10 years ago · 0b67ae4bb1
--- a/block.go
+++ b/block.go
@@ -74,7 +74,7 @@ func UncompressBlock(src, dst []byte, di int) (int, error) {
 
															 			return di, ErrInvalidSource
														
 
															 		}
														
 
															 		offset := int(src[si-2]) | int(src[si-1])<<8
														
 
															-		if di-offset < 0 {
														
 
															+		if di-offset < 0 || offset == 0 {
														
 
															 			return di - di0, ErrInvalidSource
														
 
															 		}
														
--- a/fuzz/.DS_Store
+++ b/fuzz/.DS_Store
--- a/fuzz/corpus/01572067d493db8dc8161f05c339a5192b0b4087-22
+++ b/fuzz/corpus/01572067d493db8dc8161f05c339a5192b0b4087-22
--- a/fuzz/corpus/02766f768fbfbd81b752cce427eb5242a44929cc-5
+++ b/fuzz/corpus/02766f768fbfbd81b752cce427eb5242a44929cc-5
--- a/fuzz/corpus/032f04032e12567057782672bb12670c20d38439-10
+++ b/fuzz/corpus/032f04032e12567057782672bb12670c20d38439-10
--- a/fuzz/corpus/0367b985641aca66e6e4eeea68acf5e2a02c62a8-16
+++ b/fuzz/corpus/0367b985641aca66e6e4eeea68acf5e2a02c62a8-16
--- a/fuzz/corpus/03e85abc49352b2f7cc83efd7e4274da02d78b84-6
+++ b/fuzz/corpus/03e85abc49352b2f7cc83efd7e4274da02d78b84-6
--- a/fuzz/corpus/049f82a81bb6b4d7cf69fac5e413f6ce299d48cf-8
+++ b/fuzz/corpus/049f82a81bb6b4d7cf69fac5e413f6ce299d48cf-8
--- a/fuzz/corpus/04c05c7956f17e57a91a47909bd0706135cf17a6-1
+++ b/fuzz/corpus/04c05c7956f17e57a91a47909bd0706135cf17a6-1
--- a/fuzz/corpus/050e2af2a57d8044139ba21375f0ac6fcb7ab0b1-12
+++ b/fuzz/corpus/050e2af2a57d8044139ba21375f0ac6fcb7ab0b1-12
--- a/fuzz/corpus/0547c73efb9b6a345fd9a52aa0798b48dd9aca62-2
+++ b/fuzz/corpus/0547c73efb9b6a345fd9a52aa0798b48dd9aca62-2
--- a/fuzz/corpus/05aae2cf8756f66066cf623618042ebaa92ec745-14
+++ b/fuzz/corpus/05aae2cf8756f66066cf623618042ebaa92ec745-14
--- a/fuzz/corpus/07fe3e792f0d2862dccc04db22c0e4aef4d41b49-6
+++ b/fuzz/corpus/07fe3e792f0d2862dccc04db22c0e4aef4d41b49-6
--- a/fuzz/corpus/0990ac54decbca1a97893e83c7feb2be89cb10ea-14
+++ b/fuzz/corpus/0990ac54decbca1a97893e83c7feb2be89cb10ea-14
--- a/fuzz/corpus/09f2eda28ecc97304659afded4d13a188baf2107-22
+++ b/fuzz/corpus/09f2eda28ecc97304659afded4d13a188baf2107-22
--- a/fuzz/corpus/0a4ff2ab3a01888686c5bc358b72be108bbb4721-16
+++ b/fuzz/corpus/0a4ff2ab3a01888686c5bc358b72be108bbb4721-16
--- a/fuzz/corpus/0a7fddf3c8aa1c781223748129c9dc0807de3a6b-28
+++ b/fuzz/corpus/0a7fddf3c8aa1c781223748129c9dc0807de3a6b-28
--- a/fuzz/corpus/0b5bec228930b2cfcda3be9a39107a6bc8044f1e-3
+++ b/fuzz/corpus/0b5bec228930b2cfcda3be9a39107a6bc8044f1e-3
--- a/fuzz/corpus/0ca5fd3841a6777873c7ef26f65a384e7b15d065-18
+++ b/fuzz/corpus/0ca5fd3841a6777873c7ef26f65a384e7b15d065-18
--- a/fuzz/corpus/0ce9c3bac93df0ea1f6343d223d5220f9eb2383a-8
+++ b/fuzz/corpus/0ce9c3bac93df0ea1f6343d223d5220f9eb2383a-8
--- a/fuzz/corpus/0cf885cd35e7124005b0ba0c3c4431ddfaeff84d-11
+++ b/fuzz/corpus/0cf885cd35e7124005b0ba0c3c4431ddfaeff84d-11
--- a/fuzz/corpus/0d7c02d4e91d82b0355baaca1237062639442db6-3
+++ b/fuzz/corpus/0d7c02d4e91d82b0355baaca1237062639442db6-3
@@ -0,0 +1 @@
 
