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[Xen-devel] [PATCH v6 00/22] XSA55 libelf fixes for Xen 4.2

This is a backport of my series to try to fix libelf and the domain
loader.  It corresponds to v6 of the xen-unstable series.

This is available via git:
in the commits

Here is a summary of the state of series:

a  01/21 libelf: abolish libelf-relocate.c
   02/21 libxc: introduce xc_dom_seg_to_ptr_pages
   03/21 libxc: Fix range checking in xc_dom_pfn_to_ptr etc.
A  04/21 libelf: add `struct elf_binary*' parameter to elf_load_image
a  05/21 libelf: abolish elf_sval and elf_access_signed
A  06/21 libelf: move include of <asm/guest_access.h> to top of file
a  07/21 libelf/xc_dom_load_elf_symtab: Do not use "syms" uninitialised
   08/21 libxl: introduce macros for memory access and pointer handling
a  09/21 tools/xcutils/readnotes: adjust print_l1_mfn_valid_note
A  10/21 libelf: check nul-terminated strings properly
   11/21 libxl: check all pointer accesses
A  12/21 libxl: Check pointer references in elf_is_elfbinary
a# 13/21 libelf: Make all callers call elf_check_broken
a  14/21 libelf: use C99 bool for booleans
   15/21 libelf: use only unsigned integers
   16/21 libelf: check loops for running away
a  17/21 libelf: abolish obsolete macros
   18/21 libxc: Add range checking to xc_dom_binloader
 # 19/21 libxc: check failure of xc_dom_*_to_ptr, xc_map_foreign_range
 # 20/21 libxc: check return values from malloc
 # 21/21 libxc: range checks in xc_dom_p2m_host and _guest
   22/22 libxc: check blob size before proceeding in xc_dom_check_gzip

Key to symbols:
 a   Acked/reviwed by one reviewer.           } Refers to acks of
 A   Acked/reviwed by more than one reviewer. }  -unstable series.
 #   Nontrivial differences between series for -unstable and 4.2.

Please refer to the v6 00/22 -unstable message for more information.

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