Bug#849280: say 'incompatible binary version', not "not found"
On Sat, Dec 24, 2016 at 09:39:30PM +0800, 積丹尼 Dan Jacobson wrote:
> Please give a more correct message, like 'incompatible binary version'.
> Returning a not found error to shells is just plain misleading.
>
> $ set who who2
> $ for i in 'ls -l ' 'file ' './'; do $i$1; $i$2; done
> -rwxr-xr-x 1 jidanni jidanni 51092 12-09 22:08 who
> -rwxr-xr-x 1 jidanni jidanni 52168 12-09 22:08 who2
> who: ELF 32-bit LSB shared object, Intel 80386, version 1 (SYSV), dynamically linked, interpreter /lib/ld-linux.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=91f94a82b58bc7a63525c4ff35e43f9dbbe29caa, stripped
> who2: ELF 64-bit LSB shared object, x86-64, version 1 (SYSV), dynamically linked, interpreter /lib64/ld-linux-x86-64.so.2, for GNU/Linux 2.6.32, BuildID[sha1]=2d07a0c30c834741b64bda8289fa557fa1e1a876, stripped
> bash: ./who: No such file or directory
> jidanni pts/0 2016-12-24 18:02 (:0)
> $ uname -r
> 4.8.0-2-amd64
> $ ./wwww #same messages as when something that really isn't there:
> bash: ./wwww: No such file or directory
> $ ./who
> dash: 2: ./who: not found
Does /lib/ld-linux.so.2 exist on your system? If not, the error
message is correct. The kernel just knows that the interpreter given
in the executable does not exist, it cannot give a more meaningful
error message because lack of knowledge.
Greetings
Marc
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