Extracting prog: 1m7.79710173s Minimizing prog: 18m26.281687831s Simplifying prog options: 2m25.313946419s Extracting C: 15.721864104s 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 24m26.46361404s repro crashed as (corrupted=false): pci 0000:00:04.0: [1af4:1000] type 00 class 0x020000 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 0xc040-0xc07f] ================================================================== 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 ffff888106788689 by task syz.2.17/366 CPU: 0 PID: 366 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __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:221 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:305 acpi_pci_irq_enable+0x186/0x680 drivers/acpi/pci_irq.c:425 pcibios_enable_device+0xc7/0x120 arch/x86/pci/common.c:691 do_pci_enable_device+0x2c5/0x520 drivers/pci/pci.c:1819 pci_enable_device_flags+0x6da/0x900 drivers/pci/pci.c:1904 pci_enable_device+0x1a/0x20 drivers/pci/pci.c:1951 virtio_pci_probe+0x15c/0x320 drivers/virtio/virtio_pci_common.c:534 local_pci_probe drivers/pci/pci-driver.c:308 [inline] pci_call_probe drivers/pci/pci-driver.c:365 [inline] __pci_device_probe drivers/pci/pci-driver.c:390 [inline] pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:433 really_probe+0x373/0xa60 drivers/base/dd.c:558 driver_probe_device+0xe1/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433 __device_attach+0x2a8/0x410 drivers/base/dd.c:932 device_attach+0x17/0x20 drivers/base/dd.c:975 pci_bus_add_device+0x7a/0x110 drivers/pci/bus.c:324 pci_bus_add_devices+0x94/0x1c0 drivers/pci/bus.c:347 pci_rescan_bus+0x2c/0x40 drivers/pci/probe.c:3268 rescan_store+0xc9/0x150 drivers/pci/pci-sysfs.c:439 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:2072 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x770/0xd70 fs/read_write.c:605 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7efcac98c559 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:00007ffd67d97c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007efcacc12fa0 RCX: 00007efcac98c559 RDX: 000000000000001e RSI: 0000200000000600 RDI: 0000000000000005 RBP: 00007efcaca23b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efcacc12fac R14: 00007efcacc12fa0 R15: 00007efcacc12fa0 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:430 [inline] __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:463 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x15a/0x2d0 mm/slub.c:2965 kmem_cache_zalloc include/linux/slab.h:657 [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:554 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+0x47/0xf6 drivers/acpi/acpica/tbxfload.c:59 acpi_bus_init+0x7c/0x3df drivers/acpi/bus.c:1132 acpi_init+0xca/0x223 drivers/acpi/bus.c:1246 do_one_initcall+0x205/0x5e0 init/main.c:1172 do_initcall_level+0x174/0x2dc init/main.c:1245 do_initcalls+0x50/0x92 init/main.c:1261 do_basic_setup+0x88/0x8f init/main.c:1281 kernel_init_freeable+0x28c/0x3c3 init/main.c:1485 kernel_init+0x11/0x1a0 init/main.c:1372 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Freed by task 366: 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:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kmem_cache_free+0x100/0x2d0 mm/slub.c:3224 acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1717 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:221 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:305 acpi_pci_irq_disable+0x18a/0x390 drivers/acpi/pci_irq.c:507 pcibios_disable_device+0xa7/0x100 arch/x86/pci/common.c:698 do_pci_disable_device drivers/pci/pci.c:2116 [inline] pci_disable_device+0x213/0x3f0 drivers/pci/pci.c:2156 virtio_pci_remove+0xc4/0xe0 drivers/virtio/virtio_pci_common.c:598 pci_device_remove+0xa6/0x1e0 drivers/pci/pci-driver.c:456 __device_release_driver drivers/base/dd.c:-1 [inline] device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221 device_release_driver+0x19/0x20 drivers/base/dd.c:1244 pci_stop_dev drivers/pci/remove.c:22 [inline] pci_stop_bus_device+0x10c/0x140 drivers/pci/remove.c:82 pci_stop_and_remove_bus_device drivers/pci/remove.c:116 [inline] pci_stop_and_remove_bus_device_locked+0x1a/0x30 drivers/pci/remove.c:124 remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:489 dev_attr_store+0x5e/0x80 drivers/base/core.c:2018 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:2072 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x770/0xd70 fs/read_write.c:605 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff888106788680 which belongs to the cache Acpi-Operand of size 72 The buggy address is located 9 bytes inside of 72-byte region [ffff888106788680, ffff8881067886c8) The buggy address belongs to the page: page:ffffea000419e200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888106788138 pfn:0x106788 flags: 0x4000000000000200(slab) raw: 4000000000000200 ffff88810006c110 ffffea000419e488 ffff88810004db00 raw: ffff888106788138 0000000000270022 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 1010653534, free_ts 0 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x1a4/0x2d0 mm/slub.c:2965 kmem_cache_zalloc include/linux/slab.h:657 [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_object+0x292/0x650 drivers/acpi/acpica/dsobject.c:94 acpi_ds_create_node+0x96/0x140 drivers/acpi/acpica/dsobject.c:281 acpi_ds_load2_end_op+0x896/0xf80 drivers/acpi/acpica/dswload2.c:618 acpi_ds_exec_end_op+0x683/0x1190 drivers/acpi/acpica/dswexec.c:638 acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:554 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 page_owner free stack trace missing Memory state around the buggy address: ffff888106788580: 00 00 fc fc fc fc 00 00 00 00 00 00 00 00 00 fc ffff888106788600: fc fc fc 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff888106788680: fa fb fb fb fb fb fb fb fb fc fc fc fc 00 00 00 ^ ffff888106788700: 00 00 00 00 00 00 fc fc fc fc 00 00 00 00 00 00 ffff888106788780: 00 00 00 fc fc fc fc fb fb fb fb fb fb fb fb fb ================================================================== ACPI Warning: Obj