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poke: Add missing IS_USER_ADDRESS checks.

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Augustin Cavalier
2025-07-12 16:46:05 -04:00
parent 801c025d7b
commit 0e32637090
1 changed files with 5 additions and 0 deletions
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src/add-ons/kernel/drivers/misc/poke.cpp
+5
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@@ -140,6 +140,9 @@ poke_free(void* cookie)
status_t status_t
poke_control(void* cookie, uint32 op, void* arg, size_t length) poke_control(void* cookie, uint32 op, void* arg, size_t length)
{ {
if (!IS_USER_ADDRESS(arg))
return B_BAD_ADDRESS;
switch (op) { switch (op) {
case POKE_PORT_READ: case POKE_PORT_READ:
{ {
@@ -259,6 +262,8 @@ poke_control(void* cookie, uint32 op, void* arg, size_t length)
return B_BAD_ADDRESS; return B_BAD_ADDRESS;
if (ioctl.signature != POKE_SIGNATURE) if (ioctl.signature != POKE_SIGNATURE)
return B_BAD_VALUE; return B_BAD_VALUE;
if (!IS_USER_ADDRESS(ioctl.info))
return B_BAD_ADDRESS;
pci_info info; pci_info info;
ioctl.status = pci->get_nth_pci_info(ioctl.index, &info); ioctl.status = pci->get_nth_pci_info(ioctl.index, &info);