[PATCH] locking/lockdep: Fix UBSAN warnings

Peter Zijlstra peterz at infradead.org
Wed Jun 12 00:34:25 PDT 2019


On Wed, Jun 12, 2019 at 01:49:04PM +0800, Kobe Wu wrote:
> Fix complaints from UBSAN about signed integer overflow.
> 
> ========================================================================
> UBSAN: Undefined behaviour in kernel/locking/lockdep.c:2998:3
> signed integer overflow:

I don't mind the patch, but this is an UBSAN bug and cannot therefore be
a reason.



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