Messages in this thread Patch in this message | | | Subject | Re: crash binary for latest unreleased kernel | From | Mike Galbraith <> | Date | Wed, 31 Jan 2018 17:03:53 +0100 |
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On Wed, 2018-01-31 at 04:51 +0100, Mike Galbraith wrote: > On Sun, 2018-01-28 at 12:19 -0800, Joe Smith wrote: > > Thanks a lot, Mike. Following your suggestions worked !!!! > > Until Monday happened :)
And during a rare non-lazy-sod moment...
--- task.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-)
--- a/task.c +++ b/task.c @@ -438,8 +438,21 @@ task_init(void) len = SIZE(task_union)); machdep->stacksize = len; } else if (VALID_SIZE(thread_union) && - ((len = SIZE(thread_union)) != STACKSIZE())) + ((len = SIZE(thread_union)) != STACKSIZE())) { machdep->stacksize = len; + } else { + /* + * Post kernel commit 0500871f21b2, init_thread_union size + * became zero. Use __end_init_task - __start_init_task. + */ + if (kernel_symbol_exists("__start_init_task") && + kernel_symbol_exists("__end_init_task")) { + len = symbol_value("__end_init_task"); + len -= symbol_value("__start_init_task"); + ASSIGN_SIZE(thread_union) = len; + machdep->stacksize = len; + } + } MEMBER_OFFSET_INIT(pid_namespace_idr, "pid_namespace", "idr"); MEMBER_OFFSET_INIT(idr_idr_rt, "idr", "idr_rt");
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