[lworld] Integrated: 8252854: [lworld] Buffering in C1 entry can trigger safepoint before nmethod entry barrier has been executed
thartmann at openjdk.java.net
Mon Sep 7 11:20:08 UTC 2020
On Mon, 7 Sep 2020 09:01:55 GMT, Tobias Hartmann <thartmann at openjdk.org> wrote:
> The runtime call to buffer scalarized inline type arguments in the C1 entry points can safepoint before the entry
> barrier of the corresponding nmethod has been executed. As a result, oops in the nmethod might be bad and the GC
> crashes in 'nmethod_oops_do'. We should simply execute the entry barrier before calling into the runtime.
This pull request has now been integrated.
Author: Tobias Hartmann <thartmann at openjdk.org>
Stats: 9 lines in 1 file changed: 2 ins; 7 del; 0 mod
8252854: [lworld] Buffering in C1 entry can trigger safepoint before nmethod entry barrier has been executed
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