$ ./jsish/jsish poc.js
=====ERROR: AddressSanitizer: heap-use-after-free on address 0x603000007458 at pc 0x5566730cf1ca bp 0x7ffe092500c0 sp 0x7ffe092500b0
READ of size 1 at 0x603000007458 thread T0
#0 0x5566730cf1c9 in jsi_ArgTypeCheck src/jsiFunc.c:207#1 0x556673158c49 in jsi_FuncCallSub src/jsiProto.c:263#2 0x55667342171a in jsiFunctionSubCall src/jsiEval.c:796#3 0x55667342171a in jsiEvalFunction src/jsiEval.c:837#4 0x55667342171a in jsiEvalCodeSub src/jsiEval.c:1264#5 0x55667343515e in jsi_evalcode src/jsiEval.c:2204#6 0x556673158834 in jsi_FuncCallSub src/jsiProto.c:220#7 0x5566730d4fec in jsi_FunctionInvoke src/jsiFunc.c:777#8 0x5566730d4fec in Jsi_FunctionInvoke src/jsiFunc.c:789#9 0x556673186fa8 in SortSubCmd src/jsiArray.c:970#10 0x7f067f973311 (/lib/x86_64-linux-gnu/libc.so.6+0x42311)#11 0x7f067f9736b5 in qsort_r (/lib/x86_64-linux-gnu/libc.so.6+0x426b5)#12 0x55667318a611 in jsi_ArraySortCmd src/jsiArray.c:1065#13 0x556673157818 in jsi_FuncCallSub src/jsiProto.c:244#14 0x55667342171a in jsiFunctionSubCall src/jsiEval.c:796#15 0x55667342171a in jsiEvalFunction src/jsiEval.c:837#16 0x55667342171a in jsiEvalCodeSub src/jsiEval.c:1264#17 0x55667343515e in jsi_evalcode src/jsiEval.c:2204#18 0x556673158834 in jsi_FuncCallSub src/jsiProto.c:220#19 0x5566730d4fec in jsi_FunctionInvoke src/jsiFunc.c:777#20 0x5566730d4fec in Jsi_FunctionInvoke src/jsiFunc.c:789#21 0x55667319bf64 in jsi_ArrayFindSubCmd src/jsiArray.c:576#22 0x55667319bf64 in jsi_ArrayEveryCmd src/jsiArray.c:663#23 0x556673157818 in jsi_FuncCallSub src/jsiProto.c:244#24 0x55667342171a in jsiFunctionSubCall src/jsiEval.c:796#25 0x55667342171a in jsiEvalFunction src/jsiEval.c:837#26 0x55667342171a in jsiEvalCodeSub src/jsiEval.c:1264#27 0x55667343515e in jsi_evalcode src/jsiEval.c:2204#28 0x556673439274 in jsi_evalStrFile src/jsiEval.c:2665#29 0x55667312866a in Jsi_Main src/jsiInterp.c:936#30 0x55667392d03a in jsi_main src/main.c:47#31 0x7f067f952bf6 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21bf6)#32 0x5566730bc969 in _start (/usr/local/bin/jsish+0xe8969)
0x603000007458 is located 8 bytes inside of 32-byte region [0x603000007450,0x603000007470)
freed by thread T0 here:
#0 0x7f06805c17a8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7a8)#1 0x5566730dd6cf in Jsi_DecrRefCount src/jsiValue.c:52
previously allocated by thread T0 here:
#0 0x7f06805c1d28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28)#1 0x55667312daa4 in Jsi_Calloc src/jsiUtils.c:57
SUMMARY: AddressSanitizer: heap-use-after-free src/jsiFunc.c:207 in jsi_ArgTypeCheck
Shadow bytes around the buggy address:
0x0c067fff8e30: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x0c067fff8e40: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
0x0c067fff8e50: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa
0x0c067fff8e60: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x0c067fff8e70: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
=>0x0c067fff8e80: fd fd fa fa fd fd fd fd fa fa fd[fd]fd fd fa fa
0x0c067fff8e90: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd
0x0c067fff8ea0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
0x0c067fff8eb0: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa
0x0c067fff8ec0: fd fd fd fd fa fa 00 00 00 00 fa fa fd fd fd fd
0x0c067fff8ed0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd
Shadow byte legend (one shadow byte represents 8 application bytes):
Addressable: 00
Partially addressable: 01 02 03 04 05 06 07
Heap left redzone: fa
Freed heap region: fd
Stack left redzone: f1
Stack mid redzone: f2
Stack right redzone: f3
Stack after return: f5
Stack use after scope: f8
Global redzone: f9
Global init order: f6
Poisoned by user: f7
Container overflow: fc
Array cookie: ac
Intra object redzone: bb
ASan internal: fe
Left alloca redzone: ca
Right alloca redzone: cb
The text was updated successfully, but these errors were encountered:
Jsish revision
Commit: 9fa798e
Version: v3.5.0
Build platform
Ubuntu 18.04.5 LTS (Linux 5.4.0-44-generic x86_64)
