Extracting prog: 1m44.594866557s
Minimizing prog: 20m21.933177349s
Simplifying prog options: 0s
Extracting C: 24.503969309s
Simplifying C: 3m47.732970582s
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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program crashed: possible deadlock in configfs_rmdir
program crashed: possible deadlock in configfs_rmdir
single: successfully extracted reproducer
found reproducer with 11 syscalls
minimizing guilty program
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, 0x0, &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', 0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, 0x0, 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(0x0)
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(0x0, 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(0x0, 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(0x0, 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(0x0, 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program did not crash
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(0x0, 0x1ff)
program did not crash
extracting C reproducer
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
simplifying C reproducer
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing compiled C program (duration=36.992878603s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false 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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program did not crash
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing compiled C program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_rmdir
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program crashed: possible deadlock in configfs_rmdir
validation run: crashed=true
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program crashed: possible deadlock in configfs_rmdir
validation run: crashed=true
testing program (duration=36.992878603s, {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-rmdir-mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000000)='./config\x00', 0x1ed)
mount(0x0, &(0x7f0000000080)='./config\x00', &(0x7f00000000c0)='configfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000140)='./config/usb_gadget/g1/functions/uac1.usb0\x00', 0x1ed)
rmdir(&(0x7f00000001c0)='./config/usb_gadget/g1/functions/uac1.usb0\x00')
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000200)='./my_configfs/usb_gadget/g1\x00', 0x1ff)
mkdir(&(0x7f0000000300)='./my_configfs/usb_gadget/g1/functions/tcm.usb0\x00', 0x1ff)
mkdir(&(0x7f0000000400)='./my_configfs/target/usb_gadget\x00', 0x1ff)
mkdir(&(0x7f0000000500)='./my_configfs/target/usb_gadget/naa.1234567890abcdef\x00', 0x1ff)
mkdir(&(0x7f0000000600)='./my_configfs/target/usb_gadget/naa.1234567890abcdef/tpgt_1\x00', 0x1ff)
program crashed: possible deadlock in configfs_rmdir
validation run: crashed=true
reproducing took 29m19.230012565s
repro crashed as (corrupted=false):
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.18/5956 is trying to acquire lock:
ffffffff903dfc08 (gadget_subsys.su_mutex){+.+.}-{4:4}
, at: configfs_rmdir+0x5ae/0x950 fs/configfs/dir.c:1556
but task is already holding lock:
ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline]
ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir fs/namei.c:5500 [inline]
ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir+0xed/0x8a0 fs/namei.c:5488
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2
(&sb->s_type->i_mutex_key#24){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
down_write+0x8b/0x1f0 kernel/locking/rwsem.c:1631
inode_lock include/linux/fs.h:1025 [inline]
configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1259
usbg_make_tpg+0x261/0x620 drivers/usb/gadget/function/f_tcm.c:1686
target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:939
configfs_mkdir+0x51e/0xb70 fs/configfs/dir.c:1360
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdir fs/namei.c:5470 [inline]
