diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libkvm/kvm.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/lib/libkvm/kvm.c b/lib/libkvm/kvm.c index 319ef202c1f..0626026390c 100644 --- a/lib/libkvm/kvm.c +++ b/lib/libkvm/kvm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: kvm.c,v 1.8 1997/06/11 10:32:15 grr Exp $ */ +/* $OpenBSD: kvm.c,v 1.9 1997/06/18 05:10:16 kstailey Exp $ */ /* $NetBSD: kvm.c,v 1.43 1996/05/05 04:31:59 gwr Exp $ */ /*- @@ -42,7 +42,7 @@ #if 0 static char sccsid[] = "@(#)kvm.c 8.2 (Berkeley) 2/13/94"; #else -static char *rcsid = "$OpenBSD: kvm.c,v 1.8 1997/06/11 10:32:15 grr Exp $"; +static char *rcsid = "$OpenBSD: kvm.c,v 1.9 1997/06/18 05:10:16 kstailey Exp $"; #endif #endif /* LIBC_SCCS and not lint */ @@ -489,23 +489,29 @@ off_t dump_off; if (Lseek(kd, kd->pmfd, dump_off+hdr_size, SEEK_SET) == -1) goto fail; sz = Read(kd, kd->pmfd, kd->cpu_data, cpu_hdr.c_size); - if (sz != cpu_hdr.c_size) + if (sz != cpu_hdr.c_size) { + _kvm_err(kd, 0, "invalid size in cpu_hdr"); goto fail; + } hdr_size += kd->cpu_dsize; /* * Leave phys mem pointer at beginning of memory data */ kd->dump_off = dump_off + hdr_size; - if (Lseek(kd, kd->pmfd, kd->dump_off, SEEK_SET) == -1) + if (Lseek(kd, kd->pmfd, kd->dump_off, SEEK_SET) == -1) { + _kvm_err(kd, 0, "invalid dump offset"); goto fail; + } /* * Create a kcore_hdr. */ kd->kcore_hdr = _kvm_malloc(kd, sizeof(kcore_hdr_t)); - if (kd->kcore_hdr == NULL) + if (kd->kcore_hdr == NULL) { + _kvm_err(kd, 0, "missing header"); goto fail; + } kd->kcore_hdr->c_hdrsize = ALIGN(sizeof(kcore_hdr_t)); kd->kcore_hdr->c_seghdrsize = ALIGN(sizeof(kcore_seg_t)); |