Date: Mon, 13 Sep 2021 14:48:05 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: 7dddc1074434 - stable/12 - linux: make sure to zero the l_siginfo structure for ptrace(2) Message-ID: <202109131448.18DEm5Jj044297@gitrepo.freebsd.org>
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The branch stable/12 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=7dddc107443465b59fe05843ed57909714100f3c commit 7dddc107443465b59fe05843ed57909714100f3c 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 14:40:45 +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 aab62e3793cb..792572294764 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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