Extracting prog: 27.286724578s
Minimizing prog: 19m4.032445777s
Simplifying prog options: 3m8.374266877s
Extracting C: 37.269318916s
Simplifying C: 0s


extracting reproducer from 24 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-write-openat-read-close-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
write(r1, &(0x7f00000002c0)='16\x00', 0x3)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)
read(r2, &(0x7f0000000340), 0x1000)
close(r2)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000380)='./tracefs_dir/free_buffer\x00', 0x1, 0x0)
write(r3, &(0x7f00000003c0)='1\x00', 0x2)

program crashed: WARNING in tracing_start_tr
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-write-openat-read-close-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
write(r1, &(0x7f00000002c0)='16\x00', 0x3)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)
read(r2, &(0x7f0000000340), 0x1000)
close(r2)
openat(0xffffffffffffff9c, &(0x7f0000000380)='./tracefs_dir/free_buffer\x00', 0x1, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-write-openat-read-close
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
write(r1, &(0x7f00000002c0)='16\x00', 0x3)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)
read(r2, &(0x7f0000000340), 0x1000)
close(r2)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-write-openat-read
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
write(r1, &(0x7f00000002c0)='16\x00', 0x3)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)
read(r2, &(0x7f0000000340), 0x1000)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
write(r1, &(0x7f00000002c0)='16\x00', 0x3)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
write(r1, &(0x7f00000002c0)='16\x00', 0x3)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-openat-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-write-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
write(0xffffffffffffffff, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f00000001c0)='200\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='100\x00', 0x4)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000200)='300\x00', 0x4)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(&(0x7f0000000080)=@filename='nodev\x00', &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./tracefs_dir/buffer_size_kb\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000200)='300\x00', 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280), 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, 0x0, 0x0, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
program did not crash
simplifying guilty program options
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
validation run: crashed=true
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
validation run: crashed=true
testing program (duration=33.039376686s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./tracefs_dir\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='./tracefs_dir\x00', &(0x7f0000000100)='tracefs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./tracefs_dir/buffer_subbuf_size_kb\x00', 0x1, 0x0)
write(r1, &(0x7f0000000280)='8\x00', 0x2)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./tracefs_dir/trace\x00', 0x0, 0x0)

program crashed: WARNING in tracing_start_tr
validation run: crashed=true
reproducing took 28m8.486958321s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 409 at kernel/trace/trace.c:2439 tracing_start_tr+0x22a/0x2f0 kernel/trace/trace.c:2439
Modules linked in:
CPU: 0 UID: 0 PID: 409 Comm: syz.2.26 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:tracing_start_tr+0x22a/0x2f0 kernel/trace/trace.c:2439
Code: 04 25 28 00 00 00 48 3b 44 24 60 0f 85 84 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc c3 1a 04 cc e8 d6 26 fc ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 43 0f b6 04 2c 84 c0 75 79 41
RSP: 0018:ffffc90000f5fc60 EFLAGS: 00010093
RAX: ffffffff818b4aea RBX: 1ffff920001ebf90 RCX: ffff888117960000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90000f5fd20 R08: ffffffff8760d7e8 R09: 0000000000000001
R10: dffffc0000000000 R11: fffff520001ebf64 R12: 1ffffffff0ec1af4
R13: 00000000ffffffff R14: ffffffff8760d7a0 R15: ffffffff8760d720
FS:  0000555581a87500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f15ef627dac CR3: 0000000117e02000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 tracing_release+0x300/0x4f0 kernel/trace/trace.c:4801
 __fput+0x20b/0xa30 fs/file_table.c:447
 ____fput+0x20/0x30 fs/file_table.c:475
 task_work_run+0x1e8/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f2c5bd9de99
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:00007ffe5b8d5148 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe5b8d5230 RCX: 00007f2c5bd9de99
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000000b8f2 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33b20000 R11: 0000000000000246 R12: 00007ffe5b8d5270
R13: 00007f2c5c025fac R14: 000000000000b92d R15: 00007f2c5c025fa0
 </TASK>
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 409 at kernel/trace/trace.c:2439 tracing_start_tr+0x22a/0x2f0 kernel/trace/trace.c:2439
Modules linked in:
CPU: 0 UID: 0 PID: 409 Comm: syz.2.26 Not tainted syzkaller #0 45964a5c932d45c81e53484b258bbb49855afb35
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
RIP: 0010:tracing_start_tr+0x22a/0x2f0 kernel/trace/trace.c:2439
Code: 04 25 28 00 00 00 48 3b 44 24 60 0f 85 84 00 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d e9 fc c3 1a 04 cc e8 d6 26 fc ff <0f> 0b 49 bd 00 00 00 00 00 fc ff df 43 0f b6 04 2c 84 c0 75 79 41
RSP: 0018:ffffc90000f5fc60 EFLAGS: 00010093
RAX: ffffffff818b4aea RBX: 1ffff920001ebf90 RCX: ffff888117960000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: ffffc90000f5fd20 R08: ffffffff8760d7e8 R09: 0000000000000001
R10: dffffc0000000000 R11: fffff520001ebf64 R12: 1ffffffff0ec1af4
R13: 00000000ffffffff R14: ffffffff8760d7a0 R15: ffffffff8760d720
FS:  0000555581a87500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f15ef627dac CR3: 0000000117e02000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 tracing_release+0x300/0x4f0 kernel/trace/trace.c:4801
 __fput+0x20b/0xa30 fs/file_table.c:447
 ____fput+0x20/0x30 fs/file_table.c:475
 task_work_run+0x1e8/0x260 kernel/task_work.c:246
 resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
 exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
 exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
 __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
 syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
 do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f2c5bd9de99
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:00007ffe5b8d5148 EFLAGS: 00000246 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 00007ffe5b8d5230 RCX: 00007f2c5bd9de99
RDX: 0000000000000000 RSI: 000000000000001e RDI: 0000000000000003
RBP: 000000000000b8f2 R08: 0000000000000001 R09: 0000000000000000
R10: 0000001b33b20000 R11: 0000000000000246 R12: 00007ffe5b8d5270
R13: 00007f2c5c025fac R14: 000000000000b92d R15: 00007f2c5c025fa0
 </TASK>
---[ end trace 0000000000000000 ]---