[Bug binutils/31131] New: Potential Memory Leak in wrstabs.c

[1157401338 at qq dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=31131

            Bug ID: 31131
           Summary: Potential Memory Leak in wrstabs.c
           Product: binutils
           Version: 2.32
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: binutils
          Assignee: unassigned at sourceware dot org
          Reporter: 1157401338 at qq dot com
  Target Milestone: ---

Created attachment 15250
  --> https://sourceware.org/bugzilla/attachment.cgi?id=15250&action=edit
picture showing the potential bug

hi, i found a potential memory leak located in binutils/wrstabs.c, function
write_stabs_in_sections_debugging_info

step1: call xmalloc to allocate memory and store it in local variable "info"

steo2: there are several paths can leak the memory, for example, if the
expression in if-statement "if (! stab_write_symbol (&info, 0, 0, 0, (const
char *) NULL))" is true, then return False, and memory leaked.

i post a picture as an attachment to show the potential bug.

can you help to check whether this bug is true? thank you very much

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