Extracting prog: 1m54.451426845s Minimizing prog: 1h33m39.977538262s Simplifying prog options: 12m32.519048008s Extracting C: 6m16.370079308s Simplifying C: 0s 30 programs, timeouts [6m0s] extracting reproducer from 30 programs testing a last program of every proc single: executing 5 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 0x0, 0x0) program crashed: lost connection to test machine single: successfully extracted reproducer found reproducer with 9 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, 0xffffffffffffffff, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r0, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r1, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r0, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r2 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(0xffffffffffffffff, 0x1, r1, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r2, 0x1, 0xffffffffffffffff, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, 0x0) connect$unix(0xffffffffffffffff, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(0xffffffffffffffff, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(0xffffffffffffffff, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r1 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, 0xffffffffffffffff, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r1, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, 0x0, 0x0) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, 0x0, 0x0, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, 0x0, 0x0, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, 0x0) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, 0x0) ppoll(0x0, 0x0, 0x0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): epoll_create1-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-epoll_create1-epoll_ctl$EPOLL_CTL_ADD-epoll_ctl$EPOLL_CTL_ADD-ppoll detailed listing: executing program 0: r0 = epoll_create1(0x80000) socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000180)={0xffffffffffffffff, 0xffffffffffffffff}) connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e) sendmmsg$unix(r2, &(0x7f00000bd000), 0x318, 0x0) recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0) r3 = epoll_create1(0x0) epoll_ctl$EPOLL_CTL_ADD(r0, 0x1, r2, &(0x7f0000000100)={0x20000014}) epoll_ctl$EPOLL_CTL_ADD(r3, 0x1, r0, &(0x7f0000000000)={0x80000011}) ppoll(0x0, 0x0, 0x0, 0x0, 0x0) program did not crash reproducing took 1h54m23.318112073s repro crashed as (corrupted=false): final repro crashed as (corrupted=false):