SEGV xs/sources/xsDataView.c:559:24 in fx_ArrayBuffer_prototype_concat #774
Labels
confirmed
issue reported has been reproduced
fixed - please verify
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Moddable-XS revision
Commit: 2f93df29
Version: 11.5.0 32 4
Build environment
Ubuntu 18.04.5 LTS (Linux 5.4.0-44-generic x86_64)
Build steps
Test case
poc.js
Execution & Output
$ ./moddable/build/bin/lin/debug/xst poc.js AddressSanitizer:DEADLYSIGNAL ================================================================= ==62908==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x00000061df67 bp 0x7fff84c54690 sp 0x7fff84c544f0 T0) ==62908==The signal is caused by a READ memory access. ==62908==Hint: address points to the zero page. #0 0x61df66 in fx_ArrayBuffer_prototype_concat /root/moddable/xs/sources/xsDataView.c:559:24 #1 0x84f3ca in fxRunID /root/moddable/xs/sources/xsRun.c:842:7 #2 0x8ceaac in fxRunScript /root/moddable/xs/sources/xsRun.c:4766:4 #3 0xad3231 in fxRunProgramFile /root/moddable/xs/tools/xst.c:1387:2 #4 0xacfa83 in main /root/moddable/xs/tools/xst.c:281:8 #5 0x7f1a84524bf6 in __libc_start_main /build/glibc-S9d2JN/glibc-2.27/csu/../csu/libc-start.c:310 #6 0x42ddc9 in _start (/usr/local/bin/xst+0x42ddc9) AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV /root/moddable/xs/sources/xsDataView.c:559:24 in fx_ArrayBuffer_prototype_concat ==62908==ABORTINGCredits: Found by OWL337 team.
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