FreeBSD Bugzilla – Attachment 11214 Details for
Bug 22168
Patch to sys/kern to add M_ZERO to appropriate malloc calls
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[patch]
file.diff
file.diff (text/plain), 11.10 KB, created by
josh
on 2000-10-21 00:20:00 UTC
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Description:
file.diff
Filename:
MIME Type:
Creator:
josh
Created:
2000-10-21 00:20:00 UTC
Size:
11.10 KB
patch
obsolete
>Index: kern_descrip.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/kern_descrip.c,v >retrieving revision 1.92 >diff -u -r1.92 kern_descrip.c >--- kern_descrip.c 2000/09/02 19:16:58 1.92 >+++ kern_descrip.c 2000/10/20 21:51:27 >@@ -770,8 +770,7 @@ > * the list of open files. > */ > nfiles++; >- MALLOC(fp, struct file *, sizeof(struct file), M_FILE, M_WAITOK); >- bzero(fp, sizeof(struct file)); >+ MALLOC(fp, struct file *, sizeof(struct file), M_FILE, M_WAITOK | M_ZERO); > fp->f_count = 1; > fp->f_cred = p->p_ucred; > fp->f_ops = &badfileops; >@@ -817,8 +816,7 @@ > register struct filedesc *fdp = p->p_fd; > > MALLOC(newfdp, struct filedesc0 *, sizeof(struct filedesc0), >- M_FILEDESC, M_WAITOK); >- bzero(newfdp, sizeof(struct filedesc0)); >+ M_FILEDESC, M_WAITOK | M_ZERO); > newfdp->fd_fd.fd_cdir = fdp->fd_cdir; > if (newfdp->fd_fd.fd_cdir) > VREF(newfdp->fd_fd.fd_cdir); >Index: kern_event.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/kern_event.c,v >retrieving revision 1.16 >diff -u -r1.16 kern_event.c >--- kern_event.c 2000/08/30 04:49:07 1.16 >+++ kern_event.c 2000/10/20 21:51:58 >@@ -306,8 +306,7 @@ > fp->f_flag = FREAD | FWRITE; > fp->f_type = DTYPE_KQUEUE; > fp->f_ops = &kqueueops; >- kq = malloc(sizeof(struct kqueue), M_TEMP, M_WAITOK); >- bzero(kq, sizeof(*kq)); >+ kq = malloc(sizeof(struct kqueue), M_TEMP, M_WAITOK | M_ZERO); > TAILQ_INIT(&kq->kq_head); > fp->f_data = (caddr_t)kq; > p->p_retval[0] = fd; >Index: kern_jail.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/kern_jail.c,v >retrieving revision 1.7 >diff -u -r1.7 kern_jail.c >--- kern_jail.c 2000/06/04 04:28:31 1.7 >+++ kern_jail.c 2000/10/20 21:53:52 >@@ -59,8 +59,7 @@ > return (error); > if (j.version != 0) > return (EINVAL); >- MALLOC(pr, struct prison *, sizeof *pr , M_PRISON, M_WAITOK); >- bzero((caddr_t)pr, sizeof *pr); >+ MALLOC(pr, struct prison *, sizeof *pr , M_PRISON, M_WAITOK | M_ZERO); > error = copyinstr(j.hostname, &pr->pr_host, sizeof pr->pr_host, 0); > if (error) > goto bail; >Index: kern_linker.