Messages in this thread | | | From | Qian Cai <> | Subject | Re: [PATCH] kasan: fix the missing underflow in memmove and memcpy with CONFIG_KASAN_GENERIC=y | Date | Tue, 8 Oct 2019 07:42:47 -0400 |
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> On Oct 8, 2019, at 7:02 AM, Walter Wu <walter-zh.wu@mediatek.com> wrote: > > I don't know very well in UBSAN, but I try to build ubsan kernel and > test a negative number in memset and kmalloc_memmove_invalid_size(), it > look like no check.
It sounds like more important to figure out why the UBSAN is not working in this case rather than duplicating functionality elsewhere.
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