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18 Commits

Author SHA1 Message Date
James Zern
cbf624b561 advanced_api_fuzzer: reduce scaling limit 
avoids another timeout while fuzzing with ASan

Change-Id: Ibd89e56bf936aeea040cd4c47ccae20960417ac0
 2023-03-24 10:52:46 -07:00
yguyon@google.com
89edfdd1e9 Skip slow scaling in libwebp advanced_api_fuzzer 
Change-Id: Ic57e7f8418afec42f042197a401aaf4cc047b23f
 2023-03-24 10:52:43 -07:00
yguyon@google.com
859f19f74f Reduce libwebp advanced_api_fuzzer threshold 
To avoid timeouts.

Change-Id: I8909661479cdbcb940bb44c6f9130906cab3f271
 2023-03-24 10:52:40 -07:00
Yannis Guyon
1347a32d82 Skip big scaled advanced_api_fuzzer 
To avoid timeouts.

Change-Id: I8f04fd45313bef47004a616d2460be992692030d
 2023-02-08 10:53:40 +01:00
Yannis Guyon
52b6f06703 Fix scaling limit in advanced_api_fuzzer.c 
config.options.scaled_width or config.options.scaled_height being 0
means a ratio-conservative scaling so 7361842 was not enough.

Change-Id: Ib75241eb683cf824bc46222c5c07535b6c6d7313
 2023-02-07 18:05:42 +01:00
Yannis Guyon
7361842839 Limit scaling in libwebp advanced_api_fuzzer.c 
Change-Id: Ic1e3fdc76f4bdcb1ac68cf4f9334d2e77ca29374
 2023-01-27 14:39:14 +01:00
Maryla
9d7ff74a55 Create libsharpyuv.a in makefile.unix. 
Add libsharpyuv dependency to fuzzer makefile.

Issue: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49778

Change-Id: Ib03219de33a97c3d7b13d0daffbee2035f2a3bde
 2022-08-08 09:40:34 +02:00
James Zern
c5bc36243a fuzzer/*: normalize src/ includes 
this uses the format introduced to some files in:
cc3577e9 fuzzer/*: use src/ based include paths

Change-Id: I9b5cbeadbb9d54d1e89f474a6e479a5eb3175ed7
 2021-07-28 13:32:19 -07:00
James Zern
b60d460318 advanced_api_fuzzer: add extreme config value coverage 
this enables cases that might trigger overflows, but increases the risk
of OOM and timeouts

Bug: chromium:1196850
Change-Id: I317b5109525646731e762faa3c34ed28a27595dc
 2021-06-23 18:53:05 -07:00
James Zern
cc3577e9b9 fuzzer/*: use src/ based include paths 
this synchronizes the code with chrome, where this format allows the
code to pass buildtools/checkdeps/checkdeps.py

Bug: 1141126
Change-Id: I25361b1a43cd95730814302f02aa16af8fdb5fd2
 2021-01-29 20:04:08 -08:00
Pascal Massimino
8df77fb1b1 animdecoder_fuzzer: fix memory leak 
BUG=oss-fuzz:28978

Change-Id: I7b3a495c02b4b03f367d732af5acb02856f8bead
 2020-12-26 12:26:41 +01:00
James Zern
6325882327 animdecoder_fuzzer: validate canvas size 
avoids some OOMs due to extreme resolutions

BUG=oss-fuzz:28658

Change-Id: I60b5fb3d7a7d17694a89237d521b851b0897e9fb
 2020-12-18 11:18:11 -08:00
James Zern
83604bf3ac {animencoder,enc_dec}_fuzzer: convert some abort()s to returns 
with functions that can legitimately fail when under memory pressure the
fuzzer should exit gracefully rather than abort().

+ add some more error detail to output

Bug: chromium:1140448
Change-Id: I1a8582a939e0a5b2b8631c95c0464658c99063e2
 2020-10-21 10:48:05 -07:00
James Zern
9f6055fcb2 fuzz_utils.h: rename max() to Max() 
avoids conflict with windows.h define

Bug: webp:409
Change-Id: I8ae0947365e7071d8ebe1d682c9211882cc2fd89
 2020-10-17 16:40:58 -07:00
James Zern
695788e7f5 fuzz_utils.h: make functions WEBP_INLINE 
+ add some warnings and avoid overriding implicit %.c, %.cc patterns in
makefile.unix

Bug: webp:409
Change-Id: I678c8b1ed630ebb9114208c20b794d2eefdca5a1
 2020-10-17 10:49:26 -07:00
James Zern
8cb7e536d2 rename demux_api_fuzzer.c -> mux_demux_api_fuzzer.c 
this better matches the file's contents

Bug: webp:409
Change-Id: I693795370c0d1af198971693b4ff15a57d996c4b
 2020-10-15 16:50:25 -07:00
James Zern
443db47d91 add animdecoder_fuzzer.cc 
Bug: webp:409
Change-Id: Iade1e6b1288faad9076f72c21c1bde5a6bbfc7e0
 2020-10-14 19:44:19 -07:00
James Zern
bd94090a11 import fuzzers from oss-fuzz/chromium 
+ a simple makefile + README

these were mostly equivalent, chromium added support for
WEBP_REDUCE_CSP.

the file names were normalized as follows:

fuzz_advanced_api.{c,cc} -> advanced_api_fuzzer.c
fuzz_animation_api.{c,cc} -> animation_api_fuzzer.c
fuzz_webp_animencoder.cc -> animencoder_fuzzer.cc
fuzz_demux_api.{c,cc} -> demux_api_fuzzer.c
fuzz_webp_enc_dec.cc -> enc_dec_fuzzer.cc
fuzz.h -> fuzz_utils.h
fuzz_simple_api.{c,cc} -> simple_api_fuzzer.c

Bug: webp:409
Change-Id: Ib997f0c92f25f8a1f91da83790298cd848b61a5d
 2020-10-13 18:31:08 -07:00