Extracting prog: 2m42.087264757s
Minimizing prog: 18m17.050869581s
Simplifying prog options: 4m45.422923766s
Extracting C: 2m13.582148777s
Simplifying C: 0s


1 programs, timeouts [30s 1m40s 6m0s]
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 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=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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 crashed: lost connection to test machine
suppressed program crash: lost connection to test machine
testing program (duration=1m48.683923008s, {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=1m48.683923008s, {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=1m48.683923008s, {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 did not crash
simplifying guilty program options
testing program (duration=1m48.683923008s, {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
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
testing program (duration=1m48.683923008s, {Threaded:true 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
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
extracting C reproducer
testing compiled C program (duration=1m48.683923008s, {Threaded:true 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 did not crash
reproducing took 27m47.215658916s
repro crashed as (corrupted=false):
check_preemption_disabled: 35 callbacks suppressed
BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/133
caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59
CPU: 1 PID: 133 Comm: dhcpcd Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 dump_stack+0x15/0x17 lib/dump_stack.c:135
 check_preemption_disabled+0xf2/0x100 lib/smp_processor_id.c:48
 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59
 usbnet_skb_return+0x48/0x270 drivers/net/usb/usbnet.c:306
 usbnet_resume_rx+0x4d/0xd0 drivers/net/usb/usbnet.c:679
 usbnet_change_mtu+0x4ed/0x670 drivers/net/usb/usbnet.c:392
 __dev_set_mtu net/core/dev.c:8600 [inline]
 dev_set_mtu_ext+0x43c/0x670 net/core/dev.c:8653
 dev_set_mtu+0xa0/0x180 net/core/dev.c:8677
 dev_ifsioc+0x3a2/0xae0 net/core/dev_ioctl.c:237
 dev_ioctl+0x526/0xb40 net/core/dev_ioctl.c:481
 sock_do_ioctl+0x295/0x3a0 net/socket.c:1090
 sock_ioctl+0x4a6/0x760 net/socket.c:1207
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0x114/0x190 fs/ioctl.c:739
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3a94f8cd49
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:00007ffe41725c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3a94ebe6c0 RCX: 00007f3a94f8cd49
RDX: 00007ffe41735e58 RSI: 0000000000008922 RDI: 0000000000000012
RBP: 00007ffe41746018 R08: 00007ffe41735e18 R09: 00007ffe41735dc8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe41735e58 R14: 0000000000000028 R15: 0000000000008922

final repro crashed as (corrupted=false):
check_preemption_disabled: 35 callbacks suppressed
BUG: using smp_processor_id() in preemptible [00000000] code: dhcpcd/133
caller is debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59
CPU: 1 PID: 133 Comm: dhcpcd Not tainted 5.10.226-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack_lvl+0x1e2/0x24b lib/dump_stack.c:118
 dump_stack+0x15/0x17 lib/dump_stack.c:135
 check_preemption_disabled+0xf2/0x100 lib/smp_processor_id.c:48
 debug_smp_processor_id+0x17/0x20 lib/smp_processor_id.c:59
 usbnet_skb_return+0x48/0x270 drivers/net/usb/usbnet.c:306
 usbnet_resume_rx+0x4d/0xd0 drivers/net/usb/usbnet.c:679
 usbnet_change_mtu+0x4ed/0x670 drivers/net/usb/usbnet.c:392
 __dev_set_mtu net/core/dev.c:8600 [inline]
 dev_set_mtu_ext+0x43c/0x670 net/core/dev.c:8653
 dev_set_mtu+0xa0/0x180 net/core/dev.c:8677
 dev_ifsioc+0x3a2/0xae0 net/core/dev_ioctl.c:237
 dev_ioctl+0x526/0xb40 net/core/dev_ioctl.c:481
 sock_do_ioctl+0x295/0x3a0 net/socket.c:1090
 sock_ioctl+0x4a6/0x760 net/socket.c:1207
 vfs_ioctl fs/ioctl.c:48 [inline]
 __do_sys_ioctl fs/ioctl.c:753 [inline]
 __se_sys_ioctl+0x114/0x190 fs/ioctl.c:739
 __x64_sys_ioctl+0x7b/0x90 fs/ioctl.c:739
 do_syscall_64+0x34/0x70
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7f3a94f8cd49
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:00007ffe41725c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f3a94ebe6c0 RCX: 00007f3a94f8cd49
RDX: 00007ffe41735e58 RSI: 0000000000008922 RDI: 0000000000000012
RBP: 00007ffe41746018 R08: 00007ffe41735e18 R09: 00007ffe41735dc8
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffe41735e58 R14: 0000000000000028 R15: 0000000000008922