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elf: Do not run constructors for proxy objects

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Otherwise, the ld.so constructor runs for each audit namespace
and each dlmopen namespace.

(cherry picked from commit f6c8204fd7)
This commit is contained in:
Florian Weimer 2023-08-22 13:56:25 +02:00
parent b6c7135576
commit f33ffef089
1 changed files with 6 additions and 2 deletions
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8
elf/dl-init.c
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@ -25,10 +25,14 @@
static void static void
call_init (struct link_map *l, int argc, char **argv, char **env) call_init (struct link_map *l, int argc, char **argv, char **env)
{ {
/* Do not run constructors for proxy objects. */
if (l != l->l_real)
return;
/* If the object has not been relocated, this is a bug. The /* If the object has not been relocated, this is a bug. The
function pointers are invalid in this case. (Executables do not function pointers are invalid in this case. (Executables do not
need relocation, and neither do proxy objects.) */ need relocation.) */
assert (l->l_real->l_relocated || l->l_real->l_type == lt_executable); assert (l->l_relocated || l->l_type == lt_executable);
if (l->l_init_called) if (l->l_init_called)
/* This object is all done. */ /* This object is all done. */