/* * Check decoding of ioctl SG_IO v4 commands. * * Copyright (c) 2017-2018 Dmitry V. Levin * Copyright (c) 2017-2019 The strace developers. * All rights reserved. * * SPDX-License-Identifier: GPL-2.0-or-later */ #include "tests.h" #ifdef HAVE_LINUX_BSG_H # include # include # include # include # include # define XLAT_MACROS_ONLY # include "xlat/scsi_sg_commands.h" # undef XLAT_MACROS_ONLY int main(void) { ioctl(-1, SG_IO, 0); printf("ioctl(-1, SG_IO, NULL) = -1 EBADF (%m)\n"); TAIL_ALLOC_OBJECT_CONST_PTR(struct sg_io_v4, sg_io); fill_memory(sg_io, sizeof(*sg_io)); const void *const efault = sg_io + 1; ioctl(-1, SG_IO, efault); printf("ioctl(-1, SG_IO, %p) = -1 EBADF (%m)\n", efault); ioctl(-1, SG_IO, sg_io); printf("ioctl(-1, SG_IO, [%u]) = -1 EBADF (%m)\n", sg_io->guard); TAIL_ALLOC_OBJECT_CONST_PTR(unsigned int, pguard); *pguard = (unsigned char) 'Q'; ioctl(-1, SG_IO, pguard); printf("ioctl(-1, SG_IO, {guard='Q', %p}) = -1 EBADF (%m)\n", pguard + 1); sg_io->guard = (unsigned char) 'Q'; sg_io->protocol = 0; sg_io->subprotocol = 1; sg_io->flags = -1U; sg_io->info = -1U; sg_io->request = (kernel_ulong_t) 0xfacefeedfffffff1ULL; sg_io->response = (kernel_ulong_t) 0xfacefeedfffffff2ULL; sg_io->dout_xferp = (kernel_ulong_t) 0xfacefeedfffffff3ULL; sg_io->din_xferp = (kernel_ulong_t) 0xfacefeedfffffff4ULL; ioctl(-1, SG_IO, sg_io); printf("ioctl(-1, SG_IO, {guard='Q'" ", protocol=BSG_PROTOCOL_SCSI" ", subprotocol=BSG_SUB_PROTOCOL_SCSI_TMF" ", request_len=%u" ", request=%#llx" ", request_tag=%#" PRI__x64 ", request_attr=%u" ", request_priority=%u" ", request_extra=%u" ", max_response_len=%u" ", dout_iovec_count=%u" ", dout_xfer_len=%u" ", din_iovec_count=%u" ", din_xfer_len=%u" ", dout_xferp=%#llx" ", timeout=%u" ", flags=BSG_FLAG_Q_AT_TAIL|BSG_FLAG_Q_AT_HEAD|0xffffffcf" ", usr_ptr=%#" PRI__x64 ", response_len=%u" ", response=%#llx" ", din_xferp=%#llx" ", driver_status=%#x" ", transport_status=%#x" ", device_status=%#x" ", retry_delay=%u" ", info=SG_INFO_CHECK|SG_INFO_DIRECT_IO|SG_INFO_MIXED_IO|0xfffffff8" ", duration=%u" ", response_len=%u" ", din_resid=%d" ", dout_resid=%d" ", generated_tag=%#" PRI__x64 "}) = -1 EBADF (%m)\n", sg_io->request_len, (unsigned long long) (kernel_ulong_t) sg_io->request, sg_io->request_tag, sg_io->request_attr, sg_io->request_priority, sg_io->request_extra, sg_io->max_response_len, sg_io->dout_iovec_count, sg_io->dout_xfer_len, sg_io->din_iovec_count, sg_io->din_xfer_len, (unsigned long long) (kernel_ulong_t) sg_io->dout_xferp, sg_io->timeout, sg_io->usr_ptr, sg_io->response_len, (unsigned long long) (kernel_ulong_t) sg_io->response, (unsigned long long) (kernel_ulong_t) sg_io->din_xferp, sg_io->driver_status, sg_io->transport_status, sg_io->device_status, sg_io->retry_delay, sg_io->duration, sg_io->response_len, sg_io->din_resid, sg_io->dout_resid, sg_io->generated_tag); const struct iovec iov[] = { { .iov_base = (void *) efault - 2, .iov_len = 2 }, { .iov_base = (void *) efault - 3, .iov_len = 4 } }; const struct iovec *const t_iov = tail_memdup(iov, sizeof(iov)); sg_io->dout_iovec_count = ARRAY_SIZE(iov); sg_io->dout_xfer_len = iov[0].iov_len + iov[1].iov_len - 1; sg_io->dout_xferp = (unsigned long) t_iov; sg_io->din_iovec_count = 0; sg_io->din_xfer_len = 5; sg_io->din_resid = 1; sg_io->din_xferp = (unsigned long) efault - (sg_io->dout_xfer_len - sg_io->din_resid); sg_io->request_len = 3; sg_io->request = (unsigned long) efault - sg_io->request_len; sg_io->response_len = 2; sg_io->response = (unsigned long) efault - sg_io->response_len; sg_io->flags = 0x20; sg_io->info = 1; ioctl(-1, SG_IO, sg_io); printf("ioctl(-1, SG_IO, {guard='Q'" ", protocol=BSG_PROTOCOL_SCSI" ", subprotocol=BSG_SUB_PROTOCOL_SCSI_TMF" ", request_len=%u" ", request=\"\\x%x\\x%x\\x%x\"" ", request_tag=%#" PRI__x64 ", request_attr=%u" ", request_priority=%u" ", request_extra=%u" ", max_response_len=%u" ", dout_iovec_count=%u" ", dout_xfer_len=%u" ", din_iovec_count=%u" ", din_xfer_len=%u" ", dout_xferp=[{iov_base=\"\\%o\\%o\", iov_len=%u}" ", {iov_base=\"\\%o\\%o\\%o\", iov_len=%u}]" ", timeout=%u, flags=BSG_FLAG_Q_AT_HEAD" ", usr_ptr=%#" PRI__x64 ", response_len=%u" ", response=\"\\x%x\\x%x\"" ", din_xferp=\"\\x%x\\x%x\\x%x\\x%x\"" ", driver_status=%#x" ", transport_status=%#x" ", device_status=%#x" ", retry_delay=%u" ", info=SG_INFO_CHECK" ", duration=%u" ", response_len=%u" ", din_resid=%d" ", dout_resid=%d" ", generated_tag=%#" PRI__x64 "}) = -1 EBADF (%m)\n", sg_io->request_len, *(unsigned char *) ((unsigned long) sg_io->request + 0), *(unsigned char *) ((unsigned long) sg_io->request + 1), *(unsigned char *) ((unsigned long) sg_io->request + 2), sg_io->request_tag, sg_io->request_attr, sg_io->request_priority, sg_io->request_extra, sg_io->max_response_len, sg_io->dout_iovec_count, sg_io->dout_xfer_len, sg_io->din_iovec_count, sg_io->din_xfer_len, *(unsigned char *) (iov[0].iov_base + 0), *(unsigned char *) (iov[0].iov_base + 1), (unsigned int) iov[0].iov_len, *(unsigned char *) (iov[1].iov_base + 0), *(unsigned char *) (iov[1].iov_base + 1), *(unsigned char *) (iov[1].iov_base + 2), (unsigned int) iov[1].iov_len, sg_io->timeout, sg_io->usr_ptr, sg_io->response_len, *(unsigned char *) ((unsigned long) sg_io->response + 0), *(unsigned char *) ((unsigned long) sg_io->response + 1), *(unsigned char *) ((unsigned long) sg_io->din_xferp + 0), *(unsigned char *) ((unsigned long) sg_io->din_xferp + 1), *(unsigned char *) ((unsigned long) sg_io->din_xferp + 2), *(unsigned char *) ((unsigned long) sg_io->din_xferp + 3), sg_io->driver_status, sg_io->transport_status, sg_io->device_status, sg_io->retry_delay, sg_io->duration, sg_io->response_len, sg_io->din_resid, sg_io->dout_resid, sg_io->generated_tag); puts("+++ exited with 0 +++"); return 0; } #else SKIP_MAIN_UNDEFINED("HAVE_LINUX_BSG_H") #endif