ffff888106788680, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106788820, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067884e0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d8f0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678df70, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d680, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d820, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d4e0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d1a0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790a90, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790478, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790750, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790340, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790bc8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790d00, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792410, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067929c0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792e38, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067922d8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792000, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792d68, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794d00, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794af8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794208, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067947b8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794b60, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794dd0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795d68, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795270, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795ea0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795068, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795f08, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795888, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798d00, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798af8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798208, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067987b8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798b60, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798dd0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679c958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679caf8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679c208, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679c7b8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679cb60, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679cdd0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e680, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e820, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e4e0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e1a0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e618, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e0d0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679ec98, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067a0888, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067a06e8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067a0138, Reference Count was zero before increment (20200925/utdelete-397) ACPI Error: (PRT[0]) Need package of length 4, found length 128 (20200925/rscreate-248) ACPI Error: ffff888106788680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106788820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067884e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d8f0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678df70 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d4e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d1a0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790a90 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790478 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790750 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790340 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790bc8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792410 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067929c0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792e38 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067922d8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792000 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792d68 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794208 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067947b8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794b60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794dd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795d68 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795270 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795ea0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795068 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795f08 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795888 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798208 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067987b8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798b60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798dd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679c958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679caf8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679c208 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679c7b8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679cb60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679cdd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e4e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e1a0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e618 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e0d0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679ec98 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067a0888 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067a06e8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067a0138 is not an ACPI Operand object [Not a Descriptor] (20200925/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: [1af4:1000] type 00 class 0x020000 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 0xc040-0xc07f] ================================================================== 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 ffff888106788689 by task syz.2.17/366 CPU: 0 PID: 366 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x1a7/0x208 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0x100/0x140 mm/kasan/report.c:452 __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:221 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:305 acpi_pci_irq_enable+0x186/0x680 drivers/acpi/pci_irq.c:425 