Extracting prog: 2m52.964152153s
Minimizing prog: 8m56.828197708s
Simplifying prog options: 0s
Extracting C: 1m8.544925137s
Simplifying C: 10m12.497143053s


extracting reproducer from 21 programs
testing a last program of every proc
single: executing 4 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac2
detailed listing:
executing program 0:
syz_usb_connect$uac2(0x0, 0x8c, &(0x7f00000000c0)={{0x12, 0x1, 0x310, 0x0, 0x0, 0x0, 0x20, 0x41e, 0x3000, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x7a, 0x3, 0x1, 0x5, 0xc0, 0x3, {0x8, 0xb, 0x0, 0x2, 0x1, 0xc, 0x20, 0x2}, {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x20, 0x0, {{0x9, 0x24, 0x1, 0x1, 0xff, 0x1a, 0x2}, [@output_terminal={0xc, 0x24, 0x3, 0x3, 0x402, 0x9, 0x6, 0x3, 0x200, 0x7f}, @processing_unit={0x5, 0x24, 0x8, 0x6, 0x5}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x1, 0x9, 0x7d7, 0x3, 0xf7, 0x7, {0x8, 0x25, 0x1, 0x3, 0x2}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x20, 0x0, {}, {{0x9, 0x5, 0x82, 0x9, 0x200, 0x81, 0x8, 0x4, {0x8, 0x25, 0x1, 0x0, 0x3c, 0xfe, 0x1}}}}}}}}]}}, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$hid(0xffffffffffffffff, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, 0x0, 0x0}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB], 0x0}, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false HandleSegv:false 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$hid
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:false UseTmpDir:false 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$hid
program did not crash
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:true UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:true UseTmpDir:false 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$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false 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:false Swap:true UseTmpDir:false 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$hid
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x5, 0x36, &(0x7f00000000c0)={{0x12, 0x1, 0x0, 0x0, 0x0, 0x0, 0x40, 0x1038, 0x1410, 0x0, 0x0, 0x0, 0x0, 0x1, [{{0x9, 0x2, 0x24, 0x1, 0x0, 0x0, 0x0, 0x1, "", [{{0x9, 0x4, 0x0, 0x8, 0x1, 0x3, 0x0, 0x7, 0x0, {0x9, 0x21, 0x0, 0x0, 0x1, {0x22, 0x18}}, {{{0x9, 0x5, 0x81, 0x3, 0x400}}}}}]}}]}}, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f0000000040)={0x24, 0x0, 0x0, &(0x7f0000000080)=ANY=[@ANYBLOB="0022180000000501150025ff0904a101959530263b7b49760829309102c0"], 0x0}, 0x0)

program crashed: UBSAN: array-index-out-of-bounds in steelseries_remove
validation run: crashed=true
reproducing took 26m3.267615795s
repro crashed as (corrupted=false):
usb 3-1: USB disconnect, device number 2
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:131:9
index 2939 is out of range for type 'unsigned long[8]'
CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 ubsan_epilogue+0xe/0x40 lib/ubsan.c:231
 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:429
 decode_tail kernel/locking/qspinlock.c:131 [inline]
 __pv_queued_spin_lock_slowpath+0xbf7/0xe90 kernel/locking/qspinlock.c:468
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x153/0x160 kernel/locking/spinlock.c:162
 steelseries_remove+0x85/0x180 drivers/hid/hid-steelseries.c:564
 hid_device_remove+0x293/0x400 drivers/hid/hid-core.c:-1
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4aa/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 hid_remove_device drivers/hid/hid-core.c:3000 [inline]
 hid_destroy_device+0x6e/0x110 drivers/hid/hid-core.c:3020
 usbhid_disconnect+0xa3/0xc0 drivers/hid/usbhid/hid-core.c:1478
