Extracting prog: 3m3.667097748s
Minimizing prog: 44m20.424899685s
Simplifying prog options: 0s
Extracting C: 38.023003492s
Simplifying C: 8m48.868932608s
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:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 6m0s
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
syz_usb_control_io$hid(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$hid(0xffffffffffffffff, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', 0x0, 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, 0x0, 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program did not crash
testing program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=2m54.621272068s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
simplifying C reproducer
testing compiled C program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
testing compiled C program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program did not crash
testing compiled C program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
testing compiled C program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
testing compiled C program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
testing compiled C program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
testing program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
validation run: crashed=true
testing program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
validation run: crashed=true
testing program (duration=2m54.621272068s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-syz_usb_connect$hid-syz_usb_control_io$hid-syz_usb_control_io$hid-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./dev_mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev_mnt\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="12010000000000407d1e5a2d00000000000109022400010000000009040000010301020009210000000122220009058103"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x24, 0x0, 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="002222000000962313"], 0x0}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000100)='./dev_mnt/roccatsavu0\x00', 0x2, 0x0)
program crashed: KASAN: slab-use-after-free Read in roccat_disconnect
validation run: crashed=true
reproducing took 59m39.78553809s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in roccat_disconnect+0x236/0x240 drivers/hid/hid-roccat.c:373
Read of size 4 at addr ffff88812fb32c08 by task kworker/1:1/45
CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 238002c42480d657f84ffff3a67e0b81dcf43858
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
print_address_description+0x71/0x210 mm/kasan/report.c:377
print_report+0x4a/0x70 mm/kasan/report.c:481
kasan_report+0x162/0x1a0 mm/kasan/report.c:594
__asan_report_load4_noabort+0x18/0x20 mm/kasan/report_generic.c:380
roccat_disconnect+0x236/0x240 drivers/hid/hid-roccat.c:373
savu_remove_specials drivers/hid/hid-roccat-savu.c:110 [inline]
savu_remove+0xf0/0x170 drivers/hid/hid-roccat-savu.c:150
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+0x4ad/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+0x2b0/0xa40 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+0x525/0x830 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
Allocated by task 45:
kasan_save_stack mm/kasan/common.c:49 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
kasan_save_alloc_info+0x3a/0x50 mm/kasan/generic.c:565
poison_kmalloc_redzone mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x96/0xb0 mm/kasan/common.c:396
kasan_kmalloc include/linux/kasan.h:261 [inline]
__kmalloc_cache_noprof+0x23c/0x470 mm/slub.c:4426
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1117 [inline]
roccat_connect+0x6a/0x540 drivers/hid/hid-roccat.c:306
savu_init_specials drivers/hid/hid-roccat-savu.c:84 [inline]
savu_probe+0x1a7/0x3f0 drivers/hid/hid-roccat-savu.c:134
__hid_device_probe drivers/hid/hid-core.c:2760 [inline]
hid_device_probe+0x2ce/0x5f0 drivers/hid/hid-core.c:2797
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459
__device_attach+0x2c4/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x7fd/0xbf0 drivers/base/core.c:3692
hid_add_device+0x3c4/0x5a0 drivers/hid/hid-core.c:2943
