Extracting prog: 1m6.421700932s
Minimizing prog: 12m58.417143968s
Simplifying prog options: 0s
Extracting C: 37.708983742s
Simplifying C: 3m52.251328984s


extracting reproducer from 1 programs
testing a last program of every proc
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl-bind$netlink-socket$nl_route-close_range-openat$procfs-ioctl$sock_inet_sctp_SIOCINQ-sendmsg$nl_route_sched
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x3f00000000000000)
r2 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$sock_inet_sctp_SIOCINQ(r2, 0x541b, 0x0)
sendmsg$nl_route_sched(0xffffffffffffffff, 0x0, 0x4041080)

program crashed: KASAN: slab-use-after-free Read in ep_open
single: successfully extracted reproducer
found reproducer with 14 syscalls
minimizing guilty program
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl-bind$netlink-socket$nl_route-close_range-openat$procfs-ioctl$sock_inet_sctp_SIOCINQ
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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x3f00000000000000)
r2 = openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)
ioctl$sock_inet_sctp_SIOCINQ(r2, 0x541b, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl-bind$netlink-socket$nl_route-close_range-openat$procfs
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x3f00000000000000)
openat$procfs(0xffffffffffffff9c, 0x0, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl-bind$netlink-socket$nl_route-close_range
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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)
close_range(0xffffffffffffffff, 0xffffffffffffffff, 0x3f00000000000000)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl-bind$netlink-socket$nl_route
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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)
socket$nl_route(0x10, 0x3, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl-bind$netlink
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)
bind$netlink(0xffffffffffffffff, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-write-openat-ioctl
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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
r1 = openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)
ioctl(r1, 0x40104d00, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)
write(r0, 0x0, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-openat
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)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
write(0xffffffffffffffff, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mount-openat-write-openat
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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, 0x0, &(0x7f0000000200)='gadgetfs\x00', 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000040)='./gadget\x00', 0x1ff)
mount(0x0, &(0x7f0000000100)='./gadget\x00', 0x0, 0x0, 0x0)
r0 = openat(0xffffffffffffff9c, &(0x7f0000000300)='./gadget/dummy_udc\x00', 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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, 0x0, 0x2, 0x0)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, 0x0, 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400), 0x0)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program did not crash
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, 0x0, 0x2, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
simplifying C reproducer
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=30s, {Threaded:false Repeat:false RepeatTimes:0 Procs:1 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:false Cgroups:false BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program did not crash
testing compiled C program (duration=30s, {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-write-openat
program did not crash
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 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-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
testing compiled C program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-write-openat
program crashed: KASAN: slab-use-after-free Read in ep_open
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
testing program (duration=30s, {Threaded:false Repeat:true RepeatTimes:0 Procs:4 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:false Trace:false CallComments:true LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-mount-openat-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)
write(r0, &(0x7f0000000400)="0000000009020900010100803212010002000000402505a0a4000100000001", 0x1f)
openat(0xffffffffffffff9c, &(0x7f0000000600)='./gadget/ep1in-bulk\x00', 0x2, 0x0)

program crashed: KASAN: slab-use-after-free Read in ep_open
validation run: crashed=true
reproducing took 20m40.415339057s
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+0x15f5/0x1c10 kernel/locking/mutex.c:821
Read of size 8 at addr ffff888045b7a858 by task syz.3.171/6239

