Date: Tue, 12 May 2026 18:00:31 +0000 From: Ed Maste <emaste@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: e68433e1990d - main - sys: Fix heap disclosure in compat7 kern.proc.filedesc sysctl Message-ID: <6a036abf.44a0c.1cbab5f5@gitrepo.freebsd.org>
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The branch main has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=e68433e1990d5f1bcc1bdd270d65f1e4792a8e1b commit e68433e1990d5f1bcc1bdd270d65f1e4792a8e1b Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2026-05-12 16:25:01 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2026-05-12 17:59:51 +0000 sys: Fix heap disclosure in compat7 kern.proc.filedesc sysctl Reported by: Yuxiang Yang, Yizhou Zhao, Ao Wang, Xuewei Feng, Qi Li, and Ke Xu from Tsinghua University using GLM-5.1 from Z.ai Reviewed by: markj Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D56976 --- sys/kern/kern_descrip.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 48303926759b..349ebb5702a5 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -5135,7 +5135,7 @@ sysctl_kern_proc_ofiledesc(SYSCTL_HANDLER_ARGS) return (ENOENT); } kif = malloc(sizeof(*kif), M_TEMP, M_WAITOK); - okif = malloc(sizeof(*okif), M_TEMP, M_WAITOK); + okif = malloc(sizeof(*okif), M_TEMP, M_WAITOK | M_ZERO); PWDDESC_XLOCK(pdp); pwd = pwd_hold_pwddesc(pdp); if (pwd != NULL) {home | help
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