riscv/addrenv_shm: Add missing sanity check to up_shmdt() #8168
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A missing sanity check, make sure the last level page table actually exists before trying to clear entries from it.
xiaoxiang781216
approved these changes
Jan 17, 2023
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Summary
A missing sanity check, make sure the last level page table actually exists before trying to clear entries from it.
Impact
Almost nothing, only riscv up_shmdt is affected
Testing
icicle:knsh