Extracting prog: 1m57.417946799s
Minimizing prog: 49m12.820256938s
Simplifying prog options: 0s
Extracting C: 31.647796823s
Simplifying C: 9m56.086119567s


extracting reproducer from 70 programs
first checking the prog from the crash report
single: executing 1 programs separately with timeout 30s
testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
single: successfully extracted reproducer
found reproducer with 19 syscalls
minimizing guilty program
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-mkdir-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-syz_mount_image$exfat-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-mkdirat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-recvmmsg-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
recvmmsg(r1, &(0x7f00000000c0), 0x10106, 0x2, 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-sendmmsg$unix-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff, <r2=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
sendmmsg$unix(r2, &(0x7f0000000000), 0x651, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-connect$unix-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={<r1=>0xffffffffffffffff})
connect$unix(r1, &(0x7f000057eff8)=@abs, 0x6e)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-socketpair$unix-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200))
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mmap-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mmap(&(0x7f0000000000/0xb36000)=nil, 0xb36000, 0xb635773f06ebbeee, 0x8031, 0xffffffffffffffff, 0x6770c000)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-sched_setscheduler-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
r0 = getpid()
sched_setscheduler(r0, 0x2, &(0x7f0000000200)=0x7)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-getpid-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
getpid()
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-bpf$MAP_CREATE_RINGBUF-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
bpf$MAP_CREATE_RINGBUF(0x0, 0x0, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-sched_setscheduler-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
sched_setscheduler(0x0, 0x2, &(0x7f00000001c0)=0x8)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-prlimit64-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
prlimit64(0x0, 0xe, &(0x7f0000000140)={0x8, 0x8b}, 0x0)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): bpf$BPF_RAW_TRACEPOINT_OPEN-mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
bpf$BPF_RAW_TRACEPOINT_OPEN(0x11, &(0x7f0000000080)={&(0x7f0000000040)='sched_switch\x00'}, 0x10)
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, 0x0, 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(0x0, 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, 0x0, &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', 0x0, 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, 0x0)
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, 0x0, &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', 0x0, 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, 0x0)
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040))
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(0x0, &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), 0x0, 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, 0x0, 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(0x0, &(0x7f0000000040)='system.posix_acl_default\x00', &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program did not crash
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', 0x0, &(0x7f0000000000)=ANY=[@ANYBLOB="02000000"], 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', 0x0, 0x0, 0x1c, 0x0) (fail_nth: 17)

program crashed: WARNING in ovl_encode_real_fh
testing program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
detailed listing:
executing program 0:
mkdirat(0xffffffffffffff9c, &(0x7f0000000340)='./file1\x00', 0x0)
syz_mount_image$exfat(0x0, &(0x7f0000000100)='./bus\x00', 0x4800, 0x0, 0x3, 0x0, &(0x7f0000000080))
mkdir(&(0x7f00000001c0)='./file0\x00', 0x0)
syz_mount_image$fuse(0x0, &(0x7f0000000180)='./file2\x00', 0x0, 0x0, 0x0, 0x0, 0x0)
mount$overlay(0x0, &(0x7f0000000080)='./file0\x00', &(0x7f0000000000), 0x0, &(0x7f00000002c0)={[{@workdir={'workdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@upperdir={'upperdir', 0x3d, './file2'}}, {@nfs_export_on}], [], 0x2c})
mount$overlay(0x0, &(0x7f00000000c0)='./bus\x00', &(0x7f0000000080), 0x0, &(0x7f0000000040)={[{@workdir={'workdir', 0x3d, './bus'}}, {@lowerdir={'lowerdir', 0x3d, './file0'}}, {@upperdir={'upperdir', 0x3d, './file1'}}, {@nfs_export_on}]})
syz_mount_image$fuse(&(0x7f0000000000), &(0x7f0000000200)='./bus\x00', 0x100000, &(0x7f0000000200)=ANY=[], 0x1, 0x0, 0x0)
lsetxattr$system_posix_acl(&(0x7f0000000140)='./file1\x00', 0x0, 0x0, 0x1c, 0x0)

