Extracting prog: 1m31.572725595s
Minimizing prog: 23m31.695972615s
Simplifying prog options: 2m51.284036537s
Extracting C: 30.248602442s
Simplifying C: 0s


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: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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program crashed: KASAN: use-after-free Read in acpi_ut_update_object_reference
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
write(0xffffffffffffffff, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r1, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000400)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r1, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r1, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
write(0xffffffffffffffff, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r0, &(0x7f0000000400)='1', 0x1)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r1, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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: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}}): write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, 0x0, 0x0)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000), 0x0)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, 0x0, &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', 0x0, 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, 0x0, 0x0)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000), 0x0)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', 0x0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400), 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, 0x0, 0x0)

program did not crash
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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600), 0x0)

program did not crash
extracting C reproducer
testing compiled C 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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
program did not crash
simplifying guilty program options
testing program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program crashed: KASAN: use-after-free Read in acpi_ut_update_object_reference
extracting C reproducer
testing compiled C program (duration=30s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
program did not crash
testing program (duration=30s, {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}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program crashed: KASAN: use-after-free Read in acpi_ut_update_object_reference
extracting C reproducer
testing compiled C program (duration=30s, {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}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
program did not crash
testing program (duration=30s, {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}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program crashed: KASAN: use-after-free Read in acpi_ut_update_object_reference
validation run: crashed=true
testing program (duration=30s, {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}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program crashed: KASAN: use-after-free Read in acpi_ut_update_object_reference
validation run: crashed=true
testing program (duration=30s, {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}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000080)='./proc\x00', 0x1ff)
write(0xffffffffffffffff, &(0x7f0000000000)='270', 0x3)
mount(0x0, &(0x7f0000000200)='./proc\x00', &(0x7f0000000040)='proc\x00', 0x8000, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000140)='./proc/thread-self/fail-nth\x00', 0x2, 0x44)
write(r0, &(0x7f0000000000)='3', 0x4e)
mkdir(&(0x7f0000000000)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./sys/bus/pci/devices/0000:00:04.0/remove\x00', 0x1, 0x0)
write(r1, &(0x7f0000000400)='1', 0x1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000500)='./sys/bus/pci/rescan\x00', 0x1, 0x0)
write(r2, &(0x7f0000000600)='1', 0x1e)

program crashed: KASAN: use-after-free Read in acpi_ut_update_object_reference
validation run: crashed=true
reproducing took 30m31.621802905s
repro crashed as (corrupted=false):
pci 0000:00:04.0: reg 0x10: [io  0xc040-0xc07f]
pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
pci 0000:00:04.0: BAR 1: assigned [mem 0xc0000000-0xc000007f]
pci 0000:00:04.0: BAR 0: assigned [io  0x1000-0x103f]
==================================================================
BUG: KASAN: use-after-free in acpi_ut_update_object_reference+0x29d/0x6c0 drivers/acpi/acpica/utdelete.c:544
Read of size 1 at addr ffff88810878d279 by task syz.2.17/370

CPU: 1 PID: 370 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 acpi_ut_update_object_reference+0x29d/0x6c0 drivers/acpi/acpica/utdelete.c:544
 acpi_ut_add_reference+0x39/0x50 drivers/acpi/acpica/utdelete.c:694
 acpi_ex_resolve_node_to_value+0x533/0x650 drivers/acpi/acpica/exresnte.c:-1
 acpi_ns_evaluate+0x5a7/0xa20 drivers/acpi/acpica/nseval.c:238
 acpi_ut_evaluate_object+0x12f/0x480 drivers/acpi/acpica/uteval.c:60
