Extracting prog: 4m27.786444554s Minimizing prog: 42m16.22692914s Simplifying prog options: 5m37.939808728s Extracting C: 2m49.689346325s 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: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 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: 32) 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: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 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: 32) 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 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: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: 32) 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: open(/proc/self/ns/net) failed single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=2m46.048497396s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-mprotect detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 32) 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=2m46.048497396s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-chdir detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 32) 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=2m46.048497396s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mprotect-chdir detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000001500)='./dev\x00', 0x1ff) mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 32) mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./mnt\x00', 0x1ff) mprotect(&(0x7f0000000000/0xf000)=nil, 0xf000, 0x1) chdir(&(0x7f0000000140)='./file0\x00') program did not crash testing program (duration=2m46.048497396s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-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: 32) 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=2m46.048497396s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mount-mprotect-chdir detailed listing: executing program 0: 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=2m46.048497396s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-mkdirat-mount-mprotect-chdir detailed listing: executing program 0: mount(0x0, &(0x7f0000001500)='./dev\x00', &(0x7f0000001600)='devtmpfs\x00', 0x0, 0x0) (rerun: 32) 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=2m46.048497396s, {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 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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: open(/proc/self/ns/net) failed validation run: crashed=true testing program (duration=2m46.048497396s, {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 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: 32) 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=2m46.048497396s, {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 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: 32) 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: open(/proc/self/ns/net) failed validation run: crashed=true testing program (duration=2m46.048497396s, {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 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: 32) 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: open(/proc/self/ns/net) failed validation run: crashed=true reproducing took 1h7m36.761418195s repro crashed as (corrupted=false): 2026/09/20 13:27:15 executed programs: 5951 2026/09/20 13:27:21 executed programs: 5978 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: repeatedly failed to execute the program proc=1 req=5885 state=3 status=67 (errno 32: Broken pipe) connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:46595->127.0.0.1:33180: read: connection reset by peer final repro crashed as (corrupted=false): 2026/09/20 13:27:15 executed programs: 5951 2026/09/20 13:27:21 executed programs: 5978 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: open(/proc/self/ns/net) failed (errno 2: No such file or directory) loop exited with status 67 SYZFAIL: repeatedly failed to execute the program proc=1 req=5885 state=3 status=67 (errno 32: Broken pipe) connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:46595->127.0.0.1:33180: read: connection reset by peer