Extracting prog: 1m54.996092918s Minimizing prog: 16m53.951447292s Simplifying prog options: 2m20.346049105s Extracting C: 1m16.339463016s Simplifying C: 11m37.759149902s 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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program crashed: KASAN: use-after-free Read in roccat_disconnect single: successfully extracted reproducer found reproducer with 6 syscalls minimizing guilty program testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$hid(0xffffffffffffffff, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, 0x0, 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, 0x0, &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', 0x0, 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, 0x0, 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash testing program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, 0x0, 0x2, 0x0) program did not crash extracting C reproducer testing compiled C program (duration=1m2.789340584s, {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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: general protection fault in roccat_open a never seen crash title: general protection fault in roccat_open, ignore simplifying guilty program options testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program crashed: KASAN: use-after-free Read in roccat_disconnect extracting C reproducer testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect simplifying C reproducer testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program did not crash testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program did not crash testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program did not crash testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Write in roccat_open a never seen crash title: KASAN: use-after-free Write in roccat_open, ignore testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false 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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false 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-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program did not crash testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing compiled C program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat program crashed: KASAN: use-after-free Read in roccat_disconnect testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash validation run: crashed=false testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program crashed: KASAN: use-after-free Read in roccat_disconnect validation run: crashed=true testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program crashed: KASAN: use-after-free Read in roccat_disconnect validation run: crashed=true testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash validation run: crashed=false testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program did not crash validation run: crashed=false testing program (duration=1m2.789340584s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat detailed listing: executing program 0: mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff) mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0) r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0) openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0) program crashed: KASAN: use-after-free Read in roccat_disconnect validation run: crashed=true reproducing took 39m17.178751961s repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in roccat_disconnect+0x22d/0x240 drivers/hid/hid-roccat.c:373 Read of size 4 at addr ffff88811cede408 by task kworker/0:1/19 CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Workqueue: usb_hub_wq hub_event 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+0x122/0x150 mm/kasan/report.c:524 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350 roccat_disconnect+0x22d/0x240 drivers/hid/hid-roccat.c:373 savu_remove_specials drivers/hid/hid-roccat-savu.c:107 [inline] savu_remove+0xec/0x170 drivers/hid/hid-roccat-savu.c:147 hid_device_remove+0x292/0x3c0 drivers/hid/hid-core.c:-1 device_remove drivers/base/dd.c:548 [inline] __device_release_driver drivers/base/dd.c:1283 [inline] device_release_driver_internal+0x486/0x7e0 drivers/base/dd.c:1309 device_release_driver+0x19/0x20 drivers/base/dd.c:1332 bus_remove_device+0x2f0/0x350 drivers/base/bus.c:531 device_del+0x63c/0xe50 drivers/base/core.c:3886 hid_remove_device drivers/hid/hid-core.c:2872 [inline] hid_destroy_device+0x6a/0x110 drivers/hid/hid-core.c:2891 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1469 usb_unbind_interface+0x223/0x8b0 drivers/usb/core/driver.c:459 device_remove drivers/base/dd.c:550 [inline] __device_release_driver drivers/base/dd.c:1283 [inline] device_release_driver_internal+0x4e4/0x7e0 drivers/base/dd.c:1309 device_release_driver+0x19/0x20 