Extracting prog: 1m37.149356616s Minimizing prog: 12m23.734077199s Simplifying prog options: 2m33.180623713s Extracting C: 52.64379408s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program crashed: KASAN: slab-out-of-bounds Read in mon_bin_event program crashed: KASAN: slab-out-of-bounds Read in mon_bin_event single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$hid(0xffffffffffffffff, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, 0x0, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080), 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x20, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x0, 0x2, 0x2}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x20, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x20, {[@global=@item_012={0x0, 0x1, 0x9}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(0x0, 0x0, 0x0) unshare(0x20000400) program did not crash extracting C reproducer testing compiled C program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare program did not crash simplifying guilty program options testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {Threaded:true 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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program did not crash testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program crashed: KASAN: slab-out-of-bounds Read in mon_bin_event validation run: crashed=true testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program crashed: KASAN: slab-out-of-bounds Read in mon_bin_event validation run: crashed=true testing program (duration=33.606634177s, {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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-syz_open_dev$usbmon-unshare detailed listing: executing program 0: r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000018105e04da0700000000000109022400010000000009040000090300000009210000000122220009058103"], 0x0) syz_usb_control_io$hid(r0, 0x0, 0x0) syz_usb_control_io$hid(r0, &(0x7f0000000000)={0x24, 0x0, 0x0, &(0x7f0000000080)={0x0, 0x22, 0x22, {[@global=@item_012={0x2, 0x1, 0x9, "0100"}, @global=@item_012={0x2, 0x1, 0x0, "0100"}, @main=@item_4, @local=@item_012={0x2, 0x2, 0x2, "90a0"}, @global=@item_4={0x3, 0x1, 0x2}, @main=@item_4={0x3, 0x0, 0xb, "813e2503"}, @local=@item_4={0x3, 0x2, 0x1, "dde84050"}, @local=@item_4={0x3, 0x2, 0x3, "5d8c3dda"}]}}, 0x0}, 0x0) syz_open_dev$usbmon(&(0x7f0000000080), 0x0, 0x0) unshare(0x20000400) program crashed: KASAN: slab-out-of-bounds Read in mon_bin_event validation run: crashed=true reproducing took 19m23.481634672s repro crashed as (corrupted=false): microsoft 0003:045E:07DA.0002: unknown main item tag 0x0 microsoft 0003:045E:07DA.0002: ignoring exceeding usage max ================================================================== BUG: KASAN: slab-out-of-bounds in mon_copy_to_buff drivers/usb/mon/mon_bin.c:249 [inline] BUG: KASAN: slab-out-of-bounds in mon_bin_get_data drivers/usb/mon/mon_bin.c:417 [inline] BUG: KASAN: slab-out-of-bounds in mon_bin_event+0x1307/0x24e0 drivers/usb/mon/mon_bin.c:603 Read of size 3520 at addr ffff8881123d54b1 by task kworker/0:2/332 CPU: 0 PID: 332 Comm: kworker/0:2 Not tainted 5.10.240-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0xe2/0x130 mm/kasan/report.c:452 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x280/0x290 mm/kasan/generic.c:189 memcpy+0x2d/0x70 mm/kasan/shadow.c:65 mon_copy_to_buff drivers/usb/mon/mon_bin.c:249 [inline] mon_bin_get_data drivers/usb/mon/mon_bin.c:417 [inline] mon_bin_event+0x1307/0x24e0 drivers/usb/mon/mon_bin.c:603 mon_bin_submit+0x27/0x30 drivers/usb/mon/mon_bin.c:623 mon_bus_submit drivers/usb/mon/mon_main.c:91 [inline] mon_submit+0x185/0x200 drivers/usb/mon/mon_main.c:103 usbmon_urb_submit include/linux/usb/hcd.h:723 [inline] usb_hcd_submit_urb+0x117/0x1780 drivers/usb/core/hcd.c:1543 usb_submit_urb+0x10eb/0x1620 drivers/usb/core/urb.c:585 usb_start_wait_urb+0x117/0x2f0 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x241/0x3f0 drivers/usb/core/message.c:153 usbhid_set_raw_report drivers/hid/usbhid/hid-core.c:928 [inline] usbhid_raw_request+0x453/0x580 drivers/hid/usbhid/hid-core.c:1299 __hid_request+0x1d2/0x390 drivers/hid/hid-core.c:1737 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1657 [inline] hidinput_connect+0x1d6d/0x2c30 drivers/hid/hid-input.c:1963 hid_connect+0x458/0xdf0 drivers/hid/hid-core.c:1968 hid_hw_start+0xaa/0x130 drivers/hid/hid-core.c:2075 ms_probe+0x190/0x460 drivers/hid/hid-microsoft.c:391 hid_device_probe+0x287/0x380 drivers/hid/hid-core.c:2303 really_probe+0x386/0xa90 drivers/base/dd.c:558 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 hid_add_device+0x356/0x4b0 drivers/hid/hid-core.c:2455 usbhid_probe+0xb2e/0xee0 drivers/hid/usbhid/hid-core.c:1421 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:397 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_set_configuration+0x1a47/0x1f80 drivers/usb/core/message.c:2160 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:294 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_new_device+0xcd1/0x1450 drivers/usb/core/hub.c:2626 hub_port_connect drivers/usb/core/hub.c:5469 [inline] hub_port_connect_change drivers/usb/core/hub.c:5609 [inline] port_event drivers/usb/core/hub.c:5759 [inline] hub_event+0x2679/0x4120 drivers/usb/core/hub.c:5841 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Allocated by task 332: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xda/0x110 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x1a7/0x330 mm/slub.c:4033 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:664 [inline] hid_alloc_report_buf drivers/hid/hid-core.c:1663 [inline] __hid_request+0x9a/0x390 drivers/hid/hid-core.c:1728 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1657 [inline] hidinput_connect+0x1d6d/0x2c30 drivers/hid/hid-input.c:1963 hid_connect+0x458/0xdf0 drivers/hid/hid-core.c:1968 hid_hw_start+0xaa/0x130 drivers/hid/hid-core.c:2075 ms_probe+0x190/0x460 drivers/hid/hid-microsoft.c:391 hid_device_probe+0x287/0x380 drivers/hid/hid-core.c:2303 really_probe+0x386/0xa90 drivers/base/dd.c:558 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 hid_add_device+0x356/0x4b0 drivers/hid/hid-core.c:2455 usbhid_probe+0xb2e/0xee0 drivers/hid/usbhid/hid-core.c:1421 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:397 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_set_configuration+0x1a47/0x1f80 drivers/usb/core/message.c:2160 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:294 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_new_device+0xcd1/0x1450 drivers/usb/core/hub.c:2626 hub_port_connect drivers/usb/core/hub.c:5469 [inline] hub_port_connect_change drivers/usb/core/hub.c:5609 [inline] port_event drivers/usb/core/hub.c:5759 [inline] hub_event+0x2679/0x4120 drivers/usb/core/hub.c:5841 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff8881123d54b0 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 1 bytes inside of 8-byte region [ffff8881123d54b0, ffff8881123d54b8) The buggy address belongs to the page: page:ffffea000448f540 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1123d5 flags: 0x4000000000000200(slab) raw: 4000000000000200 ffffea000446e500 0000000b0000000b ffff888100043c80 raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 108, ts 4416807252, free_ts 0 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x179/0x180 mm/page_alloc.c:2462 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5357 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1808 [inline] new_slab+0x84/0x3f0 mm/slub.c:1869 new_slab_objects mm/slub.c:2627 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2791 __slab_alloc+0x63/0xa0 mm/slub.c:2831 slab_alloc_node mm/slub.c:2913 [inline] slab_alloc mm/slub.c:2955 [inline] __kmalloc+0x201/0x330 mm/slub.c:4029 kmalloc include/linux/slab.h:557 [inline] kernfs_fop_write_iter+0x156/0x400 fs/kernfs/file.c:273 call_write_iter include/linux/fs.h:2066 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x725/0xd60 fs/read_write.c:605 ksys_write+0x140/0x240 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb page_owner free stack trace missing Memory state around the buggy address: ffff8881123d5380: fc fc fc fa fc fc fc fc 00 fc fc fc fc 00 fc fc ffff8881123d5400: fc fc fa fc fc fc fc fa fc fc fc fc 00 fc