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[src/trunk]: src/external/bsd/top/dist Fix unitialized signal mask passed to ...



details:   https://anonhg.NetBSD.org/src/rev/d19f51641f0e
branches:  trunk
changeset: 362215:d19f51641f0e
user:      kamil <kamil%NetBSD.org@localhost>
date:      Thu May 31 09:20:05 2018 +0000

description:
Fix unitialized signal mask passed to sigaction(2) in top(1)

Detected with Memory Sanitizer during the integration of sanitizers with
the NetBSD basesystem.

Reported by <Yang Zheng>

diffstat:

 external/bsd/top/dist/top.c |  1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diffs (11 lines):

diff -r e9bd551eba1e -r d19f51641f0e external/bsd/top/dist/top.c
--- a/external/bsd/top/dist/top.c       Thu May 31 09:18:31 2018 +0000
+++ b/external/bsd/top/dist/top.c       Thu May 31 09:20:05 2018 +0000
@@ -135,6 +135,7 @@
 #ifdef HAVE_SIGACTION
     struct sigaction action;
 
+    sigemptyset(&action.sa_mask);
     action.sa_handler = handler;
     action.sa_flags = 0;
     (void) sigaction(sig, &action, NULL);



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