															+"M@5
														
--- a/fuzz/corpus/0e1b2b0c49dfb86fe01d3453dd24e39482e132e8-7
+++ b/fuzz/corpus/0e1b2b0c49dfb86fe01d3453dd24e39482e132e8-7
--- a/fuzz/corpus/1.bz2
+++ b/fuzz/corpus/1.bz2
--- a/fuzz/corpus/10.bz2
+++ b/fuzz/corpus/10.bz2
--- a/fuzz/corpus/106b9d718c97bb7c872847d3070a570e99d9fa3e-22
+++ b/fuzz/corpus/106b9d718c97bb7c872847d3070a570e99d9fa3e-22
--- a/fuzz/corpus/10fa5d9f0fe75f73c0e92a1fe1c00f0041ec8f39-24
+++ b/fuzz/corpus/10fa5d9f0fe75f73c0e92a1fe1c00f0041ec8f39-24
--- a/fuzz/corpus/11.bz2
+++ b/fuzz/corpus/11.bz2
--- a/fuzz/corpus/113a12cbb28b83fcee714d58c35bbf52c0740e90-7
+++ b/fuzz/corpus/113a12cbb28b83fcee714d58c35bbf52c0740e90-7
--- a/fuzz/corpus/12.bz2
+++ b/fuzz/corpus/12.bz2
--- a/fuzz/corpus/1288161f8ce422490f63f257ce7338ef90fb8827-15
+++ b/fuzz/corpus/1288161f8ce422490f63f257ce7338ef90fb8827-15
--- a/fuzz/corpus/13.bz2
+++ b/fuzz/corpus/13.bz2
--- a/fuzz/corpus/136f7224ae337a61df2e72b80af8b1aaa5933af3-10
+++ b/fuzz/corpus/136f7224ae337a61df2e72b80af8b1aaa5933af3-10
--- a/fuzz/corpus/13c3c26f7a34d01fc89c92ca8ba2ba5ae430c225-16
+++ b/fuzz/corpus/13c3c26f7a34d01fc89c92ca8ba2ba5ae430c225-16
--- a/fuzz/corpus/13db64707d1ea3070b4a37b6c1291d6125acbbd3-10
+++ b/fuzz/corpus/13db64707d1ea3070b4a37b6c1291d6125acbbd3-10
--- a/fuzz/corpus/14.bz2
+++ b/fuzz/corpus/14.bz2
--- a/fuzz/corpus/14193748a7b6cda204b11d042a35635151e90dbb-20
+++ b/fuzz/corpus/14193748a7b6cda204b11d042a35635151e90dbb-20
--- a/fuzz/corpus/142d4f8cb427dd3562d72d889dfc0ea3a2b03d98-22
+++ b/fuzz/corpus/142d4f8cb427dd3562d72d889dfc0ea3a2b03d98-22
--- a/fuzz/corpus/15.bz2
+++ b/fuzz/corpus/15.bz2
--- a/fuzz/corpus/15663b854e9a4f193502ea6463dae38b4d8fca90-19
+++ b/fuzz/corpus/15663b854e9a4f193502ea6463dae38b4d8fca90-19
--- a/fuzz/corpus/15e223354eb5378a7ee74a41dfab28ffc895ca33-1
+++ b/fuzz/corpus/15e223354eb5378a7ee74a41dfab28ffc895ca33-1
--- a/fuzz/corpus/16.bz2
+++ b/fuzz/corpus/16.bz2
--- a/fuzz/corpus/17.bz2
+++ b/fuzz/corpus/17.bz2
--- a/fuzz/corpus/177c1c68fead4507aa47dd2455fd17a10ceda5ea-1
+++ b/fuzz/corpus/177c1c68fead4507aa47dd2455fd17a10ceda5ea-1
--- a/fuzz/corpus/18.bz2
+++ b/fuzz/corpus/18.bz2
--- a/fuzz/corpus/180a2772b126d31abcb3ef692a14b13cf47f103e-17
+++ b/fuzz/corpus/180a2772b126d31abcb3ef692a14b13cf47f103e-17
--- a/fuzz/corpus/19.bz2
+++ b/fuzz/corpus/19.bz2
--- a/fuzz/corpus/191e0dd24b8c7f8babeae4839768df39acc17eb1-17
+++ b/fuzz/corpus/191e0dd24b8c7f8babeae4839768df39acc17eb1-17
--- a/fuzz/corpus/1a582381781f264f551bd6f0f2284a931147e6d9-4
+++ b/fuzz/corpus/1a582381781f264f551bd6f0f2284a931147e6d9-4
--- a/fuzz/corpus/1c2781a1ffae4059ce3e93a55ec8d8cbf8bdecdf-22
+++ b/fuzz/corpus/1c2781a1ffae4059ce3e93a55ec8d8cbf8bdecdf-22
--- a/fuzz/corpus/1d37fb332301cf7de0bd51a8c1aa9be4935e89fc-1
+++ b/fuzz/corpus/1d37fb332301cf7de0bd51a8c1aa9be4935e89fc-1
@@ -0,0 +1 @@
 
