Extracting prog: 4m26.261429082s
Minimizing prog: 46m3.88527978s
Simplifying prog options: 12m4.693532557s
Extracting C: 5m8.836888073s
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$PROG_LOAD-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$PROG_LOAD-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$PROG_LOAD-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$PROG_LOAD
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$PROG_LOAD(0x5, 0x0, 0x0)

program did not crash
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): unlink-openat$tun-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): unlink-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, &(0x7f0000000240)={0x0, 0xffffffffffffffff, 0x0, 0x7, &(0x7f0000000000)='cgroup\x00'}, 0x30)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
extracting C reproducer
testing compiled C 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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
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: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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
testing program (duration=6m0s, {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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
validation run: crashed=true
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
validation run: crashed=true
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
validation run: crashed=false
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program did not crash
validation run: crashed=false
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}}): unlink-openat$tun-bpf$BPF_TASK_FD_QUERY-openat$cgroup_root-bpf$BPF_PROG_DETACH
detailed listing:
executing program 0:
unlink(&(0x7f0000000140)='./cgroup\x00')
openat$tun(0xffffffffffffff9c, &(0x7f0000000140), 0x0, 0x0)
bpf$BPF_TASK_FD_QUERY(0x14, 0x0, 0x0)
openat$cgroup_root(0xffffffffffffff9c, 0x0, 0x200002, 0x0)
bpf$BPF_PROG_DETACH(0x8, 0x0, 0x10)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
validation run: crashed=true
reproducing took 1h25m39.827754609s
repro crashed as (corrupted=false):
2026/01/08 19:15:37 executed programs: 21590
2026/01/08 19:15:43 executed programs: 21705
2026/01/08 19:15:48 executed programs: 21780
2026/01/08 19:15:54 executed programs: 21825
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=6 req=21390 state=3 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:42631->127.0.0.1:53404: read: connection reset by peer

final repro crashed as (corrupted=false):
2026/01/08 19:15:37 executed programs: 21590
2026/01/08 19:15:43 executed programs: 21705
2026/01/08 19:15:48 executed programs: 21780
2026/01/08 19:15:54 executed programs: 21825
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: tun: can't open /dev/net/tun
 (errno 2: No such file or directory)
loop exited with status 67
SYZFAIL: repeatedly failed to execute the program
proc=6 req=21390 state=3 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: read tcp 127.0.0.1:42631->127.0.0.1:53404: read: connection reset by peer