I sent a log of redirect information to both Paul and John since the log was
too large was mailing list.
I wonder what would be the preferred public sharing site for such a purpose
these days.
The preferred way is to create a bug report, attach the large file to the bug
report,
then post the URL of the bug report in a message to the mailing list.
Begin at https://valgrind.org/ . In the left nav, click on "Bug Reports", and
follow
the directions on the resulting page.
143:39.43 GECKO(115765) ==115769== Invalid read of size 8
143:39.64 GECKO(115765) ==115769== at 0x4021BF4: strncmp (strcmp.S:175)
143:39.64 GECKO(115765) ==115769== by 0x400655D: is_dst (dl-load.c:214)
This indicates that 'strncmp' should be re-directed from ld-linux-x86-64.so.2:
=====
diff --git a/shared/vg_replace_strmem.c b/shared/vg_replace_strmem.c
index 3b42b3a87..8272a3ae7 100644
--- a/shared/vg_replace_strmem.c
+++ b/shared/vg_replace_strmem.c
@@ -710,6 +710,7 @@ static inline void my_exit ( int x )
STRNCMP(VG_Z_LIBC_SONAME, __GI_strncmp)
STRNCMP(VG_Z_LIBC_SONAME, __strncmp_sse2)
STRNCMP(VG_Z_LIBC_SONAME, __strncmp_sse42)
+ STRNCMP("ld-linux*.so*", strncmp)
#elif defined(VGO_freebsd)
STRNCMP(VG_Z_LIBC_SONAME, strncmp)
=====
For instance, such a change is relevant to glibc-2.33-21.fc34.x86_64:
$ readelf --all /lib64/ld-linux-x86-64.so.2 | grep strncmp
1706: 0000000000022d30 6233 FUNC LOCAL DEFAULT 13 strncmp
$
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