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D31313.id92769.diff
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D31313.id92769.diff
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Index: sys/netpfil/pf/pf_ioctl.c
===================================================================
--- sys/netpfil/pf/pf_ioctl.c
+++ sys/netpfil/pf/pf_ioctl.c
@@ -3873,7 +3873,6 @@
case DIOCRGETTABLES: {
struct pfioc_table *io = (struct pfioc_table *)addr;
struct pfr_table *pfrts;
- size_t totlen;
int n;
if (io->pfrio_esize != sizeof(struct pfr_table)) {
@@ -3889,8 +3888,6 @@
}
io->pfrio_size = min(io->pfrio_size, n);
- totlen = io->pfrio_size * sizeof(struct pfr_table);
-
pfrts = mallocarray(io->pfrio_size, sizeof(struct pfr_table),
M_TEMP, M_NOWAIT);
if (pfrts == NULL) {
@@ -3901,8 +3898,10 @@
error = pfr_get_tables(&io->pfrio_table, pfrts,
&io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
PF_RULES_RUNLOCK();
- if (error == 0)
- error = copyout(pfrts, io->pfrio_buffer, totlen);
+ if (error == 0) {
+ error = copyout(pfrts, io->pfrio_buffer,
+ io->pfrio_size * sizeof(struct pfr_table));
+ }
free(pfrts, M_TEMP);
break;
}
@@ -3910,7 +3909,6 @@
case DIOCRGETTSTATS: {
struct pfioc_table *io = (struct pfioc_table *)addr;
struct pfr_tstats *pfrtstats;
- size_t totlen;
int n;
if (io->pfrio_esize != sizeof(struct pfr_tstats)) {
@@ -3928,7 +3926,6 @@
}
io->pfrio_size = min(io->pfrio_size, n);
- totlen = io->pfrio_size * sizeof(struct pfr_tstats);
pfrtstats = mallocarray(io->pfrio_size,
sizeof(struct pfr_tstats), M_TEMP, M_NOWAIT);
if (pfrtstats == NULL) {
@@ -3941,8 +3938,10 @@
&io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
PF_RULES_RUNLOCK();
PF_TABLE_STATS_UNLOCK();
- if (error == 0)
- error = copyout(pfrtstats, io->pfrio_buffer, totlen);
+ if (error == 0) {
+ error = copyout(pfrtstats, io->pfrio_buffer,
+ io->pfrio_size * sizeof(struct pfr_tstats));
+ }
free(pfrtstats, M_TEMP);
break;
}
@@ -4148,7 +4147,6 @@
case DIOCRGETADDRS: {
struct pfioc_table *io = (struct pfioc_table *)addr;
struct pfr_addr *pfras;
- size_t totlen;
if (io->pfrio_esize != sizeof(struct pfr_addr)) {
error = ENODEV;
@@ -4160,15 +4158,16 @@
error = EINVAL;
break;
}
- totlen = io->pfrio_size * sizeof(struct pfr_addr);
pfras = mallocarray(io->pfrio_size, sizeof(struct pfr_addr),
M_TEMP, M_WAITOK);
PF_RULES_RLOCK();
error = pfr_get_addrs(&io->pfrio_table, pfras,
&io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
PF_RULES_RUNLOCK();
- if (error == 0)
- error = copyout(pfras, io->pfrio_buffer, totlen);
+ if (error == 0) {
+ error = copyout(pfras, io->pfrio_buffer,
+ io->pfrio_size * sizeof(struct pfr_addr));
+ }
free(pfras, M_TEMP);
break;
}
@@ -4176,7 +4175,6 @@
case DIOCRGETASTATS: {
struct pfioc_table *io = (struct pfioc_table *)addr;
struct pfr_astats *pfrastats;
- size_t totlen;
if (io->pfrio_esize != sizeof(struct pfr_astats)) {
error = ENODEV;
@@ -4188,15 +4186,16 @@
error = EINVAL;
break;
}
- totlen = io->pfrio_size * sizeof(struct pfr_astats);
pfrastats = mallocarray(io->pfrio_size,
sizeof(struct pfr_astats), M_TEMP, M_WAITOK);
PF_RULES_RLOCK();
error = pfr_get_astats(&io->pfrio_table, pfrastats,
&io->pfrio_size, io->pfrio_flags | PFR_FLAG_USERIOCTL);
PF_RULES_RUNLOCK();
- if (error == 0)
- error = copyout(pfrastats, io->pfrio_buffer, totlen);
+ if (error == 0) {
+ error = copyout(pfrastats, io->pfrio_buffer,
+ io->pfrio_size * sizeof(struct pfr_astats));
+ }
free(pfrastats, M_TEMP);
break;
}
@@ -4681,7 +4680,6 @@
case DIOCIGETIFACES: {
struct pfioc_iface *io = (struct pfioc_iface *)addr;
struct pfi_kif *ifstore;
- size_t bufsiz;
if (io->pfiio_esize != sizeof(struct pfi_kif)) {
error = ENODEV;
@@ -4695,14 +4693,14 @@
break;
}
- bufsiz = io->pfiio_size * sizeof(struct pfi_kif);
ifstore = mallocarray(io->pfiio_size, sizeof(struct pfi_kif),
M_TEMP, M_WAITOK);
PF_RULES_RLOCK();
pfi_get_ifaces(io->pfiio_name, ifstore, &io->pfiio_size);
PF_RULES_RUNLOCK();
- error = copyout(ifstore, io->pfiio_buffer, bufsiz);
+ error = copyout(ifstore, io->pfiio_buffer,
+ io->pfiio_size * sizeof(struct pfi_kif));
free(ifstore, M_TEMP);
break;
}
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D31313.id92769.diff (4 KB)
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D31313: pf: Fix ioctls which copy out arrays
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