Extracting prog: 17m33.812843403s
Minimizing prog: 1h38m22.785828856s
Simplifying prog options: 14m57.541592407s
Extracting C: 5m13.056621254s
Simplifying C: 0s


extracting reproducer from 58 programs
testing a last program of every proc
single: executing 14 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}}): socket$unix-socket$nl_route-prlimit64-sched_setscheduler-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-sched_setaffinity-syz_open_dev$MSR-read$msr-ioctl$EVIOCGKEY-socket$nl_xfrm-connect$inet6-setsockopt$inet6_IPV6_XFRM_POLICY-bind$unix-socket$unix-bpf$PROG_LOAD-ioctl$int_in-lremovexattr-connect$unix-sendmmsg
detailed listing:
executing program 0:
r0 = socket$unix(0x1, 0x2, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x1, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000200)=0x4)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x0)
r2 = syz_clone(0x600, 0x0, 0x33, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x0, 0x0)
sched_setaffinity(0x0, 0x1, &(0x7f00000002c0)=0x400000bce)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000032680)=""/102400, 0x19000)
ioctl$EVIOCGKEY(0xffffffffffffffff, 0x80404518, &(0x7f0000000200)=""/100)
socket$nl_xfrm(0x10, 0x3, 0x6)
connect$inet6(0xffffffffffffffff, &(0x7f00000000c0)={0xa, 0x0, 0x0, @loopback}, 0x1c)
setsockopt$inet6_IPV6_XFRM_POLICY(0xffffffffffffffff, 0x29, 0x23, 0x0, 0x0)
bind$unix(r0, &(0x7f0000000080)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
r4 = socket$unix(0x1, 0x2, 0x0)
bpf$PROG_LOAD(0x5, &(0x7f00002a0fb8)={0x1a, 0x3, &(0x7f0000000080)=@framed={{0xffffff85, 0x0, 0x0, 0x0, 0x7a, 0x6a, 0xa, 0xff00, 0xf00}}, &(0x7f0000000140)='GPL\x00', 0x2, 0x95, &(0x7f0000000180)=""/149, 0x0, 0x0, '\x00', 0x0, @tracing=0x1c}, 0x94)
ioctl$int_in(r4, 0x5421, &(0x7f0000000000)=0x5)
lremovexattr(&(0x7f0000000100)='\xe9\x1fq\x89Y\x1e\x923aK\x00', &(0x7f0000000140)=@known='user.incfs.size\x00')
connect$unix(r4, &(0x7f0000000180)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)
sendmmsg(r4, &(0x7f0000002dc0), 0x307017fdb7a66cb, 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}}): syz_usb_connect$hid-syz_usb_control_io-syz_usb_control_io-syz_open_dev$hidraw-ioctl$HIDIOCGRDESC
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x2, 0x36, &(0x7f0000000680)=ANY=[@ANYBLOB="1201000000000040f30455070000000000010902240001000040b109040000010300010009210101000122050009058103"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io(r0, &(0x7f0000000340)={0x2c, &(0x7f0000000700)=ANY=[@ANYBLOB=' \n\a\x00\x00\x00'], 0x0, 0x0, 0x0, 0x0}, 0x0)
r1 = syz_open_dev$hidraw(&(0x7f0000000280), 0x82, 0x2)
ioctl$HIDIOCGRDESC(r1, 0x90044802, &(0x7f0000000380))

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: 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-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 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-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 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
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 rtnl_newlink
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 2h26m51.52639434s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 0, t=10502 jiffies, g=11157, q=612 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10501 (4294959038-4294948537), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10502 jiffies! g11157 f0x2 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:27880 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: 0 PID: 5983 Comm: syz.2.19 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:ffffc900034f7c78 EFLAGS: 00000286
