Extracting prog: 2m15.02553516s
Minimizing prog: 22m22.892273092s
Simplifying prog options: 0s
Extracting C: 33.715959003s
Simplifying C: 9m30.733473798s


extracting reproducer from 1 programs
testing a last program of every proc
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}}): 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
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=45.450328989s, {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}}): mkdir-mount-openat-pwrite64-openat
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)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)

program did not crash
testing program (duration=45.450328989s, {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}}): mkdir-mount-openat-pwrite64-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)
write(0xffffffffffffffff, &(0x7f0000000200)='1', 0x1)

program did not crash
testing program (duration=45.450328989s, {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}}): mkdir-mount-openat-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(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=45.450328989s, {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}}): mkdir-mount-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(&(0x7f0000000040)='sys\x00', 0x1ff)
mount(0x0, &(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=45.450328989s, {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}}): 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=45.450328989s, {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-pwrite64-openat-write
detailed listing:
executing program 0:
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 did not crash
testing program (duration=45.450328989s, {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}}): mkdir-mount-openat-pwrite64-openat-write
detailed listing:
executing program 0:
mkdir(0x0, 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 did not crash
testing program (duration=45.450328989s, {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}}): 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=45.450328989s, {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}}): 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=45.450328989s, {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}}): 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=45.450328989s, {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}}): 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=45.450328989s, {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}}): 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 crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=45.450328989s, {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}}): 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=45.450328989s, {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}}): 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=45.450328989s, {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}}): 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=45.450328989s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
simplifying C reproducer
testing compiled C program (duration=45.450328989s, {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}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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=45.450328989s, {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 40m0.489428922s
repro crashed as (corrupted=false):
------------[ cut here ]------------
dev->config->get_status(dev)
WARNING: drivers/virtio/virtio.c:378 at virtio_dev_remove+0x188/0x1b0 drivers/virtio/virtio.c:378, CPU#1: syz.0.17/5847
Modules linked in:
CPU: 1 UID: 0 PID: 5847 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:virtio_dev_remove+0x188/0x1b0 drivers/virtio/virtio.c:378
Code: 4c 89 f7 2e e8 6d aa 9c 1a 0c 01 0f b6 f0 4c 89 f7 4d 89 fb 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 1a f2 9b 1a e8 39 c5 63 fc 90 <0f> 0b 90 e9 6e ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c c2 fe ff ff
RSP: 0018:ffffc900032b77d8 EFLAGS: 00010293
RAX: ffffffff85641767 RBX: ffff888020b13558 RCX: ffff88802f253e80
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 0000000000000000
RBP: 00000000000000ff R08: ffffffff909bb17f R09: 1ffffffff213762f
R10: dffffc0000000000 R11: ffffffff85667560 R12: 1ffff110041626ab
R13: dffffc0000000000 R14: ffff888020b13000 R15: ffffffff8c7aed78
FS:  000055557b377500(0000) GS:ffff888124988000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05bd250eb8 CR3: 00000000750d0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 bus_remove_device+0x444/0x560 drivers/base/bus.c:664
 device_del+0x524/0x8f0 drivers/base/core.c:3965
 device_unregister+0x21/0xf0 drivers/base/core.c:4006
 unregister_virtio_device+0x37/0x60 drivers/virtio/virtio.c:607
 virtio_pci_remove+0x7f/0xf0 drivers/virtio/virtio_pci_common.c:758
 pci_device_remove+0x99/0x1c0 drivers/pci/pci-driver.c:535
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 pci_stop_dev drivers/pci/remove.c:27 [inline]
 pci_stop_bus_device+0xf6/0x120 drivers/pci/remove.c:94
 pci_stop_and_remove_bus_device drivers/pci/remove.c:129 [inline]
 pci_stop_and_remove_bus_device_locked+0x77/0xb0 drivers/pci/remove.c:137
 remove_store+0xe5/0x150 drivers/pci/pci-sysfs.c:524
 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff46299e0d9
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:00007ffed8c388e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff462c25fa0 RCX: 00007ff46299e0d9
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007ff462a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff462c25fac R14: 00007ff462c25fa0 R15: 00007ff462c25fa0
 </TASK>

final repro crashed as (corrupted=false):
------------[ cut here ]------------
dev->config->get_status(dev)
WARNING: drivers/virtio/virtio.c:378 at virtio_dev_remove+0x188/0x1b0 drivers/virtio/virtio.c:378, CPU#1: syz.0.17/5847
Modules linked in:
CPU: 1 UID: 0 PID: 5847 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:virtio_dev_remove+0x188/0x1b0 drivers/virtio/virtio.c:378
Code: 4c 89 f7 2e e8 6d aa 9c 1a 0c 01 0f b6 f0 4c 89 f7 4d 89 fb 5b 41 5c 41 5d 41 5e 41 5f 5d 2e e9 1a f2 9b 1a e8 39 c5 63 fc 90 <0f> 0b 90 e9 6e ff ff ff 44 89 e9 80 e1 07 38 c1 0f 8c c2 fe ff ff
RSP: 0018:ffffc900032b77d8 EFLAGS: 00010293
RAX: ffffffff85641767 RBX: ffff888020b13558 RCX: ffff88802f253e80
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 0000000000000000
RBP: 00000000000000ff R08: ffffffff909bb17f R09: 1ffffffff213762f
R10: dffffc0000000000 R11: ffffffff85667560 R12: 1ffff110041626ab
R13: dffffc0000000000 R14: ffff888020b13000 R15: ffffffff8c7aed78
FS:  000055557b377500(0000) GS:ffff888124988000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f05bd250eb8 CR3: 00000000750d0000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 bus_remove_device+0x444/0x560 drivers/base/bus.c:664
 device_del+0x524/0x8f0 drivers/base/core.c:3965
 device_unregister+0x21/0xf0 drivers/base/core.c:4006
 unregister_virtio_device+0x37/0x60 drivers/virtio/virtio.c:607
 virtio_pci_remove+0x7f/0xf0 drivers/virtio/virtio_pci_common.c:758
 pci_device_remove+0x99/0x1c0 drivers/pci/pci-driver.c:535
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 pci_stop_dev drivers/pci/remove.c:27 [inline]
 pci_stop_bus_device+0xf6/0x120 drivers/pci/remove.c:94
 pci_stop_and_remove_bus_device drivers/pci/remove.c:129 [inline]
 pci_stop_and_remove_bus_device_locked+0x77/0xb0 drivers/pci/remove.c:137
 remove_store+0xe5/0x150 drivers/pci/pci-sysfs.c:524
 kernfs_fop_write_iter+0x3a4/0x540 fs/kernfs/file.c:345
 new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x612/0xba0 fs/read_write.c:687
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7ff46299e0d9
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:00007ffed8c388e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007ff462c25fa0 RCX: 00007ff46299e0d9
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007ff462a35024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ff462c25fac R14: 00007ff462c25fa0 R15: 00007ff462c25fa0
 </TASK>