From: Richard Henderson <richard.henderson@linaro.org>
To: Matthew Lugg <mlugg@mlugg.co.uk>, qemu-devel@nongnu.org
Cc: laurent@vivier.eu, peter.maydell@linaro.org
Subject: Re: [PATCH v2 1/4] linux-user: fix mremap unmapping adjacent region
Date: Wed, 19 Nov 2025 12:20:30 +0100 [thread overview]
Message-ID: <277c2bb6-5d24-451c-a45e-893822acd2b0@linaro.org> (raw)
In-Reply-To: <20251117170954.31451-2-mlugg@mlugg.co.uk>
On 11/17/25 18:09, Matthew Lugg wrote:
> This typo meant that calls to `mremap` which shrink a mapping by some N
> bytes would, when the virtual address space was pre-reserved (e.g.
> 32-bit guest on 64-bit host), unmap the N bytes following the*original*
> mapping.
>
> Signed-off-by: Matthew Lugg<mlugg@mlugg.co.uk>
> ---
> linux-user/mmap.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> No changes from last revision, just rebased.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
r~
next prev parent reply other threads:[~2025-11-19 11:21 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-11-17 17:09 [PATCH v2 0/4] linux-user: fix several mremap bugs Matthew Lugg
2025-11-17 17:09 ` [PATCH v2 1/4] linux-user: fix mremap unmapping adjacent region Matthew Lugg
2025-11-19 11:20 ` Richard Henderson [this message]
2025-11-17 17:09 ` [PATCH v2 2/4] linux-user: fix mremap errors for invalid ranges Matthew Lugg
2025-11-17 17:09 ` [PATCH v2 3/4] linux-user: fix reserved_va page leak in do_munmap Matthew Lugg
2025-11-19 11:21 ` Richard Henderson
2025-11-17 17:09 ` [PATCH v2 4/4] tests: add tcg coverage for fixed mremap bugs Matthew Lugg
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