Extracting prog: 2m54.090456486s Minimizing prog: 43m10.191515774s Simplifying prog options: 0s Extracting C: 30.630476112s Simplifying C: 12m47.963524832s 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r1, 0x0, 0x0, 0x200007fd, 0x0, 0x0) r2 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r2, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) 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: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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r1, 0x0, 0x0, 0x200007fd, 0x0, 0x0) r2 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r2, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) program crashed: possible deadlock in do_ip_setsockopt single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r1, 0x0, 0x0, 0x200007fd, 0x0, 0x0) socket$inet_smc(0x2b, 0x1, 0x0) program did not crash testing program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r1, 0x0, 0x0, 0x200007fd, 0x0, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(0xffffffffffffffff, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) program did not crash testing program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-socket$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) socket$inet(0x2, 0x4000000000000001, 0x100) r1 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r1, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) program did not crash testing program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) sendto$inet(0xffffffffffffffff, 0x0, 0x0, 0x200007fd, 0x0, 0x0) r1 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r1, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) program did not crash testing program (duration=6m0s, {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$inet-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: socket$inet(0x2, 0x3, 0x2) r0 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r0, 0x0, 0x0, 0x200007fd, 0x0, 0x0) r1 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r1, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) program did not crash testing program (duration=6m0s, {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}}): setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: setsockopt$inet_mreqsrc(0xffffffffffffffff, 0x0, 0x27, 0x0, 0x0) r0 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r0, 0x0, 0x0, 0x200007fd, 0x0, 0x0) r1 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r1, 0x0, 0x48b, &(0x7f0000000000)={0x2, 'macvlan0\x00'}, 0x18) program did not crash testing program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON detailed listing: executing program 0: r0 = socket$inet(0x2, 0x3, 0x2) setsockopt$inet_mreqsrc(r0, 0x0, 0x27, 0x0, 0x0) r1 = socket$inet(0x2, 0x4000000000000001, 0x100) sendto$inet(r1, 0x0, 0x0, 0x200007fd, 0x0, 0x0) r2 = socket$inet_smc(0x2b, 0x1, 0x0) setsockopt$IP_VS_SO_SET_STARTDAEMON(r2, 0x0, 0x48b, 0x0, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in do_ip_setsockopt simplifying C reproducer testing compiled C program (duration=6m0s, {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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C 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}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in do_ip_setsockopt testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in do_ip_setsockopt testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:false 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in do_ip_setsockopt testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in do_ip_setsockopt testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-setsockopt$inet_mreqsrc-socket$inet-sendto$inet-socket$inet_smc-setsockopt$IP_VS_SO_SET_STARTDAEMON program crashed: possible deadlock in start_sync_thread a never seen crash title: possible deadlock in start_sync_thread, ignore reproducing took 59m22.875997739s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected 6.14.0-rc4-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor224/5427 is trying to acquire lock: ffff88801e919d58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_ip_setsockopt+0x1966/0x3ae0 net/ipv4/ip_sockglue.c:1078 but task is already holding lock: ffffffff8fed51c8 (rtnl_mutex){+.+.}-{4:4}, at: do_ip_setsockopt+0x11ef/0x3ae0 net/ipv4/ip_sockglue.c:1077 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (rtnl_mutex){+.+.}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 start_sync_thread+0xdc/0x2d30 net/netfilter/ipvs/ip_vs_sync.c:1761 do_ip_vs_set_ctl+0x495/0xe40 net/netfilter/ipvs/ip_vs_ctl.c:2732 nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101 smc_setsockopt+0x275/0xd10 net/smc/af_smc.c:3081 do_sock_setsockopt+0x3af/0x720 net/socket.c:2303 __sys_setsockopt net/socket.c:2328 [inline] __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&smc->clcsock_release_lock){+.+.