Extracting prog: 3m4.645728029s
Minimizing prog: 7m54.192371678s
Simplifying prog options: 5m13.331837025s
Extracting C: 2m20.590909149s
Simplifying C: 0s


1 programs, timeouts [30s 1m40s 6m0s]
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair-perf_event_open-perf_event_open-socket$kcm-setsockopt$sock_attach_bpf-close
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
socket$kcm(0xa, 0x5, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x107, 0x14, 0x0, 0x0)
close(0xffffffffffffffff)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair-perf_event_open-perf_event_open-socket$kcm-setsockopt$sock_attach_bpf-close
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
socket$kcm(0xa, 0x5, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x107, 0x14, 0x0, 0x0)
close(0xffffffffffffffff)

program crashed: INFO: rcu detected stall in corrupted
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair-perf_event_open-perf_event_open-socket$kcm-setsockopt$sock_attach_bpf
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
socket$kcm(0xa, 0x5, 0x0)
setsockopt$sock_attach_bpf(0xffffffffffffffff, 0x107, 0x14, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair-perf_event_open-perf_event_open-socket$kcm
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
socket$kcm(0xa, 0x5, 0x0)

program crashed: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair-perf_event_open-perf_event_open
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair-perf_event_open
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)
perf_event_open(0x0, 0x0, 0x0, 0xffffffffffffffff, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socketpair
program did not crash
simplifying guilty program options
testing program (duration=1m40s, {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}}): socketpair
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=1m40s, {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}}): socketpair
program did not crash
testing program (duration=1m40s, {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}}): socketpair
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)

program did not crash
reproducing took 18m13.531194004s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P11 } 2685 jiffies s: 2357 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):

report is corrupted, running repro again
testing program (duration=1m40s, {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}}): socketpair
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing program (duration=1m40s, {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}}): socketpair
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing program (duration=1m40s, {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}}): socketpair
detailed listing:
executing program 0:
socketpair(0x1e, 0x1, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
final repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { P3740 } 2659 jiffies s: 2273 root: 0x0/T
rcu: blocking rcu_node structures (internal RCU debug):