From: Florian Weimer <fweimer@redhat.com>
To: Lirong Yuan via Libc-alpha <libc-alpha@sourceware.org>
Cc: Lirong Yuan <yuanzi@google.com>, schwab@linux-m68k.org, scw@google.com
Subject: Re: [PATCH v3] locale: align _nl_C_LC_CTYPE_class and _nl_C_LC_CTYPE_class32 arrays to uint16_t and uint32_t respectively
Date: Mon, 03 May 2021 16:33:32 +0200 [thread overview]
Message-ID: <87zgxbzy2r.fsf@oldenburg.str.redhat.com> (raw)
In-Reply-To: <20210401193723.1224640-1-yuanzi@google.com> (Lirong Yuan via Libc-alpha's message of "Thu, 1 Apr 2021 12:37:23 -0700")
* Lirong Yuan via Libc-alpha:
> steps to reproduce the problem: compile a program that uses ctype functions such as “isspace” for aarch64 with UBSan flag “-fsanitize=undefined” and run it on x86_64 machines with qemu user mode emulation.
>
> observed behavior: UndefinedBehaviorSanitizer reports misaligned-pointer-use in the program.
>
> solution: align the arrays defined in locale/C-ctype.c with correct data types as defined in ctype/ctype.h.
>
> test suite regressions: none.
I've pushed this patch for you with a reworded commit message and minor
formatting changes. Thanks.
Florian
next prev parent reply other threads:[~2021-05-03 14:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-01 19:37 Lirong Yuan
2021-05-03 14:33 ` Florian Weimer [this message]
2021-05-03 15:08 ` Lirong Yuan
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