Author: dim Date: Tue Mar 13 19:40:56 2012 New Revision: 232934 URL: http://svn.freebsd.org/changeset/base/232934
Log: Pull in a fix (still under GPLv2) for a double free in gdb, leading to 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 Modified: head/contrib/gdb/gdb/target.c Modified: head/contrib/gdb/gdb/target.c ============================================================================== --- head/contrib/gdb/gdb/target.c Tue Mar 13 19:18:34 2012 (r232933) +++ head/contrib/gdb/gdb/target.c Tue Mar 13 19:40:56 2012 (r232934) @@ -1425,6 +1425,13 @@ target_resize_to_sections (struct target (*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; _______________________________________________ svn-src-head@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-head To unsubscribe, send any mail to "svn-src-head-unsubscr...@freebsd.org"
