[PATCH v3 0/1] vsprintf: check non-canonical pointer by kern_addr_valid()

From: Jane Chu
Date: Wed Oct 19 2022 - 15:35:37 EST


Changes since v2 [1]:
- revised commit comment for clarification;
- cc linux-mm for expert's review on the kern_addr_valid() usage as suggested by Petr;
- cc Kefeng Wang in light of his recent patch [2]

[1]: https://lore.kernel.org/lkml/288a7aba-c647-b51f-bdb3-99a62449dbb3@xxxxxxxxxx/T/
[2]: https://lore.kernel.org/lkml/20221018074014.185687-1-wangkefeng.wang@xxxxxxxxxx/

Jane Chu (1):
vsprintf: protect kernel from panic due to non-canonical pointer
dereference

lib/vsprintf.c | 3 +++
1 file changed, 3 insertions(+)

--
2.18.4