															+"M
														
--- a/fuzz/corpus/1d6b87b52e62cb84be834478ad88129f5e1f247b-9
+++ b/fuzz/corpus/1d6b87b52e62cb84be834478ad88129f5e1f247b-9
--- a/fuzz/corpus/1ec2f11a8d8b9cf188a58f673a0b4a8608a926ca-3
+++ b/fuzz/corpus/1ec2f11a8d8b9cf188a58f673a0b4a8608a926ca-3
@@ -0,0 +1 @@
 
															+"M3
														
--- a/fuzz/corpus/1fc2ba0bb981fec47badea1c80219452c9e3c76c-22
+++ b/fuzz/corpus/1fc2ba0bb981fec47badea1c80219452c9e3c76c-22
--- a/fuzz/corpus/1fd8444ac43541c44a1c6ed8df2f688b1fa09681-1
+++ b/fuzz/corpus/1fd8444ac43541c44a1c6ed8df2f688b1fa09681-1
--- a/fuzz/corpus/2.bz2
+++ b/fuzz/corpus/2.bz2
--- a/fuzz/corpus/20.bz2
+++ b/fuzz/corpus/20.bz2
--- a/fuzz/corpus/202a9c8b188cae90f29bce3bf0438a035c504eb4-20
+++ b/fuzz/corpus/202a9c8b188cae90f29bce3bf0438a035c504eb4-20
--- a/fuzz/corpus/20cf0057443ecb322ff1169ecbe6cf20250f15af-13
+++ b/fuzz/corpus/20cf0057443ecb322ff1169ecbe6cf20250f15af-13
--- a/fuzz/corpus/20d1a26afe563ad77e7a95fbee6ff59ebf3e61ab-13
+++ b/fuzz/corpus/20d1a26afe563ad77e7a95fbee6ff59ebf3e61ab-13
--- a/fuzz/corpus/21.bz2
+++ b/fuzz/corpus/21.bz2
--- a/fuzz/corpus/22.bz2
+++ b/fuzz/corpus/22.bz2
--- a/fuzz/corpus/2201e32d052c15874f0323a09c330f3666029a72-1
+++ b/fuzz/corpus/2201e32d052c15874f0323a09c330f3666029a72-1
--- a/fuzz/corpus/226780b32ba8f87ec614fdb376aa0884011c4ca9-17
+++ b/fuzz/corpus/226780b32ba8f87ec614fdb376aa0884011c4ca9-17
--- a/fuzz/corpus/22897c61698649d7570de91613afdc19b66e6965-20
+++ b/fuzz/corpus/22897c61698649d7570de91613afdc19b66e6965-20
--- a/fuzz/corpus/23.bz2
+++ b/fuzz/corpus/23.bz2
--- a/fuzz/corpus/234cc427d9be32470f3c2e11a6bc16567f558e55-22
+++ b/fuzz/corpus/234cc427d9be32470f3c2e11a6bc16567f558e55-22
--- a/fuzz/corpus/24.bz2
+++ b/fuzz/corpus/24.bz2
--- a/fuzz/corpus/2486a84bf0f161f45b050d9c19ea9e35f5def864-8
+++ b/fuzz/corpus/2486a84bf0f161f45b050d9c19ea9e35f5def864-8
--- a/fuzz/corpus/25.bz2
+++ b/fuzz/corpus/25.bz2
--- a/fuzz/corpus/25252b16cd4afa8ef86122448688c7095684c86b-12
+++ b/fuzz/corpus/25252b16cd4afa8ef86122448688c7095684c86b-12
--- a/fuzz/corpus/26.bz2
+++ b/fuzz/corpus/26.bz2
--- a/fuzz/corpus/263fb3d738b862ec4050e5a9fbabfbd99cb0d9a5-16
+++ b/fuzz/corpus/263fb3d738b862ec4050e5a9fbabfbd99cb0d9a5-16
--- a/fuzz/corpus/27.bz2
+++ b/fuzz/corpus/27.bz2
--- a/fuzz/corpus/276580343a14eec04143e89a778dae3e14df472c-17
+++ b/fuzz/corpus/276580343a14eec04143e89a778dae3e14df472c-17
--- a/fuzz/corpus/27fb5dc4016dc640e55a60719a222c38c604fa6b-2
+++ b/fuzz/corpus/27fb5dc4016dc640e55a60719a222c38c604fa6b-2
--- a/fuzz/corpus/28.bz2
+++ b/fuzz/corpus/28.bz2
--- a/fuzz/corpus/29.bz2
+++ b/fuzz/corpus/29.bz2
--- a/fuzz/corpus/2a08d7c56ff9959698688f19ddd2e1e4d4651270-3
+++ b/fuzz/corpus/2a08d7c56ff9959698688f19ddd2e1e4d4651270-3
@@ -0,0 +1 @@
 