 acpi_rs_get_prt_method_data+0x92/0x110 drivers/acpi/acpica/rsutils.c:446
 acpi_get_irq_routing_table+0xb4/0xe0 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x160/0xe70 drivers/acpi/pci_irq.c:214
 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:298
 acpi_pci_irq_enable+0x1da/0x670 drivers/acpi/pci_irq.c:411
 pcibios_enable_device+0xc7/0x120 arch/x86/pci/common.c:691
 do_pci_enable_device+0x2c5/0x520 drivers/pci/pci.c:1814
 pci_enable_device_flags+0x6da/0x900 drivers/pci/pci.c:1899
 pci_enable_device+0x1a/0x20 drivers/pci/pci.c:1946
 virtio_pci_probe+0x15c/0x320 drivers/virtio/virtio_pci_common.c:534
 local_pci_probe drivers/pci/pci-driver.c:323 [inline]
 pci_call_probe drivers/pci/pci-driver.c:380 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:405 [inline]
 pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:448
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x27d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
 __device_attach+0x2b0/0x420 drivers/base/dd.c:979
 device_attach+0x17/0x20 drivers/base/dd.c:1022
 pci_bus_add_device+0x7a/0x110 drivers/pci/bus.c:345
 pci_bus_add_devices+0x94/0x1c0 drivers/pci/bus.c:368
 pci_rescan_bus+0x2c/0x40 drivers/pci/probe.c:3289
 rescan_store+0xc9/0x150 drivers/pci/pci-sysfs.c:444
 bus_attr_store+0x79/0xa0 drivers/base/bus.c:124
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2218 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc5c44d9b19
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:00007ffc81e6f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc5c475ffa0 RCX: 00007fc5c44d9b19
RDX: 000000000000001e RSI: 0000200000000600 RDI: 0000000000000005
RBP: 00007fc5c4571b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5c475ffac R14: 00007fc5c475ffa0 R15: 00007fc5c475ffa0
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3245 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260
 kmem_cache_zalloc include/linux/slab.h:740 [inline]
 acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
 acpi_ut_allocate_object_desc_dbg drivers/acpi/acpica/utobject.c:359 [inline]
 acpi_ut_create_internal_object_dbg+0xe9/0x470 drivers/acpi/acpica/utobject.c:69
 acpi_ds_build_internal_package_obj+0x180/0xb20 drivers/acpi/acpica/dspkginit.c:92
 acpi_ds_eval_data_object_operands+0x2df/0x530 drivers/acpi/acpica/dsopcode.c:637
 acpi_ds_exec_end_op+0xb60/0x1190 drivers/acpi/acpica/dswexec.c:-1
 acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x214/0x9a0 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x332/0x410 drivers/acpi/acpica/psxface.c:295
 acpi_ns_execute_table+0x3ac/0x570 drivers/acpi/acpica/nsparse.c:116
 acpi_ns_parse_table+0x1d/0x30 drivers/acpi/acpica/nsparse.c:268
 acpi_ns_load_table+0x6b/0x130 drivers/acpi/acpica/nsload.c:71
 acpi_tb_load_namespace+0x287/0x6d0 drivers/acpi/acpica/tbxfload.c:158
 acpi_load_tables+0x47/0x100 drivers/acpi/acpica/tbxfload.c:59
 acpi_bus_init+0x8a/0x720 drivers/acpi/bus.c:1231
 acpi_init+0xbc/0x220 drivers/acpi/bus.c:1344
 do_one_initcall+0x1fc/0x5a0 init/main.c:1279
 do_initcall_level+0x174/0x2e0 init/main.c:1352
 do_initcalls+0x50/0xa0 init/main.c:1368
 do_basic_setup+0x81/0x90 init/main.c:1387
 kernel_init_freeable+0x298/0x3d0 init/main.c:1592
 kernel_init+0x1d/0x1b0 init/main.c:1483
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kmem_cache_free+0x100/0x320 mm/slub.c:3544
 acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1702
 acpi_ut_delete_object_desc+0x78/0xd0 drivers/acpi/acpica/utobject.c:402
 acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
 acpi_ut_update_ref_count+0xab3/0xbe0 drivers/acpi/acpica/utdelete.c:436
 acpi_ut_update_object_reference+0x537/0x6c0 drivers/acpi/acpica/utdelete.c:632
 acpi_ut_remove_reference+0x83/0xb0 drivers/acpi/acpica/utdelete.c:740
 acpi_rs_get_prt_method_data+0xc9/0x110 drivers/acpi/acpica/rsutils.c:460
 acpi_get_irq_routing_table+0xb4/0xe0 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x160/0xe70 drivers/acpi/pci_irq.c:214
 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:298
 acpi_pci_irq_disable+0x190/0x390 drivers/acpi/pci_irq.c:493
 pcibios_disable_device+0xa7/0x100 arch/x86/pci/common.c:698
 do_pci_disable_device drivers/pci/pci.c:2111 [inline]
 pci_disable_device+0x213/0x3f0 drivers/pci/pci.c:2151
 virtio_pci_remove+0xc4/0xe0 drivers/virtio/virtio_pci_common.c:598
 pci_device_remove+0xa6/0x1d0 drivers/pci/pci-driver.c:471
 __device_release_driver drivers/base/dd.c:1227 [inline]
 device_release_driver_internal+0x4e8/0x7c0 drivers/base/dd.c:1262
 device_release_driver+0x19/0x20 drivers/base/dd.c:1285
 pci_stop_dev drivers/pci/remove.c:23 [inline]
 pci_stop_bus_device+0x10c/0x140 drivers/pci/remove.c:83
 pci_stop_and_remove_bus_device drivers/pci/remove.c:117 [inline]
 pci_stop_and_remove_bus_device_locked+0x1a/0x30 drivers/pci/remove.c:125
 remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:494
 dev_attr_store+0x5e/0x80 drivers/base/core.c:2136
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2218 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88810878d270
 which belongs to the cache Acpi-Operand of size 72
