diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tools/valgrind.supp | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/tools/valgrind.supp b/src/tools/valgrind.supp index f0436789275..0c3cbbedafe 100644 --- a/src/tools/valgrind.supp +++ b/src/tools/valgrind.supp @@ -212,3 +212,39 @@ Memcheck:Cond fun:PyObject_Realloc } + +# wcsrtombs uses some clever optimizations internally, which to valgrind +# may look like access to uninitialized data. For example AVX2 instructions +# load data in 256-bit chunks, irrespectedly of wchar length. gconv does +# somethink similar by loading data in 32bit chunks and then shifting the +# data internally. Neither of those actually uses the uninitialized part +# of the buffer, as far as we know. +# +# https://www.postgresql.org/message-id/90ac0452-e907-e7a4-b3c8-15bd33780e62@2ndquadrant.com + +{ + wcsnlen_optimized + Memcheck:Cond + ... + fun:wcsrtombs + fun:wcstombs + fun:wchar2char +} + +{ + wcsnlen_optimized_addr32 + Memcheck:Addr32 + ... + fun:wcsrtombs + fun:wcstombs + fun:wchar2char +} + +{ + gconv_transform_internal + Memcheck:Cond + fun:__gconv_transform_internal_utf8 + fun:wcsrtombs + fun:wcstombs + fun:wchar2char +} |