Extracting prog: 6m11.130330378s
Minimizing prog: 1h16m38.661589545s
Simplifying prog options: 12m10.632891591s
Extracting C: 5m7.380875918s
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:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat-mprotect-openat$binderfs
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x2, 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:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat-mprotect-openat$binderfs
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
openat$binderfs(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
single: successfully extracted reproducer
found reproducer with 8 syscalls
minimizing guilty program
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat-mprotect
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, 0x0, 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', 0x0, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
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:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 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: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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
validation run: crashed=true
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program did not crash
validation run: crashed=false
testing program (duration=6m0s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 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}}): openat$fuse-socket$nl_generic-syz_usb_connect-mkdir-mount-openat
detailed listing:
executing program 0:
openat$fuse(0xffffffffffffff9c, 0x0, 0x42, 0x0)
socket$nl_generic(0x10, 0x3, 0x10)
syz_usb_connect(0x2, 0x2d, &(0x7f0000000000)=ANY=[@ANYBLOB="12010000bec9ff10cd0631016016af02030109021b0001000000000904"], 0x0)
mkdir(&(0x7f0000000100)='mnt\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='mnt\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000400)='mnt/ttyUSB0\x00', 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
validation run: crashed=true
reproducing took 2h18m43.778838743s
repro crashed as (corrupted=false):
list_add double add: new=ffff888026cf9418, prev=ffff888026cf9418, next=ffff88801bf83078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6397 Comm: syz.3.159 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: eb ff 90 0f 0b 48 c7 c7 00 41 62 8c e8 5a cc eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 43 62 8c e8 42 cc eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 44 62 8c e8 30 cc eb ff 90 0f 0b 48 89
RSP: 0000:ffffc900005a0888 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff88801bf83078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e9b0c9 RDI: fffff520000b4102
RBP: ffff888026cf9418 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000103 R11: 0000000000000001 R12: ffff88801bf83080
R13: ffff888026cf9418 R14: 0000000000000000 R15: ffff888026cf9418
FS:  0000000000000000(0000) GS:ffff888096a52000(0063) knlGS:00000000578f2480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002f424220 CR3: 000000004ea5b000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 __list_add_valid include/linux/list.h:104 [inline]
 __list_add include/linux/list.h:169 [inline]
 list_add_tail include/linux/list.h:206 [inline]
 usb_hcd_link_urb_to_ep+0x220/0x3a0 drivers/usb/core/hcd.c:1154
 dummy_urb_enqueue+0x2b5/0x880 drivers/usb/gadget/udc/dummy_hcd.c:1314
 usb_hcd_submit_urb+0x268/0x2150 drivers/usb/core/hcd.c:1542
 usb_submit_urb+0x827/0x19b0 drivers/usb/core/urb.c:586
 keyspan_usa49_send_setup.isra.0+0x72c/0xf10 drivers/usb/serial/keyspan.c:2466
 usa49_glocont_callback+0x18d/0x260 drivers/usb/serial/keyspan.c:1047
 __usb_hcd_giveback_urb+0x38e/0x610 drivers/usb/core/hcd.c:1657
 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
 dummy_timer+0xdaf/0x3820 drivers/usb/gadget/udc/dummy_hcd.c:2023
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:221
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f6 16 13 f6 48 89 df e8 7e 6d 13 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 c5 50 02 f6 65 48 83 3d b4 03 b9 08 00 74 16 5b
RSP: 0000:ffffc90006e5fba8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880234f0000 RCX: 0000000000000040
RDX: 0000000000000001 RSI: ffffffff8e392b34 RDI: ffffffff8c624080
RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000293
R13: ffff8880234f0000 R14: 0000000000000000 R15: ffff8880234f0c00
 spin_unlock_irqrestore include/linux/spinlock.h:425 [inline]
 dummy_pullup+0xfe/0x170 drivers/usb/gadget/udc/dummy_hcd.c:938
 usb_gadget_disconnect_locked+0x142/0x4e0 drivers/usb/gadget/udc/core.c:785
 gadget_unbind_driver+0xd8/0x4f0 drivers/usb/gadget/udc/core.c:1718
 device_remove+0xcb/0x180 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372
 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1435
 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:832
 driver_unregister+0x76/0xb0 drivers/base/driver.c:202
 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1784
 raw_release+0x19b/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
 __fput+0x3ff/0xb50 fs/file_table.c:512
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 __do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf6fdefec
Code: Unable to access opcode bytes at 0xf6fdefc2.
