Extracting prog: 6m29.834328623s
Minimizing prog: 23m35.891728481s
Simplifying prog options: 0s
Extracting C: 1m12.874244039s
Simplifying C: 6m56.103730547s


extracting reproducer from 30 programs
testing a last program of every proc
single: executing 5 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-openat-fallocate-fallocate-syz_open_dev$loop-ioctl$LOOP_SET_FD-openat-fallocate-fallocate-syz_open_dev$loop-ioctl$LOOP_SET_FD-ioctl-write-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./dev\x00', &(0x7f00000000c0)='devtmpfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./dev/mapper/control\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./file0\x00', 0x42, 0x1ff)
fallocate(r1, 0x0, 0x0, 0x1000000)
fallocate(r1, 0x11, 0x0, 0x1000000)
r2 = syz_open_dev$loop(&(0x7f0000000200), 0x0, 0x2)
ioctl$LOOP_SET_FD(r2, 0x4c00, r1)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000240)='./file1\x00', 0x42, 0x1ff)
fallocate(r3, 0x0, 0x0, 0x1000000)
fallocate(r3, 0x11, 0x0, 0x1000000)
r4 = syz_open_dev$loop(&(0x7f0000000280), 0x1, 0x2)
ioctl$LOOP_SET_FD(r4, 0x4c00, r3)
ioctl(r0, 0xc138fd03, &(0x7f0000000000)="0400000000000000000000003801000000000000000000000000000000000000000000000000000000000000000000006d79706f6f6c00")
write(r0, &(0x7f0000000138)="0000000000000000008000000000000000000000000000007468696e2d706f6f6c00000000000000373a3020373a3120313238203000", 0x36)
ioctl(r0, 0xc138fd09, &(0x7f0000000000)="0400000000000000000000006e01000038010000010000000000000000000000000000000000000000000000000000006d79706f6f6c00")
ioctl(r0, 0xc138fd06, &(0x7f0000000000)="0400000000000000000000003801000000000000000000000000000000000000000000000000000000000000000000006d79706f6f6c00")

