Extracting prog: 3m8.574214326s
Minimizing prog: 1h0m26.346235655s
Simplifying prog options: 0s
Extracting C: 58.055626093s
Simplifying C: 32m52.477041861s


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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program crashed: BUG: soft lockup in corrupted
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX
detailed listing:
executing program 0:
socket$nl_route(0x10, 0x3, 0x0)
r0 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'veth0\x00'})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
socket$inet(0x2, 0x2, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
ioctl$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'veth0\x00', <r1=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'veth0\x00', <r1=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'})
sendmsg$nl_route_sched(r0, 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00'})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={0x0}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0x34, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x4}}]}, 0x34}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xa8, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x78, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x8, 0x2, 0x0, 0x1, [{0x4}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xa8}}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in worker_thread
a never seen crash title: BUG: soft lockup in worker_thread, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false 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$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: unregister_netdevice: waiting for DEV to become free
a never seen crash title: unregister_netdevice: waiting for DEV to become free, ignore
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: BUG: soft lockup in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program crashed: INFO: task hung in del_device_store
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program crashed: INFO: task hung in del_device_store
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket$nl_route(0x10, 0x3, 0x0)
r1 = socket$inet(0x2, 0x2, 0x0)
ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', <r2=>0x0})
sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000240)=@newqdisc={0xc0, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x90, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x20, 0x2, 0x0, 0x1, [{0x1c, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_CMD={0x5}, @TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x1}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x3e8}]}]}, @TCA_TAPRIO_ATTR_SCHED_BASE_TIME={0xc}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xc0}}, 0x0)

program crashed: BUG: soft lockup in corrupted
validation run: crashed=true
reproducing took 1h45m17.759802144s
repro crashed as (corrupted=true):
watchdog: BUG: soft lockup - CPU#1 stuck for 23s! [pr/ttyAMA-1:41]
Modules linked in:
irq event stamp: 27676
hardirqs last  enabled at (27675): [<ffff8000868ea26c>] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline]
hardirqs last  enabled at (27675): [<ffff8000868ea26c>] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62
hardirqs last disabled at (27676): [<ffff8000868e627c>] __el1_irq arch/arm64/kernel/entry-common.c:506 [inline]
hardirqs last disabled at (27676): [<ffff8000868e627c>] el1_interrupt+0x28/0x60 arch/arm64/kernel/entry-common.c:522
softirqs last  enabled at (27542): [<ffff80008030ff44>] softirq_handle_end kernel/softirq.c:468 [inline]
softirqs last  enabled at (27542): [<ffff80008030ff44>] handle_softirqs+0xc28/0xd98 kernel/softirq.c:650
softirqs last disabled at (27473): [<ffff8000800204c0>] __do_softirq+0x14/0x20 kernel/softirq.c:656

