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util/nvmutil: check overflow in io_args

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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Leah Rowe
2026-03-13 17:52:23 +00:00
parent e64b9b3e15
commit 5287a80a7e
1 changed files with 3 additions and 0 deletions
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3
util/nvmutil/nvmutil.c
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@@ -1761,6 +1761,9 @@ io_args(int fd, void *mem, size_t nrw,
if (off < 0 || off >= gbe_file_size)
goto err_io_args;
if ((off_t)(off + nrw) > gbe_file_size)
goto err_io_args;
if (nrw > GBE_PART_SIZE)
goto err_io_args;