Extracting prog: 1m9.086670189s Minimizing prog: 15m19.473800123s Simplifying prog options: 2m14.48331711s Extracting C: 33.563340656s Simplifying C: 0s extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): 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 single: successfully extracted reproducer found reproducer with 10 syscalls minimizing guilty program testing program (duration=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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 crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=34.509685537s, {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 crashed: lost connection to test machine ignore low priority crash: lost connection to test machine testing program (duration=34.509685537s, {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=34.509685537s, {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=34.509685537s, {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 did not crash simplifying guilty program options testing program (duration=34.509685537s, {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 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 extracting C reproducer testing compiled C program (duration=34.509685537s, {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 did not crash testing program (duration=34.509685537s, {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 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 extracting C reproducer testing compiled C program (duration=34.509685537s, {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 did not crash testing program (duration=34.509685537s, {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 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=34.509685537s, {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 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 did not crash validation run: crashed=false testing program (duration=34.509685537s, {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 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=34.509685537s, {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 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 22m20.060874233s repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/5928 is trying to acquire lock: ffff88801e4c0600 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline] ffff88801e4c0600 (&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: ffff8880218c7518 (&opts->dep_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x1a4/0x620 drivers/usb/gadget/function/f_tcm.c:1678 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&opts->dep_lock){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 usbg_make_tpg+0x1a4/0x620 drivers/usb/gadget/function/f_tcm.c:1678 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e -> #2 (tpg_instances_lock){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 usbg_make_tpg+0x10b/0x620 drivers/usb/gadget/function/f_tcm.c:1669 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e -> #1 (&subsys->su_mutex){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 __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] __ia32_sys_rmdir+0x45/0x60 fs/namei.c:5592 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e -> #0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}: check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3165 check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x136c/0x1a40 kernel/locking/lockdep.c:5237 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#24 --> tpg_instances_lock --> &opts->dep_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&opts->dep_lock); lock(tpg_instances_lock); lock(&opts->dep_lock); lock(&sb->s_type->i_mutex_key#24); *** DEADLOCK *** 5 locks held by syz.0.17/5928: #0: ffff8880227de460 (sb_writers#12){.+.+}-{0:0}, at: filename_create+0x10d/0x400 fs/namei.c:5085 #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1070 [inline] #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline] #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline] #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 fs/namei.c:5092 #2: ffffffff8fd83428 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x4b5/0xb70 fs/configfs/dir.c:1358 #3: ffffffff9024e880 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x10b/0x620 drivers/usb/gadget/function/f_tcm.c:1669 #4: ffff8880218c7518 (&opts->dep_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x1a4/0x620 drivers/usb/gadget/function/f_tcm.c:1678 stack backtrace: CPU: 0 UID: 0 PID: 5928 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: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_circular_bug.cold+0x178/0x1c7 kernel/locking/lockdep.c:2043 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2175 check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3165 check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x136c/0x1a40 kernel/locking/lockdep.c:5237 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fc6fec Code: Unable to access opcode bytes at 0xf7fc6fc2. RSP: 002b:00000000fff30f2c EFLAGS: 00000296 ORIG_RAX: 0000000000000027 RAX: ffffffffffffffda RBX: 0000000080000600 RCX: 00000000000001ff RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 final repro crashed as (corrupted=false): ====================================================== WARNING: possible circular locking dependency detected syzkaller #0 Not tainted ------------------------------------------------------ syz.0.17/5928 is trying to acquire lock: ffff88801e4c0600 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:1025 [inline] ffff88801e4c0600 (&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: ffff8880218c7518 (&opts->dep_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x1a4/0x620 drivers/usb/gadget/function/f_tcm.c:1678 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #3 (&opts->dep_lock){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 usbg_make_tpg+0x1a4/0x620 drivers/usb/gadget/function/f_tcm.c:1678 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e -> #2 (tpg_instances_lock){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 __mutex_lock_common kernel/locking/mutex.c:646 [inline] __mutex_lock+0x1a4/0x1bd0 kernel/locking/mutex.c:821 usbg_make_tpg+0x10b/0x620 drivers/usb/gadget/function/f_tcm.c:1669 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e -> #1 (&subsys->su_mutex){+.+.}-{4:4}: lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 __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] __ia32_sys_rmdir+0x45/0x60 fs/namei.c:5592 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e -> #0 (&sb->s_type->i_mutex_key#24){+.+.}-{4:4}: check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3165 check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x136c/0x1a40 kernel/locking/lockdep.c:5237 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e other info that might help us debug this: Chain exists of: &sb->s_type->i_mutex_key#24 --> tpg_instances_lock --> &opts->dep_lock Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&opts->dep_lock); lock(tpg_instances_lock); lock(&opts->dep_lock); lock(&sb->s_type->i_mutex_key#24); *** DEADLOCK *** 5 locks held by syz.0.17/5928: #0: ffff8880227de460 (sb_writers#12){.+.+}-{0:0}, at: filename_create+0x10d/0x400 fs/namei.c:5085 #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: inode_lock_nested include/linux/fs.h:1070 [inline] #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: __start_dirop fs/namei.c:2918 [inline] #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: start_dirop fs/namei.c:2942 [inline] #1: ffff888012d88140 (&sb->s_type->i_mutex_key#8/1){+.+.}-{4:4}, at: filename_create+0x1c0/0x400 fs/namei.c:5092 #2: ffffffff8fd83428 (&subsys->su_mutex){+.+.}-{4:4}, at: configfs_mkdir+0x4b5/0xb70 fs/configfs/dir.c:1358 #3: ffffffff9024e880 (tpg_instances_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x10b/0x620 drivers/usb/gadget/function/f_tcm.c:1669 #4: ffff8880218c7518 (&opts->dep_lock){+.+.}-{4:4}, at: usbg_make_tpg+0x1a4/0x620 drivers/usb/gadget/function/f_tcm.c:1678 stack backtrace: CPU: 0 UID: 0 PID: 5928 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: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120 print_circular_bug.cold+0x178/0x1c7 kernel/locking/lockdep.c:2043 check_noncircular+0x146/0x160 kernel/locking/lockdep.c:2175 check_prev_add+0xeb/0xe60 kernel/locking/lockdep.c:3165 check_prevs_add kernel/locking/lockdep.c:3284 [inline] validate_chain kernel/locking/lockdep.c:3908 [inline] __lock_acquire+0x136c/0x1a40 kernel/locking/lockdep.c:5237 lock_acquire kernel/locking/lockdep.c:5868 [inline] lock_acquire+0x1b9/0x370 kernel/locking/lockdep.c:5825 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] __ia32_sys_mkdir+0x6a/0x90 fs/namei.c:5467 do_syscall_32_irqs_on arch/x86/entry/syscall_32.c:83 [inline] __do_fast_syscall_32+0xe7/0x970 arch/x86/entry/syscall_32.c:307 do_fast_syscall_32+0x32/0x70 arch/x86/entry/syscall_32.c:332 entry_SYSENTER_compat_after_hwframe+0x84/0x8e RIP: 0023:0xf7fc6fec Code: Unable to access opcode bytes at 0xf7fc6fc2. RSP: 002b:00000000fff30f2c EFLAGS: 00000296 ORIG_RAX: 0000000000000027 RAX: ffffffffffffffda RBX: 0000000080000600 RCX: 00000000000001ff RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000