Extracting prog: 9m18.701251145s
Minimizing prog: 50m1.658123657s
Simplifying prog options: 11m21.388056054s
Extracting C: 4m21.464756149s
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program crashed: INFO: task hung in synchronize_rcu
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00'})

program did not crash
testing program (duration=6m9.121118335s, {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-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000240)={'lo\x00', <r0=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00'})
sendmsg$nl_route_sched(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00'})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00'})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={0x0}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x48, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x4}]}, 0x48}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: INFO: task hung in worker_attach_to_pool
a never seen crash title: INFO: task hung in worker_attach_to_pool, ignore
simplifying guilty program options
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program crashed: INFO: task hung in hci_dev_open_sync
a never seen crash title: INFO: task hung in hci_dev_open_sync, ignore
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program did not crash
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program crashed: INFO: task hung in corrupted
validation run: crashed=true
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program crashed: INFO: task hung in worker_attach_to_pool
validation run: crashed=true
testing program (duration=6m9.121118335s, {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-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000240)={'lo\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f0000000000)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000009040)=@newqdisc={0x15c, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_cake={{0x9}, {0x14, 0x2, [@TCA_CAKE_DIFFSERV_MODE={0x8, 0x3, 0x1}, @TCA_CAKE_RTT={0x8, 0x7, 0x401}]}}, @TCA_STAB={0x118, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x0, 0x2, 0x98b4, 0x5, 0x1, 0x6, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x80, 0x3, 0x0, 0x0, 0x80000001, 0x1ff}}, {0x4}}, {{0x1c, 0x1, {0x1, 0x1c, 0x9, 0x40000, 0x2, 0x200, 0x80000001}}, {0x4}}, {{0x1c, 0x1, {0x51, 0x4, 0x1000, 0xfffffff8, 0x2, 0x2, 0x3, 0x1}}, {0x6, 0x2, [0xdac]}}, {{0x1c, 0x1, {0x4, 0x16, 0x8, 0x0, 0x1, 0x401, 0x4, 0x2}}, {0x8, 0x2, [0x40, 0x9]}}, {{0x1c, 0x1, {0x3, 0x11, 0x40ba, 0x8, 0x0, 0x9, 0x2, 0x2}}, {0x8, 0x2, [0x1, 0x1]}}, {{0x1c, 0x1, {0xc, 0x1, 0x7, 0x7, 0x0, 0xb, 0xbb, 0x2}}, {0x8, 0x2, [0x7, 0x5]}}, {{0x1c, 0x1, {0x1, 0x0, 0x3, 0x26c99bf7, 0x2, 0xffff8262, 0x8001, 0x2}}, {0x8, 0x2, [0x4, 0x1a73]}}]}]}, 0x15c}, 0x1, 0x0, 0x0, 0x40}, 0x0)

program crashed: INFO: task hung in rescuer_thread
validation run: crashed=true
reproducing took 1h28m20.890227878s
repro crashed as (corrupted=false):
INFO: task kworker/R-wg-cr:5992 blocked for more than 149 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/R-wg-cr state:D stack:25984 pid:5992  tgid:5992  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue:  0x0 (wg-crypt-wg1)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0x14ea/0x5050 kernel/sched/core.c:6867
 __schedule_loop kernel/sched/core.c:6949 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:6964
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776
 worker_detach_from_pool kernel/workqueue.c:2730 [inline]
 rescuer_thread+0x593/0x1390 kernel/workqueue.c:3560
 kthread+0x726/0x8b0 kernel/kthread.c:463
 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

Showing all locks held in the system:
1 lock held by kworker/R-rcu_g/4:
 #0: ffffffff8e3f8c88 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
 #0: ffffffff8e3f8c88 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x593/0x1390 kernel/workqueue.c:3560

final repro crashed as (corrupted=false):
INFO: task kworker/R-wg-cr:5992 blocked for more than 149 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/R-wg-cr state:D stack:25984 pid:5992  tgid:5992  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue:  0x0 (wg-crypt-wg1)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5260 [inline]
 __schedule+0x14ea/0x5050 kernel/sched/core.c:6867
 __schedule_loop kernel/sched/core.c:6949 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:6964
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7021
 __mutex_lock_common kernel/locking/mutex.c:692 [inline]
 __mutex_lock+0x7fe/0x1300 kernel/locking/mutex.c:776
 worker_detach_from_pool kernel/workqueue.c:2730 [inline]
 rescuer_thread+0x593/0x1390 kernel/workqueue.c:3560
 kthread+0x726/0x8b0 kernel/kthread.c:463
 ret_from_fork+0x51b/0xa40 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
 </TASK>

Showing all locks held in the system:
1 lock held by kworker/R-rcu_g/4:
 #0: ffffffff8e3f8c88 (wq_pool_attach_mutex){+.+.}-{4:4}, at: worker_detach_from_pool kernel/workqueue.c:2730 [inline]
 #0: ffffffff8e3f8c88 (wq_pool_attach_mutex){+.+.}-{4:4}, at: rescuer_thread+0x593/0x1390 kernel/workqueue.c:3560