Extracting prog: 1m29.888168904s
Minimizing prog: 13m30.28647113s
Simplifying prog options: 0s
Extracting C: 21.48239365s
Simplifying C: 3m34.943833875s


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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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_depend_item_unlocked
program crashed: possible deadlock in configfs_depend_item_unlocked
single: successfully extracted reproducer
found reproducer with 10 syscalls
minimizing guilty program
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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\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=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}}): mkdir-mount-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(0x0, 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', 0x0, 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(0x0, 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(0x0, 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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=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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
simplifying C reproducer
testing compiled C program (duration=30s, {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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=30s, {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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing compiled C program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
program crashed: possible deadlock in configfs_depend_item_unlocked
testing program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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_depend_item_unlocked
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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_depend_item_unlocked
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:false 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}}): mkdir-mount-mkdir-mkdir-rmdir-mkdir-mkdir-mkdir-mkdir-mkdir
detailed listing:
executing program 0:
mkdir(&(0x7f0000000000)='./my_configfs\x00', 0x1ff)
mount(0x0, &(0x7f0000000000)='./my_configfs\x00', &(0x7f0000000100)='configfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000700)='./my_configfs/target/core/rd_mcp_0\x00', 0x1ff)
mkdir(&(0x7f0000000800)='./my_configfs/target/core/rd_mcp_0/dev0\x00', 0x1ff)
rmdir(&(0x7f0000000280)='./my_configfs/target/core/rd_mcp_0/dev0\x00')
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_depend_item_unlocked
validation run: crashed=true
reproducing took 20m44.311569458s
repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5906 is trying to acquire lock:
ffff888020488ac0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline]
ffff888020488ac0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1259

but task is already holding lock:
ffffffff9047b920 (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:5908 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       usbg_make_tpg+0x10b/0x610 drivers/usb/gadget/function/f_tcm.c:1669
       target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:947
       configfs_mkdir+0x525/0xd40 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 (&subsys->su_mutex){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5908 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 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

-> #0 (&sb->s_type->i_mutex_key#24){+.+.}-{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:5254
       lock_acquire kernel/locking/lockdep.c:5908 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
       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:1259
       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: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

other info that might help us debug this:

Chain exists of:
  &sb->s_type->i_mutex_key#24 --> &subsys->su_mutex --> tpg_instances_lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(tpg_instances_lock);
                               lock(&subsys->su_mutex);
                               lock(tpg_instances_lock);
  lock(&sb->s_type->i_mutex_key#24);

 *** DEADLOCK ***

locks held by syz.0.17/5906: 4, last CPU#2:
 #0: ffff888023b98460 (sb_writers#13){.+.+}-{0:0}, at: filename_create+0x10d/0x400 fs/namei.c:5085
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline]
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline]
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline]
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 fs/namei.c:5092
 #2: ffffffff8ffae648 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x4c0/0xd40 fs/configfs/dir.c:1358
 #3: ffffffff9047b920 (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: 5906 Comm: syz.0.17 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:
 <TASK>
 __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:5254
 lock_acquire kernel/locking/lockdep.c:5908 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
 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:1259
 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: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
RIP: 0033:0x7f0437f9e159
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:00007ffdfc5c3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f0438225fa0 RCX: 00007f0437f9e159
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000200000000600
RBP: 00007f0438035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0438225fac R14: 00007f0438225fa0 R15: 00007f0438225fa0
 </TASK>

final repro crashed as (corrupted=false):
======================================================
WARNING: possible circular locking dependency detected
syzkaller #0 Not tainted
------------------------------------------------------
syz.0.17/5906 is trying to acquire lock:
ffff888020488ac0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1024 [inline]
ffff888020488ac0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: configfs_depend_item_unlocked+0xf3/0x6a0 fs/configfs/dir.c:1259

but task is already holding lock:
ffffffff9047b920 (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:5908 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821
       usbg_make_tpg+0x10b/0x610 drivers/usb/gadget/function/f_tcm.c:1669
       target_fabric_make_tpg+0xab/0x8c0 drivers/target/target_core_fabric_configfs.c:947
       configfs_mkdir+0x525/0xd40 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 (&subsys->su_mutex){+.+.}-{4:4}:
       lock_acquire kernel/locking/lockdep.c:5908 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
       __mutex_lock_common kernel/locking/mutex.c:646 [inline]
       __mutex_lock+0x1a4/0x1bd0 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

-> #0 (&sb->s_type->i_mutex_key#24){+.+.}-{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:5254
       lock_acquire kernel/locking/lockdep.c:5908 [inline]
       lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
       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:1259
       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: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

other info that might help us debug this:

Chain exists of:
  &sb->s_type->i_mutex_key#24 --> &subsys->su_mutex --> tpg_instances_lock

 Possible unsafe locking scenario:

       CPU0                    CPU1
       ----                    ----
  lock(tpg_instances_lock);
                               lock(&subsys->su_mutex);
                               lock(tpg_instances_lock);
  lock(&sb->s_type->i_mutex_key#24);

 *** DEADLOCK ***

locks held by syz.0.17/5906: 4, last CPU#2:
 #0: ffff888023b98460 (sb_writers#13){.+.+}-{0:0}, at: filename_create+0x10d/0x400 fs/namei.c:5085
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1069 [inline]
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline]
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline]
 #1: ffff88803f7b3a40 (&sb->s_type->i_mutex_key#7/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 fs/namei.c:5092
 #2: ffffffff8ffae648 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x4c0/0xd40 fs/configfs/dir.c:1358
 #3: ffffffff9047b920 (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: 5906 Comm: syz.0.17 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:
 <TASK>
 __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:5254
 lock_acquire kernel/locking/lockdep.c:5908 [inline]
 lock_acquire+0x1d1/0x380 kernel/locking/lockdep.c:5865
 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:1259
 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: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
RIP: 0033:0x7f0437f9e159
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:00007ffdfc5c3fd8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007f0438225fa0 RCX: 00007f0437f9e159
RDX: 0000000000000000 RSI: 00000000000001ff RDI: 0000200000000600
RBP: 00007f0438035024 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f0438225fac R14: 00007f0438225fa0 R15: 00007f0438225fa0
 </TASK>