Extracting prog: 5m40.359564806s
Minimizing prog: 1h7m28.221471037s
Simplifying prog options: 6m13.172896324s
Extracting C: 3m27.579772768s
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-socketpair$tipc-sendmsg$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
socketpair$tipc(0x1e, 0x5, 0x0, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program crashed: INFO: rcu detected stall in netlink_sendmsg
program crashed: INFO: rcu detected stall in x64_sys_call
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=4m59.925128924s, {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-socketpair$tipc-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
socketpair$tipc(0x1e, 0x5, 0x0, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@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, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)

program did not crash
testing program (duration=4m59.925128924s, {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-socketpair$tipc-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
socketpair$tipc(0x1e, 0x5, 0x0, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program crashed: INFO: rcu detected stall in netlink_sendmsg
testing program (duration=4m59.925128924s, {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$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket$unix(0x1, 0x5, 0x0)
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r0=>0x0})
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r0, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, 0x0)
r1 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, 0x0, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r1, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, 0x0, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, 0x0, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, 0x0}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={0x0}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, 0x0, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={0x0}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program did not crash
extracting C reproducer
testing compiled C program (duration=4m59.925128924s, {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
program crashed: INFO: rcu detected stall in validate_mm
a never seen crash title: INFO: rcu detected stall in validate_mm, ignore
simplifying guilty program options
testing program (duration=4m59.925128924s, {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$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program crashed: INFO: rcu detected stall in sys_socket
a never seen crash title: INFO: rcu detected stall in sys_socket, ignore
testing program (duration=4m59.925128924s, {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$nl_route_sched-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

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=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=4m59.925128924s, {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, &(0x7f0000000000)={'vlan1\x00', <r1=>0x0})
r2 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f0000000080)={0x0, 0x0, &(0x7f00000000c0)={&(0x7f0000000100)=@newqdisc={0x88, 0x24, 0xf0b, 0x70bd26, 0x0, {0x0, 0x0, 0x0, r1, {0x0, 0xffff}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_mqprio={{0xb}, {0x58, 0x2, {{0x1, [], 0x0, [0x1, 0x2, 0xfffe, 0x0, 0x0, 0x0, 0x0, 0x8, 0x0, 0x5c4, 0x8000, 0x0, 0x0, 0x3dc], [0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1000]}}}}]}, 0x88}}, 0x20000000)
sendmsg$nl_route_sched(r2, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x4c, 0x24, 0x4ee4e6a52ff56541, 0x70bd2e, 0xfffbffff, {0x0, 0x0, 0x0, r1, {0x0, 0x8}, {0xffff, 0xffff}, {0xa, 0xe}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x1c, 0x2, [@TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0xff}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0x4c}, 0x1, 0x0, 0x0, 0x4004}, 0x4040010)

program crashed: INFO: rcu detected stall in rtnl_newlink
validation run: crashed=true
reproducing took 1h31m55.622645119s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (2 ticks this GP) idle=d33c/1/0x4000000000000000 softirq=19914/19914 fqs=28
rcu: 	(detected by 1, t=10503 jiffies, g=20653, q=878 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5856 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:memset_orig+0x25/0xb0 arch/x86/lib/memset_64.S:64
Code: 90 90 90 90 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 <74> 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48
RSP: 0018:ffffc90000007d00 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff888034f97300 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000007d20
