diff options
Diffstat (limited to 'php-bug81726.patch')
| -rw-r--r-- | php-bug81726.patch | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/php-bug81726.patch b/php-bug81726.patch index 031fded..8984aa9 100644 --- a/php-bug81726.patch +++ b/php-bug81726.patch @@ -86,3 +86,62 @@ index 583ed453e6..c9928ecdcd 100644 continue; } +From f80e21336cc4dc37b6dc8808fec05a584c39d403 Mon Sep 17 00:00:00 2001 +From: "Christoph M. Becker" <cmbecker69@gmx.de> +Date: Tue, 27 Sep 2022 17:43:40 +0200 +Subject: [PATCH] Fix regression introduced by fixing bug 81726 + +When a tar phar is created, `phar_open_from_fp()` is also called, but +since the file has just been created, none of the format checks can +succeed, so we continue to loop, but must not check again for the +format. Therefore, we bring back the old `test` variable. + +Closes GH-9620. + +(cherry picked from commit 432bf196d59bcb661fcf9cb7029cea9b43f490af) +--- + ext/phar/phar.c | 7 +++++-- + 1 file changed, 5 insertions(+), 2 deletions(-) + +diff --git a/ext/phar/phar.c b/ext/phar/phar.c +index c9928ecdcd..f55e5fd4d8 100644 +--- a/ext/phar/phar.c ++++ b/ext/phar/phar.c +@@ -1584,7 +1584,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + const char zip_magic[] = "PK\x03\x04"; + const char gz_magic[] = "\x1f\x8b\x08"; + const char bz_magic[] = "BZh"; +- char *pos; ++ char *pos, test = '\0'; + int recursion_count = 3; // arbitrary limit to avoid too deep or even infinite recursion + const int window_size = 1024; + char buffer[1024 + sizeof(token)]; /* a 1024 byte window + the size of the halt_compiler token (moving window) */ +@@ -1613,7 +1613,8 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + MAPPHAR_ALLOC_FAIL("internal corruption of phar \"%s\" (truncated entry)") + } + +- if (recursion_count) { ++ if (!test && recursion_count) { ++ test = '\1'; + pos = buffer+tokenlen; + if (!memcmp(pos, gz_magic, 3)) { + char err = 0; +@@ -1673,6 +1674,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + compression = PHAR_FILE_COMPRESSED_GZ; + + /* now, start over */ ++ test = '\0'; + if (!--recursion_count) { + MAPPHAR_ALLOC_FAIL("unable to decompress gzipped phar archive \"%s\""); + break; +@@ -1714,6 +1716,7 @@ static int phar_open_from_fp(php_stream* fp, char *fname, int fname_len, char *a + compression = PHAR_FILE_COMPRESSED_BZ2; + + /* now, start over */ ++ test = '\0'; + if (!--recursion_count) { + MAPPHAR_ALLOC_FAIL("unable to decompress bzipped phar archive \"%s\""); + break; +-- +2.37.3 + |