report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$inet-ioctl$sock_SIOCGIFINDEX-sendmsg$nl_route_sched
program crashed: WARNING in drm_crtc_wait_one_vblank
final repro crashed as (corrupted=false):
------------[ cut here ]------------
faux_driver vkms: [drm] vblank wait timed out on crtc 0
WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331, CPU#1: kworker/1:4/4805
Modules linked in:
CPU: 1 UID: 0 PID: 4805 Comm: kworker/1:4 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: events drm_fb_helper_damage_work
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331
lr : drm_crtc_wait_one_vblank+0x408/0x440 drivers/gpu/drm/drm_vblank.c:1329
sp : ffff800097477820
x29: ffff8000974778d0 x28: dfff800000000000 x27: ffff0000c7c08080
x26: ffff800097477820 x25: dfff800000000000 x24: ffff700012e8ef04
x23: ffff800086f38400 x22: ffff0000c7a41000 x21: ffff800086fbdbe0
x20: ffff0000c79fa000 x19: 0000000000000000 x18: 1fffe00035bc9e28
x17: 0000000000000003 x16: ffff800088b07000 x15: ffff800088bbd0a0
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000002 x9 : 438443122630d600
x8 : 438443122630d600 x7 : ffff80008048e080 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f8070
x2 : 0000000100000000 x1 : 0000000000000000 x0 : ffff0000c79fa000
Call trace:
 drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331 (P)
 drm_client_modeset_wait_for_vblank+0xc4/0xec drivers/gpu/drm/drm_client_modeset.c:1331
 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline]
 drm_fb_helper_damage_work+0x520/0xbc0 drivers/gpu/drm/drm_fb_helper.c:365
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
irq event stamp: 9726
hardirqs last  enabled at (9725): [<ffff8000868ea26c>] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline]
hardirqs last  enabled at (9725): [<ffff8000868ea26c>] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62
hardirqs last disabled at (9726): [<ffff8000868e6198>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (9648): [<ffff800084c82190>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (9648): [<ffff800084c82190>] rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline]
softirqs last  enabled at (9648): [<ffff800084c82190>] __dev_queue_xmit+0x14cc/0x2bc0 net/core/dev.c:4913
softirqs last disabled at (9628): [<ffff800084c80ec0>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (9628): [<ffff800084c80ec0>] rcu_read_lock_bh include/linux/rcupdate.h:893 [inline]
softirqs last disabled at (9628): [<ffff800084c80ec0>] __dev_queue_xmit+0x1fc/0x2bc0 net/core/dev.c:4796
---[ end trace 0000000000000000 ]---
------------[ cut here ]------------
faux_driver vkms: [drm] vblank wait timed out on crtc 0
WARNING: drivers/gpu/drm/drm_vblank.c:1329 at drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331, CPU#1: kworker/1:4/4805
Modules linked in:
CPU: 1 UID: 0 PID: 4805 Comm: kworker/1:4 Tainted: G        W           syzkaller #0 PREEMPT 
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/02/2026
Workqueue: events drm_fb_helper_damage_work
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331
lr : drm_crtc_wait_one_vblank+0x408/0x440 drivers/gpu/drm/drm_vblank.c:1329
sp : ffff800097477820
x29: ffff8000974778d0 x28: dfff800000000000 x27: ffff0000c7c08080
x26: ffff800097477820 x25: dfff800000000000 x24: ffff700012e8ef04
x23: ffff800086f38400 x22: ffff0000c7a41000 x21: ffff800086fbdbe0
x20: ffff0000c79fa000 x19: 0000000000000000 x18: 1fffe00035bc9e28
x17: 0000000000000003 x16: ffff800088b07000 x15: ffff800088bbd0a0
x14: 0000000000000000 x13: 0000000000000001 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000002 x9 : 438443122630d600
x8 : 438443122630d600 x7 : ffff80008048e080 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f8070
x2 : 0000000100000000 x1 : 0000000000000000 x0 : ffff0000c79fa000
Call trace:
 drm_crtc_wait_one_vblank+0x410/0x440 drivers/gpu/drm/drm_vblank.c:1331 (P)
 drm_client_modeset_wait_for_vblank+0xc4/0xec drivers/gpu/drm/drm_client_modeset.c:1331
 drm_fb_helper_fb_dirty drivers/gpu/drm/drm_fb_helper.c:327 [inline]
 drm_fb_helper_damage_work+0x520/0xbc0 drivers/gpu/drm/drm_fb_helper.c:365
 process_one_work kernel/workqueue.c:3322 [inline]
 process_scheduled_works+0x788/0x10b8 kernel/workqueue.c:3405
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3486
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:842
irq event stamp: 9808
hardirqs last  enabled at (9807): [<ffff8000868ea26c>] irqentry_exit_to_kernel_mode_after_preempt include/linux/irq-entry-common.h:507 [inline]
hardirqs last  enabled at (9807): [<ffff8000868ea26c>] arm64_exit_to_kernel_mode+0x80/0x94 arch/arm64/kernel/entry-common.c:62
hardirqs last disabled at (9808): [<ffff8000868e6198>] el1_brk64+0x20/0x54 arch/arm64/kernel/entry-common.c:425
softirqs last  enabled at (9648): [<ffff800084c82190>] local_bh_enable include/linux/bottom_half.h:33 [inline]
softirqs last  enabled at (9648): [<ffff800084c82190>] rcu_read_unlock_bh include/linux/rcupdate.h:914 [inline]
softirqs last  enabled at (9648): [<ffff800084c82190>] __dev_queue_xmit+0x14cc/0x2bc0 net/core/dev.c:4913
softirqs last disabled at (9628): [<ffff800084c80ec0>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (9628): [<ffff800084c80ec0>] rcu_read_lock_bh include/linux/rcupdate.h:893 [inline]
softirqs last disabled at (9628): [<ffff800084c80ec0>] __dev_queue_xmit+0x1fc/0x2bc0 net/core/dev.c:4796
---[ end trace 0000000000000000 ]---