Extracting prog: 8m44.425863618s
Minimizing prog: 1h31m53.65887532s
Simplifying prog options: 15m38.010194123s
Extracting C: 5m15.357102164s
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 corrupted
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: 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$msr-gettid-timer_settime-mq_open-mq_timedsend
detailed listing:
executing program 0:
write$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: WARNING in rcu_check_gp_start_stall
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 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
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 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_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 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-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 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, 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 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
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 2h9m25.358377565s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	Tasks blocked on level-0 rcu_node (CPUs 0-1): P5911/1:b..l
rcu: 	(detected by 1, t=10502 jiffies, g=13181, q=571 ncpus=2)
task:syz-executor    state:R  running task     stack:21736 pid:5911  ppid:5907   flags:0x00004000
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
 vprintk_emit+0x587/0x610 kernel/printk/printk.c:2342
 _printk+0xde/0x130 kernel/printk/printk.c:2366
 batadv_check_known_mac_addr+0x29b/0x3e0 net/batman-adv/hard-interface.c:526
 batadv_hard_if_event+0x3a3/0x15b0 net/batman-adv/hard-interface.c:998
 notifier_call_chain+0x197/0x380 kernel/notifier.c:93
 call_netdevice_notifiers_extack net/core/dev.c:2077 [inline]
 call_netdevice_notifiers net/core/dev.c:2091 [inline]
 dev_set_mac_address+0x39a/0x4d0 net/core/dev.c:8986
 dev_set_mac_address_user+0x31/0x50 net/core/dev.c:9000
 do_setlink+0x7ac/0x4130 net/core/rtnetlink.c:2863
 __rtnl_newlink net/core/rtnetlink.c:3706 [inline]
 rtnl_newlink+0x17da/0x20a0 net/core/rtnetlink.c:3753
 rtnetlink_rcv_msg+0x869/0xfa0 net/core/rtnetlink.c:6475
 netlink_rcv_skb+0x241/0x4d0 net/netlink/af_netlink.c:2545
 netlink_unicast_kernel net/netlink/af_netlink.c:1320 [inline]
 netlink_unicast+0x751/0x8d0 net/netlink/af_netlink.c:1346
 netlink_sendmsg+0x8d0/0xbf0 net/netlink/af_netlink.c:1894
 sock_sendmsg_nosec net/socket.c:730 [inline]
 __sock_sendmsg net/socket.c:745 [inline]
 __sys_sendto+0x4a9/0x6b0 net/socket.c:2200
 __do_sys_sendto net/socket.c:2212 [inline]
 __se_sys_sendto net/socket.c:2208 [inline]
 __x64_sys_sendto+0xde/0xf0 net/socket.c:2208
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f747f75d60e
RSP: 002b:00007ffdec2c3a68 EFLAGS: 00000246 ORIG_RAX: 000000000000002c
RAX: ffffffffffffffda RBX: 000055555e1b3500 RCX: 00007f747f75d60e
RDX: 000000000000002c RSI: 00007f7480544670 RDI: 0000000000000003
RBP: 0000000000000001 R08: 00007ffdec2c3ae4 R09: 000000000000000c
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000003
R13: 0000000000000000 R14: 00007f7480544670 R15: 0000000000000000
 </TASK>
rcu: rcu_preempt kthread starved for 10546 jiffies! g13181 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: 5989 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:get_current arch/x86/include/asm/current.h:-1 [inline]
RIP: 0010:sigmask_to_save include/linux/sched/signal.h:565 [inline]
RIP: 0010:x64_setup_rt_frame+0x88/0xc40 arch/x86/kernel/signal_64.c:166
Code: 52 2e 81 4c 8d bc 24 e0 00 00 00 49 c1 ef 03 48 b8 f1 f1 f1 f1 f8 f3 f3 f3 4b 89 04 2f e8 c0 ce 58 00 65 48 8b 05 78 62 d5 7e <48> 89 44 24 18 4c 8d b0 70 05 00 00 4c 89 f0 48 c1 e8 03 42 0f b6
RSP: 0018:ffffc90003457c00 EFLAGS: 00000293
RAX: ffff88807256bc00 RBX: ffffc90003457f58 RCX: ffff88807256bc00
RDX: 0000000000000000 RSI: ffffc90003457f58 RDI: ffffc90003457de0
