Extracting prog: 4m54.605275371s
Minimizing prog: 50m38.31444241s
Simplifying prog options: 0s
Extracting C: 34.680939108s
Simplifying C: 11m15.620648009s


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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program crashed: WARNING in as102_stream_ctrl
single: successfully extracted reproducer
found reproducer with 6 syscalls
minimizing guilty program
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$sierra_net-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$uac2-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program crashed: WARNING in as102_stream_ctrl
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
syz_usb_control_io(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$sierra_net(0xffffffffffffffff, 0x0, 0x0)
syz_usb_control_io$uac2(0xffffffffffffffff, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, 0x0, 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
testing program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(0x0, 0x1, 0x802)

program did not crash
extracting C reproducer
testing compiled C program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
simplifying C reproducer
testing compiled C program (duration=5m51.977807962s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
testing compiled C program (duration=5m51.977807962s, {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:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: no output from test machine
a never seen crash title: no output from test machine, ignore
testing compiled C program (duration=5m51.977807962s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
testing compiled C program (duration=5m51.977807962s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
testing compiled C program (duration=5m51.977807962s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
testing compiled C program (duration=5m51.977807962s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
testing compiled C program (duration=5m51.977807962s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
program crashed: WARNING in as102_stream_ctrl
testing program (duration=5m51.977807962s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program did not crash
validation run: crashed=false
testing program (duration=5m51.977807962s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program crashed: WARNING in as102_stream_ctrl
validation run: crashed=true
testing program (duration=5m51.977807962s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program crashed: WARNING in as102_stream_ctrl
validation run: crashed=true
testing program (duration=5m51.977807962s, {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 CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): syz_usb_connect-syz_usb_control_io-syz_usb_control_io$sierra_net-syz_usb_control_io$uac2-syz_open_dev$dvb_frontend
detailed listing:
executing program 0:
r0 = syz_usb_connect(0x0, 0x32, &(0x7f0000000000)=ANY=[@ANYBLOB="1201000200000040a61b01000100000000010902200001010080320904"], 0x0)
syz_usb_control_io(r0, 0x0, 0x0)
syz_usb_control_io$sierra_net(r0, 0x0, 0x0)
syz_usb_control_io$uac2(r0, 0x0, 0x0)
syz_open_dev$dvb_frontend(&(0x7f0000000100), 0x1, 0x802)

program crashed: WARNING in as102_stream_ctrl
validation run: crashed=true
reproducing took 1h21m39.714967935s
repro crashed as (corrupted=false):
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: kernel/locking/mutex.c:625 at __mutex_lock_common kernel/locking/mutex.c:625 [inline], CPU#1: syz.3.102/5207
WARNING: kernel/locking/mutex.c:625 at __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821, CPU#1: syz.3.102/5207
Modules linked in:
CPU: 1 UID: 0 PID: 5207 Comm: syz.3.102 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __mutex_lock_common kernel/locking/mutex.c:625 [inline]
pc : __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821
lr : __mutex_lock_common kernel/locking/mutex.c:625 [inline]
lr : __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821
sp : ffff8000966a7400
x29: ffff8000966a7550 x28: ffff8000966a74a0 x27: ffff800083b8aea8
x26: 0000000000000000 x25: 0000000000000001 x24: 0000000000000000
x23: ffff700012cd4e90 x22: ffff8000966a74c0 x21: dfff800000000000
x20: ffff8000966a74a8 x19: ffff0000d1b30010 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000001
x14: 000000000000096a x13: 0000000000000001 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000002 x9 : 60823d60f0007c00
x8 : 60823d60f0007c00 x7 : 0000000000000000 x6 : ffff8000804823d8
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f3e90
x2 : 0000000100000000 x1 : ffff0000d6e3d880 x0 : 0000000000000000
Call trace:
 __mutex_lock_common kernel/locking/mutex.c:625 [inline] (P)
 __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821 (P)
 mutex_lock_interruptible_nested+0x24/0x30 kernel/locking/mutex.c:899
 as102_stream_ctrl+0x30/0xd0 drivers/media/usb/as102/as102_drv.c:259
 as102_fe_ts_bus_ctrl+0xbc/0xf4 drivers/media/dvb-frontends/as102_fe.c:398
 __dvb_frontend_open+0xec/0xa34 drivers/media/dvb-core/dvb_frontend.c:2772
 dvb_frontend_open+0x19c/0x70c drivers/media/dvb-core/dvb_frontend.c:2884
 dvb_device_open+0x1f8/0x254 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c4/0xfbc fs/open.c:996
 vfs_open+0x44/0x2dc fs/open.c:1101
 do_open fs/namei.c:4837 [inline]
 path_openat+0x1084/0x18f0 fs/namei.c:5000
 do_file_open+0x1c8/0x2e8 fs/namei.c:5029
 do_sys_openat2+0x114/0x1e8 fs/open.c:1417
 do_sys_open+0xb0/0xe0 fs/open.c:1423
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __arm64_sys_openat+0xa8/0xc4 fs/open.c:1434
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606
irq event stamp: 901
hardirqs last  enabled at (901): [<ffff800080b88aac>] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234
hardirqs last disabled at (900): [<ffff800080b88a30>] kasan_quarantine_put+0x38/0x1c4 mm/kasan/quarantine.c:207
softirqs last  enabled at (760): [<ffff800084bb85e4>] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698
softirqs last disabled at (758): [<ffff800084bb85cc>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (758): [<ffff800084bb85cc>] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697
---[ end trace 0000000000000000 ]---