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./sys/module/acpi/parameters/debug_level\x00', 0x2, 0x0)
write(r0, &(0x7f0000000140)='0xffffffff\x00', 0xb)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./sys/module/acpi/parameters/debug_layer\x00', 0x2, 0x0)
write(r1, &(0x7f00000001c0)='0xffffffff\x00', 0xb)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000200)='./sys/power/state\x00', 0x2, 0x0)
write(r2, &(0x7f0000000240)='mem\n', 0x4)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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$hid-nanosleep
detailed listing:
executing program 0:
r0 = syz_usb_connect$hid(0x0, 0x36, &(0x7f0000000040)=ANY=[@ANYBLOB="120100000000181058040550000000000001090224000100000000090400000903000000092100000001221600090581030800000000"], 0x0)
syz_usb_control_io$hid(r0, 0x0, 0x0)
syz_usb_control_io$hid(r0, &(0x7f00000001c0)={0x28, 0x0, 0x0, &(0x7f0000000000)={0x0, 0x22, 0x16, {[@global=@item_012={0x1, 0x1, 0x0, "01"}, @local=@item_012={0x1, 0x2, 0x0, "02"}, @main=@item_012={0x1, 0x0, 0xa, "01"}, @global=@item_012={0x1, 0x1, 0x8, "05"}, @local=@item_012={0x1, 0x2, 0x0, '\x00'}, @global=@item_012={0x1, 0x1, 0x1, '\x00'}, @global=@item_012={0x2, 0x1, 0x2, "ff00"}, @global=@item_012={0x1, 0x1, 0x7, '\b'}, @global=@item_012={0x1, 0x1, 0x9, '\a'}, @main=@item_012={0x1, 0x0, 0xb, "02"}, @main=@item_012={0x0, 0x0, 0xc}]}}, 0x0}, 0x0)
nanosleep(&(0x7f0000000300)={0x1}, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$uac1-nanosleep-syz_open_dev$sndctrl-ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE-syz_open_dev$sndctrl-ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE-syz_open_dev$sndctrl-ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE
detailed listing:
executing program 0:
syz_usb_connect$uac1(0x2, 0xb2, &(0x7f0000000000)={{0x12, 0x1, 0x201, 0x0, 0x0, 0x0, 0x20, 0xb05, 0x1743, 0x40, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0xa0, 0x3, 0x1, 0x9, 0x40, 0x3f, "", {{{0x9, 0x4, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, {{0xa, 0x24, 0x1, 0x100, 0x2a}, [@input_terminal={0xc, 0x24, 0x2, 0x1, 0x201, 0x0, 0x1, 0x3}, @feature_unit={0xb, 0x24, 0x6, 0x2, 0x1, 0x2, [0x1, 0x2]}, @output_terminal={0x9, 0x24, 0x3, 0x3, 0x301, 0x0, 0x2}]}}, {}, {0x9, 0x4, 0x1, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@as_header={0x7, 0x24, 0x1, 0x1, 0x8, 0x5}, @format_type_ii_discrete={0x9, 0x24, 0x2, 0x2, 0x200, 0xfff}]}, {{0x9, 0x5, 0x1, 0x5, 0x200, 0x1, 0x0, 0x0, {0x7, 0x25, 0x1, 0x1}}}}, {}, {0x9, 0x4, 0x2, 0x1, 0x1, 0x1, 0x2, 0x0, 0x0, {[@as_header={0x7, 0x24, 0x1, 0x3, 0x8, 0x5}, @format_type_ii_discrete={0x9, 0x24, 0x2, 0x2, 0x200, 0xfff}]}, {{0x9, 0x5, 0x82, 0x5, 0x200, 0x1, 0x0, 0x0, {0x7, 0x25, 0x1, 0x1}}}}}}}}]}}, &(0x7f0000000500)={0x0, 0x0, 0x0, 0x0})
nanosleep(&(0x7f0000000300)={0x1}, 0x0)
r0 = syz_open_dev$sndctrl(&(0x7f0000000100), 0x0, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r0, 0xc4c85513, &(0x7f0000000200)={{0x1, 0x2}, 0x0, [0x1, 0x1, 0x1, 0x1]})
r1 = syz_open_dev$sndctrl(&(0x7f0000000100), 0x1, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r1, 0xc4c85513, &(0x7f0000000200)={{0x1, 0x2}, 0x0, [0x1, 0x1, 0x1, 0x1]})
r2 = syz_open_dev$sndctrl(&(0x7f0000000100), 0x2, 0x0)
ioctl$SNDRV_CTL_IOCTL_ELEM_WRITE(r2, 0xc4c85513, &(0x7f0000000200)={{0x1, 0x2}, 0x0, [0x1, 0x1, 0x1, 0x1]})

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl-ioctl-ioctl-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc0145608, &(0x7f0000000600)="03000000010000000400"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000700)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000400"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000900)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000600"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000a00)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000700"/88)
ioctl(r1, 0xc0145608, &(0x7f0000000b00)="00000000010000000400"/20)

program crashed: KASAN: slab-use-after-free Read in sur40_open
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl-ioctl-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc0145608, &(0x7f0000000600)="03000000010000000400"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000700)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000400"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000900)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000600"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000a00)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000700"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc0145608, &(0x7f0000000600)="03000000010000000400"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000700)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000400"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000900)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000600"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc0145608, &(0x7f0000000600)="03000000010000000400"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000700)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000400"/88)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc0145608, &(0x7f0000000600)="03000000010000000400"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000700)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000400"/88)

program did not crash
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc0145608, &(0x7f0000000600)="03000000010000000400"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r0, 0xc0405610, &(0x7f0000000500)="0100"/64)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in sur40_open
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc0145608, &(0x7f0000000400)="03000000010000000100"/20)
ioctl(r1, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-openat-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(r0, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-openat-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./mydev/v4l-touch0\x00', 0x2, 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-nanosleep-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
nanosleep(&(0x7f0000000200)={0x1}, 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in sur40_open
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
mount(&(0x7f0000000040)=@filename='devtmpfs\x00', &(0x7f0000000000)='./mydev\x00', &(0x7f0000000080)='devtmpfs\x00', 0x0, 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program did not crash
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true 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-ioctl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./mydev\x00', 0x1ff)
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in sur40_open
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program crashed: KASAN: slab-use-after-free Read in sur40_open
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, 0x0, 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program did not crash
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, &(0x7f0000000800)="000000000100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000040000000500"/88)

