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4d4fad6819
* gnu/packages/php.scm (php): Update to 8.2.2. * gnu/packages/patches/php-curl-compat.patch: Remove file. * gnu/packages/patches/php-bug-74093-test.patch: Remove file. * gnu/packages/patches/php-fix-streams-copy-length.patch: New file. * gnu/local.mk (dist_patch_DATA): Remove them. Add it.
52 lines
1.8 KiB
Diff
52 lines
1.8 KiB
Diff
From cddcc10becb013ae498ea9c2836792f407b61678 Mon Sep 17 00:00:00 2001
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From: Julien Lepiller <julien@lepiller.eu>
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Date: Tue, 7 Feb 2023 22:55:59 +0100
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Subject: [PATCH] Fix file corruption when using copy_file_range.
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This patch is adapted from https://github.com/php/php-src/pull/10440.
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---
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main/streams/streams.c | 21 +++++++++++++++++----
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1 file changed, 17 insertions(+), 4 deletions(-)
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diff --git a/main/streams/streams.c b/main/streams/streams.c
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index 20029fc7..68dc76c5 100644
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--- a/main/streams/streams.c
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+++ b/main/streams/streams.c
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@@ -1634,8 +1634,21 @@ PHPAPI zend_result _php_stream_copy_to_stream_ex(php_stream *src, php_stream *de
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char *p;
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do {
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- size_t chunk_size = (maxlen == 0 || maxlen > PHP_STREAM_MMAP_MAX) ? PHP_STREAM_MMAP_MAX : maxlen;
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- size_t mapped;
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+ /* We must not modify maxlen here, because otherwise the file copy fallback below can fail */
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+ size_t chunk_size, must_read, mapped;
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+ if (maxlen == 0) {
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+ /* Unlimited read */
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+ must_read = chunk_size = PHP_STREAM_MMAP_MAX;
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+ } else {
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+ must_read = maxlen - haveread;
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+ if (must_read >= PHP_STREAM_MMAP_MAX) {
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+ chunk_size = PHP_STREAM_MMAP_MAX;
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+ } else {
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+ /* In case the length we still have to read from the file could be smaller than the file size,
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+ * chunk_size must not get bigger the size we're trying to read. */
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+ chunk_size = must_read;
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+ }
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+ }
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p = php_stream_mmap_range(src, php_stream_tell(src), chunk_size, PHP_STREAM_MAP_MODE_SHARED_READONLY, &mapped);
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@@ -1667,8 +1680,8 @@ PHPAPI zend_result _php_stream_copy_to_stream_ex(php_stream *src, php_stream *de
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return SUCCESS;
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}
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if (maxlen != 0) {
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- maxlen -= mapped;
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- if (maxlen == 0) {
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+ must_read -= mapped;
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+ if (must_read == 0) {
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return SUCCESS;
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}
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}
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--
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2.38.1
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