drivers/base/dd.c:1332 bus_remove_device+0x2f0/0x350 drivers/base/bus.c:531 device_del+0x63c/0xe50 drivers/base/core.c:3886 usb_disable_device+0x3a8/0x750 drivers/usb/core/message.c:1472 usb_disconnect+0x32d/0x880 drivers/usb/core/hub.c:2339 hub_port_connect drivers/usb/core/hub.c:5433 [inline] hub_port_connect_change drivers/usb/core/hub.c:5734 [inline] port_event drivers/usb/core/hub.c:5898 [inline] hub_event+0x1a66/0x4310 drivers/usb/core/hub.c:5980 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 process_scheduled_works kernel/workqueue.c:2365 [inline] worker_thread+0xcc2/0x11d0 kernel/workqueue.c:2451 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Allocated by task 19: 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] kmalloc_trace+0x40/0xb0 mm/slab_common.c:1033 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:699 [inline] roccat_connect+0x5c/0x4b0 drivers/hid/hid-roccat.c:306 savu_init_specials drivers/hid/hid-roccat-savu.c:81 [inline] savu_probe+0x1ba/0x360 drivers/hid/hid-roccat-savu.c:131 hid_device_probe+0x267/0x3a0 drivers/hid/hid-core.c:2672 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489 device_add+0xb0b/0xec0 drivers/base/core.c:3698 hid_add_device+0x3b8/0x580 drivers/hid/hid-core.c:2824 usbhid_probe+0xc12/0xff0 drivers/hid/usbhid/hid-core.c:1442 usb_probe_interface+0x621/0xb30 drivers/usb/core/driver.c:397 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489 device_add+0xb0b/0xec0 drivers/base/core.c:3698 usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x154/0x260 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489 device_add+0xb0b/0xec0 drivers/base/core.c:3698 usb_new_device+0x9f4/0x1500 drivers/usb/core/hub.c:2684 hub_port_connect drivers/usb/core/hub.c:5594 [inline] hub_port_connect_change drivers/usb/core/hub.c:5734 [inline] port_event drivers/usb/core/hub.c:5898 [inline] hub_event+0x27fb/0x4310 drivers/usb/core/hub.c:5980 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 process_scheduled_works kernel/workqueue.c:2365 [inline] worker_thread+0xcc2/0x11d0 kernel/workqueue.c:2451 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Freed by task 471: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242 __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 roccat_release+0x2bc/0x380 drivers/hid/hid-roccat.c:229 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88811cede400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes inside of 512-byte region [ffff88811cede400, ffff88811cede600) The buggy address belongs to the physical page: page:ffffea000473b700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11cedc head:ffffea000473b700 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 91, tgid 91 (klogd), ts 57030991395, free_ts 55249017326 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_node_track_caller+0xa1/0x1e0 mm/slab_common.c:958 kmalloc_reserve net/core/skbuff.c:449 [inline] __alloc_skb+0x226/0x4a0 net/core/skbuff.c:518 alloc_skb include/linux/skbuff.h:1322 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6176 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2770 unix_dgram_sendmsg+0x5c1/0x1710 net/unix/af_unix.c:1959 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] __sys_sendto+0x4ac/0x660 net/socket.c:2143 __do_sys_sendto net/socket.c:2155 [inline] __se_sys_sendto net/socket.c:2151 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2151 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1581 [inline] free_pcp_prepare mm/page_alloc.c:1655 [inline] free_unref_page_prepare+0x81b/0x820 mm/page_alloc.c:3622 free_unref_page+0x93/0x530 mm/page_alloc.c:3720 free_the_page mm/page_alloc.c:863 [inline] __free_pages+0x67/0x100 mm/page_alloc.c:6021 __free_slab+0xc7/0x1a0 mm/slub.c:2044 free_slab mm/slub.c:2059 [inline] discard_slab+0x29/0x40 mm/slub.c:2065 __slab_free+0x201/0x280 mm/slub.c:3625 do_slab_free mm/slub.c:3666 [inline] ___cache_free+0xbf/0xd0 mm/slub.c:3722 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311 kasan_slab_alloc include/linux/kasan.h:202 [inline] slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768 slab_alloc_node mm/slub.c:3382 [inline] __kmem_cache_alloc_node+0x194/0x2d0 mm/slub.c:3423 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc_node_track_caller+0xa1/0x1e0 mm/slab_common.c:958 kvasprintf+0xe8/0x1a0 lib/kasprintf.c:25 kasprintf+0xdf/0x130 lib/kasprintf.c:59 usb_devnode+0x79/0xc0 drivers/usb/core/usb.c:590 Memory state around the buggy address: ffff88811cede300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811cede380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811cede400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811cede480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811cede500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== usb 4-1: new high-speed USB device number 9 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 9 usb 4-1: new high-speed USB device number 10 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 10 usb 4-1: new high-speed USB device number 11 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 11 usb 4-1: new high-speed USB device number 12 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: hidraw1: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 12 usb 4-1: new high-speed USB device number 13 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 final repro crashed as (corrupted=false): ================================================================== BUG: KASAN: use-after-free in roccat_disconnect+0x22d/0x240 drivers/hid/hid-roccat.c:373 Read of size 4 at addr ffff88811cede408 by task kworker/0:1/19 CPU: 0 PID: 19 Comm: kworker/0:1 Not tainted syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026 Workqueue: usb_hub_wq hub_event 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+0x122/0x150 mm/kasan/report.c:524 __asan_report_load4_noabort+0x14/0x20 mm/kasan/report_generic.c:350 roccat_disconnect+0x22d/0x240 drivers/hid/hid-roccat.c:373 savu_remove_specials drivers/hid/hid-roccat-savu.c:107 [inline] savu_remove+0xec/0x170 drivers/hid/hid-roccat-savu.c:147 hid_device_remove+0x292/0x3c0 drivers/hid/hid-core.c:-1 device_remove drivers/base/dd.c:548 [inline] __device_release_driver drivers/base/dd.c:1283 [inline] device_release_driver_internal+0x486/0x7e0 drivers/base/dd.c:1309 device_release_driver+0x19/0x20 drivers/base/dd.c:1332 bus_remove_device+0x2f0/0x350 drivers/base/bus.c:531 device_del+0x63c/0xe50 drivers/base/core.c:3886 hid_remove_device drivers/hid/hid-core.c:2872 [inline] hid_destroy_device+0x6a/0x110 drivers/hid/hid-core.c:2891 usbhid_disconnect+0x9f/0xc0 drivers/hid/usbhid/hid-core.c:1469 usb_unbind_interface+0x223/0x8b0 drivers/usb/core/driver.c:459 device_remove drivers/base/dd.c:550 [inline] __device_release_driver drivers/base/dd.c:1283 [inline] device_release_driver_internal+0x4e4/0x7e0 drivers/base/dd.c:1309 device_release_driver+0x19/0x20 drivers/base/dd.c:1332 bus_remove_device+0x2f0/0x350 drivers/base/bus.c:531 device_del+0x63c/0xe50 drivers/base/core.c:3886 usb_disable_device+0x3a8/0x750 drivers/usb/core/message.c:1472 usb_disconnect+0x32d/0x880 drivers/usb/core/hub.c:2339 hub_port_connect drivers/usb/core/hub.c:5433 [inline] hub_port_connect_change drivers/usb/core/hub.c:5734 [inline] port_event drivers/usb/core/hub.c:5898 [inline] hub_event+0x1a66/0x4310 drivers/usb/core/hub.c:5980 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 process_scheduled_works kernel/workqueue.c:2365 [inline] worker_thread+0xcc2/0x11d0 kernel/workqueue.c:2451 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Allocated by task 19: 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] kmalloc_trace+0x40/0xb0 mm/slab_common.c:1033 kmalloc include/linux/slab.h:563 [inline] kzalloc include/linux/slab.h:699 [inline] roccat_connect+0x5c/0x4b0 drivers/hid/hid-roccat.c:306 savu_init_specials drivers/hid/hid-roccat-savu.c:81 [inline] savu_probe+0x1ba/0x360 drivers/hid/hid-roccat-savu.c:131 hid_device_probe+0x267/0x3a0 drivers/hid/hid-core.c:2672 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489 device_add+0xb0b/0xec0 drivers/base/core.c:3698 hid_add_device+0x3b8/0x580 drivers/hid/hid-core.c:2824 usbhid_probe+0xc12/0xff0 drivers/hid/usbhid/hid-core.c:1442 usb_probe_interface+0x621/0xb30 drivers/usb/core/driver.c:397 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489 device_add+0xb0b/0xec0 drivers/base/core.c:3698 usb_set_configuration+0x1a01/0x1f70 drivers/usb/core/message.c:2223 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x154/0x260 drivers/usb/core/driver.c:294 call_driver_probe drivers/base/dd.c:-1 [inline] really_probe+0x2d7/0x9a0 drivers/base/dd.c:639 __driver_probe_device+0x193/0x270 drivers/base/dd.c:808 driver_probe_device+0x54/0x3e0 drivers/base/dd.c:838 __device_attach_driver+0x2e9/0x4a0 drivers/base/dd.c:966 bus_for_each_drv+0x192/0x220 drivers/base/bus.c:429 __device_attach+0x2b0/0x420 drivers/base/dd.c:1038 device_initial_probe+0x1a/0x20 drivers/base/dd.c:1087 bus_probe_device+0xc0/0x1f0 drivers/base/bus.c:489 device_add+0xb0b/0xec0 drivers/base/core.c:3698 usb_new_device+0x9f4/0x1500 drivers/usb/core/hub.c:2684 hub_port_connect drivers/usb/core/hub.c:5594 [inline] hub_port_connect_change drivers/usb/core/hub.c:5734 [inline] port_event drivers/usb/core/hub.c:5898 [inline] hub_event+0x27fb/0x4310 drivers/usb/core/hub.c:5980 process_one_work+0x717/0xc30 kernel/workqueue.c:2302 process_scheduled_works kernel/workqueue.c:2365 [inline] worker_thread+0xcc2/0x11d0 kernel/workqueue.c:2451 kthread+0x281/0x320 kernel/kthread.c:386 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295 Freed by task 471: kasan_save_stack mm/kasan/common.c:46 [inline] kasan_set_track+0x4b/0x70 mm/kasan/common.c:53 kasan_save_free_info+0x2b/0x40 mm/kasan/generic.c:516 ____kasan_slab_free+0x132/0x180 mm/kasan/common.c:242 __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 roccat_release+0x2bc/0x380 drivers/hid/hid-roccat.c:229 __fput+0x1fd/0x8f0 fs/file_table.c:320 ____fput+0x15/0x20 fs/file_table.c:348 task_work_run+0x1e1/0x250 kernel/task_work.c:203 resume_user_mode_work include/linux/resume_user_mode.h:49 [inline] exit_to_user_mode_loop+0x9b/0xb0 kernel/entry/common.c:177 exit_to_user_mode_prepare+0x87/0xd0 kernel/entry/common.c:210 __syscall_exit_to_user_mode_work kernel/entry/common.c:292 [inline] syscall_exit_to_user_mode+0x1a/0x30 kernel/entry/common.c:303 do_syscall_64+0x58/0xa0 arch/x86/entry/common.c:82 entry_SYSCALL_64_after_hwframe+0x68/0xd2 The buggy address belongs to the object at ffff88811cede400 which belongs to the cache kmalloc-512 of size 512 The buggy address is located 8 bytes inside of 512-byte region [ffff88811cede400, ffff88811cede600) The buggy address belongs to the physical page: page:ffffea000473b700 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x11cedc head:ffffea000473b700 order:2 compound_mapcount:0 compound_pincount:0 flags: 0x4000000000010200(slab|head|zone=1) raw: 4000000000010200 0000000000000000 dead000000000122 ffff888100042f00 raw: 0000000000000000 0000000080100010 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 2, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 91, tgid 91 (klogd), ts 57030991395, free_ts 55249017326 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_node_track_caller+0xa1/0x1e0 mm/slab_common.c:958 kmalloc_reserve net/core/skbuff.c:449 [inline] __alloc_skb+0x226/0x4a0 net/core/skbuff.c:518 alloc_skb include/linux/skbuff.h:1322 [inline] alloc_skb_with_frags+0xa8/0x620 net/core/skbuff.c:6176 sock_alloc_send_pskb+0x87f/0x9a0 net/core/sock.c:2770 unix_dgram_sendmsg+0x5c1/0x1710 net/unix/af_unix.c:1959 sock_sendmsg_nosec net/socket.c:716 [inline] __sock_sendmsg net/socket.c:728 [inline] __sys_sendto+0x4ac/0x660 net/socket.c:2143 __do_sys_sendto net/socket.c:2155 [inline] __se_sys_sendto net/socket.c:2151 [inline] __x64_sys_sendto+0xe5/0x100 net/socket.c:2151 page last free stack trace: reset_page_owner include/linux/page_owner.h:26 [inline] free_pages_prepare mm/page_alloc.c:1581 [inline] free_pcp_prepare mm/page_alloc.c:1655 [inline] free_unref_page_prepare+0x81b/0x820 mm/page_alloc.c:3622 free_unref_page+0x93/0x530 mm/page_alloc.c:3720 free_the_page mm/page_alloc.c:863 [inline] __free_pages+0x67/0x100 mm/page_alloc.c:6021 __free_slab+0xc7/0x1a0 mm/slub.c:2044 free_slab mm/slub.c:2059 [inline] discard_slab+0x29/0x40 mm/slub.c:2065 __slab_free+0x201/0x280 mm/slub.c:3625 do_slab_free mm/slub.c:3666 [inline] ___cache_free+0xbf/0xd0 mm/slub.c:3722 qlink_free mm/kasan/quarantine.c:168 [inline] qlist_free_all+0xc6/0x140 mm/kasan/quarantine.c:187 kasan_quarantine_reduce+0x14a/0x170 mm/kasan/quarantine.c:294 __kasan_slab_alloc+0x24/0x80 mm/kasan/common.c:311 kasan_slab_alloc include/linux/kasan.h:202 [inline] slab_post_alloc_hook+0x4f/0x2d0 mm/slab.h:768 slab_alloc_node mm/slub.c:3382 [inline] __kmem_cache_alloc_node+0x194/0x2d0 mm/slub.c:3423 __do_kmalloc_node mm/slab_common.c:937 [inline] __kmalloc_node_track_caller+0xa1/0x1e0 mm/slab_common.c:958 kvasprintf+0xe8/0x1a0 lib/kasprintf.c:25 kasprintf+0xdf/0x130 lib/kasprintf.c:59 usb_devnode+0x79/0xc0 drivers/usb/core/usb.c:590 Memory state around the buggy address: ffff88811cede300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc ffff88811cede380: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc >ffff88811cede400: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ^ ffff88811cede480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ffff88811cede500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb ================================================================== usb 4-1: new high-speed USB device number 9 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0026: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 9 usb 4-1: new high-speed USB device number 10 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: unknown main item tag 0x0 savu 0003:1E7D:2D5A.002B: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 10 usb 4-1: new high-speed USB device number 11 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0032: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 11 usb 4-1: new high-speed USB device number 12 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 4-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 4-1: config 0 descriptor?? savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: unknown main item tag 0x0 savu 0003:1E7D:2D5A.0036: hidraw1: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.3-1/input0 usb 4-1: USB disconnect, device number 12 usb 4-1: new high-speed USB device number 13 using dummy_hcd usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 4-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0