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From: "simon.marchi at polymtl dot ca" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug backtrace/31560] Segfault when computing backtrace
Date: Wed, 27 Mar 2024 15:12:46 +0000	[thread overview]
Message-ID: <bug-31560-4717-FqvyD8cs8C@http.sourceware.org/bugzilla/> (raw)
In-Reply-To: <bug-31560-4717@http.sourceware.org/bugzilla/>

https://sourceware.org/bugzilla/show_bug.cgi?id=31560

Simon Marchi <simon.marchi at polymtl dot ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |simon.marchi at polymtl dot ca

--- Comment #5 from Simon Marchi <simon.marchi at polymtl dot ca> ---
(In reply to Andy Wingo from comment #4)
> (Happy to provide the executable but really you need the core file too,
> which is 600MB or something.  Let me know if you want it, I am sure it
> compresses well...)

Looking at the first two frames:

#0  block::scope (this=<optimized out>) at ../../gdb-14.1/gdb/block.c:293
        block = 0x0
#1  0x0000000000516c27 in cp_lookup_transparent_type (name=0x74539c0
"v8::internal::ExternalPointerTable::Space") at
../../gdb-14.1/gdb/cp-namespace.c:1029
        t = 0x0
        scope = <optimized out>

block::scope is called with a nullptr "this" from cp_lookup_transparent_type. 
So that would probably be fixed by this commit in master:

https://gitlab.com/gnutools/binutils-gdb/-/commit/576745e26c0ec76a53ba45b20af464628a50b3e4

It has been cherry-picked to the 14 branch, and is in 14.2:

https://gitlab.com/gnutools/binutils-gdb/-/commit/bc23ea51f8a83e9524dfb553baa8baacb29e68a9

Can you check if that fixes your problem?

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  parent reply	other threads:[~2024-03-27 15:12 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-03-26 15:49 [Bug backtrace/31560] New: " wingo at igalia dot com
2024-03-26 15:51 ` [Bug backtrace/31560] " wingo at igalia dot com
2024-03-26 16:57 ` tromey at sourceware dot org
2024-03-27 13:15 ` wingo at igalia dot com
2024-03-27 13:16 ` wingo at igalia dot com
2024-03-27 15:12 ` simon.marchi at polymtl dot ca [this message]
2024-03-29  7:41 ` wingo at igalia dot com
2024-03-29  8:00 ` wingo at igalia dot com

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