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b0bc196e52
Most of these are cases where we could call memcpy() or other libc
functions with a NULL pointer and a zero count, which is forbidden
by POSIX even though every production version of libc allows it.
We've fixed such things before in a piecemeal way, but apparently
never made an effort to try to get them all. I don't claim that
this patch does so either, but it gets every failure I observe in
check-world, using clang 12.0.1 on current RHEL8.
numeric.c has a different issue that the sanitizer doesn't like:
"ln(-1.0)" will compute log10(0) and then try to assign the
resulting -Inf to an integer variable. We don't actually use the
result in such a case, so there's no live bug.
Back-patch to all supported branches, with the idea that we might
start running a buildfarm member that tests this case. This includes
back-patching
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| .. | ||
| expected | ||
| sql | ||
| .gitignore | ||
| blf.c | ||
| blf.h | ||
| crypt-blowfish.c | ||
| crypt-des.c | ||
| crypt-gensalt.c | ||
| crypt-md5.c | ||
| imath.c | ||
| imath.h | ||
| internal-sha2.c | ||
| internal.c | ||
| Makefile | ||
| mbuf.c | ||
| mbuf.h | ||
| openssl.c | ||
| pgcrypto--1.0--1.1.sql | ||
| pgcrypto--1.1--1.2.sql | ||
| pgcrypto--1.2--1.3.sql | ||
| pgcrypto--1.3.sql | ||
| pgcrypto.c | ||
| pgcrypto.control | ||
| pgcrypto.h | ||
| pgp-armor.c | ||
| pgp-cfb.c | ||
| pgp-compress.c | ||
| pgp-decrypt.c | ||
| pgp-encrypt.c | ||
| pgp-info.c | ||
| pgp-mpi-internal.c | ||
| pgp-mpi-openssl.c | ||
| pgp-mpi.c | ||
| pgp-pgsql.c | ||
| pgp-pubdec.c | ||
| pgp-pubenc.c | ||
| pgp-pubkey.c | ||
| pgp-s2k.c | ||
| pgp.c | ||
| pgp.h | ||
| px-crypt.c | ||
| px-crypt.h | ||
| px-hmac.c | ||
| px.c | ||
| px.h | ||
| rijndael.c | ||
| rijndael.h | ||
| rijndael.tbl | ||