git: b798b4e3d4d6 - stable/13 - vn_bmap_seekhole: check that passed offset is non-negative
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Date: Wed, 26 Oct 2022 00:44:04 UTC
The branch stable/13 has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=b798b4e3d4d634d21ce6f28f9cb807ec63fd9f6e commit b798b4e3d4d634d21ce6f28f9cb807ec63fd9f6e Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2022-10-17 15:29:38 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2022-10-26 00:43:43 +0000 vn_bmap_seekhole: check that passed offset is non-negative (cherry picked from commit 33ce1788350612f4143be6837b74f77e29329fd9) --- 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 190a48291517..b71d37820b0c 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -2565,7 +2565,7 @@ vn_bmap_seekhole(struct vnode *vp, u_long cmd, off_t *off, struct ucred *cred) if (error != 0) goto unlock; noff = *off; - if (noff >= va.va_size) { + if (noff < 0 || noff >= va.va_size) { error = ENXIO; goto unlock; }