Extracting prog: 4m42.287195315s Minimizing prog: 56m18.44507708s Simplifying prog options: 7m7.395106285s Extracting C: 4m5.829111016s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: INFO: rcu detected stall in inet_rtm_newaddr 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)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 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$sock_SIOCGIFINDEX(0xffffffffffffffff, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine 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$sock_SIOCGIFINDEX(r0, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 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)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@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 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: INFO: rcu detected stall in worker_thread a never seen crash title: INFO: rcu detected stall in worker_thread, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: INFO: rcu detected stall in worker_thread a never seen crash title: INFO: rcu detected stall in worker_thread, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: INFO: rcu detected stall in sys_epoll_wait a never seen crash title: INFO: rcu detected stall in sys_epoll_wait, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: no output from test machine validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: INFO: rcu detected stall in corrupted validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$nl_route-socket$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$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000300)={'veth0\x00', 0x0}) sendmsg$nl_route_sched(r0, &(0x7f00000001c0)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000000)=@newqdisc={0xac, 0x24, 0x601, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x7c, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x1, [], 0x0, [0x1]}}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x18, 0x2, 0x0, 0x1, [{0x14, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_GATE_MASK={0x8, 0x3, 0x31dd}, @TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x484}]}]}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}]}}]}, 0xac}}, 0x0) program crashed: INFO: rcu detected stall in x64_sys_call validation run: crashed=true reproducing took 1h23m35.161950452s repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (1 GPs behind) idle=3164/1/0x4000000000000000 softirq=17652/17675 fqs=5 rcu: (detected by 1, t=10502 jiffies, g=17929, q=1002 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5999 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline] RIP: 0010:lock_acquire+0x10a/0x350 kernel/locking/lockdep.c:5870 Code: 02 00 00 41 0f 94 c1 4c 89 ef 89 de 8b 54 24 04 44 89 e1 45 89 f0 6a 00 6a 00 6a 00 55 ff 74 24 30 e8 da 02 00 00 48 83 c4 28 <48> c7 c7 ad 23 4b 8e e8 3a ec 2f 0a b8 ff ff ff ff 65 0f c1 05 9d RSP: 0018:ffffc90000007c80 EFLAGS: 00000092 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000048000 RDX: 00000000cc75d9ef RSI: 00000000b6ae070c RDI: ffff888027058000 RBP: ffffffff84de9104 R08: ffffffff84de9104 R09: 0000000000080000 R10: 0000000000008000 R11: ffffffff8f36b380 R12: 0000000000000000 R13: ffffffff8f36b380 R14: 0000000000000001 R15: 0000000000000046 FS: 0000000000000000(0000) GS:ffff888124f49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fadc8b71e9c CR3: 000000000e946000 CR4: 00000000003526f0 Call Trace: debug_objects_fill_pool lib/debugobjects.c:779 [inline] debug_object_activate+0x384/0x420 lib/debugobjects.c:869 debug_hrtimer_activate kernel/time/hrtimer.c:485 [inline] debug_activate kernel/time/hrtimer.c:528 [inline] enqueue_hrtimer+0xa9/0x2c0 kernel/time/hrtimer.c:1109 __run_hrtimer kernel/time/hrtimer.c:2048 [inline] __hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2096 hrtimer_interrupt+0x448/0x910 kernel/time/hrtimer.c:2215 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline] __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:kasan_check_range+0x1c8/0x2c0 mm/kasan/generic.c:200 Code: 49 01 dc 4d 01 f3 49 8d 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 0e 41 80 3b 00 75 7c 49 ff c3 49 ff cc 75 f2 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 45 84 ff 0f 85 a1 00 RSP: 0018:ffffc900038672d0 EFLAGS: 00000256 RAX: ffffc90003867701 RBX: 0000000000000010 RCX: ffffffff81778ef4 RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90003867418 RBP: 0000000000000000 R08: ffffc90003867427 R09: 1ffff9200070ce84 R10: dffffc0000000000 R11: fffff5200070ce85 R12: 0000000000000002 R13: ffffffff90fcee8a R14: fffff5200070ce85 R15: 1ffff9200070ce83 __asan_memset+0x22/0x50 mm/kasan/shadow.c:84 unwind_next_frame+0xd04/0x2550 arch/x86/kernel/unwind_orc.c:621 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4584 [inline] slab_alloc_node mm/slub.c:4917 [inline] kmem_cache_alloc_noprof+0x2a0/0x5f0 mm/slub.c:4931 kmem_alloc_batch lib/debugobjects.c:371 [inline] fill_pool+0x165/0x610 lib/debugobjects.c:420 debug_objects_fill_pool lib/debugobjects.c:780 [inline] debug_object_activate+0x38d/0x420 lib/debugobjects.c:869 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline] __call_rcu_common kernel/rcu/tree.c:3144 [inline] call_rcu+0x43/0x8b0 kernel/rcu/tree.c:3279 slab_free_hook mm/slub.c:2641 [inline] slab_free mm/slub.c:6377 [inline] kmem_cache_free+0x462/0x650 mm/slub.c:6504 tear_down_vmas+0x312/0x520 mm/mmap.c:1262 exit_mmap+0x4ca/0x9f0 mm/mmap.c:1320 __mmput+0x118/0x420 kernel/fork.c:1187 exit_mm+0x221/0x2d0 kernel/exit.c:615 do_exit+0x6cd/0x2360 kernel/exit.c:997 do_group_exit+0x22d/0x2f0 kernel/exit.c:1152 __do_sys_exit_group kernel/exit.c:1163 [inline] __se_sys_exit_group kernel/exit.c:1161 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1161 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fadc8cd06c5 Code: Unable to access opcode bytes at 0x7fadc8cd069b. RSP: 002b:00007ffc8ba15398 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fadc8dd1fe8 RCX: 00007fadc8cd06c5 RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 RBP: 0000000000000001 R08: 00007ffc8ba15328 R09: 0000000000000000 R10: 00007ffc8ba151c0 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fadc8dd0680 R15: 00007fadc8dd2000 rcu: rcu_preempt kthread starved for 10491 jiffies! g17929 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28192 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7326 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 70 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0x11e6/0x15f0 kernel/smp.c:912 Code: c0 75 7a 41 8b 1e 89 de 83 e6 01 31 ff e8 e2 1e 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 8e 1a 0c 00 eb 37 f3 90 <41> 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 73 1a 0c RSP: 0018:ffffc900015f7700 EFLAGS: 00000293 RAX: ffffffff81bae6ed RBX: dffffc0000000000 RCX: ffff88801dffbe00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900015f7860 R08: ffffffff90578f37 R09: 1ffffffff20af1e6 R10: dffffc0000000000 R11: fffffbfff20af1e7 R12: 1ffff110170c85fd R13: ffff8880b873c448 R14: ffff8880b8642fe8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125049000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000300 CR3: 000000000e946000 CR4: 00000000003526f0 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1077 on_each_cpu include/linux/smp.h:72 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2773 [inline] smp_text_poke_batch_finish+0x5fd/0x1110 arch/x86/kernel/alternative.c:2983 