fc fc >ffff8881123d5480: fc fb fc fc fc fc 07 fc fc fc fc fa fc fc fc fc ^ ffff8881123d5500: fb fc fc fc fc fa fc fc fc fc 00 fc fc fc fc 00 ffff8881123d5580: fc fc fc fc 00 fc fc fc fc fa fc fc fc fc fa fc ================================================================== microsoft 0003:045E:07DA.0002: No inputs registered, leaving microsoft 0003:045E:07DA.0002: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0002: no inputs found microsoft 0003:045E:07DA.0002: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 2 usb 5-1: new high-speed USB device number 3 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.0007: unknown main item tag 0x0 microsoft 0003:045E:07DA.0007: ignoring exceeding usage max microsoft 0003:045E:07DA.0007: No inputs registered, leaving microsoft 0003:045E:07DA.0007: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0007: no inputs found microsoft 0003:045E:07DA.0007: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 3 usb 5-1: new high-speed USB device number 4 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.000C: unknown main item tag 0x0 microsoft 0003:045E:07DA.000C: ignoring exceeding usage max microsoft 0003:045E:07DA.000C: No inputs registered, leaving microsoft 0003:045E:07DA.000C: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.000C: no inputs found microsoft 0003:045E:07DA.000C: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 4 usb 5-1: new high-speed USB device number 5 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.0011: unknown main item tag 0x0 microsoft 0003:045E:07DA.0011: ignoring exceeding usage max microsoft 0003:045E:07DA.0011: No inputs registered, leaving microsoft 0003:045E:07DA.0011: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0011: no inputs found microsoft 0003:045E:07DA.0011: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 5 usb 5-1: new high-speed USB device number 6 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.0016: unknown main item tag 0x0 microsoft 0003:045E:07DA.0016: ignoring exceeding usage max microsoft 0003:045E:07DA.0016: No inputs registered, leaving microsoft 0003:045E:07DA.0016: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0016: no inputs found microsoft 0003:045E:07DA.0016: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 6 final repro crashed as (corrupted=false): microsoft 0003:045E:07DA.0002: unknown main item tag 0x0 microsoft 0003:045E:07DA.0002: ignoring exceeding usage max ================================================================== BUG: KASAN: slab-out-of-bounds in mon_copy_to_buff drivers/usb/mon/mon_bin.c:249 [inline] BUG: KASAN: slab-out-of-bounds in mon_bin_get_data drivers/usb/mon/mon_bin.c:417 [inline] BUG: KASAN: slab-out-of-bounds in mon_bin_event+0x1307/0x24e0 drivers/usb/mon/mon_bin.c:603 Read of size 3520 at addr ffff8881123d54b1 by task kworker/0:2/332 CPU: 0 PID: 332 Comm: kworker/0:2 Not tainted 5.10.240-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack+0x21/0x24 lib/dump_stack.c:77 dump_stack_lvl+0x169/0x1d8 lib/dump_stack.c:118 print_address_description+0x7f/0x2c0 mm/kasan/report.c:248 __kasan_report mm/kasan/report.c:435 [inline] kasan_report+0xe2/0x130 mm/kasan/report.c:452 check_region_inline mm/kasan/generic.c:-1 [inline] kasan_check_range+0x280/0x290 mm/kasan/generic.c:189 memcpy+0x2d/0x70 mm/kasan/shadow.c:65 mon_copy_to_buff drivers/usb/mon/mon_bin.c:249 [inline] mon_bin_get_data drivers/usb/mon/mon_bin.c:417 [inline] mon_bin_event+0x1307/0x24e0 drivers/usb/mon/mon_bin.c:603 mon_bin_submit+0x27/0x30 drivers/usb/mon/mon_bin.c:623 mon_bus_submit drivers/usb/mon/mon_main.c:91 [inline] mon_submit+0x185/0x200 drivers/usb/mon/mon_main.c:103 usbmon_urb_submit include/linux/usb/hcd.h:723 [inline] usb_hcd_submit_urb+0x117/0x1780 drivers/usb/core/hcd.c:1543 usb_submit_urb+0x10eb/0x1620 drivers/usb/core/urb.c:585 usb_start_wait_urb+0x117/0x2f0 drivers/usb/core/message.c:58 usb_internal_control_msg drivers/usb/core/message.c:102 [inline] usb_control_msg+0x241/0x3f0 drivers/usb/core/message.c:153 usbhid_set_raw_report drivers/hid/usbhid/hid-core.c:928 [inline] usbhid_raw_request+0x453/0x580 drivers/hid/usbhid/hid-core.c:1299 __hid_request+0x1d2/0x390 drivers/hid/hid-core.c:1737 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1657 [inline] hidinput_connect+0x1d6d/0x2c30 drivers/hid/hid-input.c:1963 hid_connect+0x458/0xdf0 drivers/hid/hid-core.c:1968 hid_hw_start+0xaa/0x130 drivers/hid/hid-core.c:2075 ms_probe+0x190/0x460 drivers/hid/hid-microsoft.c:391 hid_device_probe+0x287/0x380 drivers/hid/hid-core.c:2303 really_probe+0x386/0xa90 drivers/base/dd.c:558 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 hid_add_device+0x356/0x4b0 drivers/hid/hid-core.c:2455 usbhid_probe+0xb2e/0xee0 drivers/hid/usbhid/hid-core.c:1421 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:397 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_set_configuration+0x1a47/0x1f80 drivers/usb/core/message.c:2160 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:294 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_new_device+0xcd1/0x1450 drivers/usb/core/hub.c:2626 hub_port_connect drivers/usb/core/hub.c:5469 [inline] hub_port_connect_change drivers/usb/core/hub.c:5609 [inline] port_event drivers/usb/core/hub.c:5759 [inline] hub_event+0x2679/0x4120 drivers/usb/core/hub.c:5841 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 Allocated by task 332: kasan_save_stack mm/kasan/common.c:38 [inline] kasan_set_track mm/kasan/common.c:45 [inline] set_alloc_info mm/kasan/common.c:430 [inline] ____kasan_kmalloc mm/kasan/common.c:509 [inline] __kasan_kmalloc+0xda/0x110 mm/kasan/common.c:518 kasan_kmalloc include/linux/kasan.h:254 [inline] __kmalloc+0x1a7/0x330 mm/slub.c:4033 kmalloc include/linux/slab.h:557 [inline] kzalloc include/linux/slab.h:664 [inline] hid_alloc_report_buf drivers/hid/hid-core.c:1663 [inline] __hid_request+0x9a/0x390 drivers/hid/hid-core.c:1728 hidinput_change_resolution_multipliers drivers/hid/hid-input.c:1657 [inline] hidinput_connect+0x1d6d/0x2c30 drivers/hid/hid-input.c:1963 hid_connect+0x458/0xdf0 drivers/hid/hid-core.c:1968 hid_hw_start+0xaa/0x130 drivers/hid/hid-core.c:2075 ms_probe+0x190/0x460 drivers/hid/hid-microsoft.c:391 hid_device_probe+0x287/0x380 drivers/hid/hid-core.c:2303 really_probe+0x386/0xa90 drivers/base/dd.c:558 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 hid_add_device+0x356/0x4b0 drivers/hid/hid-core.c:2455 usbhid_probe+0xb2e/0xee0 drivers/hid/usbhid/hid-core.c:1421 usb_probe_interface+0x5ff/0xae0 drivers/usb/core/driver.c:397 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_set_configuration+0x1a47/0x1f80 drivers/usb/core/message.c:2160 usb_generic_driver_probe+0x91/0x150 drivers/usb/core/generic.c:238 usb_probe_device+0x148/0x260 drivers/usb/core/driver.c:294 really_probe+0x3d8/0xa90 drivers/base/dd.c:562 driver_probe_device+0xe7/0x190 drivers/base/dd.c:752 __device_attach_driver+0x282/0x3f0 drivers/base/dd.c:863 bus_for_each_drv+0x175/0x200 drivers/base/bus.c:433 __device_attach+0x29a/0x400 drivers/base/dd.c:932 device_initial_probe+0x1a/0x20 drivers/base/dd.c:981 bus_probe_device+0xc0/0x1e0 drivers/base/bus.c:493 device_add+0x8b4/0xbf0 drivers/base/core.c:3273 usb_new_device+0xcd1/0x1450 drivers/usb/core/hub.c:2626 hub_port_connect drivers/usb/core/hub.c:5469 [inline] hub_port_connect_change drivers/usb/core/hub.c:5609 [inline] port_event drivers/usb/core/hub.c:5759 [inline] hub_event+0x2679/0x4120 drivers/usb/core/hub.c:5841 process_one_work+0x6e1/0xba0 kernel/workqueue.c:2301 worker_thread+0xa6a/0x13b0 kernel/workqueue.c:2447 kthread+0x346/0x3d0 kernel/kthread.c:313 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:298 The buggy address belongs to the object at ffff8881123d54b0 which belongs to the cache kmalloc-8 of size 8 The buggy address is located 1 bytes inside of 8-byte region [ffff8881123d54b0, ffff8881123d54b8) The buggy address belongs to the page: page:ffffea000448f540 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1123d5 flags: 0x4000000000000200(slab) raw: 4000000000000200 ffffea000446e500 0000000b0000000b ffff888100043c80 raw: 0000000000000000 0000000080660066 00000001ffffffff 0000000000000000 page dumped because: kasan: bad access detected page_owner tracks the page as allocated page last allocated via order 0, migratetype Unmovable, gfp_mask 0x12cc0(GFP_KERNEL|__GFP_NOWARN|__GFP_NORETRY), pid 108, ts 4416807252, free_ts 0 set_page_owner include/linux/page_owner.h:35 [inline] post_alloc_hook mm/page_alloc.c:2456 [inline] prep_new_page+0x179/0x180 mm/page_alloc.c:2462 get_page_from_freelist+0x2235/0x23d0 mm/page_alloc.c:4254 __alloc_pages_nodemask+0x268/0x5f0 mm/page_alloc.c:5357 alloc_slab_page mm/slub.c:-1 [inline] allocate_slab mm/slub.c:1808 [inline] new_slab+0x84/0x3f0 mm/slub.c:1869 new_slab_objects mm/slub.c:2627 [inline] ___slab_alloc+0x2a6/0x450 mm/slub.c:2791 __slab_alloc+0x63/0xa0 mm/slub.c:2831 slab_alloc_node mm/slub.c:2913 [inline] slab_alloc mm/slub.c:2955 [inline] __kmalloc+0x201/0x330 mm/slub.c:4029 kmalloc include/linux/slab.h:557 [inline] kernfs_fop_write_iter+0x156/0x400 fs/kernfs/file.c:273 call_write_iter include/linux/fs.h:2066 [inline] new_sync_write fs/read_write.c:518 [inline] vfs_write+0x725/0xd60 fs/read_write.c:605 ksys_write+0x140/0x240 fs/read_write.c:658 __do_sys_write fs/read_write.c:670 [inline] __se_sys_write fs/read_write.c:667 [inline] __x64_sys_write+0x7b/0x90 fs/read_write.c:667 do_syscall_64+0x31/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x61/0xcb page_owner free stack trace missing Memory state around the buggy address: ffff8881123d5380: fc fc fc fa fc fc fc fc 00 fc fc fc fc 00 fc fc ffff8881123d5400: fc fc fa fc fc fc fc fa fc fc fc fc 00 fc fc fc >ffff8881123d5480: fc fb fc fc fc fc 07 fc fc fc fc fa fc fc fc fc ^ ffff8881123d5500: fb fc fc fc fc fa fc fc fc fc 00 fc fc fc fc 00 ffff8881123d5580: fc fc fc fc 00 fc fc fc fc fa fc fc fc fc fa fc ================================================================== microsoft 0003:045E:07DA.0002: No inputs registered, leaving microsoft 0003:045E:07DA.0002: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0002: no inputs found microsoft 0003:045E:07DA.0002: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 2 usb 5-1: new high-speed USB device number 3 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.0007: unknown main item tag 0x0 microsoft 0003:045E:07DA.0007: ignoring exceeding usage max microsoft 0003:045E:07DA.0007: No inputs registered, leaving microsoft 0003:045E:07DA.0007: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0007: no inputs found microsoft 0003:045E:07DA.0007: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 3 usb 5-1: new high-speed USB device number 4 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.000C: unknown main item tag 0x0 microsoft 0003:045E:07DA.000C: ignoring exceeding usage max microsoft 0003:045E:07DA.000C: No inputs registered, leaving microsoft 0003:045E:07DA.000C: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.000C: no inputs found microsoft 0003:045E:07DA.000C: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 4 usb 5-1: new high-speed USB device number 5 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.0011: unknown main item tag 0x0 microsoft 0003:045E:07DA.0011: ignoring exceeding usage max microsoft 0003:045E:07DA.0011: No inputs registered, leaving microsoft 0003:045E:07DA.0011: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0011: no inputs found microsoft 0003:045E:07DA.0011: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 5 usb 5-1: new high-speed USB device number 6 using dummy_hcd usb 5-1: Using ep0 maxpacket: 16 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7 usb 5-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0 usb 5-1: config 0 interface 0 altsetting 0 has 1 endpoint descriptor, different from the interface descriptor's value: 9 usb 5-1: New USB device found, idVendor=045e, idProduct=07da, bcdDevice= 0.00 usb 5-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 usb 5-1: config 0 descriptor?? microsoft 0003:045E:07DA.0016: unknown main item tag 0x0 microsoft 0003:045E:07DA.0016: ignoring exceeding usage max microsoft 0003:045E:07DA.0016: No inputs registered, leaving microsoft 0003:045E:07DA.0016: hidraw0: USB HID v0.00 Device [HID 045e:07da] on usb-dummy_hcd.4-1/input0 microsoft 0003:045E:07DA.0016: no inputs found microsoft 0003:045E:07DA.0016: could not initialize ff, continuing anyway usb 5-1: USB disconnect, device number 6