Extracting prog: 1m18.928813523s Minimizing prog: 9m14.543349462s Simplifying prog options: 0s Extracting C: 43.887012463s Simplifying C: 5m4.46245584s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-setxattr$security_evm-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-ioctl$KVM_RUN-mmap detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 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}) setxattr$security_evm(0x0, 0x0, &(0x7f0000000040)=@sha1={0x1, "659b093d0b8f18ece2adead936d7499fb1b89a67"}, 0x15, 0x2) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) mmap(&(0x7f0000000000/0xfbe000)=nil, 0xfbe000, 0x3000003, 0x4031, 0xffffffffffffffff, 0x0) program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-setxattr$security_evm-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 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}) setxattr$security_evm(0x0, 0x0, &(0x7f0000000040)=@sha1={0x1, "659b093d0b8f18ece2adead936d7499fb1b89a67"}, 0x15, 0x2) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-setxattr$security_evm-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) setxattr$security_evm(0x0, 0x0, &(0x7f0000000040)=@sha1={0x1, "659b093d0b8f18ece2adead936d7499fb1b89a67"}, 0x15, 0x2) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-setxattr$security_evm-ioctl$KVM_CREATE_VCPU detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 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}) setxattr$security_evm(0x0, 0x0, &(0x7f0000000040)=@sha1={0x1, "659b093d0b8f18ece2adead936d7499fb1b89a67"}, 0x15, 0x2) ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) program did not crash testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-setxattr$security_evm-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 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}) setxattr$security_evm(0x0, 0x0, &(0x7f0000000040)=@sha1={0x1, "659b093d0b8f18ece2adead936d7499fb1b89a67"}, 0x15, 0x2) ioctl$KVM_RUN(0xffffffffffffffff, 0xae80, 0x0) program did not crash testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 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}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(0xffffffffffffffff, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r0 = ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x800000000003) ioctl$KVM_RUN(r0, 0xae80, 0x0) program did not crash testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: r0 = ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r0, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r1 = ioctl$KVM_CREATE_VCPU(r0, 0xae41, 0x800000000003) ioctl$KVM_RUN(r1, 0xae80, 0x0) program did not crash testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, &(0x7f0000000400)={0x0, 0x0, 0x0, 0x20002000, &(0x7f0000000000/0x2000)=nil}) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash testing program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN detailed listing: executing program 0: r0 = openat$kvm(0xffffffffffffff9c, &(0x7f0000000180), 0x0, 0x0) r1 = ioctl$KVM_CREATE_VM(r0, 0xae01, 0x0) ioctl$KVM_SET_USER_MEMORY_REGION(r1, 0x4020ae46, 0x0) r2 = ioctl$KVM_CREATE_VCPU(r1, 0xae41, 0x800000000003) ioctl$KVM_RUN(r2, 0xae80, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=31.212033178s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted simplifying C reproducer testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program did not crash reproducing took 16m21.821647647s repro crashed as (corrupted=true): BUG: kernel NULL pointer dereference, address: 0000000000000086 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 0 PID: 353 Comm: syz-executor281 Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881f33c7308 EFLAGS: 00010086 RAX: ffff8881f33c7338 RBX: dffffc0000000000 RCX: ffff8881f37c8fc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95 R10: ffff8881f37c8fc0 R11: 0000000000000002 R12: ffffffff84601550 R13: fffffe0000000ec8 R14: ffff8881eec70000 R15: fffffe0000000ecb FS: 0000555560312380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001ef5fa000 CR4: 00000000003426b0 Call Trace: Modules linked in: CR2: 0000000000000086 ---[ end trace 56d2a14bab5b9520 ]--- RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881f33c7308 EFLAGS: 00010086 RAX: ffff8881f33c7338 RBX: dffffc0000000000 RCX: ffff8881f37c8fc0 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95 R10: ffff8881f37c8fc0 R11: 0000000000000002 R12: ffffffff84601550 R13: fffffe0000000ec8 R14: ffff8881eec70000 R15: fffffe0000000ecb FS: 0000555560312380(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001ef5fa000 CR4: 00000000003426b0 report is corrupted, running repro again testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted report is corrupted, running repro again testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted report is corrupted, running repro again testing compiled C program (duration=31.212033178s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$kvm-ioctl$KVM_CREATE_VM-ioctl$KVM_SET_USER_MEMORY_REGION-ioctl$KVM_CREATE_VCPU-ioctl$KVM_RUN program crashed: BUG: unable to handle kernel NULL pointer dereference in corrupted final repro crashed as (corrupted=true): BUG: kernel NULL pointer dereference, address: 0000000000000086 #PF: supervisor instruction fetch in kernel mode #PF: error_code(0x0010) - not-present page PGD 0 P4D 0 Oops: 0010 [#1] PREEMPT SMP KASAN CPU: 1 PID: 353 Comm: syz-executor306 Not tainted 5.4.290-syzkaller-00017-g6b07fcd94a6a #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881ef05f308 EFLAGS: 00010086 RAX: ffff8881ef05f338 RBX: dffffc0000000000 RCX: ffff8881f0dfbf00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95 R10: ffff8881f0dfbf00 R11: 0000000000000002 R12: ffffffff84601550 R13: fffffe0000000ec8 R14: ffff8881ef090000 R15: fffffe0000000ecb FS: 00005555597a6380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001de479000 CR4: 00000000003426a0 Call Trace: Modules linked in: CR2: 0000000000000086 ---[ end trace 13fc52ad0b4bb974 ]--- RIP: 0010:0x86 Code: Bad RIP value. RSP: 0018:ffff8881ef05f308 EFLAGS: 00010086 RAX: ffff8881ef05f338 RBX: dffffc0000000000 RCX: ffff8881f0dfbf00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: 0000000000000ec0 R08: ffffffff8231cd01 R09: ffffffff811c8f95 R10: ffff8881f0dfbf00 R11: 0000000000000002 R12: ffffffff84601550 R13: fffffe0000000ec8 R14: ffff8881ef090000 R15: fffffe0000000ecb FS: 00005555597a6380(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000000000005c CR3: 00000001de479000 CR4: 00000000003426a0