RBP: 0000000000000000 R08: ffffc90000007d2f R09: 0000000000000000
R10: ffffc90000007d20 R11: fffff52000000fa6 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffffff8c0fb680 R15: 0000000000000000
FS:  000055559083a500(0000) GS:ffff888123a6b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000392c16865000 CR3: 0000000077b4e000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 debug_object_activate+0x38/0x420 lib/debugobjects.c:861
 debug_hrtimer_activate kernel/time/hrtimer.c:486 [inline]
 debug_activate kernel/time/hrtimer.c:529 [inline]
 enqueue_hrtimer+0xa9/0x2c0 kernel/time/hrtimer.c:1137
 __run_hrtimer kernel/time/hrtimer.c:2091 [inline]
 __hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2132
 hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2251
 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:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 e0 ca 50 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 e2 d4 f7 12 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 7f d2 53 0a cc 48 8d 3d c7 d3 db
RSP: 0018:ffffc9000393e380 EFLAGS: 00000292
RAX: 5222c794268afb00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000ae8c7df2 RSI: ffffffff8e70fdbc RDI: ffffffff8c6e1780
RBP: ffff8880277dddc0 R08: ffffffff8178699f R09: 0000000000000000
R10: ffffc9000393e4b8 R11: ffffffff81b301f0 R12: ffffffff8fd59ca0
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_node_noprof+0x34f/0x600 mm/slub.c:5068
 kmalloc_reserve net/core/skbuff.c:616 [inline]
 __alloc_skb+0x27a/0x7a0 net/core/skbuff.c:716
 alloc_skb include/linux/skbuff.h:1390 [inline]
 nlmsg_new include/net/netlink.h:1055 [inline]
 rtmsg_fib+0xda/0x440 net/ipv4/fib_semantics.c:584
 fib_table_insert+0xd54/0x1b10 net/ipv4/fib_trie.c:1378
 fib_magic+0x43b/0x530 net/ipv4/fib_frontend.c:1147
 fib_add_ifaddr+0x3e6/0x5d0 net/ipv4/fib_frontend.c:1191
 fib_netdev_event+0x382/0x490 net/ipv4/fib_frontend.c:1529
 notifier_call_chain+0x1a5/0x3d0 kernel/notifier.c:86
 call_netdevice_notifiers_extack net/core/dev.c:2351 [inline]
 call_netdevice_notifiers net/core/dev.c:2365 [inline]
 __dev_notify_flags+0x31e/0x510 net/core/dev.c:10004
 netif_change_flags+0xde/0x1b0 net/core/dev.c:10033
 do_setlink+0xdd6/0x47a0 net/core/rtnetlink.c:3294
 rtnl_changelink net/core/rtnetlink.c:3942 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4113 [inline]
 rtnl_newlink+0x15b0/0x1c30 net/core/rtnetlink.c:4252
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7169
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2576
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x8ef/0xa80 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x7f0/0xb20 net/netlink/af_netlink.c:1920
 sock_sendmsg_nosec+0x14e/0x190 net/socket.c:800
 __sock_sendmsg net/socket.c:818 [inline]
 __sys_sendto+0x408/0x5a0 net/socket.c:2283
 __do_sys_sendto net/socket.c:2290 [inline]
 __se_sys_sendto net/socket.c:2286 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2286
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2401f5fd8e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd4246cf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055559083a500 RCX: 00007f2401f5fd8e
RDX: 000000000000002c RSI: 00007f2402d54670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffd4246cfa4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f2402d54670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10362 jiffies! g20653 f0x0 RCU_GP_WAIT_FQS(5) ->state=I
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=5536
rcu: rcu_preempt kthread starved for 10363 jiffies! g20653 f0x0 RCU_GP_WAIT_FQS(5) ->state=I ->cpu=0
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:I stack:27496 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x1230 kernel/rcu/tree.c:2122
 rcu_gp_kthread+0x9c/0x340 kernel/rcu/tree.c:2330
 kthread+0x38b/0x480 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>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	0-...!: (2 ticks this GP) idle=d33c/1/0x4000000000000000 softirq=19914/19914 fqs=28
rcu: 	(detected by 1, t=10503 jiffies, g=20653, q=878 ncpus=2)
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 5856 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:memset_orig+0x25/0xb0 arch/x86/lib/memset_64.S:64
Code: 90 90 90 90 90 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 48 0f af c1 41 89 f9 41 83 e1 07 75 74 48 89 d1 48 c1 e9 06 <74> 39 66 0f 1f 84 00 00 00 00 00 48 ff c9 48 89 07 48 89 47 08 48
RSP: 0018:ffffc90000007d00 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff888034f97300 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90000007d20
RBP: 0000000000000000 R08: ffffc90000007d2f R09: 0000000000000000
R10: ffffc90000007d20 R11: fffff52000000fa6 R12: 0000000000000001