usbhid_probe+0xdca/0x1310 drivers/hid/usbhid/hid-core.c:1451
usb_probe_interface+0x6a8/0xbf0 drivers/usb/core/driver.c:400
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459
__device_attach+0x2c4/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x7fd/0xbf0 drivers/base/core.c:3692
usb_set_configuration+0x1aad/0x2080 drivers/usb/core/message.c:2268
usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254
usb_probe_device+0x1ef/0x3b0 drivers/usb/core/driver.c:295
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459
__device_attach+0x2c4/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x7fd/0xbf0 drivers/base/core.c:3692
usb_new_device+0x98d/0x1500 drivers/usb/core/hub.c:2703
hub_port_connect drivers/usb/core/hub.c:5574 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5714 [inline]
port_event drivers/usb/core/hub.c:5878 [inline]
hub_event+0x2dbd/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
Freed by task 494:
kasan_save_stack mm/kasan/common.c:49 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
kasan_save_free_info+0x44/0x50 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:249 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2445 [inline]
slab_free mm/slub.c:4714 [inline]
kfree+0x158/0x440 mm/slub.c:4875
roccat_release+0x2c3/0x390 drivers/hid/hid-roccat.c:229
__fput+0x208/0xa30 fs/file_table.c:447
____fput+0x20/0x30 fs/file_table.c:475
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The buggy address belongs to the object at ffff88812fb32c00
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff88812fb32c00, ffff88812fb32e00)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12fb30
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4000000000000040(head|zone=1)
page_type: f5(slab)
raw: 4000000000000040 ffff888100041c80 ffffea0004bec900 dead000000000002
raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
head: 4000000000000040 ffff888100041c80 ffffea0004bec900 dead000000000002
head: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
head: 4000000000000002 ffffea0004becc01 ffffffffffffffff 0000000000000000
head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 320, tgid 320 (syz-executor), ts 33823505132, free_ts 0
set_page_owner include/linux/page_owner.h:35 [inline]
post_alloc_hook+0x37d/0x3b0 mm/page_alloc.c:1863
prep_new_page+0x2d/0x180 mm/page_alloc.c:1871
get_page_from_freelist+0x4aea/0x4ba0 mm/page_alloc.c:3948
__alloc_pages_noprof+0x35a/0x7e0 mm/page_alloc.c:5315
alloc_slab_page+0x6b/0x1e0 mm/slub.c:-1
allocate_slab+0x69/0x430 mm/slub.c:2687
new_slab mm/slub.c:2741 [inline]
___slab_alloc+0x591/0x8c0 mm/slub.c:3934
__slab_alloc mm/slub.c:4025 [inline]
__slab_alloc_node mm/slub.c:4078 [inline]
slab_alloc_node mm/slub.c:4239 [inline]
__kmalloc_cache_noprof+0x2cd/0x470 mm/slub.c:4421
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1117 [inline]
inetdev_init+0x8d/0x5c0 net/ipv4/devinet.c:284
inetdev_event+0x551/0x1240 net/ipv4/devinet.c:1578
notifier_call_chain+0x103/0x2b0 kernel/notifier.c:93
raw_notifier_call_chain+0x31/0x40 kernel/notifier.c:461
call_netdevice_notifiers_info net/core/dev.c:2074 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2112 [inline]
call_netdevice_notifiers+0x11d/0x1a0 net/core/dev.c:2126
register_netdevice+0x12d7/0x1a80 net/core/dev.c:10654
register_netdev+0x42/0x60 net/core/dev.c:10758
ip6gre_init_net+0x2d4/0x400 net/ipv6/ip6_gre.c:1637
page_owner free stack trace missing
Memory state around the buggy address:
ffff88812fb32b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88812fb32b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88812fb32c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88812fb32c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812fb32d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
usb 6-1: new high-speed USB device number 13 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 13
usb 6-1: new high-speed USB device number 14 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 14
usb 6-1: new high-speed USB device number 15 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 15
