Debian Bug report logs - #916626
qbs: FTBFS on hppa: Segmentation fault (core dumped)

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Package: src:qbs; Maintainer for src:qbs is Debian Qt/KDE Maintainers <[email protected]>;

Reported by: John David Anglin <[email protected]>

Date: Sun, 16 Dec 2018 17:57:02 UTC

Severity: normal

Tags: ftbfs

Found in version qbs/1.12.2+dfsg-1

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Subject: Re: Bug#916626: Acknowledgement (qbs: FTBFS on hppa: Segmentation
 fault (core dumped))
From: John David Anglin <[email protected]>
To: [email protected]
References: <154498286870.606.17013838576913775750.reportbug@mx3210>
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On 2018-12-16 1:04 p.m., John David Anglin wrote:
> Thread 4 "QThread" hit Breakpoint 1, QTJSC::Heap::markConservatively (
>     this=0xf8b53c78, markStack=..., start=0xed5826c8, end=0xedd81000)
>     at ../3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp:791
> 791     ../3rdparty/javascriptcore/JavaScriptCore/runtime/Collector.cpp:
> No such file or directory.
> 
> The address 0xedd81000 is the end of the stack.

void Heap::markConservatively(MarkStack& markStack, void* start, void* end)
{
    if (start > end) {
        void* tmp = start;
        start = end;
        end = tmp;
    }

    ASSERT((static_cast<char*>(end) - static_cast<char*>(start)) <
0x1000000);
    ASSERT(isPointerAligned(start));
    ASSERT(isPointerAligned(end));

    char** p = static_cast<char**>(start);
    char** e = static_cast<char**>(end);

    CollectorBlock** blocks = m_heap.blocks;
    while (p != e) {

It looks to me as if the test "p != e" should be "p < e".

Dave
-- 
John David Anglin  [email protected]

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