Extracting prog: 9m53.360329488s Minimizing prog: 2h16m23.096965277s Simplifying prog options: 11m6.578308266s Extracting C: 5m8.404962686s 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-mount-openat$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program crashed: KASAN: use-after-free Read in pci_match_device single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat(0xffffffffffffffff, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r3 = openat(r2, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) write(0xffffffffffffffff, &(0x7f0000000500)='e1000\x00', 0x6) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r3 = openat(r2, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) r1 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000500)='e1000\x00', 0x6) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r3 = openat(r2, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) write(0xffffffffffffffff, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r1 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000500)='e1000\x00', 0x6) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r3 = openat(r2, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat(0xffffffffffffffff, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r0, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r1 = openat(0xffffffffffffffff, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r1, &(0x7f0000000500)='e1000\x00', 0x6) r2 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r3 = openat(r2, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r3, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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-openat$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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}}): mount-openat$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', 0x0, 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, 0x0, 0x1, 0x0) write(r1, &(0x7f0000000300)='0000:00:01.0\x00', 0xd) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, 0x0, 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program crashed: KASAN: use-after-free Read in pci_match_device testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, 0x0, 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, 0x0, 0x0) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500), 0x0) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, 0x0, 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, 0x0, 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, 0x0, 0x0) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=5m30.470113686s, {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-mount-openat$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program crashed: KASAN: use-after-free Read in pci_match_device validation run: crashed=true testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program crashed: KASAN: use-after-free Read in pci_match_device validation run: crashed=true testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program did not crash validation run: crashed=false testing program (duration=5m30.470113686s, {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$dir-openat-write-openat-write-openat$dir-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./sys\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0) r0 = openat$dir(0xffffffffffffff9c, &(0x7f0000000100)='./sys/bus/pci/devices/0000:00:01.0\x00', 0x0, 0x0) r1 = openat(r0, &(0x7f0000000200)='driver/unbind\x00', 0x1, 0x0) write(r1, &(0x7f0000000300), 0x0) r2 = openat(r0, &(0x7f0000000400)='driver_override\x00', 0x1, 0x0) write(r2, &(0x7f0000000500)='e1000\x00', 0x6) r3 = openat$dir(0xffffffffffffff9c, &(0x7f0000000600)='./sys/bus/pci/drivers/e1000\x00', 0x0, 0x0) r4 = openat(r3, &(0x7f0000000700)='bind\x00', 0x1, 0x0) write(r4, &(0x7f0000000800)='0000:00:01.0\x00', 0xd) program crashed: KASAN: use-after-free Read in pci_match_device validation run: crashed=true reproducing took 3h34m11.46784443s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in strcmp+0x6c/0xb0 lib/string.c:387 Read of size 1 at addr ffff88811a323579 by task syz.1.11152/22939 CPU: 0 PID: 22939 Comm: syz.1.11152 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 strcmp+0x6c/0xb0 lib/string.c:387 pci_match_device+0x84/0xa70 drivers/pci/pci-driver.c:260 pci_bus_match+0x55/0x90 drivers/pci/pci-driver.c:1466 driver_match_device drivers/base/base.h:143 [inline] bind_store+0x33f/0x3c0 drivers/base/bus.c:215 