diff options
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 6928d23c46ea..3d62c9599dc0 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -119,6 +119,12 @@ #ifndef PAC_RESET_KEYS # define PAC_RESET_KEYS(a, b) (-EINVAL) #endif +#ifndef PAC_SET_ENABLED_KEYS +# define PAC_SET_ENABLED_KEYS(a, b, c) (-EINVAL) +#endif +#ifndef PAC_GET_ENABLED_KEYS +# define PAC_GET_ENABLED_KEYS(a) (-EINVAL) +#endif #ifndef SET_TAGGED_ADDR_CTRL # define SET_TAGGED_ADDR_CTRL(a) (-EINVAL) #endif @@ -1242,7 +1248,7 @@ static int override_release(char __user *release, size_t len) break; rest++; } - v = ((LINUX_VERSION_CODE >> 8) & 0xff) + 60; + v = LINUX_VERSION_PATCHLEVEL + 60; copy = clamp_t(size_t, len, 1, sizeof(buf)); copy = scnprintf(buf, copy, "2.6.%u%s", v, rest); ret = copy_to_user(release, buf, copy + 1); @@ -1847,7 +1853,7 @@ static int prctl_set_mm_exe_file(struct mm_struct *mm, unsigned int fd) if (!S_ISREG(inode->i_mode) || path_noexec(&exe.file->f_path)) goto exit; - err = inode_permission(inode, MAY_EXEC); + err = file_permission(exe.file, MAY_EXEC); if (err) goto exit; @@ -2079,7 +2085,7 @@ static int prctl_set_auxv(struct mm_struct *mm, unsigned long addr, * up to the caller to provide sane values here, otherwise userspace * tools which use this vector might be unhappy. */ - unsigned long user_auxv[AT_VECTOR_SIZE]; + unsigned long user_auxv[AT_VECTOR_SIZE] = {}; if (len > sizeof(user_auxv)) return -EINVAL; @@ -2497,6 +2503,16 @@ SYSCALL_DEFINE5(prctl, int, option, unsigned long, arg2, unsigned long, arg3, return -EINVAL; error = PAC_RESET_KEYS(me, arg2); break; + case PR_PAC_SET_ENABLED_KEYS: + if (arg4 || arg5) + return -EINVAL; + error = PAC_SET_ENABLED_KEYS(me, arg2, arg3); + break; + case PR_PAC_GET_ENABLED_KEYS: + if (arg2 || arg3 || arg4 || arg5) + return -EINVAL; + error = PAC_GET_ENABLED_KEYS(me); + break; case PR_SET_TAGGED_ADDR_CTRL: if (arg3 || arg4 || arg5) return -EINVAL; |