https://bugs.kde.org/show_bug.cgi?id=402833
Bug ID: 402833
Summary: memcheck/tests/overlap testcase fails, memcpy seen as
memmove
Product: valgrind
Version: unspecified
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: memcheck
Assignee: jsew...@acm.org
Reporter: m...@klomp.org
Target Milestone: ---
With glibc 2.28 (and maybe earlier versions) on amd64 memcheck/tests/overlap
fails.
--- overlap.stderr.exp 2018-01-23 21:34:02.318995262 +0100
+++ overlap.stderr.out 2018-12-22 21:43:11.181679045 +0100
@@ -1,11 +1,3 @@
-Source and destination overlap in memcpy(0x........, 0x........, 21)
- at 0x........: memcpy (vg_replace_strmem.c:...)
- by 0x........: main (overlap.c:40)
-
-Source and destination overlap in memcpy(0x........, 0x........, 21)
- at 0x........: memcpy (vg_replace_strmem.c:...)
- by 0x........: main (overlap.c:42)
-
Source and destination overlap in strncpy(0x........, 0x........, 21)
at 0x........: strncpy (vg_replace_strmem.c:...)
by 0x........: main (overlap.c:45)
Looking at the REDIRS it might be caused by redirecting a memcpy variant to
memmove?
--38108-- REDIR: 0x48f0210 (libc.so.6:memmove) redirected to 0x482b1be
(_vgnU_ifunc_wrapper)
--38108-- REDIR: 0x48f0680 (libc.so.6:memcpy@@GLIBC_2.14) redirected to
0x482b1be (_vgnU_ifunc_wrapper)
--38108-- REDIR: 0x49c3b50 (libc.so.6:__memcpy_avx_unaligned_erms) redirected
to 0x483ca60 (memmove)
--
You are receiving this mail because:
You are watching all bug changes.
