Extracting prog: 1m43.329347454s Minimizing prog: 11m42.561875811s Simplifying prog options: 2m15.191516494s Extracting C: 1m54.303979802s Simplifying C: 0s extracting reproducer from 46 programs testing a last program of every proc single: executing 11 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}}): syz_mount_image$ext4-openat$cgroup_ro-bpf$BPF_PROG_RAW_TRACEPOINT_LOAD-bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-sched_setaffinity-sched_setscheduler-mmap-setns-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-syz_open_dev$tty1-dup-ioctl$KVM_CREATE_VM-syz_emit_ethernet-write$binfmt_script-preadv detailed listing: executing program 0: syz_mount_image$ext4(&(0x7f00000004c0)='ext4\x00', &(0x7f0000000500)='./file0\x00', 0x0, &(0x7f0000000240), 0x25, 0x4b6, &(0x7f0000000540)="$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") r0 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000300)='cgroup.controllers\x00', 0x275a, 0x0) r1 = bpf$BPF_PROG_RAW_TRACEPOINT_LOAD(0x5, &(0x7f0000000300)={0x11, 0x5, &(0x7f00000002c0)=ANY=[@ANYBLOB="18050000000000fe000000004b64ffec850000007d000000040000000700000095"], &(0x7f0000000080)='GPL\x00', 0x0, 0x0, 0x0, 0x0, 0x0, '\x00', 0x0, 0x2, 0xffffffffffffffff, 0x8, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, @void, @value}, 0x80) bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000540)={&(0x7f0000000080)='sched_switch\x00', r1}, 0xc) prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8e}, 0x0) sched_setscheduler(0x0, 0x2, &(0x7f0000000080)=0x8) sched_setaffinity(0x0, 0x8, &(0x7f00000002c0)=0x2) sched_setscheduler(0x0, 0x2, &(0x7f0000000200)=0x7) mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0) setns(r0, 0x0) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r2, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r3, &(0x7f0000000000), 0x651, 0x0) recvmmsg(r2, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r4 = syz_open_dev$tty1(0xc, 0x4, 0x1) dup(r4) ioctl$KVM_CREATE_VM(0xffffffffffffffff, 0xae01, 0x0) syz_emit_ethernet(0x36, &(0x7f0000000100)=ANY=[@ANYBLOB="000002f0d31209000000bc2e79e995"], 0x0) write$binfmt_script(0xffffffffffffffff, &(0x7f0000000100), 0x208e24b) preadv(0xffffffffffffffff, &(0x7f00000015c0)=[{&(0x7f0000000080)=""/124, 0xffffff23}], 0x3e, 0x0, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program crashed: lost connection to test machine single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): writev-write$cgroup_pid detailed listing: executing program 0: writev(0xffffffffffffffff, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) write$cgroup_pid(0xffffffffffffffff, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, 0x0, 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, 0x0, 0x0) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{0x0}], 0x1) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)}], 0x1) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) write$cgroup_pid(r0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid program did not crash simplifying guilty program options testing program (duration=1m21.264788299s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash testing program (duration=1m21.264788299s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$selinux_enforce-writev-write$cgroup_pid detailed listing: executing program 0: r0 = openat$selinux_enforce(0xffffffffffffff9c, &(0x7f0000000000), 0x1, 0x0) writev(r0, &(0x7f0000002800)=[{&(0x7f0000002500)='\f7', 0x2}], 0x1) write$cgroup_pid(r0, &(0x7f00000031c0), 0x12) program did not crash reproducing took 17m35.386735372s repro crashed as (corrupted=false): final repro crashed as (corrupted=false):