git: 33ce17883506 - main - vn_bmap_seekhole: check that passed offset is non-negative
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Date: Wed, 19 Oct 2022 17:24:20 UTC
The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=33ce1788350612f4143be6837b74f77e29329fd9 commit 33ce1788350612f4143be6837b74f77e29329fd9 Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2022-10-17 15:29:38 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-10-19 17:24:07 +0000 vn_bmap_seekhole: check that passed offset is non-negative Reviewed by: markj Tested by: pho Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D37024 --- sys/kern/vfs_vnops.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index 1c7db3852776..8eaf23d91d4d 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -2576,7 +2576,7 @@ vn_bmap_seekhole_locked(struct vnode *vp, u_long cmd, off_t *off, if (error != 0) goto out; noff = *off; - if (noff >= va.va_size) { + if (noff < 0 || noff >= va.va_size) { error = ENXIO; goto out; }