__se_sys_mkdir fs/namei.c:5467 [inline]
__x64_sys_mkdir+0x6b/0x90 fs/namei.c:5467
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 (&opts->dep_lock){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bc0 kernel/locking/mutex.c:821
tcm_set_name+0x29/0xb0 drivers/usb/gadget/function/f_tcm.c:2669
function_make+0x21c/0x3f0 drivers/usb/gadget/configfs.c:636
configfs_mkdir+0x51e/0xb70 fs/configfs/dir.c:1360
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdir fs/namei.c:5470 [inline]
__se_sys_mkdir fs/namei.c:5467 [inline]
__x64_sys_mkdir+0x6b/0x90 fs/namei.c:5467
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 (gadget_subsys.su_mutex){+.+.}-{4:4}:
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3181
check_prevs_add kernel/locking/lockdep.c:3300 [inline]
validate_chain kernel/locking/lockdep.c:3924 [inline]
__lock_acquire+0x1492/0x1ec0 kernel/locking/lockdep.c:5253
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bc0 kernel/locking/mutex.c:821
configfs_rmdir+0x5ae/0x950 fs/configfs/dir.c:1556
vfs_rmdir fs/namei.c:5515 [inline]
vfs_rmdir+0x328/0x8a0 fs/namei.c:5488
filename_rmdir+0x31a/0x5c0 fs/namei.c:5572
__do_sys_rmdir fs/namei.c:5595 [inline]
__se_sys_rmdir fs/namei.c:5592 [inline]
__x64_sys_rmdir+0x46/0x70 fs/namei.c:5592
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:
gadget_subsys.su_mutex --> &opts->dep_lock --> &sb->s_type->i_mutex_key#24
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sb->s_type->i_mutex_key#24);
lock(&opts->dep_lock);
lock(&sb->s_type->i_mutex_key#24);
lock(gadget_subsys.su_mutex);
*** DEADLOCK ***
locks held by syz.0.18/5956: 3, last CPU#2:
#0: ffff8880242ec460 (sb_writers#13){.+.+}-{0:0}, at: filename_rmdir+0x1ff/0x5c0 fs/namei.c:5561
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1070 [inline]
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline]
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline]
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: filename_rmdir+0x258/0x5c0 fs/namei.c:5565
#2: ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline]
#2: ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir fs/namei.c:5500 [inline]
#2: ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir+0xed/0x8a0 fs/namei.c:5488
stack backtrace:
CPU: 2 UID: 0 PID: 5956 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:2059
check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2191
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3181
check_prevs_add kernel/locking/lockdep.c:3300 [inline]
validate_chain kernel/locking/lockdep.c:3924 [inline]
__lock_acquire+0x1492/0x1ec0 kernel/locking/lockdep.c:5253
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bc0 kernel/locking/mutex.c:821
configfs_rmdir+0x5ae/0x950 fs/configfs/dir.c:1556
vfs_rmdir fs/namei.c:5515 [inline]
vfs_rmdir+0x328/0x8a0 fs/namei.c:5488
filename_rmdir+0x31a/0x5c0 fs/namei.c:5572
__do_sys_rmdir fs/namei.c:5595 [inline]
__se_sys_rmdir fs/namei.c:5592 [inline]
__x64_sys_rmdir+0x46/0x70 fs/namei.c:5592
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: 0033:0x7fa7fa79e0d9
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:00007ffd3ba47418 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fa7faa25fa0 RCX: 00007fa7fa79e0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000001c0
RBP: 00007fa7fa835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa7faa25fac R14: 00007fa7faa25fa0 R15: 00007fa7faa25fa0
final repro crashed as (corrupted=false):
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.18/5956 is trying to acquire lock:
ffffffff903dfc08 (gadget_subsys.su_mutex){+.+.}-{4:4}
, at: configfs_rmdir+0x5ae/0x950 fs/configfs/dir.c:1556
but task is already holding lock:
ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline]
ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir fs/namei.c:5500 [inline]
ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir+0xed/0x8a0 fs/namei.c:5488
which lock already depends on the new lock.
