The branch stable/13 has been updated by mjg: URL: https://cgit.FreeBSD.org/src/commit/?id=692c271beb8a14a5a142faf4a1d3f8832347b041
commit 692c271beb8a14a5a142faf4a1d3f8832347b041 Author: Mateusz Guzik <[email protected]> AuthorDate: 2021-05-13 09:23:03 +0000 Commit: Mateusz Guzik <[email protected]> CommitDate: 2021-05-18 06:04:00 +0000 vfs: fix vnode use count leak in O_EMPTY_PATH support The vnode returned by namei_setup is already referenced. Reported by: pho (cherry picked from commit cef8a95acbae0c3043d95028d8ebb24d959a82a0) --- sys/kern/vfs_lookup.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/sys/kern/vfs_lookup.c b/sys/kern/vfs_lookup.c index 3050275c1b6f..5336bf87ec68 100644 --- a/sys/kern/vfs_lookup.c +++ b/sys/kern/vfs_lookup.c @@ -495,8 +495,10 @@ namei_emptypath(struct nameidata *ndp) goto errout; } + /* + * Usecount on dp already provided by namei_setup. + */ ndp->ni_vp = dp; - vref(dp); namei_cleanup_cnp(cnp); pwd_drop(pwd); ndp->ni_resflags |= NIRES_EMPTYPATH; _______________________________________________ [email protected] mailing list https://lists.freebsd.org/mailman/listinfo/dev-commits-src-all To unsubscribe, send any mail to "[email protected]"