The buggy address is located 9 bytes inside of
 72-byte region [ffff88810878d270, ffff88810878d2b8)
The buggy address belongs to the page:
page:ffffea000421e340 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88810878d6e8 pfn:0x10878d
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea000419f5c8 ffffea0004197588 ffff88810004dc80
raw: ffff88810878d6e8 000000000027001e 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 1436507075, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2610
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2616
 get_page_from_freelist+0x2d42/0x2dd0 mm/page_alloc.c:4492
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5829
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0x138/0x260 mm/slub.c:3260
 kmem_cache_zalloc include/linux/slab.h:740 [inline]
 acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
 acpi_ut_allocate_object_desc_dbg drivers/acpi/acpica/utobject.c:359 [inline]
 acpi_ut_create_internal_object_dbg+0xe9/0x470 drivers/acpi/acpica/utobject.c:69
 acpi_ds_create_operand+0x2e6/0x8b0 drivers/acpi/acpica/dsutils.c:617
 acpi_ds_create_operands+0x271/0x410 drivers/acpi/acpica/dsutils.c:707
 acpi_ds_eval_region_operands+0xa1/0x530 drivers/acpi/acpica/dsopcode.c:382
 acpi_ds_exec_end_op+0x97a/0x1190 drivers/acpi/acpica/dswexec.c:647
 acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x214/0x9a0 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x332/0x410 drivers/acpi/acpica/psxface.c:295
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810878d100: fb fb fb fc fc fc fc fb fb fb fb fb fb fb fb fb
 ffff88810878d180: fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc fc
>ffff88810878d200: fc fa fb fb fb fb fb fb fb fb fc fc fc fc fa fb
                                                                ^
 ffff88810878d280: fb fb fb fb fb fb fb fc fc fc fc 00 00 00 00 00
 ffff88810878d300: 00 00 00 00 fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
ACPI Warning: 
Obj ffff88810878d270, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: 
Obj ffff88810878dbc8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878daf8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878d820, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878d0d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878af70, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a958, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a478, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a680, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a548, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a6e8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b10d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1068, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1e38, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1340, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b15b0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1000, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b17b8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4d00, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4618, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4208, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4c98, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4a90, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4888, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6270, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6bc8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6af8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6820, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b60d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6068, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6e38, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8f70, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8958, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8478, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8680, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8548, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b86e8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbd68, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bb9c0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbb60, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbd00, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bb618, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bb208, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbc98, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc820, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc0d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc068, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bce38, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc340, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc5b0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bf4e0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bf2d8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bf270, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bfbc8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Error: (PRT[0]) Need package of length 4, found length 128 (20210730/rscreate-248)