R13: dffffc0000000000 R14: ffffffff8c0fb680 R15: 0000000000000000
FS:  000055559083a500(0000) GS:ffff888123a6b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000392c16865000 CR3: 0000000077b4e000 CR4: 00000000003526f0
Call Trace:
 <IRQ>
 debug_object_activate+0x38/0x420 lib/debugobjects.c:861
 debug_hrtimer_activate kernel/time/hrtimer.c:486 [inline]
 debug_activate kernel/time/hrtimer.c:529 [inline]
 enqueue_hrtimer+0xa9/0x2c0 kernel/time/hrtimer.c:1137
 __run_hrtimer kernel/time/hrtimer.c:2091 [inline]
 __hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2132
 hrtimer_interrupt+0x4cd/0xaa0 kernel/time/hrtimer.c:2251
 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:lock_acquire+0x232/0x350 kernel/locking/lockdep.c:5947
Code: ff ff ff e8 e0 ca 50 0a f7 44 24 10 00 02 00 00 0f 84 38 ff ff ff 65 48 8b 05 e2 d4 f7 12 48 3b 44 24 50 75 33 fb 48 83 c4 58 <5b> 41 5c 41 5d 41 5e 41 5f 5d e9 7f d2 53 0a cc 48 8d 3d c7 d3 db
RSP: 0018:ffffc9000393e380 EFLAGS: 00000292
RAX: 5222c794268afb00 RBX: 0000000000000000 RCX: 0000000000000046
RDX: 00000000ae8c7df2 RSI: ffffffff8e70fdbc RDI: ffffffff8c6e1780
RBP: ffff8880277dddc0 R08: ffffffff8178699f R09: 0000000000000000
R10: ffffc9000393e4b8 R11: ffffffff81b301f0 R12: ffffffff8fd59ca0
R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000246
 rcu_lock_acquire include/linux/rcupdate.h:309 [inline]
 rcu_read_lock include/linux/rcupdate.h:849 [inline]
 class_rcu_constructor include/linux/rcupdate.h:1216 [inline]
 unwind_next_frame+0xac/0x2550 arch/x86/kernel/unwind_orc.c:495
 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 unpoison_slab_object mm/kasan/common.c:351 [inline]
 __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4683 [inline]
 slab_alloc_node mm/slub.c:4996 [inline]
 kmem_cache_alloc_node_noprof+0x34f/0x600 mm/slub.c:5068
 kmalloc_reserve net/core/skbuff.c:616 [inline]
 __alloc_skb+0x27a/0x7a0 net/core/skbuff.c:716
 alloc_skb include/linux/skbuff.h:1390 [inline]
 nlmsg_new include/net/netlink.h:1055 [inline]
 rtmsg_fib+0xda/0x440 net/ipv4/fib_semantics.c:584
 fib_table_insert+0xd54/0x1b10 net/ipv4/fib_trie.c:1378
 fib_magic+0x43b/0x530 net/ipv4/fib_frontend.c:1147
 fib_add_ifaddr+0x3e6/0x5d0 net/ipv4/fib_frontend.c:1191
 fib_netdev_event+0x382/0x490 net/ipv4/fib_frontend.c:1529
 notifier_call_chain+0x1a5/0x3d0 kernel/notifier.c:86
 call_netdevice_notifiers_extack net/core/dev.c:2351 [inline]
 call_netdevice_notifiers net/core/dev.c:2365 [inline]
 __dev_notify_flags+0x31e/0x510 net/core/dev.c:10004
 netif_change_flags+0xde/0x1b0 net/core/dev.c:10033
 do_setlink+0xdd6/0x47a0 net/core/rtnetlink.c:3294
 rtnl_changelink net/core/rtnetlink.c:3942 [inline]
 __rtnl_newlink net/core/rtnetlink.c:4113 [inline]
 rtnl_newlink+0x15b0/0x1c30 net/core/rtnetlink.c:4252
 rtnetlink_rcv_msg+0x802/0xc00 net/core/rtnetlink.c:7169
 netlink_rcv_skb+0x226/0x4a0 net/netlink/af_netlink.c:2576
 netlink_unicast_kernel net/netlink/af_netlink.c:1335 [inline]
 netlink_unicast+0x8ef/0xa80 net/netlink/af_netlink.c:1361
 netlink_sendmsg+0x7f0/0xb20 net/netlink/af_netlink.c:1920
 sock_sendmsg_nosec+0x14e/0x190 net/socket.c:800
 __sock_sendmsg net/socket.c:818 [inline]
 __sys_sendto+0x408/0x5a0 net/socket.c:2283
 __do_sys_sendto net/socket.c:2290 [inline]
 __se_sys_sendto net/socket.c:2286 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2286
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2401f5fd8e
Code: 08 0f 85 a5 a8 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 <c3> 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 80 00 00 00 00 48 83 ec 08
RSP: 002b:00007ffd4246cf28 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055559083a500 RCX: 00007f2401f5fd8e
RDX: 000000000000002c RSI: 00007f2402d54670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffd4246cfa4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f2402d54670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread timer wakeup didn't happen for 10362 jiffies! g20653 f0x0 RCU_GP_WAIT_FQS(5) ->state=I
rcu: 	Possible timer handling issue on cpu=0 timer-softirq=5536
rcu: rcu_preempt kthread starved for 10363 jiffies! g20653 f0x0 RCU_GP_WAIT_FQS(5) ->state=I ->cpu=0
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:I stack:27496 pid:16    tgid:16    ppid:2      task_flags:0x208040 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5583 [inline]
 __schedule+0x17dd/0x5820 kernel/sched/core.c:7382
 __schedule_loop kernel/sched/core.c:7459 [inline]
 schedule+0x164/0x2b0 kernel/sched/core.c:7474
 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x30c/0x1230 kernel/rcu/tree.c:2122
 rcu_gp_kthread+0x9c/0x340 kernel/rcu/tree.c:2330
 kthread+0x38b/0x480 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>