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(parent: 5c38065) | patch
ptrace: in PEEK_SIGINFO, check syscall bitness, not task bitness
authorAndy Lutomirski <luto@kernel.org>
Tue, 22 Mar 2016 21:24:55 +0000 (14:24 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 22 Mar 2016 22:36:02 +0000 (15:36 -0700)
commit5c465217a930d4bbb7dd35a56bde1eea5bbd14d6
treeed55ab6ea3ba72ce135c9ba6a971b347f991a685tree | snapshot
parent5c38065e021bc76f97fc08997f6d7fc7ea3fb7a7commit | diff
ptrace: in PEEK_SIGINFO, check syscall bitness, not task bitness

Users of the 32-bit ptrace() ABI expect the full 32-bit ABI.  siginfo
translation should check ptrace() ABI, not caller task ABI.

This is an ABI change on SPARC.  Let's hope that no one relied on the
old buggy ABI.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Oleg Nesterov <oleg@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
kernel/ptrace.c diff | blob | blame | history
Linux 6.x block layer and io_uring tree(s)