Eric Biggers 9f3acee7ea binder: use wake_up_pollfree() ... commit a880b28a71 upstream. wake_up_poll() uses nr_exclusive=1, so it's not guaranteed to wake up all exclusive waiters. Yet, POLLFREE *must* wake up all waiters. epoll and aio poll are fortunately not affected by this, but it's very fragile. Thus, the new function wake_up_pollfree() has been introduced. Convert binder to use wake_up_pollfree(). Reported-by: Linus Torvalds <torvalds@linux-foundation.org> Fixes: f5cb779ba1 ("ANDROID: binder: remove waitqueue when thread exits.") Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20211209010455.42744-3-ebiggers@kernel.org Signed-off-by: Eric Biggers <ebiggers@google.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2021-12-14 11:32:40 +01:00
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binder_alloc_selftest.c	binder: print warnings when detecting oneway spamming.	2020-09-03 18:24:41 +02:00
binder_alloc.c	binder: add flag to clear buffer on txn complete	2020-12-30 11:54:09 +01:00
binder_alloc.h	binder: add flag to clear buffer on txn complete	2020-12-30 11:54:09 +01:00
binder_internal.h	binder: prevent UAF for binderfs devices II	2020-03-03 19:58:37 +01:00
binder_trace.h	treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 282	2019-06-05 17:36:37 +02:00
binder.c	binder: use wake_up_pollfree()	2021-12-14 11:32:40 +01:00
binderfs.c	binderfs: make symbol 'binderfs_fs_parameters' static	2020-09-03 18:24:39 +02:00
Kconfig	treewide: replace '---help---' in Kconfig files with 'help'	2020-06-14 01:57:21 +09:00
Makefile	treewide: Add SPDX license identifier - Makefile/Kconfig	2019-05-21 10:50:46 +02:00