final repro crashed as (corrupted=false):
UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy
misc raw-gadget: fail, usb_gadget_register_driver returned -16
------------[ cut here ]------------
DEBUG_LOCKS_WARN_ON(lock->magic != lock)
WARNING: kernel/locking/mutex.c:625 at __mutex_lock_common kernel/locking/mutex.c:625 [inline], CPU#1: syz.3.102/5207
WARNING: kernel/locking/mutex.c:625 at __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821, CPU#1: syz.3.102/5207
Modules linked in:
CPU: 1 UID: 0 PID: 5207 Comm: syz.3.102 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/14/2026
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : __mutex_lock_common kernel/locking/mutex.c:625 [inline]
pc : __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821
lr : __mutex_lock_common kernel/locking/mutex.c:625 [inline]
lr : __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821
sp : ffff8000966a7400
x29: ffff8000966a7550 x28: ffff8000966a74a0 x27: ffff800083b8aea8
x26: 0000000000000000 x25: 0000000000000001 x24: 0000000000000000
x23: ffff700012cd4e90 x22: ffff8000966a74c0 x21: dfff800000000000
x20: ffff8000966a74a8 x19: ffff0000d1b30010 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000001
x14: 000000000000096a x13: 0000000000000001 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000002 x9 : 60823d60f0007c00
x8 : 60823d60f0007c00 x7 : 0000000000000000 x6 : ffff8000804823d8
x5 : 0000000000000000 x4 : 0000000000000000 x3 : ffff8000802f3e90
x2 : 0000000100000000 x1 : ffff0000d6e3d880 x0 : 0000000000000000
Call trace:
 __mutex_lock_common kernel/locking/mutex.c:625 [inline] (P)
 __mutex_lock+0xdf0/0x1078 kernel/locking/mutex.c:821 (P)
 mutex_lock_interruptible_nested+0x24/0x30 kernel/locking/mutex.c:899
 as102_stream_ctrl+0x30/0xd0 drivers/media/usb/as102/as102_drv.c:259
 as102_fe_ts_bus_ctrl+0xbc/0xf4 drivers/media/dvb-frontends/as102_fe.c:398
 __dvb_frontend_open+0xec/0xa34 drivers/media/dvb-core/dvb_frontend.c:2772
 dvb_frontend_open+0x19c/0x70c drivers/media/dvb-core/dvb_frontend.c:2884
 dvb_device_open+0x1f8/0x254 drivers/media/dvb-core/dvbdev.c:109
 chrdev_open+0x398/0x3e8 fs/char_dev.c:411
 do_dentry_open+0x5c4/0xfbc fs/open.c:996
 vfs_open+0x44/0x2dc fs/open.c:1101
 do_open fs/namei.c:4837 [inline]
 path_openat+0x1084/0x18f0 fs/namei.c:5000
 do_file_open+0x1c8/0x2e8 fs/namei.c:5029
 do_sys_openat2+0x114/0x1e8 fs/open.c:1417
 do_sys_open+0xb0/0xe0 fs/open.c:1423
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __arm64_sys_openat+0xa8/0xc4 fs/open.c:1434
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x244 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xec/0x23c arch/arm64/kernel/syscall.c:121
 do_el0_svc+0x4c/0x5c arch/arm64/kernel/syscall.c:140
 el0_svc+0x60/0x1d8 arch/arm64/kernel/entry-common.c:796
 el0t_64_sync_handler+0x44/0x104 arch/arm64/kernel/entry-common.c:815
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:606
irq event stamp: 901
hardirqs last  enabled at (901): [<ffff800080b88aac>] kasan_quarantine_put+0xb4/0x1c4 mm/kasan/quarantine.c:234
hardirqs last disabled at (900): [<ffff800080b88a30>] kasan_quarantine_put+0x38/0x1c4 mm/kasan/quarantine.c:207
softirqs last  enabled at (760): [<ffff800084bb85e4>] __alloc_skb+0x1c0/0x610 net/core/skbuff.c:698
softirqs last disabled at (758): [<ffff800084bb85cc>] local_bh_disable include/linux/bottom_half.h:20 [inline]
softirqs last disabled at (758): [<ffff800084bb85cc>] __alloc_skb+0x1a8/0x610 net/core/skbuff.c:697
---[ end trace 0000000000000000 ]---