Extracting prog: 3m11.571572453s Minimizing prog: 35m12.639873911s Simplifying prog options: 0s Extracting C: 30.515115957s Simplifying C: 5m44.971740131s 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:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) 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:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() single: successfully extracted reproducer found reproducer with 8 syscalls minimizing guilty program testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) setsockopt(0xffffffffffffffff, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(0xffffffffffffffff, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(0xffffffffffffffff, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(0xffffffffffffffff, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: bind$inet6(0xffffffffffffffff, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(0xffffffffffffffff, 0x101) r0 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r0, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r0, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r0, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r0, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, 0x0, 0x0) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, 0x0, 0x0) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff), 0x0) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, 0x0, 0x0) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, 0x0, 0x0) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, 0x0, 0x0, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780), 0x0, 0x0, 0x0, 0x0) (rerun: 64) program did not crash testing program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet detailed listing: executing program 0: r0 = socket$inet6(0xa, 0x6, 0x0) bind$inet6(r0, &(0x7f0000000000)={0xa, 0x4e20}, 0x1c) listen(r0, 0x101) r1 = socket$inet_dccp(0x2, 0x6, 0x0) setsockopt(r1, 0x10d, 0x800000000d, &(0x7f00001c9fff)="03", 0x1) connect$inet(r1, &(0x7f0000000080)={0x2, 0x4e20, @loopback}, 0x10) write$binfmt_script(r1, &(0x7f00000000c0)={'#! ', './file0'}, 0xb) (rerun: 64) sendto$inet(r1, &(0x7f0000000780)='+', 0x1, 0x0, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m48.608229217s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() simplifying C reproducer testing compiled C program (duration=1m48.608229217s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() testing compiled C program (duration=1m48.608229217s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() testing compiled C program (duration=1m48.608229217s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() testing compiled C program (duration=1m48.608229217s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false 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}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() testing compiled C program (duration=1m48.608229217s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() testing compiled C program (duration=1m48.608229217s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() testing compiled C program (duration=1m48.608229217s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet6-bind$inet6-listen-socket$inet_dccp-setsockopt-connect$inet-write$binfmt_script-sendto$inet program crashed: BUG: "hc->tx_t_ipi == NUM" holds (exception!) at net/dccp/ccids/ccid3.c:LINE/ccid3_update_send_interval() reproducing took 44m39.698339851s repro crashed as (corrupted=false): BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() CPU: 0 UID: 0 PID: 5323 Comm: syz-executor330 Not tainted 6.15.0-rc2-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline] ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline] ccid3_hc_tx_packet_sent+0x295/0x320 net/dccp/ccids/ccid3.c:353 ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline] dccp_xmit_packet+0x3c8/0x600 net/dccp/output.c:289 dccp_write_xmit+0x138/0x220 net/dccp/output.c:366 dccp_sendmsg+0x76b/0xbb0 net/dccp/proto.c:801 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:727 __sys_sendto+0x365/0x4c0 net/socket.c:2180 __do_sys_sendto net/socket.c:2187 [inline] __se_sys_sendto net/socket.c:2183 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2183 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb172e78bb9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc8a6f60d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fb172e78bb9 RDX: 0000000000000001 RSI: 0000200000000780 RDI: 0000000000000004 RBP: 0000200000000780 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8a6f60fc R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001 final repro crashed as (corrupted=false): BUG: "hc->tx_t_ipi == 0" holds (exception!) at net/dccp/ccids/ccid3.c:90/ccid3_update_send_interval() CPU: 0 UID: 0 PID: 5323 Comm: syz-executor330 Not tainted 6.15.0-rc2-syzkaller #0 PREEMPT(full) Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 ccid3_update_send_interval net/dccp/ccids/ccid3.c:90 [inline] ccid3_hc_tx_update_s net/dccp/ccids/ccid3.c:169 [inline] ccid3_hc_tx_packet_sent+0x295/0x320 net/dccp/ccids/ccid3.c:353 ccid_hc_tx_packet_sent net/dccp/ccid.h:175 [inline] dccp_xmit_packet+0x3c8/0x600 net/dccp/output.c:289 dccp_write_xmit+0x138/0x220 net/dccp/output.c:366 dccp_sendmsg+0x76b/0xbb0 net/dccp/proto.c:801 sock_sendmsg_nosec net/socket.c:712 [inline] __sock_sendmsg+0x1a6/0x270 net/socket.c:727 __sys_sendto+0x365/0x4c0 net/socket.c:2180 __do_sys_sendto net/socket.c:2187 [inline] __se_sys_sendto net/socket.c:2183 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2183 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fb172e78bb9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 c1 17 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffc8a6f60d8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 0000000000000038 RCX: 00007fb172e78bb9 RDX: 0000000000000001 RSI: 0000200000000780 RDI: 0000000000000004 RBP: 0000200000000780 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ffc8a6f60fc R13: 431bde82d7b634db R14: 0000000000000001 R15: 0000000000000001