tar: corrupted octal value in tar header

[Denys Vlasenko]

On Sunday 20 September 2009 11:02, Peter Renzland wrote:
> On 09  Sep 19, at 20:32 , Denys Vlasenko wrote:
> 
> > On Sunday 20 September 2009 01:04, Peter Renzland wrote:
> >> I am attaching a file: snow.tar
> 

> The closest thing appears to be scripts/defconfig:

> defconfig

> which appears to have the identical tar configs, i.e. all turned on.

It would be much easier if you would actually send your .config -
with defconfig it works.

If you switch off FEATURE_TAR_OLDGNU_COMPATIBILITY, then it will fail:

# ./busybox tar tf /tmp/snow.tar
tar: corrupted octal value in tar header

> Can someone please explain what is meant by "corrupted octal value",  
> in this context?
> What is this message trying to say?

The message is saying that "000644 " is not a valid octal number -
it has trailing space.

00000000  73 6e 6f 77 00 00 00 00  00 00 00 00 00 00 00 00  |snow............|
00000010  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000020  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000030  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000040  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000050  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000060  00 00 00 00 30 30 30 36  34 34 20 00 30 30 30 37  |....000644 .0007|
00000070  36 35 20 00 30 30 30 30  32 34 20 00 30 30 30 30  |65 .000024 .0000|
00000080  30 30 30 30 30 31 35 20  31 31 32 35 35 31 36 34  |0000015 11255164|
00000090  30 34 34 20 30 31 32 32  34 37 00 20 30 00 00 00  |044 012247. 0...|
000000a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000000f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000100  00 75 73 74 61 72 00 30  30 70 65 74 65 72 00 00  |.ustar.00peter..|
00000110  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000120  00 00 00 00 00 00 00 00  00 73 74 61 66 66 00 00  |.........staff..|
00000130  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000140  00 00 00 00 00 00 00 00  00 30 30 30 30 30 30 20  |.........000000 |
00000150  00 30 30 30 30 30 30 20  00 00 00 00 00 00 00 00  |.000000 ........|
00000160  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000170  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000180  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000190  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001a0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001b0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001c0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001d0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001e0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
000001f0  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000200  48 65 6c 6c 6f 20 57 6f  72 6c 64 21 0a 00 00 00  |Hello World!....|
...

--
vda