[jira] Assigned: (HARMONY-5624) [drlvm][port][signals] Crash handler crashes on SIGSEGV processing in native thread

["Gregory Shimansky (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HARMONY-5624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Gregory Shimansky reassigned HARMONY-5624:
------------------------------------------

    Assignee: Gregory Shimansky

> [drlvm][port][signals] Crash handler crashes on SIGSEGV processing in native thread
> -----------------------------------------------------------------------------------
>
>                 Key: HARMONY-5624
>                 URL: https://issues.apache.org/jira/browse/HARMONY-5624
>             Project: Harmony
>          Issue Type: Bug
>          Components: DRLVM
>         Environment: Linux
>            Reporter: Ilya Berezhniuk
>            Assignee: Gregory Shimansky
>         Attachments: H-5624.patch
>
>
> While processing PORT_SIGNAL_GPF on Linux, VM callback crashes in check_stack_overflow() function when TLS pointer is NULL (i.e. for native threads not attached to the VM).
> Suggested simple patch fixes this issue by checking TLS value before calling check_stack_overflow().

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