last executing test programs:

29.512669503s ago: executing program 1:
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f00000003c0)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)=@abs={0x0, 0x0, 0x2}, 0x8, &(0x7f0000000200)}, 0x0)
symlink(&(0x7f0000000080)='.\x00', &(0x7f0000000240)='./file0\x00')
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000300)='umap\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, &(0x7f00000001c0))
unlink(&(0x7f0000000000)='./file0\x00')
symlink(&(0x7f0000000080)='.\x00', &(0x7f0000000240)='./file0\x00')
ioctl$FIOSEEKHOLE(0xffffffffffffffff, 0x80206913, 0x0)

23.994701435s ago: executing program 1:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc)
r1 = socket$unix(0x1, 0x1, 0x0)
setuid(0xee00)
connect$unix(r1, &(0x7f0000000280)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)

22.418007471s ago: executing program 0:
r0 = socket$unix(0x1, 0x5, 0x0)
__clone(0x0, 0x0)
fork()
getsockopt$sock_cred(r0, 0xffff, 0x1004, &(0x7f0000001840)={<r1=>0x0}, &(0x7f0000000180)=0xc)
setpgid(0x0, 0x0)
setpgid(0x0, r1)

19.019654071s ago: executing program 0:
mkdir(&(0x7f0000000200)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000001400)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100), 0x5486}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000380)='union\x00', &(0x7f0000000140)='./file0\x00', 0x0, &(0x7f00000001c0))
__mount50(&(0x7f0000000040)='procfs\x00', &(0x7f0000000000)='./file0/../file0\x00', 0x0, &(0x7f00000000c0)='@', 0x1)

18.58126388s ago: executing program 1:
r0 = socket$unix(0x1, 0x1, 0x0)
bind$unix(r0, &(0x7f0000003000)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0xc)
r1 = socket$unix(0x1, 0x1, 0x0)
setuid(0xee00)
connect$unix(r1, &(0x7f0000000280)=@file={0x1, '\xe9\x1fq\x89Y\x1e\x923aK\x00'}, 0x6e)

15.899979388s ago: executing program 3:
compat_40_mount(&(0x7f0000000040)='tmpfs\x00', &(0x7f00000000c0)='.\x00', 0x0, &(0x7f00000002c0)="01")
__mount50(&(0x7f00000002c0)='overlay\x00', &(0x7f0000000040)='.\x00', 0x0, &(0x7f0000000540), 0x0)
open(0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x40000400001803c1, 0x0)
pwritev(r0, &(0x7f0000000100)=[{0x0}], 0x1, 0x0)

15.406656115s ago: executing program 3:
r0 = socket(0x2, 0x1, 0x0)
getsockopt(r0, 0x6, 0x5, 0x0, 0x0)

14.209870312s ago: executing program 5:
munmap(&(0x7f0000001000/0x3000)=nil, 0x3000)
_ksem_timedwait(0x0, &(0x7f0000000180)={0x0, 0xfffffffffffffffb})
modctl$MODCTL_STAT(0x4, &(0x7f0000000180)={&(0x7f00000000c0)=""/126, 0x7e})
r0 = msgget$private(0x0, 0x398)
msgrcv(r0, 0x0, 0x0, 0x0, 0x0)
msgsnd(r0, &(0x7f0000000d00)=ANY=[], 0x401, 0x0)
ioctl$FIOSEEKHOLE(0xffffffffffffffff, 0x80206931, 0x0)
posix_spawn(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

13.956553742s ago: executing program 4:
mknod(&(0x7f0000000240)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0)
mkdir(&(0x7f0000000080)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000000280)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000140)='umap\x00', &(0x7f0000000040)='./file0\x00', 0x0, &(0x7f00000001c0))

13.242633413s ago: executing program 5:
r0 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffb000/0x4000)=nil)
setuid(0xee01)
compat_50___shmctl13$IPC_STAT(r0, 0x2, 0x0)

12.970069455s ago: executing program 4:
compat_40_mount(&(0x7f0000000000)='tmpfs\x00', &(0x7f00000003c0)='.\x00', 0x0, &(0x7f0000000140)="01")
mkdir(0x0, 0x0)
rename(0x0, 0x0)
r0 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0)
truncate(&(0x7f0000000000)='./file0\x00', 0x0, 0x1)
mlockall(0x3)
_lwp_unpark_all(0x0, 0x0, 0x0)
compat_43_ommap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1, 0x0, r0, 0x0)

12.901015656s ago: executing program 5:
mkdir(&(0x7f0000000080)='./file0\x00', 0x0)
mknod(0x0, 0x0, 0x0)
__mount50(&(0x7f0000000040)='lfs\x00', &(0x7f0000000080)='./file0\x00', 0x0, &(0x7f00000000c0)='@', 0x1)

12.610946202s ago: executing program 5:
__mount50(&(0x7f00000002c0)='overlay\x00', &(0x7f0000000040)='.\x00', 0x0, &(0x7f0000000540), 0x0)
r0 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0)
truncate(&(0x7f0000000200)='./file0\x00', 0x0, 0x1000001)
mmap(&(0x7f0000000000/0x13000)=nil, 0x13000, 0x3, 0x10, r0, 0x0, 0x0)
r1 = open$dir(&(0x7f0000000000)='./file0\x00', 0xa, 0x0)
writev(r1, &(0x7f0000000340)=[{&(0x7f0000000000), 0x2cfea}], 0x1000000000000013)

12.49183503s ago: executing program 4:
compat_40_mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x0)
mknod(&(0x7f0000000080)='./file0\x00', 0x2000, 0x40000802)
r0 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x0)
fcntl$lock(r0, 0x8, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x100000001})
r1 = open(&(0x7f0000000500)='./file0\x00', 0x0, 0x0)
fcntl$lock(r1, 0x8, &(0x7f0000000140)={0x1, 0x0, 0x2000400000004, 0x269000000, 0xffffffffffffffff})

12.274444434s ago: executing program 0:
fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x0, 0x0, 0x0, 0x100000000000000, 0xffffffffffffffff})
connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
r0 = socket(0x18, 0x1, 0x0)
connect$unix(r0, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c)
readv(0xffffffffffffffff, 0x0, 0x0)
socket(0x0, 0x0, 0x0)
getsockopt(0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0)
ioctl$FIOGETBMAP(0xffffffffffffffff, 0xc008667a, 0x0)
getsockname$unix(r0, 0x0, 0x0)

11.887883355s ago: executing program 1:
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f00000003c0)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)=@abs={0x0, 0x0, 0x2}, 0x8, &(0x7f0000000200)}, 0x0)
symlink(&(0x7f0000000080)='.\x00', &(0x7f0000000240)='./file0\x00')
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000300)='umap\x00', &(0x7f0000000340)='./file0/file0\x00', 0x0, &(0x7f00000001c0))
unlink(&(0x7f0000000000)='./file0\x00')
symlink(&(0x7f0000000080)='.\x00', &(0x7f0000000240)='./file0\x00')
ioctl$FIOSEEKHOLE(0xffffffffffffffff, 0x80206913, 0x0)

11.743280207s ago: executing program 4:
fchdir(0xffffffffffffffff)
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000001400)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000000)='null\x00', &(0x7f0000000140)='./file0\x00', 0x0, &(0x7f00000001c0))
r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000000280)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100), 0xdffffffffffff7ff}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000380)='union\x00', &(0x7f0000000140)='./file0\x00', 0x0, &(0x7f00000001c0))
fchdir(r0)
mknod(0x0, 0x0, 0x0)
r1 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0)
mmap(&(0x7f0000000000/0x13000)=nil, 0x13000, 0x0, 0x10, r1, 0x0, 0x0)

10.589635787s ago: executing program 2:
fcntl$lock(0xffffffffffffffff, 0x0, &(0x7f00000000c0)={0x0, 0x0, 0x83fe})
connect$unix(0xffffffffffffffff, &(0x7f00000000c0)=@abs={0x682eb13985c518e6, 0x7}, 0x1c)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x5)
r0 = socket(0x18, 0x1, 0x0)
connect$unix(r0, &(0x7f00000000c0)=@abs={0x0, 0x7}, 0x1c)

10.582688778s ago: executing program 3:
r0 = socket(0x2, 0x1, 0x0)
getsockopt(r0, 0x6, 0x5, 0x0, 0x0)

10.44541193s ago: executing program 5:
compat_40_mount(&(0x7f0000000040)='tmpfs\x00', &(0x7f00000000c0)='.\x00', 0x0, &(0x7f00000002c0)="01")
__mount50(&(0x7f00000002c0)='overlay\x00', &(0x7f0000000040)='.\x00', 0x0, &(0x7f0000000540), 0x0)
open(0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x40000400001803c1, 0x0)
pwritev(r0, &(0x7f0000000100)=[{0x0}], 0x1, 0x0)

9.856848541s ago: executing program 1:
mknod(&(0x7f0000000040)='./file0\x00', 0x6000, 0x6da)
__posix_rename(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./bus\x00')
__stat50(&(0x7f00000004c0)='./bus\x00', &(0x7f0000000000)={<r0=>0x0})
mknod(&(0x7f00000011c0)='./file0\x00', 0x2000, r0)
ktrace(&(0x7f0000000000)='./file0\x00', 0x0, 0x0, 0x0)

7.208510535s ago: executing program 2:
open(&(0x7f0000000040)='./file0\x00', 0x0, 0x0)
mprotect(&(0x7f0000000000/0x800000)=nil, 0x800000, 0x1)
modctl$MODCTL_LOAD(0x0, &(0x7f0000000040)={0x0, 0x0, 0x0})

7.195882847s ago: executing program 3:
munmap(&(0x7f0000001000/0x3000)=nil, 0x3000)
_ksem_timedwait(0x0, &(0x7f0000000180)={0x0, 0xfffffffffffffffb})
modctl$MODCTL_STAT(0x4, &(0x7f0000000180)={&(0x7f00000000c0)=""/126, 0x7e})
r0 = msgget$private(0x0, 0x398)
msgrcv(r0, 0x0, 0x0, 0x0, 0x0)
msgsnd(r0, &(0x7f0000000d00)=ANY=[], 0x401, 0x0)
ioctl$FIOSEEKHOLE(0xffffffffffffffff, 0x80206931, 0x0)
posix_spawn(0x0, 0x0, 0x0, 0x0, 0x0, 0x0)

7.012657876s ago: executing program 0:
mknod(&(0x7f0000000240)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0)
mkdir(&(0x7f0000000080)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000000280)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000140)='umap\x00', &(0x7f0000000040)='./file0\x00', 0x0, &(0x7f00000001c0))

6.46919734s ago: executing program 2:
r0 = shmget$private(0x0, 0x4000, 0x0, &(0x7f0000ffb000/0x4000)=nil)
setuid(0xee01)
compat_50___shmctl13$IPC_STAT(r0, 0x2, 0x0)

4.116402398s ago: executing program 4:
fchdir(0xffffffffffffffff)
mkdir(&(0x7f0000000000)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000001400)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000000)='null\x00', &(0x7f0000000140)='./file0\x00', 0x0, &(0x7f00000001c0))
r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000000280)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100), 0xdffffffffffff7ff}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000380)='union\x00', &(0x7f0000000140)='./file0\x00', 0x0, &(0x7f00000001c0))
fchdir(r0)
mknod(0x0, 0x0, 0x0)
r1 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0)
mmap(&(0x7f0000000000/0x13000)=nil, 0x13000, 0x0, 0x10, r1, 0x0, 0x0)

3.876100295s ago: executing program 2:
symlink(&(0x7f0000000080)='.\x00', &(0x7f0000000240)='./file0\x00')
sendmsg$unix(0xffffffffffffffff, &(0x7f0000000240)={&(0x7f0000000180)=@abs={0x0, 0x0, 0x2}, 0x8, &(0x7f0000000200)}, 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000000280)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
__mount50(&(0x7f00000002c0)='overlay\x00', &(0x7f0000000040)='.\x00', 0x0, &(0x7f0000000540), 0x0)
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000040)='umap\x00', &(0x7f00000000c0)='./file0\x00', 0x0, &(0x7f00000001c0))
unlink(&(0x7f0000000000)='./file0\x00')
mknod(&(0x7f0000000480)='./file0\x00', 0x2000, 0x1733)
open(&(0x7f0000000040)='./file0\x00', 0x0, 0x0)

3.738744056s ago: executing program 3:
compat_40_mount(&(0x7f0000000000)='tmpfs\x00', &(0x7f00000003c0)='.\x00', 0x0, &(0x7f0000000140)="01")
mkdir(0x0, 0x0)
rename(0x0, 0x0)
r0 = open(&(0x7f0000000040)='./file0\x00', 0x70e, 0x0)
truncate(&(0x7f0000000000)='./file0\x00', 0x0, 0x1)
mlockall(0x3)
_lwp_unpark_all(0x0, 0x0, 0x0)
compat_43_ommap(&(0x7f0000ffc000/0x1000)=nil, 0x1000, 0x1, 0x0, r0, 0x0)

3.20318097s ago: executing program 2:
mkdir(&(0x7f0000000200)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000001400)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100), 0x5486}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000380)='union\x00', &(0x7f0000000140)='./file0\x00', 0x0, &(0x7f00000001c0))
__mount50(&(0x7f0000000040)='procfs\x00', &(0x7f0000000000)='./file0/../file0\x00', 0x0, &(0x7f00000000c0)='@', 0x1)

2.56109678s ago: executing program 2:
compat_43_ocreat(&(0x7f0000000000)='./file0\x00', 0x0)
r0 = open(&(0x7f0000000140)='./file0\x00', 0x0, 0x0)
ktrace(&(0x7f00000000c0)='./file0\x00', 0x4, 0x4, 0xffffffffffffffff)
fdatasync(r0)

1.462978332s ago: executing program 4:
compat_40_mount(0x0, &(0x7f0000000140)='./file0\x00', 0x0, 0x0)
mknod(&(0x7f0000000080)='./file0\x00', 0x2000, 0x40000802)
r0 = open(&(0x7f0000000100)='./file0\x00', 0x0, 0x0)
fcntl$lock(r0, 0x8, &(0x7f0000000080)={0x0, 0x0, 0x0, 0x100000001})
r1 = open(&(0x7f0000000500)='./file0\x00', 0x0, 0x0)
fcntl$lock(r1, 0x8, &(0x7f0000000140)={0x1, 0x0, 0x2000400000004, 0x269000000, 0xffffffffffffffff})

978.526047ms ago: executing program 1:
mknod(&(0x7f0000000040)='./file0\x00', 0x6000, 0x6da)
__posix_rename(&(0x7f00000000c0)='./file0\x00', &(0x7f0000000100)='./bus\x00')
__stat50(&(0x7f00000004c0)='./bus\x00', &(0x7f0000000000)={<r0=>0x0})
mknod(&(0x7f00000011c0)='./file0\x00', 0x2000, r0)
ktrace(&(0x7f0000000000)='./file0\x00', 0x0, 0x0, 0x0)

779.225168ms ago: executing program 5:
compat_40_mount(&(0x7f0000000040)='tmpfs\x00', &(0x7f00000000c0)='.\x00', 0x0, &(0x7f00000002c0)="01")
__mount50(&(0x7f00000002c0)='overlay\x00', &(0x7f0000000040)='.\x00', 0x0, &(0x7f0000000540), 0x0)
open(0x0, 0x0, 0x0)
r0 = open$dir(&(0x7f00000000c0)='./file0\x00', 0x40000400001803c1, 0x0)
pwritev(r0, &(0x7f0000000100)=[{0x0}], 0x1, 0x0)

658.311677ms ago: executing program 0:
mknod(&(0x7f0000000240)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0)
mkdir(&(0x7f0000000080)='./file0\x00', 0x0)
compat_50___msgctl13$IPC_STAT(0x0, 0x2, &(0x7f0000000280)={{}, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000100)}})
lchown(&(0x7f0000000100)='./file0\x00', 0x0, 0xffffffffffffffff)
compat_40_mount(&(0x7f0000000140)='umap\x00', &(0x7f0000000040)='./file0\x00', 0x0, &(0x7f00000001c0))

277.908197ms ago: executing program 3:
open$dir(&(0x7f0000000000)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', 0x0, 0x0)
execve(0x0, &(0x7f00000001c0)=[0x0, &(0x7f0000000100)='mfs\x00'], 0x0)
mknod(&(0x7f00000000c0)='./bus\x00', 0x2000, 0x4f4b)
r0 = open$dir(&(0x7f0000000140)='./bus\x00', 0x0, 0x0)
ioctl$FIOASYNC(r0, 0x80104303, &(0x7f00000001c0))

0s ago: executing program 0:
mmap(&(0x7f0000000000/0xff5000)=nil, 0xff5000, 0x0, 0x6b87ca3b17c39c79, 0xffffffffffffffff, 0x0, 0x0)
r0 = socket(0x18, 0x3, 0x0)
ioctl$FIOSEEKHOLE(r0, 0xc0106978, 0x0)

kernel console output (not intermixed with test programs):

