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Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c17
1 files changed, 11 insertions, 6 deletions
diff --git a/fs/exec.c b/fs/exec.c
index a2b42a98c74..7302b75a982 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1372,18 +1372,23 @@ int search_binary_handler(struct linux_binprm *bprm)
read_unlock(&binfmt_lock);
bprm->recursion_depth++;
retval = fmt->load_binary(bprm);
+ read_lock(&binfmt_lock);
+ put_binfmt(fmt);
bprm->recursion_depth--;
- if (retval >= 0 || retval != -ENOEXEC ||
- bprm->mm == NULL || bprm->file == NULL) {
- put_binfmt(fmt);
+ if (retval < 0 && !bprm->mm) {
+ /* we got to flush_old_exec() and failed after it */
+ read_unlock(&binfmt_lock);
+ force_sigsegv(SIGSEGV, current);
+ return retval;
+ }
+ if (retval != -ENOEXEC || !bprm->file) {
+ read_unlock(&binfmt_lock);
return retval;
}
- read_lock(&binfmt_lock);
- put_binfmt(fmt);
}
read_unlock(&binfmt_lock);
- if (need_retry && retval == -ENOEXEC) {
+ if (need_retry) {
if (printable(bprm->buf[0]) && printable(bprm->buf[1]) &&
printable(bprm->buf[2]) && printable(bprm->buf[3]))
return retval;