Extracting prog: 2m27.189825691s
Minimizing prog: 13m32.608344452s
Simplifying prog options: 0s
Extracting C: 1m21.357449787s
Simplifying C: 12m2.461662945s
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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 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=45.205413264s, {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$I2C
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
program did not crash
testing program (duration=45.205413264s, {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$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
ioctl$I2C_RDWR(0xffffffffffffffff, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 0x1})
program did not crash
testing program (duration=45.205413264s, {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, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 0x1})
program did not crash
testing program (duration=45.205413264s, {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, 0x0, &(0x7f0000001700)={0x0, 0x0, 0x0, 0x0})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 0x1})
program did not crash
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB], &(0x7f0000001700)={0x0, 0x0, 0x0, 0x0})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 0x1})
program did not crash
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 0x1})
program did not crash
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(0x0, 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, &(0x7f0000000080)}], 0x1})
program did not crash
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(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=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={0x0})
program did not crash
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
extracting C reproducer
testing compiled C program (duration=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
testing program (duration=45.205413264s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program crashed: general protection fault in su3000_i2c_transfer
validation run: crashed=true
reproducing took 35m1.376989359s
repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 PID: 4436 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x1a9/0x1020 drivers/media/usb/dvb-usb/dw2102.c:737
Code: 4c 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 4c 89 ff e8 a1 08 09 fb 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 50 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003597ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff86c7d221 RSI: ffffffff8d952e30 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff88807b459dc0 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff1100fc26e40 R14: 0000000000000001 R15: ffff88807e137208
FS: 000055555e744500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2da63fff CR3: 0000000073969000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__i2c_transfer+0x864/0x2260 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x24c/0x390 drivers/i2c/i2c-core-base.c:2333
i2cdev_ioctl_rdwr+0x3da/0x6c0 drivers/i2c/i2c-dev.c:297
i2cdev_ioctl+0x5ba/0x750 drivers/i2c/i2c-dev.c:458
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f68fff8ebe9
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:00007ffd96896518 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f69001b5fa0 RCX: 00007f68fff8ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f6900011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f69001b5fa0 R14: 00007f69001b5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x1a9/0x1020 drivers/media/usb/dvb-usb/dw2102.c:737
Code: 4c 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 4c 89 ff e8 a1 08 09 fb 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 50 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003597ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff86c7d221 RSI: ffffffff8d952e30 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff88807b459dc0 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff1100fc26e40 R14: 0000000000000001 R15: ffff88807e137208
FS: 000055555e744500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0d0d1909c0 CR3: 0000000073969000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 4c 89 f8 mov %r15,%rax
3: 48 c1 e8 03 shr $0x3,%rax
7: 49 bc 00 00 00 00 00 movabs $0xdffffc0000000000,%r12
e: fc ff df
11: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
16: 74 08 je 0x20
18: 4c 89 ff mov %r15,%rdi
1b: e8 a1 08 09 fb call 0xfb0908c1
20: 49 8b 1f mov (%r15),%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 50 09 00 00 jne 0x987
37: 0f b6 1b movzbl (%rbx),%ebx
3a: 48 8b 44 24 38 mov 0x38(%rsp),%rax
3f: 42 rex.X
final repro crashed as (corrupted=false):
general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 1 PID: 4436 Comm: syz.0.17 Not tainted 6.1.148-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x1a9/0x1020 drivers/media/usb/dvb-usb/dw2102.c:737
Code: 4c 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 4c 89 ff e8 a1 08 09 fb 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 50 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003597ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff86c7d221 RSI: ffffffff8d952e30 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff88807b459dc0 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff1100fc26e40 R14: 0000000000000001 R15: ffff88807e137208
FS: 000055555e744500(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2da63fff CR3: 0000000073969000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__i2c_transfer+0x864/0x2260 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x24c/0x390 drivers/i2c/i2c-core-base.c:2333
i2cdev_ioctl_rdwr+0x3da/0x6c0 drivers/i2c/i2c-dev.c:297
i2cdev_ioctl+0x5ba/0x750 drivers/i2c/i2c-dev.c:458
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:870 [inline]
__se_sys_ioctl+0xfa/0x170 fs/ioctl.c:856
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f68fff8ebe9
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:00007ffd96896518 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f69001b5fa0 RCX: 00007f68fff8ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f6900011e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f69001b5fa0 R14: 00007f69001b5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x1a9/0x1020 drivers/media/usb/dvb-usb/dw2102.c:737
Code: 4c 89 f8 48 c1 e8 03 49 bc 00 00 00 00 00 fc ff df 42 80 3c 20 00 74 08 4c 89 ff e8 a1 08 09 fb 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 50 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003597ac8 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff86c7d221 RSI: ffffffff8d952e30 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff88807b459dc0 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff1100fc26e40 R14: 0000000000000001 R15: ffff88807e137208
FS: 000055555e744500(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0d0d1909c0 CR3: 0000000073969000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 4c 89 f8 mov %r15,%rax
3: 48 c1 e8 03 shr $0x3,%rax
7: 49 bc 00 00 00 00 00 movabs $0xdffffc0000000000,%r12
e: fc ff df
11: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1)
16: 74 08 je 0x20
18: 4c 89 ff mov %r15,%rdi
1b: e8 a1 08 09 fb call 0xfb0908c1
20: 49 8b 1f mov (%r15),%rbx
23: 48 89 d8 mov %rbx,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 0f b6 04 20 movzbl (%rax,%r12,1),%eax <-- trapping instruction
2f: 84 c0 test %al,%al
31: 0f 85 50 09 00 00 jne 0x987
37: 0f b6 1b movzbl (%rbx),%ebx
3a: 48 8b 44 24 38 mov 0x38(%rsp),%rax
3f: 42 rex.X