The patch titled Subject: epoll: ep_autoremove_wake_function should use list_del_init_careful has been added to the -mm mm-hotfixes-unstable branch. Its filename is epoll-ep_autoremove_wake_function-should-use-list_del_init_careful.patch

This patch will shortly appear at https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches...

This patch will later appear in the mm-hotfixes-unstable branch at git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------ From: Benjamin Segall bsegall@google.com Subject: epoll: ep_autoremove_wake_function should use list_del_init_careful Date: Tue, 30 May 2023 11:32:28 -0700

autoremove_wake_function uses list_del_init_careful, so should epoll's more aggressive variant. It only doesn't because it was copied from an older wait.c rather than the most recent.

Link: https://lkml.kernel.org/r/xm26pm6hvfer.fsf@google.com Fixes: a16ceb139610 ("epoll: autoremove wakers even more aggressively") Signed-off-by: Ben Segall bsegall@google.com Cc: Al Viro viro@zeniv.linux.org.uk Cc: Christian Brauner brauner@kernel.org Cc: stable@vger.kernel.org Signed-off-by: Andrew Morton akpm@linux-foundation.org ---

fs/eventpoll.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/fs/eventpoll.c~epoll-ep_autoremove_wake_function-should-use-list_del_init_careful +++ a/fs/eventpoll.c @@ -1805,7 +1805,7 @@ static int ep_autoremove_wake_function(s { int ret = default_wake_function(wq_entry, mode, sync, key);

- list_del_init(&wq_entry->entry); + list_del_init_careful(&wq_entry->entry); return ret; }

_

Patches currently in -mm which might be from bsegall@google.com are

epoll-ep_autoremove_wake_function-should-use-list_del_init_careful.patch