1 /* Generated by fuzzing - test block_open handling in deflate_quick(). */
2
3 #include "zbuild.h"
4 #ifdef ZLIB_COMPAT
5 # include "zlib.h"
6 #else
7 # include "zlib-ng.h"
8 #endif
9
10 #include <stdio.h>
11 #include <stdlib.h>
12 #include <string.h>
13
14 #include "test_shared.h"
15
16 #include <gtest/gtest.h>
17
TEST(deflate_quick,block_open)18 TEST(deflate_quick, block_open) {
19 PREFIX3(stream) strm;
20 int err;
21
22 memset(&strm, 0, sizeof(strm));
23 err = PREFIX(deflateInit2)(&strm, 1, Z_DEFLATED, -15, 1, Z_FILTERED);
24 EXPECT_EQ(err, Z_OK);
25
26 z_const unsigned char next_in[495] =
27 "\x1d\x1d\x00\x00\x00\x4a\x4a\x4a\xaf\xaf\xaf\xaf\x4a\x4a\x4a\x4a"
28 "\x3f\x3e\xaf\xff\xff\xff\x11\xff\xff\xff\xff\xdf\x00\x00\x00\x01"
29 "\x3f\x7d\x00\x50\x00\x00\xc8\x01\x2b\x60\xc8\x00\x24\x06\xff\xff"
30 "\x4a\x4e\x4a\x7d\xc8\x01\xf1\x2b\x28\xb2\xb2\x60\x25\xc8\x06\x00"
31 "\x00\x00\x31\x00\x01\xb2\xb2\xb2\xff\xff\xfd\xb2\xb2\x40\xff\x7d"
32 "\x3b\x34\x3e\xff\xff\x4a\x4a\x01\xf1\xff\x02\xff\x3f\xff\x02\xff"
33 "\xff\xff\xbf\x0a\xff\x00\x01\x3f\xb3\xff\x26\x00\x00\x13\x00\xc8"
34 "\x3e\x3e\x3e\x4a\x76\x4a\x4a\x2e\x7d\x3e\x3e\x3e\x3e\x1d\x1d\x1d"
35 "\xfe\xea\xef\x80\x01\x00\x00\x40\x00\x00\xba\x00\x06\xfa\xb9\x11"
36 "\xbf\x98\xee\x45\x7e\x04\x00\xff\xff\xff\x67\xc3\xc3\xc3\xc3\x00"
37 "\x1d\x1d\xe1\xe3\x00\xc3\x1d\x98\x1d\x1d\x1d\x1d\x1d\x00\x00\x00"
38 "\x02\x00\x00\x00\xe8\x00\x00\x1d\x1d\x1d\xfa\x1e\x12\xff\xff\xff"
39 "\x00\x01\xa7\xff\xff\xff\x1d\x1d\x1d\x63\xff\xff\xff\x1f\x00\x00"
40 "\x10\x40\x00\x00\xad\xff\xff\x3f\x51\x00\xf8\xff\xff\x8a\x01\x05"
41 "\x00\x00\x03\x00\x00\xff\x00\x00\x00\x05\x40\x1f\x08\x0a\x00\xff"
42 "\xff\x01\x00\x12\x00\x00\x01\x00\x3f\x40\x1d\x1d\x1d\x1d\x1d\x1d"
43 "\x21\x00\x1d\x00\x00\x00\xe4\x00\x00\x00\x07\x00\x00\xe6\xe6\x34"
44 "\xe6\xe6\xe6\xe6\xff\x2b\xee\x1d\x1d\x1d\x93\x1d\x1d\x1d\xee\x2b"
45 "\xee\x01\x81\x1d\x00\x00\x58\x00\x00\x01\x14\x00\x1b\x00\x00\x2c"
46 "\x00\x00\x00\xdb\x00\x45\x7e\x00\x00\x00\xfb\xbd\x00\x06\x21\xd3"
47 "\x00\xff\xff\xff\xff\xff\x00\x49\x49\xc9\x49\x3d\x00\x34\x01\x00"
48 "\x00\x6a\x2b\x00\x00\x50\x40\xf0\xf0\xf0\xf0\xa3\xa3\xa3\xa3\xf0"
49 "\xf0\x06\xfa\xa9\x01\x10\xbf\x98\x9d\x2b\xee\x2d\x21\x01\xdb\x00"
50 "\x45\x10\x00\x00\x7e\x00\x00\xe7\x00\xff\xff\x00\xf6\x00\x00\x00"
51 "\xf9\x00\x00\x00\x11\x00\x00\x00\xe2\x00\x00\x00\x2d\x00\x00\x00"
52 "\x2f\x00\x3f\x54\x1d\x1d\x1d\x4c\x4c\x4c\x4c\x2a\x4c\x4c\x10\xff"
53 "\xff\x1a\x00\x00\x01\xff\x00\xff\xf9\x00\x3f\x53\xcc\xcc\xcc\xcc"
54 "\x6e\x00\x00\x01\xf8\xff\xff\xff\x49\x04\x2c\x01\x00\x1d\x00\x07"
55 "\x01\xff\x00\x00\x00\xf8\xff\x09\x00\x27\x00\x08\x21\x1c\x00\x00"
56 "\x00\x00\x1d\x05\x00\x00\x00\x2c\x53\x3f\x00\x01\x00\x00\xe6\xff"
57 "\xff\xff\x6a\x2b\xee\xe6\x6a\x2b\xee\x2b\xee\xee\x2b\xee";
58 strm.next_in = next_in;
59 unsigned char next_out[1116];
60 strm.next_out = next_out;
61
62 strm.avail_in = sizeof(next_in);
63 while (1) {
64 strm.avail_out = (uint32_t)(next_out + sizeof(next_out) - strm.next_out);
65 if (strm.avail_out > 38)
66 strm.avail_out = 38;
67 err = PREFIX(deflate)(&strm, Z_FINISH);
68 if (err == Z_STREAM_END)
69 break;
70 EXPECT_EQ(err, Z_OK);
71 }
72 uint32_t compressed_size = (uint32_t)(strm.next_out - next_out);
73
74 err = PREFIX(deflateEnd)(&strm);
75 EXPECT_EQ(err, Z_OK);
76
77 memset(&strm, 0, sizeof(strm));
78 err = PREFIX(inflateInit2)(&strm, -15);
79 EXPECT_EQ(err, Z_OK);
80
81 strm.next_in = next_out;
82 strm.avail_in = compressed_size;
83 unsigned char uncompressed[sizeof(next_in)];
84 strm.next_out = uncompressed;
85 strm.avail_out = sizeof(uncompressed);
86
87 err = PREFIX(inflate)(&strm, Z_NO_FLUSH);
88 EXPECT_EQ(err, Z_STREAM_END);
89
90 err = PREFIX(inflateEnd)(&strm);
91 EXPECT_EQ(err, Z_OK);
92
93 EXPECT_TRUE(memcmp(uncompressed, next_in, sizeof(uncompressed)) == 0);
94 }
95