program did not crash
testing program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, 0x0)

program crashed: KASAN: slab-use-after-free Read in sur40_open
extracting C reproducer
testing compiled C program (duration=45.64448353s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
simplifying C reproducer
testing compiled C program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
testing compiled C program (duration=45.64448353s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program did not crash
testing compiled C program (duration=45.64448353s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program did not crash
testing compiled C program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
testing compiled C program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
testing compiled C program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
testing compiled C program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
testing compiled C program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
program crashed: KASAN: slab-use-after-free Read in sur40_open
testing program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, 0x0)

program crashed: KASAN: slab-use-after-free Read in sur40_open
validation run: crashed=true
testing program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, 0x0)

program crashed: KASAN: slab-use-after-free Read in input_dev_uevent
validation run: crashed=true
testing program (duration=45.64448353s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-ioctl
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x47, &(0x7f0000000100)=ANY=[@ANYBLOB="12010002ff0000405e04750700010102000109023500010100a0320904000005ff0000000705810200020007058202000200070583020002000705840200020007058602000200"], 0x0)
ioctl(0xffffffffffffffff, 0xc058560f, 0x0)

program crashed: KASAN: slab-use-after-free Read in sur40_open
validation run: crashed=true
reproducing took 43m2.369386089s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in sur40_init drivers/input/touchscreen/sur40.c:352 [inline]
BUG: KASAN: slab-use-after-free in sur40_open+0x46c/0x500 drivers/input/touchscreen/sur40.c:397
Read of size 8 at addr ffff888077972000 by task acpid/4962

CPU: 1 UID: 0 PID: 4962 Comm: acpid Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 sur40_init drivers/input/touchscreen/sur40.c:352 [inline]
 sur40_open+0x46c/0x500 drivers/input/touchscreen/sur40.c:397
 input_open_device+0x24c/0x3d0 drivers/input/input.c:601
 mousedev_open_device+0xe2/0x140 drivers/input/mousedev.c:430
 mousedev_open+0x2fd/0x580 drivers/input/mousedev.c:556
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:947
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fab54aed407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd87c7ab40 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fab54a63780 RCX: 00007fab54aed407
RDX: 0000000000080800 RSI: 00007ffd87c7ad50 RDI: ffffffffffffff9c
RBP: 00007ffd87c7ad50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000100
R13: 00007ffd87c7ae50 R14: 00005632d84207fe R15: 00007ffd87c7ae70
 </TASK>

Allocated by task 5990:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 sur40_probe+0x1a8/0x1580 drivers/input/touchscreen/sur40.c:675
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 5990:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6692
 sur40_probe+0xc36/0x1580 drivers/input/touchscreen/sur40.c:816
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff888077972000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 0 bytes inside of
 freed 4096-byte region [ffff888077972000, ffff888077973000)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x77970
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88813fe28140 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800040004 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88813fe28140 dead000000000100 dead000000000122
head: 0000000000000000 0000000800040004 00000000f5000000 0000000000000000
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4977, tgid 4977 (udevd), ts 80671121109, free_ts 80620429448
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab mm/slub.c:3380 [inline]
 new_slab+0xa2/0x640 mm/slub.c:3426
 refill_objects+0xe3/0x410 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_noprof+0x66d/0x820 mm/slub.c:5359
 _kmalloc_noprof include/linux/slab.h:992 [inline]
 tomoyo_realpath_from_path+0xb6/0x690 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x2af/0x3c0 security/tomoyo/file.c:776
 tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
 security_file_open+0xb5/0x1e0 security/security.c:2739
 do_dentry_open+0x588/0x14d0 fs/open.c:924
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
page last free pid 5990 tgid 5990 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_noprof+0x26b/0x6a0 mm/slub.c:4931
 __kernfs_new_node+0xd2/0xa10 fs/kernfs/dir.c:665
 kernfs_new_node+0x117/0x150 fs/kernfs/dir.c:751
 __kernfs_create_file+0x53/0x350 fs/kernfs/file.c:1050
 sysfs_add_file_mode_ns+0x207/0x3c0 fs/sysfs/file.c:316
 create_files fs/sysfs/group.c:82 [inline]
 internal_create_group+0x593/0xfb0 fs/sysfs/group.c:189
 internal_create_groups+0x9d/0x150 fs/sysfs/group.c:229
 device_add_groups drivers/base/core.c:2907 [inline]
 device_add_attrs drivers/base/core.c:2982 [inline]
 device_add+0x7c8/0x1970 drivers/base/core.c:3711
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486

