Unexpected program panics detected by fuzzing #192
Description
Hi, when I used afl.rs to test the package, the fuzzer detected unexpected program panics, which I consider to be a bug.
Here is the example code:
extern crate ttf_parser;
fn _unwrap_option<T>(_opt: Option<T>) -> T {
match _opt {
Some(_t) => _t,
None => {
use std::process;
process::exit(0);
}
}
}
fn _to_u8(data:&[u8], index:usize)->u8 {
data[index]
}
fn _to_slice<T>(data:&[u8], start_index: usize, end_index: usize)->&[T] {
let data_slice = &data[start_index..end_index];
let (_, shorts, _) = unsafe {data_slice.align_to::<T>()};
shorts
}
fn _to_u16(data:&[u8], index:usize)->u16 {
let data0 = _to_u8(data, index) as u16;
let data1 = _to_u8(data, index+1) as u16;
data0 << 8 | data1
}
use ttf_parser::opentype_layout::LookupSubtable;
fn test_function8(_param0: &[u8] ,_param1: &[u8] ,_param2: u16) {
ttf_parser::svg::Table::parse(_param0);
let _local1 = ttf_parser::gpos::PositioningSubtable::parse(_param1 ,_param2);
let _local2_param0_helper1 = _unwrap_option(_local1);
ttf_parser::gpos::PositioningSubtable::coverage(&(_local2_param0_helper1));
}
fn _read_data()-> Vec<u8> {
use std::env;
use std::process::exit;
let args:Vec<String> = env::args().collect();
if args.len() < 2 {
println!("No crash filename provided");
exit(-1);
}
use std::path::PathBuf;
let crash_file_name = &args[1];
let crash_path = PathBuf::from(crash_file_name);
if !crash_path.is_file() {
println!("Not a valid crash file");
exit(-1);
}
use std::fs;
let data = fs::read(crash_path).unwrap();
data
}
fn main() {
let _content = _read_data();
let data = &_content;
println!("data = {:?}", data);
println!("data len = {:?}", data.len());
//actual body emit
if data.len() < 4 {return;}
let dynamic_length = (data.len() - 2) / 2;
let _param0 = _to_slice::<u8>(data, 2 + 0 * dynamic_length, 2 + 1 * dynamic_length);
let _param1 = _to_slice::<u8>(data, 2 + 1 * dynamic_length, data.len());
let _param2 = _to_u16(data, 0);
test_function8(_param0 ,_param1 ,_param2);
}The crash file is:
We can reproduce the crash by running the program with the crash file as the argument.
Here is the corresponding stack trace and panic message:
../ttf-parser/fuzz_target/ttf_parser_wubfs_generic_fuzz/multipleTargets/target/debug/replay_ttf_parser8 ../ttf-parser/fuzz_target/ttf_parser_wubfs_generic_fuzz/multipleTargets/out/test_ttf_parser8/default/crashes/id:000003,sig:06,src:000226,time:801144,execs:266259,op:flip1,pos:17
data = [0, 9, 0, 1, 0, 0, 0, 0, 1, 0, 9, 255, 0, 0, 0, 1, 0, 9, 0, 0, 0, 0, 1, 0, 0, 0, 0]
data len = 27
AddressSanitizer:DEADLYSIGNAL
=================================================================
==54065==ERROR: AddressSanitizer: stack-overflow on address 0x7fffff7fef88 (pc 0x5555556a765e bp 0x7fffff7ff0b0 sp 0x7fffff7fef80 T0)
#0 0x5555556a765e in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:973
#1 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#2 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#3 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#4 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#5 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#6 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#7 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#8 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#9 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#10 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#11 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#12 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#13 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#14 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#15 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#16 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#17 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#18 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#19 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#20 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#21 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#22 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#23 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#24 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#25 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#26 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#27 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#28 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#29 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#30 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#31 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#32 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#33 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#34 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#35 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#36 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#112 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#113 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#114 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#466 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#467 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#468 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#469 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#470 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#471 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#472 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#473 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#474 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#475 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#476 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#477 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#478 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#479 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#480 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#481 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#482 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#483 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#484 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#485 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#486 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#487 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#488 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#489 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#490 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#491 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#492 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#493 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#494 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#495 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#496 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#497 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#498 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#499 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#500 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#501 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#502 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#503 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#504 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#505 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#506 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#507 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#508 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#509 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#510 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#511 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#512 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#513 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#514 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#515 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#516 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#517 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#518 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#519 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#520 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#521 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#522 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#523 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#524 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#525 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#526 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#527 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#528 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#529 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#530 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#531 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
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#652 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#653 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#654 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#655 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#656 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#657 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#658 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#659 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#660 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#661 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#662 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#663 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#664 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#665 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#666 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#667 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#668 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#669 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#670 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#671 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#672 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#673 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#674 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#675 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#676 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#677 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#678 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#679 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#680 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#681 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#682 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#683 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#684 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#685 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#686 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#687 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#688 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#689 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#690 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#691 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#692 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#693 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#694 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#695 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#696 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#697 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#698 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#699 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#700 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#701 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#702 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#703 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#704 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#705 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#706 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#707 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#708 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#709 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#710 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#711 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#712 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#713 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#714 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#715 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#716 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#717 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#718 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#719 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#720 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#721 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#722 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#723 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#724 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#725 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#726 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#727 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#728 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#729 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#730 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#731 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#732 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#733 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#734 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#735 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
#736 0x5555556aa0ce in core::ops::function::FnOnce::call_once::h704832ebab66522e /fuzzing/rust/library/core/src/ops/function.rs:250:5
#737 0x5555556aa0ce in ttf_parser::ggg::lookup::parse_extension_lookup::h3bded494bccc6d69 ../ttf-parser/src/ggg/lookup.rs:161:13
#738 0x5555556aa0ce in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd ../ttf-parser/src/tables/gpos.rs:983:18
SUMMARY: AddressSanitizer: stack-overflow ../ttf-parser/src/tables/gpos.rs:973 in _$LT$ttf_parser..tables..gpos..PositioningSubtable$u20$as$u20$ttf_parser..ggg..lookup..LookupSubtable$GT$::parse::hf75741c79e492bbd
==54065==ABORTING
The rustc version is 1.76.0, the afl.rs version is 0.15.9, the package version is the latest.
Please check if these are real bugs that need to be fixed. Thanks!