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util/nvmutil: check null pointer in io_args

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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Leah Rowe
2026-03-13 17:53:19 +00:00
parent 5287a80a7e
commit dfbdffc6a6
1 changed files with 3 additions and 0 deletions
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3
util/nvmutil/nvmutil.c
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@@ -1753,6 +1753,9 @@ static int
io_args(int fd, void *mem, size_t nrw,
off_t off, int rw_type)
{
if (mem == NULL)
goto err_io_args;
if (mem != (void *)pad
&& mem != rnum
&& (mem < (void *)buf || mem >= (void *)(buf + GBE_FILE_SIZE)))