d95fbf4e1a
The contents of frame->tf_tp are uninitialized if accessed by DTrace (in probe context), resulting in a panic when trying to access the memory pointed to by tp. This saves the thread pointer to the trap frame when handling both userland and kernel exceptions. Reviewed by: markj, mhorne MFC after: 2 weeks Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D39582 |
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