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| author | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2021-02-25 14:49:58 +0000 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2021-03-26 10:43:51 +0000 |
| commit | 42cc96066b22ba065db11096c78881a55e45def4 (patch) | |
| tree | 806136a0e5fe76b6e811810f6626a11753260dca /malloc/reallocarray.c | |
| parent | 7759be2593b689cb1eafc0f52ee7f59c639e5d2f (diff) | |
| download | glibc-42cc96066b22ba065db11096c78881a55e45def4.tar.xz glibc-42cc96066b22ba065db11096c78881a55e45def4.zip | |
malloc: Fix a realloc crash with heap tagging [BZ 27468]
_int_free must be called with a chunk that has its tag reset. This was
missing in a rare case that could crash when heap tagging is enabled:
when in a multi-threaded process the current arena runs out of memory
during realloc, but another arena still has space to finish the realloc
then _int_free was called without clearing the user allocation tags.
Fixes bug 27468.
Reviewed-by: DJ Delorie <dj@redhat.com>
Diffstat (limited to 'malloc/reallocarray.c')
0 files changed, 0 insertions, 0 deletions