Extracting prog: 10m15.820575516s
Minimizing prog: 1h28m30.276736575s
Simplifying prog options: 13m56.360221672s
Extracting C: 5m15.619065142s
Simplifying C: 0s


extracting reproducer from 45 programs
testing a last program of every proc
single: executing 10 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): syz_open_dev$vim2m-ioctl$vim2m_VIDIOC_REQBUFS-ioctl$vim2m_VIDIOC_PREPARE_BUF
detailed listing:
executing program 0:
r0 = syz_open_dev$vim2m(&(0x7f0000000080), 0x40000002005, 0x2)
ioctl$vim2m_VIDIOC_REQBUFS(r0, 0xc0145608, &(0x7f0000000140)={0x7, 0x1, 0x2})
ioctl$vim2m_VIDIOC_PREPARE_BUF(r0, 0xc058565d, &(0x7f0000002dc0)=@userptr={0x2, 0x1, 0x4, 0x800, 0x3, {}, {0x1, 0xc, 0x9, 0xc, 0x6, 0x8, "bf240fef"}, 0x3, 0x2, {0x0}, 0x96000})

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-gettid-timer_settime-mq_open-mq_timedsend-mq_timedsend-bpf$BPF_BTF_LOAD
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
gettid()
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
r2 = mq_open(0x0, 0x6e93ebbbcc0884f2, 0x2, &(0x7f0000000300)={0x0, 0x1, 0x6})
mq_timedsend(r2, 0x0, 0x0, 0x0, 0x0)
mq_timedsend(r2, 0x0, 0x0, 0xff7f000000000000, 0x0)
bpf$BPF_BTF_LOAD(0x12, &(0x7f0000000500)={&(0x7f00000005c0)=ANY=[@ANYBLOB="9feb010018000000000000004c0000004c0000000200000000000000000000030000000002000000020000000000000000000000000000010500"], 0x0, 0x66, 0x0, 0x1}, 0x28)

program crashed: INFO: rcu detected stall in worker_thread
single: successfully extracted reproducer
found reproducer with 18 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-gettid-timer_settime-mq_open-mq_timedsend-mq_timedsend
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
gettid()
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
r2 = mq_open(0x0, 0x6e93ebbbcc0884f2, 0x2, &(0x7f0000000300)={0x0, 0x1, 0x6})
mq_timedsend(r2, 0x0, 0x0, 0x0, 0x0)
mq_timedsend(r2, 0x0, 0x0, 0xff7f000000000000, 0x0)

program crashed: INFO: task hung in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-gettid-timer_settime-mq_open-mq_timedsend
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
gettid()
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
r2 = mq_open(0x0, 0x6e93ebbbcc0884f2, 0x2, &(0x7f0000000300)={0x0, 0x1, 0x6})
mq_timedsend(r2, 0x0, 0x0, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-gettid-timer_settime-mq_open
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
gettid()
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)
mq_open(0x0, 0x6e93ebbbcc0884f2, 0x2, &(0x7f0000000300)={0x0, 0x1, 0x6})

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-gettid-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
gettid()
timer_settime(0x0, 0x0, &(0x7f0000000280)={{0x0, 0x989680}, {0x0, 0x989680}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-gettid
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
gettid()