 usb_unbind_interface+0x2ad/0xa40 drivers/usb/core/driver.c:462
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x522/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 usb_disable_device+0x3af/0x770 drivers/usb/core/message.c:1476
 usb_disconnect+0x331/0x950 drivers/usb/core/hub.c:2353
 hub_port_connect drivers/usb/core/hub.c:5414 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5714 [inline]
 port_event drivers/usb/core/hub.c:5878 [inline]
 hub_event+0x1ad5/0x4360 drivers/usb/core/hub.c:5960
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f4/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c4/0x360 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace ]---
BUG: unable to handle page fault for address: ffffffff85ac9238
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 74ae067 P4D 74ae067 PUD 74af063 PMD 5a001a1 
Oops: Oops: 0003 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a9/0xe90 kernel/locking/qspinlock.c:471
Code: fc ff df 4c 03 3b 4c 89 f8 48 c1 e8 03 80 3c 10 00 74 17 4c 89 ff e8 56 20 39 fc 48 8b 7c 24 10 48 ba 00 00 00 00 00 fc ff df <4d> 89 37 49 83 c7 14 41 bd 00 80 00 00 4d 89 fe 49 c1 ee 03 48 c7
RSP: 0018:ffffc900002071a0 EFLAGS: 00010046
RAX: 1ffffffff0b59247 RBX: ffffffff87202758 RCX: ffff888103678000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88810e7b0c78
RBP: ffffc900002072b0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1177080 R12: 1ffff1103edea161
R13: 1ffff11021cf618f R14: ffff8881f6f50b00 R15: ffffffff85ac9238
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff85ac9238 CR3: 0000000127768000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x153/0x160 kernel/locking/spinlock.c:162
 steelseries_remove+0x85/0x180 drivers/hid/hid-steelseries.c:564
 hid_device_remove+0x293/0x400 drivers/hid/hid-core.c:-1
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4aa/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 hid_remove_device drivers/hid/hid-core.c:3000 [inline]
 hid_destroy_device+0x6e/0x110 drivers/hid/hid-core.c:3020
 usbhid_disconnect+0xa3/0xc0 drivers/hid/usbhid/hid-core.c:1478
 usb_unbind_interface+0x2ad/0xa40 drivers/usb/core/driver.c:462
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x522/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 usb_disable_device+0x3af/0x770 drivers/usb/core/message.c:1476
 usb_disconnect+0x331/0x950 drivers/usb/core/hub.c:2353
 hub_port_connect drivers/usb/core/hub.c:5414 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5714 [inline]
 port_event drivers/usb/core/hub.c:5878 [inline]
 hub_event+0x1ad5/0x4360 drivers/usb/core/hub.c:5960
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f4/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c4/0x360 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
CR2: ffffffff85ac9238
---[ end trace 0000000000000000 ]---
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a9/0xe90 kernel/locking/qspinlock.c:471
Code: fc ff df 4c 03 3b 4c 89 f8 48 c1 e8 03 80 3c 10 00 74 17 4c 89 ff e8 56 20 39 fc 48 8b 7c 24 10 48 ba 00 00 00 00 00 fc ff df <4d> 89 37 49 83 c7 14 41 bd 00 80 00 00 4d 89 fe 49 c1 ee 03 48 c7
RSP: 0018:ffffc900002071a0 EFLAGS: 00010046
RAX: 1ffffffff0b59247 RBX: ffffffff87202758 RCX: ffff888103678000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88810e7b0c78
RBP: ffffc900002072b0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1177080 R12: 1ffff1103edea161
R13: 1ffff11021cf618f R14: ffff8881f6f50b00 R15: ffffffff85ac9238
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff85ac9238 CR3: 0000000127768000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	fc                   	cld
