Extracting prog: 2m1.327902654s
Minimizing prog: 26m26.671916291s
Simplifying prog options: 0s
Extracting C: 43.848267561s
Simplifying C: 10m22.04021754s


extracting reproducer from 18 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:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program crashed: WARNING in virtio_dev_remove
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
write(0xffffffffffffffff, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
pwrite64(0xffffffffffffffff, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r0, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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-pwrite64-openat-write
detailed listing:
executing program 0:
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(0x0, 0x1ff)
mount(&(0x7f0000000080)=@filename='sysfs\x00', &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program crashed: WARNING in virtio_dev_remove
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, 0x0, 0x0, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180), 0x0, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)

program did not crash
testing program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200), 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=56.771625924s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
simplifying C reproducer
testing compiled C program (duration=56.771625924s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program crashed: WARNING in virtio_dev_remove
validation run: crashed=true
testing program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program crashed: WARNING in virtio_dev_remove
validation run: crashed=true
testing program (duration=56.771625924s, {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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(0x7f00000000c0)='sys\x00', &(0x7f0000000100)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='sys/bus/pci/devices/0000:00:04.0/config\x00', 0x2, 0x0)
pwrite64(r0, &(0x7f0000000180)='\x00\x00', 0x2, 0x4)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000200)='1', 0x1)

program crashed: WARNING in virtio_dev_remove
validation run: crashed=true
reproducing took 45m13.48815348s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4423 at drivers/virtio/virtio.c:335 virtio_dev_remove+0x16f/0x1a0 drivers/virtio/virtio.c:335
Modules linked in:
CPU: 0 PID: 4423 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:virtio_dev_remove+0x16f/0x1a0 drivers/virtio/virtio.c:335
Code: 08 48 89 df e8 92 f4 5f fd 4c 89 f7 ff 13 0c 01 0f b6 f0 4c 89 f7 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d ff e0 e8 b1 c7 0e fd <0f> 0b e9 78 ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c d8 fe ff ff 4c
RSP: 0018:ffffc900032378c0 EFLAGS: 00010293
RAX: ffffffff8473666f RBX: ffff88801d732500 RCX: ffff888079798000
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 0000000000000000
RBP: 00000000000000ff R08: ffffffff90b10277 R09: 1ffffffff216204e
R10: dffffc0000000000 R11: fffffbfff216204f R12: 1ffff11003ae64a0
R13: dffffc0000000000 R14: ffff88801d732000 R15: ffffffff8aeb95b8
FS:  00005555862fa500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562b8738c950 CR3: 000000007f46a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 bus_remove_device+0x2dd/0x400 drivers/base/bus.c:531
 device_del+0x63f/0xa80 drivers/base/core.c:3900
 device_unregister+0x1c/0xc0 drivers/base/core.c:3943
 unregister_virtio_device+0x33/0x60 drivers/virtio/virtio.c:483
 virtio_pci_remove+0x7b/0xf0 drivers/virtio/virtio_pci_common.c:600
 pci_device_remove+0x93/0x230 drivers/pci/pci-driver.c:483
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 pci_stop_dev drivers/pci/remove.c:22 [inline]
 pci_stop_bus_device+0x108/0x140 drivers/pci/remove.c:82
 pci_stop_and_remove_bus_device drivers/pci/remove.c:116 [inline]
 pci_stop_and_remove_bus_device_locked+0x16/0x30 drivers/pci/remove.c:124
 remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:515
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f43d4b9e019
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:00007fff6f46f2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f43d4e25fa0 RCX: 00007f43d4b9e019
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007f43d4c3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f43d4e25fac R14: 00007f43d4e25fa0 R15: 00007f43d4e25fa0
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4423 at drivers/virtio/virtio.c:335 virtio_dev_remove+0x16f/0x1a0 drivers/virtio/virtio.c:335
Modules linked in:
CPU: 0 PID: 4423 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:virtio_dev_remove+0x16f/0x1a0 drivers/virtio/virtio.c:335
Code: 08 48 89 df e8 92 f4 5f fd 4c 89 f7 ff 13 0c 01 0f b6 f0 4c 89 f7 4c 89 e0 5b 41 5c 41 5d 41 5e 41 5f 5d ff e0 e8 b1 c7 0e fd <0f> 0b e9 78 ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c d8 fe ff ff 4c
RSP: 0018:ffffc900032378c0 EFLAGS: 00010293
RAX: ffffffff8473666f RBX: ffff88801d732500 RCX: ffff888079798000
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 0000000000000000
RBP: 00000000000000ff R08: ffffffff90b10277 R09: 1ffffffff216204e
R10: dffffc0000000000 R11: fffffbfff216204f R12: 1ffff11003ae64a0
R13: dffffc0000000000 R14: ffff88801d732000 R15: ffffffff8aeb95b8
FS:  00005555862fa500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000562b8738c950 CR3: 000000007f46a000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 bus_remove_device+0x2dd/0x400 drivers/base/bus.c:531
 device_del+0x63f/0xa80 drivers/base/core.c:3900
 device_unregister+0x1c/0xc0 drivers/base/core.c:3943
 unregister_virtio_device+0x33/0x60 drivers/virtio/virtio.c:483
 virtio_pci_remove+0x7b/0xf0 drivers/virtio/virtio_pci_common.c:600
 pci_device_remove+0x93/0x230 drivers/pci/pci-driver.c:483
 device_remove drivers/base/dd.c:547 [inline]
 __device_release_driver drivers/base/dd.c:1279 [inline]
 device_release_driver_internal+0x47d/0x7c0 drivers/base/dd.c:1305
 pci_stop_dev drivers/pci/remove.c:22 [inline]
 pci_stop_bus_device+0x108/0x140 drivers/pci/remove.c:82
 pci_stop_and_remove_bus_device drivers/pci/remove.c:116 [inline]
 pci_stop_and_remove_bus_device_locked+0x16/0x30 drivers/pci/remove.c:124
 remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:515
 kernfs_fop_write_iter+0x3a0/0x520 fs/kernfs/file.c:352
 call_write_iter include/linux/fs.h:2265 [inline]
 new_sync_write fs/read_write.c:491 [inline]
 vfs_write+0x482/0x9a0 fs/read_write.c:584
 ksys_write+0x14d/0x260 fs/read_write.c:637
 do_syscall_x64 arch/x86/entry/common.c:46 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f43d4b9e019
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:00007fff6f46f2e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f43d4e25fa0 RCX: 00007f43d4b9e019
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007f43d4c3500c R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f43d4e25fac R14: 00007f43d4e25fa0 R15: 00007f43d4e25fa0
 </TASK>