Extracting prog: 1m13.910554368s
Minimizing prog: 21m13.841715291s
Simplifying prog options: 1m47.544332394s
Extracting C: 38.464633858s
Simplifying C: 0s


extracting reproducer from 77 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-gettid-mkdirat-mount-mkdirat-unlinkat-timer_settime
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
gettid()
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)
timer_settime(0x0, 0x1, 0x0, 0x0)

program crashed: WARNING in trace_rb_cpu_prepare
single: successfully extracted reproducer
found reproducer with 22 syscalls
minimizing guilty program
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-gettid-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
gettid()
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-gettid-mkdirat-mount-mkdirat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
gettid()
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-gettid-mkdirat-mount-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
gettid()
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-gettid-mkdirat-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
gettid()
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-gettid-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
gettid()
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-openat-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
openat(0xffffffffffffff9c, 0x0, 0x101c42, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-sched_setaffinity-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
sched_setaffinity(r2, 0x2, &(0x7f0000000000)=0x80000000000003)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
r3 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r3, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-syz_open_dev$MSR-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-prctl$PR_SCHED_CORE-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, r2, 0x1, 0x0)
read$msr(0xffffffffffffffff, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-mmap-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-sched_setscheduler-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
r1 = getpid()
sched_setscheduler(r1, 0x2, &(0x7f0000000080)=0x6)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r2 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r2, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-getpid-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
getpid()
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-sched_setaffinity-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-getpgrp-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
getpgrp(0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-sched_setscheduler-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
sched_setscheduler(0x0, 0x1, &(0x7f0000000300)=0x7)
sched_setaffinity(0x0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r0 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r0, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): openat2$dir-prlimit64-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x80000100008b}, 0x0)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): openat2$dir-getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
openat2$dir(0xffffffffffffff9c, &(0x7f0000000200)='./file0\x00', 0x0, 0x0)
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x8, &(0x7f0000000040)=0x5)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(&(0x7f00000001c0), 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, 0x0, 0x0)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, 0x0, 0x200)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
program did not crash
simplifying guilty program options
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {Threaded:true 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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
validation run: crashed=true
