Extracting prog: 5m55.550597856s
Minimizing prog: 1h19m40.83679121s
Simplifying prog options: 5m11.15729217s
Extracting C: 2m21.490752414s
Simplifying C: 0s


extracting reproducer from 1 programs
testing a last program of every proc
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in worker_thread
single: successfully extracted reproducer
found reproducer with 6 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
socket(0x400000000010, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
socket(0x10, 0x3, 0x0)
r2 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r2 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket$unix(0x1, 0x5, 0x0)
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r1 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r0=>0x0})
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r2 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r0, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r2 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, 0x0, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, 0x0}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={0x0}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, 0x0, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={0x0}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in tc_modify_qdisc
a never seen crash title: INFO: rcu detected stall in tc_modify_qdisc, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in tc_modify_qdisc
a never seen crash title: INFO: rcu detected stall in tc_modify_qdisc, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in corrupted
a never seen crash title: INFO: rcu detected stall in corrupted, ignore
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in tc_modify_qdisc
validation run: crashed=true
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in tc_modify_qdisc
validation run: crashed=true
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
reproducing took 1h41m6.191797681s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=17933, q=463 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10502 (4294960215-4294949713), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g17933 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:27656 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7326
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 6006 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__sanitizer_cov_trace_pc+0x0/0x70 kernel/kcov.c:210
Code: 89 fb e8 23 00 00 00 48 8b 3d 14 1e 89 0c 48 89 de 5b e9 13 03 62 00 cc cc cc 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 8b 04 24 65 48 8b 0d b8 0d a6 11 65 8b 15 d9 0d a6
RSP: 0018:ffffc9000269f698 EFLAGS: 00000202
RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffff888036169f00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000269f7c8 R08: ffffffff905775f7 R09: 1ffffffff20aeebe
R10: dffffc0000000000 R11: fffffbfff20aeebf R12: 1ffff110170c85fd
R13: ffff8880b873c448 R14: ffff8880b8642fe8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125058000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f89d0c1ae9c CR3: 000000000e946000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 csd_lock_wait kernel/smp.c:342 [inline]
 smp_call_function_many_cond+0x10c7/0x14b0 kernel/smp.c:892
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1057
 __flush_tlb_multi arch/x86/include/asm/paravirt.h:46 [inline]
 flush_tlb_multi arch/x86/mm/tlb.c:1361 [inline]
 flush_tlb_mm_range+0x5c4/0x1090 arch/x86/mm/tlb.c:1451
 tlb_flush arch/x86/include/asm/tlb.h:23 [inline]
 tlb_flush_mmu_tlbonly include/asm-generic/tlb.h:509 [inline]
 tlb_flush_mmu+0x1af/0xa30 mm/mmu_gather.c:423
 tlb_finish_mmu+0xf4/0x220 mm/mmu_gather.c:549
 free_ldt_pgtables+0x192/0x360 arch/x86/kernel/ldt.c:411
 arch_exit_mmap arch/x86/include/asm/mmu_context.h:229 [inline]
 exit_mmap+0x1bf/0x9f0 mm/mmap.c:1285
 __mmput+0x118/0x420 kernel/fork.c:1187
 exit_mm+0x221/0x2d0 kernel/exit.c:610
 do_exit+0x6cd/0x2360 kernel/exit.c:992
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1147
 __do_sys_exit_group kernel/exit.c:1158 [inline]
 __se_sys_exit_group kernel/exit.c:1156 [inline]
 __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1156
 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f89d0d796c5
Code: Unable to access opcode bytes at 0x7f89d0d7969b.
RSP: 002b:00007ffc2894d3f8 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7
RAX: ffffffffffffffda RBX: 00007f89d0e7afe8 RCX: 00007f89d0d796c5
RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001
RBP: 0000000000000001 R08: 00007ffc2894d388 R09: 0000000000000000
R10: 00007ffc2894d220 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000001 R14: 00007f89d0e79680 R15: 00007f89d0e7b000
 </TASK>

report is corrupted, running repro again
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$unix-ioctl$sock_SIOCGIFINDEX-socket-sendmsg$nl_route_sched-socket-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f00000000c0)={'ipvlan0\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000200)={0x0, 0x0, &(0x7f0000000000)={&(0x7f0000000300)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
r3 = socket(0x400000000010, 0x3, 0x0)
sendmsg$nl_route_sched(r3, &(0x7f00000012c0)={0x0, 0x0, &(0x7f0000000040)={&(0x7f0000000100)=@newqdisc={0x54, 0x24, 0x4ee4e6a52ff56541, 0x70bd29, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0xd}, {0xffff, 0xffff}, {0xc, 0xfff3}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x24, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x30}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x81}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8, 0x5, 0xb}]}}]}, 0x54}, 0x1, 0x0, 0x0, 0x40005}, 0x8010)

