Extracting prog: 6m30.520805719s
Minimizing prog: 27m59.371530318s
Simplifying prog options: 0s
Extracting C: 1m42.6409389s
Simplifying C: 26m1.080124167s


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:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-sendfile-read$FUSE-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r2, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
sendfile(r2, r2, 0x0, 0x6)
read$FUSE(r1, &(0x7f0000000b80)={0x2020}, 0x2020)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r3, &(0x7f0000000700)="010000000705810240000007", 0x12)

program did not crash
single: failed to extract reproducer
single: executing 1 programs separately with timeout 1m40s
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-sendfile-read$FUSE-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r2, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
sendfile(r2, r2, 0x0, 0x6)
read$FUSE(r1, &(0x7f0000000b80)={0x2020}, 0x2020)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r3 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r3, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
single: successfully extracted reproducer
found reproducer with 15 syscalls
minimizing guilty program
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-sendfile-read$FUSE-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r2, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
sendfile(r2, r2, 0x0, 0x6)
read$FUSE(r1, &(0x7f0000000b80)={0x2020}, 0x2020)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-sendfile-read$FUSE-write-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r2, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
sendfile(r2, r2, 0x0, 0x6)
read$FUSE(r1, &(0x7f0000000b80)={0x2020}, 0x2020)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
write(0xffffffffffffffff, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-sendfile-read$FUSE-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r1, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
sendfile(r1, r1, 0x0, 0x6)
read$FUSE(r0, &(0x7f0000000b80)={0x2020}, 0x2020)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r1, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-write$binfmt_script-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
write$binfmt_script(r1, &(0x7f0000000240)={'#! ', './my_sys', [], 0xa, "e24c8a6d2d9f53fa2425e3d2ed8ecc0bb72f3afb6f0532e4759825e04ab31b6a48acf206d51d41aa720fb417232f6799f91fa8843824393cb3d2d62bace0b134c149f0cf852b7a780d23db2c447ac882bedd308e02556a534a646b3f69f2234bb8537e53d423e0605992651829c6d555b818b769ed8f265f32941faa967425805330a018275e74d71ec22fc47e5f0e206db1c4582ebb7279"}, 0xa4)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-mount-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./my_sys\x00', &(0x7f0000000200)='sysfs\x00', 0x0, 0x0)
sendfile(0xffffffffffffffff, 0xffffffffffffffff, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r1, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r0, r0, 0x0, 0x6)
write(0xffffffffffffffff, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r1, &(0x7f0000000700)="010000000705810240000007", 0x12)

program did not crash
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
testing program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 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-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

minimization failed with failed to copy syz-execprog to VM: scp failed: failed to run ["scp" "-P" "8552" "-F" "/dev/null" "-o" "UserKnownHostsFile=/dev/null" "-o" "IdentitiesOnly=yes" "-o" "BatchMode=yes" "-o" "StrictHostKeyChecking=no" "-o" "ConnectTimeout=10" "-v" "-O" "/syzkaller/syzkaller/current/bin/linux_amd64/syz-execprog" "root@localhost:/syz-execprog"]: exit status 1
extracting C reproducer
testing compiled C program (duration=1m40s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
simplifying C reproducer
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:false NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:false Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:false IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:false Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:false Swap:true UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program did not crash
testing compiled C program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: lost connection to test machine
ignore low priority crash: lost connection to test machine
validation run: crashed=false
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
testing program (duration=1m40s, {Threaded:false Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:false NetReset:false Cgroups:true BinfmtMisc:false CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-mkdirat-mount-openat-mkdir-openat-sendfile-write-openat-write
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./sys\x00', 0x1ff)
mount(0x0, &(0x7f0000000080)='./sys\x00', &(0x7f00000000c0)='sysfs\x00', 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f00000001c0)='./sys/bus/usb/devices/usb2/power/level\x00', 0x2, 0x0)
mkdir(&(0x7f0000000400)='./my_sys\x00', 0x1ff)
r1 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./my_sys/bus/pci/devices/0000:00:01.0/config\x00', 0x2, 0x0)
sendfile(r1, r1, 0x0, 0x6)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r2, &(0x7f0000000700)="010000000705810240000007", 0x12)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
reproducing took 1h11m40.906483747s
repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:625 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x154/0x1550 kernel/locking/mutex.c:821
Read of size 8 at addr ffff888050f3ec58 by task syz.4.619/6306

