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| author | Andy Lutomirski <luto@kernel.org> | 2016-09-16 07:45:47 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-16 09:18:53 +0200 |
| commit | aa1f1a639621672b68f654dc815a7d8298ff396f (patch) | |
| tree | cf72e7859a0fbc24bb11aac984946383f6eb0aba /kernel/fork.c | |
| parent | x86/process: Pin the target stack in get_wchan() (diff) | |
| download | linux-aa1f1a639621672b68f654dc815a7d8298ff396f.tar.xz linux-aa1f1a639621672b68f654dc815a7d8298ff396f.zip | |
lib/syscall: Pin the task stack in collect_syscall()
This will avoid a potential read-after-free if collect_syscall()
(e.g. /proc/PID/syscall) is called on an exiting task.
Reported-by: Jann Horn <jann@thejh.net>
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/0bfd8e6d4729c97745d3781a29610a33d0a8091d.1474003868.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/fork.c')
0 files changed, 0 insertions, 0 deletions