Extracting prog: 38.003212768s
Minimizing prog: 19m30.380936051s
Simplifying prog options: 0s
Extracting C: 22.251189224s
Simplifying C: 3m44.612846137s


extracting reproducer from 24 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=34.380163215s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
simplifying C reproducer
testing compiled C program (duration=34.380163215s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=34.380163215s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdir-mount-openat-pwrite64-openat-write
program crashed: WARNING in virtio_dev_remove
testing compiled C program (duration=34.380163215s, {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=34.380163215s, {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=34.380163215s, {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=34.380163215s, {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=34.380163215s, {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=34.380163215s, {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=34.380163215s, {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 26m12.35919703s
repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 383 at drivers/virtio/virtio.c:372 virtio_dev_remove+0x1b6/0x1f0 drivers/virtio/virtio.c:372
Modules linked in:
CPU: 0 UID: 0 PID: 383 Comm: syz.2.17 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:virtio_dev_remove+0x1b6/0x1f0 drivers/virtio/virtio.c:372
Code: db 41 ba 8a 1f bc 81 45 03 53 f1 74 02 0f 0b 2e e8 cf 3a eb 1c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 4a eb 71 fe <0f> 0b 43 80 3c 2c 00 0f 85 65 ff ff ff e9 68 ff ff ff 44 89 e1 80
RSP: 0018:ffffc9000107f7a0 EFLAGS: 00010293
RAX: ffffffff83158676 RBX: ffff888107ebe390 RCX: ffff888114bc3900
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 0000000000000000
RBP: ffffc9000107f7c8 R08: ffffffff81dbe5b8 R09: ffffffff81e0029f
R10: 0000000000000000 R11: ffffffff83173df0 R12: 1ffff11020fd7c72
R13: dffffc0000000000 R14: ffff888107ebe000 R15: 00000000000000ff
FS:  0000555592753500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa68b4dee9c CR3: 00000001150de000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 device_unregister+0x19/0x40 drivers/base/core.c:3922
 unregister_virtio_device+0x38/0x70 drivers/virtio/virtio.c:524
 virtio_pci_remove+0x80/0xf0 drivers/virtio/virtio_pci_common.c:759
 pci_device_remove+0xab/0x260 drivers/pci/pci-driver.c:478
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 pci_stop_dev drivers/pci/remove.c:44 [inline]
 pci_stop_bus_device+0x10c/0x160 drivers/pci/remove.c:109
 pci_stop_and_remove_bus_device drivers/pci/remove.c:143 [inline]
 pci_stop_and_remove_bus_device_locked+0x1e/0x40 drivers/pci/remove.c:151
 remove_store+0xe6/0x150 drivers/pci/pci-sysfs.c:513
 dev_attr_store+0x76/0xa0 drivers/base/core.c:2440
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x319/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4d6879df99
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:00007ffc40574208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4d68a25fa0 RCX: 00007f4d6879df99
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007f4d68834ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4d68a25fac R14: 00007f4d68a25fa0 R15: 00007f4d68a25fa0
 </TASK>
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
------------[ cut here ]------------
WARNING: CPU: 0 PID: 383 at drivers/virtio/virtio.c:372 virtio_dev_remove+0x1b6/0x1f0 drivers/virtio/virtio.c:372
Modules linked in:
CPU: 0 UID: 0 PID: 383 Comm: syz.2.17 Not tainted syzkaller #0 0b31bef96cff8e44f9e14c4f768eb06c85e3b290
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:virtio_dev_remove+0x1b6/0x1f0 drivers/virtio/virtio.c:372
Code: db 41 ba 8a 1f bc 81 45 03 53 f1 74 02 0f 0b 2e e8 cf 3a eb 1c 5b 41 5c 41 5d 41 5e 41 5f 5d c3 cc cc cc cc cc e8 4a eb 71 fe <0f> 0b 43 80 3c 2c 00 0f 85 65 ff ff ff e9 68 ff ff ff 44 89 e1 80
RSP: 0018:ffffc9000107f7a0 EFLAGS: 00010293
RAX: ffffffff83158676 RBX: ffff888107ebe390 RCX: ffff888114bc3900
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 0000000000000000
RBP: ffffc9000107f7c8 R08: ffffffff81dbe5b8 R09: ffffffff81e0029f
R10: 0000000000000000 R11: ffffffff83173df0 R12: 1ffff11020fd7c72
R13: dffffc0000000000 R14: ffff888107ebe000 R15: 00000000000000ff
FS:  0000555592753500(0000) GS:ffff8881f6e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fa68b4dee9c CR3: 00000001150de000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 device_unregister+0x19/0x40 drivers/base/core.c:3922
 unregister_virtio_device+0x38/0x70 drivers/virtio/virtio.c:524
 virtio_pci_remove+0x80/0xf0 drivers/virtio/virtio_pci_common.c:759
 pci_device_remove+0xab/0x260 drivers/pci/pci-driver.c:478
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4ad/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 pci_stop_dev drivers/pci/remove.c:44 [inline]
 pci_stop_bus_device+0x10c/0x160 drivers/pci/remove.c:109
 pci_stop_and_remove_bus_device drivers/pci/remove.c:143 [inline]
 pci_stop_and_remove_bus_device_locked+0x1e/0x40 drivers/pci/remove.c:151
 remove_store+0xe6/0x150 drivers/pci/pci-sysfs.c:513
 dev_attr_store+0x76/0xa0 drivers/base/core.c:2440
 sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
 kernfs_fop_write_iter+0x319/0x510 fs/kernfs/file.c:352
 new_sync_write fs/read_write.c:591 [inline]
 vfs_write+0x762/0xfd0 fs/read_write.c:684
 ksys_write+0x145/0x260 fs/read_write.c:737
 __do_sys_write fs/read_write.c:749 [inline]
 __se_sys_write fs/read_write.c:746 [inline]
 __x64_sys_write+0x7f/0x90 fs/read_write.c:746
 x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:47 [inline]
 do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
 entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f4d6879df99
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:00007ffc40574208 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f4d68a25fa0 RCX: 00007f4d6879df99
RDX: 0000000000000001 RSI: 0000200000000200 RDI: 0000000000000004
RBP: 00007f4d68834ec4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4d68a25fac R14: 00007f4d68a25fa0 R15: 00007f4d68a25fa0
 </TASK>
---[ end trace 0000000000000000 ]---