ACPI Error: ffff88810878d270 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878dbc8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878daf8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878d820 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878d0d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878af70 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a958 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a478 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a680 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a548 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a6e8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b10d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1068 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1e38 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1340 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b15b0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1000 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b17b8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4d00 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4618 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4208 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4c98 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4a90 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4888 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6270 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6bc8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6af8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6820 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b60d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6068 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6e38 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8f70 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8958 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8478 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8680 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8548 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b86e8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbd68 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bb9c0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbb60 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbd00 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bb618 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bb208 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbc98 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc820 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc0d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc068 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bce38 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc340 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc5b0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bf4e0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bf2d8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bf270 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bfbc8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
virtio-pci 0000:00:04.0: can't derive routing for PCI INT A
virtio-pci 0000:00:04.0: PCI INT A: no GSI
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver

final repro crashed as (corrupted=false):
pci 0000:00:04.0: reg 0x10: [io  0xc040-0xc07f]
pci 0000:00:04.0: reg 0x14: [mem 0xfe801000-0xfe80107f]
pci 0000:00:04.0: BAR 1: assigned [mem 0xc0000000-0xc000007f]
pci 0000:00:04.0: BAR 0: assigned [io  0x1000-0x103f]
==================================================================
BUG: KASAN: use-after-free in acpi_ut_update_object_reference+0x29d/0x6c0 drivers/acpi/acpica/utdelete.c:544
Read of size 1 at addr ffff88810878d279 by task syz.2.17/370

CPU: 1 PID: 370 Comm: syz.2.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:88
 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106
 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248
 __kasan_report mm/kasan/report.c:427 [inline]
 kasan_report+0x10f/0x150 mm/kasan/report.c:444
 __asan_report_load1_noabort+0x14/0x20 mm/kasan/report_generic.c:306
 acpi_ut_update_object_reference+0x29d/0x6c0 drivers/acpi/acpica/utdelete.c:544
 acpi_ut_add_reference+0x39/0x50 drivers/acpi/acpica/utdelete.c:694
 acpi_ex_resolve_node_to_value+0x533/0x650 drivers/acpi/acpica/exresnte.c:-1
 acpi_ns_evaluate+0x5a7/0xa20 drivers/acpi/acpica/nseval.c:238
 acpi_ut_evaluate_object+0x12f/0x480 drivers/acpi/acpica/uteval.c:60
 acpi_rs_get_prt_method_data+0x92/0x110 drivers/acpi/acpica/rsutils.c:446
 acpi_get_irq_routing_table+0xb4/0xe0 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x160/0xe70 drivers/acpi/pci_irq.c:214
 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:298
 acpi_pci_irq_enable+0x1da/0x670 drivers/acpi/pci_irq.c:411
