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Author SHA1 Message Date
John Cupitt
c8ff970476 make jpeg buffer free safer 
possible race in free
 2019-08-27 09:14:59 +01:00
John Cupitt
f6cc2a9055 revise gifload delays array handling 
so pages and delay_length can't get out of sync, even with corrupt GIFs
 2019-08-26 11:35:26 +01:00
John Cupitt
3aed554fdb Merge branch '8.8' 2019-08-26 11:09:53 +01:00
John Cupitt
25e4577361 relax GIF parse rules again 
lots of GIFs are very badly structured :(
 2019-08-26 10:54:45 +01:00
John Cupitt
5749d60425 add a test case for /0 in exif read 2019-08-25 11:31:21 +01:00
John Cupitt
8c1377ebff Merge branch '8.8' 2019-08-25 11:30:14 +01:00
John Cupitt
db6e6a0076 catch /0 in exif read 2019-08-25 11:29:37 +01:00
John Cupitt
c7b402c0d6 Merge branch '8.8' 2019-08-24 18:51:11 +01:00
John Cupitt
6c525e144b handle eof better for buffer GIF 
Add the new eof handling to the memory reader.
 2019-08-24 18:49:56 +01:00
John Cupitt
9941490d9e add fuzz file for gif loop 2019-08-24 17:24:59 +01:00
John Cupitt
0dda54b1b5 merge 2019-08-24 17:17:45 +01:00
John Cupitt
691b5584d4 Merge branch '8.8' 2019-08-24 17:16:48 +01:00
John Cupitt
1ac96313cc note change in gifload.c 2019-08-24 17:16:28 +01:00
John Cupitt
23d0d5603d Merge branch '8.8' 2019-08-24 17:15:45 +01:00
John Cupitt
4691260540 better feof() handling in gif load 
Relaxing the read error rules made looping possible .. make sure we
always stop explicitly on eof.
 2019-08-24 17:14:10 +01:00
John Cupitt
77de39320a Merge branch '8.8' 2019-08-24 11:21:48 +01:00
John Cupitt
038409093f clip coding and interpretation on image read 
They could be out of bounds enums. This used not to matter, but we use
them more now, so out of bounds values can cause coredumps.
 2019-08-24 11:20:45 +01:00
John Cupitt
1b57c6d066 Merge branch '8.8' 2019-08-23 15:43:12 +01:00
John Cupitt
4b677fb16a make GIF parse less strict 
Some GIFs don't follow the standard very closely. Let them through.

See https://github.com/libvips/libvips/issues/1404
 2019-08-23 15:40:48 +01:00
John Cupitt
54ce3513fd add some corpus ascii files 
some sample images for the file loader
 2019-08-23 12:50:33 +01:00
John Cupitt
1de458556a try adding a file fuzzer 
oss-fuzz normally fuzzes with memory buffers, but a lot of the libvips
loadres, especially CSV and PPM, only work from the filesystem.

This fuzzer writes the oss-fuzz buffer to the FS, then fuzzes that.
 2019-08-23 12:43:59 +01:00
John Cupitt
81c92242d8 relax HEIC threshold 
libheic versions change rounding behaviour
 2019-08-21 17:42:25 +01:00
John Cupitt
19a80e4efb Merge branch '8.8' 2019-08-21 17:37:16 +01:00
John Cupitt
b5e8e99746 fix a read-one-byte-beyond issue in jpeg load 
libvips could harmlessly read beyond the end of a string with a crafted jpg
file
 2019-08-21 17:17:54 +01:00
John Cupitt
8f28fa625e restore switch/case test 
now that relational const is fixed up
 2019-08-21 16:51:01 +01:00
John Cupitt
fd25f13a2d add a test for the fix 2019-08-21 16:47:13 +01:00
John Cupitt
0b3ece5b42 new constants code now passes all tests 2019-08-21 16:36:18 +01:00
John Cupitt
ed2054dbbc revise arithmetic with const 
there's a problem with out of bounds values, for example:

	vips relational_const k2.jpg x.v equal 1000

actually finds pixels == 255, since 1000 is saturated converted to 255
before the test starts.

This patch reworks arithmetic against const values to fix this.
 2019-08-21 10:35:48 +01:00
John Cupitt
1de2947d51 Merge branch 'master' of github.com:libvips/libvips 2019-08-19 23:31:43 +01:00
John Cupitt
db49e82bda fix typo 2019-08-19 23:31:25 +01:00
John Cupitt
41efe3fb2d
Merge pull request #1399 from lovell/webp-verify-dimensions 
WebP loader: verify upper limit on dimensions in header
 2019-08-19 23:07:38 +01:00
John Cupitt
593b6f0d93 better /0 protection 2019-08-19 23:05:59 +01:00
Lovell Fuller
8d028420d5 WebP loader: verify upper limit on dimensions in header 2019-08-19 19:33:52 +01:00
John Cupitt
3614c4f4ef
Merge pull request #1398 from omira-sch/unify-fuzz-corpus 
move fuzzing corpus into a single dir
 2019-08-19 19:19:02 +01:00
Oscar Mira
a3466f305c move fuzzing corpus into a single dir 2019-08-19 19:54:56 +02:00
John Cupitt
c8296ecd15
Merge pull request #1397 from omira-sch/more-fuzzers 
add fuzzers for vips_smartcrop and vip_mosaic
 2019-08-19 18:21:58 +01:00
Oscar Mira
16a5cac2e3 add fuzzers for vips_smartcrop and vip_mosaic 2019-08-19 18:51:37 +02:00
John Cupitt
d70c431961 relax HEIC threshold 
argh rounding with different lib versions
 2019-08-19 16:44:32 +01:00
John Cupitt
2d0c21279a add tests 2019-08-19 16:27:44 +01:00
John Cupitt
daf578ca42 seems to work 
now a switch/case pair
 2019-08-18 16:35:28 +01:00
John Cupitt
1734284a9a Merge branch 'master' into add-mapimage 2019-08-17 14:55:45 +01:00
John Cupitt
fc17a79767 split into switch/case 
A neater solution! In Python it should be something like:

merge = pyvips.Image.switch([tests]).case([cases])

and should be efficient
 2019-08-17 14:51:55 +01:00
John Cupitt
45c847a96c more hacking 2019-08-17 12:57:01 +01:00
John Cupitt
6510e1ff30 hide a gcc warning 
gcc has an "unknown pragma" warning which triggers for clang pragmas we need to hide clang compiler warnings (!!)
 2019-08-16 13:24:25 +01:00
John Cupitt
282145ea61 Merge branch 'master' into add-mapimage 2019-08-15 12:22:38 +01:00
John Cupitt
6fa1b7cbf5 update README 2019-08-15 02:37:31 +01:00
John Cupitt
d80ce4bf15 fix a problem with shrinkv tail processing 
Tail processing in shrinkv had an implicit assumption of round-down, but of
course we round to nearest. Thanks angelmixu.

see https://github.com/libvips/libvips/issues/1396
 2019-08-13 11:21:01 +01:00
John Cupitt
32c0898b55 add oss-fuzz badge 2019-08-13 03:13:32 +01:00
John Cupitt
12371e68c2 start adding select 2019-08-13 03:04:33 +01:00
John Cupitt
d5634a918b start vips_case() 2019-08-11 19:11:17 +01:00