diff options
| author | Richard Weinberger <richard@nod.at> | 2024-08-02 12:08:45 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2024-08-15 16:14:36 -0600 |
| commit | 0a10b49206a29b4aa2f80233a3e53ca0466bb0b3 (patch) | |
| tree | 6ea44a94335c94ccf6a0cebd2eea06680b165e6e /fs/ext4/ext4_write.c | |
| parent | 8642b2178d2c4002c99a0b69a845a48f2ae2706f (diff) | |
dlmalloc: Fix integer overflow in sbrk()
Make sure that the new break is within mem_malloc_start
and mem_malloc_end before making progress.
ulong new = old + increment; can overflow for extremely large
increment values and memset() can get wrongly called.
Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'fs/ext4/ext4_write.c')
0 files changed, 0 insertions, 0 deletions