Extracting prog: 7m40.652215803s
Minimizing prog: 1h33m3.841953503s
Simplifying prog options: 25m43.051738832s
Extracting C: 3m47.406664211s
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:namespace 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-mmap
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)={&(0x7f0000000280)=@newqdisc={0x138, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xfc, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7, 0x0, 0x7}}, {0x12, 0x2, [0xa, 0x42b, 0x9, 0x5, 0x5, 0x40, 0xa]}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x138}}, 0x0)
mmap(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x300000c, 0x204031, 0xffffffffffffffff, 0xffffd000)

program crashed: no output from test machine
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x138, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xfc, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7, 0x0, 0x7}}, {0x12, 0x2, [0xa, 0x42b, 0x9, 0x5, 0x5, 0x40, 0xa]}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x138}}, 0x0)

program crashed: INFO: task hung in addrconf_dad_work
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x138, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xfc, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7, 0x0, 0x7}}, {0x12, 0x2, [0xa, 0x42b, 0x9, 0x5, 0x5, 0x40, 0xa]}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x138}}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x138, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r0, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xfc, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7, 0x0, 0x7}}, {0x12, 0x2, [0xa, 0x42b, 0x9, 0x5, 0x5, 0x40, 0xa]}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x138}}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x138, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xfc, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7, 0x0, 0x7}}, {0x12, 0x2, [0xa, 0x42b, 0x9, 0x5, 0x5, 0x40, 0xa]}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x138}}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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}}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x40, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0x4}]}, 0x40}}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in corrupted
extracting C reproducer
testing compiled C program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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=8m52.901079802s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in hci_conn_failed
a never seen crash title: INFO: task hung in hci_conn_failed, ignore
testing program (duration=8m52.901079802s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program did not crash
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in corrupted
extracting C reproducer
testing compiled C program (duration=8m52.901079802s, {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 rescuer_thread
a never seen crash title: INFO: task hung in rescuer_thread, ignore
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: no output from test machine
validation run: crashed=true
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in worker_attach_to_pool
validation run: crashed=true
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in corrupted
validation run: crashed=true
reproducing took 2h42m17.463120455s
repro crashed as (corrupted=true):
INFO: task kworker/R-wg-cr:5859 blocked for more than 143 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:29064 pid:5859  tgid:5859  ppid:2      task_flags:0x4208060 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283

report is corrupted, running repro again
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in corrupted
report is corrupted, running repro again
testing program (duration=8m52.901079802s, {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)={&(0x7f0000000280)=@newqdisc={0x128, 0x24, 0xd0f, 0x0, 0x0, {0x60, 0x0, 0x0, r1, {}, {0xffff, 0xffff}, {0x0, 0xfff2}}, [@qdisc_kind_options=@q_cake={{0x9}, {0xc, 0x2, [@TCA_CAKE_FWMARK={0x8, 0x12, 0xffffffff}]}}, @TCA_STAB={0xec, 0x8, 0x0, 0x1, [{{0x1c, 0x1, {0x2, 0x4, 0x7, 0x4, 0x0, 0x6, 0x3, 0x1}}, {0x6, 0x2, [0x2]}}, {{0x1c, 0x1, {0x1, 0x7, 0x1, 0x7f, 0x1, 0x5, 0xcfc}}, {0x4}}, {{0x1c, 0x1, {0x3b, 0xb, 0xa1, 0x3, 0x2, 0x3, 0x9}}, {0x4}}, {{0x1c, 0x1, {0x5, 0x3, 0x8, 0x7706, 0x0, 0x2, 0xd}}, {0x4}}, {{0x1c, 0x1, {0x80, 0x83, 0x4, 0x1, 0x0, 0xeb, 0x445}}, {0x4}}, {{0x1c, 0x1, {0x6, 0x8, 0x1, 0x3, 0x1, 0x7}}, {0x4}}, {{0x1c, 0x1, {0x1, 0xe, 0x800, 0x7623, 0x2, 0xfffffc00, 0x401, 0x1}}, {0x6, 0x2, [0x8]}}]}]}, 0x128}}, 0x0)