pcibios_enable_device+0xc7/0x120 arch/x86/pci/common.c:691 do_pci_enable_device+0x2c5/0x520 drivers/pci/pci.c:1819 pci_enable_device_flags+0x6da/0x900 drivers/pci/pci.c:1904 pci_enable_device+0x1a/0x20 drivers/pci/pci.c:1951 virtio_pci_probe+0x15c/0x320 drivers/virtio/virtio_pci_common.c:534 local_pci_probe drivers/pci/pci-driver.c:308 [inline] pci_call_probe drivers/pci/pci-driver.c:365 [inline] __pci_device_probe drivers/pci/pci-driver.c:390 [inline] pci_device_probe+0x27a/0x440 drivers/pci/pci-driver.c:433 really_probe+0x373/0xa60 drivers/base/dd.c:558 driver_probe_device+0xe1/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x184/0x210 drivers/base/bus.c:433 __device_attach+0x2a8/0x410 drivers/base/dd.c:932 device_attach+0x17/0x20 drivers/base/dd.c:975 pci_bus_add_device+0x7a/0x110 drivers/pci/bus.c:324 pci_bus_add_devices+0x94/0x1c0 drivers/pci/bus.c:347 pci_rescan_bus+0x2c/0x40 drivers/pci/probe.c:3268 rescan_store+0xc9/0x150 drivers/pci/pci-sysfs.c:439 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:2072 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x770/0xd70 fs/read_write.c:605 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7efcac98c559 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:00007ffd67d97c88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007efcacc12fa0 RCX: 00007efcac98c559 RDX: 000000000000001e RSI: 0000200000000600 RDI: 0000000000000005 RBP: 00007efcaca23b20 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007efcacc12fac R14: 00007efcacc12fa0 R15: 00007efcacc12fa0 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:430 [inline] __kasan_slab_alloc+0xb7/0xe0 mm/kasan/common.c:463 kasan_slab_alloc include/linux/kasan.h:244 [inline] slab_post_alloc_hook+0x5d/0x2f0 mm/slab.h:580 slab_alloc_node mm/slub.c:2952 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x15a/0x2d0 mm/slub.c:2965 kmem_cache_zalloc include/linux/slab.h:657 [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:554 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+0x47/0xf6 drivers/acpi/acpica/tbxfload.c:59 acpi_bus_init+0x7c/0x3df drivers/acpi/bus.c:1132 acpi_init+0xca/0x223 drivers/acpi/bus.c:1246 do_one_initcall+0x205/0x5e0 init/main.c:1172 do_initcall_level+0x174/0x2dc init/main.c:1245 do_initcalls+0x50/0x92 init/main.c:1261 do_basic_setup+0x88/0x8f init/main.c:1281 kernel_init_freeable+0x28c/0x3c3 init/main.c:1485 kernel_init+0x11/0x1a0 init/main.c:1372 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Freed by task 366: 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:362 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:370 kasan_slab_free include/linux/kasan.h:220 [inline] slab_free_hook mm/slub.c:1600 [inline] slab_free_freelist_hook+0xc5/0x190 mm/slub.c:1626 slab_free mm/slub.c:3208 [inline] kmem_cache_free+0x100/0x2d0 mm/slub.c:3224 acpi_os_release_object+0x1d/0x30 drivers/acpi/osl.c:1717 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:221 acpi_pci_irq_lookup+0x40/0x580 drivers/acpi/pci_irq.c:305 acpi_pci_irq_disable+0x18a/0x390 drivers/acpi/pci_irq.c:507 pcibios_disable_device+0xa7/0x100 arch/x86/pci/common.c:698 do_pci_disable_device drivers/pci/pci.c:2116 [inline] pci_disable_device+0x213/0x3f0 drivers/pci/pci.c:2156 virtio_pci_remove+0xc4/0xe0 drivers/virtio/virtio_pci_common.c:598 pci_device_remove+0xa6/0x1e0 drivers/pci/pci-driver.c:456 __device_release_driver drivers/base/dd.c:-1 [inline] device_release_driver_internal+0x531/0x7c0 drivers/base/dd.c:1221 device_release_driver+0x19/0x20 drivers/base/dd.c:1244 pci_stop_dev drivers/pci/remove.c:22 [inline] pci_stop_bus_device+0x10c/0x140 drivers/pci/remove.c:82 pci_stop_and_remove_bus_device drivers/pci/remove.c:116 [inline] pci_stop_and_remove_bus_device_locked+0x1a/0x30 drivers/pci/remove.c:124 remove_store+0xe2/0x140 drivers/pci/pci-sysfs.c:489 dev_attr_store+0x5e/0x80 drivers/base/core.c:2018 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:2072 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x770/0xd70 fs/read_write.c:605 ksys_write+0x14a/0x260 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb The buggy address belongs to the object at ffff888106788680 which belongs to the cache Acpi-Operand of size 72 The buggy address is located 9 bytes inside of 72-byte region [ffff888106788680, ffff8881067886c8) The buggy address belongs to the page: page:ffffea000419e200 refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888106788138 pfn:0x106788 flags: 0x4000000000000200(slab) raw: 4000000000000200 ffff88810006c110 ffffea000419e488 ffff88810004db00 raw: ffff888106788138 0000000000270022 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 1010653534, free_ts 0 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x176/0x190 mm/page_alloc.c:2462 get_page_from_freelist+0x225f/0x23f0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x29a/0x640 mm/page_alloc.c:5384 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1813 [inline] new_slab+0x84/0x3f0 mm/slub.c:1874 new_slab_objects mm/slub.c:2632 [inline] ___slab_alloc+0x2f8/0x4c0 mm/slub.c:2796 __slab_alloc+0x63/0xa0 mm/slub.c:2836 slab_alloc_node mm/slub.c:2918 [inline] slab_alloc mm/slub.c:2960 [inline] kmem_cache_alloc+0x1a4/0x2d0 mm/slub.c:2965 kmem_cache_zalloc include/linux/slab.h:657 [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_object+0x292/0x650 drivers/acpi/acpica/dsobject.c:94 acpi_ds_create_node+0x96/0x140 drivers/acpi/acpica/dsobject.c:281 acpi_ds_load2_end_op+0x896/0xf80 drivers/acpi/acpica/dswload2.c:618 acpi_ds_exec_end_op+0x683/0x1190 drivers/acpi/acpica/dswexec.c:638 acpi_ps_parse_loop+0xc49/0x1c50 drivers/acpi/acpica/psloop.c:554 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 page_owner free stack trace missing Memory state around the buggy address: ffff888106788580: 00 00 fc fc fc fc 00 00 00 00 00 00 00 00 00 fc ffff888106788600: fc fc fc 00 00 00 00 00 00 00 00 00 fc fc fc fc >ffff888106788680: fa fb fb fb fb fb fb fb fb fc fc fc fc 00 00 00 ^ ffff888106788700: 00 00 00 00 00 00 fc fc fc fc 00 00 00 00 00 00 ffff888106788780: 00 00 00 fc fc fc fc fb fb fb fb fb fb fb fb fb ================================================================== ACPI Warning: Obj