CPU: 0 UID: 0 PID: 6306 Comm: syz.4.619 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_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:625 [inline]
 __mutex_lock+0x154/0x1550 kernel/locking/mutex.c:821
 ep_open+0x4e/0x270 drivers/usb/gadget/legacy/inode.c:832
 do_dentry_open+0x816/0x1380 fs/open.c:996
 vfs_open+0x3b/0x340 fs/open.c:1101
 do_open fs/namei.c:4837 [inline]
 path_openat+0x1443/0x1d60 fs/namei.c:5000
 do_file_open+0x23e/0x4a0 fs/namei.c:5029
 do_sys_openat2+0x115/0x200 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1434
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4ef1f9e199
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:00007fff53083008 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4ef2225fa0 RCX: 00007f4ef1f9e199
RDX: 0000000000000002 RSI: 0000200000000600 RDI: ffffffffffffff9c
RBP: 00007f4ef2035888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4ef2225fac R14: 00007f4ef2225fa0 R15: 00007f4ef2225fa0
 </TASK>

Allocated by task 6305:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 activate_ep_files drivers/usb/gadget/legacy/inode.c:1611 [inline]
 gadgetfs_bind+0x277/0xad0 drivers/usb/gadget/legacy/inode.c:1702
 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __driver_attach+0x339/0x600 drivers/base/dd.c:1292
 bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
 bus_add_driver+0x345/0x670 drivers/base/bus.c:763
 driver_register+0x23a/0x320 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752
 dev_config+0xe3c/0x12a0 drivers/usb/gadget/legacy/inode.c:1893
 vfs_write+0x296/0xba0 fs/read_write.c:685
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6305:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kfree+0x1c5/0x650 mm/slub.c:6802
 destroy_ep_files+0x29f/0x330 drivers/usb/gadget/legacy/inode.c:1592
 gadgetfs_unbind+0x109/0x2b0 drivers/usb/gadget/legacy/inode.c:1665
 gadget_unbind_driver+0x1cb/0x410 drivers/usb/gadget/udc/core.c:1724
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435
 bus_remove_driver+0x226/0x320 drivers/base/bus.c:832
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784
 dev_release+0x83/0x200 drivers/usb/gadget/legacy/inode.c:1207
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888050f3ec00
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 88 bytes inside of
 freed 512-byte region [ffff888050f3ec00, ffff888050f3ee00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888050f3fc00 pfn:0x50f3e
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000240 ffff88801c041c80 ffffea00013e6c10 ffffea000143e310
raw: ffff888050f3fc00 0000000000080002 00000000f5000000 0000000000000000
head: 04fff00000000240 ffff88801c041c80 ffffea00013e6c10 ffffea000143e310
head: ffff888050f3fc00 0000000000080002 00000000f5000000 0000000000000000
head: 04fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5730, tgid 5730 (syz.3.46), ts 153703880152
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7418
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __kmalloc_cache_noprof+0x39b/0x600 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 activate_ep_files drivers/usb/gadget/legacy/inode.c:1611 [inline]
 gadgetfs_bind+0x277/0xad0 drivers/usb/gadget/legacy/inode.c:1702
 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __driver_attach+0x339/0x600 drivers/base/dd.c:1292
 bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
 bus_add_driver+0x345/0x670 drivers/base/bus.c:763
 driver_register+0x23a/0x320 drivers/base/driver.c:174
page last free pid 5380 tgid 5380 ts 134554190231 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_pages_prepare+0x9eb/0xaf0 mm/page_alloc.c:1463
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:7072
 __free_contig_range mm/page_alloc.c:7117 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5322
 vm_area_free_pages mm/vmalloc.c:3461 [inline]
 vfree+0x231/0x490 mm/vmalloc.c:3510
 kcov_put kernel/kcov.c:451 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:556
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:986
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
 get_signal+0x121b/0x12c0 kernel/signal.c:3112
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888050f3eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888050f3eb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888050f3ec00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff888050f3ec80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888050f3ed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================

final repro crashed as (corrupted=false):
==================================================================
BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:625 [inline]
BUG: KASAN: slab-use-after-free in __mutex_lock+0x154/0x1550 kernel/locking/mutex.c:821
Read of size 8 at addr ffff888050f3ec58 by task syz.4.619/6306