usb 6-1: new high-speed USB device number 16 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 16
usb 6-1: new high-speed USB device number 17 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in roccat_disconnect+0x236/0x240 drivers/hid/hid-roccat.c:373
Read of size 4 at addr ffff88812fb32c08 by task kworker/1:1/45
CPU: 1 UID: 0 PID: 45 Comm: kworker/1:1 Not tainted syzkaller #0 238002c42480d657f84ffff3a67e0b81dcf43858
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Workqueue: usb_hub_wq hub_event
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
print_address_description+0x71/0x210 mm/kasan/report.c:377
print_report+0x4a/0x70 mm/kasan/report.c:481
kasan_report+0x162/0x1a0 mm/kasan/report.c:594
__asan_report_load4_noabort+0x18/0x20 mm/kasan/report_generic.c:380
roccat_disconnect+0x236/0x240 drivers/hid/hid-roccat.c:373
savu_remove_specials drivers/hid/hid-roccat-savu.c:110 [inline]
savu_remove+0xf0/0x170 drivers/hid/hid-roccat-savu.c:150
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+0x4ad/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+0x2b0/0xa40 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+0x525/0x830 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
Allocated by task 45:
kasan_save_stack mm/kasan/common.c:49 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
kasan_save_alloc_info+0x3a/0x50 mm/kasan/generic.c:565
poison_kmalloc_redzone mm/kasan/common.c:379 [inline]
__kasan_kmalloc+0x96/0xb0 mm/kasan/common.c:396
kasan_kmalloc include/linux/kasan.h:261 [inline]
__kmalloc_cache_noprof+0x23c/0x470 mm/slub.c:4426
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1117 [inline]
roccat_connect+0x6a/0x540 drivers/hid/hid-roccat.c:306
savu_init_specials drivers/hid/hid-roccat-savu.c:84 [inline]
savu_probe+0x1a7/0x3f0 drivers/hid/hid-roccat-savu.c:134
__hid_device_probe drivers/hid/hid-core.c:2760 [inline]
hid_device_probe+0x2ce/0x5f0 drivers/hid/hid-core.c:2797
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459
__device_attach+0x2c4/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x7fd/0xbf0 drivers/base/core.c:3692
hid_add_device+0x3c4/0x5a0 drivers/hid/hid-core.c:2943
usbhid_probe+0xdca/0x1310 drivers/hid/usbhid/hid-core.c:1451
usb_probe_interface+0x6a8/0xbf0 drivers/usb/core/driver.c:400
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459
__device_attach+0x2c4/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x7fd/0xbf0 drivers/base/core.c:3692
usb_set_configuration+0x1aad/0x2080 drivers/usb/core/message.c:2268
usb_generic_driver_probe+0x95/0x160 drivers/usb/core/generic.c:254
usb_probe_device+0x1ef/0x3b0 drivers/usb/core/driver.c:295
call_driver_probe drivers/base/dd.c:-1 [inline]
really_probe+0x2e1/0x8b0 drivers/base/dd.c:657
__driver_probe_device+0x193/0x280 drivers/base/dd.c:799
driver_probe_device+0x54/0x3f0 drivers/base/dd.c:829
__device_attach_driver+0x2f1/0x4b0 drivers/base/dd.c:957
bus_for_each_drv+0x264/0x300 drivers/base/bus.c:459
__device_attach+0x2c4/0x3c0 drivers/base/dd.c:1029
device_initial_probe+0x1e/0x30 drivers/base/dd.c:1078
bus_probe_device+0x18b/0x270 drivers/base/bus.c:534
device_add+0x7fd/0xbf0 drivers/base/core.c:3692
usb_new_device+0x98d/0x1500 drivers/usb/core/hub.c:2703
hub_port_connect drivers/usb/core/hub.c:5574 [inline]
hub_port_connect_change drivers/usb/core/hub.c:5714 [inline]
port_event drivers/usb/core/hub.c:5878 [inline]
hub_event+0x2dbd/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
Freed by task 494:
kasan_save_stack mm/kasan/common.c:49 [inline]
kasan_save_track+0x3e/0x80 mm/kasan/common.c:70
kasan_save_free_info+0x44/0x50 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:249 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2445 [inline]
slab_free mm/slub.c:4714 [inline]
kfree+0x158/0x440 mm/slub.c:4875
roccat_release+0x2c3/0x390 drivers/hid/hid-roccat.c:229
__fput+0x208/0xa30 fs/file_table.c:447
____fput+0x20/0x30 fs/file_table.c:475
task_work_run+0x1e5/0x260 kernel/task_work.c:246
resume_user_mode_work+0x35/0x50 include/linux/resume_user_mode.h:50
exit_to_user_mode_loop kernel/entry/common.c:114 [inline]
exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline]
__syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline]
syscall_exit_to_user_mode+0x63/0xb0 kernel/entry/common.c:218
do_syscall_64+0x63/0xf0 arch/x86/entry/common.c:84
entry_SYSCALL_64_after_hwframe+0x76/0x7e
The buggy address belongs to the object at ffff88812fb32c00
which belongs to the cache kmalloc-512 of size 512
The buggy address is located 8 bytes inside of
freed 512-byte region [ffff88812fb32c00, ffff88812fb32e00)
The buggy address belongs to the physical page:
page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x12fb30
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4000000000000040(head|zone=1)
page_type: f5(slab)
raw: 4000000000000040 ffff888100041c80 ffffea0004bec900 dead000000000002
raw: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
head: 4000000000000040 ffff888100041c80 ffffea0004bec900 dead000000000002
head: 0000000000000000 0000000080100010 00000001f5000000 0000000000000000
head: 4000000000000002 ffffea0004becc01 ffffffffffffffff 0000000000000000
head: 0000000000000004 0000000000000000 00000000ffffffff 0000000000000000
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 320, tgid 320 (syz-executor), ts 33823505132, free_ts 0
set_page_owner include/linux/page_owner.h:35 [inline]
post_alloc_hook+0x37d/0x3b0 mm/page_alloc.c:1863
prep_new_page+0x2d/0x180 mm/page_alloc.c:1871
get_page_from_freelist+0x4aea/0x4ba0 mm/page_alloc.c:3948
__alloc_pages_noprof+0x35a/0x7e0 mm/page_alloc.c:5315
alloc_slab_page+0x6b/0x1e0 mm/slub.c:-1
allocate_slab+0x69/0x430 mm/slub.c:2687
new_slab mm/slub.c:2741 [inline]
___slab_alloc+0x591/0x8c0 mm/slub.c:3934
__slab_alloc mm/slub.c:4025 [inline]
__slab_alloc_node mm/slub.c:4078 [inline]
slab_alloc_node mm/slub.c:4239 [inline]
__kmalloc_cache_noprof+0x2cd/0x470 mm/slub.c:4421
kmalloc_noprof include/linux/slab.h:882 [inline]
kzalloc_noprof include/linux/slab.h:1117 [inline]
inetdev_init+0x8d/0x5c0 net/ipv4/devinet.c:284
inetdev_event+0x551/0x1240 net/ipv4/devinet.c:1578
notifier_call_chain+0x103/0x2b0 kernel/notifier.c:93
raw_notifier_call_chain+0x31/0x40 kernel/notifier.c:461
call_netdevice_notifiers_info net/core/dev.c:2074 [inline]
call_netdevice_notifiers_extack net/core/dev.c:2112 [inline]
call_netdevice_notifiers+0x11d/0x1a0 net/core/dev.c:2126
register_netdevice+0x12d7/0x1a80 net/core/dev.c:10654
register_netdev+0x42/0x60 net/core/dev.c:10758
ip6gre_init_net+0x2d4/0x400 net/ipv6/ip6_gre.c:1637
page_owner free stack trace missing
Memory state around the buggy address:
ffff88812fb32b00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
ffff88812fb32b80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff88812fb32c00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
^
ffff88812fb32c80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
ffff88812fb32d00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================
usb 6-1: new high-speed USB device number 13 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0031: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 13
usb 6-1: new high-speed USB device number 14 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0035: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 14
usb 6-1: new high-speed USB device number 15 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0039: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 15
usb 6-1: new high-speed USB device number 16 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: unknown main item tag 0x0
savu 0003:1E7D:2D5A.003D: hidraw0: USB HID v0.00 Device [HID 1e7d:2d5a] on usb-dummy_hcd.5-1/input0
usb 6-1: USB disconnect, device number 16
usb 6-1: new high-speed USB device number 17 using dummy_hcd
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has an invalid bInterval 0, changing to 7
usb 6-1: config 0 interface 0 altsetting 0 endpoint 0x81 has invalid wMaxPacketSize 0
usb 6-1: New USB device found, idVendor=1e7d, idProduct=2d5a, bcdDevice= 0.00
usb 6-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0
usb 6-1: config 0 descriptor??
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0
savu 0003:1E7D:2D5A.0041: unknown main item tag 0x0