drv_attr_store+0x79/0xa0 drivers/base/bus.c:77 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: 0033:0x7f4267397159 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:00007f42671f8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f426761efa0 RCX: 00007f4267397159 RDX: 000000000000000d RSI: 0000200000000800 RDI: 0000000000000007 RBP: 00007f426742e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f426761f038 R14: 00007f426761efa0 R15: 00007ffdc1983cc8 Allocated by task 18713: 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_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 __kmalloc_node include/linux/slab.h:421 [inline] kmalloc_node include/linux/slab.h:578 [inline] __vmalloc_area_node mm/vmalloc.c:2520 [inline] __vmalloc_node_range+0x294/0x7a0 mm/vmalloc.c:2629 __vmalloc_node mm/vmalloc.c:2689 [inline] vzalloc+0x78/0x90 mm/vmalloc.c:2742 alloc_counters+0x65/0x540 net/ipv4/netfilter/arp_tables.c:671 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:839 [inline] get_entries net/ipv6/netfilter/ip6_tables.c:1039 [inline] do_ip6t_get_ctl+0xa2d/0x1120 net/ipv6/netfilter/ip6_tables.c:1676 nf_getsockopt+0x26d/0x290 net/netfilter/nf_sockopt.c:116 ipv6_getsockopt+0x1b27/0x21f0 net/ipv6/ipv6_sockglue.c:1492 tcp_getsockopt+0x1e2/0x1ff0 net/ipv4/tcp.c:4049 sock_common_getsockopt+0x98/0xb0 net/core/sock.c:3298 __sys_getsockopt+0x201/0x370 net/socket.c:2188 __do_sys_getsockopt net/socket.c:2203 [inline] __se_sys_getsockopt net/socket.c:2200 [inline] __x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2200 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 22945: 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] kfree+0xc0/0x270 mm/slub.c:4196 driver_override_store+0x14f/0x190 drivers/pci/pci-sysfs.c:614 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 ffff88811a323578 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 1 bytes inside of 8-byte region [ffff88811a323578, ffff88811a323580) The buggy address belongs to the page: page:ffffea000468c8c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a323 flags: 0x4000000000000200(slab) raw: 4000000000000200 dead000000000100 dead000000000122 ffff888100043c80 raw: 0000000000000000 0000000080660066 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 992, ts 314978225379, free_ts 314978178147 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] __kmalloc+0x1f9/0x330 mm/slub.c:4034 kmalloc include/linux/slab.h:560 [inline] kernfs_fop_write_iter+0x152/0x400 fs/kernfs/file.c:273 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 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] free_pcp_prepare mm/page_alloc.c:1421 [inline] free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page mm/page_alloc.c:3391 [inline] free_the_page mm/page_alloc.c:5443 [inline] __free_pages+0x146/0x390 mm/page_alloc.c:5454 free_pages+0x82/0x90 mm/page_alloc.c:5465 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1332 inode_doinit_with_dentry+0x879/0xd70 security/selinux/hooks.c:1529 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6395 security_d_instantiate+0x9e/0xf0 security/security.c:1980 d_splice_alias+0x6d/0x390 fs/dcache.c:3038 kernfs_iop_lookup+0x2c5/0x310 fs/kernfs/dir.c:1178 lookup_open fs/namei.c:3276 [inline] open_last_lookups fs/namei.c:3367 [inline] path_openat+0x145d/0x3040 fs/namei.c:3556 do_filp_open+0x1df/0x400 fs/namei.c:3586 do_sys_openat2+0x19f/0x750 fs/open.c:1219 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Memory state around the buggy address: ffff88811a323400: fc fc fb fc fc fc fc fa fc fc fc fc fa fc fc fc ffff88811a323480: fc fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc >ffff88811a323500: fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc fa ^ ffff88811a323580: fc fc fc fc fa fc fc fc fc 00 fc fc fc fc fa fc ffff88811a323600: fc fc fc fa fc fc fc fc fb fc fc fc fc fa fc fc ================================================================== e1000 0000:00:01.0: can't ioremap BAR 0: [??? 