Extracting prog: 5m2.052598506s Minimizing prog: 1h34m21.703529973s Simplifying prog options: 13m59.051613457s Extracting C: 6m10.535750698s 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:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash 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:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING in drm_mode_config_validate single: successfully extracted reproducer found reproducer with 3 syscalls minimizing guilty program testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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 detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: syz_usb_control_io(0xffffffffffffffff, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(0xffffffffffffffff, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, 0x0, 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, 0x0) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) VM was preempted during syz execution: failed to run command in VM: instance is preempted, retrying program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, 0x0) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm program crashed: no output from test machine a never seen crash title: no output from test machine, ignore simplifying guilty program options testing program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program did not crash testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING in drm_mode_config_validate extracting C reproducer testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$cdc_ncm program crashed: no output from test machine a never seen crash title: no output from test machine, ignore testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING in drm_mode_config_validate validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING in drm_mode_config_validate validation run: crashed=true testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false 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-syz_usb_control_io$cdc_ncm detailed listing: executing program 0: r0 = syz_usb_connect(0x0, 0x2b, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040501d4d610000000000010902190001010080fa0904000001ff00000007050202"], 0x0) syz_usb_control_io(r0, 0x0, &(0x7f0000000100)={0x84, &(0x7f0000000200)=ANY=[@ANYBLOB="40011e0000004d61501d0100000000000000000050000000500000005000000050"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) (async, rerun: 64) syz_usb_control_io$cdc_ncm(r0, 0x0, &(0x7f0000000540)={0x44, &(0x7f0000000440)=ANY=[@ANYBLOB="c02896000000a7af4a5e22528a99810640d4eac08166b492d0e6e487676811804e7fe1"], 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0}) program crashed: WARNING in drm_mode_config_validate validation run: crashed=true reproducing took 2h6m1.999048536s repro crashed as (corrupted=false): usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 0 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 ------------[ cut here ]------------ [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup WARNING: drivers/gpu/drm/drm_mode_config.c:872 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#0: kworker/0:3/3503 WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0 drivers/gpu/drm/drm_mode_config.c:938, CPU#0: kworker/0:3/3503 Modules linked in: CPU: 0 UID: 0 PID: 3503 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 drivers/gpu/drm/drm_mode_config.c:938 Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d fc 06 ce 07 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 31 3d 68 fe 48 8d RSP: 0018:ffffc900025fedd0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881026d8720 RSI: 0000000000000023 RDI: ffffffff8b1a99a0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10237da1ca R13: ffffed10237da1cb R14: 0000000000000001 R15: ffff88811bed0d60 FS: 0000000000000000(0000) GS:ffff8882683eb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3311f1f0f5 CR3: 000000011c0f8000 CR4: 00000000003506f0 Call Trace: drm_dev_register+0x56e/0x7b0 drivers/gpu/drm/drm_drv.c:1077 gud_probe+0x17f4/0x1c20 drivers/gpu/drm/gud/gud_drv.c:646 usb_probe_interface+0x386/0x9b0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3776 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3776 usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2708 usb_new_device drivers/usb/core/hub.c:5833 [inline] hub_port_connect drivers/usb/core/hub.c:5580 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event.cold+0x51a/0xe9d drivers/usb/core/hub.c:5966 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3551 