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program did not crash
validation run: crashed=false
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
validation run: crashed=true
testing program (duration=30s, {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}}): getpgrp-sched_setaffinity-prctl$PR_SCHED_CORE-mmap-syz_clone-syz_open_dev$MSR-read$msr-clock_nanosleep-mkdirat-mount-mkdirat-unlinkat
detailed listing:
executing program 0:
r0 = getpgrp(0x0)
sched_setaffinity(r0, 0x0, 0x0)
prctl$PR_SCHED_CORE(0x3e, 0x1, 0x0, 0x2, 0x0)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x1b5cb000)
syz_clone(0x8000, 0x0, 0xfffffffffffffe7e, 0x0, 0x0, 0x0)
r1 = syz_open_dev$MSR(0x0, 0x0, 0x0)
read$msr(r1, &(0x7f0000019680)=""/102392, 0x18ff8)
clock_nanosleep(0x2, 0x0, &(0x7f0000000140), 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./tracefs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./tracefs\x00', &(0x7f0000000040)='tracefs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x1ff)
unlinkat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs/instances/foo\x00', 0x200)

program crashed: WARNING in trace_rb_cpu_prepare
validation run: crashed=true
reproducing took 27m49.563394799s
repro crashed as (corrupted=false):
------------[ cut here ]------------
failed to allocate ring buffer on CPU 3
WARNING: kernel/trace/ring_buffer.c:8031 at trace_rb_cpu_prepare+0x464/0x510 kernel/trace/ring_buffer.c:8031, CPU#2: syz.2.60/6216
Modules linked in:
CPU: 2 UID: 0 PID: 6216 Comm: syz.2.60 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:trace_rb_cpu_prepare+0x466/0x510 kernel/trace/ring_buffer.c:8031
Code: 48 c1 ea 03 80 3c 02 00 0f 84 bb fc ff ff 48 8b 3c 24 e8 5d 9d 6d 00 e9 ad fc ff ff e8 23 84 fb ff 48 8d 3d 3c 4a 39 0f 89 ee <67> 48 0f b9 3a bb f4 ff ff ff e9 d3 fd ff ff 4c 89 ef e8 33 9d 6d
RSP: 0000:ffffc900068af8c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880140e44b8 RCX: 0000000000000000
RDX: ffff888025270000 RSI: 0000000000000003 RDI: ffffffff91490250
RBP: 0000000000000003 R08: ffff88804b001998 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003
R13: ffff8880140e4410 R14: 0000000000000018 R15: 0000000000000162
FS:  0000000000000000(0000) GS:ffff888096b67000(0063) knlGS:00000000f67ceb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7188c10 CR3: 000000004f78d000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cpuhp_invoke_callback+0x205/0x9a0 kernel/cpu.c:204
 cpuhp_issue_call+0x1b8/0x970 kernel/cpu.c:2354
 __cpuhp_state_add_instance_cpuslocked+0x2d7/0x400 kernel/cpu.c:2423
 __cpuhp_state_add_instance+0xda/0x2e0 kernel/cpu.c:2444
 cpuhp_state_add_instance include/linux/cpuhotplug.h:383 [inline]
 alloc_buffer+0x6cf/0x1670 kernel/trace/ring_buffer.c:2886
 __ring_buffer_alloc+0x2d/0x40 kernel/trace/ring_buffer.c:2928
 allocate_trace_buffer+0x150/0xa30 kernel/trace/trace.c:8417
 allocate_trace_buffers kernel/trace/trace.c:8450 [inline]
 trace_array_create_systems+0x582/0xc30 kernel/trace/trace.c:8628
 trace_array_create kernel/trace/trace.c:8671 [inline]
 instance_mkdir+0xca/0x140 kernel/trace/trace.c:8686
 tracefs_syscall_mkdir+0x10e/0x180 fs/tracefs/inode.c:121
 vfs_mkdir+0x364/0x850 fs/namei.c:5410
 filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
 __do_sys_mkdirat fs/namei.c:5464 [inline]
 __se_sys_mkdirat fs/namei.c:5461 [inline]
 __ia32_sys_mkdirat+0x88/0xc0 fs/namei.c:5461
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f08fec
Code: Unable to access opcode bytes at 0xf7f08fc2.
RSP: 002b:00000000f67ce50c EFLAGS: 00000292 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000080000140
RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 84 bb fc ff ff    	je     0xfffffcc9
   e:	48 8b 3c 24          	mov    (%rsp),%rdi
  12:	e8 5d 9d 6d 00       	call   0x6d9d74
  17:	e9 ad fc ff ff       	jmp    0xfffffcc9
  1c:	e8 23 84 fb ff       	call   0xfffb8444
  21:	48 8d 3d 3c 4a 39 0f 	lea    0xf394a3c(%rip),%rdi        # 0xf394a64