RSP: 002b:00000000ff9958ec EFLAGS: 00000202 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: eb ff 90 0f 0b 48 c7 c7 00 41 62 8c e8 5a cc eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 43 62 8c e8 42 cc eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 44 62 8c e8 30 cc eb ff 90 0f 0b 48 89
RSP: 0000:ffffc900005a0888 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff88801bf83078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e9b0c9 RDI: fffff520000b4102
RBP: ffff888026cf9418 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000103 R11: 0000000000000001 R12: ffff88801bf83080
R13: ffff888026cf9418 R14: 0000000000000000 R15: ffff888026cf9418
FS:  0000000000000000(0000) GS:ffff888096a52000(0063) knlGS:00000000578f2480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f6fdf000 CR3: 000000004ea5b000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 f6 16 13 f6       	call   0xf6131709
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 7e 6d 13 f6       	call   0xf6136d99
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 23                	jne    0x46
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 37                	jne    0x61
* 2a:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2f:	e8 c5 50 02 f6       	call   0xf60250f9
  34:	65 48 83 3d b4 03 b9 	cmpq   $0x0,%gs:0x8b903b4(%rip)        # 0x8b903f1
  3b:	08 00
  3d:	74 16                	je     0x55
  3f:	5b                   	pop    %rbx

final repro crashed as (corrupted=false):
list_add double add: new=ffff888026cf9418, prev=ffff888026cf9418, next=ffff88801bf83078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 6397 Comm: syz.3.159 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: eb ff 90 0f 0b 48 c7 c7 00 41 62 8c e8 5a cc eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 43 62 8c e8 42 cc eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 44 62 8c e8 30 cc eb ff 90 0f 0b 48 89
RSP: 0000:ffffc900005a0888 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff88801bf83078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e9b0c9 RDI: fffff520000b4102
RBP: ffff888026cf9418 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000103 R11: 0000000000000001 R12: ffff88801bf83080
R13: ffff888026cf9418 R14: 0000000000000000 R15: ffff888026cf9418
FS:  0000000000000000(0000) GS:ffff888096a52000(0063) knlGS:00000000578f2480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000002f424220 CR3: 000000004ea5b000 CR4: 0000000000352ef0
Call Trace:
 <IRQ>
 __list_add_valid include/linux/list.h:104 [inline]
 __list_add include/linux/list.h:169 [inline]
 list_add_tail include/linux/list.h:206 [inline]
 usb_hcd_link_urb_to_ep+0x220/0x3a0 drivers/usb/core/hcd.c:1154
 dummy_urb_enqueue+0x2b5/0x880 drivers/usb/gadget/udc/dummy_hcd.c:1314
 usb_hcd_submit_urb+0x268/0x2150 drivers/usb/core/hcd.c:1542
 usb_submit_urb+0x827/0x19b0 drivers/usb/core/urb.c:586
 keyspan_usa49_send_setup.isra.0+0x72c/0xf10 drivers/usb/serial/keyspan.c:2466
 usa49_glocont_callback+0x18d/0x260 drivers/usb/serial/keyspan.c:1047
 __usb_hcd_giveback_urb+0x38e/0x610 drivers/usb/core/hcd.c:1657
 usb_hcd_giveback_urb+0x3ca/0x4a0 drivers/usb/core/hcd.c:1741
 dummy_timer+0xdaf/0x3820 drivers/usb/gadget/udc/dummy_hcd.c:2023
 __run_hrtimer kernel/time/hrtimer.c:2074 [inline]
 __hrtimer_run_queues+0x462/0x9c0 kernel/time/hrtimer.c:2131
 hrtimer_run_softirq+0x1ca/0x360 kernel/time/hrtimer.c:2148
 handle_softirqs+0x1e6/0x9d0 kernel/softirq.c:645
 __do_softirq kernel/softirq.c:679 [inline]
 invoke_softirq kernel/softirq.c:519 [inline]
 __irq_exit_rcu+0x16a/0x210 kernel/softirq.c:758
 irq_exit_rcu+0x9/0x30 kernel/softirq.c:775
 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1062 [inline]
 sysvec_apic_timer_interrupt+0xa3/0xc0 arch/x86/kernel/apic/apic.c:1062
 </IRQ>
 <TASK>