 pcibios_enable_device+0xc7/0x120 arch/x86/pci/common.c:691
 do_pci_enable_device+0x2c5/0x520 drivers/pci/pci.c:1814
 pci_enable_device_flags+0x6da/0x900 drivers/pci/pci.c:1899
 pci_enable_device+0x1a/0x20 drivers/pci/pci.c:1946
 virtio_pci_probe+0x15c/0x320 drivers/virtio/virtio_pci_common.c:534
 local_pci_probe drivers/pci/pci-driver.c:323 [inline]
 pci_call_probe drivers/pci/pci-driver.c:380 [inline]
 __pci_device_probe drivers/pci/pci-driver.c:405 [inline]
 pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:448
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x27d/0x970 drivers/base/dd.c:595
 __driver_probe_device+0x193/0x270 drivers/base/dd.c:755
 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:785
 __device_attach_driver+0x2a6/0x460 drivers/base/dd.c:907
 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:429
 __device_attach+0x2b0/0x420 drivers/base/dd.c:979
 device_attach+0x17/0x20 drivers/base/dd.c:1022
 pci_bus_add_device+0x7a/0x110 drivers/pci/bus.c:345
 pci_bus_add_devices+0x94/0x1c0 drivers/pci/bus.c:368
 pci_rescan_bus+0x2c/0x40 drivers/pci/probe.c:3289
 rescan_store+0xc9/0x150 drivers/pci/pci-sysfs.c:444
 bus_attr_store+0x79/0xa0 drivers/base/bus.c:124
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2218 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc5c44d9b19
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:00007ffc81e6f0b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fc5c475ffa0 RCX: 00007fc5c44d9b19
RDX: 000000000000001e RSI: 0000200000000600 RDI: 0000000000000005
RBP: 00007fc5c4571b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fc5c475ffac R14: 00007fc5c475ffa0 R15: 00007fc5c475ffa0
 </TASK>

Allocated by task 1:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track mm/kasan/common.c:45 [inline]
 set_alloc_info mm/kasan/common.c:433 [inline]
 __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:466
 kasan_slab_alloc include/linux/kasan.h:217 [inline]
 slab_post_alloc_hook+0x4f/0x2b0 mm/slab.h:550
 slab_alloc_node mm/slub.c:3245 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0xf7/0x260 mm/slub.c:3260
 kmem_cache_zalloc include/linux/slab.h:740 [inline]
 acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
 acpi_ut_allocate_object_desc_dbg drivers/acpi/acpica/utobject.c:359 [inline]
 acpi_ut_create_internal_object_dbg+0xe9/0x470 drivers/acpi/acpica/utobject.c:69
 acpi_ds_build_internal_package_obj+0x180/0xb20 drivers/acpi/acpica/dspkginit.c:92
 acpi_ds_eval_data_object_operands+0x2df/0x530 drivers/acpi/acpica/dsopcode.c:637
 acpi_ds_exec_end_op+0xb60/0x1190 drivers/acpi/acpica/dswexec.c:-1
 acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x214/0x9a0 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x332/0x410 drivers/acpi/acpica/psxface.c:295
 acpi_ns_execute_table+0x3ac/0x570 drivers/acpi/acpica/nsparse.c:116
 acpi_ns_parse_table+0x1d/0x30 drivers/acpi/acpica/nsparse.c:268
 acpi_ns_load_table+0x6b/0x130 drivers/acpi/acpica/nsload.c:71
 acpi_tb_load_namespace+0x287/0x6d0 drivers/acpi/acpica/tbxfload.c:158
 acpi_load_tables+0x47/0x100 drivers/acpi/acpica/tbxfload.c:59
 acpi_bus_init+0x8a/0x720 drivers/acpi/bus.c:1231
 acpi_init+0xbc/0x220 drivers/acpi/bus.c:1344
 do_one_initcall+0x1fc/0x5a0 init/main.c:1279
 do_initcall_level+0x174/0x2e0 init/main.c:1352
 do_initcalls+0x50/0xa0 init/main.c:1368
 do_basic_setup+0x81/0x90 init/main.c:1387
 kernel_init_freeable+0x298/0x3d0 init/main.c:1592
 kernel_init+0x1d/0x1b0 init/main.c:1483
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:287

Freed by task 370:
 kasan_save_stack mm/kasan/common.c:38 [inline]
 kasan_set_track+0x4a/0x70 mm/kasan/common.c:45
 kasan_set_free_info+0x23/0x40 mm/kasan/generic.c:370
 ____kasan_slab_free+0x125/0x160 mm/kasan/common.c:365
 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:373
 kasan_slab_free include/linux/kasan.h:193 [inline]
 slab_free_hook mm/slub.c:1728 [inline]
 slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1754
 slab_free mm/slub.c:3526 [inline]
 kmem_cache_free+0x100/0x320 mm/slub.c:3544
 acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1702
 acpi_ut_delete_object_desc+0x78/0xd0 drivers/acpi/acpica/utobject.c:402
 acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
 acpi_ut_update_ref_count+0xab3/0xbe0 drivers/acpi/acpica/utdelete.c:436
 acpi_ut_update_object_reference+0x537/0x6c0 drivers/acpi/acpica/utdelete.c:632
 acpi_ut_remove_reference+0x83/0xb0 drivers/acpi/acpica/utdelete.c:740
 acpi_rs_get_prt_method_data+0xc9/0x110 drivers/acpi/acpica/rsutils.c:460
 acpi_get_irq_routing_table+0xb4/0xe0 drivers/acpi/acpica/rsxface.c:137
 acpi_pci_irq_find_prt_entry+0x160/0xe70 drivers/acpi/pci_irq.c:214
 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:298
 acpi_pci_irq_disable+0x190/0x390 drivers/acpi/pci_irq.c:493
 pcibios_disable_device+0xa7/0x100 arch/x86/pci/common.c:698
 do_pci_disable_device drivers/pci/pci.c:2111 [inline]
 pci_disable_device+0x213/0x3f0 drivers/pci/pci.c:2151
 virtio_pci_remove+0xc4/0xe0 drivers/virtio/virtio_pci_common.c:598
 pci_device_remove+0xa6/0x1d0 drivers/pci/pci-driver.c:471
