[Bug 278826] [hpet] cdev->si_refcount leakage when enable hpet as timecounter hardware
Date: Sun, 12 May 2024 01:14:19 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278826 --- Comment #8 from commit-hook@FreeBSD.org --- A commit in branch main references this bug: URL: https://cgit.FreeBSD.org/src/commit/?id=e93404065177d6c909cd64bf7d74fe0d8df35edf commit e93404065177d6c909cd64bf7d74fe0d8df35edf Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2024-05-07 13:23:28 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2024-05-12 01:13:00 +0000 cdev_pager_allocate(): ensure that the cdev_pager_ops ctr is called only once per allocated vm_object. Otherwise, since constructors are not idempotent, we e.g. leak device reference in case of non-managed pager. PR: 278826 Reported by: Austin Zhang <austin.zhang@dell.com> Reviewed by: alc, markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D45113 sys/vm/device_pager.c | 70 +++++++++++++++++++++++++++++++++++++-------------- 1 file changed, 51 insertions(+), 19 deletions(-) -- You are receiving this mail because: You are the assignee for the bug.