 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:674
RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:211 [inline]
RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:221
Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 f6 16 13 f6 48 89 df e8 7e 6d 13 f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 <bf> 01 00 00 00 e8 c5 50 02 f6 65 48 83 3d b4 03 b9 08 00 74 16 5b
RSP: 0000:ffffc90006e5fba8 EFLAGS: 00000246
RAX: 0000000000000006 RBX: ffff8880234f0000 RCX: 0000000000000040
RDX: 0000000000000001 RSI: ffffffff8e392b34 RDI: ffffffff8c624080
RBP: 0000000000000293 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000293
R13: ffff8880234f0000 R14: 0000000000000000 R15: ffff8880234f0c00
 spin_unlock_irqrestore include/linux/spinlock.h:425 [inline]
 dummy_pullup+0xfe/0x170 drivers/usb/gadget/udc/dummy_hcd.c:938
 usb_gadget_disconnect_locked+0x142/0x4e0 drivers/usb/gadget/udc/core.c:785
 gadget_unbind_driver+0xd8/0x4f0 drivers/usb/gadget/udc/core.c:1718
 device_remove+0xcb/0x180 drivers/base/dd.c:616
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x44e/0x620 drivers/base/dd.c:1372
 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1435
 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:832
 driver_unregister+0x76/0xb0 drivers/base/driver.c:202
 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1784
 raw_release+0x19b/0x260 drivers/usb/gadget/legacy/raw_gadget.c:463
 __fput+0x3ff/0xb50 fs/file_table.c:512
 task_work_run+0x150/0x240 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x1d8/0x700 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 __do_fast_syscall_32+0x59f/0x8b0 arch/x86/entry/syscall_32.c:294
 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:316
 entry_SYSENTER_compat_after_hwframe+0x84/0x8e
RIP: 0023:0xf6fdefec
Code: Unable to access opcode bytes at 0xf6fdefc2.
RSP: 002b:00000000ff9958ec EFLAGS: 00000202 ORIG_RAX: 00000000000001b4
RAX: 0000000000000000 RBX: 0000000000000003 RCX: 000000000000001e
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__list_add_valid_or_report.cold+0x34/0x36 lib/list_debug.c:35
Code: eb ff 90 0f 0b 48 c7 c7 00 41 62 8c e8 5a cc eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 43 62 8c e8 42 cc eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 44 62 8c e8 30 cc eb ff 90 0f 0b 48 89
RSP: 0000:ffffc900005a0888 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff88801bf83078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e9b0c9 RDI: fffff520000b4102
RBP: ffff888026cf9418 R08: 0000000000000007 R09: 0000000000000000
R10: 8000000000000103 R11: 0000000000000001 R12: ffff88801bf83080
R13: ffff888026cf9418 R14: 0000000000000000 R15: ffff888026cf9418
FS:  0000000000000000(0000) GS:ffff888096a52000(0063) knlGS:00000000578f2480
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 00000000f6fdf000 CR3: 000000004ea5b000 CR4: 0000000000352ef0
----------------
Code disassembly (best guess):
   0:	f5                   	cmc
   1:	53                   	push   %rbx
   2:	48 8b 74 24 10       	mov    0x10(%rsp),%rsi
   7:	48 89 fb             	mov    %rdi,%rbx
   a:	48 83 c7 18          	add    $0x18,%rdi
   e:	e8 f6 16 13 f6       	call   0xf6131709
  13:	48 89 df             	mov    %rbx,%rdi
  16:	e8 7e 6d 13 f6       	call   0xf6136d99
  1b:	f7 c5 00 02 00 00    	test   $0x200,%ebp
  21:	75 23                	jne    0x46
  23:	9c                   	pushf
  24:	58                   	pop    %rax
  25:	f6 c4 02             	test   $0x2,%ah
  28:	75 37                	jne    0x61
* 2a:	bf 01 00 00 00       	mov    $0x1,%edi <-- trapping instruction
  2f:	e8 c5 50 02 f6       	call   0xf60250f9
  34:	65 48 83 3d b4 03 b9 	cmpq   $0x0,%gs:0x8b903b4(%rip)        # 0x8b903f1
  3b:	08 00
  3d:	74 16                	je     0x55
  3f:	5b                   	pop    %rbx