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[Bug libc/20326] Segment fault in execvpe.c


https://sourceware.org/bugzilla/show_bug.cgi?id=20326

--- Comment #2 from n0va8o.lau at gmail dot com ---
[----------------------------------registers-----------------------------------]
RAX: 0x7ffff7dd3f98 --> 0x7fffffffddf8 --> 0x7fffffffe1db
("LC_PAPER=zh_CN.UTF-8")
RBX: 0x0 
RCX: 0x0 
RDX: 0x7fffffffddf8 --> 0x7fffffffe1db ("LC_PAPER=zh_CN.UTF-8")
RSI: 0x0 
RDI: 0x0 
RBP: 0x400550 (<__libc_csu_init>:       push   r15)
RSP: 0x7fffffffdd10 --> 0x0 
RIP: 0x7ffff7a2e830 (<__libc_start_main+240>:   mov    edi,eax)
R8 : 0x4005c0 (<__libc_csu_fini>:       repz ret)
R9 : 0x7ffff7de78e0 (<_dl_fini>:        push   rbp)
R10: 0x5b3 
R11: 0x7ffff7ada140 (<__GI_execvp>:     mov    rax,QWORD PTR [rip+0x2f6d71]    
   # 0x7ffff7dd0eb8)
R12: 0x400430 (<_start>:        xor    ebp,ebp)
R13: 0x7fffffffdde0 --> 0x1 
R14: 0x0 
R15: 0x0
EFLAGS: 0x10206 (carry PARITY adjust zero sign trap INTERRUPT direction
overflow)
[-------------------------------------code-------------------------------------]
   0x7ffff7a2e826 <__libc_start_main+230>:      mov    rdx,QWORD PTR [rax]
   0x7ffff7a2e829 <__libc_start_main+233>:      mov    rax,QWORD PTR [rsp+0x18]
   0x7ffff7a2e82e <__libc_start_main+238>:      call   rax
=> 0x7ffff7a2e830 <__libc_start_main+240>:      mov    edi,eax
   0x7ffff7a2e832 <__libc_start_main+242>:      call   0x7ffff7a48020
<__GI_exit>
   0x7ffff7a2e837 <__libc_start_main+247>:      xor    edx,edx
   0x7ffff7a2e839 <__libc_start_main+249>:      jmp    0x7ffff7a2e779
<__libc_start_main+57>
   0x7ffff7a2e83e <__libc_start_main+254>:      mov    rax,QWORD PTR
[rip+0x3a7f2b]        # 0x7ffff7dd6770 <__libc_pthread_functions+400>
[------------------------------------stack-------------------------------------]
0000| 0x7fffffffdd10 --> 0x0 
0008| 0x7fffffffdd18 --> 0x7fffffffdde8 --> 0x7fffffffe192
("/home/mk/Tools/TriforceLinuxSyscallFuzzer/crash_reports/report_ipt/a.out")
0016| 0x7fffffffdd20 --> 0x1f7ffcca0 
0024| 0x7fffffffdd28 --> 0x400526 (<main>:      push   rbp)
0032| 0x7fffffffdd30 --> 0x0 
0040| 0x7fffffffdd38 --> 0x81beeee78893a0ca 
0048| 0x7fffffffdd40 --> 0x400430 (<_start>:    xor    ebp,ebp)
0056| 0x7fffffffdd48 --> 0x7fffffffdde0 --> 0x1 
[------------------------------------------------------------------------------]
Legend: code, data, rodata, value
Stopped reason: SIGSEGV

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