mirror of
https://github.com/darlinghq/darling-xnu.git
synced 2024-11-23 12:39:55 +00:00
80 lines
2.7 KiB
C
80 lines
2.7 KiB
C
/*
|
|
* Test that sending a message to a voucher with the same voucher as the voucher port
|
|
* with only one send right count with move send before the copy send doesn't panic.
|
|
*
|
|
* clang -o voucherentry voucherentry.c -ldarwintest -Weverything -Wno-gnu-flexible-array-initializer
|
|
*
|
|
* <rdar://problem/18826844>
|
|
*/
|
|
|
|
#include <mach/mach.h>
|
|
#include <darwintest.h>
|
|
|
|
T_GLOBAL_META(T_META_RUN_CONCURRENTLY(true));
|
|
|
|
T_DECL(voucher_entry, "voucher_entry", T_META_CHECK_LEAKS(false), T_META_ALL_VALID_ARCHS(true))
|
|
{
|
|
kern_return_t kr = KERN_SUCCESS;
|
|
mach_voucher_t voucher = MACH_VOUCHER_NULL;
|
|
|
|
/*
|
|
* The bank voucher already exists in this process, so using it doesn't
|
|
* actually test the problem. Use an importance voucher instead.
|
|
*/
|
|
mach_voucher_attr_recipe_data_t recipe = {
|
|
.key = MACH_VOUCHER_ATTR_KEY_IMPORTANCE,
|
|
.command = MACH_VOUCHER_ATTR_IMPORTANCE_SELF,
|
|
.previous_voucher = MACH_VOUCHER_NULL,
|
|
.content_size = 0,
|
|
};
|
|
|
|
kr = host_create_mach_voucher(mach_host_self(),
|
|
(mach_voucher_attr_raw_recipe_array_t)&recipe,
|
|
sizeof(recipe), &voucher);
|
|
|
|
T_ASSERT_MACH_SUCCESS(kr, "host_create_mach_voucher");
|
|
|
|
T_ASSERT_NOTNULL(voucher, "voucher must not be null");
|
|
|
|
mach_port_urefs_t refs = 0;
|
|
|
|
kr = mach_port_get_refs(mach_task_self(), voucher, MACH_PORT_RIGHT_SEND, &refs);
|
|
|
|
T_ASSERT_MACH_SUCCESS(kr, "mach_port_get_refs");
|
|
|
|
T_ASSERT_EQ(refs, (mach_port_urefs_t)1, "voucher must have only one ref");
|
|
|
|
/* First, try with two moves (must fail because there's only one ref) */
|
|
mach_msg_header_t request_msg_1 = {
|
|
.msgh_remote_port = voucher,
|
|
.msgh_local_port = MACH_PORT_NULL,
|
|
.msgh_voucher_port = voucher,
|
|
.msgh_bits = MACH_MSGH_BITS_SET(MACH_MSG_TYPE_MOVE_SEND, 0, MACH_MSG_TYPE_MOVE_SEND, 0),
|
|
.msgh_id = 0xDEAD,
|
|
.msgh_size = sizeof(request_msg_1),
|
|
};
|
|
|
|
kr = mach_msg_send(&request_msg_1);
|
|
|
|
T_ASSERT_MACH_ERROR(MACH_SEND_INVALID_DEST, kr, "send with two moves should fail with invalid dest");
|
|
|
|
/* Next, try with a move and a copy (will succeed and destroy the last ref) */
|
|
mach_msg_header_t request_msg_2 = {
|
|
.msgh_remote_port = voucher,
|
|
.msgh_local_port = MACH_PORT_NULL,
|
|
.msgh_voucher_port = voucher,
|
|
.msgh_bits = MACH_MSGH_BITS_SET(MACH_MSG_TYPE_MOVE_SEND, 0, MACH_MSG_TYPE_COPY_SEND, 0),
|
|
.msgh_id = 0xDEAD,
|
|
.msgh_size = sizeof(request_msg_2),
|
|
};
|
|
|
|
/* panic happens here */
|
|
kr = mach_msg_send(&request_msg_2);
|
|
|
|
T_ASSERT_MACH_SUCCESS(kr, "send with move and copy succeeds");
|
|
|
|
kr = mach_port_get_refs(mach_task_self(), voucher, MACH_PORT_RIGHT_SEND, &refs);
|
|
|
|
T_ASSERT_MACH_ERROR(KERN_INVALID_NAME, kr, "voucher should now be invalid name");
|
|
}
|