 __device_release_driver drivers/base/dd.c:1227 [inline]
 device_release_driver_internal+0x4e8/0x7c0 drivers/base/dd.c:1262
 device_release_driver+0x19/0x20 drivers/base/dd.c:1285
 pci_stop_dev drivers/pci/remove.c:23 [inline]
 pci_stop_bus_device+0x10c/0x140 drivers/pci/remove.c:83
 pci_stop_and_remove_bus_device drivers/pci/remove.c:117 [inline]
 pci_stop_and_remove_bus_device_locked+0x1a/0x30 drivers/pci/remove.c:125
 remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:494
 dev_attr_store+0x5e/0x80 drivers/base/core.c:2136
 sysfs_kf_write+0x129/0x150 fs/sysfs/file.c:143
 kernfs_fop_write_iter+0x2bd/0x400 fs/kernfs/file.c:296
 call_write_iter include/linux/fs.h:2218 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0x831/0xfd0 fs/read_write.c:594
 ksys_write+0x14a/0x260 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 x64_sys_call+0x8ef/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0

The buggy address belongs to the object at ffff88810878d270
 which belongs to the cache Acpi-Operand of size 72
The buggy address is located 9 bytes inside of
 72-byte region [ffff88810878d270, ffff88810878d2b8)
The buggy address belongs to the page:
page:ffffea000421e340 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff88810878d6e8 pfn:0x10878d
flags: 0x4000000000000200(slab|zone=1)
raw: 4000000000000200 ffffea000419f5c8 ffffea0004197588 ffff88810004dc80
raw: ffff88810878d6e8 000000000027001e 00000001ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 1, ts 1436507075, free_ts 0
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x192/0x1b0 mm/page_alloc.c:2610
 prep_new_page+0x1c/0x110 mm/page_alloc.c:2616
 get_page_from_freelist+0x2d42/0x2dd0 mm/page_alloc.c:4492
 __alloc_pages+0x1a2/0x460 mm/page_alloc.c:5829
 alloc_slab_page mm/slub.c:-1 [inline]
 allocate_slab mm/slub.c:1937 [inline]
 new_slab+0xa0/0x4d0 mm/slub.c:2000
 ___slab_alloc+0x3ac/0x840 mm/slub.c:3033
 __slab_alloc+0x49/0x90 mm/slub.c:3120
 slab_alloc_node mm/slub.c:3211 [inline]
 slab_alloc mm/slub.c:3255 [inline]
 kmem_cache_alloc+0x138/0x260 mm/slub.c:3260
 kmem_cache_zalloc include/linux/slab.h:740 [inline]
 acpi_os_acquire_object include/acpi/platform/aclinuxex.h:67 [inline]
 acpi_ut_allocate_object_desc_dbg drivers/acpi/acpica/utobject.c:359 [inline]
 acpi_ut_create_internal_object_dbg+0xe9/0x470 drivers/acpi/acpica/utobject.c:69
 acpi_ds_create_operand+0x2e6/0x8b0 drivers/acpi/acpica/dsutils.c:617
 acpi_ds_create_operands+0x271/0x410 drivers/acpi/acpica/dsutils.c:707
 acpi_ds_eval_region_operands+0xa1/0x530 drivers/acpi/acpica/dsopcode.c:382
 acpi_ds_exec_end_op+0x97a/0x1190 drivers/acpi/acpica/dswexec.c:647
 acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:553
 acpi_ps_parse_aml+0x214/0x9a0 drivers/acpi/acpica/psparse.c:489
 acpi_ps_execute_table+0x332/0x410 drivers/acpi/acpica/psxface.c:295
page_owner free stack trace missing

Memory state around the buggy address:
 ffff88810878d100: fb fb fb fc fc fc fc fb fb fb fb fb fb fb fb fb
 ffff88810878d180: fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc fc
>ffff88810878d200: fc fa fb fb fb fb fb fb fb fb fc fc fc fc fa fb
                                                                ^
 ffff88810878d280: fb fb fb fb fb fb fb fc fc fc fc 00 00 00 00 00
 ffff88810878d300: 00 00 00 00 fc fc fc fc fa fb fb fb fb fb fb fb
==================================================================
ACPI Warning: 
Obj ffff88810878d270, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: 
Obj ffff88810878dbc8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878daf8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878d820, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878d0d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878af70, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a958, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a478, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a680, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a548, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff88810878a6e8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b10d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1068, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1e38, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1340, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b15b0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b1000, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b17b8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4d00, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4618, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4208, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4c98, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4a90, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b4888, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6270, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6bc8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6af8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6820, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