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 00 49 8b add %cl,-0x75(%rcx) 3: 57 push %rdi 4: 18 48 89 sbb %cl,-0x77(%rax) 7: f8 clc 8: 48 c1 e8 03 shr $0x3,%rax c: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax 10: 84 c0 test %al,%al 12: 74 08 je 0x1c 14: 3c 03 cmp $0x3,%al 16: 0f 8e 00 0b 00 00 jle 0xb1c 1c: 48 8d 3d fc 06 ce 07 lea 0x7ce06fc(%rip),%rdi # 0x7ce071f 23: 41 8b b7 c8 00 00 00 mov 0xc8(%r15),%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 fa fd ff ff jmp 0xfffffe2e 34: 48 8b 5c 24 20 mov 0x20(%rsp),%rbx 39: e8 31 3d 68 fe call 0xfe683d6f 3e: 48 rex.W 3f: 8d .byte 0x8d final repro crashed as (corrupted=false): usb 4-1: config 1 interface 0 altsetting 0 endpoint 0x2 has invalid wMaxPacketSize 0 usb 4-1: config 1 interface 0 altsetting 0 bulk endpoint 0x2 has invalid maxpacket 0 usb 4-1: New USB device strings: Mfr=0, Product=0, SerialNumber=0 ------------[ cut here ]------------ [PLANE:35:plane-0] pixel format with alpha exposed but blend mode not setup WARNING: drivers/gpu/drm/drm_mode_config.c:872 at validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline], CPU#0: kworker/0:3/3503 WARNING: drivers/gpu/drm/drm_mode_config.c:872 at drm_mode_config_validate+0xfb4/0x1be0 drivers/gpu/drm/drm_mode_config.c:938, CPU#0: kworker/0:3/3503 Modules linked in: CPU: 0 UID: 0 PID: 3503 Comm: kworker/0:3 Not tainted syzkaller #0 PREEMPT(lazy) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 Workqueue: usb_hub_wq hub_event RIP: 0010:validate_blend_mode_for_alpha_formats drivers/gpu/drm/drm_mode_config.c:872 [inline] RIP: 0010:drm_mode_config_validate+0xfbb/0x1be0 drivers/gpu/drm/drm_mode_config.c:938 Code: 00 49 8b 57 18 48 89 f8 48 c1 e8 03 0f b6 04 28 84 c0 74 08 3c 03 0f 8e 00 0b 00 00 48 8d 3d fc 06 ce 07 41 8b b7 c8 00 00 00 <67> 48 0f b9 3a e9 fa fd ff ff 48 8b 5c 24 20 e8 31 3d 68 fe 48 8d RSP: 0018:ffffc900025fedd0 EFLAGS: 00010246 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: ffff8881026d8720 RSI: 0000000000000023 RDI: ffffffff8b1a99a0 RBP: dffffc0000000000 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: ffffed10237da1ca R13: ffffed10237da1cb R14: 0000000000000001 R15: ffff88811bed0d60 FS: 0000000000000000(0000) GS:ffff8882683eb000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3311f1f0f5 CR3: 000000011c0f8000 CR4: 00000000003506f0 Call Trace: drm_dev_register+0x56e/0x7b0 drivers/gpu/drm/drm_drv.c:1077 gud_probe+0x17f4/0x1c20 drivers/gpu/drm/gud/gud_drv.c:646 usb_probe_interface+0x386/0x9b0 drivers/usb/core/driver.c:399 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3776 usb_set_configuration+0xd97/0x1c60 drivers/usb/core/message.c:2268 usb_generic_driver_probe+0xa1/0xe0 drivers/usb/core/generic.c:250 usb_probe_device+0xef/0x400 drivers/usb/core/driver.c:293 call_driver_probe drivers/base/dd.c:628 [inline] really_probe+0x241/0xa60 drivers/base/dd.c:706 __driver_probe_device+0x210/0x460 drivers/base/dd.c:868 driver_probe_device+0x4a/0x140 drivers/base/dd.c:898 __device_attach_driver+0x1df/0x320 drivers/base/dd.c:1026 bus_for_each_drv+0x159/0x1e0 drivers/base/bus.c:500 __device_attach+0x1e4/0x4d0 drivers/base/dd.c:1098 device_initial_probe+0xaf/0xd0 drivers/base/dd.c:1153 bus_probe_device+0x64/0x160 drivers/base/bus.c:620 device_add+0x121d/0x1970 drivers/base/core.c:3776 usb_new_device.part.0+0xcc2/0x1686 drivers/usb/core/hub.c:2708 usb_new_device drivers/usb/core/hub.c:5833 [inline] hub_port_connect drivers/usb/core/hub.c:5580 [inline] hub_port_connect_change drivers/usb/core/hub.c:5720 [inline] port_event drivers/usb/core/hub.c:5884 [inline] hub_event.cold+0x51a/0xe9d drivers/usb/core/hub.c:5966 process_one_work+0xac7/0x1b10 kernel/workqueue.c:3387 process_scheduled_works kernel/workqueue.c:3470 [inline] worker_thread+0x5ef/0xe50 kernel/workqueue.c:3551 kthread+0x373/0x450 kernel/kthread.c:436 ret_from_fork+0x69f/0xc90 arch/x86/kernel/process.c:158 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245 ---------------- Code disassembly (best guess): 0: 00 49 8b add %cl,-0x75(%rcx) 3: 57 push %rdi 4: 18 48 89 sbb %cl,-0x77(%rax) 7: f8 clc 8: 48 c1 e8 03 shr $0x3,%rax c: 0f b6 04 28 movzbl (%rax,%rbp,1),%eax 10: 84 c0 test %al,%al 12: 74 08 je 0x1c 14: 3c 03 cmp $0x3,%al 16: 0f 8e 00 0b 00 00 jle 0xb1c 1c: 48 8d 3d fc 06 ce 07 lea 0x7ce06fc(%rip),%rdi # 0x7ce071f 23: 41 8b b7 c8 00 00 00 mov 0xc8(%r15),%esi * 2a: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2f: e9 fa fd ff ff jmp 0xfffffe2e 34: 48 8b 5c 24 20 mov 0x20(%rsp),%rbx 39: e8 31 3d 68 fe call 0xfe683d6f 3e: 48 rex.W 3f: 8d .byte 0x8d