Fix various issues found in full_stack_target fuzzing
#12753
| Job | Run time |
|---|---|
| 49m 59s | |
| 44m 46s | |
| 8m 23s | |
| 44m 11s | |
| 1m 35s | |
| 5m 29s | |
| 1h 0m 46s | |
| 1h 16m 11s | |
| 1h 10m 51s | |
| 1h 15m 48s | |
| 54s | |
| 1h 32m 41s | |
| 19m 22s | |
| 1h 12m 6s | |
| 1h 26m 14s | |
| 11h 49m 16s |