r0 = openat(0xffffffffffffff9c, &(0x7f0000000100)='./file1\x00', 0x101042, 0x0)
flock(r0, 0x2)
setxattr$trusted_overlay_nlink(&(0x7f0000000080)='./file1\x00', &(0x7f00000000c0), 0x0, 0x0, 0x0)
fremovexattr(r0, &(0x7f0000000000)=@known='trusted.overlay.nlink\x00')