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/kern_linker.c,v >retrieving revision 1.52 >diff -u -r1.52 kern_linker.c >--- kern_linker.c 2000/10/04 17:40:24 1.52 >+++ kern_linker.c 2000/10/20 21:55:23 >@@ -515,10 +515,9 @@ > linker_file_t* newdeps; > > newdeps = malloc((file->ndeps + 1) * sizeof(linker_file_t*), >- M_LINKER, M_WAITOK); >+ M_LINKER, M_WAITOK | M_ZERO); > if (newdeps == NULL) > return ENOMEM; >- bzero(newdeps, (file->ndeps + 1) * sizeof(linker_file_t*)); > > if (file->deps) { > bcopy(file->deps, newdeps, file->ndeps * sizeof(linker_file_t*)); >@@ -589,12 +588,11 @@ > cp = malloc(sizeof(struct common_symbol) > + common_size > + strlen(name) + 1, >- M_LINKER, M_WAITOK); >+ M_LINKER, M_WAITOK | M_ZERO); > if (!cp) { > KLD_DPF(SYM, ("linker_file_lookup_symbol: nomem\n")); > return 0; > } >- bzero(cp, sizeof(struct common_symbol) + common_size + strlen(name)+ 1); > > cp->address = (caddr_t) (cp + 1); > cp->name = cp->address + common_size; >Index: kern_prot.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/kern_prot.c,v >retrieving revision 1.63 >diff -u -r1.63 kern_prot.c >--- kern_prot.c 2000/09/05 22:10:22 1.63 >+++ kern_prot.c 2000/10/20 21:56:34 >@@ -1136,8 +1136,7 @@ > { > register struct ucred *cr; > >- MALLOC(cr, struct ucred *, sizeof(*cr), M_CRED, M_WAITOK); >- bzero((caddr_t)cr, sizeof(*cr)); >+ MALLOC(cr, struct ucred *, sizeof(*cr), M_CRED, M_WAITOK | M_ZERO); > cr->cr_ref = 1; > return (cr); > } >Index: kern_sysctl.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/kern_sysctl.c,v >retrieving revision 1.100 >diff -u -r1.100 kern_sysctl.c >--- kern_sysctl.c 2000/07/28 22:40:04 1.100 >+++ kern_sysctl.c 2000/10/20 21:57:21 >@@ -339,8 +339,7 @@ > return (NULL); > } > } >- oidp = malloc(sizeof(struct sysctl_oid), M_SYSCTLOID, M_WAITOK); >- bzero(oidp, sizeof(struct sysctl_oid)); >+ oidp = malloc(sizeof(struct sysctl_oid), M_SYSCTLOID, M_WAITOK | M_ZERO); > oidp->oid_parent = parent; > SLIST_NEXT(oidp, oid_link) = NULL; > oidp->oid_number = number; >Index: link_elf.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/link_elf.c,v >retrieving revision 1.32 >diff -u -r1.32 link_elf.c >--- link_elf.c 2000/10/06 05:20:02 1.32 >+++ link_elf.c 2000/10/20 21:58:41 >@@ -728,12 +728,11 @@ > nbytes = hdr->e_shnum * hdr->e_shentsize; > if (nbytes == 0 || hdr->e_shoff == 0) > goto nosyms; >- shdr = malloc(nbytes, M_LINKER, M_WAITOK); >+ shdr = malloc(nbytes, M_LINKER, M_WAITOK | M_ZERO); > if (shdr == NULL) { > error = ENOMEM; > goto out; > } >- bzero(shdr, nbytes); > error = vn_rdwr(UIO_READ, nd.ni_vp, > (caddr_t)shdr, nbytes, hdr->e_shoff, > UIO_SYSSPACE, IO_NODELOCKED, p->p_ucred, &resid, p); >Index: subr_blist.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/subr_blist.c,v >retrieving revision 1.6 >diff -u -r1.6 subr_blist.c >--- subr_blist.c 2000/03/16 08:51:51 1.6 >+++ subr_blist.c 2000/10/20 21:59:07 >@@ -152,9 +152,7 @@ > skip = (skip + 1) << BLIST_META_RADIX_SHIFT; > } > >- bl = malloc(sizeof(struct blist), M_SWAP, M_WAITOK); >- >- bzero(bl, sizeof(*bl)); >+ bl = malloc(sizeof(struct blist), M_SWAP, M_WAITOK | M_ZERO); > > bl->bl_blocks = blocks; > bl->bl_radix = radix; >Index: tty.