Messages in this thread | | | Subject | Re: [PATCH kernel] fs/io_ring: Fix lockdep warnings | From | Alexey Kardashevskiy <> | Date | Tue, 1 Dec 2020 18:55:41 +1100 |
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On 01/12/2020 03:34, Pavel Begunkov wrote: > On 30/11/2020 02:00, Alexey Kardashevskiy wrote: >> There are a few potential deadlocks reported by lockdep and triggered by >> syzkaller (a syscall fuzzer). These are reported as timer interrupts can >> execute softirq handlers and if we were executing certain bits of io_ring, >> a deadlock can occur. This fixes those bits by disabling soft interrupts. > > Jens already fixed that, thanks > > https://lore.kernel.org/io-uring/948d2d3b-5f36-034d-28e6-7490343a5b59@kernel.dk/T/#t
Oh good! I assumed it must be fixed somewhere but could not find it quickly in the lists.
> FYI, your email got into spam.
Not good :-/ Wonder why... Can you please forward my mail in attachment for debugging (there should be nothing private, I guess)? spf should be alright, not sure what else I can do. Thanks,
-- Alexey
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