makefs(8) & broken iso9660 images
Alexander Best
arundel at freebsd.org
Wed Aug 10 20:05:42 UTC 2011
On Wed Aug 10 11, Test Rat wrote:
> A quick example
>
> $ mkdir -p q/a q/b q/c q/d
> $ touch q/a/foo.c q/b/foo.c q/c/foo.c q/d/foo.c
>
> $ makefs -t cd9660 q.iso q
> $ tar tf q.iso
> .
> A
> B
> A/FOO.C
> B/FOO.C
> C
> D
>
> $ mkisofs -quiet -o q.iso q
> $ tar tf q.iso
> .
> A
> B
> C
> D
> D/FOO.C
> C/FOO.C
> B/FOO.C
> A/FOO.C
>
> $ makefs -t cd9660 inc.iso /usr/include
> $ tar tvvf inc.iso
> tar: Invalid location of extent of file
> Archive Format: ISO9660, Compression: none
> tar: Error exit delayed from previous errors.
>
> $ mkisofs -quiet -o inc.iso /usr/include
> mkisofs: Symlink /usr/include/float.h ignored - continuing.
> mkisofs: Symlink /usr/include/syslog.h ignored - continuing.
> mkisofs: Symlink /usr/include/sched.h ignored - continuing.
> [...]
> $ tar tvvf inc.iso
> drwx------ 54 0 0 12288 Aug 10 15:26 .
> drwx------ 2 0 0 2048 Jun 14 01:40 NETATALK
> [...]
> -r-------- 1 0 0 6324 Jun 14 01:40 GSSAPI/GSSAPI_K.H
> Archive Format: ISO9660, Compression: none
>
> And for more real example grab a bootonly image from allbsd.org though
> official BETA1 would suffice, too, and try to extract kernel e.g.
>
> $ sha256 -q FreeBSD-9.0-HEAD-20110810-JPSNAP-bootonly.iso
> 9b8beabe007f88f85f3fc59dd1b40ce212132dde173e03d4a93d48a5477989a4
>
> $ tar tf FreeBSD-9.0-HEAD-20110810-JPSNAP-bootonly.iso | fgrep -i kernel
> [nothing]
> $ mount -t cd9660 /dev/$(mdconfig -f FreeBSD-9.0-HEAD-20110810-JPSNAP-bootonly.iso) /media
> $ ls -1 /media/boot/kernel
> aac.ko
> accf_data.ko
> accf_dns.ko
> accf_http.ko
> acpi_asus.ko
> acpi_dock.ko
> acpi_fujitsu.ko
> acpi_hp.ko
> acpi_ibm.ko
> acpi_panasonic.ko
> ^C
>
> And the following is probably known but doesn't happen with 8.2-RELEASE image.
>
> $ find /media/usr/include >/dev/null
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/basic_tree_policy: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/binary_heap_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/binomial_heap_base_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/bin_search_tree_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/cc_hash_table_map_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/eq_fn: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/gp_hash_table_map_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/hash_fn: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/left_child_next_sibling_heap_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/list_update_map_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/list_update_policy: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/ov_tree_map_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/pairing_heap_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/pat_trie_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/rb_tree_map_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/rc_binomial_heap_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/resize_policy: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/splay_tree_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/thin_heap_: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/tree_policy: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/trie_policy: Input/output error
> find: /media/usr/include/c++/4.2/ext/pb_ds/detail/unordered_iterator: Input/output error
>
> Am I alone in seeing this?
was this fixed by rr224762?
>
> --
> FreeBSD 9.0-BETA1 r224746M amd64, clang-built
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