Extracting prog: 4m28.701560419s
Minimizing prog: 1h16m36.100208548s
Simplifying prog options: 6m9.602837187s
Extracting C: 3m56.284118643s
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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-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 did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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: slab-use-after-free Read in acpi_ns_get_attached_object
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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=2m33.039681612s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
program did not crash
simplifying guilty program options
testing program (duration=2m33.039681612s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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: slab-use-after-free Read in acpi_ns_get_attached_object
extracting C reproducer
testing compiled C program (duration=2m33.039681612s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-write-mount-openat-write-mkdir-mount-openat-write-openat-write
program did not crash
testing program (duration=2m33.039681612s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-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: slab-use-after-free Read in acpi_ut_update_object_reference
a never seen crash title: KASAN: slab-use-after-free Read in acpi_ut_update_object_reference, ignore
testing program (duration=2m33.039681612s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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: slab-use-after-free Read in acpi_ns_get_attached_object
validation run: crashed=true
testing program (duration=2m33.039681612s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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: slab-use-after-free Read in acpi_ns_get_attached_object
validation run: crashed=true
testing program (duration=2m33.039681612s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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: slab-use-after-free Read in acpi_ns_get_attached_object
validation run: crashed=true
reproducing took 1h35m40.336236714s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in acpi_ns_get_attached_object+0x166/0x190 drivers/acpi/acpica/nsobject.c:264
Read of size 1 at addr ffff888021a8b0d8 by task kworker/0:5/5742
CPU: 0 UID: 0 PID: 5742 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: sync_wq local_pci_probe_callback
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description+0x55/0x1e0 mm/kasan/report.c:378
print_report+0x58/0x70 mm/kasan/report.c:482
kasan_report+0x117/0x150 mm/kasan/report.c:595
acpi_ns_get_attached_object+0x166/0x190 drivers/acpi/acpica/nsobject.c:264
acpi_ns_evaluate+0x1a4/0x1320 drivers/acpi/acpica/nseval.c:83
acpi_ut_evaluate_object+0xe1/0x560 drivers/acpi/acpica/uteval.c:60
acpi_rs_get_prt_method_data+0xb2/0x150 drivers/acpi/acpica/rsutils.c:446
acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137
acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215
acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299
acpi_pci_irq_enable+0x1ee/0x7a0 drivers/acpi/pci_irq.c:414
do_pci_enable_device+0x26f/0x4a0 drivers/pci/pci.c:2031
pci_enable_device_flags+0x5ab/0x700 drivers/pci/pci.c:2122
virtio_pci_probe+0x1ab/0x340 drivers/virtio/virtio_pci_common.c:703
local_pci_probe drivers/pci/pci-driver.c:354 [inline]
local_pci_probe_callback+0x120/0x1e0 drivers/pci/pci-driver.c:383
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
kthread+0x38b/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Allocated by task 1:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:351 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x360/0x690 mm/slub.c:5010
acpi_ut_allocate_object_desc_dbg+0x8c/0x230 drivers/acpi/acpica/utobject.c:359
acpi_ut_create_internal_object_dbg+0x4d/0x310 drivers/acpi/acpica/utobject.c:69
acpi_ds_build_internal_object+0x294/0x690 drivers/acpi/acpica/dsobject.c:94
acpi_ds_create_node+0xb6/0x1b0 drivers/acpi/acpica/dsobject.c:281
acpi_ds_exec_end_op+0xe18/0x1b00 drivers/acpi/acpica/dswexec.c:594
acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
acpi_ps_execute_table+0x352/0x440 drivers/acpi/acpica/psxface.c:295
acpi_ns_execute_table+0x5d0/0x890 drivers/acpi/acpica/nsparse.c:116
acpi_ns_parse_table+0xef/0x170 drivers/acpi/acpica/nsparse.c:268
acpi_ns_load_table+0x131/0x430 drivers/acpi/acpica/nsload.c:71
acpi_tb_load_namespace+0x2ca/0x880 drivers/acpi/acpica/tbxfload.c:158
acpi_load_tables+0x53/0xf0 drivers/acpi/acpica/tbxfload.c:59
acpi_bus_init+0x82/0x360 drivers/acpi/bus.c:1373
acpi_init+0xa1/0x1f0 drivers/acpi/bus.c:1486
do_one_initcall+0x250/0x870 init/main.c:1362
do_initcall_level+0x10a/0x1a0 init/main.c:1424
do_initcalls+0x59/0xa0 init/main.c:1440
kernel_init_freeable+0x29d/0x3e0 init/main.c:1675
kernel_init+0x22/0x1d0 init/main.c:1565
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Freed by task 5965:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:264 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2748 [inline]
slab_free mm/slub.c:6509 [inline]
kmem_cache_free+0x187/0x6d0 mm/slub.c:6636
acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1661
acpi_ut_delete_object_desc+0x9b/0x110 drivers/acpi/acpica/utobject.c:402
acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
acpi_ut_update_ref_count+0x174c/0x1d10 drivers/acpi/acpica/utdelete.c:436
acpi_ut_update_object_reference+0x4a8/0x870 drivers/acpi/acpica/utdelete.c:632
acpi_rs_get_prt_method_data+0xeb/0x150 drivers/acpi/acpica/rsutils.c:460
acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137
acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215
acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299
acpi_pci_irq_disable+0x151/0x340 drivers/acpi/pci_irq.c:499
do_pci_disable_device drivers/pci/pci.c:2203 [inline]
pci_disable_device+0x1d6/0x320 drivers/pci/pci.c:2239
virtio_pci_remove+0xc1/0xf0 drivers/virtio/virtio_pci_common.c:767
pci_device_remove+0x99/0x1c0 drivers/pci/pci-driver.c:535
device_remove drivers/base/dd.c:616 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
pci_stop_dev drivers/pci/remove.c:27 [inline]
pci_stop_bus_device+0xf6/0x120 drivers/pci/remove.c:94
pci_stop_and_remove_bus_device drivers/pci/remove.c:129 [inline]
pci_stop_and_remove_bus_device_locked+0x77/0xb0 drivers/pci/remove.c:137
remove_store+0xe5/0x150 drivers/pci/pci-sysfs.c:524
kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff888021a8b0d0
which belongs to the cache Acpi-Operand of size 72
The buggy address is located 8 bytes inside of
freed 72-byte region [ffff888021a8b0d0, ffff888021a8b118)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888021a8b820 pfn:0x21a8b
flags: 0x80000000000200(workingset|node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000200 ffff88813ff79dc0 ffffea000084ba10 ffff88801beac788
raw: ffff888021a8b820 0000000200270020 00000000f5000000 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 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2858950175
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
prep_new_page mm/page_alloc.c:1879 [inline]
get_page_from_freelist+0x2591/0x2600 mm/page_alloc.c:3943
__alloc_frozen_pages_noprof+0x230/0x5c0 mm/page_alloc.c:5436
alloc_slab_page mm/slub.c:3347 [inline]
allocate_slab+0x7d/0x620 mm/slub.c:3462
new_slab mm/slub.c:3513 [inline]
refill_objects+0x2d8/0x350 mm/slub.c:7418
refill_sheaf mm/slub.c:2885 [inline]
__pcs_replace_empty_main+0x339/0x690 mm/slub.c:4774
alloc_from_pcs mm/slub.c:4850 [inline]
slab_alloc_node mm/slub.c:4984 [inline]
kmem_cache_alloc_noprof+0x45d/0x690 mm/slub.c:5010
acpi_ut_allocate_object_desc_dbg+0x8c/0x230 drivers/acpi/acpica/utobject.c:359
acpi_ut_create_internal_object_dbg+0x4d/0x310 drivers/acpi/acpica/utobject.c:69
acpi_ds_build_internal_object+0x294/0x690 drivers/acpi/acpica/dsobject.c:94
acpi_ds_build_internal_package_obj+0x599/0xbe0 drivers/acpi/acpica/dspkginit.c:202
acpi_ds_eval_data_object_operands+0x337/0x5c0 drivers/acpi/acpica/dsopcode.c:638
acpi_ds_exec_end_op+0x1307/0x1b00 drivers/acpi/acpica/dswexec.c:-1
acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
acpi_ps_execute_table+0x352/0x440 drivers/acpi/acpica/psxface.c:295
