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…ansformation. Fix php#23730 Importing a stylesheet from a php:function callback freed the stylesheet libxslt was still applying, and the transformation methods kept using the stale pointer to save the result. The transformation depth is now tracked on the object and importStylesheet() throws while it is non-zero. Close phpGH-23737
… callback. Fix php#23747 ZipArchive::close() called from a progress or cancel callback ran a nested zip_close() that failed, then zip_discard() freed the archive while the outer zip_close() from close() or open() was still using it. Track the close in progress and throw an Error from close() and open() meanwhile. Close phpGH-23749
…luation Reconstructing the object from a php:function callback freed the context libxml2 was still evaluating, and php_xpath_eval() wrote back into it once the evaluation returned. The evaluation depth is now tracked on the object and __construct() throws while it is non-zero. Close phpGH-23735
… during request activation) Closes phpGH-22568
The prompt parser ran as a do-while, so an empty cli.prompt executed the body on the terminator and scanned past it. Use a while loop and smart_str_extract(), which returns the interned empty string when nothing was appended. No regression test: extra unicode warnings from the over-read depend on heap contents, so a .phpt cannot pin the bug red-before. Closes phpGH-23415
init_process_info() memset the pointer parameter instead of the PROCESS_INFORMATION structure it points at, leaving the struct uninitialized before CreateProcessW(). Zero it through the pointer. find_comspec_nt() dereferences *comspec in its cleanup while the caller only assigns it on success, so a failed SearchPathW() read an indeterminate value. Initialize the caller's variable to NULL. set_proc_descriptor_to_blackhole() tested CreateFileA() against NULL, but CreateFileA() signals failure with INVALID_HANDLE_VALUE, so a failed open went undetected and an invalid handle was inherited by the child. Test against INVALID_HANDLE_VALUE. Closes phpGH-23412
…tructions with callable conversion Call level counter was broken: ZEND_CALLABLE_CONVERT was forgotten. Closes phpGH-23777.
The x86 matcher folds v = BINOP(a, b); c = CMP(v, 0); GUARD(c) into IR_GUARD_JCC_INT, emitting the BINOP, dropping the CMP and branching on the flags the BINOP left, but it only required the BINOP to precede the CMP in the IR. Once GCM hoists a loop-invariant BINOP into a dominating block, the jcc reads flags the intervening code has clobbered and the guard fires on whatever is in EFLAGS. Require the BINOP to sit in the guard's block and allow only snapshots between the comparison and the guard, the way ir_match_fuse_load() pairs ir_in_same_block() with ir_match_has_mem_deps(). The sibling MEM_BINOP fold already checks the block, the IF side folds are pinned by full ref adjacency, and ir_aarch64.dasc has no guard fold. Mirrors the upstream fix dstogov/ir@51107a3. Fixes phpGH-23693 Closes phpGH-23711
The answer loop read type, class, ttl, rdlength and weight with raw GETSHORT() after an unvalidated dn_skipname() advance, so a reply whose last record name ends at the end of the received data read up to about 12 bytes past the 64K querybuf stack union, with the weight reaching userland through the $weights array. Guard the fixed-size header fields the way php_parserr() already does; rdata skips stay bounded by the cp < end loop condition.
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Promoted upstream as php#23798. |
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dns_get_mx()'s answer loop read type/class/ttl/rdlength and weight via raw GETSHORT() after unvalidated dn_skipname() advances, so a reply whose last record name ends at the buffer end overran the 64K querybuf stack union by up to about 12 bytes. Checks mirroring php_parserr()'s CHECKCP(10)/CHECKCP(2) now guard those reads; rdata skips stay bounded by cp < end and dn_skipname()'s eom check. A sibling audit found every remaining GETSHORT()/dn_expand() walk inside guarded php_parserr(). No phpt ships since a red test would need an LD_PRELOAD resolver mock serving a truncated hostile reply.