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE-syz_open_dev$MSR
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity-prctl$PR_SCHED_CORE
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)
prctl$PR_SCHED_CORE(0x3e, 0x4000000000001, 0x0, 0x1, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime-sched_setaffinity
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)
sched_setaffinity(0x0, 0x8, &(0x7f0000000280)=0x2)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in worker_thread
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-readv
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
r0 = signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
readv(r0, &(0x7f00000001c0)=[{0x0}, {&(0x7f0000001800)=""/4104, 0x1008}], 0x2)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-signalfd4-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
signalfd4(0xffffffffffffffff, &(0x7f0000000000)={[0xfffffffffffffffb]}, 0x8, 0x0)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-prlimit64-sched_setscheduler-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 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:4 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}}): write$dsp-socket$netlink-prlimit64-timer_create-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-socket$netlink-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
socket$netlink(0x10, 0x3, 0x4)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): write$dsp-prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
write$dsp(0xffffffffffffffff, 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, 0x0, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, 0x0)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, 0x0, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, 0x0)
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
simplifying guilty program options
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing 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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in do_faccessat
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
validation run: crashed=true
reproducing took 2h6m24.259948156s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=12897, q=735 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10493 (4294965748-4294955255), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10494 jiffies! g12897 f0x2 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:27656 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1553/0x45a0 kernel/sched/core.c:6700
 schedule+0xbd/0x170 kernel/sched/core.c:6774
 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x313/0x1590 kernel/rcu/tree.c:1667
 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
CPU: 1 PID: 5987 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ea 97 d8 f6 48 89 df e8 a2 6c d9 f6 e8 1d 7f fd f6 fb bf 01 00 00 00 <e8> 82 73 cc f6 65 8b 05 c3 a0 73 75 85 c0 74 02 5b c3 e8 40 88 70
RSP: 0018:ffffc90003887c78 EFLAGS: 00000286
RAX: 18094224ce106600 RBX: ffff88805e469bc0 RCX: 18094224ce106600
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffff88805e469e58 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: 1ffff1100bc8d3cb
R13: 0000000000000011 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055556987d500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2e163fff CR3: 000000002b5be000 CR4: 00000000003506e0
Call Trace:
 <TASK>
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x11f5/0x13f0 kernel/signal.c:2905
 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f387899cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fff48019d58 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f3878c15fa0 RCX: 00007f387899cdd9
RDX: 0000200000000240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f3878a32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3878c15fac R14: 00007f3878c15fa0 R15: 00007f3878c15fa0
 </TASK>

report is corrupted, running repro again
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program did not crash
report is corrupted, running repro again
testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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}}): prlimit64-sched_setscheduler-timer_create-timer_settime
detailed listing:
executing program 0:
prlimit64(0x0, 0xe, &(0x7f00000000c0)={0x8, 0x8000}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f0000000640)=0x2)
timer_create(0x0, &(0x7f0000000080)={0x0, 0x11, 0x0, @thr={0x0, 0x0}}, &(0x7f00000000c0))
timer_settime(0x0, 0x0, &(0x7f0000000240)={{0x0, 0x8}, {0x0, 0x9}}, 0x0)

