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[test] align.wast: add tests of malformed memop flags in wasm-3.0 #1886

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Merged
rossberg merged 1 commit into from
Mar 27, 2025
Merged

[test] align.wast: add tests of malformed memop flags in wasm-3.0 #1886

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38 changes: 38 additions & 0 deletions test/core/align.wast
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Original file line number Diff line number Diff line change
Expand Up @@ -962,3 +962,41 @@
)
"type mismatch"
)

;; memop flags >= 0x80
(assert_malformed
(module binary
"\00asm" "\01\00\00\00"
"\01\04\01\60\00\00" ;; Type section: 1 type
"\03\02\01\00" ;; Function section: 1 function
"\05\03\01\00\01" ;; Memory section: 1 memory
"\0a\0b\01" ;; Code section: 1 function

;; function 0
"\09\00"
"\41\00" ;; i32.const 0
"\28\80\01\00" ;; i32.load offset=0 align="2**128" (malformed)
"\1a" ;; drop
"\0b" ;; end
)
"malformed memop flags"
)

;; memop flags > 0xff (and & 0xff = 0)
(assert_malformed
(module binary
"\00asm" "\01\00\00\00"
"\01\04\01\60\00\00" ;; Type section: 1 type
"\03\02\01\00" ;; Function section: 1 function
"\05\03\01\00\01" ;; Memory section: 1 memory
"\0a\0b\01" ;; Code section: 1 function

;; function 0
"\09\00"
"\41\00" ;; i32.const 0
"\28\80\02\00" ;; i32.load offset=0 align="2**256" (malformed)
"\1a" ;; drop
"\0b" ;; end
)
"malformed memop flags"
)