Extracting prog: 39.401031596s Minimizing prog: 13m26.759916554s Simplifying prog options: 0s Extracting C: 23.527609158s Simplifying C: 6m31.550200259s extracting reproducer from 31 programs first checking the prog from the crash report single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers single: successfully extracted reproducer found reproducer with 6 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) write$cgroup_pid(0xffffffffffffffff, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, 0x0, 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, 0x0, 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers simplifying C reproducer testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers 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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers validation run: crashed=true testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff) mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000040)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000000)='./config/usb_gadget/g1/functions/mass_storage.usb0/num_buffers\x00', 0x1, 0x0) write$cgroup_pid(r0, &(0x7f0000000300), 0x12) program crashed: BUG: unable to handle kernel paging request in fsg_common_set_num_buffers validation run: crashed=true reproducing took 23m43.179134635s repro crashed as (corrupted=false): Mass Storage Function, version: 2009/09/11 LUN: removable file: (no medium) Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4546 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : fsg_common_set_num_buffers+0x64/0x254 drivers/usb/gadget/function/f_mass_storage.c:2762 lr : kmalloc include/linux/slab.h:556 [inline] lr : fsg_common_set_num_buffers+0x5c/0x254 drivers/usb/gadget/function/f_mass_storage.c:2762 sp : ffff8000216c79b0 x29: ffff8000216c79c0 x28: 0000000000000000 x27: ffff80000ddfb598 x26: ffff0000d6476e00 x25: dfff800000000000 x24: dfff800000000000 x23: ffff7000042d8f44 x22: ffff0000d31fc000 x21: ffff0000d2aef800 x20: 0000000000000010 x19: ffff0000d9570408 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011ba0e90 x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff00002a74071 x12: ffff80000ddf845c x11: ff0080000a977920 x10: 0000000000000003 x9 : ffff8000153042f0 x8 : 0000000000000002 x7 : fefefefefefefefe x6 : 0000000000000000 x5 : 00000000ffffffff x4 : 0000000000000cc0 x3 : 0000000000004000 x2 : 0000000000004000 x1 : ffff8000121f2440 x0 : ffff0000d31fc000 Call trace: kmalloc include/linux/slab.h:556 [inline] fsg_common_set_num_buffers+0x64/0x254 drivers/usb/gadget/function/f_mass_storage.c:2762 fsg_opts_num_buffers_store+0x11c/0x1ac drivers/usb/gadget/function/f_mass_storage.c:3456 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x260/0x338 fs/configfs/file.c:229 call_write_iter include/linux/fs.h:2271 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x3c8/0x7c8 fs/read_write.c:584 ksys_write+0x12c/0x228 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: f2fbfff9 96a6c239 d343fe88 aa0003f6 (38796908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f2fbfff9 movk x25, #0xdfff, lsl #48 4: 96a6c239 bl 0xfffffffffa9b08e8 8: d343fe88 lsr x8, x20, #3 c: aa0003f6 mov x22, x0 * 10: 38796908 ldrb w8, [x8, x25] <-- trapping instruction final repro crashed as (corrupted=false): Mass Storage Function, version: 2009/09/11 LUN: removable file: (no medium) Unable to handle kernel paging request at virtual address dfff800000000002 KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017] Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 [dfff800000000002] address between user and kernel address ranges Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 4546 Comm: syz.0.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/07/2026 pstate: 22400005 (nzCv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--) pc : fsg_common_set_num_buffers+0x64/0x254 drivers/usb/gadget/function/f_mass_storage.c:2762 lr : kmalloc include/linux/slab.h:556 [inline] lr : fsg_common_set_num_buffers+0x5c/0x254 drivers/usb/gadget/function/f_mass_storage.c:2762 sp : ffff8000216c79b0 x29: ffff8000216c79c0 x28: 0000000000000000 x27: ffff80000ddfb598 x26: ffff0000d6476e00 x25: dfff800000000000 x24: dfff800000000000 x23: ffff7000042d8f44 x22: ffff0000d31fc000 x21: ffff0000d2aef800 x20: 0000000000000010 x19: ffff0000d9570408 x18: 0000000000000000 x17: 0000000000000000 x16: ffff800011ba0e90 x15: 000000000004ffff x14: 0000000000000001 x13: 1ffff00002a74071 x12: ffff80000ddf845c x11: ff0080000a977920 x10: 0000000000000003 x9 : ffff8000153042f0 x8 : 0000000000000002 x7 : fefefefefefefefe x6 : 0000000000000000 x5 : 00000000ffffffff x4 : 0000000000000cc0 x3 : 0000000000004000 x2 : 0000000000004000 x1 : ffff8000121f2440 x0 : ffff0000d31fc000 Call trace: kmalloc include/linux/slab.h:556 [inline] fsg_common_set_num_buffers+0x64/0x254 drivers/usb/gadget/function/f_mass_storage.c:2762 fsg_opts_num_buffers_store+0x11c/0x1ac drivers/usb/gadget/function/f_mass_storage.c:3456 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x260/0x338 fs/configfs/file.c:229 call_write_iter include/linux/fs.h:2271 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x3c8/0x7c8 fs/read_write.c:584 ksys_write+0x12c/0x228 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __arm64_sys_write+0x7c/0x90 fs/read_write.c:646 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x290 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x13c/0x258 arch/arm64/kernel/syscall.c:140 do_el0_svc+0x5c/0x134 arch/arm64/kernel/syscall.c:204 el0_svc+0x58/0x128 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585 Code: f2fbfff9 96a6c239 d343fe88 aa0003f6 (38796908) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: f2fbfff9 movk x25, #0xdfff, lsl #48 4: 96a6c239 bl 0xfffffffffa9b08e8 8: d343fe88 lsr x8, x20, #3 c: aa0003f6 mov x22, x0 * 10: 38796908 ldrb w8, [x8, x25] <-- trapping instruction