   1:	ff                   	lcall  (bad)
   2:	df 4c 03 3b          	fisttps 0x3b(%rbx,%rax,1)
   6:	4c 89 f8             	mov    %r15,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1)
  11:	74 17                	je     0x2a
  13:	4c 89 ff             	mov    %r15,%rdi
  16:	e8 56 20 39 fc       	call   0xfc392071
  1b:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  20:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  27:	fc ff df
* 2a:	4d 89 37             	mov    %r14,(%r15) <-- trapping instruction
  2d:	49 83 c7 14          	add    $0x14,%r15
  31:	41 bd 00 80 00 00    	mov    $0x8000,%r13d
  37:	4d 89 fe             	mov    %r15,%r14
  3a:	49 c1 ee 03          	shr    $0x3,%r14
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7

final repro crashed as (corrupted=false):
usb 3-1: USB disconnect, device number 2
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in kernel/locking/qspinlock.c:131:9
index 2939 is out of range for type 'unsigned long[8]'
CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
 <TASK>
 __dump_stack+0x21/0x30 lib/dump_stack.c:94
 dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
 dump_stack+0x19/0x20 lib/dump_stack.c:129
 ubsan_epilogue+0xe/0x40 lib/ubsan.c:231
 __ubsan_handle_out_of_bounds+0xe8/0xf0 lib/ubsan.c:429
 decode_tail kernel/locking/qspinlock.c:131 [inline]
 __pv_queued_spin_lock_slowpath+0xbf7/0xe90 kernel/locking/qspinlock.c:468
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x153/0x160 kernel/locking/spinlock.c:162
 steelseries_remove+0x85/0x180 drivers/hid/hid-steelseries.c:564
 hid_device_remove+0x293/0x400 drivers/hid/hid-core.c:-1
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4aa/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 hid_remove_device drivers/hid/hid-core.c:3000 [inline]
 hid_destroy_device+0x6e/0x110 drivers/hid/hid-core.c:3020
 usbhid_disconnect+0xa3/0xc0 drivers/hid/usbhid/hid-core.c:1478
 usb_unbind_interface+0x2ad/0xa40 drivers/usb/core/driver.c:462
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x522/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 usb_disable_device+0x3af/0x770 drivers/usb/core/message.c:1476
 usb_disconnect+0x331/0x950 drivers/usb/core/hub.c:2353
 hub_port_connect drivers/usb/core/hub.c:5414 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5714 [inline]
 port_event drivers/usb/core/hub.c:5878 [inline]
 hub_event+0x1ad5/0x4360 drivers/usb/core/hub.c:5960
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f4/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c4/0x360 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
---[ end trace ]---
BUG: unable to handle page fault for address: ffffffff85ac9238
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 74ae067 P4D 74ae067 PUD 74af063 PMD 5a001a1 
Oops: Oops: 0003 [#1] PREEMPT SMP KASAN PTI
CPU: 1 UID: 0 PID: 31 Comm: kworker/1:0 Not tainted syzkaller #0 4b6b95ab3aff47ee35cef28a0a3a23749bede870
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a9/0xe90 kernel/locking/qspinlock.c:471
Code: fc ff df 4c 03 3b 4c 89 f8 48 c1 e8 03 80 3c 10 00 74 17 4c 89 ff e8 56 20 39 fc 48 8b 7c 24 10 48 ba 00 00 00 00 00 fc ff df <4d> 89 37 49 83 c7 14 41 bd 00 80 00 00 4d 89 fe 49 c1 ee 03 48 c7
RSP: 0018:ffffc900002071a0 EFLAGS: 00010046
RAX: 1ffffffff0b59247 RBX: ffffffff87202758 RCX: ffff888103678000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88810e7b0c78
RBP: ffffc900002072b0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1177080 R12: 1ffff1103edea161
R13: 1ffff11021cf618f R14: ffff8881f6f50b00 R15: ffffffff85ac9238
