Extracting prog: 3m23.94329593s
Minimizing prog: 36m21.358796381s
Simplifying prog options: 0s
Extracting C: 20.290414648s
Simplifying C: 3m11.920425343s
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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program crashed: possible deadlock in configfs_depend_item_unlocked
single: successfully extracted reproducer
found reproducer with 9 syscalls
minimizing guilty program
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(0x0, 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program did not crash
testing program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, 0x0)
program did not crash
extracting C reproducer
testing compiled C program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
simplifying C reproducer
testing compiled C program (duration=1m41.666313902s, {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-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=1m41.666313902s, {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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
program crashed: possible deadlock in configfs_depend_item_unlocked
testing program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program crashed: possible deadlock in configfs_depend_item_unlocked
validation run: crashed=true
testing program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program crashed: possible deadlock in configfs_depend_item_unlocked
validation run: crashed=true
testing program (duration=1m41.666313902s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 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}}): mkdirat-mount-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-mkdirat-symlinkat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./config\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000001100)='./config/target/usb_gadget\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001200)='./config/target/usb_gadget/naa.1234567890\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000001300)='./config/target/usb_gadget/naa.1234567890/tpgt_1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000b00)='./config/usb_gadget/g1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000d00)='./config/usb_gadget/g1/configs/c.1\x00', 0x1ff)
mkdirat(0xffffffffffffff9c, &(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0x1ff)
symlinkat(&(0x7f0000000f00)='./config/usb_gadget/g1/functions/tcm.0\x00', 0xffffffffffffff9c, &(0x7f0000001000)='./config/usb_gadget/g1/configs/c.1/tcm.0\x00')
program crashed: possible deadlock in configfs_depend_item_unlocked
validation run: crashed=true
reproducing took 45m51.27488884s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.18/5920 is trying to acquire lock:
ffff888020489900 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline]
ffff888020489900 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1268
but task is already holding lock:
ffffffff90480000 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x10b/0x610 drivers/usb/gadget/function/f_tcm.c:1669
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (tpg_instances_lock){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
tcm_alloc+0x20/0x440 drivers/usb/gadget/function/f_tcm.c:2734
usb_get_function+0x5e/0xd0 drivers/usb/gadget/functions.c:61
config_usb_cfg_link+0x1ed/0x3a0 drivers/usb/gadget/configfs.c:469
configfs_symlink+0x695/0x1340 fs/configfs/symlink.c:211
vfs_symlink fs/namei.c:5794 [inline]
vfs_symlink+0x178/0x4d0 fs/namei.c:5773
filename_symlinkat+0x2a6/0x560 fs/namei.c:5819
__do_sys_symlinkat fs/namei.c:5839 [inline]
__se_sys_symlinkat fs/namei.c:5834 [inline]
__x64_sys_symlinkat+0x9c/0xe0 fs/namei.c:5834
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&gi->lock){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
config_usb_cfg_link+0x57/0x3a0 drivers/usb/gadget/configfs.c:439
configfs_symlink+0x695/0x1340 fs/configfs/symlink.c:211
vfs_symlink fs/namei.c:5794 [inline]
vfs_symlink+0x178/0x4d0 fs/namei.c:5773
filename_symlinkat+0x2a6/0x560 fs/namei.c:5819
__do_sys_symlinkat fs/namei.c:5839 [inline]
__se_sys_symlinkat fs/namei.c:5834 [inline]
__x64_sys_symlinkat+0x9c/0xe0 fs/namei.c:5834
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}:
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
check_prevs_add kernel/locking/lockdep.c:3328 [inline]
validate_chain kernel/locking/lockdep.c:3952 [inline]
__lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
down_write+0x8b/0x1f0 kernel/locking/rwsem.c:1631
inode_lock include/linux/fs.h:1024 [inline]
configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1268
usbg_make_tpg+0x251/0x610 drivers/usb/gadget/function/f_tcm.c:1692
target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:947
configfs_mkdir+0x525/0xd40 fs/configfs/dir.c:1369
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdirat fs/namei.c:5464 [inline]
__se_sys_mkdirat fs/namei.c:5461 [inline]
__x64_sys_mkdirat+0x89/0xc0 fs/namei.c:5461
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
&sb->s_type->i_mutex_key#24 --> &gi->lock --> tpg_instances_lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(tpg_instances_lock);
lock(&gi->lock);
lock(tpg_instances_lock);
lock(&sb->s_type->i_mutex_key#24);
*** DEADLOCK ***
locks held by syz.0.18/5920: 4, last CPU#2:
#0: ffff8880238da460 (sb_writers#13){.+.+}-{0:0}, at: filename_create+0x10d/0x400 fs/namei.c:5085
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline]
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline]
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline]
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 fs/namei.c:5092
#2: ffffffff8ffb2e68 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x4c0/0xd40 fs/configfs/dir.c:1367
#3: ffffffff90480000 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x10b/0x610 drivers/usb/gadget/function/f_tcm.c:1669
stack backtrace:
CPU: 2 UID: 0 PID: 5920 Comm: syz.0.18 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
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_circular_bug.cold+0x178/0x1be kernel/locking/lockdep.c:2087
