linux-kernel - Re: [PATCH] io_uring/io-wq: avoid garbge value of 'match' in io_wq

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Message-Id: <171750832792.373240.8767021460699358833.b4-ty@kernel.dk>
Date: Tue, 04 Jun 2024 07:38:47 -0600
From: Jens Axboe <axboe@...nel.dk>
To: asml.silence@...il.com, nathan@...nel.org, ndesaulniers@...gle.com, 
 morbo@...gle.com, justinstitt@...gle.com, Su Hui <suhui@...china.com>
Cc: haoxu@...ux.alibaba.com, io-uring@...r.kernel.org, 
 linux-kernel@...r.kernel.org, llvm@...ts.linux.dev, 
 kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] io_uring/io-wq: avoid garbge value of 'match' in
 io_wq_enqueue()


On Tue, 04 Jun 2024 20:12:43 +0800, Su Hui wrote:
> Clang static checker (scan-build) warning:
> o_uring/io-wq.c:line 1051, column 3
> The expression is an uninitialized value. The computed value will
> also be garbage.
> 
> 'match.nr_pending' is used in io_acct_cancel_pending_work(), but it is
> not initialized. Change the order of assignment for 'match' to fix
> this problem.
> 
> [...]

Applied, thanks!

[1/1] io_uring/io-wq: avoid garbge value of 'match' in io_wq_enqueue()
      commit: e87863ed45a1c36b0d8a5b70134caf8c794d8d57

Best regards,
-- 
Jens Axboe