program did not crash
extracting C reproducer
testing compiled C program (duration=51.545092783s, {Threaded:true Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program crashed: WARNING in ovl_encode_real_fh
simplifying C reproducer
testing compiled C program (duration=51.545092783s, {Threaded:false Repeat:true RepeatTimes:0 Procs:5 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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program crashed: WARNING in ovl_encode_real_fh
testing compiled C program (duration=51.545092783s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program did not crash
testing compiled C program (duration=51.545092783s, {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 LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program crashed: WARNING in ovl_encode_real_fh
testing compiled C program (duration=51.545092783s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:true Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program crashed: WARNING in ovl_encode_real_fh
testing compiled C program (duration=51.545092783s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program crashed: WARNING in ovl_encode_real_fh
testing compiled C program (duration=51.545092783s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program crashed: WARNING in ovl_encode_real_fh
testing compiled C program (duration=51.545092783s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:true Swap:false UseTmpDir:false HandleSegv:false Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program did not crash
testing compiled C program (duration=51.545092783s, {Threaded:false Repeat:true RepeatTimes:0 Procs:1 Slowdown:1 Sandbox: SandboxArg:0 Leak:false NetInjection:false NetDevices:false NetReset:false Cgroups:false BinfmtMisc:false CloseFDs:false KCSAN:false DevlinkPCI:false NicVF:false USB:false VhciInjection:false Wifi:false IEEE802154:false Sysctl:false Swap:false UseTmpDir:false HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): mkdirat-syz_mount_image$exfat-mkdir-syz_mount_image$fuse-mount$overlay-mount$overlay-syz_mount_image$fuse-lsetxattr$system_posix_acl
program did not crash
reproducing took 1h1m37.972142175s
repro crashed as (corrupted=false):
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003731
R10: 000000000000001c R11: 0000000000000246 R12: 00007ffc252da8e0
R13: 00007ffc252da9c0 R14: 431bde82d7b634db R15: 00007f86ddf4212c
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4165 at fs/overlayfs/copy_up.c:371 ovl_encode_real_fh+0x2d6/0x400
Modules linked in:
CPU: 0 PID: 4165 Comm: syz-executor215 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ovl_encode_real_fh+0x2d6/0x400 fs/overlayfs/copy_up.c:371
Code: 00 4c 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8c 6b a0 fe 0f 0b eb 10 e8 83 6b a0 fe 0f 0b eb 07 e8 7a 6b a0 fe <0f> 0b 4c 89 ff e8 90 a4 e9 fe 49 c7 c7 fb ff ff ff eb 95 89 d1 80
RSP: 0018:ffffc90002eaf560 EFLAGS: 00010293
RAX: ffffffff82e00826 RBX: 1ffff920005d5eb4 RCX: ffff88807750d940
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff
RBP: ffffc90002eaf610 R08: ffffffff82e006c8 R09: fffffbfff1c14b16
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000ff
R13: 0000000000000080 R14: 1ffff920005d5eb0 R15: ffff88802bff8500
FS:  00005555722a2480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ae08ecb1e0 CR3: 000000007de18000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ovl_get_index_name fs/overlayfs/namei.c:654 [inline]
 ovl_lookup_index+0x6a/0x660 fs/overlayfs/namei.c:703
 ovl_lookup+0x1636/0x1f10 fs/overlayfs/namei.c:1052
 __lookup_slow+0x275/0x3d0 fs/namei.c:1663
 lookup_slow+0x53/0x70 fs/namei.c:1680
 walk_component+0x48c/0x610 fs/namei.c:1976
 lookup_last fs/namei.c:2431 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2455
 filename_lookup+0x230/0x5c0 fs/namei.c:2484
 user_path_at_empty+0x40/0x180 fs/namei.c:2883
 user_path_at include/linux/namei.h:57 [inline]
 path_setxattr+0xae/0x2a0 fs/xattr.c:625
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f86ddf00c39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc252da868 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007ffc252da870 RCX: 00007f86ddf00c39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003731
R10: 000000000000001c R11: 0000000000000246 R12: 00007ffc252da8e0
R13: 00007ffc252da9c0 R14: 431bde82d7b634db R15: 00007f86ddf4212c
 </TASK>

final repro crashed as (corrupted=false):
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003731
R10: 000000000000001c R11: 0000000000000246 R12: 00007ffc252da8e0
R13: 00007ffc252da9c0 R14: 431bde82d7b634db R15: 00007f86ddf4212c
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 4165 at fs/overlayfs/copy_up.c:371 ovl_encode_real_fh+0x2d6/0x400
Modules linked in:
CPU: 0 PID: 4165 Comm: syz-executor215 Not tainted 5.15.173-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
RIP: 0010:ovl_encode_real_fh+0x2d6/0x400 fs/overlayfs/copy_up.c:371
Code: 00 4c 89 f8 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8c 6b a0 fe 0f 0b eb 10 e8 83 6b a0 fe 0f 0b eb 07 e8 7a 6b a0 fe <0f> 0b 4c 89 ff e8 90 a4 e9 fe 49 c7 c7 fb ff ff ff eb 95 89 d1 80
RSP: 0018:ffffc90002eaf560 EFLAGS: 00010293
RAX: ffffffff82e00826 RBX: 1ffff920005d5eb4 RCX: ffff88807750d940
RDX: 0000000000000000 RSI: 00000000000000ff RDI: 00000000000000ff
RBP: ffffc90002eaf610 R08: ffffffff82e006c8 R09: fffffbfff1c14b16
R10: 0000000000000000 R11: dffffc0000000001 R12: 00000000000000ff
R13: 0000000000000080 R14: 1ffff920005d5eb0 R15: ffff88802bff8500
FS:  00005555722a2480(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055ae08ecb1e0 CR3: 000000007de18000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 ovl_get_index_name fs/overlayfs/namei.c:654 [inline]
 ovl_lookup_index+0x6a/0x660 fs/overlayfs/namei.c:703
 ovl_lookup+0x1636/0x1f10 fs/overlayfs/namei.c:1052
 __lookup_slow+0x275/0x3d0 fs/namei.c:1663
 lookup_slow+0x53/0x70 fs/namei.c:1680
 walk_component+0x48c/0x610 fs/namei.c:1976
 lookup_last fs/namei.c:2431 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2455
 filename_lookup+0x230/0x5c0 fs/namei.c:2484
 user_path_at_empty+0x40/0x180 fs/namei.c:2883
 user_path_at include/linux/namei.h:57 [inline]
 path_setxattr+0xae/0x2a0 fs/xattr.c:625
 __do_sys_lsetxattr fs/xattr.c:653 [inline]
 __se_sys_lsetxattr fs/xattr.c:649 [inline]
 __x64_sys_lsetxattr+0xb4/0xd0 fs/xattr.c:649
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x66/0xd0
RIP: 0033:0x7f86ddf00c39
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 d1 1a 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffc252da868 EFLAGS: 00000246 ORIG_RAX: 00000000000000bd
RAX: ffffffffffffffda RBX: 00007ffc252da870 RCX: 00007f86ddf00c39
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140
RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000003731
R10: 000000000000001c R11: 0000000000000246 R12: 00007ffc252da8e0
R13: 00007ffc252da9c0 R14: 431bde82d7b634db R15: 00007f86ddf4212c
 </TASK>