Extracting prog: 2m35.510500154s
Minimizing prog: 32m47.963502166s
Simplifying prog options: 12m10.202218673s
Extracting C: 5m7.90781803s
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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-setsockopt$sock_int-sendmmsg$inet-mprotect-unlink-syz_clone3
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
sendmmsg$inet(r1, 0x0, 0x0, 0x24000844)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')
syz_clone3(0x0, 0x0)

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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-setsockopt$sock_int-sendmmsg$inet-mprotect-unlink-syz_clone3
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
sendmmsg$inet(r1, 0x0, 0x0, 0x24000844)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')
syz_clone3(0x0, 0x0)

program crashed: SYZFAIL: tun: can't open /dev/net/tun
single: successfully extracted reproducer
found reproducer with 13 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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-setsockopt$sock_int-sendmmsg$inet-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
sendmmsg$inet(r1, 0x0, 0x0, 0x24000844)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-setsockopt$sock_int-sendmmsg$inet-mprotect
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
sendmmsg$inet(r1, 0x0, 0x0, 0x24000844)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)

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$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-setsockopt$sock_int-sendmmsg$inet-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
sendmmsg$inet(r1, 0x0, 0x0, 0x24000844)
unlink(&(0x7f0000000000)='./file0\x00')

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$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-setsockopt$sock_int-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-setsockopt$sock_int-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
r1 = socket$inet_udp(0x2, 0x2, 0x0)
setsockopt$sock_int(r1, 0x1, 0x5, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-socket$inet_udp-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
socket$inet_udp(0x2, 0x2, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-ioctl$TUNSETIFF-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
r0 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
ioctl$TUNSETIFF(r0, 0x400454ca, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-openat$dir-getdents-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
getdents(0xffffffffffffffff, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-openat$dir-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-chdir-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
chdir(0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

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}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(0x0)

program did not crash
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}}): openat$tun-mprotect-unlink
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

program crashed: SYZFAIL: tun: can't open /dev/net/tun
extracting C reproducer
testing compiled C 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}}): openat$tun-mprotect-unlink
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

program crashed: SYZFAIL: tun: can't open /dev/net/tun
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: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$tun-mprotect-unlink
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

program crashed: SYZFAIL: tun: can't open /dev/net/tun
validation run: crashed=true
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: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$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

program crashed: SYZFAIL: tun: can't open /dev/net/tun
validation run: crashed=true
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: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$tun-mprotect-unlink
detailed listing:
executing program 0:
openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
unlink(&(0x7f0000000000)='./file0\x00')

program crashed: SYZFAIL: tun: can't open /dev/net/tun
validation run: crashed=true
reproducing took 55m21.443601435s
repro crashed as (corrupted=false):
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=2 req=617 state=3 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF

final repro crashed as (corrupted=false):
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=2 req=617 state=3 status=67 (errno 9: Bad file descriptor)
connection error: failed to recv *flatrpc.ExecutorMessageRawT: EOF