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Pull in a fix (still under GPLv2) for a double free in gdb, leading to

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an assert, which can occur if you repeatedly dlopen() and dlclose() a
.so file in a tight loop.  This was reported on freebsd-current@ by
Alexandre Martins, with a sample to reproduce the behaviour.

Obtained from:	http://sourceware.org/git/?p=gdb.git;a=commit;h=a6f2cbb341520f8e100f4b8305979dd6207a79e8
This commit is contained in:
Dimitry Andric 2012-03-13 19:40:56 +00:00
parent 4391754075
commit 9c5cee130f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=232934
1 changed files with 7 additions and 0 deletions
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7
contrib/gdb/gdb/target.c
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@ -1425,6 +1425,13 @@ target_resize_to_sections (struct target_ops *target, int num_added)
(*t)->to_sections_end = target->to_sections_end;
}
}
/* There is a flattened view of the target stack in current_target,
so its to_sections pointer might also need updating. */
if (current_target.to_sections == old_value)
{
current_target.to_sections = target->to_sections;
current_target.to_sections_end = target->to_sections_end;
}
}
return old_count;