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-rw-r--r--fs/exec.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/fs/exec.c b/fs/exec.c
index c3d517bfdd2..b08367abf30 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1358,6 +1358,7 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
unsigned int depth = bprm->recursion_depth;
int try,retval;
struct linux_binfmt *fmt;
+ pid_t old_pid;
retval = security_bprm_check(bprm);
if (retval)
@@ -1371,6 +1372,11 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
if (retval)
return retval;
+ /* Need to fetch pid before load_binary changes it */
+ rcu_read_lock();
+ old_pid = task_pid_nr_ns(current, task_active_pid_ns(current->parent));
+ rcu_read_unlock();
+
retval = -ENOENT;
for (try=0; try<2; try++) {
read_lock(&binfmt_lock);
@@ -1390,7 +1396,8 @@ int search_binary_handler(struct linux_binprm *bprm,struct pt_regs *regs)
bprm->recursion_depth = depth;
if (retval >= 0) {
if (depth == 0)
- ptrace_event(PTRACE_EVENT_EXEC, 0);
+ ptrace_event(PTRACE_EVENT_EXEC,
+ old_pid);
put_binfmt(fmt);
allow_write_access(bprm->file);
if (bprm->file)