linux/arch/x86/lib
Masami Hiramatsu 12cb908a11 x86/insn-eval: Use new for_each_insn_prefix() macro to loop over prefixes bytes
Since insn.prefixes.nbytes can be bigger than the size of
insn.prefixes.bytes[] when a prefix is repeated, the proper check must
be

  insn.prefixes.bytes[i] != 0 and i < 4

instead of using insn.prefixes.nbytes. Use the new
for_each_insn_prefix() macro which does it correctly.

Debugged by Kees Cook <keescook@chromium.org>.

 [ bp: Massage commit message. ]

Fixes: 32d0b95300 ("x86/insn-eval: Add utility functions to get segment selector")
Reported-by: syzbot+9b64b619f10f19d19a7c@syzkaller.appspotmail.com
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: stable@vger.kernel.org
Link: https://lkml.kernel.org/r/160697104969.3146288.16329307586428270032.stgit@devnote2
2020-12-06 10:03:08 +01:00
..
.gitignore
atomic64_32.c
atomic64_386_32.S
atomic64_cx8_32.S
cache-smp.c
checksum_32.S
clear_page_64.S
cmdline.c
cmpxchg8b_emu.S
cmpxchg16b_emu.S
copy_mc_64.S
copy_mc.c
copy_page_64.S
copy_user_64.S
cpu.c
csum-copy_64.S
csum-partial_64.c
csum-wrappers_64.c
delay.c
error-inject.c
getuser.S Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-22 09:59:21 -07:00
hweight.S
inat.c
insn-eval.c x86/insn-eval: Use new for_each_insn_prefix() macro to loop over prefixes bytes 2020-12-06 10:03:08 +01:00
insn.c
iomap_copy_64.S
iomem.c
kaslr.c
Makefile * Extend the recovery from MCE in kernel space also to processes which 2020-10-12 10:14:38 -07:00
memcpy_32.c
memcpy_64.S x86/lib: Change .weak to SYM_FUNC_START_WEAK for arch/x86/lib/mem*_64.S 2020-11-04 12:30:20 +01:00
memmove_64.S x86/lib: Change .weak to SYM_FUNC_START_WEAK for arch/x86/lib/mem*_64.S 2020-11-04 12:30:20 +01:00
memset_64.S x86/lib: Change .weak to SYM_FUNC_START_WEAK for arch/x86/lib/mem*_64.S 2020-11-04 12:30:20 +01:00
misc.c
mmx_32.c
msr-reg-export.c
msr-reg.S
msr-smp.c
msr.c
putuser.S Merge branch 'work.set_fs' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-10-22 09:59:21 -07:00
retpoline.S
string_32.c
strstr_32.c
usercopy_32.c
usercopy_64.c * Extend the recovery from MCE in kernel space also to processes which 2020-10-12 10:14:38 -07:00
usercopy.c
x86-opcode-map.txt