Extracting prog: 5m4.428234609s
Minimizing prog: 55m44.931692163s
Simplifying prog options: 13m52.302745129s
Extracting C: 2m38.240472461s
Simplifying C: 43m32.049442985s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program crashed: INFO: rcu detected stall in worker_thread
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600))
socket$netlink(0x10, 0x3, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
sendmsg$nl_route_sched(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
socket(0x11, 0x800000003, 0x0)
r0 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r0, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
ioctl$ifreq_SIOCGIFINDEX_team(0xffffffffffffffff, 0x8933, &(0x7f0000000600)={'team0\x00', <r0=>0x0})
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, 0x0)
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, 0x0, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600))
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, 0x0, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600))
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, 0x0}, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600))
r1 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r1, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={0x0}}, 0x0)

program did not crash
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0x34, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in sys_clone
a never seen crash title: INFO: rcu detected stall in sys_clone, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program crashed: INFO: rcu detected stall in worker_thread
extracting C reproducer
testing compiled C program (duration=6m0s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in do_idle
a never seen crash title: INFO: rcu detected stall in do_idle, ignore
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program crashed: INFO: rcu detected stall in vms_gather_munmap_vmas
a never seen crash title: INFO: rcu detected stall in vms_gather_munmap_vmas, ignore
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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
detailed listing:
executing program 0:
r0 = socket(0x11, 0x800000003, 0x0)
ioctl$ifreq_SIOCGIFINDEX_team(r0, 0x8933, &(0x7f0000000600)={'team0\x00', <r1=>0x0})
r2 = socket$netlink(0x10, 0x3, 0x0)
sendmsg$nl_route_sched(r2, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)={&(0x7f0000000200)=@newqdisc={0xa4, 0x24, 0xf0b, 0x0, 0x0, {0x0, 0x0, 0x12, r1, {}, {0xffff, 0xffff}}, [@qdisc_kind_options=@q_taprio={{0xb}, {0x74, 0x2, [@TCA_TAPRIO_ATTR_PRIOMAP={0x56, 0x1, {0x2, [], 0x0, [0x8, 0x4], [0x0, 0x8]}}, @TCA_TAPRIO_ATTR_SCHED_CLOCKID={0x8}, @TCA_TAPRIO_ATTR_SCHED_ENTRY_LIST={0x10, 0x2, 0x0, 0x1, [{0xc, 0x1, 0x0, 0x1, [@TCA_TAPRIO_SCHED_ENTRY_INTERVAL={0x8, 0x4, 0x80}]}]}]}}]}, 0xa4}}, 0x0)

program crashed: INFO: rcu detected stall in worker_thread
extracting 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in do_idle
a never seen crash title: INFO: rcu detected stall in do_idle, ignore
testing compiled C program (duration=6m0s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in smp_call_function
a never seen crash title: INFO: rcu detected stall in smp_call_function, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in corrupted
a never seen crash title: INFO: rcu detected stall in corrupted, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program did not crash
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in sys_newfstatat
a never seen crash title: INFO: rcu detected stall in sys_newfstatat, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in tc_modify_qdisc
a never seen crash title: INFO: rcu detected stall in tc_modify_qdisc, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in worker_thread
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in tc_modify_qdisc
a never seen crash title: INFO: rcu detected stall in tc_modify_qdisc, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket-ioctl$ifreq_SIOCGIFINDEX_team-socket$netlink-sendmsg$nl_route_sched
program crashed: INFO: rcu detected stall in sys_getsockopt
a never seen crash title: INFO: rcu detected stall in sys_getsockopt, ignore
reproducing took 2h0m52.26310662s
repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=382c/1/0x4000000000000000 softirq=11526/11529 fqs=4
rcu: 	(detected by 0, t=10502 jiffies, g=8077, q=542 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 54 Comm: kworker/u8:3 Not tainted 6.14.0-rc5-syzkaller-00214-g21e4543a2e2f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:__lock_acquire+0x32c/0x2100 kernel/locking/lockdep.c:5162
