Hello, We've found a memory leak in libunwind-coredump. Some of the variables weren't being deallocated in _UCD_destroy().
Please find attached a patch that fixes the bug. Thanks, Felipe
From a9189599087b0b12e687ca6061e3f56abf0827f3 Mon Sep 17 00:00:00 2001 From: Felipe Cerqueira <[email protected]> Date: Mon, 14 Aug 2017 13:50:58 -0700 Subject: [PATCH 1/1] Fix memory leak in libunwind-coredump. _UCD_destroy() was not freeing all variables from UCD_info. --- src/coredump/_UCD_destroy.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/coredump/_UCD_destroy.c b/src/coredump/_UCD_destroy.c index 5aff989..ddc36ec 100644 --- a/src/coredump/_UCD_destroy.c +++ b/src/coredump/_UCD_destroy.c @@ -44,7 +44,9 @@ _UCD_destroy (struct UCD_info *ui) close(phdr->backing_fd); } + free(ui->phdrs); free(ui->note_phdr); + free(ui->threads); free(ui); } --
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