Date: Wed, 13 May 2026 14:06:19 +0000 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: c5c5705e6496 - stable/13 - sys: Fix heap disclosure in compat7 kern.proc.filedesc sysctl Message-ID: <6a04855b.25093.3d2661ff@gitrepo.freebsd.org>
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The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=c5c5705e649642810552559a3b849d9ff5d573b6 commit c5c5705e649642810552559a3b849d9ff5d573b6 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2026-05-12 16:25:01 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2026-05-13 14:06:04 +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 (cherry picked from commit e68433e1990d5f1bcc1bdd270d65f1e4792a8e1b) (cherry picked from commit 0cef1a9ae5ec90b2c4717de9bc33fc7c3b1fd705) (cherry picked from commit 5e6b16f4555cba4422dde7c63344359019a23722) --- 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 2412c5e4e332..40046ef9110f 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -4902,7 +4902,7 @@ 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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