linux-kernel - Re: [PATCH] mips: vdso: conditionalize 32-bit time functions on COMPAT_32BIT

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Message-ID: <CAHmME9q0z4RBhy7AETo0sPt+SfV7=zFra0iyZ-Sm54c-WG6CVg@mail.gmail.com>
Date:   Tue, 31 Dec 2019 17:14:41 +0100
From:   "Jason A. Donenfeld" <Jason@...c4.com>
To:     Arnd Bergmann <arnd@...db.de>
Cc:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "open list:BROADCOM NVRAM DRIVER" <linux-mips@...r.kernel.org>,
        Paul Burton <paulburton@...nel.org>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Christian Brauner <christian.brauner@...onical.com>
Subject: Re: [PATCH] mips: vdso: conditionalize 32-bit time functions on COMPAT_32BIT_TIME

Here's a "one click" reproducer:
https://data.zx2c4.com/mips-musl-libc-weird-crash-time32-compat.tar.xz

Untar that and hit `make -j$(nproc)`, and you'll get a freshly built
and crashing kernel+userland.