  28:	89 ee                	mov    %ebp,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bb f4 ff ff ff       	mov    $0xfffffff4,%ebx
  34:	e9 d3 fd ff ff       	jmp    0xfffffe0c
  39:	4c 89 ef             	mov    %r13,%rdi
  3c:	e8                   	.byte 0xe8
  3d:	33                   	.byte 0x33
  3e:	9d                   	popf
  3f:	6d                   	insl   (%dx),%es:(%rdi)

final repro crashed as (corrupted=false):
------------[ cut here ]------------
failed to allocate ring buffer on CPU 3
WARNING: kernel/trace/ring_buffer.c:8031 at trace_rb_cpu_prepare+0x464/0x510 kernel/trace/ring_buffer.c:8031, CPU#2: syz.2.60/6216
Modules linked in:
CPU: 2 UID: 0 PID: 6216 Comm: syz.2.60 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:trace_rb_cpu_prepare+0x466/0x510 kernel/trace/ring_buffer.c:8031
Code: 48 c1 ea 03 80 3c 02 00 0f 84 bb fc ff ff 48 8b 3c 24 e8 5d 9d 6d 00 e9 ad fc ff ff e8 23 84 fb ff 48 8d 3d 3c 4a 39 0f 89 ee <67> 48 0f b9 3a bb f4 ff ff ff e9 d3 fd ff ff 4c 89 ef e8 33 9d 6d
RSP: 0000:ffffc900068af8c0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffff8880140e44b8 RCX: 0000000000000000
RDX: ffff888025270000 RSI: 0000000000000003 RDI: ffffffff91490250
RBP: 0000000000000003 R08: ffff88804b001998 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000003
R13: ffff8880140e4410 R14: 0000000000000018 R15: 0000000000000162
FS:  0000000000000000(0000) GS:ffff888096b67000(0063) knlGS:00000000f67ceb40
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f7188c10 CR3: 000000004f78d000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 cpuhp_invoke_callback+0x205/0x9a0 kernel/cpu.c:204
 cpuhp_issue_call+0x1b8/0x970 kernel/cpu.c:2354
 __cpuhp_state_add_instance_cpuslocked+0x2d7/0x400 kernel/cpu.c:2423
 __cpuhp_state_add_instance+0xda/0x2e0 kernel/cpu.c:2444
 cpuhp_state_add_instance include/linux/cpuhotplug.h:383 [inline]
 alloc_buffer+0x6cf/0x1670 kernel/trace/ring_buffer.c:2886
 __ring_buffer_alloc+0x2d/0x40 kernel/trace/ring_buffer.c:2928
 allocate_trace_buffer+0x150/0xa30 kernel/trace/trace.c:8417
 allocate_trace_buffers kernel/trace/trace.c:8450 [inline]
 trace_array_create_systems+0x582/0xc30 kernel/trace/trace.c:8628
 trace_array_create kernel/trace/trace.c:8671 [inline]
 instance_mkdir+0xca/0x140 kernel/trace/trace.c:8686
 tracefs_syscall_mkdir+0x10e/0x180 fs/tracefs/inode.c:121
 vfs_mkdir+0x364/0x850 fs/namei.c:5410
 filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
 __do_sys_mkdirat fs/namei.c:5464 [inline]
 __se_sys_mkdirat fs/namei.c:5461 [inline]
 __ia32_sys_mkdirat+0x88/0xc0 fs/namei.c:5461
 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline]
 __do_fast_syscall_32+0x13a/0x8b0 arch/x86/entry/syscall_32.c:291
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf7f08fec
Code: Unable to access opcode bytes at 0xf7f08fc2.
RSP: 002b:00000000f67ce50c EFLAGS: 00000292 ORIG_RAX: 0000000000000128
RAX: ffffffffffffffda RBX: 00000000ffffff9c RCX: 0000000080000140
RDX: 00000000000001ff RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
----------------
Code disassembly (best guess):
   0:	48 c1 ea 03          	shr    $0x3,%rdx
   4:	80 3c 02 00          	cmpb   $0x0,(%rdx,%rax,1)
   8:	0f 84 bb fc ff ff    	je     0xfffffcc9
   e:	48 8b 3c 24          	mov    (%rsp),%rdi
  12:	e8 5d 9d 6d 00       	call   0x6d9d74
  17:	e9 ad fc ff ff       	jmp    0xfffffcc9
  1c:	e8 23 84 fb ff       	call   0xfffb8444
  21:	48 8d 3d 3c 4a 39 0f 	lea    0xf394a3c(%rip),%rdi        # 0xf394a64
  28:	89 ee                	mov    %ebp,%esi
* 2a:	67 48 0f b9 3a       	ud1    (%edx),%rdi <-- trapping instruction
  2f:	bb f4 ff ff ff       	mov    $0xfffffff4,%ebx
  34:	e9 d3 fd ff ff       	jmp    0xfffffe0c
  39:	4c 89 ef             	mov    %r13,%rdi
  3c:	e8                   	.byte 0xe8
  3d:	33                   	.byte 0x33
  3e:	9d                   	popf
  3f:	6d                   	insl   (%dx),%es:(%rdi)