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/tty.c,v >retrieving revision 1.139 >diff -u -r1.139 tty.c >--- tty.c 2000/09/07 01:32:52 1.139 >+++ tty.c 2000/10/20 22:03:54 >@@ -2402,8 +2402,7 @@ > > if (tp) > return(tp); >- tp = malloc(sizeof *tp, M_TTYS, M_WAITOK); >- bzero(tp, sizeof *tp); >+ tp = malloc(sizeof *tp, M_TTYS, M_WAITOK | M_ZERO); > ttyregister(tp); > return (tp); > } >Index: tty_pty.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/tty_pty.c,v >retrieving revision 1.80 >diff -u -r1.80 tty_pty.c >--- tty_pty.c 2000/09/19 10:28:38 1.80 >+++ tty_pty.c 2000/10/20 22:04:10 >@@ -147,8 +147,7 @@ > if (n & ~0xff) > return (NODEV); > >- pt = malloc(sizeof(*pt), M_PTY, M_WAITOK); >- bzero(pt, sizeof(*pt)); >+ pt = malloc(sizeof(*pt), M_PTY, M_WAITOK | M_ZERO); > pt->devs = devs = make_dev(&pts_cdevsw, n, > UID_ROOT, GID_WHEEL, 0666, "tty%c%r", names[n / 32], n % 32); > pt->devc = devc = make_dev(&ptc_cdevsw, n, >Index: tty_snoop.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/tty_snoop.c,v >retrieving revision 1.47 >diff -u -r1.47 tty_snoop.c >--- tty_snoop.c 2000/04/02 07:02:41 1.47 >+++ tty_snoop.c 2000/10/20 22:04:38 >@@ -292,8 +292,7 @@ > if (dev->si_drv1 == NULL) { > int mynor = minor(dev); > >- dev->si_drv1 = snp = malloc(sizeof(*snp), M_SNP, M_WAITOK); >- bzero(snp, sizeof(*snp)); >+ dev->si_drv1 = snp = malloc(sizeof(*snp), M_SNP, M_WAITOK | M_ZERO); > make_dev(&snp_cdevsw, mynor, 0, 0, 0600, "snp%d", mynor); > } else > return (EBUSY); >Index: uipc_socket.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/uipc_socket.c,v >retrieving revision 1.83 >diff -u -r1.83 uipc_socket.c >--- uipc_socket.c 2000/09/28 04:41:22 1.83 >+++ uipc_socket.c 2000/10/20 22:06:52 >@@ -1038,8 +1038,7 @@ > error = ENOENT; > goto out; > } >- MALLOC(af, struct so_accf *, sizeof(*af), M_ACCF, M_WAITOK); >- bzero(af, sizeof(*af)); >+ MALLOC(af, struct so_accf *, sizeof(*af), M_ACCF, M_WAITOK | M_ZERO); > if (afp->accf_create != NULL) { > if (afap->af_name[0] != '\0') { > int len = strlen(afap->af_name) + 1; >@@ -1298,8 +1297,7 @@ > if ((so->so_options & SO_ACCEPTCONN) == 0) > return (EINVAL); > MALLOC(afap, struct accept_filter_arg *, sizeof(*afap), >- M_TEMP, M_WAITOK); >- bzero(afap, sizeof(*afap)); >+ M_TEMP, M_WAITOK | M_ZERO); > if ((so->so_options & SO_ACCEPTFILTER) != 0) { > strcpy(afap->af_name, so->so_accf->so_accept_filter->accf_name); > if (so->so_accf->so_accept_filter_str != NULL) >Index: vfs_cache.