Extracting prog: 1m57.645535524s
Minimizing prog: 17m9.068414169s
Simplifying prog options: 0s
Extracting C: 30.876752182s
Simplifying C: 10m25.839117686s
extracting reproducer from 24 programs
first checking the prog from the crash report
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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=45.2081551s, {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: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-syz_open_dev$I2C
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
program did not crash
testing program (duration=45.2081551s, {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: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$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
ioctl$I2C_RDWR(0xffffffffffffffff, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.2081551s, {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: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_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x0, 0x0, &(0x7f0000001700)={0x0, 0x0, 0x0, 0x0})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(0x0, 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, 0x0)
program did not crash
testing program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={0x0})
program did not crash
extracting C reproducer
testing compiled C program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
simplifying C reproducer
testing compiled C program (duration=45.2081551s, {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: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-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.2081551s, {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-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154: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-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
testing program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
testing program (duration=45.2081551s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_open_dev$I2C-ioctl$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000080)={&(0x7f00000001c0)=[{0x1a00, 0x9211, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
reproducing took 35m21.377022897s
repro crashed as (corrupted=false):
dvb-usb: bulk message failed: -22 (1/0)
dw2102: i2c transfer failed.
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 5953 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x2e3/0x1020 drivers/media/usb/dvb-usb/dw2102.c:749
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 6a 85 d8 fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 d7 08 00 00 41 88 1e 48 8b 44 24 48 42
RSP: 0018:ffffc90003387ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 4d531df114d43c00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc900033877c7 R09: 1ffff92000670ef8
R10: dffffc0000000000 R11: fffff52000670ef9 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff88814c5ded68
FS: 0000555574487500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db63fff CR3: 000000007a1f8000 CR4: 00000000003506f0
Call Trace:
__i2c_transfer+0x868/0x2080 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x250/0x390 drivers/i2c/i2c-core-base.c:2328
i2cdev_ioctl_rdwr+0x3b0/0x690 drivers/i2c/i2c-dev.c:297
i2cdev_ioctl+0x646/0x7e0 drivers/i2c/i2c-dev.c:458
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1bc3f8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffb8755d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1bc41c5fa0 RCX: 00007f1bc3f8ebe9
RDX: 0000200000000080 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f1bc4011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1bc41c5fa0 R14: 00007f1bc41c5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x2e3/0x1020 drivers/media/usb/dvb-usb/dw2102.c:749
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 6a 85 d8 fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 d7 08 00 00 41 88 1e 48 8b 44 24 48 42
RSP: 0018:ffffc90003387ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 4d531df114d43c00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc900033877c7 R09: 1ffff92000670ef8
R10: dffffc0000000000 R11: fffff52000670ef9 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff88814c5ded68
FS: 0000555574487500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0e7b9d7e9c CR3: 000000007a1f8000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
0: 0f b6 18 movzbl (%rax),%ebx
3: 49 83 c7 08 add $0x8,%r15
7: 4c 89 f8 mov %r15,%rax
a: 48 c1 e8 03 shr $0x3,%rax
e: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
13: 74 08 je 0x1d
15: 4c 89 ff mov %r15,%rdi
18: e8 6a 85 d8 fa call 0xfad88587
1d: 4d 8b 37 mov (%r15),%r14
20: 49 ff c6 inc %r14
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 d7 08 00 00 jne 0x90e
37: 41 88 1e mov %bl,(%r14)
3a: 48 8b 44 24 48 mov 0x48(%rsp),%rax
3f: 42 rex.X
final repro crashed as (corrupted=false):
dvb-usb: bulk message failed: -22 (1/0)
dw2102: i2c transfer failed.
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 5953 Comm: syz.0.17 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x2e3/0x1020 drivers/media/usb/dvb-usb/dw2102.c:749
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 6a 85 d8 fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 d7 08 00 00 41 88 1e 48 8b 44 24 48 42
RSP: 0018:ffffc90003387ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 4d531df114d43c00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc900033877c7 R09: 1ffff92000670ef8
R10: dffffc0000000000 R11: fffff52000670ef9 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff88814c5ded68
FS: 0000555574487500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2db63fff CR3: 000000007a1f8000 CR4: 00000000003506f0
Call Trace:
__i2c_transfer+0x868/0x2080 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x250/0x390 drivers/i2c/i2c-core-base.c:2328
i2cdev_ioctl_rdwr+0x3b0/0x690 drivers/i2c/i2c-dev.c:297
i2cdev_ioctl+0x646/0x7e0 drivers/i2c/i2c-dev.c:458
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:871 [inline]
__se_sys_ioctl+0xfd/0x170 fs/ioctl.c:857
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x55/0xb0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f1bc3f8ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fffb8755d48 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f1bc41c5fa0 RCX: 00007f1bc3f8ebe9
RDX: 0000200000000080 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f1bc4011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f1bc41c5fa0 R14: 00007f1bc41c5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x2e3/0x1020 drivers/media/usb/dvb-usb/dw2102.c:749
Code: 0f b6 18 49 83 c7 08 4c 89 f8 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 ff e8 6a 85 d8 fa 4d 8b 37 49 ff c6 4c 89 f0 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 d7 08 00 00 41 88 1e 48 8b 44 24 48 42
RSP: 0018:ffffc90003387ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 4d531df114d43c00
RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: ffffc900033877c7 R09: 1ffff92000670ef8
R10: dffffc0000000000 R11: fffff52000670ef9 R12: 0000000000000001
R13: dffffc0000000000 R14: 0000000000000011 R15: ffff88814c5ded68
FS: 0000555574487500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0e7b9d7e9c CR3: 000000007a1f8000 CR4: 00000000003506e0
----------------
Code disassembly (best guess):
0: 0f b6 18 movzbl (%rax),%ebx
3: 49 83 c7 08 add $0x8,%r15
7: 4c 89 f8 mov %r15,%rax
a: 48 c1 e8 03 shr $0x3,%rax
e: 42 80 3c 28 00 cmpb $0x0,(%rax,%r13,1)
13: 74 08 je 0x1d
15: 4c 89 ff mov %r15,%rdi
18: e8 6a 85 d8 fa call 0xfad88587
1d: 4d 8b 37 mov (%r15),%r14
20: 49 ff c6 inc %r14
23: 4c 89 f0 mov %r14,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 d7 08 00 00 jne 0x90e
37: 41 88 1e mov %bl,(%r14)
3a: 48 8b 44 24 48 mov 0x48(%rsp),%rax
3f: 42 rex.X