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authorHelge Deller <deller@gmx.de>2016-03-30 15:14:31 +0300
committerHelge Deller <deller@gmx.de>2016-03-31 13:28:38 +0300
commit910cd32e552ea09caa89cdbe328e468979b030dd (patch)
tree02cc8c1d9d0202d76f988ae242ccbc328a8e43cd /fs
parent4f4acc9472e54ce702f1d85fc9e6d57767dec91f (diff)
downloadlinux-910cd32e552ea09caa89cdbe328e468979b030dd.tar.xz
parisc: Fix and enable seccomp filter support
The seccomp filter support requires careful handling of task registers. This includes reloading of the return value (%r28) and proper syscall exit if secure_computing() returned -1. Additionally we need to sign-extend the syscall number from signed 32bit to signed 64bit in do_syscall_trace_enter() since the ptrace interface only allows storing 32bit values in compat mode. Signed-off-by: Helge Deller <deller@gmx.de> Cc: stable@vger.kernel.org # v4.5
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