Extracting prog: 1m20.746073561s
Minimizing prog: 31m47.355737632s
Simplifying prog options: 11m6.862163676s
Extracting C: 5m1.102409283s
Simplifying C: 0s


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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-syz_mount_image$fuse-mount$overlay-openat$tun-mprotect-unlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x10006, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, 0x0, 0x4000, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-syz_mount_image$fuse-mount$overlay-openat$tun-mprotect-unlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x10006, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, 0x0, 0x4000, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program crashed: lost connection to test machine
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-syz_mount_image$fuse-mount$overlay-openat$tun-mprotect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x10006, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, 0x0, 0x4000, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-syz_mount_image$fuse-mount$overlay-openat$tun-unlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x10006, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, 0x0, 0x4000, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
unlink(&(0x7f0000000040)='./file1\x00')

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-syz_mount_image$fuse-mount$overlay-mprotect-unlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x10006, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, 0x0, 0x4000, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-syz_mount_image$fuse-openat$tun-mprotect-unlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x10006, 0x0, 0x0, 0x0, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program crashed: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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}}): mkdirat-openat$tun-mprotect-unlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program crashed: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program crashed: lost connection to test machine
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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$tun-mprotect-unlink
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB: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$tun-mprotect-unlink
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000040), 0x1c1341, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
unlink(&(0x7f0000000040)='./file1\x00')

program crashed: lost connection to test machine
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false 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: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$tun-mprotect-unlink
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
reproducing took 49m16.086738385s
repro crashed as (corrupted=false):

final repro crashed as (corrupted=false):