As
announced
on the
misc@
mailing list,
Otto Moerbeek (otto@),
the author of OpenBSD's
malloc(3)
implementation
[a.k.a. "otto malloc"],
has written a
tutorial on the new
malloc(3) leak detection available in OpenBSD 7.4
Read it at: OpenBSD's built-in memory leak detection
Since the publication of that write-up, Otto has committed further enchancements:
CVSROOT: /cvs Module name: src Changes by: otto@cvs.openbsd.org 2023/10/22 06:19:26 Modified files: lib/libc/stdlib: malloc.3 malloc.c Log message: When option D is active, store callers for all chunks; this avoids the 0x0 call sites for leak reports. Also display more info on detected write of free chunks: print the info about where the chunk was allocated, and for the preceding chunk as well. ok asou@