Automated Code Analysis

cppcheck analysis of xen_4.1.0~rc6-1.dsc

• ./extras/mini-os/lib/math.c:163 [error] - Division by zero
• ./extras/mini-os/lib/xmalloc.c:224 [error] - Null pointer dereference
• ./extras/mini-os/lib/xmalloc.c:231 [error] - Null pointer dereference
• ./extras/mini-os/lib/xmalloc.c:267 [error] - Null pointer dereference
• ./stubdom/grub/kexec.c:81 [error] - Common realloc mistake: "pages" nulled but not freed upon failure
• ./stubdom/grub/kexec.c:82 [error] - Common realloc mistake: "pages_mfns" nulled but not freed upon failure
• ./tools/blktap/drivers/blktapctrl.c:829 [error] - Resource leak: fd
• ./tools/blktap/drivers/block-qcow.c:751 [error] - Null pointer dereference
• ./tools/blktap/drivers/block-qcow2.c:700 [error] - Memory leak: new_l1_table
• ./tools/blktap/drivers/tapdisk.c:605 [error] - Null pointer dereference
• ./tools/blktap/drivers/tapdisk.c:659 [error] - Null pointer dereference
• ./tools/blktap/drivers/tapdisk.c:665 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:307 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:909 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1051 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1118 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1130 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1131 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1132 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1204 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1220 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1272 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1293 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1353 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1356 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1388 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1391 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1463 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1464 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1534 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1561 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1565 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1566 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1606 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1608 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1611 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1648 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1653 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1730 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1816 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1942 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:1944 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2000 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2002 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2005 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2042 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2043 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2044 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2076 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2093 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2130 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2131 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2132 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2166 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2182 [error] - Null pointer dereference
• ./tools/blktap2/drivers/block-vhd.c:2234 [error] - Null pointer dereference
• ./tools/blktap2/drivers/lock.c:144 [error] - Memory leak: buf
• ./tools/blktap2/drivers/lock.c:265 [error] - Resource leak: pd
• ./tools/blktap2/drivers/lock.c:795 [error] - Resource leak: fptr
• ./tools/blktap2/drivers/tapdisk-vbd.c:1575 [error] - Null pointer dereference
• ./tools/blktap2/drivers/tapdisk-vbd.c:1576 [error] - Null pointer dereference
• ./tools/firmware/rombios/rombios.c:9328 [error] - Invalid number of character (() when these macros are defined: ''.
• ./tools/firmware/rombios/rombios.c:9328 [error] - Invalid number of character (() when these macros are defined: 'BX_QEMU'.
• ./tools/firmware/rombios/rombios.c:9328 [error] - Invalid number of character (() when these macros are defined: 'HVMTEST'.
