Subject: [Bug 208181] BUG: KASAN: stack-out-of-bounds in strcmp+0x58/0xd8

From: [email-masked]
Date: Thu, 02 Jul 2020 12:00:22 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=208181

--- Comment #11 from Christophe Leroy ([email-masked]) ---
The issue is that that commit moved more code than described into kasan_init():

Kasan Pages allocation have to be moved into kasan_init() but page tables
allocation must remain before the switch to the final hash table.

Problem only occurs on book3s/32 having hash MMU.

See proposed fix at
https://patchwork.ozlabs.org/project/linuxppc-dev/list/?series=187165 (2
patches).

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