Extracting prog: 3m14.87310008s
Minimizing prog: 21m9.475279939s
Simplifying prog options: 0s
Extracting C: 37.064874557s
Simplifying C: 9m39.056918648s


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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
single: successfully extracted reproducer
found reproducer with 4 syscalls
minimizing guilty program
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
preadv(0xffffffffffffffff, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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$I2C-preadv
detailed listing:
executing program 0:
syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
r0 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r0, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r0 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r0, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x0, 0x0, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0)
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(0x0, 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, 0x0, 0x0, 0x8c0, 0x2bd6)

program did not crash
testing program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{0x0}], 0x1, 0x8c0, 0x2bd6)

program did not crash
extracting C reproducer
testing compiled C program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
simplifying C reproducer
testing compiled C program (duration=1m40s, {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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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_usb_control_io$cdc_ncm-syz_open_dev$I2C-preadv
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x24, &(0x7f00000009c0)={{0x12, 0x1, 0x0, 0x3a, 0x98, 0x2a, 0x8, 0xccd, 0x10a3, 0x23a2, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x12, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0x0, 0x0, 0x0, 0x57, 0x33, 0x19}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000440)={0x44, &(0x7f00000001c0)={0x20, 0x0, 0x6, "1382d74523a2"}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0})
r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402)
preadv(r1, &(0x7f0000000140)=[{&(0x7f0000001300)=""/4100, 0x1004}], 0x1, 0x8c0, 0x2bd6)

program crashed: UBSAN: array-index-out-of-bounds in az6007_i2c_xfer
validation run: crashed=true
reproducing took 39m28.701060382s
repro crashed as (corrupted=false):
usb read operation failed. (-71)
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/media/usb/dvb-usb-v2/az6007.c:821:22
index 4096 is out of range for type 'unsigned char[4096]'
CPU: 1 UID: 0 PID: 6071 Comm: syz.0.37 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233
 __ubsan_handle_out_of_bounds+0xe9/0xf0 lib/ubsan.c:455
 az6007_i2c_xfer+0x48a/0xb90 drivers/media/usb/dvb-usb-v2/az6007.c:821
 __i2c_transfer+0x79a/0x1f00 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x1cc/0x2d0 drivers/i2c/i2c-core-base.c:2317
 i2c_transfer_buffer_flags+0x105/0x190 drivers/i2c/i2c-core-base.c:2345
 i2c_master_recv include/linux/i2c.h:79 [inline]
 i2cdev_read+0x10d/0x250 drivers/i2c/i2c-dev.c:155
 do_loop_readv_writev fs/read_write.c:847 [inline]
 vfs_readv+0x5aa/0x850 fs/read_write.c:1020
 do_preadv fs/read_write.c:1132 [inline]
 __do_sys_preadv fs/read_write.c:1179 [inline]
 __se_sys_preadv fs/read_write.c:1174 [inline]
 __x64_sys_preadv+0x197/0x2a0 fs/read_write.c:1174
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f132f78f749
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:00007ffc9ac7e468 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007f132f9e5fa0 RCX: 00007f132f78f749
RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f132f813f91 R08: 0000000000002bd6 R09: 0000000000000000
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f132f9e5fa0 R14: 00007f132f9e5fa0 R15: 0000000000000005
 </TASK>
---[ end trace ]---

final repro crashed as (corrupted=false):
usb read operation failed. (-71)
------------[ cut here ]------------
UBSAN: array-index-out-of-bounds in drivers/media/usb/dvb-usb-v2/az6007.c:821:22
index 4096 is out of range for type 'unsigned char[4096]'
CPU: 1 UID: 0 PID: 6071 Comm: syz.0.37 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
Call Trace:
 <TASK>
 dump_stack_lvl+0xe8/0x150 lib/dump_stack.c:120
 ubsan_epilogue+0xa/0x40 lib/ubsan.c:233
 __ubsan_handle_out_of_bounds+0xe9/0xf0 lib/ubsan.c:455
 az6007_i2c_xfer+0x48a/0xb90 drivers/media/usb/dvb-usb-v2/az6007.c:821
 __i2c_transfer+0x79a/0x1f00 drivers/i2c/i2c-core-base.c:-1
 i2c_transfer+0x1cc/0x2d0 drivers/i2c/i2c-core-base.c:2317
 i2c_transfer_buffer_flags+0x105/0x190 drivers/i2c/i2c-core-base.c:2345
 i2c_master_recv include/linux/i2c.h:79 [inline]
 i2cdev_read+0x10d/0x250 drivers/i2c/i2c-dev.c:155
 do_loop_readv_writev fs/read_write.c:847 [inline]
 vfs_readv+0x5aa/0x850 fs/read_write.c:1020
 do_preadv fs/read_write.c:1132 [inline]
 __do_sys_preadv fs/read_write.c:1179 [inline]
 __se_sys_preadv fs/read_write.c:1174 [inline]
 __x64_sys_preadv+0x197/0x2a0 fs/read_write.c:1174
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xec/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f132f78f749
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:00007ffc9ac7e468 EFLAGS: 00000246 ORIG_RAX: 0000000000000127
RAX: ffffffffffffffda RBX: 00007f132f9e5fa0 RCX: 00007f132f78f749
RDX: 0000000000000001 RSI: 0000200000000140 RDI: 0000000000000004
RBP: 00007f132f813f91 R08: 0000000000002bd6 R09: 0000000000000000
R10: 00000000000008c0 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f132f9e5fa0 R14: 00007f132f9e5fa0 R15: 0000000000000005
 </TASK>
---[ end trace ]---