Michael Paquier 7d64419f80 xml2: Fix failure with xslt_process() under -fsanitize=undefined ... The logic of xslt_process() has never considered the fact that xsltSaveResultToString() would return NULL for an empty string (the upstream code has always done so, with a string length of 0). This would cause memcpy() to be called with a NULL pointer, something forbidden by POSIX. Like 46ab07ffda and similar fixes, this is backpatched down to all the supported branches, with a test case to cover this scenario. An empty string has been always returned in xml2 in this case, based on the history of the module, so this is an old issue. Reported-by: Alexander Lakhin <exclusion@gmail.com> Discussion: https://postgr.es/m/c516a0d9-4406-47e3-9087-5ca5176ebcf9@gmail.com Backpatch-through: 14		2026-03-13 16:06:28 +09:00
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xml2.out	xml2: Fix failure with xslt_process() under -fsanitize=undefined	2026-03-13 16:06:28 +09:00
xml2_1.out	xml2: Fix failure with xslt_process() under -fsanitize=undefined	2026-03-13 16:06:28 +09:00