Extracting prog: 6m49.004001879s
Minimizing prog: 37m22.132608778s
Simplifying prog options: 0s
Extracting C: 5m4.639303349s
Simplifying C: 24m53.697176919s


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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x3d, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2b, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x7, 0x5, "961711e5f3"}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)

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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x3d, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2b, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x7, 0x5, "961711e5f3"}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)

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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x3d, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2b, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x7, 0x5, "961711e5f3"}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)

program crashed: INFO: rcu detected stall in corrupted
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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x3d, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2b, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x7, 0x5, "961711e5f3"}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x3d, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2b, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x7, 0x5, "961711e5f3"}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)

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: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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x3d, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x2b, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x7, 0x5, "961711e5f3"}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(r0, 0x0, 0x0)
syz_usb_control_io(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 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$uac1-syz_usb_control_io
detailed listing:
executing program 0:
syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$uac1(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io(0xffffffffffffffff, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(r0, 0x0, 0x0)
syz_usb_control_io(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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x38, &(0x7f0000000500)={{0x12, 0x1, 0x0, 0x34, 0xd2, 0xd, 0x40, 0x93a, 0x2627, 0xc9c0, 0x1, 0x2, 0x3, 0x1, [{{0x9, 0x2, 0x26, 0x1, 0x0, 0x0, 0x0, 0x0, [{{0x9, 0x4, 0xb7, 0x0, 0x2, 0x38, 0x6, 0x13, 0x0, [], [{{0x9, 0x5, 0x0, 0x0, 0x3ff, 0x4, 0x0, 0x10}}, {{0x9, 0x5, 0x8f, 0x10, 0x8, 0x1, 0x0, 0x73, [@generic={0x2, 0x5}]}}]}}]}}]}}, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$cdc_ecm(r0, 0x0, 0x0)
syz_usb_control_io$uac1(r0, 0x0, 0x0)
syz_usb_control_io(r0, 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
simplifying C reproducer
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
reproducing took 1h14m9.473107815s
repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2649 jiffies s: 3153 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):

report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
report is corrupted, running repro again
testing compiled C program (duration=6m0s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$cdc_ecm-syz_usb_control_io$cdc_ecm-syz_usb_control_io$uac1-syz_usb_control_io
program crashed: INFO: rcu detected stall in corrupted
final repro crashed as (corrupted=true):
rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: {
 0-.... } 2646 jiffies s: 1641 root: 0x1/.
rcu: blocking rcu_node structures (internal RCU debug):