Extracting prog: 7m42.846140399s
Minimizing prog: 1h17m14.244482717s
Simplifying prog options: 0s
Extracting C: 2m14.520780748s
Simplifying C: 18m11.458443446s


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:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

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: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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

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:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program crashed: BUG: using smp_processor_id() in preemptible code in usbnet_skb_return
single: successfully extracted reproducer
found reproducer with 5 syscalls
minimizing guilty program
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(0xffffffffffffffff, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(0xffffffffffffffff, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, 0x0}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x1d, &(0x7f0000000b00)="f9898998dfba0fc35461c16a4e7ccb01b525c7399d1197b9583edae7e3")

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, 0x0)

program did not crash
testing program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
detailed listing:
executing program 0:
r0 = syz_usb_connect$cdc_ecm(0x0, 0x4d, &(0x7f0000000140)=ANY=[@ANYBLOB="12010000020000402505a1a440000000010109023b000101006000090400001a02060000052406000005240000000d240f01000000003900000000090582020002000000090503020002"], 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, &(0x7f0000000080)={0x14, 0x0, &(0x7f0000000040)={0x0, 0x3, 0x1a, {0x1a}}}, 0x0)
syz_usb_ep_write(r0, 0x82, 0x0, &(0x7f0000000b00))

program did not crash
extracting C reproducer
testing compiled C program (duration=7m30.926064643s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: BUG: using smp_processor_id() in preemptible code in usbnet_skb_return
simplifying C reproducer
testing compiled C program (duration=7m30.926064643s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: BUG: using smp_processor_id() in preemptible code in usbnet_skb_return
testing compiled C program (duration=7m30.926064643s, {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:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: BUG: using smp_processor_id() in preemptible code in usbnet_skb_return
testing compiled C program (duration=7m30.926064643s, {Threaded:false Repeat:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: BUG: using smp_processor_id() in preemptible code in usbnet_skb_return
testing compiled C program (duration=7m30.926064643s, {Threaded:false Repeat:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: BUG: using smp_processor_id() in preemptible code in usbnet_skb_return
testing compiled C program (duration=7m30.926064643s, {Threaded:false Repeat:true 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=7m30.926064643s, {Threaded:false Repeat:true 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:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_ep_write
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
reproducing took 1h45m23.069868s
repro crashed as (corrupted=false):
BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/139
caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60
CPU: 1 PID: 139 Comm: dhcpcd Not tainted 5.15.175-syzkaller-00803-g19092c8155b4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 check_preemption_disabled+0x109/0x110 lib/smp_processor_id.c:49
 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60
 usbnet_skb_return+0x6f/0x290 drivers/net/usb/usbnet.c:323
 usbnet_resume_rx+0x4d/0xd0 drivers/net/usb/usbnet.c:702
 usbnet_change_mtu+0x4ed/0x670 drivers/net/usb/usbnet.c:409
 __dev_set_mtu net/core/dev.c:8915 [inline]
 dev_set_mtu_ext+0x458/0x690 net/core/dev.c:8968
 dev_set_mtu+0xa0/0x180 net/core/dev.c:8992
 dev_ifsioc+0x4ad/0x10c0 net/core/dev_ioctl.c:331
 dev_ioctl+0x54d/0xe70 net/core/dev_ioctl.c:587
 sock_do_ioctl+0x34f/0x5a0 net/socket.c:1154
 sock_ioctl+0x455/0x740 net/socket.c:1257
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0x114/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc1bb35ad49
Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffc614ee748 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc1bb28c6c0 RCX: 00007fc1bb35ad49
RDX: 00007ffc614fe938 RSI: 0000000000008922 RDI: 0000000000000012
RBP: 00007ffc6150eaf8 R08: 00007ffc614fe8f8 R09: 00007ffc614fe8a8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc614fe938 R14: 0000000000000028 R15: 0000000000008922
 </TASK>

final repro crashed as (corrupted=false):
BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/139
caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60
CPU: 1 PID: 139 Comm: dhcpcd Not tainted 5.15.175-syzkaller-00803-g19092c8155b4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1c0 lib/dump_stack.c:106
 dump_stack+0x15/0x20 lib/dump_stack.c:113
 check_preemption_disabled+0x109/0x110 lib/smp_processor_id.c:49
 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:60
 usbnet_skb_return+0x6f/0x290 drivers/net/usb/usbnet.c:323
 usbnet_resume_rx+0x4d/0xd0 drivers/net/usb/usbnet.c:702
 usbnet_change_mtu+0x4ed/0x670 drivers/net/usb/usbnet.c:409
 __dev_set_mtu net/core/dev.c:8915 [inline]
 dev_set_mtu_ext+0x458/0x690 net/core/dev.c:8968
 dev_set_mtu+0xa0/0x180 net/core/dev.c:8992
 dev_ifsioc+0x4ad/0x10c0 net/core/dev_ioctl.c:331
 dev_ioctl+0x54d/0xe70 net/core/dev_ioctl.c:587
 sock_do_ioctl+0x34f/0x5a0 net/socket.c:1154
 sock_ioctl+0x455/0x740 net/socket.c:1257
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:874 [inline]
 __se_sys_ioctl+0x114/0x190 fs/ioctl.c:860
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:860
 x64_sys_call+0x98/0x9a0 arch/x86/include/generated/asm/syscalls_64.h:17
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7fc1bb35ad49
Code: 5c c3 48 8d 44 24 08 48 89 54 24 e0 48 89 44 24 c0 48 8d 44 24 d0 48 89 44 24 c8 b8 10 00 00 00 c7 44 24 b8 10 00 00 00 0f 05 <41> 89 c0 3d 00 f0 ff ff 76 10 48 8b 15 ae 60 0d 00 f7 d8 41 83 c8
RSP: 002b:00007ffc614ee748 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007fc1bb28c6c0 RCX: 00007fc1bb35ad49
RDX: 00007ffc614fe938 RSI: 0000000000008922 RDI: 0000000000000012
RBP: 00007ffc6150eaf8 R08: 00007ffc614fe8f8 R09: 00007ffc614fe8a8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc614fe938 R14: 0000000000000028 R15: 0000000000008922
 </TASK>