program crashed: INFO: rcu detected stall in syscall_exit_to_user_mode
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5924/2:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=13349, q=374 ncpus=2)
task:kworker/u4:5    state:R  running task     stack:23920 pid:5924  ppid:2      flags:0x00004000
Workqueue: ipv6_addrconf addrconf_dad_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1553/0x45a0 kernel/sched/core.c:6700
 preempt_schedule_common+0x82/0xc0 kernel/sched/core.c:6867
 preempt_schedule+0xc0/0xd0 kernel/sched/core.c:6891
 preempt_schedule_thunk+0x1a/0x30 arch/x86/entry/thunk_64.S:45
 __local_bh_enable_ip+0x14b/0x1c0 kernel/softirq.c:413
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 rcu_read_unlock_bh include/linux/rcupdate.h:856 [inline]
 __dev_queue_xmit+0x1b2c/0x3660 net/core/dev.c:4490
 neigh_output include/net/neighbour.h:543 [inline]
 ip6_finish_output2+0xe3d/0x1630 net/ipv6/ip6_output.c:141
 dst_output include/net/dst.h:467 [inline]
 NF_HOOK include/linux/netfilter.h:304 [inline]
 ndisc_send_skb+0xc26/0x14f0 net/ipv6/ndisc.c:513
 ndisc_send_ns+0xd8/0x160 net/ipv6/ndisc.c:671
 addrconf_dad_work+0xa51/0x1530 net/ipv6/addrconf.c:4264
 process_one_work kernel/workqueue.c:2653 [inline]
 process_scheduled_works+0xa5d/0x15d0 kernel/workqueue.c:2730
 worker_thread+0xa55/0xfc0 kernel/workqueue.c:2811
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: rcu_preempt kthread starved for 10537 jiffies! g13349 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:27656 pid:17    ppid:2      flags:0x00004000
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5381 [inline]
 __schedule+0x1553/0x45a0 kernel/sched/core.c:6700
 schedule+0xbd/0x170 kernel/sched/core.c:6774
 schedule_timeout+0x188/0x2d0 kernel/time/timer.c:2168
 rcu_gp_fqs_loop+0x313/0x1590 kernel/rcu/tree.c:1667
 rcu_gp_kthread+0x9d/0x3b0 kernel/rcu/tree.c:1866
 kthread+0x2fa/0x390 kernel/kthread.c:388
 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:152
 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:293
 </TASK>
rcu: Stack dump where RCU GP kthread last ran:
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 6023 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:check_preemption_disabled+0x6/0x110 lib/smp_processor_id.c:13
Code: cc cc cc cc f3 0f 1e fa 48 c7 c7 40 8f 1c 8b 48 c7 c6 80 8f 1c 8b eb 0c 66 2e 0f 1f 84 00 00 00 00 00 66 90 55 41 57 41 56 53 <48> 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 24 08 65 8b 05 bd
RSP: 0018:ffffc90000007fb8 EFLAGS: 00000046
RAX: 0000000000000000 RBX: ffff88802da18ab0 RCX: b8f154b59dac0900
RDX: 0000000000000000 RSI: ffffffff8b1c8f80 RDI: ffffffff8b1c8f40
RBP: 0000000000000000 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: ffffc90000007ff8 R12: 0000000000000000
R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055558c015500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2f963fff CR3: 000000002f6a6000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 irq_enter_rcu+0x62/0xf0 kernel/softirq.c:622
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1088
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:687
RIP: 0010:__raw_spin_unlock_irq include/linux/spinlock_api_smp.h:160 [inline]
RIP: 0010:_raw_spin_unlock_irq+0x29/0x50 kernel/locking/spinlock.c:202
Code: 00 f3 0f 1e fa 53 48 89 fb 48 83 c7 18 48 8b 74 24 08 e8 ea 97 d8 f6 48 89 df e8 a2 6c d9 f6 e8 1d 7f fd f6 fb bf 01 00 00 00 <e8> 82 73 cc f6 65 8b 05 c3 a0 73 75 85 c0 74 02 5b c3 e8 40 88 70
RSP: 0018:ffffc90003937c78 EFLAGS: 00000286
RAX: b8f154b59dac0900 RBX: ffff88802c1aa500 RCX: b8f154b59dac0900
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffff88802c1aa798 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: 1ffff110058354f3
R13: 0000000000000011 R14: dffffc0000000000 R15: 0000000000000000
 spin_unlock_irq include/linux/spinlock.h:401 [inline]
 get_signal+0x11f5/0x13f0 kernel/signal.c:2905
 arch_do_signal_or_restart+0xc2/0x800 arch/x86/kernel/signal.c:310
 exit_to_user_mode_loop+0x70/0x110 kernel/entry/common.c:174
 exit_to_user_mode_prepare+0xee/0x180 kernel/entry/common.c:210
 __syscall_exit_to_user_mode_work kernel/entry/common.c:291 [inline]
 syscall_exit_to_user_mode+0x1a/0x50 kernel/entry/common.c:302
 do_syscall_64+0x61/0xa0 arch/x86/entry/common.c:82
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f779fd9cdd9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffe07b669f8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007f77a0015fa0 RCX: 00007f779fd9cdd9
RDX: 0000200000000240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f779fe32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f77a0015fac R14: 00007f77a0015fa0 R15: 00007f77a0015fa0
 </TASK>
sched: RT throttling activated
hrtimer: interrupt took 924346086 ns