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x128/0x240 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate+0xab/0x290 mm/kfence/core.c:911 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 final repro crashed as (corrupted=false): rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: rcu: 0-...!: (1 GPs behind) idle=3164/1/0x4000000000000000 softirq=17652/17675 fqs=5 rcu: (detected by 1, t=10502 jiffies, g=17929, q=1002 ncpus=2) Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 UID: 0 PID: 5999 Comm: modprobe Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:lockdep_recursion_finish kernel/locking/lockdep.c:470 [inline] RIP: 0010:lock_acquire+0x10a/0x350 kernel/locking/lockdep.c:5870 Code: 02 00 00 41 0f 94 c1 4c 89 ef 89 de 8b 54 24 04 44 89 e1 45 89 f0 6a 00 6a 00 6a 00 55 ff 74 24 30 e8 da 02 00 00 48 83 c4 28 <48> c7 c7 ad 23 4b 8e e8 3a ec 2f 0a b8 ff ff ff ff 65 0f c1 05 9d RSP: 0018:ffffc90000007c80 EFLAGS: 00000092 RAX: 0000000000000001 RBX: 0000000000000000 RCX: 0000000000048000 RDX: 00000000cc75d9ef RSI: 00000000b6ae070c RDI: ffff888027058000 RBP: ffffffff84de9104 R08: ffffffff84de9104 R09: 0000000000080000 R10: 0000000000008000 R11: ffffffff8f36b380 R12: 0000000000000000 R13: ffffffff8f36b380 R14: 0000000000000001 R15: 0000000000000046 FS: 0000000000000000(0000) GS:ffff888124f49000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fadc8b71e9c CR3: 000000000e946000 CR4: 00000000003526f0 Call Trace: debug_objects_fill_pool lib/debugobjects.c:779 [inline] debug_object_activate+0x384/0x420 lib/debugobjects.c:869 debug_hrtimer_activate kernel/time/hrtimer.c:485 [inline] debug_activate kernel/time/hrtimer.c:528 [inline] enqueue_hrtimer+0xa9/0x2c0 kernel/time/hrtimer.c:1109 __run_hrtimer kernel/time/hrtimer.c:2048 [inline] __hrtimer_run_queues+0x4ce/0xa10 kernel/time/hrtimer.c:2096 hrtimer_interrupt+0x448/0x910 kernel/time/hrtimer.c:2215 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1051 [inline] __sysvec_apic_timer_interrupt+0x102/0x430 arch/x86/kernel/apic/apic.c:1068 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline] sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1062 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674 RIP: 0010:kasan_check_range+0x1c8/0x2c0 mm/kasan/generic.c:200 Code: 49 01 dc 4d 01 f3 49 8d 5c 24 07 4d 85 e4 49 0f 49 dc 48 83 e3 f8 49 29 dc 74 0e 41 80 3b 00 75 7c 49 ff c3 49 ff cc 75 f2 5b <41> 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc 45 84 ff 0f 85 a1 00 RSP: 0018:ffffc900038672d0 EFLAGS: 00000256 RAX: ffffc90003867701 RBX: 0000000000000010 RCX: ffffffff81778ef4 RDX: 0000000000000001 RSI: 0000000000000010 RDI: ffffc90003867418 RBP: 0000000000000000 R08: ffffc90003867427 R09: 1ffff9200070ce84 R10: dffffc0000000000 R11: fffff5200070ce85 R12: 0000000000000002 R13: ffffffff90fcee8a R14: fffff5200070ce85 R15: 1ffff9200070ce83 __asan_memset+0x22/0x50 mm/kasan/shadow.c:84 unwind_next_frame+0xd04/0x2550 arch/x86/kernel/unwind_orc.c:621 arch_stack_walk+0x11b/0x150 arch/x86/kernel/stacktrace.c:25 stack_trace_save+0xa9/0x100 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:57 [inline] kasan_save_track+0x3e/0x80 mm/kasan/common.c:78 unpoison_slab_object mm/kasan/common.c:340 [inline] __kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:366 kasan_slab_alloc include/linux/kasan.h:253 [inline] slab_post_alloc_hook mm/slub.c:4584 [inline] slab_alloc_node mm/slub.c:4917 [inline] kmem_cache_alloc_noprof+0x2a0/0x5f0 mm/slub.c:4931 kmem_alloc_batch lib/debugobjects.c:371 [inline] fill_pool+0x165/0x610 lib/debugobjects.c:420 debug_objects_fill_pool lib/debugobjects.c:780 [inline] debug_object_activate+0x38d/0x420 lib/debugobjects.c:869 debug_rcu_head_queue