b60d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6068, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b6e38, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8f70, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8958, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8478, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8680, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b8548, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067b86e8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbd68, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bb9c0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbb60, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbd00, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bb618, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bb208, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bbc98, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc820, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc0d0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc068, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bce38, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc340, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bc5b0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bf4e0, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bf2d8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bf270, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Warning: Obj ffff8881067bfbc8, Reference Count was zero before increment
 (20210730/utdelete-397)
ACPI Error: (PRT[0]) Need package of length 4, found length 128 (20210730/rscreate-248)
ACPI Error: ffff88810878d270 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878dbc8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878daf8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878d820 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878d0d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878af70 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a958 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a478 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a680 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a548 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff88810878a6e8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b10d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1068 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1e38 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1340 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b15b0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b1000 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b17b8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4d00 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4618 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4208 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4c98 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4a90 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b4888 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6270 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6bc8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6af8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6820 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b60d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6068 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b6e38 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8f70 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8958 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8478 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8680 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b8548 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067b86e8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbd68 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bb9c0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbb60 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbd00 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bb618 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bb208 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bbc98 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc820 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc0d0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc068 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bce38 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc340 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bc5b0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bf4e0 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bf2d8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bf270 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
ACPI Error: ffff8881067bfbc8 is not an ACPI Operand object [Not a Descriptor] (20210730/utobject-396)
virtio-pci 0000:00:04.0: can't derive routing for PCI INT A
virtio-pci 0000:00:04.0: PCI INT A: no GSI
virtio-pci 0000:00:04.0: virtio_pci: leaving for legacy driver