ffff888106788680, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106788820, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067884e0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d8f0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678df70, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d680, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d820, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d4e0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810678d1a0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790a90, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790478, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790750, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790340, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790bc8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790d00, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106790958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792410, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067929c0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792e38, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067922d8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792000, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106792d68, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794d00, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794af8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794208, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067947b8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794b60, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106794dd0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795d68, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795270, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795ea0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795068, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795f08, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106795888, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798d00, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798af8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798208, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067987b8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798b60, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff888106798dd0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679c958, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679caf8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679c208, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679c7b8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679cb60, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679cdd0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e680, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e820, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e4e0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e1a0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e618, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679e0d0, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff88810679ec98, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067a0888, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067a06e8, Reference Count was zero before increment (20200925/utdelete-397) ACPI Warning: Obj ffff8881067a0138, Reference Count was zero before increment (20200925/utdelete-397) ACPI Error: (PRT[0]) Need package of length 4, found length 128 (20200925/rscreate-248) ACPI Error: ffff888106788680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106788820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067884e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d8f0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678df70 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d4e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810678d1a0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790a90 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790478 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790750 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790340 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790bc8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106790958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792410 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067929c0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792e38 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067922d8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792000 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106792d68 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794208 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067947b8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794b60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106794dd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795d68 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795270 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795ea0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795068 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795f08 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106795888 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798d00 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798af8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798208 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067987b8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798b60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff888106798dd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679c958 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679caf8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679c208 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679c7b8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679cb60 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679cdd0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e680 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e820 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e4e0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e1a0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e618 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679e0d0 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff88810679ec98 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067a0888 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067a06e8 is not an ACPI Operand object [Not a Descriptor] (20200925/utobject-396) ACPI Error: ffff8881067a0138 is not an ACPI Operand object [Not a Descriptor] (20200925/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