Build steps
Test case
Execution steps & Output
$ ./jsish/jsish poc.js =====ERROR: AddressSanitizer: heap-use-after-free on address 0x603000007458 at pc 0x5566730cf1ca bp 0x7ffe092500c0 sp 0x7ffe092500b0 READ of size 1 at 0x603000007458 thread T0 #0 0x5566730cf1c9 in jsi_ArgTypeCheck src/jsiFunc.c:207 #1 0x556673158c49 in jsi_FuncCallSub src/jsiProto.c:263 #2 0x55667342171a in jsiFunctionSubCall src/jsiEval.c:796 #3 0x55667342171a in jsiEvalFunction src/jsiEval.c:837 #4 0x55667342171a in jsiEvalCodeSub src/jsiEval.c:1264 #5 0x55667343515e in jsi_evalcode src/jsiEval.c:2204 #6 0x556673158834 in jsi_FuncCallSub src/jsiProto.c:220 #7 0x5566730d4fec in jsi_FunctionInvoke src/jsiFunc.c:777 #8 0x5566730d4fec in Jsi_FunctionInvoke src/jsiFunc.c:789 #9 0x556673186fa8 in SortSubCmd src/jsiArray.c:970 #10 0x7f067f973311 (/lib/x86_64-linux-gnu/libc.so.6+0x42311) #11 0x7f067f9736b5 in qsort_r (/lib/x86_64-linux-gnu/libc.so.6+0x426b5) #12 0x55667318a611 in jsi_ArraySortCmd src/jsiArray.c:1065 #13 0x556673157818 in jsi_FuncCallSub src/jsiProto.c:244 #14 0x55667342171a in jsiFunctionSubCall src/jsiEval.c:796 #15 0x55667342171a in jsiEvalFunction src/jsiEval.c:837 #16 0x55667342171a in jsiEvalCodeSub src/jsiEval.c:1264 #17 0x55667343515e in jsi_evalcode src/jsiEval.c:2204 #18 0x556673158834 in jsi_FuncCallSub src/jsiProto.c:220 #19 0x5566730d4fec in jsi_FunctionInvoke src/jsiFunc.c:777 #20 0x5566730d4fec in Jsi_FunctionInvoke src/jsiFunc.c:789 #21 0x55667319bf64 in jsi_ArrayFindSubCmd src/jsiArray.c:576 #22 0x55667319bf64 in jsi_ArrayEveryCmd src/jsiArray.c:663 #23 0x556673157818 in jsi_FuncCallSub src/jsiProto.c:244 #24 0x55667342171a in jsiFunctionSubCall src/jsiEval.c:796 #25 0x55667342171a in jsiEvalFunction src/jsiEval.c:837 #26 0x55667342171a in jsiEvalCodeSub src/jsiEval.c:1264 #27 0x55667343515e in jsi_evalcode src/jsiEval.c:2204 #28 0x556673439274 in jsi_evalStrFile src/jsiEval.c:2665 #29 0x55667312866a in Jsi_Main src/jsiInterp.c:936 #30 0x55667392d03a in jsi_main src/main.c:47 #31 0x7f067f952bf6 in __libc_start_main (/lib/x86_64-linux-gnu/libc.so.6+0x21bf6) #32 0x5566730bc969 in _start (/usr/local/bin/jsish+0xe8969) 0x603000007458 is located 8 bytes inside of 32-byte region [0x603000007450,0x603000007470) freed by thread T0 here: #0 0x7f06805c17a8 in __interceptor_free (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xde7a8) #1 0x5566730dd6cf in Jsi_DecrRefCount src/jsiValue.c:52 previously allocated by thread T0 here: #0 0x7f06805c1d28 in __interceptor_calloc (/usr/lib/x86_64-linux-gnu/libasan.so.4+0xded28) #1 0x55667312daa4 in Jsi_Calloc src/jsiUtils.c:57 SUMMARY: AddressSanitizer: heap-use-after-free src/jsiFunc.c:207 in jsi_ArgTypeCheck Shadow bytes around the buggy address: 0x0c067fff8e30: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd 0x0c067fff8e40: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd 0x0c067fff8e50: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa 0x0c067fff8e60: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd 0x0c067fff8e70: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd =>0x0c067fff8e80: fd fd fa fa fd fd fd fd fa fa fd[fd]fd fd fa fa 0x0c067fff8e90: fd fd fd fd fa fa fd fd fd fd fa fa fd fd fd fd 0x0c067fff8ea0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd 0x0c067fff8eb0: fd fd fa fa fd fd fd fd fa fa fd fd fd fd fa fa 0x0c067fff8ec0: fd fd fd fd fa fa 00 00 00 00 fa fa fd fd fd fd 0x0c067fff8ed0: fa fa fd fd fd fd fa fa fd fd fd fd fa fa fd fd Shadow byte legend (one shadow byte represents 8 application bytes): Addressable: 00 Partially addressable: 01 02 03 04 05 06 07 Heap left redzone: fa Freed heap region: fd Stack left redzone: f1 Stack mid redzone: f2 Stack right redzone: f3 Stack after return: f5 Stack use after scope: f8 Global redzone: f9 Global init order: f6 Poisoned by user: f7 Container overflow: fc Array cookie: ac Intra object redzone: bb ASan internal: fe Left alloca redzone: ca Right alloca redzone: cbThe text was updated successfully, but these errors were encountered: