ioctl$FITRIM(0xffffffffffffffff, 0xc0185879, &(0x7f0000000040)={0x0, 0x0, 0x18b})
openat$tun(0xffffffffffffff9c, 0x0, 0x0, 0x0)
r0 = openat$full(0xffffffffffffff9c, &(0x7f0000000080), 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000ffe000/0x1000)=nil, 0x1000, 0x0, 0x10, 0xffffffffffffffff, 0x0)
r1 = openat$tun(0xffffffffffffff9c, &(0x7f0000000000), 0x0, 0x0)
ioctl$TUNSETIFF(r1, 0x400454ca, &(0x7f0000000040)={'netdevsim0\x00'})
dup2(r0, r1)
r2 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x42, 0x0)
pwrite64(r2, &(0x7f0000000140)=' ', 0x1, 0x99ad)
ioctl$TUNSETPERSIST(r1, 0x400454cb, 0x9)
futex(0x0, 0x3, 0x0, 0xfffffffffffffffe, 0x0, 0x0)
mmap$IORING_OFF_SQ_RING(&(0x7f0000ff9000/0x1000)=nil, 0x1000, 0x7, 0x13, r2, 0x0)
ioctl$TUNGETSNDBUF(r2, 0x800454d3, &(0x7f00000000c0))