[Bug uprobes/34301] user string copy fault -14...near 'user_string_n' at /usr/share/systemtap/tapset/uconversions.stp:128:10

fche at redhat dot com sourceware-bugzilla@sourceware.org
Thu Jun 18 17:30:52 GMT 2026


https://sourceware.org/bugzilla/show_bug.cgi?id=34301

Frank Ch. Eigler <fche at redhat dot com> changed:

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                 CC|                            |fche at redhat dot com

--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
The "error::fault" man page gives some explanation of the possibilities.  Some
of these are benign.

A little greater verbosity on stap -p2, e.g. stap --vp 04000 .... would tell us
where systemtap thinks it can find each $context variable, and one can compare
that against a "readelf -w" dwarf dump of the
/usr/lib/apache2/modules/libphp.so file's debuginfo (use debuginfod-find if
needed).

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