kernel/rcu/rcu.h:236 [inline] __call_rcu_common kernel/rcu/tree.c:3144 [inline] call_rcu+0x43/0x8b0 kernel/rcu/tree.c:3279 slab_free_hook mm/slub.c:2641 [inline] slab_free mm/slub.c:6377 [inline] kmem_cache_free+0x462/0x650 mm/slub.c:6504 tear_down_vmas+0x312/0x520 mm/mmap.c:1262 exit_mmap+0x4ca/0x9f0 mm/mmap.c:1320 __mmput+0x118/0x420 kernel/fork.c:1187 exit_mm+0x221/0x2d0 kernel/exit.c:615 do_exit+0x6cd/0x2360 kernel/exit.c:997 do_group_exit+0x22d/0x2f0 kernel/exit.c:1152 __do_sys_exit_group kernel/exit.c:1163 [inline] __se_sys_exit_group kernel/exit.c:1161 [inline] __x64_sys_exit_group+0x3f/0x40 kernel/exit.c:1161 x64_sys_call+0x221a/0x2240 arch/x86/include/generated/asm/syscalls_64.h:232 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fadc8cd06c5 Code: Unable to access opcode bytes at 0x7fadc8cd069b. RSP: 002b:00007ffc8ba15398 EFLAGS: 00000202 ORIG_RAX: 00000000000000e7 RAX: ffffffffffffffda RBX: 00007fadc8dd1fe8 RCX: 00007fadc8cd06c5 RDX: 00000000000000e7 RSI: ffffffffffffff88 RDI: 0000000000000001 RBP: 0000000000000001 R08: 00007ffc8ba15328 R09: 0000000000000000 R10: 00007ffc8ba151c0 R11: 0000000000000202 R12: 0000000000000000 R13: 0000000000000001 R14: 00007fadc8dd0680 R15: 00007fadc8dd2000 rcu: rcu_preempt kthread starved for 10491 jiffies! g17929 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 rcu: Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior. rcu: RCU grace-period kthread stack dump: task:rcu_preempt state:R running task stack:28192 pid:16 tgid:16 ppid:2 task_flags:0x208040 flags:0x00080000 Call Trace: context_switch kernel/sched/core.c:5510 [inline] __schedule+0x17d9/0x56c0 kernel/sched/core.c:7234 __schedule_loop kernel/sched/core.c:7311 [inline] schedule+0x164/0x2b0 kernel/sched/core.c:7326 schedule_timeout+0x152/0x2c0 kernel/time/sleep_timeout.c:99 rcu_gp_fqs_loop+0x30c/0x11f0 kernel/rcu/tree.c:2123 rcu_gp_kthread+0x9e/0x2b0 kernel/rcu/tree.c:2325 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 rcu: Stack dump where RCU GP kthread last ran: CPU: 1 UID: 0 PID: 70 Comm: kworker/u8:4 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: events_unbound toggle_allocation_gate RIP: 0010:csd_lock_wait kernel/smp.c:342 [inline] RIP: 0010:smp_call_function_many_cond+0x11e6/0x15f0 kernel/smp.c:912 Code: c0 75 7a 41 8b 1e 89 de 83 e6 01 31 ff e8 e2 1e 0c 00 83 e3 01 48 bb 00 00 00 00 00 fc ff df 75 07 e8 8e 1a 0c 00 eb 37 f3 90 <41> 0f b6 04 1c 84 c0 75 10 41 f7 06 01 00 00 00 74 1e e8 73 1a 0c RSP: 0018:ffffc900015f7700 EFLAGS: 00000293 RAX: ffffffff81bae6ed RBX: dffffc0000000000 RCX: ffff88801dffbe00 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000 RBP: ffffc900015f7860 R08: ffffffff90578f37 R09: 1ffffffff20af1e6 R10: dffffc0000000000 R11: fffffbfff20af1e7 R12: 1ffff110170c85fd R13: ffff8880b873c448 R14: ffff8880b8642fe8 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff888125049000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000200000000300 CR3: 000000000e946000 CR4: 00000000003526f0 Call Trace: on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1077 on_each_cpu include/linux/smp.h:72 [inline] smp_text_poke_sync_each_cpu arch/x86/kernel/alternative.c:2773 [inline] smp_text_poke_batch_finish+0x5fd/0x1110 arch/x86/kernel/alternative.c:2983 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146 static_key_enable_cpuslocked+0x128/0x240 kernel/jump_label.c:210 static_key_enable+0x1a/0x20 kernel/jump_label.c:223 toggle_allocation_gate+0xab/0x290 mm/kfence/core.c:911 process_one_work kernel/workqueue.c:3322 [inline] process_scheduled_works+0xa8e/0x14e0 kernel/workqueue.c:3405 worker_thread+0xa47/0xfb0 kernel/workqueue.c:3486 kthread+0x388/0x470 kernel/kthread.c:436 ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245