Extracting prog: 48.287698608s Minimizing prog: 10m3.528612128s Simplifying prog options: 3m22.85737614s Extracting C: 58.33679984s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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: lost connection to test machine single: successfully extracted reproducer found reproducer with 13 syscalls minimizing guilty program testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-openat$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: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, 0x0, 0x20002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) unlink(&(0x7f0000000000)='./file0\x00') program did not crash testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) unlink(&(0x7f0000000000)='./file0\x00') program crashed: lost connection to test machine testing program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) unlink(0x0) program did not crash extracting C reproducer testing compiled C program (duration=57.385018227s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink program did not crash simplifying guilty program options testing program (duration=57.385018227s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) unlink(&(0x7f0000000000)='./file0\x00') program crashed: lost connection to test machine extracting C reproducer testing compiled C program (duration=57.385018227s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink program did not crash testing program (duration=57.385018227s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) unlink(&(0x7f0000000000)='./file0\x00') program did not crash testing program (duration=57.385018227s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink detailed listing: executing program 0: openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x20002, 0x0) mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1) unlink(&(0x7f0000000000)='./file0\x00') program crashed: lost connection to test machine extracting C reproducer testing compiled C program (duration=57.385018227s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): openat$tun-mprotect-unlink program did not crash reproducing took 15m13.184674271s repro crashed as (corrupted=false): final repro crashed as (corrupted=false):