page_owner free stack trace missing
Memory state around the buggy address:
ffff888021a8af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888021a8b000: 00 00 00 00 00 00 00 00 00 fc fc fc fc fa fb fb
>ffff888021a8b080: fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb fb
^
ffff888021a8b100: fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb fb
ffff888021a8b180: fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc fc
==================================================================
final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in acpi_ns_get_attached_object+0x166/0x190 drivers/acpi/acpica/nsobject.c:264
Read of size 1 at addr ffff888021a8b0d8 by task kworker/0:5/5742
CPU: 0 UID: 0 PID: 5742 Comm: kworker/0:5 Not tainted syzkaller #0 PREEMPT_{RT,(full)}
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
Workqueue: sync_wq local_pci_probe_callback
Call Trace:
dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
print_address_description+0x55/0x1e0 mm/kasan/report.c:378
print_report+0x58/0x70 mm/kasan/report.c:482
kasan_report+0x117/0x150 mm/kasan/report.c:595
acpi_ns_get_attached_object+0x166/0x190 drivers/acpi/acpica/nsobject.c:264
acpi_ns_evaluate+0x1a4/0x1320 drivers/acpi/acpica/nseval.c:83
acpi_ut_evaluate_object+0xe1/0x560 drivers/acpi/acpica/uteval.c:60
acpi_rs_get_prt_method_data+0xb2/0x150 drivers/acpi/acpica/rsutils.c:446
acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137
acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215
acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299
acpi_pci_irq_enable+0x1ee/0x7a0 drivers/acpi/pci_irq.c:414
do_pci_enable_device+0x26f/0x4a0 drivers/pci/pci.c:2031
pci_enable_device_flags+0x5ab/0x700 drivers/pci/pci.c:2122
virtio_pci_probe+0x1ab/0x340 drivers/virtio/virtio_pci_common.c:703
local_pci_probe drivers/pci/pci-driver.c:354 [inline]
local_pci_probe_callback+0x120/0x1e0 drivers/pci/pci-driver.c:383
process_one_work kernel/workqueue.c:3396 [inline]
process_scheduled_works+0xc3d/0x1630 kernel/workqueue.c:3479
worker_thread+0xa47/0xfb0 kernel/workqueue.c:3560
kthread+0x38b/0x470 kernel/kthread.c:436
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Allocated by task 1:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
unpoison_slab_object mm/kasan/common.c:351 [inline]
__kasan_slab_alloc+0x6c/0x80 mm/kasan/common.c:377
kasan_slab_alloc include/linux/kasan.h:253 [inline]
slab_post_alloc_hook mm/slub.c:4683 [inline]
slab_alloc_node mm/slub.c:4996 [inline]
kmem_cache_alloc_noprof+0x360/0x690 mm/slub.c:5010
acpi_ut_allocate_object_desc_dbg+0x8c/0x230 drivers/acpi/acpica/utobject.c:359
acpi_ut_create_internal_object_dbg+0x4d/0x310 drivers/acpi/acpica/utobject.c:69
acpi_ds_build_internal_object+0x294/0x690 drivers/acpi/acpica/dsobject.c:94
acpi_ds_create_node+0xb6/0x1b0 drivers/acpi/acpica/dsobject.c:281
acpi_ds_exec_end_op+0xe18/0x1b00 drivers/acpi/acpica/dswexec.c:594
acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
acpi_ps_execute_table+0x352/0x440 drivers/acpi/acpica/psxface.c:295
acpi_ns_execute_table+0x5d0/0x890 drivers/acpi/acpica/nsparse.c:116
acpi_ns_parse_table+0xef/0x170 drivers/acpi/acpica/nsparse.c:268
acpi_ns_load_table+0x131/0x430 drivers/acpi/acpica/nsload.c:71
acpi_tb_load_namespace+0x2ca/0x880 drivers/acpi/acpica/tbxfload.c:158
acpi_load_tables+0x53/0xf0 drivers/acpi/acpica/tbxfload.c:59
acpi_bus_init+0x82/0x360 drivers/acpi/bus.c:1373
acpi_init+0xa1/0x1f0 drivers/acpi/bus.c:1486
do_one_initcall+0x250/0x870 init/main.c:1362
do_initcall_level+0x10a/0x1a0 init/main.c:1424
do_initcalls+0x59/0xa0 init/main.c:1440
kernel_init_freeable+0x29d/0x3e0 init/main.c:1675
kernel_init+0x22/0x1d0 init/main.c:1565
ret_from_fork+0x514/0xb70 arch/x86/kernel/process.c:158
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Freed by task 5965:
kasan_save_stack mm/kasan/common.c:57 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
poison_slab_object mm/kasan/common.c:264 [inline]
__kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
kasan_slab_free include/linux/kasan.h:235 [inline]
slab_free_hook mm/slub.c:2748 [inline]