CPU: 2 UID: 0 PID: 6239 Comm: syz.3.171 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:625 [inline]
 __mutex_lock+0x15f5/0x1c10 kernel/locking/mutex.c:821
 ep_open+0x4c/0x2c0 drivers/usb/gadget/legacy/inode.c:953
 do_dentry_open+0x674/0x1470 fs/open.c:1000
 vfs_open_consume+0xcc/0x460 fs/open.c:1131
 do_open fs/namei.c:4845 [inline]
 path_openat+0x1547/0x23f0 fs/namei.c:5010
 do_file_open+0x20e/0x430 fs/namei.c:5039
 do_sys_openat2+0x163/0x1d0 fs/open.c:1442
 do_sys_open fs/open.c:1448 [inline]
 __do_sys_openat fs/open.c:1464 [inline]
 __se_sys_openat fs/open.c:1459 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c1759f559
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:00007ffc15d344b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8c17825fa0 RCX: 00007f8c1759f559
RDX: 0000000000000002 RSI: 0000200000000600 RDI: ffffffffffffff9c
RBP: 00007f8c17636b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c17825fac R14: 00007f8c17825fa0 R15: 00007f8c17825fa0
 </TASK>

Allocated by task 6238:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5680
 _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:1732 [inline]
 gadgetfs_bind+0x5fe/0x940 drivers/usb/gadget/legacy/inode.c:1825
 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1663
 call_driver_probe drivers/base/dd.c:629 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:707
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899
 __driver_attach+0x231/0x5b0 drivers/base/dd.c:1300
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:386
 bus_add_driver+0x4bf/0x620 drivers/base/bus.c:785
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1753
 dev_config+0xdce/0x1610 drivers/usb/gadget/legacy/inode.c:2015
 vfs_write+0x2aa/0x1050 fs/read_write.c:685
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6238:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2780 [inline]
 slab_free mm/slub.c:6630 [inline]
 kfree+0x22b/0x6d0 mm/slub.c:6923
 put_ep drivers/usb/gadget/legacy/inode.c:225 [inline]
 put_ep+0x117/0x150 drivers/usb/gadget/legacy/inode.c:217
 destroy_ep_files+0x163/0x420 drivers/usb/gadget/legacy/inode.c:1713
 gadgetfs_unbind+0x139/0x260 drivers/usb/gadget/legacy/inode.c:1786
 gadget_unbind_driver+0x20c/0x4f0 drivers/usb/gadget/udc/core.c:1725
 device_remove+0xcb/0x180 drivers/base/dd.c:617
 __device_release_driver drivers/base/dd.c:1357 [inline]
 device_release_driver_internal+0x441/0x610 drivers/base/dd.c:1380
 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1443
 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:854
 driver_unregister+0x76/0xb0 drivers/base/driver.c:202
 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1785
 dev_release+0x132/0x1b0 drivers/usb/gadget/legacy/inode.c:1328
 __fput+0x3fb/0xb50 fs/file_table.c:512
 fput_close_sync+0x118/0x250 fs/file_table.c:618
 filp_close_sync+0x75/0xa0 fs/open.c:1573
 __range_close+0x4a6/0x8b0 fs/file.c:919
 __do_sys_close_range fs/file.c:1003 [inline]
 __se_sys_close_range fs/file.c:954 [inline]
 __x64_sys_close_range+0x1f8/0x430 fs/file.c:954
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888045b7a800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 88 bytes inside of
 freed 512-byte region [ffff888045b7a800, ffff888045b7aa00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888045b7b800 pfn:0x45b78
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88801d442c80 ffffea00015c7310 ffffea000139b710
raw: ffff888045b7b800 0000000000100008 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88801d442c80 ffffea00015c7310 ffffea000139b710
head: ffff888045b7b800 0000000000100008 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffffffffffff01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6131, tgid 6131 (syz.1.74), ts 59261070104
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1854
 prep_new_page mm/page_alloc.c:1862 [inline]
 get_page_from_freelist+0x1113/0x35e0 mm/page_alloc.c:3933
 __alloc_frozen_pages_noprof+0x2f6/0x3190 mm/page_alloc.c:5429
 alloc_slab_page mm/slub.c:3384 [inline]
 allocate_slab mm/slub.c:3499 [inline]
 new_slab+0xb1/0x6d0 mm/slub.c:3550
 refill_objects+0xe3/0x410 mm/slub.c:7539
 refill_sheaf mm/slub.c:2917 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4811
 alloc_from_pcs mm/slub.c:4887 [inline]
 slab_alloc_node mm/slub.c:5021 [inline]
 __kmalloc_cache_noprof+0x4ef/0x6d0 mm/slub.c:5676
 _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:1732 [inline]
 gadgetfs_bind+0x5fe/0x940 drivers/usb/gadget/legacy/inode.c:1825
 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1663
 call_driver_probe drivers/base/dd.c:629 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:707
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899
 __driver_attach+0x231/0x5b0 drivers/base/dd.c:1300
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:386
 bus_add_driver+0x4bf/0x620 drivers/base/bus.c:785
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
page last free pid 5966 tgid 5966 ts 59201267185 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1401 [inline]
 __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2952
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:361
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4720 [inline]
 slab_alloc_node mm/slub.c:5033 [inline]
 kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5047
 anon_vma_chain_alloc mm/rmap.c:142 [inline]
 anon_vma_clone+0x2b3/0xca0 mm/rmap.c:344
 anon_vma_fork+0x1bb/0x6a0 mm/rmap.c:406
 dup_mmap+0x10e6/0x2370 mm/mmap.c:1781
 dup_mm kernel/fork.c:1541 [inline]
 copy_mm kernel/fork.c:1593 [inline]
 copy_process+0x7a07/0x84c0 kernel/fork.c:2319
 kernel_clone+0x176/0x9d0 kernel/fork.c:2783
 __do_sys_clone+0xd9/0x120 kernel/fork.c:2925
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888045b7a700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888045b7a780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888045b7a800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff888045b7a880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888045b7a900: 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+0x15f5/0x1c10 kernel/locking/mutex.c:821
Read of size 8 at addr ffff888045b7a858 by task syz.3.171/6239

