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Notes about issue docbook_to_man_one_byte_delta in unstable

Identifier: docbook_to_man_one_byte_delta
Suites: stretch / buster / unstable / experimental
URL: https://bugs.debian.org/842635
Description: The package uses docbook-to-man;
the man page has a single byte that has a different value on both builds (in one build it has the correct value and in the other a garbage value);
the difference occurs on i386 but not on amd64 nor armhf.
.
Examples to date:
. 1st: "o" 0x6F, 2nd: " " 0x20 # 2nd is correct
. 1st: "\t" 0x9, 2nd: "I" 0x49 # 1st is correct
.
It's possible that there is more than one root cause here (i.e. multiple similar issues).
.
The tab issue is undefined behaviour in memcpy, see bug.
https://paste.debian.net/891000 seems to only actually break on i386 (tested on am64 -m32).
"\n\011" gets translated to " \111" (capital I), seemingly by complete coincidence.
.
Should be fixed in 1:2.0.0-36
Packages in 'unstable' known to be affected by this issue:
(the 1/4 most-popular ones (within this issue) are underlined)

unreproducible icon 1 unreproducible packages in unstable/amd64: seqan2#

reproducible icon 13 reproducible packages in unstable/amd64: dns-browse ensymble fatresize g3data goobox jaaa ode pubtal tigr-glimmer wikipediafs winpdb zerofree zoomer

 

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