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charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: markj X-Git-Repository: src X-Git-Refname: refs/heads/main X-Git-Reftype: branch X-Git-Commit: c7917e72fe80e2e168b3812718b5fcd497c0e3b8 Auto-Submitted: auto-generated Date: Fri, 24 Jul 2026 21:07:21 +0000 Message-Id: <6a63d409.375a0.47006484@gitrepo.freebsd.org> The branch main has been updated by markj: URL: https://cgit.FreeBSD.org/src/commit/?id=c7917e72fe80e2e168b3812718b5fcd497c0e3b8 commit c7917e72fe80e2e168b3812718b5fcd497c0e3b8 Author: Mark Johnston AuthorDate: 2026-07-24 20:04:45 +0000 Commit: Mark Johnston CommitDate: 2026-07-24 20:04:45 +0000 kthread: Fix a thread leak Fixes: 963629923308 ("kthread_add(): do not allow to attach the thread to a dead or dying process") Reviewed by: kib MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D58433 --- sys/kern/kern_kthread.c | 1 + 1 file changed, 1 insertion(+) diff --git a/sys/kern/kern_kthread.c b/sys/kern/kern_kthread.c index cfe2dab2e05c..6650ab868f78 100644 --- a/sys/kern/kern_kthread.c +++ b/sys/kern/kern_kthread.c @@ -281,6 +281,7 @@ kthread_add1(void (*func)(void *), void *arg, struct proc *p, PROC_LOCK(p); if (p->p_state == PRS_ZOMBIE || (p->p_flag2 & P2_WEXIT) != 0) { PROC_UNLOCK(p); + thread_free(newtd); return (ESRCH); } oldtd = FIRST_THREAD_IN_PROC(p);