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30 lines
1.1 KiB

commit 273cdee86d86e107c0eecef5614f57e37567b54e
Author: Andreas Schwab <schwab@suse.de>
Date: Tue Jan 15 16:39:07 2013 +0100
Fix invalid free of memory allocated during rtld init
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 013efdb3814700d3..6a0005da502c8f37 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -822,6 +822,9 @@ _dl_init_paths (const char *llp)
(const void *) (D_PTR (l, l_info[DT_STRTAB])
+ l->l_info[DT_RUNPATH]->d_un.d_val),
l, "RUNPATH");
+ /* During rtld init the memory is allocated by the stub malloc,
+ prevent any attempt to free it by the normal malloc. */
+ l->l_runpath_dirs.malloced = 0;
/* The RPATH is ignored. */
l->l_rpath_dirs.dirs = (void *) -1;
@@ -838,6 +841,9 @@ _dl_init_paths (const char *llp)
(const void *) (D_PTR (l, l_info[DT_STRTAB])
+ l->l_info[DT_RPATH]->d_un.d_val),
l, "RPATH");
+ /* During rtld init the memory is allocated by the stub
+ malloc, prevent any attempt to free it by the normal
+ malloc. */
l->l_rpath_dirs.malloced = 0;
}
else