Extracting prog: 6m58.670662004s Minimizing prog: 1h1m51.581007918s Simplifying prog options: 5m0.499307117s Extracting C: 2m25.516656122s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 0x0) 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: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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 0x0) program crashed: INFO: rcu detected stall in sys_sendto single: successfully extracted reproducer found reproducer with 4 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)) socket$netlink(0x10, 0x3, 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 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}}): socket-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: socket(0x11, 0x800000003, 0x0) r0 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r0, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, 0x0, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 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}}): ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r0, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, 0x0, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)) r1 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x4}}]}, 0x34}}, 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xa8, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x78, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x14, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x4}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xa8}}, 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}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched program crashed: INFO: rcu detected stall in linkwatch_event a never seen crash title: INFO: rcu detected stall in linkwatch_event, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 0x0) program crashed: INFO: rcu detected stall in do_idle a never seen crash title: INFO: rcu detected stall in do_idle, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched detailed listing: executing program 0: r0 = socket(0x11, 0x800000003, 0x0) ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', 0x0}) r2 = socket$netlink(0x10, 0x3, 0x0) sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000340)=@newqdisc={0xe0, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}, {0x0, 0x3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0xb0, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x4c, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8}]}, {0x3c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x4}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x3}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xffffffff}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x6}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0xe934}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x401}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xe0}}, 0x0) program crashed: INFO: rcu detected stall in sys_unlink a never seen crash title: INFO: rcu detected stall in sys_unlink, ignore reproducing took 1h16m16.267648001s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (2 GPs behind) idle=683/1/0x4000000000000000 softirq=6722/6726 fqs=5247 (detected by 1, t=10502 jiffies, g=6953, q=1562) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4274 Comm: syz-executor Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:enqueue_hrtimer+0x112/0x390 kernel/time/hrtimer.c:1087 Code: 00 0f b6 5d 00 89 de 83 e6 10 31 ff e8 57 d1 10 00 83 e3 10 0f 84 ac 00 00 00 e8 e9 ce 10 00 49 8d 6d 08 48 89 e8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 cd 00 00 00 8b 6d 00 bf 20 00 00 00 89 RSP: 0018:ffffc90000007d28 EFLAGS: 00000802 RAX: 1ffff110171c5461 RBX: 0000000000000010 RCX: ffff88802ba18000 RDX: 0000000000010000 RSI: 0000000000000010 RDI: 0000000000000000 RBP: ffff8880b8e2a308 R08: ffffffff816fa4a9 R09: fffffbfff1c14b16 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880b8e2a300 R14: ffff8880236deb40 R15: 1ffff110171c5460 FS: 000055556e751500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000005ea52000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:__kasan_check_read+0x2/0x10 mm/kasan/shadow.c:31 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 57 e0 3c 8c eb 0a 48 c7 c7 8f e0 3c 8c 4c 89 fe e8 66 25 73 08 31 db eb d7 cc cc 89 f6 <48> 8b 0c 24 31 d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 RSP: 0018:ffffc90002f1f410 EFLAGS: 00000246 RAX: ffff8880b8f00000 RBX: dffffc0000000000 RCX: ffffffff8161ea54 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8dc41320 RBP: ffffffff8dc41320 R08: dffffc0000000000 R09: ffffed1005743001 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88813ff90000 R13: ffffffff8dc413b0 R14: ffffffff8dc41370 R15: dffffc0000000000 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline] __mutex_owner kernel/locking/mutex.c:78 [inline] mutex_spin_on_owner+0x291/0x370 kernel/locking/mutex.c:352 mutex_optimistic_spin+0x38/0x300 kernel/locking/mutex.c:469 __mutex_lock_common+0x1ff/0x25a0 kernel/locking/mutex.c:599 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 nl80211_pre_doit+0x28/0x540 net/wireless/nl80211.c:14964 genl_family_rcv_msg_doit net/netlink/genetlink.c:726 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xf6a/0x14a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1352 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x564/0x720 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f5c8974c6dc Code: 2a 5a 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5a 02 00 48 8b RSP: 002b:00007ffd2ab0b140 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f5c8a43e620 RCX: 00007f5c8974c6dc RDX: 0000000000000024 RSI: 00007f5c8a43e670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffd2ab0b194 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f5c8a43e670 R15: 0000000000000000 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...0: (2 GPs behind) idle=683/1/0x4000000000000000 softirq=6722/6726 fqs=5247 (detected by 1, t=10502 jiffies, g=6953, q=1562) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4274 Comm: syz-executor Not tainted 5.15.173-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 RIP: 0010:enqueue_hrtimer+0x112/0x390 kernel/time/hrtimer.c:1087 Code: 00 0f b6 5d 00 89 de 83 e6 10 31 ff e8 57 d1 10 00 83 e3 10 0f 84 ac 00 00 00 e8 e9 ce 10 00 49 8d 6d 08 48 89 e8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 cd 00 00 00 8b 6d 00 bf 20 00 00 00 89 RSP: 0018:ffffc90000007d28 EFLAGS: 00000802 RAX: 1ffff110171c5461 RBX: 0000000000000010 RCX: ffff88802ba18000 RDX: 0000000000010000 RSI: 0000000000000010 RDI: 0000000000000000 RBP: ffff8880b8e2a308 R08: ffffffff816fa4a9 R09: fffffbfff1c14b16 R10: 0000000000000000 R11: dffffc0000000001 R12: dffffc0000000000 R13: ffff8880b8e2a300 R14: ffff8880236deb40 R15: 1ffff110171c5460 FS: 000055556e751500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000600 CR3: 000000005ea52000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __run_hrtimer kernel/time/hrtimer.c:1705 [inline] __hrtimer_run_queues+0x6b6/0xcf0 kernel/time/hrtimer.c:1752 hrtimer_interrupt+0x392/0x980 kernel/time/hrtimer.c:1814 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1097 [inline] __sysvec_apic_timer_interrupt+0x13b/0x4b0 arch/x86/kernel/apic/apic.c:1114 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1108 [inline] sysvec_apic_timer_interrupt+0x9b/0xc0 arch/x86/kernel/apic/apic.c:1108 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:676 RIP: 0010:__kasan_check_read+0x2/0x10 mm/kasan/shadow.c:31 Code: 41 5c 41 5d 41 5e 41 5f 5d c3 48 c7 c7 57 e0 3c 8c eb 0a 48 c7 c7 8f e0 3c 8c 4c 89 fe e8 66 25 73 08 31 db eb d7 cc cc 89 f6 <48> 8b 0c 24 31 d2 e9 63 ef ff ff 0f 1f 00 89 f6 48 8b 0c 24 ba 01 RSP: 0018:ffffc90002f1f410 EFLAGS: 00000246 RAX: ffff8880b8f00000 RBX: dffffc0000000000 RCX: ffffffff8161ea54 RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff8dc41320 RBP: ffffffff8dc41320 R08: dffffc0000000000 R09: ffffed1005743001 R10: 0000000000000000 R11: dffffc0000000001 R12: ffff88813ff90000 R13: ffffffff8dc413b0 R14: ffffffff8dc41370 R15: dffffc0000000000 instrument_atomic_read include/linux/instrumented.h:71 [inline] atomic_long_read include/linux/atomic/atomic-instrumented.h:1183 [inline] __mutex_owner kernel/locking/mutex.c:78 [inline] mutex_spin_on_owner+0x291/0x370 kernel/locking/mutex.c:352 mutex_optimistic_spin+0x38/0x300 kernel/locking/mutex.c:469 __mutex_lock_common+0x1ff/0x25a0 kernel/locking/mutex.c:599 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 nl80211_pre_doit+0x28/0x540 net/wireless/nl80211.c:14964 genl_family_rcv_msg_doit net/netlink/genetlink.c:726 [inline] genl_family_rcv_msg net/netlink/genetlink.c:775 [inline] genl_rcv_msg+0xf6a/0x14a0 net/netlink/genetlink.c:792 netlink_rcv_skb+0x1cf/0x410 net/netlink/af_netlink.c:2504 genl_rcv+0x24/0x40 net/netlink/genetlink.c:803 netlink_unicast_kernel net/netlink/af_netlink.c:1326 [inline] netlink_unicast+0x7b6/0x980 net/netlink/af_netlink.c:1352 netlink_sendmsg+0xa30/0xd60 net/netlink/af_netlink.c:1920 sock_sendmsg_nosec net/socket.c:704 [inline] __sock_sendmsg net/socket.c:716 [inline] __sys_sendto+0x564/0x720 net/socket.c:2063 __do_sys_sendto net/socket.c:2075 [inline] __se_sys_sendto net/socket.c:2071 [inline] __x64_sys_sendto+0xda/0xf0 net/socket.c:2071 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7f5c8974c6dc Code: 2a 5a 02 00 44 8b 4c 24 2c 4c 8b 44 24 20 89 c5 44 8b 54 24 28 48 8b 54 24 18 b8 2c 00 00 00 48 8b 74 24 10 8b 7c 24 08 0f 05 <48> 3d 00 f0 ff ff 77 34 89 ef 48 89 44 24 08 e8 70 5a 02 00 48 8b RSP: 002b:00007ffd2ab0b140 EFLAGS: 00000293 ORIG_RAX: 000000000000002c RAX: ffffffffffffffda RBX: 00007f5c8a43e620 RCX: 00007f5c8974c6dc RDX: 0000000000000024 RSI: 00007f5c8a43e670 RDI: 0000000000000003 RBP: 0000000000000000 R08: 00007ffd2ab0b194 R09: 000000000000000c R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000003 R13: 0000000000000000 R14: 00007f5c8a43e670 R15: 0000000000000000