Extracting prog: 3m2.692977812s
Minimizing prog: 27m2.152316245s
Simplifying prog options: 3m27.508742271s
Extracting C: 1m43.515833202s
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:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program crashed: SYZFAIL: posix_spawnp failed
single: successfully extracted reproducer
found reproducer with 7 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mount-mkdirat-mount-mprotect
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mount-mkdirat-mount-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mount-mkdirat-mprotect-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mount-mount-mprotect-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mkdirat-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): setsockopt$inet6_int-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
setsockopt$inet6_int(0xffffffffffffffff, 0x29, 0x4, 0x0, 0x0)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program crashed: SYZFAIL: posix_spawnp failed
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', 0x0, 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', 0x0, &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', 0x0, 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program crashed: SYZFAIL: posix_spawnp failed
validation run: crashed=true
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program crashed: SYZFAIL: posix_spawnp failed
validation run: crashed=true
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program did not crash
validation run: crashed=false
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect-chdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 64)
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff)
mount(&(0x7f00000000c0)=@filename='./dev/sda1\x00', &(0x7f0000000140)='./mnt\x00', &(0x7f0000000100)='ext4\x00', 0x8410, 0x0)
mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1)
chdir(&(0x7f0000000140)='./file0\x00')

program crashed: SYZFAIL: posix_spawnp failed
validation run: crashed=true
reproducing took 44m53.719763987s
repro crashed as (corrupted=false):
2026/09/09 22:11:04 executed programs: 823
2026/09/09 22:11:09 executed programs: 1298
SYZFAIL: posix_spawnp failed
 (errno 2: No such file or directory)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

final repro crashed as (corrupted=false):
2026/09/09 22:11:04 executed programs: 823
2026/09/09 22:11:09 executed programs: 1298
SYZFAIL: posix_spawnp failed
 (errno 2: No such file or directory)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF