Extracting prog: 3m13.876640163s Minimizing prog: 1h5m54.429684046s Simplifying prog options: 8m41.157187511s Extracting C: 36.283175361s Simplifying C: 0s 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:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash single: failed to extract reproducer single: executing 1 programs separately with timeout 6m0s testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: WARNING in dtv5100_i2c_msg/usb_submit_urb single: successfully extracted reproducer found reproducer with 5 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) writev(0xffffffffffffffff, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: syz_usb_control_io$uac1(0xffffffffffffffff, 0x0, 0x0) syz_usb_control_io$printer(0xffffffffffffffff, 0x0, 0x0) r0 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r0, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, 0x0, 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(0x0, 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{0x0}], 0x1) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)}], 0x1) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev program did not crash simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: WARNING in dtv5100_i2c_msg/usb_submit_urb extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:namespace SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:namespace 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$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: lost connection to test machine suppressed program crash: lost connection to test machine testing program (duration=6m0s, {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_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: WARNING in dtv5100_i2c_msg/usb_submit_urb extracting C reproducer testing compiled C program (duration=6m0s, {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_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev program did not crash testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: WARNING in dtv5100_i2c_msg/usb_submit_urb validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: WARNING in dtv5100_i2c_msg/usb_submit_urb validation run: crashed=true testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$uac1-syz_usb_control_io$printer-syz_open_dev$I2C-writev detailed listing: executing program 0: r0 = syz_usb_connect(0x3, 0x3c, &(0x7f0000000380)=ANY=[@ANYBLOB="120101000814c910be0632a2f333010203010902120001000000000904"], 0x0) syz_usb_control_io$uac1(r0, 0x0, 0x0) syz_usb_control_io$printer(r0, 0x0, 0x0) r1 = syz_open_dev$I2C(&(0x7f0000000000), 0x1, 0x402) writev(r1, &(0x7f0000000300)=[{&(0x7f0000000040)='\x00', 0x1}], 0x1) program crashed: WARNING in dtv5100_i2c_msg/usb_submit_urb validation run: crashed=true reproducing took 1h24m4.114845715s repro crashed as (corrupted=false): ------------[ cut here ]------------ usb 4-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1057/0x18b0 drivers/usb/core/urb.c:411, CPU#0: syz.3.20/6009 Modules linked in: CPU: 0 UID: 0 PID: 6009 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:usb_submit_urb+0x1100/0x18b0 drivers/usb/core/urb.c:411 Code: b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 b2 05 00 00 45 0f b6 45 00 48 8b 3c 24 48 8b 74 24 18 4c 89 f2 44 89 f9 <67> 48 0f b9 3a 48 bd 00 00 00 00 00 fc ff df e9 ba f2 ff ff 44 89 RSP: 0000:ffffc900039af6f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88801cfaf000 RCX: 0000000080000280 RDX: ffff888033f72c00 RSI: ffffffff8ca2fd60 RDI: ffffffff9065a440 RBP: dffffc0000000000 R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc900039af7e0 R11: fffff52000735f08 R12: 1ffff11003607f30 R13: ffff88801b03f980 R14: ffff888033f72c00 R15: 0000000080000280 FS: 0000000000000000(0000) GS:ffff888124f3f000(0063) knlGS:0000000057b25480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f712d540 CR3: 0000000077f3e000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167 dtv5100_i2c_msg+0x231/0x2f0 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1a5/0x610 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x7bf/0x1fe0 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x1cb/0x2d0 drivers/i2c/i2c-core-base.c:2343 i2c_transfer_buffer_flags+0x10d/0x1a0 drivers/i2c/i2c-core-base.c:2371 i2c_master_send include/linux/i2c.h:109 [inline] i2cdev_write+0x113/0x1e0 