0x00000000 flags 0x0] e1000: probe of 0000:00:01.0 failed with error -5 final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in strcmp+0x6c/0xb0 lib/string.c:387 Read of size 1 at addr ffff88811a323579 by task syz.1.11152/22939 CPU: 0 PID: 22939 Comm: syz.1.11152 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 strcmp+0x6c/0xb0 lib/string.c:387 pci_match_device+0x84/0xa70 drivers/pci/pci-driver.c:260 pci_bus_match+0x55/0x90 drivers/pci/pci-driver.c:1466 driver_match_device drivers/base/base.h:143 [inline] bind_store+0x33f/0x3c0 drivers/base/bus.c:215 drv_attr_store+0x79/0xa0 drivers/base/bus.c:77 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: 0033:0x7f4267397159 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:00007f42671f8028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f426761efa0 RCX: 00007f4267397159 RDX: 000000000000000d RSI: 0000200000000800 RDI: 0000000000000007 RBP: 00007f426742e06b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f426761f038 R14: 00007f426761efa0 R15: 00007ffdc1983cc8 Allocated by task 18713: 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_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xd4/0x100 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x19f/0x330 mm/slub.c:4038 __kmalloc_node include/linux/slab.h:421 [inline] kmalloc_node include/linux/slab.h:578 [inline] __vmalloc_area_node mm/vmalloc.c:2520 [inline] __vmalloc_node_range+0x294/0x7a0 mm/vmalloc.c:2629 __vmalloc_node mm/vmalloc.c:2689 [inline] vzalloc+0x78/0x90 mm/vmalloc.c:2742 alloc_counters+0x65/0x540 net/ipv4/netfilter/arp_tables.c:671 copy_entries_to_user net/ipv6/netfilter/ip6_tables.c:839 [inline] get_entries net/ipv6/netfilter/ip6_tables.c:1039 [inline] do_ip6t_get_ctl+0xa2d/0x1120 net/ipv6/netfilter/ip6_tables.c:1676 nf_getsockopt+0x26d/0x290 net/netfilter/nf_sockopt.c:116 ipv6_getsockopt+0x1b27/0x21f0 net/ipv6/ipv6_sockglue.c:1492 tcp_getsockopt+0x1e2/0x1ff0 net/ipv4/tcp.c:4049 sock_common_getsockopt+0x98/0xb0 net/core/sock.c:3298 __sys_getsockopt+0x201/0x370 net/socket.c:2188 __do_sys_getsockopt net/socket.c:2203 [inline] __se_sys_getsockopt net/socket.c:2200 [inline] __x64_sys_getsockopt+0xbf/0xd0 net/socket.c:2200 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Freed by task 22945: 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] kfree+0xc0/0x270 mm/slub.c:4196 driver_override_store+0x14f/0x190 drivers/pci/pci-sysfs.c:614 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 ffff88811a323578 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 1 bytes inside of 8-byte region [ffff88811a323578, ffff88811a323580) The buggy address belongs to the page: page:ffffea000468c8c0 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11a323 flags: 0x4000000000000200(slab) raw: 4000000000000200 dead000000000100 dead000000000122 ffff888100043c80 raw: 0000000000000000 0000000080660066 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 0x112cc0(GFP_USER|__GFP_NOWARN|__GFP_NORETRY), pid 992, ts 314978225379, free_ts 314978178147 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] __kmalloc+0x1f9/0x330 mm/slub.c:4034 kmalloc include/linux/slab.h:560 [inline] kernfs_fop_write_iter+0x152/0x400 fs/kernfs/file.c:273 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 page last free stack trace: reset_page_owner include/linux/page_owner.h:28 [inline] free_pages_prepare mm/page_alloc.c:1349 [inline] free_pcp_prepare mm/page_alloc.c:1421 [inline] free_unref_page_prepare+0x2b7/0x2d0 mm/page_alloc.c:3336 free_unref_page mm/page_alloc.c:3391 [inline] free_the_page mm/page_alloc.c:5443 [inline] __free_pages+0x146/0x390 mm/page_alloc.c:5454 free_pages+0x82/0x90 mm/page_alloc.c:5465 selinux_genfs_get_sid+0x20b/0x250 security/selinux/hooks.c:1332 inode_doinit_with_dentry+0x879/0xd70 security/selinux/hooks.c:1529 selinux_d_instantiate+0x27/0x40 security/selinux/hooks.c:6395 security_d_instantiate+0x9e/0xf0 security/security.c:1980 d_splice_alias+0x6d/0x390 fs/dcache.c:3038 kernfs_iop_lookup+0x2c5/0x310 fs/kernfs/dir.c:1178 lookup_open fs/namei.c:3276 [inline] open_last_lookups fs/namei.c:3367 [inline] path_openat+0x145d/0x3040 fs/namei.c:3556 do_filp_open+0x1df/0x400 fs/namei.c:3586 do_sys_openat2+0x19f/0x750 fs/open.c:1219 do_sys_open fs/open.c:1235 [inline] __do_sys_openat fs/open.c:1251 [inline] __se_sys_openat fs/open.c:1246 [inline] __x64_sys_openat+0x136/0x160 fs/open.c:1246 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb Memory state around the buggy address: ffff88811a323400: fc fc fb fc fc fc fc fa fc fc fc fc fa fc fc fc ffff88811a323480: fc fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc >ffff88811a323500: fa fc fc fc fc fa fc fc fc fc fa fc fc fc fc fa ^ ffff88811a323580: fc fc fc fc fa fc fc fc fc 00 fc fc fc fc fa fc ffff88811a323600: fc fc fc fa fc fc fc fc fb fc fc fc fc fa fc fc ================================================================== e1000 0000:00:01.0: can't ioremap BAR 0: [??? 0x00000000 flags 0x0] e1000: probe of 0000:00:01.0 failed with error -5