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff85ac9238 CR3: 0000000127768000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:584 [inline]
 queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:51 [inline]
 queued_spin_lock include/asm-generic/qspinlock.h:114 [inline]
 do_raw_spin_lock include/linux/spinlock.h:187 [inline]
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:111 [inline]
 _raw_spin_lock_irqsave+0x153/0x160 kernel/locking/spinlock.c:162
 steelseries_remove+0x85/0x180 drivers/hid/hid-steelseries.c:564
 hid_device_remove+0x293/0x400 drivers/hid/hid-core.c:-1
 device_remove drivers/base/dd.c:567 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x4aa/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 hid_remove_device drivers/hid/hid-core.c:3000 [inline]
 hid_destroy_device+0x6e/0x110 drivers/hid/hid-core.c:3020
 usbhid_disconnect+0xa3/0xc0 drivers/hid/usbhid/hid-core.c:1478
 usb_unbind_interface+0x2ad/0xa40 drivers/usb/core/driver.c:462
 device_remove drivers/base/dd.c:569 [inline]
 __device_release_driver drivers/base/dd.c:1272 [inline]
 device_release_driver_internal+0x522/0x830 drivers/base/dd.c:1295
 device_release_driver+0x1d/0x30 drivers/base/dd.c:1318
 bus_remove_device+0x34f/0x370 drivers/base/bus.c:576
 device_del+0x583/0xcf0 drivers/base/core.c:3881
 usb_disable_device+0x3af/0x770 drivers/usb/core/message.c:1476
 usb_disconnect+0x331/0x950 drivers/usb/core/hub.c:2353
 hub_port_connect drivers/usb/core/hub.c:5414 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5714 [inline]
 port_event drivers/usb/core/hub.c:5878 [inline]
 hub_event+0x1ad5/0x4360 drivers/usb/core/hub.c:5960
 process_one_work kernel/workqueue.c:3273 [inline]
 process_scheduled_works+0x7f4/0x1060 kernel/workqueue.c:3354
 worker_thread+0xc99/0x13f0 kernel/workqueue.c:3435
 kthread+0x2c4/0x360 kernel/kthread.c:389
 ret_from_fork+0x64/0xa0 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
 </TASK>
Modules linked in:
CR2: ffffffff85ac9238
---[ end trace 0000000000000000 ]---
RIP: 0010:__pv_queued_spin_lock_slowpath+0x3a9/0xe90 kernel/locking/qspinlock.c:471
Code: fc ff df 4c 03 3b 4c 89 f8 48 c1 e8 03 80 3c 10 00 74 17 4c 89 ff e8 56 20 39 fc 48 8b 7c 24 10 48 ba 00 00 00 00 00 fc ff df <4d> 89 37 49 83 c7 14 41 bd 00 80 00 00 4d 89 fe 49 c1 ee 03 48 c7
RSP: 0018:ffffc900002071a0 EFLAGS: 00010046
RAX: 1ffffffff0b59247 RBX: ffffffff87202758 RCX: ffff888103678000
RDX: dffffc0000000000 RSI: 0000000000000001 RDI: ffff88810e7b0c78
RBP: ffffc900002072b0 R08: 0000000000000003 R09: 0000000000000004
R10: dffffc0000000000 R11: fffffbfff1177080 R12: 1ffff1103edea161
R13: 1ffff11021cf618f R14: ffff8881f6f50b00 R15: ffffffff85ac9238
FS:  0000000000000000(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff85ac9238 CR3: 0000000127768000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
   0:	fc                   	cld
   1:	ff                   	lcall  (bad)
   2:	df 4c 03 3b          	fisttps 0x3b(%rbx,%rax,1)
   6:	4c 89 f8             	mov    %r15,%rax
   9:	48 c1 e8 03          	shr    $0x3,%rax
   d:	80 3c 10 00          	cmpb   $0x0,(%rax,%rdx,1)
  11:	74 17                	je     0x2a
  13:	4c 89 ff             	mov    %r15,%rdi
  16:	e8 56 20 39 fc       	call   0xfc392071
  1b:	48 8b 7c 24 10       	mov    0x10(%rsp),%rdi
  20:	48 ba 00 00 00 00 00 	movabs $0xdffffc0000000000,%rdx
  27:	fc ff df
* 2a:	4d 89 37             	mov    %r14,(%r15) <-- trapping instruction
  2d:	49 83 c7 14          	add    $0x14,%r15
  31:	41 bd 00 80 00 00    	mov    $0x8000,%r13d
  37:	4d 89 fe             	mov    %r15,%r14
  3a:	49 c1 ee 03          	shr    $0x3,%r14
  3e:	48                   	rex.W
  3f:	c7                   	.byte 0xc7