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Tom Lane 81eaaf65e3 Handle zero-length sublist correctly in Python -> SQL array conversion. ... If PLySequence_ToArray came across a zero-length sublist, it'd compute the overall array size as zero, possibly leading to a memory clobber. (This would likely qualify as a security bug, were it not that plpython is an untrusted language already.) I think there are other corner-case issues in this code as well, notably that the error messages don't match the core code and for some ranges of array sizes you'd get "invalid memory alloc request size" rather than the intended message about array size. Really this code has no business doing its own array size calculation at all, so remove the faulty code in favor of using ArrayGetNItems(). Per bug #17912 from Alexander Lakhin. Bug seems to have come in with commit 94aceed31, so back-patch to all supported branches. Discussion: https://postgr.es/m/17912-82ceed78731d9cdc@postgresql.org		2 years ago
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backend	Fix crashes with CREATE SCHEMA AUTHORIZATION and schema elements	2 years ago
bin	Rework code defining default compression for dir/custom formats in pg_dump	2 years ago
common	Introduce PG_IO_ALIGN_SIZE and align all I/O buffers.	2 years ago
fe_utils	Revert refactoring of restore command code to shell_restore.c	3 years ago
include	Fix crashes with CREATE SCHEMA AUTHORIZATION and schema elements	2 years ago
interfaces	Remove duplicate lines of code	2 years ago
makefiles	Use --strip-unneeded when stripping static libraries with GNU strip.	2 years ago
pl	Handle zero-length sublist correctly in Python -> SQL array conversion.	2 years ago
port	Fix various typos	2 years ago
template	Use unnamed POSIX semaphores on Cygwin.	3 years ago
test	Fix crashes with CREATE SCHEMA AUTHORIZATION and schema elements	2 years ago
timezone	Update time zone data files to tzdata release 2023c.	2 years ago
tools	Doc: update pgindent/README some more.	2 years ago
tutorial	Remove useless casts to (void *) in arguments of some system functions	3 years ago
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DEVELOPERS	…
Makefile	Integrate pg_bsd_indent into our build/test infrastructure.	3 years ago
Makefile.global.in	Update Unicode data to CLDR 43	2 years ago
Makefile.shlib	autoconf: Rely on ar supporting index creation	3 years ago
meson.build	Integrate pg_bsd_indent into our build/test infrastructure.	3 years ago
nls-global.mk	Fix for make unportability	3 years ago