Memory state around the buggy address:
 ffff888077971f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888077971f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888077972000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888077972080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888077972100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in sur40_init drivers/input/touchscreen/sur40.c:352 [inline]
BUG: KASAN: slab-use-after-free in sur40_open+0x46c/0x500 drivers/input/touchscreen/sur40.c:397
Read of size 8 at addr ffff888077972000 by task acpid/4962

CPU: 1 UID: 0 PID: 4962 Comm: acpid Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/16/2026
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 sur40_init drivers/input/touchscreen/sur40.c:352 [inline]
 sur40_open+0x46c/0x500 drivers/input/touchscreen/sur40.c:397
 input_open_device+0x24c/0x3d0 drivers/input/input.c:601
 mousedev_open_device+0xe2/0x140 drivers/input/mousedev.c:430
 mousedev_open+0x2fd/0x580 drivers/input/mousedev.c:556
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:947
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
 do_sys_open fs/open.c:1374 [inline]
 __do_sys_openat fs/open.c:1390 [inline]
 __se_sys_openat fs/open.c:1385 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1385
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fab54aed407
Code: 48 89 fa 4c 89 df e8 38 aa 00 00 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 1a 5b c3 0f 1f 84 00 00 00 00 00 48 8b 44 24 10 0f 05 <5b> c3 0f 1f 80 00 00 00 00 83 e2 39 83 fa 08 75 de e8 23 ff ff ff
RSP: 002b:00007ffd87c7ab40 EFLAGS: 00000202 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fab54a63780 RCX: 00007fab54aed407
RDX: 0000000000080800 RSI: 00007ffd87c7ad50 RDI: ffffffffffffff9c
RBP: 00007ffd87c7ad50 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000100
R13: 00007ffd87c7ae50 R14: 00005632d84207fe R15: 00007ffd87c7ae70
 </TASK>

Allocated by task 5990:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:398 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:415
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2e5/0x6c0 mm/slub.c:5489
 _kmalloc_noprof include/linux/slab.h:988 [inline]
 _kzalloc_noprof include/linux/slab.h:1309 [inline]
 sur40_probe+0x1a8/0x1580 drivers/input/touchscreen/sur40.c:675
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

Freed by task 5990:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:253 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:285
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2677 [inline]
 slab_free mm/slub.c:6377 [inline]
 kfree+0x22b/0x6c0 mm/slub.c:6692
 sur40_probe+0xc36/0x1580 drivers/input/touchscreen/sur40.c:816
 usb_probe_interface+0x303/0x8f0 drivers/usb/core/driver.c:396
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268
 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250
 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:291
 call_driver_probe drivers/base/dd.c:628 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:706
 __driver_probe_device+0x20e/0x450 drivers/base/dd.c:868
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898
 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026
 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500
 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098
 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153
 bus_probe_device+0x64/0x160 drivers/base/bus.c:620
 device_add+0x121d/0x1970 drivers/base/core.c:3772
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486
 kthread+0x370/0x450 kernel/kthread.c:436
 ret_from_fork+0x72b/0xd50 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245

