[PATCH 0/2] x86: Add assembler mitigation for CVE-2020-0551
H.J. Lu
hjl.tools@gmail.com
Tue Mar 10 16:05:26 GMT 2020
More information about the Binutils mailing list
Tue Mar 10 16:05:26 GMT 2020
- Previous message (by thread): [PATCH] Use GCC LTO wrapper to get real symbols from LTO IR objects
- Next message (by thread): [PATCH 1/2] i386: Generate lfence with load/indirect branch/ret [CVE-2020-0551]
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
Add 3 command-line options to generate lfence for load, indirect near branch and ret to help mitigate: https://nvd.nist.gov/vuln/detail/CVE-2020-0551 H.J. Lu (2): i386: Generate lfence with load/indirect branch/ret [CVE-2020-0551] i386: Add tests for lfence with load/indirect branch/ret gas/ChangeLog | 57 +++ gas/config/tc-i386.c | 368 +++++++++++++++++- gas/doc/c-i386.texi | 43 ++ gas/testsuite/gas/i386/i386.exp | 14 + gas/testsuite/gas/i386/lfence-byte.d | 30 ++ gas/testsuite/gas/i386/lfence-byte.e | 12 + gas/testsuite/gas/i386/lfence-byte.s | 23 ++ gas/testsuite/gas/i386/lfence-indbr-a.d | 21 + gas/testsuite/gas/i386/lfence-indbr-b.d | 20 + gas/testsuite/gas/i386/lfence-indbr-c.d | 19 + gas/testsuite/gas/i386/lfence-indbr.e | 5 + gas/testsuite/gas/i386/lfence-indbr.s | 8 + gas/testsuite/gas/i386/lfence-load.d | 112 ++++++ gas/testsuite/gas/i386/lfence-load.s | 60 +++ gas/testsuite/gas/i386/lfence-ret-a.d | 18 + gas/testsuite/gas/i386/lfence-ret-b.d | 20 + gas/testsuite/gas/i386/lfence-ret.s | 4 + gas/testsuite/gas/i386/x86-64-lfence-byte.d | 30 ++ gas/testsuite/gas/i386/x86-64-lfence-byte.e | 12 + gas/testsuite/gas/i386/x86-64-lfence-byte.s | 23 ++ .../gas/i386/x86-64-lfence-indbr-a.d | 21 + .../gas/i386/x86-64-lfence-indbr-b.d | 20 + .../gas/i386/x86-64-lfence-indbr-c.d | 19 + gas/testsuite/gas/i386/x86-64-lfence-indbr.e | 5 + gas/testsuite/gas/i386/x86-64-lfence-indbr.s | 8 + gas/testsuite/gas/i386/x86-64-lfence-load.d | 114 ++++++ gas/testsuite/gas/i386/x86-64-lfence-load.s | 61 +++ gas/testsuite/gas/i386/x86-64-lfence-ret-a.d | 18 + gas/testsuite/gas/i386/x86-64-lfence-ret-b.d | 20 + 29 files changed, 1184 insertions(+), 1 deletion(-) create mode 100644 gas/testsuite/gas/i386/lfence-byte.d create mode 100644 gas/testsuite/gas/i386/lfence-byte.e create mode 100644 gas/testsuite/gas/i386/lfence-byte.s create mode 100644 gas/testsuite/gas/i386/lfence-indbr-a.d create mode 100644 gas/testsuite/gas/i386/lfence-indbr-b.d create mode 100644 gas/testsuite/gas/i386/lfence-indbr-c.d create mode 100644 gas/testsuite/gas/i386/lfence-indbr.e create mode 100644 gas/testsuite/gas/i386/lfence-indbr.s create mode 100644 gas/testsuite/gas/i386/lfence-load.d create mode 100644 gas/testsuite/gas/i386/lfence-load.s create mode 100644 gas/testsuite/gas/i386/lfence-ret-a.d create mode 100644 gas/testsuite/gas/i386/lfence-ret-b.d create mode 100644 gas/testsuite/gas/i386/lfence-ret.s create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-byte.d create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-byte.e create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-byte.s create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-indbr-a.d create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-indbr-b.d create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-indbr-c.d create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-indbr.e create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-indbr.s create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-load.d create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-load.s create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-ret-a.d create mode 100644 gas/testsuite/gas/i386/x86-64-lfence-ret-b.d -- 2.24.1
- Previous message (by thread): [PATCH] Use GCC LTO wrapper to get real symbols from LTO IR objects
- Next message (by thread): [PATCH 1/2] i386: Generate lfence with load/indirect branch/ret [CVE-2020-0551]
- Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]
More information about the Binutils mailing list