RAX: 68405fe923b87b00 RBX: ffff88802b828940 RCX: 68405fe923b87b00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffff88802b828bd8 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: 1ffff1100570517b
R13: 0000000000000011 R14: dffffc0000000000 R15: 0000000000000000
FS:  000055558acf0500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b34563fff CR3: 00000000319f3000 CR4: 00000000003506f0
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: 0033:0x7fc2b399cdd9
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:00007ffcba99afc8 EFLAGS: 00000246
RAX: 0000000000000000 RBX: 00007fc2b3c15fa0 RCX: 00007fc2b399cdd9
RDX: 0000200000000240 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007fc2b3a32d69 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc2b3c15fac R14: 00007fc2b3c15fa0 R15: 00007fc2b3c15fa0
 </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 syscall_exit_to_user_mode
final repro crashed as (corrupted=false):
rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
rcu: 	(detected by 1, t=10502 jiffies, g=9277, q=548 ncpus=2)
rcu: All QSes seen, last rcu_preempt kthread activity 10497 (4294958120-4294947623), jiffies_till_next_fqs=1, root ->qsmask 0x0
rcu: rcu_preempt kthread starved for 10498 jiffies! g9277 f0x2 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:26024 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: 5942 Comm: syz.2.19 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/18/2026
RIP: 0010:arch_static_branch arch/x86/include/asm/jump_label.h:27 [inline]
RIP: 0010:static_key_false include/linux/jump_label.h:207 [inline]
RIP: 0010:native_write_msr arch/x86/include/asm/msr.h:147 [inline]
RIP: 0010:wrmsr arch/x86/include/asm/msr.h:254 [inline]
RIP: 0010:native_apic_msr_write+0x39/0x50 arch/x86/include/asm/apic.h:196
Code: 74 2a 83 ff 30 74 25 eb 10 81 ff d0 00 00 00 74 1b 81 ff e0 00 00 00 74 13 c1 ef 04 81 c7 00 08 00 00 89 f9 89 f0 31 d2 0f 30 <66> 90 c3 89 f6 31 d2 e9 7b f8 23 03 66 2e 0f 1f 84 00 00 00 00 00
RSP: 0018:ffffc90000007e58 EFLAGS: 00000046
RAX: 0000000000021615 RBX: ffff8880b8e28280 RCX: 0000000000000838
RDX: 0000000000000000 RSI: 0000000000021615 RDI: 0000000000000838
RBP: 0000000000000000 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: dffffc0000000000
R13: 0000000010007a79 R14: 0000000000021615 R15: 0000000000000020
FS:  000055557e5c4500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2cf63fff CR3: 000000002f3eb000 CR4: 00000000003506f0
Call Trace:
 <IRQ>
 apic_write arch/x86/include/asm/apic.h:404 [inline]
 lapic_next_event+0x11/0x20 arch/x86/kernel/apic/apic.c:448
 clockevents_program_event+0x1c0/0x310 kernel/time/clockevents.c:334
 hrtimer_interrupt+0x5a1/0x9c0 kernel/time/hrtimer.c:1889
 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:ffffc90003697c78 EFLAGS: 00000286
RAX: 13741debcccf4f00 RBX: ffff88802d611280 RCX: 13741debcccf4f00
RDX: dffffc0000000000 RSI: ffffffff8acac9e0 RDI: 0000000000000001
RBP: ffff88802d611518 R08: ffffffff8e8b19af R09: 1ffffffff1d16335
R10: dffffc0000000000 R11: fffffbfff1d16336 R12: 1ffff11005ac22a3
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: 0033:0x7fa459863011
Code: 24 08 49 89 d8 48 8d 3d 42 07 1d 00 48 ba db 34 b6 d7 82 de 1b 43 48 69 4c 24 60 e8 03 00 00 48 89 d0 48 f7 64 24 68 41 8b 36 <31> c0 48 c1 ea 12 48 01 ca 48 89 e9 48 2b 15 c4 26 ee 00 e8 e7 e1
RSP: 002b:00007ffe34b116f0 EFLAGS: 00000a83
RAX: a9478c868e721e0d RBX: 0000000000000000 RCX: 0000000000032c80
RDX: 0000000004381784 RSI: 0000000000000000 RDI: 00007fa459a33735
RBP: 00007fa459a4c20c R08: 0000000000000000 R09: 00000000007459e5
R10: 0000006ce19c71e8 R11: 00000000000096d2 R12: 0000000000000000
R13: 00007fa459c15fac R14: 00007fa459c15fa0 R15: 00007fa459c15fa0
 </TASK>