cppcheck analysis of xen_4.0.1-1.dsc

./extras/mini-os/lib/math.c:167 [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:713 [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:306 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:908 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1050 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1117 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1129 [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:1203 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1219 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1271 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1292 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1352 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1355 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1387 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1390 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1462 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1463 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1533 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1560 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1564 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1565 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1605 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1607 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1610 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1647 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1652 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1729 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1815 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1941 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1943 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:1999 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2001 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2004 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2041 [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:2075 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2092 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2129 [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:2165 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2181 [error] - Null pointer dereference
./tools/blktap2/drivers/block-vhd.c:2233 [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:1822 [error] - Null pointer dereference
./tools/blktap2/drivers/tapdisk-vbd.c:1823 [error] - Null pointer dereference
./tools/firmware/rombios/rombios.c:9329 [error] - Invalid number of character (() when these macros are defined: ''.
./tools/firmware/rombios/rombios.c:9329 [error] - Invalid number of character (() when these macros are defined: 'BX_QEMU'.
./tools/firmware/rombios/rombios.c:9329 [error] - Invalid number of character (() when these macros are defined: 'HVMTEST'.
./tools/firmware/rombios/rombios.c:9329 [error] - Invalid number of character (() when these macros are defined: 'NO_PIO32'.
./tools/firmware/rombios/rombios.c:9329 [error] - Invalid number of character (() when these macros are defined: 'PLEX86'.
./tools/libfsimage/zfs/fsys_zfs.c:1127 [error] - Undefined behaviour: bootpath 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.
./tools/libxc/xc_domain_restore.c:292 [error] - Memory leak: p2m_frame_list
./tools/libxc/xc_private.c:74 [error] - Memory leak: last_error
./tools/libxc/xc_private.c:109 [error] - Memory leak: last_error
./tools/libxl/libxl.c:425 [error] - Memory leak: ptr
./tools/libxl/libxl.c:2837 [error] - Memory leak: buf
./tools/libxl/libxlu_cfg.c:42 [error] - Resource leak: f
./tools/libxl/xl_cmdimpl.c:962 [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:329 [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:148 [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:63 [error] - Null pointer dereference
./tools/xenpaging/xenpaging.c:489 [error] - Memory leak: victims
./tools/xenpaging/xenpaging.c:618 [error] - Resource leak: fd
./tools/xenstat/libxenstat/src/xenstat_linux.c:162 [error] - Common realloc mistake: "tmp" nulled but not freed upon failure
./tools/xenstore/xenstore_client.c:59 [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:951 [error] - Memory leak: msg
./tools/xenstore/xs.c:951 [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:70 [error] - Uninitialized variable: status
./xen/arch/x86/mm/mem_sharing.c:230 [error] - instance of "shr_lock" object destroyed immediately
./xen/arch/x86/mm/mem_sharing.c:527 [error] - instance of "shr_lock" object destroyed immediately
./xen/arch/x86/mm/mem_sharing.c:582 [error] - instance of "shr_lock" object destroyed immediately
./xen/arch/x86/mm/mem_sharing.c:645 [error] - instance of "shr_lock" object destroyed immediately
./xen/arch/x86/oprofile/nmi_int.c:322 [error] - Invalid number of character (() when these macros are defined: ''.
./xen/arch/x86/setup.c:1238 [error] - Uninitialized variable: xen_regions
./xen/common/gdbstub.c:273 [error] - Uninitialized variable: i
./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
./xen/xsm/xsm_policy.c:53 [error] - Null pointer dereference

Note: if you think the results reveal a security bug, please don't hesitate to contact the security team
This report was generated on Mon, 20 Dec 2010 21:20:20 +0000, based on results by cppcheck 1.46

Automated Code Analysis

cppcheck analysis of xen_4.0.1-1.dsc