}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 smc_switch_to_fallback+0x35/0xd90 net/smc/af_smc.c:903 smc_sendmsg+0x11f/0x530 net/smc/af_smc.c:2781 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 __sys_sendto+0x363/0x4c0 net/socket.c:2187 __do_sys_sendto net/socket.c:2194 [inline] __se_sys_sendto net/socket.c:2190 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2190 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (sk_lock-AF_INET){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 lock_sock_nested+0x48/0x100 net/core/sock.c:3645 do_ip_setsockopt+0x1966/0x3ae0 net/ipv4/ip_sockglue.c:1078 ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x3af/0x720 net/socket.c:2303 __sys_setsockopt net/socket.c:2328 [inline] __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: sk_lock-AF_INET --> &smc->clcsock_release_lock --> rtnl_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(&smc->clcsock_release_lock); lock(rtnl_mutex); lock(sk_lock-AF_INET); *** DEADLOCK *** 1 lock held by syz-executor224/5427: #0: ffffffff8fed51c8 (rtnl_mutex){+.+.}-{4:4}, at: do_ip_setsockopt+0x11ef/0x3ae0 net/ipv4/ip_sockglue.c:1077 stack backtrace: CPU: 0 UID: 0 PID: 5427 Comm: syz-executor224 Not tainted 6.14.0-rc4-syzkaller #0 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 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 lock_sock_nested+0x48/0x100 net/core/sock.c:3645 do_ip_setsockopt+0x1966/0x3ae0 net/ipv4/ip_sockglue.c:1078 ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x3af/0x720 net/socket.c:2303 __sys_setsockopt net/socket.c:2328 [inline] __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff248c964a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1f 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff248442168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ff248d1b408 RCX: 00007ff248c964a9 RDX: 0000000000000027 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ff248d1b400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff248d1b40c R13: 0000000000000010 R14: 00007ffdc4d83e10 R15: 00007ffdc4d83ef8 final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected 6.14.0-rc4-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor224/5427 is trying to acquire lock: ffff88801e919d58 (sk_lock-AF_INET){+.+.}-{0:0}, at: do_ip_setsockopt+0x1966/0x3ae0 net/ipv4/ip_sockglue.c:1078 but task is already holding lock: ffffffff8fed51c8 (rtnl_mutex){+.+.}-{4:4}, at: do_ip_setsockopt+0x11ef/0x3ae0 net/ipv4/ip_sockglue.c:1077 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (rtnl_mutex){+.+.}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 start_sync_thread+0xdc/0x2d30 net/netfilter/ipvs/ip_vs_sync.c:1761 do_ip_vs_set_ctl+0x495/0xe40 net/netfilter/ipvs/ip_vs_ctl.c:2732 nf_setsockopt+0x295/0x2c0 net/netfilter/nf_sockopt.c:101 smc_setsockopt+0x275/0xd10 net/smc/af_smc.c:3081 do_sock_setsockopt+0x3af/0x720 net/socket.c:2303 __sys_setsockopt net/socket.c:2328 [inline] __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #1 (&smc->clcsock_release_lock){+.+.}-{4:4}: lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 __mutex_lock_common kernel/locking/mutex.c:585 [inline] __mutex_lock+0x19c/0x1010 kernel/locking/mutex.c:730 smc_switch_to_fallback+0x35/0xd90 net/smc/af_smc.c:903 smc_sendmsg+0x11f/0x530 net/smc/af_smc.c:2781 sock_sendmsg_nosec net/socket.c:718 [inline] __sock_sendmsg+0x221/0x270 net/socket.c:733 __sys_sendto+0x363/0x4c0 net/socket.c:2187 __do_sys_sendto net/socket.c:2194 [inline] __se_sys_sendto net/socket.c:2190 [inline] __x64_sys_sendto+0xde/0x100 net/socket.c:2190 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f -> #0 (sk_lock-AF_INET){+.+.}-{0:0}: check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 lock_sock_nested+0x48/0x100 net/core/sock.c:3645 do_ip_setsockopt+0x1966/0x3ae0 net/ipv4/ip_sockglue.c:1078 ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x3af/0x720 net/socket.c:2303 __sys_setsockopt net/socket.c:2328 [inline] __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f other info that might help us debug this: Chain exists of: sk_lock-AF_INET --> &smc->clcsock_release_lock --> rtnl_mutex Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(rtnl_mutex); lock(&smc->clcsock_release_lock); lock(rtnl_mutex); lock(sk_lock-AF_INET); *** DEADLOCK *** 1 lock held by syz-executor224/5427: #0: ffffffff8fed51c8 (rtnl_mutex){+.+.}-{4:4}, at: do_ip_setsockopt+0x11ef/0x3ae0 net/ipv4/ip_sockglue.c:1077 stack backtrace: CPU: 0 UID: 0 PID: 5427 Comm: syz-executor224 Not tainted 6.14.0-rc4-syzkaller #0 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 print_circular_bug+0x13a/0x1b0 kernel/locking/lockdep.c:2076 check_noncircular+0x36a/0x4a0 kernel/locking/lockdep.c:2208 check_prev_add kernel/locking/lockdep.c:3163 [inline] check_prevs_add kernel/locking/lockdep.c:3282 [inline] validate_chain+0x18ef/0x5920 kernel/locking/lockdep.c:3906 __lock_acquire+0x1397/0x2100 kernel/locking/lockdep.c:5228 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851 lock_sock_nested+0x48/0x100 net/core/sock.c:3645 do_ip_setsockopt+0x1966/0x3ae0 net/ipv4/ip_sockglue.c:1078 ip_setsockopt+0x63/0x100 net/ipv4/ip_sockglue.c:1417 do_sock_setsockopt+0x3af/0x720 net/socket.c:2303 __sys_setsockopt net/socket.c:2328 [inline] __do_sys_setsockopt net/socket.c:2334 [inline] __se_sys_setsockopt net/socket.c:2331 [inline] __x64_sys_setsockopt+0x1ee/0x280 net/socket.c:2331 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff248c964a9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 1f 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ff248442168 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 RAX: ffffffffffffffda RBX: 00007ff248d1b408 RCX: 00007ff248c964a9 RDX: 0000000000000027 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00007ff248d1b400 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007ff248d1b40c R13: 0000000000000010 R14: 00007ffdc4d83e10 R15: 00007ffdc4d83ef8