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| -rw-r--r-- | open_issues/exec.mdwn | 84 |
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diff --git a/open_issues/exec.mdwn b/open_issues/exec.mdwn deleted file mode 100644 index 05deaa7a..00000000 --- a/open_issues/exec.mdwn +++ /dev/null @@ -1,84 +0,0 @@ -[[!meta copyright="Copyright © 2010, 2013 Free Software Foundation, Inc."]] - -[[!meta license="""[[!toggle id="license" text="GFDL 1.2+"]][[!toggleable -id="license" text="Permission is granted to copy, distribute and/or modify this -document under the terms of the GNU Free Documentation License, Version 1.2 or -any later version published by the Free Software Foundation; with no Invariant -Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license -is included in the section entitled [[GNU Free Documentation -License|/fdl]]."]]"""]] - -[[!tag open_issue_hurd]] - -[[!toc]] - - -# IRC, unknown channel, unknown date. - - <youpi> oh my, disabling gzip/bzip2 support makes apt preconfigure hang - <youpi> support in exec* I meant - - <youpi> now a funny bug: if I disable gzip/bzip2 support from exec - <youpi> trying to run a zero-byte file hangs - -Justus: This doesn't seem to be an issue anymore (2013-09-08): - - % touch empty - % chmod +x empty - % ./empty - zsh: exec format error: ./empty - % bash - $ ./empty - $ - -Also I've never encountered a problem with apt. - - -## IRC, freenode, #hurd, 2013-08-01 - - <teythoon> uh, all the non trivial exec server code has #ifdef'd BFD code - all over it and it looks like that isn't even used anymore - <teythoon> that's too bad actually, I figured out how to get the values - from BFD, not so for the other elf parser that is used instead - - -## IRC, freenode, #hurd, 2013-08-05 - - <teythoon> btw, there is a Debian bug concerning zipped executables. now - I'm not sure if I understood the problem, but gziped and bzip2ed - executables work for me - <teythoon> (not that I'm a big fan of that particular feature) - <youpi> iirc these somehow got fixed yes - <youpi> something like a previous out of bound access - <teythoon> the exec server contains lot's of code that is unused and - probably bit rot (#ifdef BFD) or otherwise ignored (#if 0) - <youpi> yes :/ - <teythoon> and there's gunzipping and bunzip2ing, which we probably don't - want anyway - <pinotree> why not? - <teythoon> we should strip all that from exec and start adding features - <teythoon> pinotree: b/c it's slow and the gain is questionable - <teythoon> it breaks mmapping the code in - <teythoon> exec/exec.c is huge (~2300 lines) and complex and it is an - essential server - <teythoon> and I wonder if the unzipping is done securely, e. g. if it's - not possible to crash exec with an maliciously compressed executable - - -## IRC, freenode, #hurd, 2013-09-12 - - <rekado> The zip code in hurd/exec/ looks really complicated; does it - really just unpack zipped files in memory (which could be replaced by - library calls) or is there something else going on? - <braunr> rekado: - http://lists.gnu.org/archive/html/bug-hurd/2013-08/msg00049.html - <rekado> braunr: interesting. Thanks. - <rekado> Does this mean that the "small hack entry" on the contributing - page to use libz and libbz2 in exec is no longer valid? - <braunr> probably - ---- - -May want to have a look at using BFD / libiberty/simpleobject. - -Justus: The BFD code has been removed from the exec server. |