Avoid that Valgrind reports complaints similar to the following: Syscall param writev(vector[...]) points to uninitialised byte(s) at 0x5567087: writev (writev.c:49) by 0x5265AE0: iscsi_iovector_readv_writev (socket.c:492) by 0x52666B5: iscsi_write_to_socket (socket.c:710) by 0x5266CCC: iscsi_service (socket.c:852) by 0x526751F: event_loop (sync.c:67) by 0x5269B41: iscsi_scsi_command_sync (sync.c:1153) by 0x4050F6: send_scsi_command (iscsi-support.c:245) by 0x408007: compareandwrite (iscsi-support.c:1512) by 0x40B6AD: test_compareandwrite_dpofua (test_compareandwrite_dpofua.c:69) by 0x503EC99: ??? (in /usr/lib/libcunit.so.1.0.1) by 0x503EF27: ??? (in /usr/lib/libcunit.so.1.0.1) by 0x503F2A5: CU_run_all_tests (in /usr/lib/libcunit.so.1.0.1) Address 0xffeffff10 is on thread 1's stack in frame #8, created by test_compareandwrite_dpofua (test_compareandwrite_dpofua.c:30) Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/*
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Copyright (C) 2013 Ronnie Sahlberg <ronniesahlberg@gmail.com>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <CUnit/CUnit.h>
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#include "iscsi.h"
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#include "scsi-lowlevel.h"
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#include "iscsi-support.h"
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#include "iscsi-test-cu.h"
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void
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test_writesame16_unmap_until_end(void)
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{
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int ret;
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unsigned int i, j;
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unsigned char *buf = alloca(256 * block_size);
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unsigned char *zeroBlock;
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CHECK_FOR_DATALOSS;
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CHECK_FOR_THIN_PROVISIONING;
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CHECK_FOR_LBPWS;
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CHECK_FOR_SBC;
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zeroBlock = alloca(block_size);
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memset(zeroBlock, 0, block_size);
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logging(LOG_VERBOSE, LOG_BLANK_LINE);
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logging(LOG_VERBOSE, "Test WRITESAME16 of 1-256 blocks at the end of the LUN by setting number-of-blocks==0");
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memset(buf, 0xa6, 256 * block_size);
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for (i = 1; i <= 256; i++) {
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logging(LOG_VERBOSE, "Write %d blocks of 0xFF", i);
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memset(buf, 0xff, block_size * i);
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ret = write16(sd, num_blocks - i,
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i * block_size, block_size, 0, 0, 0, 0, 0, buf,
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EXPECT_STATUS_GOOD);
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logging(LOG_VERBOSE, "Unmap %d blocks using WRITESAME16", i);
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ret = writesame16(sd, num_blocks - i,
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0, i, 0, 1, 0, 0, NULL,
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EXPECT_STATUS_GOOD);
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if (ret == -2) {
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logging(LOG_NORMAL, "[SKIPPED] WRITESAME16 is not implemented.");
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CU_PASS("[SKIPPED] Target does not support WRITESAME16. Skipping test");
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return;
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}
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CU_ASSERT_EQUAL(ret, 0);
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if (rc16->lbprz) {
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logging(LOG_VERBOSE, "LBPRZ is set. Read the unmapped "
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"blocks back and verify they are all zero");
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logging(LOG_VERBOSE, "Read %d blocks and verify they "
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"are now zero", i);
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ret = read16(sd, num_blocks - i,
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i * block_size, block_size,
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0, 0, 0, 0, 0, buf,
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EXPECT_STATUS_GOOD);
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for (j = 0; j < i; j++) {
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CU_ASSERT_EQUAL(memcmp(buf + j*block_size, zeroBlock, block_size), 0);
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}
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} else {
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logging(LOG_VERBOSE, "LBPRZ is clear. Skip the read "
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"and verify zero test");
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}
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}
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}
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