x86/traps: Disable interrupts in exc_aligment_check()
authorThomas Gleixner <tglx@linutronix.de>
Wed, 8 Jul 2020 19:28:05 +0000 (21:28 +0200)
committerThomas Gleixner <tglx@linutronix.de>
Thu, 9 Jul 2020 09:18:29 +0000 (11:18 +0200)
commitbce9b042ec73e8662b8119d4ca47e7c78b20d0bf
tree594c65f3873aeecc627645fc03ce635d65577f17
parenta4c0e91d1d65bc58f928b80ed824e10e165da22c
x86/traps: Disable interrupts in exc_aligment_check()

exc_alignment_check() fails to disable interrupts before returning to the
entry code.

Fixes: ca4c6a9858c2 ("x86/traps: Make interrupt enable/disable symmetric in C code")
Reported-by: syzbot+0889df9502bc0f112b31@syzkaller.appspotmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200708192934.076519438@linutronix.de
arch/x86/kernel/traps.c