Fix #71263: fread() does not report bzip2.decompress errors

If the bzip2.decompress filter fails to decompress the stream, we raise
a notice instead of failing silently.

Author: cmb69

NEWS

@@ -21,6 +21,9 @@ PHP                                                                        NEWS
   . Fixed bug #79368 ("Unexpected end of file" is not an acceptable error
     message). (Alex Dowad)
 
+- BZ2:
+  . Fixed bug #71263 (fread() does not report bzip2.decompress errors). (cmb)
+
 - CURL:
   . Bumped required libcurl version to 7.29.0. (cmb)
 

ext/bz2/bz2_filter.c

@@ -123,6 +123,7 @@ static php_stream_filter_status_t php_bz2_decompress_filter(
 				}
 			} else if (status != BZ_OK) {
 				/* Something bad happened */
+				php_error_docref(NULL, E_NOTICE, "bzip2 decompression failed");
 				php_stream_bucket_delref(bucket);
 				return PSFS_ERR_FATAL;
 			}

ext/bz2/tests/bug71263.phpt

@@ -1,12 +1,10 @@
 --TEST--
-Bug #71263: fread() does not detects decoding errors from filter bzip2.decompress
+Bug #71263: fread() does not report bzip2.decompress errors
 --SKIPIF--
 <?php if (!extension_loaded("bz2")) print "skip bz2 extension not loaded"; ?>
 --FILE--
 <?php
 
-// Should notices be generated?
-
 function test($case) {
     $plain = "The quick brown fox jumps over the lazy dog.";
     $fn = "bug71263.bz2";
@@ -46,10 +44,14 @@ test(1);
 test(2);
 test(3);
 ?>
---EXPECT--
+--EXPECTF--
 Compressed len = 81
+
+Notice: fread(): bzip2 decompression failed in %s on line %d
 read: bool(false)
 Compressed len = 81
 read: string(0) ""
 Compressed len = 81
+
+Notice: fread(): bzip2 decompression failed in %s on line %d
 read: bool(false)