CPU: 2 UID: 0 PID: 6239 Comm: syz.3.171 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:94 [inline]
 dump_stack_lvl+0x100/0x190 lib/dump_stack.c:120
 print_address_description mm/kasan/report.c:378 [inline]
 print_report+0x13d/0x4b0 mm/kasan/report.c:482
 kasan_report+0xdf/0x1c0 mm/kasan/report.c:595
 __mutex_lock_common kernel/locking/mutex.c:625 [inline]
 __mutex_lock+0x15f5/0x1c10 kernel/locking/mutex.c:821
 ep_open+0x4c/0x2c0 drivers/usb/gadget/legacy/inode.c:953
 do_dentry_open+0x674/0x1470 fs/open.c:1000
 vfs_open_consume+0xcc/0x460 fs/open.c:1131
 do_open fs/namei.c:4845 [inline]
 path_openat+0x1547/0x23f0 fs/namei.c:5010
 do_file_open+0x20e/0x430 fs/namei.c:5039
 do_sys_openat2+0x163/0x1d0 fs/open.c:1442
 do_sys_open fs/open.c:1448 [inline]
 __do_sys_openat fs/open.c:1464 [inline]
 __se_sys_openat fs/open.c:1459 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8c1759f559
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:00007ffc15d344b8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007f8c17825fa0 RCX: 00007f8c1759f559
RDX: 0000000000000002 RSI: 0000200000000600 RDI: ffffffffffffff9c
RBP: 00007f8c17636b20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8c17825fac R14: 00007f8c17825fa0 R15: 00007f8c17825fa0
 </TASK>

