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From: "adhemerval.zanella at linaro dot org"
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To: glibc-bugs@sourceware.org
Subject: [Bug dynamic-link/29187] New: [regression] broken argv adjustment
 for nios2
Date: Thu, 26 May 2022 16:33:45 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D29187

            Bug ID: 29187
           Summary: [regression] broken argv adjustment for nios2
           Product: glibc
           Version: 2.36
            Status: NEW
          Severity: normal
          Priority: P2
         Component: dynamic-link
          Assignee: unassigned at sourceware dot org
          Reporter: adhemerval.zanella at linaro dot org
  Target Milestone: ---

With ad43cac44a6860eaefcadadfb2acb349921e96bf:

$ cat test.c
#include <stdio.h>

int main (int argc, char *argv[])
{
  for (int i =3D 0; i < argc; i++)
    printf ("argv[%d]=3D%s\n", i, argv[i]);
  return 0;
}
$ qemu-nios2 elf/ld.so --library-path . ./test 1 2 3 4
argv[0]=3D./test
argv[1]=3D1
argv[2]=3D2
argv[3]=3D3
argv[4]=3D4


With 86147bbeec25624cb26bb7646cdbc3a49bc56bf5 (rtld: Remove DL_ARGV_NOT_REL=
RO
and make _dl_skip_args const):

$ qemu-nios2 elf/ld.so --library-path . ./test 1 2 3 4
qemu: uncaught target signal 11 (Segmentation fault) - core dumped
Segmentation fault (core dumped)

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