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From: "hebm12 at gmail dot com" <sourceware-bugzilla@sourceware.org>
To: gdb-prs@sourceware.org
Subject: [Bug tui/28552] New: SIGSEGV when tui is enabled, Linux,
 source-highlight
Date: Fri, 05 Nov 2021 18:50:45 +0000
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https://sourceware.org/bugzilla/show_bug.cgi?id=3D28552

            Bug ID: 28552
           Summary: SIGSEGV when tui is enabled, Linux, source-highlight
           Product: gdb
           Version: 11.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: tui
          Assignee: unassigned at sourceware dot org
          Reporter: hebm12 at gmail dot com
  Target Milestone: ---

Hi,

When I launch gdb with the tui enabled I get a segmentation fault.

I compiled gdb with source-highlight support in Linux.

Here is the backtrace when I launch "gdb --args gdb -tui ls":

hread 1 "gdb" received signal SIGSEGV, Segmentation fault.
0x00007ffff74018dd in wnoutrefresh () from
/home/hector/spack/opt/spack/linux-ubuntu16.04-ivybridge/gcc-11.2.0/ncurses=
-6.2-q2y3avovizfplvyqoaw3gwion2ktivmz/lib/libncursesw.so.6
(gdb) bt
#0  0x00007ffff74018dd in wnoutrefresh ()
   from
/home/hector/spack/opt/spack/linux-ubuntu16.04-ivybridge/gcc-11.2.0/ncurses=
-6.2-q2y3avovizfplvyqoaw3gwion2ktivmz/lib/libncursesw.so.6
#1  0x00007ffff7401cb7 in wrefresh ()
   from
/home/hector/spack/opt/spack/linux-ubuntu16.04-ivybridge/gcc-11.2.0/ncurses=
-6.2-q2y3avovizfplvyqoaw3gwion2ktivmz/lib/libncursesw.so.6
#2  0x00000000007cfa85 in tui_enable ()
    at
/tmp/hector/spack-stage/spack-stage-gdb-11.1-2htjjgz5ehdbcqa4t4hsg5fbfcqump=
l6/spack-src/gdb/tui/tui.c:440
#3  0x000000000065f914 in captured_main_1 (context=3D<optimized out>)
    at
/tmp/hector/spack-stage/spack-stage-gdb-11.1-2htjjgz5ehdbcqa4t4hsg5fbfcqump=
l6/spack-src/gdb/main.c:1167
#4  0x000000000066059b in captured_main (data=3Ddata@entry=3D0x7fffffff8220)
    at
/tmp/hector/spack-stage/spack-stage-gdb-11.1-2htjjgz5ehdbcqa4t4hsg5fbfcqump=
l6/spack-src/gdb/main.c:1343
#5  gdb_main (args=3Dargs@entry=3D0x7fffffff8250)
    at
/tmp/hector/spack-stage/spack-stage-gdb-11.1-2htjjgz5ehdbcqa4t4hsg5fbfcqump=
l6/spack-src/gdb/main.c:1368
#6  0x0000000000436d85 in main (argc=3D<optimized out>, argv=3D<optimized o=
ut>)
    at
/tmp/hector/spack-stage/spack-stage-gdb-11.1-2htjjgz5ehdbcqa4t4hsg5fbfcqump=
l6/spack-src/gdb/gdb.c:32
(gdb)=20

What could be the problem?

Thank you for your help,

Best,

Hector

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