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authorSzabolcs Nagy <szabolcs.nagy@arm.com>2021-03-12 09:46:15 +0000
committerSzabolcs Nagy <szabolcs.nagy@arm.com>2021-03-26 11:03:06 +0000
commit14652f60a425458ad6e8eefdae6ff4003124b321 (patch)
tree585549e5e30c83366c92c17681ad0b69ff2ca78a /malloc
parentfaf003ed8de7c1b1b4794ae15c90241825caeea4 (diff)
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malloc: Use different tag after mremap
The comment explained why different tag is used after mremap, but
for that correctly tagged pointer should be passed to tag_new_usable.
Use chunk2mem to get the tag.

Reviewed-by: DJ Delorie <dj@redhat.com>
Diffstat (limited to 'malloc')
-rw-r--r--malloc/malloc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c
index a2c550df06..ebcf1ff960 100644
--- a/malloc/malloc.c
+++ b/malloc/malloc.c
@@ -3411,7 +3411,7 @@ __libc_realloc (void *oldmem, size_t bytes)
       newp = mremap_chunk (oldp, nb);
       if (newp)
 	{
-	  void *newmem = chunk2rawmem (newp);
+	  void *newmem = chunk2mem (newp);
 	  /* Give the new block a different tag.  This helps to ensure
 	     that stale handles to the previous mapping are not
 	     reused.  There's a performance hit for both us and the