Code: 04 30 84 c0 0f 85 ca 14 00 00 4c 8b a4 24 d0 00 00 00 b8 00 e0 ff ff 23 03 41 81 e6 ff 1f 00 00 44 09 f0 48 89 5c 24 10 89 03 <4a> 8d 5c ef 08 48 89 d8 48 c1 e8 03 80 3c 30 00 74 17 48 89 df e8
RSP: 0018:ffffc90000a28a10 EFLAGS: 00000002
RAX: 00000000000c4832 RBX: ffff88801bbda988 RCX: ffffffff9a651903
RDX: 0000000000000003 RSI: dffffc0000000000 RDI: ffff88801bbda8f0
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2079ecf R12: ffffffff8a04d30b
R13: 000000000000000f R14: 0000000000000832 R15: ffff88806dd24300
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561eed8e3d88 CR3: 00000000326c4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1927
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x658/0xa30 kernel/locking/lockdep.c:5876
Code: 3c 3b 00 74 08 4c 89 f7 e8 15 1b 8c 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90000bf77e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200017ef0e RCX: ffffc90000bf7803
RDX: 0000000000000003 RSI: ffffffff8c2ac500 RDI: ffffffff8c80ff20
RBP: ffffc90000bf7910 R08: ffffffff903cf677 R09: 1ffffffff2079ece
R10: dffffc0000000000 R11: fffffbfff2079ecf R12: 1ffff9200017ef08
R13: 0000000000000246 R14: ffffc90000bf7870 R15: dffffc0000000000
 rcu_lock_release include/linux/rcupdate.h:347 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:771 [inline]
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:825 [inline]
 batadv_iv_ogm_schedule+0x6f3/0x10a0 net/batman-adv/bat_iv_ogm.c:868
 batadv_iv_send_outstanding_bat_ogm_packet+0x6fe/0x810 net/batman-adv/bat_iv_ogm.c:1712
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: rcu_preempt kthread starved for 10492 jiffies! g8077 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26104 pid:18    tgid:18    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2024
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2226
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.14.0-rc5-syzkaller-00214-g21e4543a2e2f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: 8b 3d 74 44 93 0c 48 89 de 5b e9 e3 e5 5b 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 80 d6 03 00 65 8b 15 80 f7 41 7e 81 e2 00 01 ff 00
RSP: 0018:ffffc90000117638 EFLAGS: 00000202
RAX: ffffffff81b5eea5 RBX: 1ffff110170e88f9 RCX: ffff88801ce95a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000117840 R08: ffffffff81b5ee70 R09: 1ffffffff28a9508
R10: dffffc0000000000 R11: fffffbfff28a9509 R12: ffff8880b863fb48
R13: ffff8880b87447c8 R14: ffff8880b863fb40 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561eed8e3d88 CR3: 000000000e938000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 csd_lock_wait kernel/smp.c:340 [inline]
 smp_call_function_many_cond+0x1bc5/0x2d30 kernel/smp.c:885
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2118 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2328
 text_poke_flush arch/x86/kernel/alternative.c:2519 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2526
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate+0xbc/0x260 mm/kfence/core.c:850
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>

final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	1-...!: (1 GPs behind) idle=382c/1/0x4000000000000000 softirq=11526/11529 fqs=4
rcu: 	(detected by 0, t=10502 jiffies, g=8077, q=542 ncpus=2)
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 54 Comm: kworker/u8:3 Not tainted 6.14.0-rc5-syzkaller-00214-g21e4543a2e2f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: bat_events batadv_iv_send_outstanding_bat_ogm_packet
RIP: 0010:__lock_acquire+0x32c/0x2100 kernel/locking/lockdep.c:5162
Code: 04 30 84 c0 0f 85 ca 14 00 00 4c 8b a4 24 d0 00 00 00 b8 00 e0 ff ff 23 03 41 81 e6 ff 1f 00 00 44 09 f0 48 89 5c 24 10 89 03 <4a> 8d 5c ef 08 48 89 d8 48 c1 e8 03 80 3c 30 00 74 17 48 89 df e8
RSP: 0018:ffffc90000a28a10 EFLAGS: 00000002
RAX: 00000000000c4832 RBX: ffff88801bbda988 RCX: ffffffff9a651903
RDX: 0000000000000003 RSI: dffffc0000000000 RDI: ffff88801bbda8f0
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001
R10: dffffc0000000000 R11: fffffbfff2079ecf R12: ffffffff8a04d30b
R13: 000000000000000f R14: 0000000000000832 R15: ffff88806dd24300
FS:  0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561eed8e3d88 CR3: 00000000326c4000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <NMI>
 </NMI>
 <IRQ>
 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154
 spin_lock include/linux/spinlock.h:351 [inline]