CPU: 0 UID: 0 PID: 6306 Comm: syz.4.619 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_lvl+0xe8/0x150 lib/dump_stack.c:120
 print_address_description+0x55/0x1e0 mm/kasan/report.c:378
 print_report+0x58/0x70 mm/kasan/report.c:482
 kasan_report+0x117/0x150 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:625 [inline]
 __mutex_lock+0x154/0x1550 kernel/locking/mutex.c:821
 ep_open+0x4e/0x270 drivers/usb/gadget/legacy/inode.c:832
 do_dentry_open+0x816/0x1380 fs/open.c:996
 vfs_open+0x3b/0x340 fs/open.c:1101
 do_open fs/namei.c:4837 [inline]
 path_openat+0x1443/0x1d60 fs/namei.c:5000
 do_file_open+0x23e/0x4a0 fs/namei.c:5029
 do_sys_openat2+0x115/0x200 fs/open.c:1417
 do_sys_open fs/open.c:1423 [inline]
 __do_sys_openat fs/open.c:1439 [inline]
 __se_sys_openat fs/open.c:1434 [inline]
 __x64_sys_openat+0x138/0x170 fs/open.c:1434
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f4ef1f9e199
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:00007fff53083008 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f4ef2225fa0 RCX: 00007f4ef1f9e199
RDX: 0000000000000002 RSI: 0000200000000600 RDI: ffffffffffffff9c
RBP: 00007f4ef2035888 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f4ef2225fac R14: 00007f4ef2225fa0 R15: 00007f4ef2225fa0
 </TASK>

