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commit b3bee76c5f59498b9c189608f0a3132e2013fa1a
Author: Florian Weimer <fweimer@redhat.com>
Date: Fri Dec 8 09:51:34 2023 +0100
elf: Initialize GLRO(dl_lazy) before relocating libc in dynamic startup
GLRO(dl_lazy) is used to set the parameters for the early
_dl_relocate_object call, so the consider_profiling setting has to
be applied before the call.
Fixes commit 78ca44da0160a0b442f0ca1f253e3360f044b2ec ("elf: Relocate
libc.so early during startup and dlmopen (bug 31083)").
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Conflicts:
elf/rtld.c
(prelink was removed upstream)
diff --git a/elf/rtld.c b/elf/rtld.c
index a638d14e77745baa..d973c385b312ea16 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -2427,14 +2427,14 @@ dl_main (const ElfW(Phdr) *phdr,
int consider_profiling = GLRO(dl_profile) != NULL;
+ /* If we are profiling we also must do lazy reloaction. */
+ GLRO(dl_lazy) |= consider_profiling;
+
if (GL(dl_ns)[LM_ID_BASE].libc_map != NULL)
_dl_relocate_object (GL(dl_ns)[LM_ID_BASE].libc_map,
GL(dl_ns)[LM_ID_BASE].libc_map->l_scope,
GLRO(dl_lazy) ? RTLD_LAZY : 0, consider_profiling);
- /* If we are profiling we also must do lazy reloaction. */
- GLRO(dl_lazy) |= consider_profiling;
-
RTLD_TIMING_VAR (start);
rtld_timer_start (&start);
unsigned i = main_map->l_searchlist.r_nlist;