10 Jan
2023
10 Jan
'23
10:39 p.m.
On Fri, 4 Nov 2022 17:25:19 -0400 Seth Jenkins sethjenkins@google.com wrote:
Commit e4a0d3e720e7 ("aio: Make it possible to remap aio ring") introduced a null-deref if mremap is called on an old aio mapping after fork as mm->ioctx_table will be set to NULL.
Is this a theoretical thing, or has this oops actually been observed?