slab_free mm/slub.c:6509 [inline]
kmem_cache_free+0x187/0x6d0 mm/slub.c:6636
acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1661
acpi_ut_delete_object_desc+0x9b/0x110 drivers/acpi/acpica/utobject.c:402
acpi_ut_delete_internal_obj drivers/acpi/acpica/utdelete.c:316 [inline]
acpi_ut_update_ref_count+0x174c/0x1d10 drivers/acpi/acpica/utdelete.c:436
acpi_ut_update_object_reference+0x4a8/0x870 drivers/acpi/acpica/utdelete.c:632
acpi_rs_get_prt_method_data+0xeb/0x150 drivers/acpi/acpica/rsutils.c:460
acpi_get_irq_routing_table+0x98/0xe0 drivers/acpi/acpica/rsxface.c:137
acpi_pci_irq_find_prt_entry+0x163/0x1040 drivers/acpi/pci_irq.c:215
acpi_pci_irq_lookup+0x45/0x690 drivers/acpi/pci_irq.c:299
acpi_pci_irq_disable+0x151/0x340 drivers/acpi/pci_irq.c:499
do_pci_disable_device drivers/pci/pci.c:2203 [inline]
pci_disable_device+0x1d6/0x320 drivers/pci/pci.c:2239
virtio_pci_remove+0xc1/0xf0 drivers/virtio/virtio_pci_common.c:767
pci_device_remove+0x99/0x1c0 drivers/pci/pci-driver.c:535
device_remove drivers/base/dd.c:616 [inline]
__device_release_driver drivers/base/dd.c:1349 [inline]
device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
pci_stop_dev drivers/pci/remove.c:27 [inline]
pci_stop_bus_device+0xf6/0x120 drivers/pci/remove.c:94
pci_stop_and_remove_bus_device drivers/pci/remove.c:129 [inline]
pci_stop_and_remove_bus_device_locked+0x77/0xb0 drivers/pci/remove.c:137
remove_store+0xe5/0x150 drivers/pci/pci-sysfs.c:524
kernfs_fop_write_iter+0x3a5/0x540 fs/kernfs/file.c:345
new_sync_write fs/read_write.c:595 [inline]
vfs_write+0x61e/0xbb0 fs/read_write.c:687
ksys_write+0x156/0x270 fs/read_write.c:739
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
The buggy address belongs to the object at ffff888021a8b0d0
which belongs to the cache Acpi-Operand of size 72
The buggy address is located 8 bytes inside of
freed 72-byte region [ffff888021a8b0d0, ffff888021a8b118)
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888021a8b820 pfn:0x21a8b
flags: 0x80000000000200(workingset|node=0|zone=1)
page_type: f5(slab)
raw: 0080000000000200 ffff88813ff79dc0 ffffea000084ba10 ffff88801beac788
raw: ffff888021a8b820 0000000200270020 00000000f5000000 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 0xd2cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 1, tgid 1 (swapper/0), ts 2858950175
set_page_owner include/linux/page_owner.h:33 [inline]
post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
prep_new_page mm/page_alloc.c:1879 [inline]
get_page_from_freelist+0x2591/0x2600 mm/page_alloc.c:3943
__alloc_frozen_pages_noprof+0x230/0x5c0 mm/page_alloc.c:5436
alloc_slab_page mm/slub.c:3347 [inline]
allocate_slab+0x7d/0x620 mm/slub.c:3462
new_slab mm/slub.c:3513 [inline]
refill_objects+0x2d8/0x350 mm/slub.c:7418
refill_sheaf mm/slub.c:2885 [inline]
__pcs_replace_empty_main+0x339/0x690 mm/slub.c:4774
alloc_from_pcs mm/slub.c:4850 [inline]
slab_alloc_node mm/slub.c:4984 [inline]
kmem_cache_alloc_noprof+0x45d/0x690 mm/slub.c:5010
acpi_ut_allocate_object_desc_dbg+0x8c/0x230 drivers/acpi/acpica/utobject.c:359
acpi_ut_create_internal_object_dbg+0x4d/0x310 drivers/acpi/acpica/utobject.c:69
acpi_ds_build_internal_object+0x294/0x690 drivers/acpi/acpica/dsobject.c:94
acpi_ds_build_internal_package_obj+0x599/0xbe0 drivers/acpi/acpica/dspkginit.c:202
acpi_ds_eval_data_object_operands+0x337/0x5c0 drivers/acpi/acpica/dsopcode.c:638
acpi_ds_exec_end_op+0x1307/0x1b00 drivers/acpi/acpica/dswexec.c:-1
acpi_ps_parse_loop+0xfa3/0x23f0 drivers/acpi/acpica/psloop.c:553
acpi_ps_parse_aml+0x388/0x1020 drivers/acpi/acpica/psparse.c:489
acpi_ps_execute_table+0x352/0x440 drivers/acpi/acpica/psxface.c:295
page_owner free stack trace missing
Memory state around the buggy address:
ffff888021a8af80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff888021a8b000: 00 00 00 00 00 00 00 00 00 fc fc fc fc fa fb fb
>ffff888021a8b080: fb fb fb fb fb fb fc fc fc fc fa fb fb fb fb fb
^
ffff888021a8b100: fb fb fb fc fc fc fc fa fb fb fb fb fb fb fb fb
ffff888021a8b180: fc fc fc fc fa fb fb fb fb fb fb fb fb fc fc fc
==================================================================