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Author SHA1 Message Date
Björn Esser a731ae6a75 Detect broken RDRAND during initialization. 
Some CPUs advertise RDRAND in CPUID, but return
0xFFFFFFFF unconditionally.  To avoid locking up
later, test RDRAND during initialization, and if
it returns 0xFFFFFFFF, mark it as nonexistent.

Also fix a possible segmentation fault in CPUID check.

This commit is a squashed and slightly modified backport
of the following commits on the master branch:

  * 0e5bbcaa16
  * 4d36b0287d
  * 8086314026
 2020-06-01 16:45:45 +02:00
Björn Esser 865b5a6519 Fix CVE-2020-12762. 
This commit is a squashed backport of the following commits
on the master branch:

  * 099016b7e8
  * 77d935b7ae
  * d07b910149
  * 519dfe1591
  * a59d5acfab
 2020-05-14 12:32:30 +02:00
Björn Esser c233f5c05e json_object_private: Use unsigned 32-bit integer type for refcount 2017-12-17 12:51:17 +01:00
Björn Esser 3e89278476 Makefile: Add ACLOCAL_AMFLAGS 
This is recommended by the libtool manual.
 2017-12-14 15:48:31 +01:00
Björn Esser 99ea93338d json_object: Avoid invalid free (and thus a segfault) when ref_count gets < 0 2017-12-14 15:45:22 +01:00
Björn Esser 9aca3b6a08 json_object: Avoid invalid free (and thus a segfault) when ref_count gets < 0 2017-12-14 14:36:07 +01:00
Björn Esser 10fe00650c json_object: Add size_t json_object_sizeof() 2017-12-13 21:17:21 +01:00
Björn Esser 87556afe2a Makefile: Add ACLOCAL_AMFLAGS 
This is recommended by the libtool manual.
 2017-12-13 01:26:35 +01:00
Björn Esser c123a1c21b json_object: Add size_t json_object_sizeof() 2017-12-11 16:16:15 +01:00
Björn Esser cec97ebc6f Replace obsolete AM_PROG_LIBTOOL 2017-07-04 12:54:46 +02:00