Extracting prog: 2m20.348762559s
Minimizing prog: 1h7m4.791893416s
Simplifying prog options: 12m54.688824339s
Extracting C: 33.119786559s
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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
single: successfully extracted reproducer
found reproducer with 4 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}}): mkdirat-mount-syz_usb_connect
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 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}}): mkdirat-mount-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', 0x0, 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, 0x0, &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 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}}): mkdirat-mount-syz_usb_connect-openat
program did not crash
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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/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}}): mkdirat-mount-syz_usb_connect-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000100)='./dev\x00', 0x1ff)
mount(0x0, &(0x7f0000000300)='./dev\x00', &(0x7f0000000400)='devtmpfs\x00', 0x0, 0x0)
syz_usb_connect(0x2, 0x4e, &(0x7f0000000500)=ANY=[@ANYBLOB="12010002ff000040cd06310100010102030109023c00010100a0320904"], &(0x7f0000000040)={0x0, 0x0, 0x0, 0x0})
openat(0xffffffffffffff9c, &(0x7f0000000700)='./dev/ttyUSB0\x00', 0x2, 0x0)

program crashed: BUG: corrupted list in usb_hcd_link_urb_to_ep
validation run: crashed=true
reproducing took 2h7m33.89990082s
repro crashed as (corrupted=false):
list_add double add: new=ffff8880224bf518, prev=ffff8880224bf518, next=ffff888035d07078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 6712 Comm: syz.0.347 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 1c 60 8c e8 9a e7 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 1e 60 8c e8 82 e7 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 1f 60 8c e8 70 e7 eb ff 90 0f 0b 48 89
RSP: 0018:ffffc900036bf4a0 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff888035d07078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e8c199 RDI: fffff520006d7e85
RBP: ffff8880224bf518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000000 R12: ffff888035d07080
R13: ffff8880224bf518 R14: 0000000000000000 R15: ffff8880224bf518
FS:  00007f9c7fe9c6c0(0000) GS:ffff8880d5bdc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6715987700 CR3: 000000002a5e6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:96 [inline]
 __list_add include/linux/list.h:158 [inline]
 list_add_tail include/linux/list.h:191 [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:1310
 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
 keyspan_send_setup+0x179/0x1c0 drivers/usb/serial/keyspan.c:2763
 keyspan_open+0x43b/0x5c0 drivers/usb/serial/keyspan.c:1564
 serial_port_activate+0x181/0x290 drivers/usb/serial/usb-serial.c:268
 tty_port_open+0x156/0x1f0 drivers/tty/tty_port.c:769
 tty_open+0x3dd/0xfa0 drivers/tty/tty_io.c:2137
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:996
 vfs_open+0x82/0x3f0 fs/open.c:1101
 do_open fs/namei.c:4837 [inline]
 path_openat+0x19fa/0x2440 fs/namei.c:5000
 do_file_open+0x20e/0x430 fs/namei.c:5029
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1434
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c7ef9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9c7fe9c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9c7f225fa0 RCX: 00007f9c7ef9e0d9
RDX: 0000000000000002 RSI: 0000200000000700 RDI: ffffffffffffff9c
RBP: 00007f9c7f035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c7f226038 R14: 00007f9c7f225fa0 R15: 00007fff881d8998
 </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 1c 60 8c e8 9a e7 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 1e 60 8c e8 82 e7 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 1f 60 8c e8 70 e7 eb ff 90 0f 0b 48 89
RSP: 0018:ffffc900036bf4a0 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff888035d07078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e8c199 RDI: fffff520006d7e85
RBP: ffff8880224bf518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000000 R12: ffff888035d07080
R13: ffff8880224bf518 R14: 0000000000000000 R15: ffff8880224bf518
FS:  00007f9c7fe9c6c0(0000) GS:ffff8880d5bdc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6715987700 CR3: 000000002a5e6000 CR4: 0000000000352ef0

final repro crashed as (corrupted=false):
list_add double add: new=ffff8880224bf518, prev=ffff8880224bf518, next=ffff888035d07078.
------------[ cut here ]------------
kernel BUG at lib/list_debug.c:35!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 6712 Comm: syz.0.347 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 1c 60 8c e8 9a e7 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 1e 60 8c e8 82 e7 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 1f 60 8c e8 70 e7 eb ff 90 0f 0b 48 89
RSP: 0018:ffffc900036bf4a0 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff888035d07078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e8c199 RDI: fffff520006d7e85
RBP: ffff8880224bf518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000000 R12: ffff888035d07080
R13: ffff8880224bf518 R14: 0000000000000000 R15: ffff8880224bf518
FS:  00007f9c7fe9c6c0(0000) GS:ffff8880d5bdc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6715987700 CR3: 000000002a5e6000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 __list_add_valid include/linux/list.h:96 [inline]
 __list_add include/linux/list.h:158 [inline]
 list_add_tail include/linux/list.h:191 [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:1310
 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
 keyspan_send_setup+0x179/0x1c0 drivers/usb/serial/keyspan.c:2763
 keyspan_open+0x43b/0x5c0 drivers/usb/serial/keyspan.c:1564
 serial_port_activate+0x181/0x290 drivers/usb/serial/usb-serial.c:268
 tty_port_open+0x156/0x1f0 drivers/tty/tty_port.c:769
 tty_open+0x3dd/0xfa0 drivers/tty/tty_io.c:2137
 chrdev_open+0x234/0x6a0 fs/char_dev.c:411
 do_dentry_open+0x6ab/0x14d0 fs/open.c:996
 vfs_open+0x82/0x3f0 fs/open.c:1101
 do_open fs/namei.c:4837 [inline]
 path_openat+0x19fa/0x2440 fs/namei.c:5000
 do_file_open+0x20e/0x430 fs/namei.c:5029
 do_sys_openat2+0x10f/0x1e0 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1434
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9c7ef9e0d9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f9c7fe9c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f9c7f225fa0 RCX: 00007f9c7ef9e0d9
RDX: 0000000000000002 RSI: 0000200000000700 RDI: ffffffffffffff9c
RBP: 00007f9c7f035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f9c7f226038 R14: 00007f9c7f225fa0 R15: 00007fff881d8998
 </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 1c 60 8c e8 9a e7 eb ff 90 0f 0b 48 89 d9 4c 89 ea 48 89 ee 48 c7 c7 40 1e 60 8c e8 82 e7 eb ff 90 <0f> 0b 48 89 de 48 c7 c7 00 1f 60 8c e8 70 e7 eb ff 90 0f 0b 48 89
RSP: 0018:ffffc900036bf4a0 EFLAGS: 00010086
RAX: 0000000000000058 RBX: ffff888035d07078 RCX: 0000000000000000
RDX: 0000000000000058 RSI: ffffffff81e8c199 RDI: fffff520006d7e85
RBP: ffff8880224bf518 R08: 0000000000000005 R09: 0000000000000000
R10: 0000000080000002 R11: 0000000000000000 R12: ffff888035d07080
R13: ffff8880224bf518 R14: 0000000000000000 R15: ffff8880224bf518
FS:  00007f9c7fe9c6c0(0000) GS:ffff8880d5bdc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f6715987700 CR3: 000000002a5e6000 CR4: 0000000000352ef0