															+"M1A
														
--- a/fuzz/corpus/2a33d8514fb512aa20b0a56800cd3e12f3952b6b-26
+++ b/fuzz/corpus/2a33d8514fb512aa20b0a56800cd3e12f3952b6b-26
--- a/fuzz/corpus/2a52400dd3aa2d2a40657d1e51c47c1929912927-3
+++ b/fuzz/corpus/2a52400dd3aa2d2a40657d1e51c47c1929912927-3
--- a/fuzz/corpus/2ab005ac79cd4dada693dd2a747c001898d45e1e-16
+++ b/fuzz/corpus/2ab005ac79cd4dada693dd2a747c001898d45e1e-16
--- a/fuzz/corpus/2b39aa66ecfac58e61185c9664a968233931496a-9
+++ b/fuzz/corpus/2b39aa66ecfac58e61185c9664a968233931496a-9
@@ -0,0 +1 @@
 
															+"MM@"ｩｽｿ�+[ﾔ
														
--- a/fuzz/corpus/2c2a5947341d76797a7e2299f39d01e3aebb2eb8-19
+++ b/fuzz/corpus/2c2a5947341d76797a7e2299f39d01e3aebb2eb8-19
--- a/fuzz/corpus/2cc2308b75a2e8f7eafcf69370767e5fce314892-13
+++ b/fuzz/corpus/2cc2308b75a2e8f7eafcf69370767e5fce314892-13
--- a/fuzz/corpus/2cdafdadb156e2759c389b6b8edf6a402034886c-26
+++ b/fuzz/corpus/2cdafdadb156e2759c389b6b8edf6a402034886c-26
--- a/fuzz/corpus/2d7f0171116eec9984eaa9138e1312e90a7d67ee-1
+++ b/fuzz/corpus/2d7f0171116eec9984eaa9138e1312e90a7d67ee-1
--- a/fuzz/corpus/2de93224b5f0db491ced1ec491a9f41d71820671-11
+++ b/fuzz/corpus/2de93224b5f0db491ced1ec491a9f41d71820671-11
--- a/fuzz/corpus/2e8487cf61feda70c0d74f12bfb5b692b684f82a-9
+++ b/fuzz/corpus/2e8487cf61feda70c0d74f12bfb5b692b684f82a-9
--- a/fuzz/corpus/2f0ee9cf4bb951a37efc6460d5709442bc3de54e-6
+++ b/fuzz/corpus/2f0ee9cf4bb951a37efc6460d5709442bc3de54e-6
--- a/fuzz/corpus/2f1ba7fe1cd90a4023706a2ea9c7c9dca8128119-30
+++ b/fuzz/corpus/2f1ba7fe1cd90a4023706a2ea9c7c9dca8128119-30
--- a/fuzz/corpus/2fad20024167a500cdb8df5334a614f113efae00-20
+++ b/fuzz/corpus/2fad20024167a500cdb8df5334a614f113efae00-20
--- a/fuzz/corpus/3.bz2
+++ b/fuzz/corpus/3.bz2
--- a/fuzz/corpus/30.bz2
+++ b/fuzz/corpus/30.bz2
--- a/fuzz/corpus/300579a548d96d64c9da8470efa15e787f1a36f1-28
+++ b/fuzz/corpus/300579a548d96d64c9da8470efa15e787f1a36f1-28
--- a/fuzz/corpus/31.bz2
+++ b/fuzz/corpus/31.bz2
--- a/fuzz/corpus/32.bz2
+++ b/fuzz/corpus/32.bz2
--- a/fuzz/corpus/33.bz2
+++ b/fuzz/corpus/33.bz2
--- a/fuzz/corpus/34.bz2
+++ b/fuzz/corpus/34.bz2
--- a/fuzz/corpus/35.bz2
+++ b/fuzz/corpus/35.bz2