diff options
Diffstat (limited to 'linux-user/syscall.c')
| -rw-r--r-- | linux-user/syscall.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 12ebc70df5..9353268cc1 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -8557,9 +8557,12 @@ static int open_hardware(CPUArchState *cpu_env, int fd) } #endif -int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, + +int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *fname, int flags, mode_t mode, bool safe) { + g_autofree char *proc_name = NULL; + const char *pathname; struct fake_open { const char *filename; int (*fill)(CPUArchState *cpu_env, int fd); @@ -8585,6 +8588,14 @@ int do_guest_openat(CPUArchState *cpu_env, int dirfd, const char *pathname, { NULL, NULL, NULL } }; + /* if this is a file from /proc/ filesystem, expand full name */ + proc_name = realpath(fname, NULL); + if (proc_name && strncmp(proc_name, "/proc/", 6) == 0) { + pathname = proc_name; + } else { + pathname = fname; + } + if (is_proc_myself(pathname, "exe")) { if (safe) { return safe_openat(dirfd, exec_path, flags, mode); |