Extracting prog: 32.789536101s
Minimizing prog: 9m33.557066177s
Simplifying prog options: 0s
Extracting C: 42.393770904s
Simplifying C: 5m20.39768282s
extracting reproducer from 22 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:4 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-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: general protection fault 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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-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:4 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-mkdirat-mkdirat-openat-write$cgroup_pid
program crashed: general protection fault in fsg_common_set_num_buffers
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid
program crashed: general protection fault 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: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-mkdirat-mkdirat-openat-write$cgroup_pid
program crashed: general protection fault in fsg_common_set_num_buffers
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid
program crashed: general protection fault 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$cgroup_pid
program crashed: general protection fault in fsg_common_set_num_buffers
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$cgroup_pid
program crashed: general protection fault 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$cgroup_pid
program crashed: general protection fault in fsg_common_set_num_buffers
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$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$cgroup_pid(r0, &(0x7f0000000300), 0x12)
program crashed: general protection fault in fsg_common_set_num_buffers
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$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$cgroup_pid(r0, &(0x7f0000000300), 0x12)
program crashed: general protection fault in fsg_common_set_num_buffers
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write$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: general protection fault in fsg_common_set_num_buffers
validation run: crashed=true
reproducing took 18m27.441507767s
repro crashed as (corrupted=false):
Mass Storage Function, version: 2009/09/11
LUN: removable file: (no medium)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 382 Comm: syz.2.17 Not tainted syzkaller #0 6f2d7458894aba4127f3ede48a844fbc689668cc
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:fsg_common_set_num_buffers+0xa5/0x3b0 drivers/usb/gadget/function/f_mass_storage.c:2763
Code: 49 be 00 00 00 00 00 fc ff df 66 90 e8 c4 cd c9 fd bf 00 40 00 00 be c0 0c 00 00 e8 35 6b 1e fe 49 89 c7 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 2c a9 22 fe 4d 8d 75 f0 4d 89 3e
RSP: 0018:ffffc900011bfb20 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000003 RSI: ffffffff83bda9ab RDI: ffffed1021f63800
RBP: ffffc900011bfb70 R08: 0000000000004000 R09: 0000000000000000
R10: ffffed1021f63800 R11: fffff9400087d8cc R12: 0000000000000010
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff88810fb18000
FS: 000055556f2f3500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78245ec300 CR3: 00000001242bc000 CR4: 00000000003526b0
Call Trace:
fsg_opts_num_buffers_store+0x13c/0x1c0 drivers/usb/gadget/function/f_mass_storage.c:3452
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x32c/0x490 fs/configfs/file.c:229
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x762/0xfd0 fs/read_write.c:684
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f782439e159
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:00007ffc5f2ba488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7824625fa0 RCX: 00007f782439e159
RDX: 0000000000000012 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f7824435024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7824625fac R14: 00007f7824625fa0 R15: 00007f7824625fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:fsg_common_set_num_buffers+0xa5/0x3b0 drivers/usb/gadget/function/f_mass_storage.c:2763
Code: 49 be 00 00 00 00 00 fc ff df 66 90 e8 c4 cd c9 fd bf 00 40 00 00 be c0 0c 00 00 e8 35 6b 1e fe 49 89 c7 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 2c a9 22 fe 4d 8d 75 f0 4d 89 3e
RSP: 0018:ffffc900011bfb20 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000003 RSI: ffffffff83bda9ab RDI: ffffed1021f63800
RBP: ffffc900011bfb70 R08: 0000000000004000 R09: 0000000000000000
R10: ffffed1021f63800 R11: fffff9400087d8cc R12: 0000000000000010
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff88810fb18000
FS: 000055556f2f3500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78245ec300 CR3: 00000001242bc000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
7: fc ff df
a: 66 90 xchg %ax,%ax
c: e8 c4 cd c9 fd call 0xfdc9cdd5
11: bf 00 40 00 00 mov $0x4000,%edi
16: be c0 0c 00 00 mov $0xcc0,%esi
1b: e8 35 6b 1e fe call 0xfe1e6b55
20: 49 89 c7 mov %rax,%r15
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 2c a9 22 fe call 0xfe22a965
39: 4d 8d 75 f0 lea -0x10(%r13),%r14
3d: 4d 89 3e mov %r15,(%r14)
final repro crashed as (corrupted=false):
Mass Storage Function, version: 2009/09/11
LUN: removable file: (no medium)
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 382 Comm: syz.2.17 Not tainted syzkaller #0 6f2d7458894aba4127f3ede48a844fbc689668cc
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:fsg_common_set_num_buffers+0xa5/0x3b0 drivers/usb/gadget/function/f_mass_storage.c:2763
Code: 49 be 00 00 00 00 00 fc ff df 66 90 e8 c4 cd c9 fd bf 00 40 00 00 be c0 0c 00 00 e8 35 6b 1e fe 49 89 c7 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 2c a9 22 fe 4d 8d 75 f0 4d 89 3e
RSP: 0018:ffffc900011bfb20 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000003 RSI: ffffffff83bda9ab RDI: ffffed1021f63800
RBP: ffffc900011bfb70 R08: 0000000000004000 R09: 0000000000000000
R10: ffffed1021f63800 R11: fffff9400087d8cc R12: 0000000000000010
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff88810fb18000
FS: 000055556f2f3500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78245ec300 CR3: 00000001242bc000 CR4: 00000000003526b0
Call Trace:
fsg_opts_num_buffers_store+0x13c/0x1c0 drivers/usb/gadget/function/f_mass_storage.c:3452
flush_write_buffer fs/configfs/file.c:207 [inline]
configfs_write_iter+0x32c/0x490 fs/configfs/file.c:229
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x762/0xfd0 fs/read_write.c:684
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f782439e159
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:00007ffc5f2ba488 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f7824625fa0 RCX: 00007f782439e159
RDX: 0000000000000012 RSI: 0000200000000300 RDI: 0000000000000003
RBP: 00007f7824435024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f7824625fac R14: 00007f7824625fa0 R15: 00007f7824625fa0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:fsg_common_set_num_buffers+0xa5/0x3b0 drivers/usb/gadget/function/f_mass_storage.c:2763
Code: 49 be 00 00 00 00 00 fc ff df 66 90 e8 c4 cd c9 fd bf 00 40 00 00 be c0 0c 00 00 e8 35 6b 1e fe 49 89 c7 4c 89 e0 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 e7 e8 2c a9 22 fe 4d 8d 75 f0 4d 89 3e
RSP: 0018:ffffc900011bfb20 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000001 RCX: 0000000000000002
RDX: 0000000000000003 RSI: ffffffff83bda9ab RDI: ffffed1021f63800
RBP: ffffc900011bfb70 R08: 0000000000004000 R09: 0000000000000000
R10: ffffed1021f63800 R11: fffff9400087d8cc R12: 0000000000000010
R13: 0000000000000020 R14: dffffc0000000000 R15: ffff88810fb18000
FS: 000055556f2f3500(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f78245ec300 CR3: 00000001242bc000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 49 be 00 00 00 00 00 movabs $0xdffffc0000000000,%r14
7: fc ff df
a: 66 90 xchg %ax,%ax
c: e8 c4 cd c9 fd call 0xfdc9cdd5
11: bf 00 40 00 00 mov $0x4000,%edi
16: be c0 0c 00 00 mov $0xcc0,%esi
1b: e8 35 6b 1e fe call 0xfe1e6b55
20: 49 89 c7 mov %rax,%r15
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 30 00 cmpb $0x0,(%rax,%r14,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 2c a9 22 fe call 0xfe22a965
39: 4d 8d 75 f0 lea -0x10(%r13),%r14
3d: 4d 89 3e mov %r15,(%r14)