diff options
| author | Vikram Narayanan <vikram186@gmail.com> | 2021-10-18 12:46:13 -0700 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2021-11-18 14:32:23 +0100 |
| commit | 985076f2cce88f048e83459b99954a86a3f50cf5 (patch) | |
| tree | 9f53920457a310fd220d1ed725a58fda5346fa83 | |
| parent | cafff8b6ce51d6d1fa82eb96612a943db3c03541 (diff) | |
sys/linux: add /dev/cpu/X/msr to dev_msr.txt
| -rw-r--r-- | sys/linux/dev_msr.txt | 15 | ||||
| -rw-r--r-- | sys/linux/dev_msr.txt.const | 7 | ||||
| -rw-r--r-- | sys/syz-extract/linux.go | 7 |
3 files changed, 26 insertions, 3 deletions
diff --git a/sys/linux/dev_msr.txt b/sys/linux/dev_msr.txt new file mode 100644 index 000000000..07a3d3554 --- /dev/null +++ b/sys/linux/dev_msr.txt @@ -0,0 +1,15 @@ +# Copyright 2021 syzkaller project authors. All rights reserved. +# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. + +include <asm/msr.h> +include <uapi/asm/msr.h> +include <uapi/linux/fcntl.h> + +resource fd_msr[fd] + +syz_open_dev$MSR(dev ptr[in, string["/dev/cpu/#/msr"]], id intptr, flags const[O_RDONLY]) fd_msr +read$msr(fd fd_msr, buf buffer[out], count len[buf]) + +ioctl$X86_IOC_RDMSR_REGS(fd fd_msr, cmd const[X86_IOC_RDMSR_REGS], arg ptr[in, array[int32, 8]]) +# Disallow writing to MSRs +_ = X86_IOC_WRMSR_REGS diff --git a/sys/linux/dev_msr.txt.const b/sys/linux/dev_msr.txt.const new file mode 100644 index 000000000..8d6ee993f --- /dev/null +++ b/sys/linux/dev_msr.txt.const @@ -0,0 +1,7 @@ +# Code generated by syz-sysgen. DO NOT EDIT. +arches = 386, amd64 +O_RDONLY = 0 +X86_IOC_RDMSR_REGS = 3223348128 +X86_IOC_WRMSR_REGS = 3223348129 +__NR_ioctl = 386:54, amd64:16 +__NR_read = 386:3, amd64:0 diff --git a/sys/syz-extract/linux.go b/sys/syz-extract/linux.go index e4f8d1bfe..3fb4c5eb0 100644 --- a/sys/syz-extract/linux.go +++ b/sys/syz-extract/linux.go @@ -62,9 +62,10 @@ func (*linux) prepareArch(arch *Arch) error { #define va_copy __builtin_va_copy #define __va_copy __builtin_va_copy `, - "asm/a.out.h": "", - "asm/prctl.h": "", - "asm/mce.h": "", + "asm/a.out.h": "", + "asm/prctl.h": "", + "asm/mce.h": "", + "uapi/asm/msr.h": "", } { fullPath := filepath.Join(arch.buildDir, "syzkaller", hdr) if err := osutil.MkdirAll(filepath.Dir(fullPath)); err != nil { |