RBP: ffffc90003457d70 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: ffffc90003457de0
R13: dffffc0000000000 R14: dffffc0000000000 R15: 1ffff9200068af9c
FS:  0000555574eb8500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2de63fff CR3: 000000007b835000 CR4: 00000000003506f0
Call Trace:
 <TASK>
 setup_rt_frame arch/x86/kernel/signal.c:223 [inline]
 handle_signal arch/x86/kernel/signal.c:267 [inline]
 arch_do_signal_or_restart+0x42c/0x800 arch/x86/kernel/signal.c:312
 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: 0033:0x7ff1b3c630bd
Code: fe ff 48 83 c4 78 5b 5d 41 5c 41 5e c3 48 8b 44 24 20 48 8b 5c 24 08 48 8b b0 88 00 00 00 8b 78 08 48 8d 53 30 e8 93 39 ff ff <48> 89 83 88 00 00 00 e9 35 fe ff ff 0f 1f 80 00 00 00 00 8b 7c 24
RSP: 002b:00007ffd20aae830 EFLAGS: 00010206
RAX: 0000000000000000 RBX: 00007ff1b4015fa0 RCX: 00007ff1b3e32d69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007ff1b3e32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff1b4015fac R14: 00007ff1b4015fa0 R15: 00007ff1b4015fa0
 </TASK>
sched: RT throttling activated

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: 	(detected by 0, t=10502 jiffies, g=13425, q=294 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10499 (4294961877-4294951378), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10500 jiffies! g13425 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:
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 5985 Comm: syz.0.25 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:cgroup_rstat_updated+0xd7/0x360 kernel/cgroup/rstat.c:42
Code: ff e8 ed 26 5f 00 49 8b 07 4e 8d bc 20 88 00 00 00 4c 89 f8 48 c1 e8 03 80 3c 28 00 74 08 4c 89 ff e8 cd 26 5f 00 49 83 3f 00 <74> 14 e8 92 ef 06 00 48 83 c4 30 5b 41 5c 41 5d 41 5e 41 5f 5d c3
RSP: 0018:ffffc900001f0bd8 EFLAGS: 00000086
RAX: 1ffffd1ffffa4f6d RBX: ffff8880b8f00000 RCX: ffff88802cdc0000
RDX: 0000000000010000 RSI: 0000000000000001 RDI: 0000000000000008
RBP: dffffc0000000000 R08: ffff88802cdc0000 R09: 0000000000000006
R10: 000000000000000a R11: 0000000000010000 R12: 0000607f46e27ae0
R13: 0000000000000001 R14: ffff8880792ee000 R15: ffffe8ffffd27b68
FS:  000055557499a500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2d763fff CR3: 0000000075b83000 CR4: 00000000003506e0
Call Trace:
 <IRQ>
 cgroup_base_stat_cputime_account_end kernel/cgroup/rstat.c:397 [inline]
 __cgroup_account_cputime_field+0x158/0x1b0 kernel/cgroup/rstat.c:438
 irqtime_account_process_tick+0x1ec/0x410 kernel/sched/cputime.c:-1
 update_process_times+0x24/0x1b0 kernel/time/timer.c:2070
 tick_sched_handle kernel/time/tick-sched.c:254 [inline]
 tick_sched_timer+0x3a2/0x580 kernel/time/tick-sched.c:1492
 __run_hrtimer kernel/time/hrtimer.c:1750 [inline]
 __hrtimer_run_queues+0x4e1/0xc40 kernel/time/hrtimer.c:1814
 hrtimer_interrupt+0x3c9/0x9c0 kernel/time/hrtimer.c:1876
 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1077 [inline]
 __sysvec_apic_timer_interrupt+0xfb/0x3b0 arch/x86/kernel/apic/apic.c:1094
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1088 [inline]
 sysvec_apic_timer_interrupt+0x9f/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:ffffc9000474fc78 EFLAGS: 00000286
RAX: 92a1f62da81b9400 RBX: ffff88802b47e5c0 RCX: 92a1f62da81b9400
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffff88802b47e858 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: 1ffff1100568fd0b
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: 0033:0x7feffbd9cdd9
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:00007ffc4baad998 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007feffc015fa0 RCX: 00007feffbd9cdd9
RDX: 0000200000000240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007feffbe32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007feffc015fac R14: 00007feffc015fa0 R15: 00007feffc015fa0
 </TASK>