Messages in this thread | | | Date | Thu, 30 Oct 2014 01:26:06 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH] tracing/syscalls: ignore numbers outside NR_syscalls' range |
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On Wed, Oct 29, 2014 at 11:06:58PM +0100, Rabin Vincent wrote: > ARM has some private syscalls (for example, set_tls(2)) which lie > outside the range of NR_syscalls. If any of these are called while > syscall tracing is being performed, out-of-bounds array access will > occur in the ftrace and perf sys_{enter,exit} handlers.
While this patch looks like good caution, having syscalls outside of NR_syscalls seems like a receipe for a disaster. Can you try to fix that issue as ell, please?
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