program crashed: INFO: task hung in addrconf_dad_work
final repro crashed as (corrupted=false):
INFO: task kworker/u8:1:13 blocked for more than 151 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:1    state:D stack:23712 pid:13    tgid:13    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7f7/0x1550 kernel/locking/mutex.c:820
 rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
 addrconf_dad_work+0x11e/0x14c0 net/ipv6/addrconf.c:4206
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
 kthread+0x389/0x470 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>
INFO: task kworker/u8:2:36 blocked for more than 183 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:2    state:D stack:23520 pid:36    tgid:36    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound fsnotify_mark_destroy_workfn
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0xc3/0x2c0 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2cc/0x5e0 kernel/sched/completion.c:153
 __synchronize_srcu+0x249/0x300 kernel/rcu/srcutree.c:1496
 fsnotify_mark_destroy_workfn+0x109/0x300 fs/notify/mark.c:1143
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
 kthread+0x389/0x470 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>
INFO: task kworker/u8:7:1026 blocked for more than 183 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/u8:7    state:D stack:23352 pid:1026  tgid:1026  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_timeout+0xc3/0x2c0 kernel/time/sleep_timeout.c:75
 do_wait_for_common kernel/sched/completion.c:100 [inline]
 __wait_for_common kernel/sched/completion.c:121 [inline]
 wait_for_common kernel/sched/completion.c:132 [inline]
 wait_for_completion+0x2cc/0x5e0 kernel/sched/completion.c:153
 __synchronize_srcu+0x249/0x300 kernel/rcu/srcutree.c:1496
 fsnotify_connector_destroy_workfn+0x44/0xa0 fs/notify/mark.c:356
 process_one_work kernel/workqueue.c:3314 [inline]
 process_scheduled_works+0xb5d/0x1860 kernel/workqueue.c:3397
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3478
 kthread+0x389/0x470 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>
INFO: task kworker/0:3:5360 blocked for more than 183 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:kworker/0:3     state:D stack:26440 pid:5360  tgid:5360  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue:  0x0 (wg-crypt-wg2)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7f7/0x1550 kernel/locking/mutex.c:820
 worker_attach_to_pool+0x2e/0x3a0 kernel/workqueue.c:2729
 create_worker+0x540/0x7e0 kernel/workqueue.c:2871
 maybe_create_worker kernel/workqueue.c:3113 [inline]
 manage_workers kernel/workqueue.c:3190 [inline]
 worker_thread+0x4d8/0xfc0 kernel/workqueue.c:3453
 kthread+0x389/0x470 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>
INFO: task syz-executor:5776 blocked for more than 183 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:21720 pid:5776  tgid:5776  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7f7/0x1550 kernel/locking/mutex.c:820
 ieee80211_register_hw+0x388d/0x4a70 net/mac80211/main.c:1558
 mac80211_hwsim_new_radio+0x3335/0x5aa0 drivers/net/wireless/virtual/mac80211_hwsim.c:6019
 hwsim_new_radio_nl+0xf6a/0x1c00 drivers/net/wireless/virtual/mac80211_hwsim.c:6726
 genl_family_rcv_msg_doit+0x22a/0x330 net/netlink/genetlink.c:1114
 genl_family_rcv_msg net/netlink/genetlink.c:1194 [inline]
 genl_rcv_msg+0x61c/0x7a0 net/netlink/genetlink.c:1209
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 genl_rcv+0x28/0x40 net/netlink/genetlink.c:1218
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 __sys_sendto+0x672/0x710 net/socket.c:2265
 __do_sys_sendto net/socket.c:2272 [inline]
 __se_sys_sendto net/socket.c:2268 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2268
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fdf4035d68e
RSP: 002b:00007ffc12a15ef8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 0000555582750500 RCX: 00007fdf4035d68e
RDX: 0000000000000024 RSI: 00007fdf41144670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffc12a15f74 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007fdf41144670 R15: 0000000000000000
 </TASK>
INFO: task syz-executor:5783 blocked for more than 158 seconds.
      Not tainted syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor    state:D stack:22288 pid:5783  tgid:5783  ppid:1      task_flags:0x400140 flags:0x00080002
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7f7/0x1550 kernel/locking/mutex.c:820
 rtnl_lock net/core/rtnetlink.c:80 [inline]
 rtnetlink_rcv_msg+0x722/0xbe0 net/core/rtnetlink.c:7003
 netlink_rcv_skb+0x232/0x4b0 net/netlink/af_netlink.c:2550
 netlink_unicast_kernel net/netlink/af_netlink.c:1318 [inline]
 netlink_unicast+0x75c/0x8e0 net/netlink/af_netlink.c:1344
 netlink_sendmsg+0x813/0xb40 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:787 [inline]
 __sock_sendmsg net/socket.c:802 [inline]
 __sys_sendto+0x672/0x710 net/socket.c:2265
 __do_sys_sendto net/socket.c:2272 [inline]
 __se_sys_sendto net/socket.c:2268 [inline]
 __x64_sys_sendto+0xde/0x100 net/socket.c:2268
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x15f/0x560 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7faefcb5d68e
RSP: 002b:00007ffff98537e8 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055555a347500 RCX: 00007faefcb5d68e
RDX: 0000000000000020 RSI: 00007faefd944670 RDI: 0000000000000005
RBP: 0000000000000001 R08: 00007ffff9853864 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000005
R13: 00007ffff98538cc R14: 00007faefd944670 R15: 0000000000000000
 </TASK>
INFO: task kworker/R-wg-cr:5843 blocked for more than 186 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:29832 pid:5843  tgid:5843  ppid:2      task_flags:0x4208060 flags:0x00080000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189
 __schedule_loop kernel/sched/core.c:7268 [inline]
 schedule+0x164/0x360 kernel/sched/core.c:7283
 schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:7340
 __mutex_lock_common kernel/locking/mutex.c:726 [inline]
 __mutex_lock+0x7f7/0x1550 kernel/locking/mutex.c:820
 worker_attach_to_pool+0x2e/0x3a0 kernel/workqueue.c:2729
 rescuer_thread+0x35c/0x1130 kernel/workqueue.c:3614
 kthread+0x389/0x470 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>
INFO: task kworker/R-wg-cr:5845 blocked for more than 186 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:26016 pid:5845  tgid:5845  ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue:  0x0 (wg-crypt-wg2)
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5388 [inline]
 __schedule+0x1821/0x5740 kernel/sched/core.c:7189