Extracting prog: 2m23.776310265s
Minimizing prog: 49m18.640162221s
Simplifying prog options: 0s
Extracting C: 2m14.427905171s
Simplifying C: 11m19.937808212s


extracting reproducer from 64 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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS-ioctl$SNDCTL_DSP_SPEED-write$dsp-openat$adsp1-ppoll-openat$audio1-read$dsp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)
write$dsp(r2, &(0x7f0000002200)='\x00\x00\x00\x00', 0x4)
r3 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000300), 0x200, 0x0)
ppoll(&(0x7f0000000340)=[{r3, 0x8108}], 0x1, 0x0, 0x0, 0x0)
r4 = openat$audio1(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0)
read$dsp(r4, &(0x7f0000001400), 0x1000)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS-ioctl$SNDCTL_DSP_SPEED-write$dsp-openat$adsp1-ppoll-openat$audio1
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)
write$dsp(r2, &(0x7f0000002200)='\x00\x00\x00\x00', 0x4)
r3 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000300), 0x200, 0x0)
ppoll(&(0x7f0000000340)=[{r3, 0x8108}], 0x1, 0x0, 0x0, 0x0)
openat$audio1(0xffffffffffffff9c, &(0x7f0000000380), 0x0, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS-ioctl$SNDCTL_DSP_SPEED-write$dsp-openat$adsp1-ppoll
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)
write$dsp(r2, &(0x7f0000002200)='\x00\x00\x00\x00', 0x4)
r3 = openat$adsp1(0xffffffffffffff9c, &(0x7f0000000300), 0x200, 0x0)
ppoll(&(0x7f0000000340)=[{r3, 0x8108}], 0x1, 0x0, 0x0, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS-ioctl$SNDCTL_DSP_SPEED-write$dsp-openat$adsp1
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)
write$dsp(r2, &(0x7f0000002200)='\x00\x00\x00\x00', 0x4)
openat$adsp1(0xffffffffffffff9c, &(0x7f0000000300), 0x200, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS-ioctl$SNDCTL_DSP_SPEED-write$dsp
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)
write$dsp(r2, &(0x7f0000002200)='\x00\x00\x00\x00', 0x4)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS-ioctl$SNDCTL_DSP_SPEED
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)
ioctl$SNDCTL_DSP_SPEED(r2, 0xc0045002, &(0x7f0000000280)=0xac44)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1-ioctl$SNDCTL_DSP_CHANNELS
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
r2 = openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)
ioctl$SNDCTL_DSP_CHANNELS(r2, 0xc0045006, &(0x7f0000000240)=0x2)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write-openat$dsp1
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)
openat$dsp1(0xffffffffffffff9c, &(0x7f0000000200), 0x20080, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
write(0xffffffffffffffff, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r0, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mount-openat-write-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100), 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program did not crash
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)

program crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
simplifying C reproducer
testing compiled C program (duration=46.049523826s, {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}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing compiled C program (duration=46.049523826s, {Threaded:false 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}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing compiled C program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing compiled C program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing compiled C program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing compiled C program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing compiled C program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
testing program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
validation run: crashed=true
testing program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
validation run: crashed=true
testing program (duration=46.049523826s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./sys\x00', &(0x7f0000000040)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000080)='./sys/bus/platform/devices/pcspkr/driver_override\x00', 0x1, 0x0)
write(r0, &(0x7f0000000100)='snd_dummy\x00', 0xa)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./sys/bus/platform/drivers/snd_dummy/bind\x00', 0x1, 0x0)
write(r1, &(0x7f0000000180)='pcspkr\x00', 0x7)

program crashed: UBSAN: array-index-out-of-bounds in snd_dummy_probe
validation run: crashed=true
reproducing took 1h11m28.864485564s
repro crashed as (corrupted=false):
================================================================================
UBSAN: array-index-out-of-bounds in sound/drivers/dummy.c:1028:40
index -1 is out of range for type 'int[32]'
CPU: 1 PID: 5967 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
 __ubsan_handle_out_of_bounds+0xe3/0xf0 lib/ubsan.c:348
 snd_dummy_probe+0x12bb/0x18e0 sound/drivers/dummy.c:1028
 platform_probe+0x13b/0x1c0 drivers/base/platform.c:1376
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x247/0xae0 drivers/base/dd.c:717
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:879
 device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1206
 bind_store+0x1cc/0x210 drivers/base/bus.c:267
 kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x474/0x9a0 fs/read_write.c:584
 ksys_write+0x151/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8f5d99e0d9
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:00007ffea231ed58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8f5dc25fa0 RCX: 00007f8f5d99e0d9
RDX: 0000000000000007 RSI: 0000200000000180 RDI: 0000000000000004
RBP: 00007f8f5da35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f5dc25fac R14: 00007f8f5dc25fa0 R15: 00007f8f5dc25fa0
 </TASK>
================================================================================

final repro crashed as (corrupted=false):
================================================================================
UBSAN: array-index-out-of-bounds in sound/drivers/dummy.c:1028:40
index -1 is out of range for type 'int[32]'
CPU: 1 PID: 5967 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
 <TASK>
 dump_stack_lvl+0x18c/0x250 lib/dump_stack.c:106
 ubsan_epilogue+0xa/0x30 lib/ubsan.c:217
 __ubsan_handle_out_of_bounds+0xe3/0xf0 lib/ubsan.c:348
 snd_dummy_probe+0x12bb/0x18e0 sound/drivers/dummy.c:1028
 platform_probe+0x13b/0x1c0 drivers/base/platform.c:1376
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x247/0xae0 drivers/base/dd.c:717
 __driver_probe_device+0x1f5/0x390 drivers/base/dd.c:879
 device_driver_attach+0xe0/0x1d0 drivers/base/dd.c:1206
 bind_store+0x1cc/0x210 drivers/base/bus.c:267
 kernfs_fop_write_iter+0x3a4/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2018 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x474/0x9a0 fs/read_write.c:584
 ksys_write+0x151/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f8f5d99e0d9
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:00007ffea231ed58 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f8f5dc25fa0 RCX: 00007f8f5d99e0d9
RDX: 0000000000000007 RSI: 0000200000000180 RDI: 0000000000000004
RBP: 00007f8f5da35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8f5dc25fac R14: 00007f8f5dc25fa0 R15: 00007f8f5dc25fa0
 </TASK>
================================================================================