drivers/i2c/i2c-dev.c:183 do_loop_readv_writev fs/read_write.c:851 [inline] vfs_writev+0x4bb/0x990 fs/read_write.c:1060 do_writev+0x154/0x2e0 fs/read_write.c:1104 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x27a/0x6a0 arch/x86/entry/syscall_32.c:291 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf703f0ec Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8 RSP: 002b:00000000fff5502c EFLAGS: 00000206 ORIG_RAX: 0000000000000092 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000080000300 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: b8 00 00 00 00 mov $0x0,%eax 5: 00 fc add %bh,%ah 7: ff lcall (bad) 8: df 41 0f filds 0xf(%rcx) b: b6 04 mov $0x4,%dh d: 04 84 add $0x84,%al f: c0 0f 85 rorb $0x85,(%rdi) 12: b2 05 mov $0x5,%dl 14: 00 00 add %al,(%rax) 16: 45 0f b6 45 00 movzbl 0x0(%r13),%r8d 1b: 48 8b 3c 24 mov (%rsp),%rdi 1f: 48 8b 74 24 18 mov 0x18(%rsp),%rsi 24: 4c 89 f2 mov %r14,%rdx 27: 44 89 f9 mov %r15d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 36: fc ff df 39: e9 ba f2 ff ff jmp 0xfffff2f8 3e: 44 rex.R 3f: 89 .byte 0x89 final repro crashed as (corrupted=false): ------------[ cut here ]------------ usb 4-1: BOGUS control dir, pipe 80000280 doesn't match bRequestType c0 WARNING: drivers/usb/core/urb.c:413 at usb_submit_urb+0x1057/0x18b0 drivers/usb/core/urb.c:411, CPU#0: syz.3.20/6009 Modules linked in: CPU: 0 UID: 0 PID: 6009 Comm: syz.3.20 Not tainted syzkaller #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 RIP: 0010:usb_submit_urb+0x1100/0x18b0 drivers/usb/core/urb.c:411 Code: b8 00 00 00 00 00 fc ff df 41 0f b6 04 04 84 c0 0f 85 b2 05 00 00 45 0f b6 45 00 48 8b 3c 24 48 8b 74 24 18 4c 89 f2 44 89 f9 <67> 48 0f b9 3a 48 bd 00 00 00 00 00 fc ff df e9 ba f2 ff ff 44 89 RSP: 0000:ffffc900039af6f8 EFLAGS: 00010246 RAX: 0000000000000000 RBX: ffff88801cfaf000 RCX: 0000000080000280 RDX: ffff888033f72c00 RSI: ffffffff8ca2fd60 RDI: ffffffff9065a440 RBP: dffffc0000000000 R08: 00000000000000c0 R09: 0000000000000000 R10: ffffc900039af7e0 R11: fffff52000735f08 R12: 1ffff11003607f30 R13: ffff88801b03f980 R14: ffff888033f72c00 R15: 0000000080000280 FS: 0000000000000000(0000) GS:ffff888124f3f000(0063) knlGS:0000000057b25480 CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033 CR2: 00000000f712d540 CR3: 0000000077f3e000 CR4: 00000000003526f0 Call Trace: usb_start_wait_urb+0x13f/0x5b0 drivers/usb/core/message.c:62 usb_internal_control_msg drivers/usb/core/message.c:117 [inline] usb_control_msg+0x234/0x3e0 drivers/usb/core/message.c:167 dtv5100_i2c_msg+0x231/0x2f0 drivers/media/usb/dvb-usb/dtv5100.c:65 dtv5100_i2c_xfer+0x1a5/0x610 drivers/media/usb/dvb-usb/dtv5100.c:91 __i2c_transfer+0x7bf/0x1fe0 drivers/i2c/i2c-core-base.c:-1 i2c_transfer+0x1cb/0x2d0 drivers/i2c/i2c-core-base.c:2343 i2c_transfer_buffer_flags+0x10d/0x1a0 drivers/i2c/i2c-core-base.c:2371 i2c_master_send include/linux/i2c.h:109 [inline] i2cdev_write+0x113/0x1e0 drivers/i2c/i2c-dev.c:183 do_loop_readv_writev fs/read_write.c:851 [inline] vfs_writev+0x4bb/0x990 fs/read_write.c:1060 do_writev+0x154/0x2e0 fs/read_write.c:1104 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:79 [inline] __do_fast_syscall_32+0x27a/0x6a0 arch/x86/entry/syscall_32.c:291 do_fast_syscall_32+0x33/0x70 arch/x86/entry/syscall_32.c:316 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf703f0ec Code: 90 85 d2 74 0a 89 ce 81 e6 ff 0f 00 00 89 32 85 c0 74 05 c1 e9 0c 89 08 31 c0 5e 5d c3 90 0f 1f 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 58 b8 RSP: 002b:00000000fff5502c EFLAGS: 00000206 ORIG_RAX: 0000000000000092 RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 0000000080000300 RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000206 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 ---------------- Code disassembly (best guess): 0: b8 00 00 00 00 mov $0x0,%eax 5: 00 fc add %bh,%ah 7: ff lcall (bad) 8: df 41 0f filds 0xf(%rcx) b: b6 04 mov $0x4,%dh d: 04 84 add $0x84,%al f: c0 0f 85 rorb $0x85,(%rdi) 12: b2 05 mov $0x5,%dl 14: 00 00 add %al,(%rax) 16: 45 0f b6 45 00 movzbl 0x0(%r13),%r8d 1b: 48 8b 3c 24 mov (%rsp),%rdi 1f: 48 8b 74 24 18 mov 0x18(%rsp),%rsi 24: 4c 89 f2 mov %r14,%rdx 27: 44 89 f9 mov %r15d,%ecx * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: 48 bd 00 00 00 00 00 movabs $0xdffffc0000000000,%rbp 36: fc ff df 39: e9 ba f2 ff ff jmp 0xfffff2f8 3e: 44 rex.R 3f: 89 .byte 0x89