Extracting prog: 2m32.308792867s
Minimizing prog: 11m31.268214004s
Simplifying prog options: 0s
Extracting C: 1m24.401340951s
Simplifying C: 9m24.761843633s
extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection: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
single: successfully extracted reproducer
found reproducer with 3 syscalls
minimizing guilty program
testing program (duration=45.469638168s, {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$I2C
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
program did not crash
testing program (duration=45.469638168s, {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$I2C_RDWR
detailed listing:
executing program 0:
syz_usb_connect(0x5, 0x24, &(0x7f0000000000)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], &(0x7f0000001700)={0xffffffa0, 0x0, 0x0, 0x0, 0x16})
ioctl$I2C_RDWR(0xffffffffffffffff, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.469638168s, {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, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.469638168s, {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, 0x0, &(0x7f0000001700)={0x0, 0x0, 0x0, 0x0})
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.469638168s, {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)=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, 0x0}], 0x1})
program did not crash
testing program (duration=45.469638168s, {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)=ANY=[@ANYBLOB="12010203296fb608229084d488ff0102030109021200010495008109041e800056a7f602"], 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000040), 0x1, 0x2003)
ioctl$I2C_RDWR(r0, 0x707, &(0x7f0000000a40)={&(0x7f00000002c0)=[{0x1900, 0xa000, 0x0, 0x0}], 0x1})
program did not crash
testing program (duration=45.469638168s, {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)=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, 0x0}], 0x1})
program did not crash
testing program (duration=45.469638168s, {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)=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=45.469638168s, {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)=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
extracting C reproducer
testing compiled C program (duration=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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=45.469638168s, {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 30m0.8995155s
repro crashed as (corrupted=false):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 UID: 0 PID: 6053 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x1ad/0x1040 drivers/media/usb/dvb-usb/dw2102.c:740
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 0d 60 32 fa 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 5f 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003da7a88 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff87f21855 RSI: ffffffff8f4ecdb0 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff8880296e3c00 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff11029996e54 R14: 0000000000000001 R15: ffff88814ccb72a8
FS: 0000555579fc2500(0000) GS:ffff8881257c4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32463fff CR3: 000000007579e000 CR4: 00000000003526f0
Call Trace:
__i2c_transfer+0x871/0x2170 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2320
i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306
i2cdev_ioctl+0x64b/0x7f0 drivers/i2c/i2c-dev.c:467
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:598 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97ba58ebe9
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:00007ffe3f8f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f97ba7b5fa0 RCX: 00007f97ba58ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f97ba611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97ba7b5fa0 R14: 00007f97ba7b5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x1ad/0x1040 drivers/media/usb/dvb-usb/dw2102.c:740
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 0d 60 32 fa 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 5f 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003da7a88 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff87f21855 RSI: ffffffff8f4ecdb0 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff8880296e3c00 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff11029996e54 R14: 0000000000000001 R15: ffff88814ccb72a8
FS: 0000555579fc2500(0000) GS:ffff8881258c4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd27b909c0 CR3: 000000007579e000 CR4: 00000000003526f0
----------------
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 0d 60 32 fa call 0xfa32602d
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 5f 09 00 00 jne 0x996
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):
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] SMP KASAN PTI
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 UID: 0 PID: 6053 Comm: syz.0.17 Not tainted syzkaller #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:su3000_i2c_transfer+0x1ad/0x1040 drivers/media/usb/dvb-usb/dw2102.c:740
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 0d 60 32 fa 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 5f 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003da7a88 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff87f21855 RSI: ffffffff8f4ecdb0 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff8880296e3c00 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff11029996e54 R14: 0000000000000001 R15: ffff88814ccb72a8
FS: 0000555579fc2500(0000) GS:ffff8881257c4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32463fff CR3: 000000007579e000 CR4: 00000000003526f0
Call Trace:
__i2c_transfer+0x871/0x2170 drivers/i2c/i2c-core-base.c:-1
i2c_transfer+0x25b/0x3a0 drivers/i2c/i2c-core-base.c:2320
i2cdev_ioctl_rdwr+0x460/0x740 drivers/i2c/i2c-dev.c:306
i2cdev_ioctl+0x64b/0x7f0 drivers/i2c/i2c-dev.c:467
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:598 [inline]
__se_sys_ioctl+0xf9/0x170 fs/ioctl.c:584
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xfa/0xfa0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f97ba58ebe9
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:00007ffe3f8f9888 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f97ba7b5fa0 RCX: 00007f97ba58ebe9
RDX: 0000200000000a40 RSI: 0000000000000707 RDI: 0000000000000004
RBP: 00007f97ba611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f97ba7b5fa0 R14: 00007f97ba7b5fa0 R15: 0000000000000003
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:su3000_i2c_transfer+0x1ad/0x1040 drivers/media/usb/dvb-usb/dw2102.c:740
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 0d 60 32 fa 49 8b 1f 48 89 d8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 0f 85 5f 09 00 00 0f b6 1b 48 8b 44 24 38 42
RSP: 0018:ffffc90003da7a88 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000010 RCX: 0000000000000003
RDX: ffffffff87f21855 RSI: ffffffff8f4ecdb0 RDI: 0000000000001900
RBP: 0000000000000000 R08: ffff8880296e3c00 R09: 0000000000000002
R10: 0000000000001a00 R11: 0000000000000000 R12: dffffc0000000000
R13: 1ffff11029996e54 R14: 0000000000000001 R15: ffff88814ccb72a8
FS: 0000555579fc2500(0000) GS:ffff8881258c4000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007efd27b909c0 CR3: 000000007579e000 CR4: 00000000003526f0
----------------
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 0d 60 32 fa call 0xfa32602d
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 5f 09 00 00 jne 0x996
37: 0f b6 1b movzbl (%rbx),%ebx
3a: 48 8b 44 24 38 mov 0x38(%rsp),%rax
3f: 42 rex.X