 advance_sched+0xab/0xca0 net/sched/sch_taprio.c:924
 __run_hrtimer kernel/time/hrtimer.c:1801 [inline]
 __hrtimer_run_queues+0x59b/0xd30 kernel/time/hrtimer.c:1865
 hrtimer_interrupt+0x403/0xa40 kernel/time/hrtimer.c:1927
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1038 [inline]
 __sysvec_apic_timer_interrupt+0x110/0x420 arch/x86/kernel/apic/apic.c:1055
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1049 [inline]
 sysvec_apic_timer_interrupt+0xa1/0xc0 arch/x86/kernel/apic/apic.c:1049
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702
RIP: 0010:lock_release+0x658/0xa30 kernel/locking/lockdep.c:5876
Code: 3c 3b 00 74 08 4c 89 f7 e8 15 1b 8c 00 f6 84 24 91 00 00 00 02 75 77 41 f7 c5 00 02 00 00 74 01 fb 48 c7 44 24 60 0e 36 e0 45 <4b> c7 04 27 00 00 00 00 4b c7 44 27 08 00 00 00 00 65 48 8b 04 25
RSP: 0018:ffffc90000bf77e0 EFLAGS: 00000206
RAX: 0000000000000001 RBX: 1ffff9200017ef0e RCX: ffffc90000bf7803
RDX: 0000000000000003 RSI: ffffffff8c2ac500 RDI: ffffffff8c80ff20
RBP: ffffc90000bf7910 R08: ffffffff903cf677 R09: 1ffffffff2079ece
R10: dffffc0000000000 R11: fffffbfff2079ecf R12: 1ffff9200017ef08
R13: 0000000000000246 R14: ffffc90000bf7870 R15: dffffc0000000000
 rcu_lock_release include/linux/rcupdate.h:347 [inline]
 rcu_read_unlock include/linux/rcupdate.h:880 [inline]
 batadv_iv_ogm_slide_own_bcast_window net/batman-adv/bat_iv_ogm.c:771 [inline]
 batadv_iv_ogm_schedule_buff net/batman-adv/bat_iv_ogm.c:825 [inline]
 batadv_iv_ogm_schedule+0x6f3/0x10a0 net/batman-adv/bat_iv_ogm.c:868
 batadv_iv_send_outstanding_bat_ogm_packet+0x6fe/0x810 net/batman-adv/bat_iv_ogm.c:1712
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: rcu_preempt kthread starved for 10492 jiffies! g8077 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: 	Unless rcu_preempt kthread gets sufficient CPU time, OOM is now expected behavior.
rcu: RCU grace-period kthread stack dump:
task:rcu_preempt     state:R  running task     stack:26104 pid:18    tgid:18    ppid:2      task_flags:0x208040 flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5378 [inline]
 __schedule+0x190e/0x4c90 kernel/sched/core.c:6765
 __schedule_loop kernel/sched/core.c:6842 [inline]
 schedule+0x14b/0x320 kernel/sched/core.c:6857
 schedule_timeout+0x15a/0x290 kernel/time/sleep_timeout.c:99
 rcu_gp_fqs_loop+0x2df/0x1330 kernel/rcu/tree.c:2024
 rcu_gp_kthread+0xa7/0x3b0 kernel/rcu/tree.c:2226
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 0 UID: 0 PID: 12 Comm: kworker/u8:0 Not tainted 6.14.0-rc5-syzkaller-00214-g21e4543a2e2f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
Workqueue: events_unbound toggle_allocation_gate
RIP: 0010:get_current arch/x86/include/asm/current.h:49 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x8/0x70 kernel/kcov.c:216
Code: 8b 3d 74 44 93 0c 48 89 de 5b e9 e3 e5 5b 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 48 8b 04 24 <65> 48 8b 0c 25 80 d6 03 00 65 8b 15 80 f7 41 7e 81 e2 00 01 ff 00
RSP: 0018:ffffc90000117638 EFLAGS: 00000202
RAX: ffffffff81b5eea5 RBX: 1ffff110170e88f9 RCX: ffff88801ce95a00
RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000000
RBP: ffffc90000117840 R08: ffffffff81b5ee70 R09: 1ffffffff28a9508
R10: dffffc0000000000 R11: fffffbfff28a9509 R12: ffff8880b863fb48
R13: ffff8880b87447c8 R14: ffff8880b863fb40 R15: 0000000000000001
FS:  0000000000000000(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000561eed8e3d88 CR3: 000000000e938000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <IRQ>
 </IRQ>
 <TASK>
 csd_lock_wait kernel/smp.c:340 [inline]
 smp_call_function_many_cond+0x1bc5/0x2d30 kernel/smp.c:885
 on_each_cpu_cond_mask+0x3f/0x80 kernel/smp.c:1052
 on_each_cpu include/linux/smp.h:71 [inline]
 text_poke_sync arch/x86/kernel/alternative.c:2118 [inline]
 text_poke_bp_batch+0x352/0xb30 arch/x86/kernel/alternative.c:2328
 text_poke_flush arch/x86/kernel/alternative.c:2519 [inline]
 text_poke_finish+0x30/0x50 arch/x86/kernel/alternative.c:2526
 arch_jump_label_transform_apply+0x1c/0x30 arch/x86/kernel/jump_label.c:146
 static_key_enable_cpuslocked+0x136/0x260 kernel/jump_label.c:210
 static_key_enable+0x1a/0x20 kernel/jump_label.c:223
 toggle_allocation_gate+0xbc/0x260 mm/kfence/core.c:850
 process_one_work kernel/workqueue.c:3238 [inline]
 process_scheduled_works+0xabe/0x18e0 kernel/workqueue.c:3319
 worker_thread+0x870/0xd30 kernel/workqueue.c:3400
 kthread+0x7a9/0x920 kernel/kthread.c:464
 ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:148
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>