Fwiw, I took a little closer look at the squashfs code. I still don't
quite understand it, but I sprinkled some printk()'s and got a better
idea of what is happening.
With a root.squashfs of 6428672 bytes, we get the error in a call:
squashfs_read_data(sb=(ptrval),index=0,length=6427986,next_index=16777224,output=
(null))
it enters the loop at fs/squashfs/block.c:122 with b=0; bytes=-338; length=8;
cur_index=0
for (b = 0; bytes < length; b++, cur_index++) {
bh[b] = sb_getblk(sb, cur_index);
if (bh[b] == NULL)
goto block_release;
sb_getblk() must return NULL, because it goes to block_release and falls
through to print the error message and exits with an error.
--
Russell Senior, President
[email protected]
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