SEU-SSL issues

Results 5 issues of


                                            SEU-SSL

heap-buffer-overflow exists in the function main in swfdump.c

**System info** Ubuntu x86_64, clang 12.0.1 version: last commit 772e55a **Command line** ./swfdump poc **Poc** poc: [poc](https://github.com/SEU-SSL/Poc/raw/main/swftools/id_000056%2Csig_06%2Csrc_000143%2Cop_havoc%2Crep_64) **AddressSanitizer output** ==70045==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x604000000b00 at pc 0x00000042e479 bp 0x7ffdfd6b5570...

heap-buffer-overflow exists in the function handleEditText in swfdump.c

**System info** Ubuntu x86_64, clang 12.0.1 version: last commit 772e55a **Command line** ./swfdump poc **Poc** poc: [poc](https://github.com/SEU-SSL/Poc/raw/main/swftools/id_000053%2Csig_06%2Csrc_000130%2Cop_havoc%2Crep_16) **AddressSanitizer output** ==17968==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x6060000015b4 at pc 0x00000043a0eb bp 0x7fffc859e180...

stack-overflow exists in the function maybeParseGreedy in parser.cpp

**System info** Ubuntu x86_64, clang 12.0 version: jsonnetfmt-v0.20.0 **Command line** ./jsonnetfmt -i poc **Poc** poc:[poc](https://github.com/SEU-SSL/Poc/blob/main/jsonnet/id_000022%2Csig_11%2Csrc_009393%2B004501%2Cop_splice%2Crep_64) **AddressSanitizer output** ==2956134==ERROR: AddressSanitizer: stack-overflow on address 0x7fff529382e0 (pc 0x000000575bd4 bp 0x7fff5293a8b0 sp 0x7fff529381e0 T0)...

stack-overflow exists in the function parse in parser.cpp

**System info** Ubuntu x86_64, clang 12.0 version: jsonnetfmt-v0.20.0 **Command line** ./jsonnetfmt -i poc **Poc** poc:[poc](https://github.com/SEU-SSL/Poc/blob/main/jsonnet/id_000009%2Csig_11%2Csrc_005268%2B002519%2Cop_splice%2Crep_128) **AddressSanitizer output** ==2954021==ERROR: AddressSanitizer: stack-overflow on address 0x7fffb09d8fc0 (pc 0x00000056b647 bp 0x7fffb09da450 sp 0x7fffb09d8d80 T0)...

heap-buffer-overflow exists in the function bit_read_fixed in /src/bits.c

**System info** Ubuntu x86_64, clang 13.0.1 version: last commit https://github.com/LibreDWG/libredwg/commit/07c078aca71840f0f9a0dffb3032056d043858b0 **Command line** ./programs/dwg2dxf ./poc **Poc** poc: [poc](https://github.com/SEU-SSL/Poc/blob/main/libredwg/id_000000%2Csig_06%2Csrc_003350%2B007001%2Ctime_55827966%2Cexece_9692579%2Cop_splice%2Crep_2) **AddressSanitizer output** ==4125299==ERROR: AddressSanitizer: heap-buffer-overflow on address 0x602000000012 at pc 0x7fc49363558d bp 0x7ffda16f9180...