sched/signal: fix pthread_kill use after free #13134
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When a low-priority thread sends a kill signal to a high-priority thread, the high-priority thread will exit and release tcb. When the thread returns to the low-priority thread, it will access the released stcb. Signed-off-by: yinshengkai <yinshengkai@xiaomi.com>
pkarashchenko
approved these changes
Aug 23, 2024
xiaoxiang781216
approved these changes
Aug 23, 2024
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Summary
When a low-priority thread sends a kill signal to a high-priority thread, the high-priority thread will exit and release tcb. When the thread returns to the low-priority thread, it will access the released stcb.
Impact
Testing