Allocated by task 6305:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0x93/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x321/0x600 mm/slub.c:5563
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 activate_ep_files drivers/usb/gadget/legacy/inode.c:1611 [inline]
 gadgetfs_bind+0x277/0xad0 drivers/usb/gadget/legacy/inode.c:1702
 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __driver_attach+0x339/0x600 drivers/base/dd.c:1292
 bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
 bus_add_driver+0x345/0x670 drivers/base/bus.c:763
 driver_register+0x23a/0x320 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0xf9/0x270 drivers/usb/gadget/udc/core.c:1752
 dev_config+0xe3c/0x12a0 drivers/usb/gadget/legacy/inode.c:1893
 vfs_write+0x296/0xba0 fs/read_write.c:685
 ksys_write+0x150/0x270 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6305:
 kasan_save_stack mm/kasan/common.c:57 [inline]
 kasan_save_track+0x3e/0x80 mm/kasan/common.c:78
 kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5c/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2748 [inline]
 slab_free mm/slub.c:6509 [inline]
 kfree+0x1c5/0x650 mm/slub.c:6802
 destroy_ep_files+0x29f/0x330 drivers/usb/gadget/legacy/inode.c:1592
 gadgetfs_unbind+0x109/0x2b0 drivers/usb/gadget/legacy/inode.c:1665
 gadget_unbind_driver+0x1cb/0x410 drivers/usb/gadget/udc/core.c:1724
 device_remove drivers/base/dd.c:616 [inline]
 __device_release_driver drivers/base/dd.c:1349 [inline]
 device_release_driver_internal+0x48b/0x880 drivers/base/dd.c:1372
 driver_detach+0x1f3/0x2d0 drivers/base/dd.c:1435
 bus_remove_driver+0x226/0x320 drivers/base/bus.c:832
 usb_gadget_unregister_driver+0x4e/0x70 drivers/usb/gadget/udc/core.c:1784
 dev_release+0x83/0x200 drivers/usb/gadget/legacy/inode.c:1207
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline]
 __exit_to_user_mode_loop kernel/entry/common.c:70 [inline]
 exit_to_user_mode_loop+0x204/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888050f3ec00
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 88 bytes inside of
 freed 512-byte region [ffff888050f3ec00, ffff888050f3ee00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888050f3fc00 pfn:0x50f3e
head: order:1 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0x4fff00000000240(workingset|head|node=1|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 04fff00000000240 ffff88801c041c80 ffffea00013e6c10 ffffea000143e310
raw: ffff888050f3fc00 0000000000080002 00000000f5000000 0000000000000000
head: 04fff00000000240 ffff88801c041c80 ffffea00013e6c10 ffffea000143e310
head: ffff888050f3fc00 0000000000080002 00000000f5000000 0000000000000000
head: 04fff00000000001 ffffffffffffff81 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000002
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 1, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 5730, tgid 5730 (syz.3.46), ts 153703880152
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0x1f9/0x250 mm/page_alloc.c:1871
 prep_new_page mm/page_alloc.c:1879 [inline]
 get_page_from_freelist+0x2209/0x2280 mm/page_alloc.c:3943
 __alloc_frozen_pages_noprof+0x217/0x5a0 mm/page_alloc.c:5436
 alloc_slab_page mm/slub.c:3347 [inline]
 allocate_slab+0x7d/0x620 mm/slub.c:3462
 new_slab mm/slub.c:3513 [inline]
 refill_objects+0x2d5/0x350 mm/slub.c:7418
 refill_sheaf mm/slub.c:2885 [inline]
 __pcs_replace_empty_main+0x2c8/0x6c0 mm/slub.c:4774
 alloc_from_pcs mm/slub.c:4850 [inline]
 slab_alloc_node mm/slub.c:4984 [inline]
 __kmalloc_cache_noprof+0x39b/0x600 mm/slub.c:5559
 _kmalloc_noprof include/linux/slab.h:991 [inline]
 _kzalloc_noprof include/linux/slab.h:1312 [inline]
 activate_ep_files drivers/usb/gadget/legacy/inode.c:1611 [inline]
 gadgetfs_bind+0x277/0xad0 drivers/usb/gadget/legacy/inode.c:1702
 gadget_bind_driver+0x2ca/0x9e0 drivers/usb/gadget/udc/core.c:1662
 call_driver_probe drivers/base/dd.c:-1 [inline]
 really_probe+0x254/0xae0 drivers/base/dd.c:706
 __driver_probe_device+0x1e8/0x360 drivers/base/dd.c:868
 driver_probe_device+0x4f/0x240 drivers/base/dd.c:898
 __driver_attach+0x339/0x600 drivers/base/dd.c:1292
 bus_for_each_dev+0x23b/0x2c0 drivers/base/bus.c:383
 bus_add_driver+0x345/0x670 drivers/base/bus.c:763
 driver_register+0x23a/0x320 drivers/base/driver.c:174
page last free pid 5380 tgid 5380 ts 134554190231 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1418 [inline]
 free_pages_prepare+0x9eb/0xaf0 mm/page_alloc.c:1463
 __free_contig_range_common+0x174/0x340 mm/page_alloc.c:7072
 __free_contig_range mm/page_alloc.c:7117 [inline]
 free_pages_bulk+0x48/0x120 mm/page_alloc.c:5322
 vm_area_free_pages mm/vmalloc.c:3461 [inline]
 vfree+0x231/0x490 mm/vmalloc.c:3510
 kcov_put kernel/kcov.c:451 [inline]
 kcov_close+0x28/0x50 kernel/kcov.c:556
 __fput+0x418/0xa50 fs/file_table.c:512
 task_work_run+0x1d9/0x270 kernel/task_work.c:233
 exit_task_work include/linux/task_work.h:40 [inline]
 do_exit+0x73a/0x2360 kernel/exit.c:986
 do_group_exit+0x22d/0x2f0 kernel/exit.c:1129
 get_signal+0x121b/0x12c0 kernel/signal.c:3112
 arch_do_signal_or_restart+0xbb/0x860 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:66 [inline]
 exit_to_user_mode_loop+0x10e/0x770 kernel/entry/common.c:101
 __exit_to_user_mode_prepare include/linux/irq-entry-common.h:207 [inline]
 syscall_exit_to_user_mode_prepare include/linux/irq-entry-common.h:230 [inline]
 syscall_exit_to_user_mode include/linux/entry-common.h:343 [inline]
 do_syscall_64+0x328/0x520 arch/x86/entry/syscall_64.c:89
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888050f3eb00: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888050f3eb80: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888050f3ec00: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff888050f3ec80: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888050f3ed00: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================