Date: Mon, 13 Sep 2021 14:40:41 GMT From: Ed Maste <emaste@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: 97de1b27db7a - stable/13 - linux: make sure to zero the l_siginfo structure for ptrace(2) Message-ID: <202109131440.18DEefbn041862@gitrepo.freebsd.org>
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The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=97de1b27db7a2e8386cbbd50a0d06a6ea0bf1221 commit 97de1b27db7a2e8386cbbd50a0d06a6ea0bf1221 Author: Edward Tomasz Napierala <trasz@FreeBSD.org> AuthorDate: 2021-06-08 09:18:29 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2021-09-13 14:39:42 +0000 linux: make sure to zero the l_siginfo structure for ptrace(2) Reported By: dchagin Sponsored By: EPSRC (cherry picked from commit f102b61d0ecffc6d9cc322fa7a48e0927391421b) --- sys/amd64/linux/linux_ptrace.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/amd64/linux/linux_ptrace.c b/sys/amd64/linux/linux_ptrace.c index 89fda7979359..d209590e3680 100644 --- a/sys/amd64/linux/linux_ptrace.c +++ b/sys/amd64/linux/linux_ptrace.c @@ -408,6 +408,7 @@ linux_ptrace_getsiginfo(struct thread *td, pid_t pid, l_ulong data) } sig = bsd_to_linux_signal(lwpinfo.pl_siginfo.si_signo); + memset(&l_siginfo, 0, sizeof(l_siginfo)); siginfo_to_lsiginfo(&lwpinfo.pl_siginfo, &l_siginfo, sig); error = copyout(&l_siginfo, (void *)data, sizeof(l_siginfo)); return (error);
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