Allocated by task 6238:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 poison_kmalloc_redzone mm/kasan/common.c:409 [inline]
 __kasan_kmalloc+0xaa/0xb0 mm/kasan/common.c:426
 kasan_kmalloc include/linux/kasan.h:263 [inline]
 __kmalloc_cache_noprof+0x2f8/0x6d0 mm/slub.c:5680
 _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:1732 [inline]
 gadgetfs_bind+0x5fe/0x940 drivers/usb/gadget/legacy/inode.c:1825
 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1663
 call_driver_probe drivers/base/dd.c:629 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:707
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899
 __driver_attach+0x231/0x5b0 drivers/base/dd.c:1300
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:386
 bus_add_driver+0x4bf/0x620 drivers/base/bus.c:785
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
 usb_gadget_register_driver_owner+0x132/0x210 drivers/usb/gadget/udc/core.c:1753
 dev_config+0xdce/0x1610 drivers/usb/gadget/legacy/inode.c:2015
 vfs_write+0x2aa/0x1050 fs/read_write.c:685
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Freed by task 6238:
 kasan_save_stack+0x30/0x50 mm/kasan/common.c:57
 kasan_save_track+0x14/0x30 mm/kasan/common.c:78
 kasan_save_free_info+0x3b/0x70 mm/kasan/generic.c:584
 poison_slab_object mm/kasan/common.c:264 [inline]
 __kasan_slab_free+0x5f/0x80 mm/kasan/common.c:296
 kasan_slab_free include/linux/kasan.h:235 [inline]
 slab_free_hook mm/slub.c:2780 [inline]
 slab_free mm/slub.c:6630 [inline]
 kfree+0x22b/0x6d0 mm/slub.c:6923
 put_ep drivers/usb/gadget/legacy/inode.c:225 [inline]
 put_ep+0x117/0x150 drivers/usb/gadget/legacy/inode.c:217
 destroy_ep_files+0x163/0x420 drivers/usb/gadget/legacy/inode.c:1713
 gadgetfs_unbind+0x139/0x260 drivers/usb/gadget/legacy/inode.c:1786
 gadget_unbind_driver+0x20c/0x4f0 drivers/usb/gadget/udc/core.c:1725
 device_remove+0xcb/0x180 drivers/base/dd.c:617
 __device_release_driver drivers/base/dd.c:1357 [inline]
 device_release_driver_internal+0x441/0x610 drivers/base/dd.c:1380
 driver_detach+0xd8/0x1b0 drivers/base/dd.c:1443
 bus_remove_driver+0x13b/0x2e0 drivers/base/bus.c:854
 driver_unregister+0x76/0xb0 drivers/base/driver.c:202
 usb_gadget_unregister_driver+0x49/0x70 drivers/usb/gadget/udc/core.c:1785
 dev_release+0x132/0x1b0 drivers/usb/gadget/legacy/inode.c:1328
 __fput+0x3fb/0xb50 fs/file_table.c:512
 fput_close_sync+0x118/0x250 fs/file_table.c:618
 filp_close_sync+0x75/0xa0 fs/open.c:1573
 __range_close+0x4a6/0x8b0 fs/file.c:919
 __do_sys_close_range fs/file.c:1003 [inline]
 __se_sys_close_range fs/file.c:954 [inline]
 __x64_sys_close_range+0x1f8/0x430 fs/file.c:954
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

The buggy address belongs to the object at ffff888045b7a800
 which belongs to the cache kmalloc-512 of size 512
The buggy address is located 88 bytes inside of
 freed 512-byte region [ffff888045b7a800, ffff888045b7aa00)

