From: Jens Axboe <axboe@kernel.dk>
To: Hao-Yu Yang <naup96721@gmail.com>, linux-kernel@vger.kernel.org
Cc: io-uring@vger.kernel.org
Subject: Re: [PATCH v1] io_uring: fix dangling iovec after provided-buffer bundle grow failure
Date: Mon, 6 Jul 2026 10:20:36 -0600 [thread overview]
Message-ID: <0a370728-f8be-4aaa-bbc6-276376adc5ce@kernel.dk> (raw)
In-Reply-To: <20260705234534.768138-1-naup96721@gmail.com>
On 7/5/26 5:45 PM, Hao-Yu Yang wrote:
> BUG: KASAN: double-free in io_vec_free+0x2c/0x90
> Freed by task 73:
> kfree+0x104/0x3b0
> io_vec_free+0x2c/0x90
> __io_submit_flush_completions+0xc03/0x1e40
> io_submit_sqes+0xdb5/0x2310
>
> Allocated by task 73:
> io_ring_buffers_peek+0x559/0xc60
> io_buffers_select+0x1c1/0x460
> io_send+0x770/0x1050
Please also send your reproducer, the above looks a bit synthesized
rather than a real trace... Is it actually from KASAN, or is it from
whatever LLM you're using?
--
Jens Axboe
next prev parent reply other threads:[~2026-07-06 16:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-05 23:45 [PATCH v1] io_uring: fix dangling iovec after provided-buffer bundle grow failure Hao-Yu Yang
2026-07-06 16:19 ` Jens Axboe
2026-07-06 16:56 ` Hao-Yu Yang
2026-07-06 16:20 ` Jens Axboe [this message]
2026-07-06 17:01 ` Hao-Yu Yang
2026-07-06 17:13 ` Jens Axboe
2026-07-06 17:34 ` Hao-Yu Yang
2026-07-06 17:39 ` Jens Axboe
2026-07-06 17:46 ` Hao-Yu Yang
2026-07-06 18:06 ` Jens Axboe
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