)=[@text32={0x20, &(0x7f0000000180)="66ba4300b006ee0f01c40f009b27000000b9800000c00f3235008000000f30b80e0000000f23d80f21f835800000a00f23f8c9b9490300000f60b932c00a000000328fe858b660002fb90d090000b800680000ba000000000f30", 0x5a}], 0x1, 0x0, 0x0, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash reproducing took 3h43m39.142476467s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: slab-use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] BUG: KASAN: slab-use-after-free in refcount_read include/linux/refcount.h:136 [inline] BUG: KASAN: slab-use-after-free in skb_unref include/linux/skbuff.h:1228 [inline] BUG: KASAN: slab-use-after-free in __kfree_skb_reason net/core/skbuff.c:1195 [inline] BUG: KASAN: slab-use-after-free in kfree_skb_reason+0x41/0x3b0 net/core/skbuff.c:1222 Read of size 4 at addr ffff888026ade224 by task syz-executor.0/5238 CPU: 0 PID: 5238 Comm: syz-executor.0 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] refcount_read include/linux/refcount.h:136 [inline] skb_unref include/linux/skbuff.h:1228 [inline] __kfree_skb_reason net/core/skbuff.c:1195 [inline] kfree_skb_reason+0x41/0x3b0 net/core/skbuff.c:1222 kfree_skb include/linux/skbuff.h:1263 [inline] __hci_req_sync+0x62f/0x950 net/bluetooth/hci_request.c:184 hci_req_sync+0xa9/0xd0 net/bluetooth/hci_request.c:206 hci_dev_cmd+0x4c5/0xa50 net/bluetooth/hci_core.c:787 sock_do_ioctl+0x158/0x460 net/socket.c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f77c147cc4b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007fff046263f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77c147cc4b RDX: 00007fff04626468 RSI: 00000000400448dd RDI: 0000000000000003 RBP: 00005555722ed430 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 00000000fffffff1 Allocated by task 53: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3941 [inline] slab_alloc_node mm/slub.c:4001 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4008 skb_clone+0x20c/0x390 net/core/skbuff.c:2052 hci_send_cmd_sync net/bluetooth/hci_core.c:4120 [inline] hci_cmd_work+0x29e/0x670 net/bluetooth/hci_core.c:4140 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 53: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4437 [inline] kmem_cache_free+0x145/0x350 mm/slub.c:4512 kfree_skb include/linux/skbuff.h:1263 [inline] hci_req_sync_complete+0xe7/0x290 net/bluetooth/hci_request.c:109 hci_event_packet+0xc71/0x1540 net/bluetooth/hci_event.c:7486 hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4071 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff888026ade140 which belongs to the cache skbuff_head_cache of size 240 The buggy address is located 228 bytes inside of freed 240-byte region [ffff888026ade140, ffff888026ade230) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26ade flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xfdffffff(slab) raw: 00fff00000000000 ffff888018ecd780 dead000000000122 0000000000000000 raw: 0000000000000000 00000000000c000c 00000001fdffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 53, tgid 53 (kworker/u9:0), ts 772010517825, free_ts 771876942425 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1470 prep_new_page mm/page_alloc.c:1478 [inline] get_page_from_freelist+0x2cbd/0x2d70 mm/page_alloc.c:3457 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4715 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x5f/0x120 mm/slub.c:2265 allocate_slab+0x5a/0x2f0 mm/slub.c:2428 new_slab mm/slub.c:2481 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3667 __slab_alloc+0x58/0xa0 mm/slub.c:3757 __slab_alloc_node mm/slub.c:3810 [inline] slab_alloc_node mm/slub.c:3989 [inline] kmem_cache_alloc_noprof+0x1c1/0x2a0 mm/slub.c:4008 skb_clone+0x20c/0x390 net/core/skbuff.c:2052 hci_send_cmd_sync