So let's don't flush cqring overflow list, just do a simple check.įixes: 6c503150ae33 ("io_uring: patch up IOPOLL overflow_flush sync")ġ file changed, 15 insertions(+), 2 deletions(-)ĭiff -git a/fs/io_uring.c b/fs/io_uring.c The former epoll fd in a sqe in the former uring instance. This might happen if we do epoll_wait on a uring fd while reading/writing entry_SYSCALL_64_after_hwframe+0x44/0xa9 ? syscall_enter_from_user_mode+0x2b/0x80 ? lockdep_hardirqs_on_prepare+0xde/0x180 WARNING: possible circular locking dependency detected
Subject: io_uring: fix possible deadlock in io_uring_pollĭate: Mon, 17:07:32 +0100 Io_uring: fix possible deadlock in io_uring_poll - Greg Kroah-Hartman All of help / color / mirror / Atom feed From: Greg Kroah-Hartman
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