disk io error on arm64 system with 64KB pages

hi，I am using sqlite on an arm64 Linux machine. When the wal file exceeds 4096 pages, sqlite will report a disk io error. I checked and found that this is a problem caused by incorrect mmap parameters. In the case of 64KB page size, mmap is not aligned by page. During debugging, I saw that the _unixShmRegionPerMap function in sqlite/lib/sqlite_linux_arm64.go seems to be not working properly on arm64 machines. The result of pgsz is always 0. It seems to be a problem implemented in modernc.org/libc

func _unixShmRegionPerMap(tls *libc.TLS) (r int32) {

var pgsz, shmsz int32

_, _ = pgsz, shmsz shmsz = libc.Int32FromInt32(32) * libc.Int32FromInt32(1024) /* SHM region size */

pgsz = (*(*func(*libc.TLS) int32)(unsafe.Pointer(&struct{ uintptr }{_aSyscall[int32(25)].FpCurrent})))(tls) /* System page size */

_ = libc.Int32FromInt32(0) /* Page size must be a power of 2 */

if pgsz < shmsz {

return int32(1)

}

return pgsz / shmsz }