check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2219
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
check_prevs_add kernel/locking/lockdep.c:3328 [inline]
validate_chain kernel/locking/lockdep.c:3952 [inline]
__lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
down_write+0x8b/0x1f0 kernel/locking/rwsem.c:1631
inode_lock include/linux/fs.h:1024 [inline]
configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1268
usbg_make_tpg+0x251/0x610 drivers/usb/gadget/function/f_tcm.c:1692
target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:947
configfs_mkdir+0x525/0xd40 fs/configfs/dir.c:1369
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdirat fs/namei.c:5464 [inline]
__se_sys_mkdirat fs/namei.c:5461 [inline]
__x64_sys_mkdirat+0x89/0xc0 fs/namei.c:5461
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd2a39e159
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:00007ffd7911d658 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fcd2a625fa0 RCX: 00007fcd2a39e159
RDX: 00000000000001ff RSI: 0000200000001300 RDI: ffffffffffffff9c
RBP: 00007fcd2a43506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcd2a625fac R14: 00007fcd2a625fa0 R15: 00007fcd2a625fa0
final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.18/5920 is trying to acquire lock:
ffff888020489900 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline]
ffff888020489900 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1268
but task is already holding lock:
ffffffff90480000 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x10b/0x610 drivers/usb/gadget/function/f_tcm.c:1669
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2 (tpg_instances_lock){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
tcm_alloc+0x20/0x440 drivers/usb/gadget/function/f_tcm.c:2734
usb_get_function+0x5e/0xd0 drivers/usb/gadget/functions.c:61
config_usb_cfg_link+0x1ed/0x3a0 drivers/usb/gadget/configfs.c:469
configfs_symlink+0x695/0x1340 fs/configfs/symlink.c:211
vfs_symlink fs/namei.c:5794 [inline]
vfs_symlink+0x178/0x4d0 fs/namei.c:5773
filename_symlinkat+0x2a6/0x560 fs/namei.c:5819
__do_sys_symlinkat fs/namei.c:5839 [inline]
__se_sys_symlinkat fs/namei.c:5834 [inline]
__x64_sys_symlinkat+0x9c/0xe0 fs/namei.c:5834
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #1 (&gi->lock){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
config_usb_cfg_link+0x57/0x3a0 drivers/usb/gadget/configfs.c:439
configfs_symlink+0x695/0x1340 fs/configfs/symlink.c:211
vfs_symlink fs/namei.c:5794 [inline]
vfs_symlink+0x178/0x4d0 fs/namei.c:5773
filename_symlinkat+0x2a6/0x560 fs/namei.c:5819
__do_sys_symlinkat fs/namei.c:5839 [inline]
__se_sys_symlinkat fs/namei.c:5834 [inline]
__x64_sys_symlinkat+0x9c/0xe0 fs/namei.c:5834
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
-> #0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}:
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
check_prevs_add kernel/locking/lockdep.c:3328 [inline]
validate_chain kernel/locking/lockdep.c:3952 [inline]
__lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
down_write+0x8b/0x1f0 kernel/locking/rwsem.c:1631
inode_lock include/linux/fs.h:1024 [inline]
configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1268
usbg_make_tpg+0x251/0x610 drivers/usb/gadget/function/f_tcm.c:1692
target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:947
configfs_mkdir+0x525/0xd40 fs/configfs/dir.c:1369
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdirat fs/namei.c:5464 [inline]
__se_sys_mkdirat fs/namei.c:5461 [inline]
__x64_sys_mkdirat+0x89/0xc0 fs/namei.c:5461
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
other info that might help us debug this:
Chain exists of:
&sb->s_type->i_mutex_key#24 --> &gi->lock --> tpg_instances_lock
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(tpg_instances_lock);
lock(&gi->lock);
lock(tpg_instances_lock);
lock(&sb->s_type->i_mutex_key#24);
*** DEADLOCK ***
locks held by syz.0.18/5920: 4, last CPU#2:
#0: ffff8880238da460 (sb_writers#13){.+.+}-{0:0}, at: filename_create+0x10d/0x400 fs/namei.c:5085
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline]
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline]
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline]
#1: ffff88804586b580 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 fs/namei.c:5092
#2: ffffffff8ffb2e68 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x4c0/0xd40 fs/configfs/dir.c:1367
#3: ffffffff90480000 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x10b/0x610 drivers/usb/gadget/function/f_tcm.c:1669
stack backtrace:
CPU: 2 UID: 0 PID: 5920 Comm: syz.0.18 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
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
print_circular_bug.cold+0x178/0x1be kernel/locking/lockdep.c:2087
check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2219
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3209
check_prevs_add kernel/locking/lockdep.c:3328 [inline]
validate_chain kernel/locking/lockdep.c:3952 [inline]
__lock_acquire+0x1528/0x1f40 kernel/locking/lockdep.c:5288
lock_acquire kernel/locking/lockdep.c:5942 [inline]
lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5899
down_write+0x8b/0x1f0 kernel/locking/rwsem.c:1631
inode_lock include/linux/fs.h:1024 [inline]
configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1268
usbg_make_tpg+0x251/0x610 drivers/usb/gadget/function/f_tcm.c:1692
target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:947
configfs_mkdir+0x525/0xd40 fs/configfs/dir.c:1369
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdirat fs/namei.c:5464 [inline]
__se_sys_mkdirat fs/namei.c:5461 [inline]
__x64_sys_mkdirat+0x89/0xc0 fs/namei.c:5461
do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fcd2a39e159
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:00007ffd7911d658 EFLAGS: 00000246 ORIG_RAX: 0000000000000102
RAX: ffffffffffffffda RBX: 00007fcd2a625fa0 RCX: 00007fcd2a39e159
RDX: 00000000000001ff RSI: 0000200000001300 RDI: ffffffffffffff9c
RBP: 00007fcd2a43506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fcd2a625fac R14: 00007fcd2a625fa0 R15: 00007fcd2a625fa0