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Change History

In the Linux kernel, the following vulnerability has been resolved:

io_uring: check if we need to reschedule during overflow flush

In terms of normal application usage, this list will always be empty.
And if an application does overflow a bit, it'll have a few entries.
However, nothing obviously prevents syzbot from running a test case
that generates a ton of overflow entries, and then flushing them can
take quite a while.

Check for needing to reschedule while flushing, and drop our locks and

kernel.org https://git.kernel.org/stable/c/a2493904e95ce94bbec819d8f7f03b99976eb25c [No types assigned]

kernel.org https://git.kernel.org/stable/c/c2eadeafce2d385b3f6d26a7f31fee5aba2bbbb0 [No types assigned]

kernel.org https://git.kernel.org/stable/c/eac2ca2d682f94f46b1973bdf5e77d85d77b8e53 [No types assigned]

kernel.org https://git.kernel.org/stable/c/f4ce3b5d26ce149e77e6b8e8f2058aa80e5b034e [No types assigned]