Warning: Permanently added '10.128.1.76' (ED25519) to the list of known hosts.
2024/06/18 09:07:59 fuzzer started
2024/06/18 09:07:59 dialing manager at 10.128.0.163:30036
2024/06/18 09:08:00 starting 6 executor processes
[  57.3711025] tap5: detached
[  62.5511008] tap2: detached
[  63.8710971] tap3: detached
[  64.7311016] tap4: detached
[  66.9711072] tap5: detached
[  67.5810987] tap1: detached
[  67.9410998] tap2: detached
[  69.1510988] tap3: detached
[  71.7011037] tap0: detached
[  72.6411078] tap4: detached
[  74.6511026] tap1: detached
[  74.9310974] tap2: detached
[  76.5910967] tap3: detached
[  78.0810973] tap0: detached
[  78.4510983] tap5: detached
[  80.2410987] tap2: detached
[  82.1610973] tap1: detached
[  84.8111005] tap2: detached
[  87.3210960] tap0: detached
[  87.7611177] tap3: detached
[  89.9010965] tap4: detached
[  90.5910967] WARNING: defaulted mmap() share type to MAP_PRIVATE (pid 2868 command syz-executor.2)
[  91.4310951] tap0: detached
[  93.9310977] tap2: detached
[  94.3011181] tap3: detached
[  94.5510954] WARNING: defaulted mmap() share type to MAP_PRIVATE (pid 3910 command syz-executor.5)
[  96.0311204] tap4: detached
[  96.0710936] tap0: detached
[  99.4210935] tap5: detached
[ 100.5310960] tap3: detached
[ 101.4610967] tap0: detached
[ 101.7910945] tap2: detached
[ 102.7510920] tap4: detached
[ 103.6510948] tap5: detached
[ 106.7210917] tap1: detached
[ 107.4011149] tap0: detached
[ 109.2310924] tap2: detached
[ 110.8611000] tap3: detached
[ 112.4410942] tap1: detached
[ 113.4010926] tap0: detached
[ 113.6710921] tap2: detached
[ 114.5910919] tap4: detached
[ 118.1210905] tap5: detached
[ 118.2510907] tap4: detached
[ 119.2310900] tap0: detached
[ 122.5110907] tap3: detached
[ 122.6210955] tap4: detached
[ 123.5720941] tap5: detached
[ 124.2710917] tap1: detached
[ 125.6110860] tap2: detached
[ 127.0010968] tap0: detached
[ 128.6811045] tap4: detached
[ 129.2010905] WARNING: defaulted mmap() share type to MAP_PRIVATE (pid 6061 command syz-executor.5)
[ 130.4410899] tap1: detached
[ 130.4510902] tap3: detached
[ 132.4310867] tap5: detached
[ 134.5810917] tap3: detached
[ 135.8410886] tap4: detached
[ 136.4910873] tap2: detached
[ 137.5710888] tap5: detached
[ 138.2110857] tap1: detached
[ 141.5110865] tap0: detached
[ 141.9510825] tap4: detached
[ 143.5310883] tap3: detached
[ 146.8399952] tap3: detached
[ 148.0094130] tap1: detached
[ 149.4686798] tap4: detached
[ 150.3982262] tap2: detached
[ 150.6580840] tap5: detached
[ 151.9674331] tap0: detached
[ 154.7560381] tap4: detached
[ 155.5356448] tap3: detached
[ 156.8150129] tap0: detached
[ 159.4037067] tap5: detached
[ 159.7635310] tap1: detached
[ 161.6625794] tap3: detached
[ 162.1423383] tap0: detached
[ 163.4716752] WARNING: module error: vfs load failed for `./file0', error 78
[ 165.1308467] tap4: detached
[ 166.5201471] WARNING: module error: vfs load failed for `./file0', error 78Size of accounting file not a multiple of 64 - incomplete record truncated

[ 166.7900098] WARNING: module error: vfs load failed for `./file0', error 78
[ 168.1593222] WARNING: defaulted mmap() share type to MAP_PRIVATE (pid 8617 command syz-executor.5)
[ 169.3187472] tap2: detached
[ 169.5586299] WARNING: module error: vfs load failed for `./file0', error 78
[ 170.4181966] tap4: detached
[ 170.6380874] tap0: detached
[ 171.7375366] tap5: detached
[ 172.6970624] WARNING: module error: vfs load failed for `./file0', error 78
[ 173.7765171] tap1: detached
[ 174.2462794] tap3: detached
[ 174.7060522] WARNING: module error: vfs load failed for `./file0', error 78
[ 176.3652202] tap4: detached
[ 177.1348336] tap0: detached
[ 177.2048160] tap5: detached
[ 177.6645689] WARNING: module error: [ 178.1743144] vfs load failed for `./file0', error 78
[ 180.0034006] WARNING: module error: vfs load failed for `./file0', error 78
[ 180.3032484] tap4: detached
[ 181.3327359] tap3: detached
[ 182.3922055] tap2: detached
[ 186.2202908] WARNING: defaulted mmap() share type to MAP_PRIVATE (pid 1275 command syz-executor.3)
[ 186.7400286] tap1: detached
[ 188.8689639] tap5: detached
[ 189.1988052] tap2: detached
[ 190.2382773] tap3: detached
[ 192.9269335] tap1: detached
[ 194.6360778] tap3: detached
[ 200.6530735] tap4: detached
[ 201.4726553] tap1: detached
[ 201.5326235] tap5: detached
[ 205.2207777] tap0: detached
[ 205.8004910] WARNING: defaulted mmap() share type to MAP_PRIVATE (pid 1761 command syz-executor.4)
serialport: VM disconnected.