diff options
Diffstat (limited to 'sys/compat/linux/linux_file.c')
| -rw-r--r-- | sys/compat/linux/linux_file.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/sys/compat/linux/linux_file.c b/sys/compat/linux/linux_file.c index e06c8b1bbfa..0e87c9ddfc1 100644 --- a/sys/compat/linux/linux_file.c +++ b/sys/compat/linux/linux_file.c @@ -1,4 +1,4 @@ -/* $OpenBSD: linux_file.c,v 1.27 2012/04/22 05:43:14 guenther Exp $ */ +/* $OpenBSD: linux_file.c,v 1.28 2013/05/10 10:31:16 pirofti Exp $ */ /* $NetBSD: linux_file.c,v 1.15 1996/05/20 01:59:09 fvdl Exp $ */ /* @@ -63,7 +63,7 @@ static int linux_to_bsd_ioflags(int); static int bsd_to_linux_ioflags(int); static void bsd_to_linux_flock(struct flock *, struct linux_flock *); static void linux_to_bsd_flock(struct linux_flock *, struct flock *); -static void bsd_to_linux_stat(struct stat *, struct linux_stat *); +static int bsd_to_linux_stat(struct stat *, struct linux_stat *); static int linux_stat1(struct proc *, void *, register_t *, int); @@ -467,14 +467,16 @@ linux_sys_fcntl(p, v, retval) * (XXX horrible, but what can you do against code that compares * things against constant major device numbers? sigh) */ -static void +static int bsd_to_linux_stat(bsp, lsp) struct stat *bsp; struct linux_stat *lsp; { + if (bsp->st_ino > LINUX_INO_MAX) + return EOVERFLOW; lsp->lst_dev = bsp->st_dev; - lsp->lst_ino = bsp->st_ino; + lsp->lst_ino = (linux_ino_t)bsp->st_ino; lsp->lst_mode = bsp->st_mode; lsp->lst_nlink = bsp->st_nlink; lsp->lst_uid = bsp->st_uid; @@ -486,6 +488,8 @@ bsd_to_linux_stat(bsp, lsp) lsp->lst_atime = bsp->st_atime; lsp->lst_mtime = bsp->st_mtime; lsp->lst_ctime = bsp->st_ctime; + + return 0; } /* @@ -521,7 +525,8 @@ linux_sys_fstat(p, v, retval) if ((error = copyin(st, &tmpst, sizeof tmpst))) return error; - bsd_to_linux_stat(&tmpst, &tmplst); + if ((error = bsd_to_linux_stat(&tmpst, &tmplst))) + return error; if ((error = copyout(&tmplst, SCARG(uap, sp), sizeof tmplst))) return error; @@ -558,7 +563,8 @@ linux_stat1(p, v, retval, dolstat) if ((error = copyin(st, &tmpst, sizeof tmpst))) return error; - bsd_to_linux_stat(&tmpst, &tmplst); + if ((error = bsd_to_linux_stat(&tmpst, &tmplst))) + return error; if ((error = copyout(&tmplst, SCARG(uap, sp), sizeof tmplst))) return error; |