program crashed: INFO: rcu detected stall in tc_modify_qdisc
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (1 GPs behind) idle=5704/1/0x4000000000000000 softirq=17910/17911 fqs=1
rcu: 	(detected by 1, t=10504 jiffies, g=18321, q=270 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 6012 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
RIP: 0010:__this_cpu_preempt_check+0x0/0x20 lib/smp_processor_id.c:63
Code: d4 4b 8c e8 32 8c 58 f5 e8 0d 8b 63 f5 eb aa 66 66 2e 0f 1f 84 00 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 <f3> 0f 1e fa 48 89 fe 48 c7 c7 80 d3 4b 8c e9 fd fe ff ff cc cc cc
RSP: 0018:ffffc90000007d98 EFLAGS: 00000046
RAX: 0000000000000001 RBX: 0000000000000001 RCX: 0000000000010203
RDX: ffff88802d02be00 RSI: ffff8880b86281d8 RDI: ffffffff8e4af404
RBP: 00000000ffffffff R08: ffff88807afa8317 R09: 0000000000000000
R10: ffff88807afa8308 R11: ffffed100f5f5063 R12: 0000000000000046
R13: ffff88802d02be00 R14: ffff8880b86281d8 R15: 0000000000000002
FS:  00007fa25cbfe6c0(0000) GS:ffff888124f58000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000012c0 CR3: 000000007e2ae000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline]
 lock_is_held_type+0xdf/0x150 kernel/locking/lockdep.c:5941
 lock_is_held include/linux/lockdep.h:249 [inline]
 __run_hrtimer kernel/time/hrtimer.c:1998 [inline]
 __hrtimer_run_queues+0x20b/0xa10 kernel/time/hrtimer.c:2096
 hrtimer_interrupt+0x448/0x910 kernel/time/hrtimer.c:2215
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline]
 __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:179 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x47/0x80 kernel/locking/spinlock.c:198
Code: f7 e8 ad fc d0 f5 f7 c3 00 02 00 00 74 05 e8 10 e1 fc f5 9c 58 a9 00 02 00 00 75 27 f7 c3 00 02 00 00 74 01 fb bf 01 00 00 00 <e8> b4 12 c2 f5 65 8b 05 ad b2 9a 07 85 c0 74 18 5b 41 5e e9 91 48
RSP: 0018:ffffc900036beee8 EFLAGS: 00000206
RAX: 0000000000000002 RBX: 0000000000000282 RCX: 0000000080000202
RDX: 0000000000000002 RSI: ffffffff8e22a48f RDI: 0000000000000001
RBP: ffffc900036bf1d0 R08: ffffffff905775f7 R09: 1ffffffff20aeebe
R10: dffffc0000000000 R11: fffffbfff20aeebf R12: ffff88807afa82a8
R13: dffffc0000000000 R14: ffff88807afa82a8 R15: ffff88807afa82f8
 spin_unlock_irqrestore include/linux/spinlock.h:408 [inline]
 taprio_change+0x34f3/0x4640 net/sched/sch_taprio.c:1989
 taprio_init+0x994/0xc00 net/sched/sch_taprio.c:2128
 qdisc_create+0x7b5/0xf00 net/sched/sch_api.c:1323
 __tc_modify_qdisc net/sched/sch_api.c:1757 [inline]
 tc_modify_qdisc+0x17af/0x2390 net/sched/sch_api.c:1821
 rtnetlink_rcv_msg+0x7b9/0xc00 net/core/rtnetlink.c:7085
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2556
 netlink_unicast_kernel net/netlink/af_netlink.c:1319 [inline]
 netlink_unicast+0x7bb/0x940 net/netlink/af_netlink.c:1345
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1900
 sock_sendmsg_nosec+0x13a/0x180 net/socket.c:775
 __sock_sendmsg net/socket.c:790 [inline]
 ____sys_sendmsg+0x54e/0x850 net/socket.c:2684
 ___sys_sendmsg+0x2a5/0x360 net/socket.c:2738
 __sys_sendmsg net/socket.c:2770 [inline]
 __do_sys_sendmsg net/socket.c:2775 [inline]
 __se_sys_sendmsg net/socket.c:2773 [inline]
 __x64_sys_sendmsg+0x1b1/0x290 net/socket.c:2773
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa25d59de59
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa25cbfe028 EFLAGS: 00000246 ORIG_RAX: 000000000000002e
RAX: ffffffffffffffda RBX: 00007fa25d825fa0 RCX: 00007fa25d59de59
RDX: 0000000000008010 RSI: 00002000000012c0 RDI: 0000000000000005
RBP: 00007fa25d633e6f R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa25d826038 R14: 00007fa25d825fa0 R15: 00007ffe18dd81f8
 </TASK>
rcu: rcu_preempt kthread starved for 10501 jiffies! g18321 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:28192 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5510 [inline]
 __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234
 __schedule_loop kernel/sched/core.c:7311 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7326
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123
 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 UID: 0 PID: 176 Comm: kworker/u8:5 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/09/2026
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline]
RIP: 0010:smp_call_function_many_cond+0x10b0/0x14b0 kernel/smp.c:892
Code: c0 75 73 41 8b 1e 89 de 83 e6 01 31 ff e8 d8 1e 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 84 1a 0c 00 eb 37 f3 90 <41> 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 69 1a 0c
RSP: 0018:ffffc9000318f720 EFLAGS: 00000293
RAX: ffffffff81ba57d7 RBX: dffffc0000000000 RCX: ffff888020725d00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc9000318f860 R08: ffffffff905775f7 R09: 1ffffffff20aeebe
R10: dffffc0000000000 R11: fffffbfff20aeebf R12: 1ffff110170c85fd
R13: ffff8880b873c448 R14: ffff8880b8642fe8 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff888125058000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffaedb5e000 CR3: 000000000e946000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1057
 on_each_cpu include/linux/smp.h:72 [inline]
 smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2773 [inline]
 smp_text_poke_batch_finish+0x5fd/0x1110 arch/x86/kernel/alternative.c:2983
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x128/0x240 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate+0xab/0x290 mm/kfence/core.c:911
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405
 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>