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Validate the typed data before dereferencing the internal struct. (#8315)

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Samuel Williams 2023-08-29 20:04:14 +12:00 • committed by GitHub
parent 141102b0b0
commit 901b6d9c50
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Notes: git 2023-08-29 08:04:49 +00:00 
Merged-By: ioquatix <samuel@codeotaku.com>
2 changed files with 24 additions and 2 deletions
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5
process.c
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@ -1222,7 +1222,7 @@ rb_waitpid(rb_pid_t pid, int *st, int flags)
VALUE status = rb_process_status_wait(pid, flags);
if (NIL_P(status)) return 0;
struct rb_process_status *data = RTYPEDDATA_DATA(status);
struct rb_process_status *data = rb_check_typeddata(status, &rb_process_status_type);
pid = data->pid;
if (st) *st = data->status;
@ -4748,7 +4748,8 @@ rb_f_system(int argc, VALUE *argv, VALUE _)
if (pid > 0) {
VALUE status = rb_process_status_wait(pid, 0);
struct rb_process_status *data = RTYPEDDATA_DATA(status);
struct rb_process_status *data = rb_check_typeddata(status, &rb_process_status_type);
// Set the last status:
rb_obj_freeze(status);