From d545e945ce3761556e10fd6b4c20a952c0e821a1 Mon Sep 17 00:00:00 2001
From: Andrey Konovalov <andreyknvl@google.com>
Date: Wed, 7 Aug 2019 18:03:59 +0200
Subject: sys/linux: add syz_open_dev$char_usb descriptions

syz_open_dev$char_usb opens char devices with major = USB_MAJOR.
Sanitize its values to make sure it doesn't open other char/block devices.
---
 executor/syscalls.h | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

(limited to 'executor/syscalls.h')

diff --git a/executor/syscalls.h b/executor/syscalls.h
index a4cfbe18d..31859ff91 100644
--- a/executor/syscalls.h
+++ b/executor/syscalls.h
@@ -3932,6 +3932,7 @@ const call_t syscalls[] = {
     {"read", 3},
     {"read$FUSE", 3},
     {"read$alg", 3},
+    {"read$char_usb", 3},
     {"read$eventfd", 3},
     {"read$hiddev", 3},
     {"read$hidraw", 3},
@@ -4561,6 +4562,7 @@ const call_t syscalls[] = {
     {"syz_open_dev$audion", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$binder", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$cec", 0, (syscall_t)syz_open_dev},
+    {"syz_open_dev$char_usb", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dmmidi", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dri", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dricontrol", 0, (syscall_t)syz_open_dev},
@@ -4790,6 +4792,7 @@ const call_t syscalls[] = {
     {"write$cgroup_pid", 4},
     {"write$cgroup_subtree", 4},
     {"write$cgroup_type", 4},
+    {"write$char_usb", 4},
     {"write$evdev", 4},
     {"write$eventfd", 4},
     {"write$hidraw", 4},
@@ -6691,6 +6694,7 @@ const call_t syscalls[] = {
     {"read", 0},
     {"read$FUSE", 0},
     {"read$alg", 0},
+    {"read$char_usb", 0},
     {"read$eventfd", 0},
     {"read$hiddev", 0},
     {"read$hidraw", 0},
@@ -7321,6 +7325,7 @@ const call_t syscalls[] = {
     {"syz_open_dev$audion", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$binder", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$cec", 0, (syscall_t)syz_open_dev},
+    {"syz_open_dev$char_usb", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dmmidi", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dri", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dricontrol", 0, (syscall_t)syz_open_dev},
@@ -7550,6 +7555,7 @@ const call_t syscalls[] = {
     {"write$cgroup_pid", 1},
     {"write$cgroup_subtree", 1},
     {"write$cgroup_type", 1},
+    {"write$char_usb", 1},
     {"write$evdev", 1},
     {"write$eventfd", 1},
     {"write$hidraw", 1},
@@ -9405,6 +9411,7 @@ const call_t syscalls[] = {
     {"read", 3},
     {"read$FUSE", 3},
     {"read$alg", 3},
+    {"read$char_usb", 3},
     {"read$eventfd", 3},
     {"read$hiddev", 3},
     {"read$hidraw", 3},
@@ -10033,6 +10040,7 @@ const call_t syscalls[] = {
     {"syz_open_dev$audion", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$binder", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$cec", 0, (syscall_t)syz_open_dev},
+    {"syz_open_dev$char_usb", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dmmidi", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dri", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dricontrol", 0, (syscall_t)syz_open_dev},
@@ -10260,6 +10268,7 @@ const call_t syscalls[] = {
     {"write$cgroup_pid", 4},
     {"write$cgroup_subtree", 4},
     {"write$cgroup_type", 4},
+    {"write$char_usb", 4},
     {"write$evdev", 4},
     {"write$eventfd", 4},
     {"write$hidraw", 4},
@@ -12100,6 +12109,7 @@ const call_t syscalls[] = {
     {"read", 63},
     {"read$FUSE", 63},
     {"read$alg", 63},
+    {"read$char_usb", 63},
     {"read$eventfd", 63},
     {"read$hiddev", 63},
     {"read$hidraw", 63},
@@ -12719,6 +12729,7 @@ const call_t syscalls[] = {
     {"syz_open_dev$audion", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$binder", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$cec", 0, (syscall_t)syz_open_dev},
+    {"syz_open_dev$char_usb", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dmmidi", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dri", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dricontrol", 0, (syscall_t)syz_open_dev},
@@ -12942,6 +12953,7 @@ const call_t syscalls[] = {
     {"write$cgroup_pid", 64},
     {"write$cgroup_subtree", 64},
     {"write$cgroup_type", 64},
+    {"write$char_usb", 64},
     {"write$evdev", 64},
     {"write$eventfd", 64},
     {"write$hidraw", 64},
@@ -14796,6 +14808,7 @@ const call_t syscalls[] = {
     {"read", 3},
     {"read$FUSE", 3},
     {"read$alg", 3},
+    {"read$char_usb", 3},
     {"read$eventfd", 3},
     {"read$hiddev", 3},
     {"read$hidraw", 3},
@@ -15423,6 +15436,7 @@ const call_t syscalls[] = {
     {"syz_open_dev$audion", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$binder", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$cec", 0, (syscall_t)syz_open_dev},
+    {"syz_open_dev$char_usb", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dmmidi", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dri", 0, (syscall_t)syz_open_dev},
     {"syz_open_dev$dricontrol", 0, (syscall_t)syz_open_dev},
@@ -15652,6 +15666,7 @@ const call_t syscalls[] = {
     {"write$cgroup_pid", 4},
     {"write$cgroup_subtree", 4},
     {"write$cgroup_type", 4},
+    {"write$char_usb", 4},
     {"write$evdev", 4},
     {"write$eventfd", 4},
     {"write$hidraw", 4},
-- 
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