CVE-2021-45831: Null Pointer Dereference in __strlen_avx2 () · Issue #1990 · gpac/gpac

I re-checked the software version and running information, it seems that the bug still exists

Version

MP4Box - GPAC version 1.1.0-DEV-rev1566-gaa906eefd-master
(c) 2000-2021 Telecom Paris distributed under LGPL v2.1+ - http://gpac.io

Please cite our work in your research:
    GPAC Filters: https://doi.org/10.1145/3339825.3394929
    GPAC: https://doi.org/10.1145/1291233.1291452

GPAC Configuration: 
Features: GPAC_CONFIG_LINUX GPAC_64_BITS GPAC_HAS_IPV6 GPAC_HAS_SSL GPAC_HAS_SOCK_UN GPAC_MINIMAL_ODF GPAC_HAS_QJS GPAC_HAS_JPEG GPAC_HAS_PNG GPAC_HAS_LINUX_DVB  

Result

[1]    1742533 segmentation fault  ./MP4Box -bt ~/POC1

GDB information

Program received signal SIGSEGV, Segmentation fault.
[----------------------------------registers-----------------------------------]
RAX: 0x7ffff7851530 (<gf_svg_dump_attribute+688>:   lea    rdi,[rip+0x5a40bf]        # 0x7ffff7df55f6)
RBX: 0x7fffffff71e0 --> 0x450000004a ('J')
RCX: 0x0 
RDX: 0x0 
RSI: 0x7fffffff71e0 --> 0x450000004a ('J')
RDI: 0x0 
RBP: 0x0 
RSP: 0x7fffffff6908 --> 0x7ffff755a503 (<__GI___strdup+19>: lea    r12,[rax+0x1])
RIP: 0x7ffff7643675 (<__strlen_avx2+21>:    vpcmpeqb ymm1,ymm0,YMMWORD PTR [rdi])
R8 : 0x1 
R9 : 0x15 
R10: 0x7ffff7e307db --> 0x253a73252f3c0022 ('"')
R11: 0x5555555f25c0 --> 0x5555555f25e0 --> 0x0 
R12: 0x5555555f4990 --> 0x1 
R13: 0x5555555f4990 --> 0x1 
R14: 0x5 
R15: 0x5555555f47e0 --> 0x5555555f4800 --> 0x300010430
EFLAGS: 0x10283 (CARRY parity adjust zero SIGN trap INTERRUPT direction overflow)
[-------------------------------------code-------------------------------------]
   0x7ffff764366d <__strlen_avx2+13>:   and    ecx,0x3f
   0x7ffff7643670 <__strlen_avx2+16>:   cmp    ecx,0x20
   0x7ffff7643673 <__strlen_avx2+19>:   ja     0x7ffff76436a0 <__strlen_avx2+64>
=> 0x7ffff7643675 <__strlen_avx2+21>:   vpcmpeqb ymm1,ymm0,YMMWORD PTR [rdi]
   0x7ffff7643679 <__strlen_avx2+25>:   vpmovmskb eax,ymm1
   0x7ffff764367d <__strlen_avx2+29>:   test   eax,eax
   0x7ffff764367f <__strlen_avx2+31>:   jne    0x7ffff7643770 <__strlen_avx2+272>
   0x7ffff7643685 <__strlen_avx2+37>:   add    rdi,0x20
[------------------------------------stack-------------------------------------]
0000| 0x7fffffff6908 --> 0x7ffff755a503 (<__GI___strdup+19>:    lea    r12,[rax+0x1])
0008| 0x7fffffff6910 --> 0x0 
0016| 0x7fffffff6918 --> 0x5555555f47e0 --> 0x5555555f4800 --> 0x300010430 
0024| 0x7fffffff6920 --> 0x5555555f4990 --> 0x1 
0032| 0x7fffffff6928 --> 0x7ffff7851545 (<gf_svg_dump_attribute+709>:   mov    r13,rax)
0040| 0x7fffffff6930 --> 0x0 
0048| 0x7fffffff6938 --> 0x0 
0056| 0x7fffffff6940 --> 0x0 
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV
__strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
65  ../sysdeps/x86_64/multiarch/strlen-avx2.S: No such file or directory.
gdb-peda$ bt
#0  __strlen_avx2 () at ../sysdeps/x86_64/multiarch/strlen-avx2.S:65
#1  0x00007ffff755a503 in __GI___strdup (s=0x0) at strdup.c:41
#2  0x00007ffff7851545 in gf_svg_dump_attribute () from /home/zxq/CVE_testing/sourceproject/gpac2/gpac/bin/gcc/libgpac.so.10
#3  0x00007ffff7a497f2 in gf_dump_svg_element () from /home/zxq/CVE_testing/sourceproject/gpac2/gpac/bin/gcc/libgpac.so.10
#4  0x00007ffff7a4a9c0 in gf_sm_dump_command_list () from /home/zxq/CVE_testing/sourceproject/gpac2/gpac/bin/gcc/libgpac.so.10
#5  0x00007ffff7a5174d in gf_sm_dump () from /home/zxq/CVE_testing/sourceproject/gpac2/gpac/bin/gcc/libgpac.so.10
#6  0x0000555555585418 in dump_isom_scene ()
#7  0x000055555557c42c in mp4boxMain ()
#8  0x00007ffff74df0b3 in __libc_start_main (main=0x55555556d420 <main>, argc=0x3, argv=0x7fffffffe318, init=<optimized out>, fini=<optimized out>, rtld_fini=<optimized out>, 
    stack_end=0x7fffffffe308) at ../csu/libc-start.c:308
#9  0x000055555556d45e in _start ()