https://bugzilla.kernel.org/show_bug.cgi?id=206525
--- Comment #3 from Christophe Leroy (christophe.le...@c-s.fr) ---
Bug introduced by commit ("cf5bddb95cbe net: bridge: vlan: add rtnetlink group
and notify support")
RTNLGRP_MAX is now 33.
'unsigned long groups' is 32 bits long on PPC32
Hi,
Le 14/02/2020 à 14:54, Masami Hiramatsu a écrit :
Hi,
On Fri, 14 Feb 2020 12:47:49 + (UTC)
Christophe Leroy wrote:
When a program check exception happens while MMU translation is
disabled, following Oops happens in kprobe_handler() in the following
test:
} else if
Le 14/02/2020 à 13:47, Christophe Leroy a écrit :
When a program check exception happens while MMU translation is
disabled, following Oops happens in kprobe_handler() in the following
test:
} else if (*addr != BREAKPOINT_INSTRUCTION) {
[ 33.098554] BUG: Unable to handle
Le 15/02/2020 à 07:28, Leonardo Bras a écrit :
On Sun, 2020-02-09 at 18:14 +, Christophe Leroy wrote:
In ITLB miss handled the line supposed to clear bits 20-23 on the
L2 ITLB entry is buggy and does indeed nothing, leading to undefined
value which could allow execution when it
hash_page() needs to read page tables from kernel memory. When entire
kernel memory is mapped by BATs, which is normally the case when
CONFIG_STRICT_KERNEL_RWX is not set, it works even if the page hosting
the page table is not referenced in the MMU hash table.
However, if the page where the page
