Extracting prog: 1m16.007190462s Minimizing prog: 9m33.369905998s Simplifying prog options: 0s Extracting C: 25.081769857s Simplifying C: 2m56.545915034s 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-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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: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, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) write(0xffffffffffffffff, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, 0x0, &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', 0x0, 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, 0x0, 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, 0x0, 0x0) program did not crash testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0), 0x0) program did not crash extracting C reproducer testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mkdirat-openat-write program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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: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 program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store 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 detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./myconfig\x00', 0x1ff) mount(0x0, &(0x7f00000001c0)='./myconfig\x00', &(0x7f0000000200)='configfs\x00', 0x0, 0x0) mkdirat(0xffffffffffffff9c, &(0x7f0000000240)='./myconfig/usb_gadget/g1\x00', 0x1ff) mkdirat(0xffffffffffffff9c, &(0x7f00000003c0)='./myconfig/usb_gadget/g1/functions/uac2.usb0\x00', 0x1ff) r0 = openat(0xffffffffffffff9c, &(0x7f0000000480)='./myconfig/usb_gadget/g1/functions/uac2.usb0/c_srate\x00', 0xe8202, 0x1c3) write(r0, &(0x7f00000004c0)='44100,48000,88200,96000,176B00,1', 0x20) program crashed: KASAN: invalid-free in f_uac2_opts_c_srate_store validation run: crashed=true reproducing took 16m2.745344221s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: invalid-free in slab_free mm/slub.c:3712 [inline] BUG: KASAN: invalid-free in __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 Free of addr ffff8881149f519f by task syz.2.17/375 CPU: 1 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x71/0x200 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:420 kasan_report_invalid_free+0xd5/0xf0 mm/kasan/report.c:489 ____kasan_slab_free+0x14f/0x180 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 f_uac2_opts_c_srate_store+0x220/0x2a0 drivers/usb/gadget/function/f_uac2.c:2082 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x323/0x410 fs/configfs/file.c:229 call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2bd679e159 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:00007fff17c45e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2bd6a25fa0 RCX: 00007f2bd679e159 RDX: 0000000000000020 RSI: 00002000000004c0 RDI: 0000000000000003 RBP: 00007f2bd683506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2bd6a25fac R14: 00007f2bd6a25fa0 R15: 00007f2bd6a25fa0 Allocated by task 375: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:380 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958 kstrdup+0x3b/0x80 mm/util.c:66 f_uac2_opts_c_srate_store+0x11a/0x2a0 drivers/usb/gadget/function/f_uac2.c:2082 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x323/0x410 fs/configfs/file.c:229 call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff8881149f5180 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 31 bytes inside of 64-byte region [ffff8881149f5180, ffff8881149f51c0) The buggy address belongs to the physical page: page:ffffea0004527d40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1149f5 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 ffffea0004526980 dead000000000002 ffff888100042780 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 113, tgid 113 (udevadm), ts 5937815558, free_ts 0 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673 prep_new_page+0x1c/0x110 mm/page_alloc.c:2680 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1 allocate_slab mm/slub.c:1967 [inline] new_slab+0x98/0x3e0 mm/slub.c:2020 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177 __slab_alloc+0x5e/0xa0 mm/slub.c:3263 slab_alloc_node mm/slub.c:3348 [inline] __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc+0xa4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] kobject_get_path+0xbf/0x200 lib/kobject.c:152 kobject_uevent_env+0x29f/0x720 lib/kobject_uevent.c:544 kobject_synth_uevent+0x457/0x940 lib/kobject_uevent.c:208 uevent_store+0x25/0x70 drivers/base/core.c:2690 dev_attr_store+0x6c/0x90 drivers/base/core.c:2389 sysfs_kf_write+0x137/0x150 fs/sysfs/file.c:136 page_owner free stack trace missing Memory state around the buggy address: ffff8881149f5080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8881149f5100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff8881149f5180: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc ^ ffff8881149f5200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8881149f5280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ================================================================== final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: invalid-free in slab_free mm/slub.c:3712 [inline] BUG: KASAN: invalid-free in __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 Free of addr ffff8881149f519f by task syz.2.17/375 CPU: 1 PID: 375 Comm: syz.2.17 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:88 dump_stack_lvl+0x110/0x170 lib/dump_stack.c:106 print_address_description+0x71/0x200 mm/kasan/report.c:316 print_report+0x4a/0x60 mm/kasan/report.c:420 kasan_report_invalid_free+0xd5/0xf0 mm/kasan/report.c:489 ____kasan_slab_free+0x14f/0x180 mm/kasan/common.c:-1 __kasan_slab_free+0x11/0x20 mm/kasan/common.c:250 kasan_slab_free include/linux/kasan.h:178 [inline] slab_free_hook mm/slub.c:1750 [inline] slab_free_freelist_hook+0xc2/0x190 mm/slub.c:1776 slab_free mm/slub.c:3712 [inline] __kmem_cache_free+0xb7/0x1b0 mm/slub.c:3728 kfree+0x6f/0xf0 mm/slab_common.c:990 f_uac2_opts_c_srate_store+0x220/0x2a0 drivers/usb/gadget/function/f_uac2.c:2082 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x323/0x410 fs/configfs/file.c:229 call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 RIP: 0033:0x7f2bd679e159 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:00007fff17c45e88 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007f2bd6a25fa0 RCX: 00007f2bd679e159 RDX: 0000000000000020 RSI: 00002000000004c0 RDI: 0000000000000003 RBP: 00007f2bd683506b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007f2bd6a25fac R14: 00007f2bd6a25fa0 R15: 00007f2bd6a25fa0 Allocated by task 375: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_alloc_info+0x1f/0x30 mm/kasan/generic.c:505 ____kasan_kmalloc mm/kasan/common.c:380 [inline] __kasan_kmalloc+0x95/0xb0 mm/kasan/common.c:389 kasan_kmalloc include/linux/kasan.h:212 [inline] __do_kmalloc_node mm/slab_common.c:938 [inline] __kmalloc_node_track_caller+0xb1/0x1e0 mm/slab_common.c:958 kstrdup+0x3b/0x80 mm/util.c:66 f_uac2_opts_c_srate_store+0x11a/0x2a0 drivers/usb/gadget/function/f_uac2.c:2082 flush_write_buffer fs/configfs/file.c:207 [inline] configfs_write_iter+0x323/0x410 fs/configfs/file.c:229 call_write_iter include/linux/fs.h:2282 [inline] new_sync_write fs/read_write.c:491 [inline] vfs_write+0x5ef/0xd00 fs/read_write.c:584 ksys_write+0x14a/0x260 fs/read_write.c:637 __do_sys_write fs/read_write.c:649 [inline] __se_sys_write fs/read_write.c:646 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:646 x64_sys_call+0x27b/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:2 do_syscall_x64 arch/x86/entry/common.c:46 [inline] do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:76 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff8881149f5180 which belongs to the cache kmalloc-64 of size 64 The buggy address is located 31 bytes inside of 64-byte region [ffff8881149f5180, ffff8881149f51c0) The buggy address belongs to the physical page: page:ffffea0004527d40 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1149f5 flags: 0x4000000000000200(slab|zone=1) raw: 4000000000000200 ffffea0004526980 dead000000000002 ffff888100042780 raw: 0000000000000000 0000000080200020 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 113, tgid 113 (udevadm), ts 5937815558, free_ts 0 set_page_owner include/linux/page_owner.h:33 [inline] post_alloc_hook+0x1f5/0x210 mm/page_alloc.c:2673 prep_new_page+0x1c/0x110 mm/page_alloc.c:2680 get_page_from_freelist+0x2ca9/0x2d20 mm/page_alloc.c:4587 __alloc_pages+0x1fa/0x610 mm/page_alloc.c:5931 alloc_slab_page+0x6e/0xf0 include/linux/gfp.h:-1 allocate_slab mm/slub.c:1967 [inline] new_slab+0x98/0x3e0 mm/slub.c:2020 ___slab_alloc+0x70f/0xb70 mm/slub.c:3177 __slab_alloc+0x5e/0xa0 mm/slub.c:3263 slab_alloc_node mm/slub.c:3348 [inline] __kmem_cache_alloc_node+0x204/0x2d0 mm/slub.c:3423 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc+0xa4/0x1e0 mm/slab_common.c:951 kmalloc include/linux/slab.h:568 [inline] kzalloc include/linux/slab.h:699 [inline] kobject_get_path+0xbf/0x200 lib/kobject.c:152 kobject_uevent_env+0x29f/0x720 lib/kobject_uevent.c:544 kobject_synth_uevent+0x457/0x940 lib/kobject_uevent.c:208 uevent_store+0x25/0x70 drivers/base/core.c:2690 dev_attr_store+0x6c/0x90 drivers/base/core.c:2389 sysfs_kf_write+0x137/0x150 fs/sysfs/file.c:136 page_owner free stack trace missing Memory state around the buggy address: ffff8881149f5080: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8881149f5100: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc >ffff8881149f5180: 00 00 00 00 01 fc fc fc fc fc fc fc fc fc fc fc ^ ffff8881149f5200: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ffff8881149f5280: fb fb fb fb fb fb fb fb fc fc fc fc fc fc fc fc ==================================================================