Marc Hartmayer f4ed0b0ec6 zdump: check size before mmap'ing ...

Verify that the size is large enough before doing the mmap. Otherwise
this can result in a SIGBUS signal if there is an attempt to access a
page that lies beyond the end of the mapped file (see `man 2 mmap`).

Fixes: 8fa1b5a00b ("zdump: dfi: add support to read Protected Virtualization dumps")
Signed-off-by: Marc Hartmayer <mhartmay@linux.ibm.com>
Reviewed-by: Steffen Eiden <seiden@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

2022-11-29 17:03:57 +01:00

..

df_elf.c

zdump: add guarded storage support for ELF input and output format

2022-10-22 20:27:16 +02:00

df_elf.h

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

df_lkcd.h

zdump: Make use of __packed macro

2019-12-12 18:04:32 +01:00

df_s390.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

df_s390.h

zdump/dfi: Fix illegal memory access in dfi_cpu_add_from_lc()

2021-10-01 14:59:56 +02:00

dfi_devmem.c

zdump: Include dfi_mem_chunk.h only if required

2021-11-10 15:12:10 +01:00

dfi_elf_common.c

zdump: refactor pt_load_add

2022-10-22 20:27:16 +02:00

dfi_elf_common.h

zdump: refactor pt_load_add

2022-10-22 20:27:16 +02:00

dfi_elf.c

zdump: refactor pt_load_add

2022-10-22 20:27:16 +02:00

dfi_kdump.c

zdump: Include dfi_mem_chunk.h only if required

2021-11-10 15:12:10 +01:00

dfi_lkcd.c

zdump: Include dfi_mem_chunk.h only if required

2021-11-10 15:12:10 +01:00

dfi_mem_chunk.c

zdump/dfi_mem_chunk: Validate parameters passed to dfi_mem_phys_read()

2021-11-10 14:59:57 +01:00

dfi_mem_chunk.h

zdump/dfi_mem_chunk: Validate parameters passed to dfi_mem_phys_read()

2021-11-10 14:59:57 +01:00

dfi_ngdump.c

zdump: Implement DFI interface for NGDump

2022-06-20 13:14:05 +02:00

dfi_pv_elf.c

zdump: check size before mmap'ing

2022-11-29 17:03:57 +01:00

dfi_s390_ext.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dfi_s390.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dfi_s390mv_ext.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dfi_s390mv.c

zdump/dfi: Fix segfault due to double free

2022-04-19 18:37:17 +02:00

dfi_s390mv.h

zdump: Make use of __packed macro

2019-12-12 18:04:32 +01:00

dfi_s390tape.c

zdump: Include dfi_mem_chunk.h only if required

2021-11-10 15:12:10 +01:00

dfi_vmcoreinfo.c

zdump: constify dfi_vmcoreinfo_get

2022-10-22 20:27:16 +02:00

dfi_vmcoreinfo.h

zdump: constify dfi_vmcoreinfo_get

2022-10-22 20:27:16 +02:00

dfi.c

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

dfi.h

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

dfo_elf.c

zdump: add guarded storage support for ELF input and output format

2022-10-22 20:27:16 +02:00

dfo_mem_chunk.c

zdump: Extract dfo_mem_chunk interface from DFO

2021-12-09 16:19:25 +01:00

dfo_mem_chunk.h

zdump: Extract dfo_mem_chunk interface from DFO

2021-12-09 16:19:25 +01:00

dfo_s390.c

zdump: Extract dfo_mem_chunk interface from DFO

2021-12-09 16:19:25 +01:00

dfo.c

zdump: Extract dfo_mem_chunk interface from DFO

2021-12-09 16:19:25 +01:00

dfo.h

zdump: Extract dfo_mem_chunk interface from DFO

2021-12-09 16:19:25 +01:00

dt_ngdump.c

zdump: Implement DT interface for NGDump

2022-06-20 13:14:05 +02:00

dt_s390mv_ext.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dt_s390mv.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dt_s390sv_ext.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dt_s390sv.c

zdump: Don't use god-like C headers

2021-11-10 15:12:10 +01:00

dt_scsi.c

zdump/scsi: reuse zipl magic string definitions from boot_defs.h

2022-06-20 13:14:04 +02:00

dt.c

zdump: Implement DT interface for NGDump

2022-06-20 13:14:05 +02:00

dt.h

zdump: Implement DT interface for NGDump

2022-06-20 13:14:05 +02:00

Makefile

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

ngdump.c

zipl: Rename component_type enum

2022-11-29 17:03:57 +01:00

ngdump.h

zdump: Implement NGDump helpers

2022-06-20 13:14:05 +02:00

opts.c

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

opts.h

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

output.c

zdump: write_dump: use FILE *

2021-12-09 16:19:25 +01:00

output.h

zdump: write_dump: use FILE *

2021-12-09 16:19:25 +01:00

pv_defs.h

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

pv_utils.c

zdump: check size before mmap'ing

2022-11-29 17:03:57 +01:00

pv_utils.h

zdump: check size before mmap'ing

2022-11-29 17:03:57 +01:00

zfuse.c

zdump, man pages: remove references to 'nonempty' option

2021-12-09 16:19:25 +01:00

zfuse.h

zdump/zfuse: Extract zfuse.h header from zgetdump.h

2021-11-10 15:12:10 +01:00

zg_error.c

zdump/zg: Save errno in _zg_err_errno()

2021-12-09 16:19:25 +01:00

zg_print.c

zdump/zg: Convert print macros to functions which can be mocked

2021-12-09 16:19:25 +01:00

zg.c

zdump: fix signatures of the wrappers zg_alloc, zg_realloc and zg_ioctl

2022-11-03 17:38:53 +01:00

zg.h

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

zgetdump.8

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

zgetdump.c

zdump: dfi: add support to read Protected Virtualization dumps

2022-11-03 17:45:38 +01:00

zgetdump.h

zdump: Cleanup zgetdump.h C header

2021-11-10 15:12:10 +01:00