This is a note to let you know that I've just added the patch titled
kernel/exit.c: export abort() to modules
to the 4.14-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git%3Ba=su...
The filename of the patch is: kernel-exit.c-export-abort-to-modules.patch and it can be found in the queue-4.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let stable@vger.kernel.org know about it.
From dc8635b78cd8669c37e230058d18c33af7451ab1 Mon Sep 17 00:00:00 2001
From: Andrew Morton akpm@linux-foundation.org Date: Thu, 4 Jan 2018 16:17:56 -0800 Subject: kernel/exit.c: export abort() to modules
From: Andrew Morton akpm@linux-foundation.org
commit dc8635b78cd8669c37e230058d18c33af7451ab1 upstream.
gcc -fisolate-erroneous-paths-dereference can generate calls to abort() from modular code too.
[arnd@arndb.de: drop duplicate exports of abort()] Link: http://lkml.kernel.org/r/20180102103311.706364-1-arnd@arndb.de Reported-by: Vineet Gupta Vineet.Gupta1@synopsys.com Cc: Sudip Mukherjee sudipm.mukherjee@gmail.com Cc: Arnd Bergmann arnd@arndb.de Cc: Alexey Brodkin Alexey.Brodkin@synopsys.com Cc: Russell King rmk+kernel@armlinux.org.uk Cc: Jose Abreu Jose.Abreu@synopsys.com Signed-off-by: Andrew Morton akpm@linux-foundation.org Signed-off-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Linus Torvalds torvalds@linux-foundation.org Cc: Evgeniy Didin Evgeniy.Didin@synopsys.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- arch/arm/kernel/traps.c | 1 - arch/m32r/kernel/traps.c | 1 - arch/unicore32/kernel/traps.c | 1 - kernel/exit.c | 1 + 4 files changed, 1 insertion(+), 3 deletions(-)
--- a/arch/arm/kernel/traps.c +++ b/arch/arm/kernel/traps.c @@ -790,7 +790,6 @@ void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } -EXPORT_SYMBOL(abort);
void __init trap_init(void) { --- a/arch/m32r/kernel/traps.c +++ b/arch/m32r/kernel/traps.c @@ -122,7 +122,6 @@ void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } -EXPORT_SYMBOL(abort);
void __init trap_init(void) { --- a/arch/unicore32/kernel/traps.c +++ b/arch/unicore32/kernel/traps.c @@ -298,7 +298,6 @@ void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } -EXPORT_SYMBOL(abort);
void __init trap_init(void) { --- a/kernel/exit.c +++ b/kernel/exit.c @@ -1763,3 +1763,4 @@ __weak void abort(void) /* if that doesn't kill us, halt */ panic("Oops failed to kill thread"); } +EXPORT_SYMBOL(abort);
Patches currently in stable-queue which might be from akpm@linux-foundation.org are
queue-4.14/arch-define-weak-abort.patch queue-4.14/kernel-exit.c-export-abort-to-modules.patch