Extracting prog: 1m56.890402881s
Minimizing prog: 11m10.416078676s
Simplifying prog options: 0s
Extracting C: 30.317051611s
Simplifying C: 8m42.671050342s


extracting reproducer from 30 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: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-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)={&(0x7f0000000480)=[{0x1900, 0x8001, 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=45.414037863s, {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-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=45.414037863s, {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$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)={{0x12, 0x1, 0x300, 0x29, 0x6f, 0xb6, 0x8, 0x9022, 0xd484, 0xff88, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x4, 0x95, 0x0, 0x81, [{{0x9, 0x4, 0x1e, 0x80, 0x0, 0x56, 0xa7, 0xf6, 0x2}}]}}]}}, &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
ioctl$I2C_RDWR(0xffffffffffffffff, 0x707, &(0x7f0000000080)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program did not crash
testing program (duration=45.414037863s, {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_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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program did not crash
testing program (duration=45.414037863s, {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-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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program did not crash
testing program (duration=45.414037863s, {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-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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program did not crash
testing program (duration=45.414037863s, {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-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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program did not crash
testing program (duration=45.414037863s, {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-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=45.414037863s, {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-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=45.414037863s, {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-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
simplifying C reproducer
testing compiled C program (duration=45.414037863s, {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-syz_open_dev$I2C-ioctl$I2C_RDWR
program crashed: general protection fault in su3000_i2c_transfer
testing compiled C program (duration=45.414037863s, {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=45.414037863s, {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=45.414037863s, {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=45.414037863s, {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=45.414037863s, {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=45.414037863s, {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=45.414037863s, {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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
testing program (duration=45.414037863s, {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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
testing program (duration=45.414037863s, {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)={&(0x7f0000000480)=[{0x1900, 0x8001, 0x0, 0x0}], 0x1})

program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
reproducing took 25m11.72844543s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 5981 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:su3000_i2c_transfer+0x610/0xea0 drivers/media/usb/dvb-usb/dw2102.c:740
Code: 42 ec f9 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 81 07 00 00 48 8b 5b 08 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 52 07 00 00 48 8b 44 24 10
RSP: 0018:ffffc900038e7c30 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffffff87d29fa5
RDX: 0000000000000000 RSI: ffffffff87d2a429 RDI: ffff88802fcaae48
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000001a00
R10: 0000000000001900 R11: ffff888031070b30 R12: ffff88803560ac00
R13: 0000000000001900 R14: 0000000000000001 R15: dffffc0000000000
FS:  00005555817f9500(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed63fff CR3: 000000007d7d3000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __i2c_transfer+0x6b6/0x2100 drivers/i2c/i2c-core-base.c:2261
 i2c_transfer drivers/i2c/i2c-core-base.c:2317 [inline]
 i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2293
 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x628/0x840 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa4d2f8f749
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:00007ffe2ab9b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa4d31e5fa0 RCX: 00007fa4d2f8f749
RDX: 0000200000000080 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007fa4d3013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa4d31e5fa0 R14: 00007fa4d31e5fa0 R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x610/0xea0 drivers/media/usb/dvb-usb/dw2102.c:740
Code: 42 ec f9 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 81 07 00 00 48 8b 5b 08 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 52 07 00 00 48 8b 44 24 10
RSP: 0018:ffffc900038e7c30 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffffff87d29fa5
RDX: 0000000000000000 RSI: ffffffff87d2a429 RDI: ffff88802fcaae48
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000001a00
R10: 0000000000001900 R11: ffff888031070b30 R12: ffff88803560ac00
R13: 0000000000001900 R14: 0000000000000001 R15: dffffc0000000000
FS:  00005555817f9500(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed63fff CR3: 000000007d7d3000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	42 ec                	rex.X in (%dx),%al
   2:	f9                   	stc
   3:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
   7:	48 89 f8             	mov    %rdi,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  13:	0f 85 81 07 00 00    	jne    0x79a
  19:	48 8b 5b 08          	mov    0x8(%rbx),%rbx
  1d:	48 89 d8             	mov    %rbx,%rax
  20:	48 89 da             	mov    %rbx,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	38 d0                	cmp    %dl,%al
  31:	7f 08                	jg     0x3b
  33:	84 c0                	test   %al,%al
  35:	0f 85 52 07 00 00    	jne    0x78d
  3b:	48 8b 44 24 10       	mov    0x10(%rsp),%rax

final repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 UID: 0 PID: 5981 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
RIP: 0010:su3000_i2c_transfer+0x610/0xea0 drivers/media/usb/dvb-usb/dw2102.c:740
Code: 42 ec f9 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 81 07 00 00 48 8b 5b 08 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 52 07 00 00 48 8b 44 24 10
RSP: 0018:ffffc900038e7c30 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffffff87d29fa5
RDX: 0000000000000000 RSI: ffffffff87d2a429 RDI: ffff88802fcaae48
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000001a00
R10: 0000000000001900 R11: ffff888031070b30 R12: ffff88803560ac00
R13: 0000000000001900 R14: 0000000000000001 R15: dffffc0000000000
FS:  00005555817f9500(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed63fff CR3: 000000007d7d3000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 __i2c_transfer+0x6b6/0x2100 drivers/i2c/i2c-core-base.c:2261
 i2c_transfer drivers/i2c/i2c-core-base.c:2317 [inline]
 i2c_transfer+0x1da/0x380 drivers/i2c/i2c-core-base.c:2293
 i2cdev_ioctl_rdwr+0x373/0x710 drivers/i2c/i2c-dev.c:306
 i2cdev_ioctl+0x628/0x840 drivers/i2c/i2c-dev.c:467
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa4d2f8f749
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:00007ffe2ab9b448 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fa4d31e5fa0 RCX: 00007fa4d2f8f749
RDX: 0000200000000080 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007fa4d3013f91 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa4d31e5fa0 R14: 00007fa4d31e5fa0 R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x610/0xea0 drivers/media/usb/dvb-usb/dw2102.c:740
Code: 42 ec f9 48 8d 7b 08 48 89 f8 48 c1 e8 03 42 80 3c 38 00 0f 85 81 07 00 00 48 8b 5b 08 48 89 d8 48 89 da 48 c1 e8 03 83 e2 07 <42> 0f b6 04 38 38 d0 7f 08 84 c0 0f 85 52 07 00 00 48 8b 44 24 10
RSP: 0018:ffffc900038e7c30 EFLAGS: 00010246
RAX: 0000000000000002 RBX: 0000000000000010 RCX: ffffffff87d29fa5
RDX: 0000000000000000 RSI: ffffffff87d2a429 RDI: ffff88802fcaae48
RBP: 0000000000000000 R08: 0000000000000003 R09: 0000000000001a00
R10: 0000000000001900 R11: ffff888031070b30 R12: ffff88803560ac00
R13: 0000000000001900 R14: 0000000000000001 R15: dffffc0000000000
FS:  00005555817f9500(0000) GS:ffff8881249f5000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ed63fff CR3: 000000007d7d3000 CR4: 00000000003526f0
----------------
Code disassembly (best guess):
   0:	42 ec                	rex.X in (%dx),%al
   2:	f9                   	stc
   3:	48 8d 7b 08          	lea    0x8(%rbx),%rdi
   7:	48 89 f8             	mov    %rdi,%rax
   a:	48 c1 e8 03          	shr    $0x3,%rax
   e:	42 80 3c 38 00       	cmpb   $0x0,(%rax,%r15,1)
  13:	0f 85 81 07 00 00    	jne    0x79a
  19:	48 8b 5b 08          	mov    0x8(%rbx),%rbx
  1d:	48 89 d8             	mov    %rbx,%rax
  20:	48 89 da             	mov    %rbx,%rdx
  23:	48 c1 e8 03          	shr    $0x3,%rax
  27:	83 e2 07             	and    $0x7,%edx
* 2a:	42 0f b6 04 38       	movzbl (%rax,%r15,1),%eax <-- trapping instruction
  2f:	38 d0                	cmp    %dl,%al
  31:	7f 08                	jg     0x3b
  33:	84 c0                	test   %al,%al
  35:	0f 85 52 07 00 00    	jne    0x78d
  3b:	48 8b 44 24 10       	mov    0x10(%rsp),%rax