From: Kees Cook <keescook@chromium.org>
To: Russell King <linux@armlinux.org.uk>
Cc: Kees Cook <keescook@chromium.org>,
Arnd Bergmann <arnd@kernel.org>,
Lecopzer Chen <lecopzer.chen@mediatek.com>,
Oleg Nesterov <oleg@redhat.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Linus Walleij <linus.walleij@linaro.org>,
Wolfram Sang <wsa@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
Dan Williams <dan.j.williams@intel.com>,
"Russell King (Oracle)" <rmk+kernel@armlinux.org.uk>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org,
linux-hardening@vger.kernel.org
Subject: [PATCH v2 0/2] ARM: ptrace: Restore syscall skipping and restart while tracing
Date: Thu, 10 Aug 2023 12:54:17 -0700 [thread overview]
Message-ID: <20230810195141.never.338-kees@kernel.org> (raw)
Hi,
Fix tracing on arm since commit 4e57a4ddf6b0 ("ARM: 9107/1: syscall:
always store thread_info->abi_syscall"). This was seen with the broken
seccomp tests "syscall_errno", "syscall_faked", and "syscall_restart".
Thanks!
-Kees
v2:
- split fixes
- move scno store into the actual restart path
v1: https://lore.kernel.org/lkml/20230804071045.never.134-kees@kernel.org
Kees Cook (2):
ARM: ptrace: Restore syscall restart tracing
ARM: ptrace: Restore syscall skipping for tracers
arch/arm/include/asm/syscall.h | 3 +++
arch/arm/kernel/entry-common.S | 1 +
arch/arm/kernel/ptrace.c | 5 +++--
3 files changed, 7 insertions(+), 2 deletions(-)
--
2.34.1
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next reply other threads:[~2023-08-10 19:54 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-08-10 19:54 Kees Cook [this message]
2023-08-10 19:54 ` [PATCH v2 1/2] ARM: ptrace: Restore syscall restart tracing Kees Cook
2023-08-10 20:17 ` Arnd Bergmann
2023-08-10 19:54 ` [PATCH v2 2/2] ARM: ptrace: Restore syscall skipping for tracers Kees Cook
2023-08-10 20:11 ` Arnd Bergmann
2023-08-11 5:55 ` [PATCH v2 0/2] ARM: ptrace: Restore syscall skipping and restart while tracing Kees Cook
2023-08-16 20:59 ` Kees Cook
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