• ./tools/firmware/rombios/rombios.c:9328 [error] - Invalid number of character (() when these macros are defined: 'NO_PIO32'.
• ./tools/firmware/rombios/rombios.c:9328 [error] - Invalid number of character (() when these macros are defined: 'PLEX86'.
• ./tools/libxc/xc_domain_restore.c:314 [error] - Memory leak: p2m_frame_list
• ./tools/libxc/xc_solaris.c:108 [error] - Uninitialized variable: fd
• ./tools/libxc/xc_solaris.c:137 [error] - Uninitialized variable: fd
• ./tools/libxc/xtl_logger_stdio.c:156 [error] - Memory leak: new_consumer
• ./tools/libxl/libxl.c:354 [error] - Memory leak: ptr
• ./tools/libxl/libxl.c:433 [error] - Memory leak: ptr
• ./tools/libxl/libxl.c:867 [error] - Resource leak: autopass_fd
• ./tools/libxl/libxl.c:2699 [error] - Memory leak: buf
• ./tools/libxl/libxl_cpuid.c:223 [error] - Memory leak: resstr
• ./tools/libxl/libxl_internal.c:145 [error] - Memory leak: ptr
• ./tools/libxl/libxl_internal.c:206 [error] - Resource leak: fd
• ./tools/libxl/xl_cmdimpl.c:1437 [error] - Common realloc mistake: "config_data" nulled but not freed upon failure
• ./tools/memshr/bidir-hash.c:792 [error] - Memory leak: entry
• ./tools/misc/gtracestat.c:338 [error] - Common realloc mistake: "data" nulled but not freed upon failure
• ./tools/misc/gtracestat.c:434 [error] - Resource leak: fd
• ./tools/misc/gtraceview.c:473 [error] - Common realloc mistake: "data" nulled but not freed upon failure
• ./tools/misc/xen-hvmctx.c:126 [error] - Buffer access out-of-bounds: r.xmm
• ./tools/security/secpol_tool.c:351 [error] - Resource leak: fd
• ./tools/vtpm_manager/manager/securestorage.c:219 [error] - Resource leak: fh
• ./tools/vtpm_manager/manager/securestorage.c:293 [error] - Resource leak: fh
• ./tools/vtpm_manager/manager/vtsp.c:399 [error] - Uninitialized variable: paramText
• ./tools/xcutils/readnotes.c:153 [error] - Resource leak: fd
• ./tools/xcutils/xc_save.c:117 [error] - Common realloc mistake: "path" nulled but not freed upon failure
• ./tools/xenpaging/policy_default.c:87 [error] - Null pointer dereference
• ./tools/xenstat/libxenstat/src/xenstat_linux.c:162 [error] - Common realloc mistake: "tmp" nulled but not freed upon failure
• ./tools/xenstore/xenstore_client.c:60 [error] - Common realloc mistake: "output_buf" nulled but not freed upon failure
• ./tools/xenstore/xenstored_core.c:1674 [error] - Resource leak: fd
• ./tools/xenstore/xs.c:1017 [error] - Memory leak: msg
• ./tools/xenstore/xs.c:1017 [error] - Memory leak: msg.body
• ./xen/arch/ia64/linux-xen/process-linux-xen.c:607 [error] - Uninitialized variable: cfm
• ./xen/arch/ia64/linux-xen/sn/kernel/io_init.c:777 [error] - Undefined behaviour: address is used wrong in call to sprintf or snprintf. Quote: If copying takes place between objects that overlap as a result of a call to sprintf() or snprintf(), the results are undefined.
• ./xen/arch/ia64/tools/privify/privify_elf64.c:48 [error] - Resource leak: from
• ./xen/arch/ia64/tools/privify/privify_elf64.c:61 [error] - Resource leak: to
• ./xen/arch/x86/cpu/amd.c:96 [error] - Uninitialized variable: status
• ./xen/arch/x86/mm/mem_sharing.c:227 [error] - instance of "shr_lock" object destroyed immediately
• ./xen/arch/x86/mm/mem_sharing.c:507 [error] - instance of "shr_lock" object destroyed immediately
• ./xen/arch/x86/mm/mem_sharing.c:585 [error] - instance of "shr_lock" object destroyed immediately
• ./xen/arch/x86/mm/mem_sharing.c:644 [error] - instance of "shr_lock" object destroyed immediately
• ./xen/arch/x86/oprofile/nmi_int.c:307 [error] - Invalid number of character (() when these macros are defined: ''.
• ./xen/arch/x86/setup.c:1374 [error] - Uninitialized variable: xen_regions
• ./xen/common/gdbstub.c:274 [error] - Uninitialized variable: i
• ./xen/common/page_alloc.c:316 [error] - Uninitialized variable: first_node
• ./xen/crypto/vmac.c:1014 [error] - Array 'in[2]' index 15 out of bounds
• ./xen/crypto/vmac.c:1025 [error] - Array 'in[2]' index 15 out of bounds
• ./xen/crypto/vmac.c:1037 [error] - Array 'in[2]' index 15 out of bounds
• ./xen/crypto/vmac.c:1161 [error] - Memory leak: p
• ./xen/crypto/vmac.c:1109 [error] - Data is allocated but not initialized: p
• ./xen/tools/symbols.c:171 [error] - Common realloc mistake: "table" nulled but not freed upon failure

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