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/vfs_cache.c,v >retrieving revision 1.49 >diff -u -r1.49 vfs_cache.c >--- vfs_cache.c 2000/09/17 07:26:41 1.49 >+++ vfs_cache.c 2000/10/20 22:09:35 >@@ -299,8 +299,7 @@ > } > > ncp = (struct namecache *) >- malloc(sizeof *ncp + cnp->cn_namelen, M_VFSCACHE, M_WAITOK); >- bzero((char *)ncp, sizeof *ncp); >+ malloc(sizeof *ncp + cnp->cn_namelen, M_VFSCACHE, M_WAITOK | M_ZERO); > numcache++; > if (!vp) { > numneg++; >Index: vfs_init.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/vfs_init.c,v >retrieving revision 1.50 >diff -u -r1.50 vfs_init.c >--- vfs_init.c 2000/09/06 17:51:54 1.50 >+++ vfs_init.c 2000/10/20 22:11:23 >@@ -125,10 +125,9 @@ > if (*opv_desc_vector_p) > FREE(*opv_desc_vector_p, M_VNODE); > MALLOC(*opv_desc_vector_p, vop_t **, >- vfs_opv_numops * sizeof(vop_t *), M_VNODE, M_WAITOK); >+ vfs_opv_numops * sizeof(vop_t *), M_VNODE, M_WAITOK | M_ZERO); > if (*opv_desc_vector_p == NULL) > panic("no memory for vop_t ** vector"); >- bzero(*opv_desc_vector_p, vfs_opv_numops * sizeof(vop_t *)); > > /* Fill in, with slot 0 being to return EOPNOTSUPP */ > opv_desc_vector = *opv_desc_vector_p; >Index: vfs_subr.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/vfs_subr.c,v >retrieving revision 1.288 >diff -u -r1.288 vfs_subr.c >--- vfs_subr.c 2000/10/20 07:58:05 1.288 >+++ vfs_subr.c 2000/10/20 22:12:06 >@@ -339,8 +339,7 @@ > break; > if (vfsp == NULL) > return (ENODEV); >- mp = malloc((u_long)sizeof(struct mount), M_MOUNT, M_WAITOK); >- bzero((char *)mp, (u_long)sizeof(struct mount)); >+ mp = malloc((u_long)sizeof(struct mount), M_MOUNT, M_WAITOK | M_ZERO); > lockinit(&mp->mnt_lock, PVFS, "vfslock", 0, LK_NOPAUSE); > (void)vfs_busy(mp, LK_NOWAIT, 0, p); > LIST_INIT(&mp->mnt_vnodelist); >@@ -2320,8 +2319,7 @@ > return (0); > } > i = sizeof(struct netcred) + argp->ex_addrlen + argp->ex_masklen; >- np = (struct netcred *) malloc(i, M_NETADDR, M_WAITOK); >- bzero((caddr_t) np, i); >+ np = (struct netcred *) malloc(i, M_NETADDR, M_WAITOK | M_ZERO); > saddr = (struct sockaddr *) (np + 1); > if ((error = copyin(argp->ex_addr, (caddr_t) saddr, argp->ex_addrlen))) > goto out; >Index: vfs_syscalls.c >=================================================================== >RCS file: /usr/home/ncvs/src/sys/kern/vfs_syscalls.c,v >retrieving revision 1.169 >diff -u -r1.169 vfs_syscalls.c >--- vfs_syscalls.c 2000/10/04 01:29:09 1.169 >+++ vfs_syscalls.c 2000/10/20 22:12:46 >@@ -255,8 +255,7 @@ > /* > * Allocate and initialize the filesystem. > */ >- mp = malloc(sizeof(struct mount), M_MOUNT, M_WAITOK); >- bzero((char *)mp, (u_long)sizeof(struct mount)); >+ mp = malloc(sizeof(struct mount), M_MOUNT, M_WAITOK | M_ZERO); > lockinit(&mp->mnt_lock, PVFS, "vfslock", 0, LK_NOPAUSE); > (void)vfs_busy(mp, LK_NOWAIT, 0, p); > mp->mnt_op = vfsp->vfc_vfsops;
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bug 22168
: 11214