The buggy address belongs to the object at ffff888077972000
 which belongs to the cache kmalloc-4k of size 4096
The buggy address is located 0 bytes inside of
 freed 4096-byte region [ffff888077972000, ffff888077973000)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x77970
head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000040(head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000040 ffff88813fe28140 dead000000000100 dead000000000122
raw: 0000000000000000 0000000800040004 00000000f5000000 0000000000000000
head: 00fff00000000040 ffff88813fe28140 dead000000000100 dead000000000122
head: 0000000000000000 0000000800040004 00000000f5000000 0000000000000000
head: 00fff00000000003 fffffffffffffe01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000008
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 3, migratetype Unmovable, gfp_mask 0xd2040(__GFP_IO|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 4977, tgid 4977 (udevd), ts 80671121109, free_ts 80620429448
 set_page_owner include/linux/page_owner.h:32 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1859
 prep_new_page mm/page_alloc.c:1867 [inline]
 get_page_from_freelist+0xf48/0x3530 mm/page_alloc.c:3946
 __alloc_frozen_pages_noprof+0x299/0x2dc0 mm/page_alloc.c:5304
 alloc_slab_page mm/slub.c:3266 [inline]
 allocate_slab mm/slub.c:3380 [inline]
 new_slab+0xa2/0x640 mm/slub.c:3426
 refill_objects+0xe3/0x410 mm/slub.c:7310
 refill_sheaf mm/slub.c:2804 [inline]
 __pcs_replace_empty_main+0x376/0x680 mm/slub.c:4675
 alloc_from_pcs mm/slub.c:4773 [inline]
 slab_alloc_node mm/slub.c:4905 [inline]
 __do_kmalloc_node mm/slub.c:5333 [inline]
 __kmalloc_noprof+0x66d/0x820 mm/slub.c:5359
 _kmalloc_noprof include/linux/slab.h:992 [inline]
 tomoyo_realpath_from_path+0xb6/0x690 security/tomoyo/realpath.c:251
 tomoyo_get_realpath security/tomoyo/file.c:151 [inline]
 tomoyo_check_open_permission+0x2af/0x3c0 security/tomoyo/file.c:776
 tomoyo_file_open+0x6b/0x90 security/tomoyo/tomoyo.c:334
 security_file_open+0xb5/0x1e0 security/security.c:2739
 do_dentry_open+0x588/0x14d0 fs/open.c:924
 vfs_open+0x82/0x3f0 fs/open.c:1052
 do_open fs/namei.c:4700 [inline]
 path_openat+0x2873/0x4280 fs/namei.c:4863
 do_file_open+0x20e/0x430 fs/namei.c:4892
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1368
page last free pid 5990 tgid 5990 stack trace:
 reset_page_owner include/linux/page_owner.h:25 [inline]
 __free_pages_prepare mm/page_alloc.c:1406 [inline]
 __free_frozen_pages+0x79f/0x1090 mm/page_alloc.c:2950
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:350
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4584 [inline]
 slab_alloc_node mm/slub.c:4917 [inline]
 kmem_cache_alloc_noprof+0x26b/0x6a0 mm/slub.c:4931
 __kernfs_new_node+0xd2/0xa10 fs/kernfs/dir.c:665
 kernfs_new_node+0x117/0x150 fs/kernfs/dir.c:751
 __kernfs_create_file+0x53/0x350 fs/kernfs/file.c:1050
 sysfs_add_file_mode_ns+0x207/0x3c0 fs/sysfs/file.c:316
 create_files fs/sysfs/group.c:82 [inline]
 internal_create_group+0x593/0xfb0 fs/sysfs/group.c:189
 internal_create_groups+0x9d/0x150 fs/sysfs/group.c:229
 device_add_groups drivers/base/core.c:2907 [inline]
 device_add_attrs drivers/base/core.c:2982 [inline]
 device_add+0x7c8/0x1970 drivers/base/core.c:3711
 usb_new_device.cold+0x685/0x115c drivers/usb/core/hub.c:2695
 hub_port_connect drivers/usb/core/hub.c:5567 [inline]
 hub_port_connect_change drivers/usb/core/hub.c:5707 [inline]
 port_event drivers/usb/core/hub.c:5871 [inline]
 hub_event+0x30a3/0x4a60 drivers/usb/core/hub.c:5953
 process_one_work+0xa23/0x1940 kernel/workqueue.c:3322
 process_scheduled_works kernel/workqueue.c:3405 [inline]
 worker_thread+0x5ef/0xe50 kernel/workqueue.c:3486

Memory state around the buggy address:
 ffff888077971f00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888077971f80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888077972000: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                   ^
 ffff888077972080: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888077972100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================