net/bluetooth/hci_core.c:4104 [inline] hci_cmd_work+0xdc/0x670 net/bluetooth/hci_core.c:4140 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 page last free pid 5221 tgid 5221 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1089 [inline] free_unref_folios+0x103a/0x1b00 mm/page_alloc.c:2669 folios_put_refs+0x76e/0x860 mm/swap.c:1020 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:333 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x44f/0xc80 mm/mmap.c:3395 __mmput+0x115/0x3c0 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:565 do_exit+0x9aa/0x28e0 kernel/exit.c:861 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 get_signal+0x16a1/0x1740 kernel/signal.c:2909 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [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+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888026ade100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ffff888026ade180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888026ade200: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc ^ ffff888026ade280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888026ade300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: slab-use-after-free in instrument_atomic_read include/linux/instrumented.h:68 [inline] BUG: KASAN: slab-use-after-free in atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] BUG: KASAN: slab-use-after-free in refcount_read include/linux/refcount.h:136 [inline] BUG: KASAN: slab-use-after-free in skb_unref include/linux/skbuff.h:1228 [inline] BUG: KASAN: slab-use-after-free in __kfree_skb_reason net/core/skbuff.c:1195 [inline] BUG: KASAN: slab-use-after-free in kfree_skb_reason+0x41/0x3b0 net/core/skbuff.c:1222 Read of size 4 at addr ffff888026ade224 by task syz-executor.0/5238 CPU: 0 PID: 5238 Comm: syz-executor.0 Not tainted 6.10.0-rc1-next-20240531-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 kasan_check_range+0x282/0x290 mm/kasan/generic.c:189 instrument_atomic_read include/linux/instrumented.h:68 [inline] atomic_read include/linux/atomic/atomic-instrumented.h:32 [inline] refcount_read include/linux/refcount.h:136 [inline] skb_unref include/linux/skbuff.h:1228 [inline] __kfree_skb_reason net/core/skbuff.c:1195 [inline] kfree_skb_reason+0x41/0x3b0 net/core/skbuff.c:1222 kfree_skb include/linux/skbuff.h:1263 [inline] __hci_req_sync+0x62f/0x950 net/bluetooth/hci_request.c:184 hci_req_sync+0xa9/0xd0 net/bluetooth/hci_request.c:206 hci_dev_cmd+0x4c5/0xa50 net/bluetooth/hci_core.c:787 sock_do_ioctl+0x158/0x460 net/socket.c:1222 sock_ioctl+0x629/0x8e0 net/socket.c:1341 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:907 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:893 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f77c147cc4b Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1c 48 8b 44 24 18 64 48 2b 04 25 28 00 00 RSP: 002b:00007fff046263f0 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f77c147cc4b RDX: 00007fff04626468 RSI: 00000000400448dd RDI: 0000000000000003 RBP: 00005555722ed430 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000001 R15: 00000000fffffff1 Allocated by task 53: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3941 [inline] slab_alloc_node mm/slub.c:4001 [inline] kmem_cache_alloc_noprof+0x135/0x2a0 mm/slub.c:4008 skb_clone+0x20c/0x390 net/core/skbuff.c:2052 hci_send_cmd_sync net/bluetooth/hci_core.c:4120 [inline] hci_cmd_work+0x29e/0x670 net/bluetooth/hci_core.c:4140 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 Freed by task 53: kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579 poison_slab_object+0xe0/0x150 mm/kasan/common.c:240 __kasan_slab_free+0x37/0x60 mm/kasan/common.c:256 kasan_slab_free include/linux/kasan.h:184 [inline] slab_free_hook mm/slub.c:2196 [inline] slab_free mm/slub.c:4437 [inline] kmem_cache_free+0x145/0x350 mm/slub.c:4512 kfree_skb include/linux/skbuff.h:1263 [inline] hci_req_sync_complete+0xe7/0x290 net/bluetooth/hci_request.c:109 hci_event_packet+0xc71/0x1540 net/bluetooth/hci_event.c:7486 hci_rx_work+0x3e8/0xca0 net/bluetooth/hci_core.c:4071 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 The buggy address belongs to the object at ffff888026ade140 which belongs to the cache skbuff_head_cache of size 240 The buggy address is located 228 bytes inside of freed 240-byte region [ffff888026ade140, ffff888026ade230) The buggy address belongs to the physical page: page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x26ade flags: 0xfff00000000000(node=0|zone=1|lastcpupid=0x7ff) page_type: 0xfdffffff(slab) raw: 00fff00000000000 ffff888018ecd780 dead000000000122 0000000000000000 raw: 0000000000000000 00000000000c000c 00000001fdffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x152cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP), pid 53, tgid 53 (kworker/u9:0), ts 772010517825, free_ts 771876942425 set_page_owner include/linux/page_owner.h:32 [inline] post_alloc_hook+0x1f3/0x230 mm/page_alloc.c:1470 prep_new_page mm/page_alloc.c:1478 [inline] get_page_from_freelist+0x2cbd/0x2d70 mm/page_alloc.c:3457 __alloc_pages_noprof+0x256/0x6c0 mm/page_alloc.c:4715 __alloc_pages_node_noprof include/linux/gfp.h:269 [inline] alloc_pages_node_noprof include/linux/gfp.h:296 [inline] alloc_slab_page+0x5f/0x120 mm/slub.c:2265 allocate_slab+0x5a/0x2f0 mm/slub.c:2428 new_slab mm/slub.c:2481 [inline] ___slab_alloc+0xcd1/0x14b0 mm/slub.c:3667 __slab_alloc+0x58/0xa0 mm/slub.c:3757 __slab_alloc_node mm/slub.c:3810 [inline] slab_alloc_node mm/slub.c:3989 [inline] kmem_cache_alloc_noprof+0x1c1/0x2a0 mm/slub.c:4008 skb_clone+0x20c/0x390 net/core/skbuff.c:2052 hci_send_cmd_sync net/bluetooth/hci_core.c:4104 [inline] hci_cmd_work+0xdc/0x670 net/bluetooth/hci_core.c:4140 process_one_work kernel/workqueue.c:3248 [inline] process_scheduled_works+0xa2c/0x1830 kernel/workqueue.c:3329 worker_thread+0x86d/0xd50 kernel/workqueue.c:3409 kthread+0x2f0/0x390 kernel/kthread.c:389 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244 page last free pid 5221 tgid 5221 stack trace: reset_page_owner include/linux/page_owner.h:25 [inline] free_pages_prepare mm/page_alloc.c:1089 [inline] free_unref_folios+0x103a/0x1b00 mm/page_alloc.c:2669 folios_put_refs+0x76e/0x860 mm/swap.c:1020 free_pages_and_swap_cache+0x5c8/0x690 mm/swap_state.c:333 __tlb_batch_free_encoded_pages mm/mmu_gather.c:136 [inline] tlb_batch_pages_flush mm/mmu_gather.c:149 [inline] tlb_flush_mmu_free mm/mmu_gather.c:366 [inline] tlb_flush_mmu+0x3a3/0x680 mm/mmu_gather.c:373 tlb_finish_mmu+0xd4/0x200 mm/mmu_gather.c:465 exit_mmap+0x44f/0xc80 mm/mmap.c:3395 __mmput+0x115/0x3c0 kernel/fork.c:1347 exit_mm+0x220/0x310 kernel/exit.c:565 do_exit+0x9aa/0x28e0 kernel/exit.c:861 do_group_exit+0x207/0x2c0 kernel/exit.c:1023 get_signal+0x16a1/0x1740 kernel/signal.c:2909 arch_do_signal_or_restart+0x96/0x860 arch/x86/kernel/signal.c:310 exit_to_user_mode_loop kernel/entry/common.c:111 [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+0xc9/0x370 kernel/entry/common.c:218 do_syscall_64+0x100/0x230 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f Memory state around the buggy address: ffff888026ade100: fc fc fc fc fc fc fc fc fa fb fb fb fb fb fb fb ffff888026ade180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb >ffff888026ade200: fb fb fb fb fb fb fc fc fc fc fc fc fc fc fc fc ^ ffff888026ade280: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff888026ade300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fc fc ==================================================================