the existing dependency chain (in reverse order) is:
-> #2
(&sb->s_type->i_mutex_key#24){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
down_write+0x8b/0x1f0 kernel/locking/rwsem.c:1631
inode_lock include/linux/fs.h:1025 [inline]
configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1259
usbg_make_tpg+0x261/0x620 drivers/usb/gadget/function/f_tcm.c:1686
target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:939
configfs_mkdir+0x51e/0xb70 fs/configfs/dir.c:1360
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdir fs/namei.c:5470 [inline]
__se_sys_mkdir fs/namei.c:5467 [inline]
__x64_sys_mkdir+0x6b/0x90 fs/namei.c:5467
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 (&opts->dep_lock){+.+.}-{4:4}:
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bc0 kernel/locking/mutex.c:821
tcm_set_name+0x29/0xb0 drivers/usb/gadget/function/f_tcm.c:2669
function_make+0x21c/0x3f0 drivers/usb/gadget/configfs.c:636
configfs_mkdir+0x51e/0xb70 fs/configfs/dir.c:1360
vfs_mkdir+0x364/0x850 fs/namei.c:5410
filename_mkdirat+0x48b/0x5e0 fs/namei.c:5443
__do_sys_mkdir fs/namei.c:5470 [inline]
__se_sys_mkdir fs/namei.c:5467 [inline]
__x64_sys_mkdir+0x6b/0x90 fs/namei.c:5467
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 (gadget_subsys.su_mutex){+.+.}-{4:4}:
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3181
check_prevs_add kernel/locking/lockdep.c:3300 [inline]
validate_chain kernel/locking/lockdep.c:3924 [inline]
__lock_acquire+0x1492/0x1ec0 kernel/locking/lockdep.c:5253
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bc0 kernel/locking/mutex.c:821
configfs_rmdir+0x5ae/0x950 fs/configfs/dir.c:1556
vfs_rmdir fs/namei.c:5515 [inline]
vfs_rmdir+0x328/0x8a0 fs/namei.c:5488
filename_rmdir+0x31a/0x5c0 fs/namei.c:5572
__do_sys_rmdir fs/namei.c:5595 [inline]
__se_sys_rmdir fs/namei.c:5592 [inline]
__x64_sys_rmdir+0x46/0x70 fs/namei.c:5592
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:
gadget_subsys.su_mutex --> &opts->dep_lock --> &sb->s_type->i_mutex_key#24
Possible unsafe locking scenario:
CPU0 CPU1
---- ----
lock(&sb->s_type->i_mutex_key#24);
lock(&opts->dep_lock);
lock(&sb->s_type->i_mutex_key#24);
lock(gadget_subsys.su_mutex);
*** DEADLOCK ***
locks held by syz.0.18/5956: 3, last CPU#2:
#0: ffff8880242ec460 (sb_writers#13){.+.+}-{0:0}, at: filename_rmdir+0x1ff/0x5c0 fs/namei.c:5561
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1070 [inline]
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline]
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline]
#1: ffff888036dcc3c0 (&default_group_class[depth - 1]#2/1){+.+.}-{4:4}, at: filename_rmdir+0x258/0x5c0 fs/namei.c:5565
#2: ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline]
#2: ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir fs/namei.c:5500 [inline]
#2: ffff888044d67340 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: vfs_rmdir+0xed/0x8a0 fs/namei.c:5488
stack backtrace:
CPU: 2 UID: 0 PID: 5956 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:2059
check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2191
check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3181
check_prevs_add kernel/locking/lockdep.c:3300 [inline]
validate_chain kernel/locking/lockdep.c:3924 [inline]
__lock_acquire+0x1492/0x1ec0 kernel/locking/lockdep.c:5253
lock_acquire kernel/locking/lockdep.c:5886 [inline]
lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5843
__mutex_lock_common kernel/locking/mutex.c:646 [inline]
__mutex_lock+0x1a4/0x1bc0 kernel/locking/mutex.c:821
configfs_rmdir+0x5ae/0x950 fs/configfs/dir.c:1556
vfs_rmdir fs/namei.c:5515 [inline]
vfs_rmdir+0x328/0x8a0 fs/namei.c:5488
filename_rmdir+0x31a/0x5c0 fs/namei.c:5572
__do_sys_rmdir fs/namei.c:5595 [inline]
__se_sys_rmdir fs/namei.c:5592 [inline]
__x64_sys_rmdir+0x46/0x70 fs/namei.c:5592
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: 0033:0x7fa7fa79e0d9
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:00007ffd3ba47418 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007fa7faa25fa0 RCX: 00007fa7fa79e0d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000001c0
RBP: 00007fa7fa835024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa7faa25fac R14: 00007fa7faa25fa0 R15: 00007fa7faa25fa0