The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0xffff888045b7b800 pfn:0x45b78
head: order:2 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0
flags: 0xfff00000000240(workingset|head|node=0|zone=1|lastcpupid=0x7ff)
page_type: f5(slab)
raw: 00fff00000000240 ffff88801d442c80 ffffea00015c7310 ffffea000139b710
raw: ffff888045b7b800 0000000000100008 00000000f5000000 0000000000000000
head: 00fff00000000240 ffff88801d442c80 ffffea00015c7310 ffffea000139b710
head: ffff888045b7b800 0000000000100008 00000000f5000000 0000000000000000
head: 00fff00000000002 ffffffffffffff01 00000000ffffffff 00000000ffffffff
head: ffffffffffffffff 0000000000000000 00000000ffffffff 0000000000000004
page dumped because: kasan: bad access detected
page_owner tracks the page as allocated
page last allocated via order 2, migratetype Unmovable, gfp_mask 0xd20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC), pid 6131, tgid 6131 (syz.1.74), ts 59261070104
 set_page_owner include/linux/page_owner.h:33 [inline]
 post_alloc_hook+0xfd/0x120 mm/page_alloc.c:1854
 prep_new_page mm/page_alloc.c:1862 [inline]
 get_page_from_freelist+0x1113/0x35e0 mm/page_alloc.c:3933
 __alloc_frozen_pages_noprof+0x2f6/0x3190 mm/page_alloc.c:5429
 alloc_slab_page mm/slub.c:3384 [inline]
 allocate_slab mm/slub.c:3499 [inline]
 new_slab+0xb1/0x6d0 mm/slub.c:3550
 refill_objects+0xe3/0x410 mm/slub.c:7539
 refill_sheaf mm/slub.c:2917 [inline]
 __pcs_replace_empty_main+0x35e/0x650 mm/slub.c:4811
 alloc_from_pcs mm/slub.c:4887 [inline]
 slab_alloc_node mm/slub.c:5021 [inline]
 __kmalloc_cache_noprof+0x4ef/0x6d0 mm/slub.c:5676
 _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:1732 [inline]
 gadgetfs_bind+0x5fe/0x940 drivers/usb/gadget/legacy/inode.c:1825
 gadget_bind_driver+0x28c/0xbf0 drivers/usb/gadget/udc/core.c:1663
 call_driver_probe drivers/base/dd.c:629 [inline]
 really_probe+0x241/0xa60 drivers/base/dd.c:707
 __driver_probe_device+0x210/0x460 drivers/base/dd.c:869
 driver_probe_device+0x4a/0x140 drivers/base/dd.c:899
 __driver_attach+0x231/0x5b0 drivers/base/dd.c:1300
 bus_for_each_dev+0x13e/0x1d0 drivers/base/bus.c:386
 bus_add_driver+0x4bf/0x620 drivers/base/bus.c:785
 driver_register+0x1e2/0x360 drivers/base/driver.c:174
page last free pid 5966 tgid 5966 ts 59201267185 stack trace:
 reset_page_owner include/linux/page_owner.h:26 [inline]
 __free_pages_prepare mm/page_alloc.c:1401 [inline]
 __free_frozen_pages+0x7b4/0x1110 mm/page_alloc.c:2952
 qlink_free mm/kasan/quarantine.c:163 [inline]
 qlist_free_all+0x47/0xf0 mm/kasan/quarantine.c:179
 kasan_quarantine_reduce+0x1a0/0x1f0 mm/kasan/quarantine.c:286
 __kasan_slab_alloc+0x69/0x90 mm/kasan/common.c:361
 kasan_slab_alloc include/linux/kasan.h:253 [inline]
 slab_post_alloc_hook mm/slub.c:4720 [inline]
 slab_alloc_node mm/slub.c:5033 [inline]
 kmem_cache_alloc_noprof+0x269/0x6a0 mm/slub.c:5047
 anon_vma_chain_alloc mm/rmap.c:142 [inline]
 anon_vma_clone+0x2b3/0xca0 mm/rmap.c:344
 anon_vma_fork+0x1bb/0x6a0 mm/rmap.c:406
 dup_mmap+0x10e6/0x2370 mm/mmap.c:1781
 dup_mm kernel/fork.c:1541 [inline]
 copy_mm kernel/fork.c:1593 [inline]
 copy_process+0x7a07/0x84c0 kernel/fork.c:2319
 kernel_clone+0x176/0x9d0 kernel/fork.c:2783
 __do_sys_clone+0xd9/0x120 kernel/fork.c:2925
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f

Memory state around the buggy address:
 ffff888045b7a700: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
 ffff888045b7a780: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc
>ffff888045b7a800: fa fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
                                                    ^
 ffff888045b7a880: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
 ffff888045b7a900: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb
==================================================================