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charmap: Store hashmap nodes in charmap stack

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This helps update all the pointers during reallocation.
This commit is contained in:
Jakub Kądziołka
2021-04-16 13:58:27 +02:00
committed by Eldred Habert
parent 8885f7bcf6
commit 215e26b478
4 changed files with 34 additions and 24 deletions
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6
test/asm/pushc-without-switch.asm Normal file
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@@ -0,0 +1,6 @@
; Triggering a charmap realloc while the charmap has been pushed onto the stack used
; to induce a use-after-free.
pushc
charmap "000000000000000000000000000000000",12
popc
charmap "000000000000000000000000000000000",34