Closed
Description
The following input demonstrates a crash:
N *case
when nil
->()do end
def e()end
end#
ASAN report:
==56546==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000018 (pc 0x0001083ee4ab bp 0x7fff5780e4f0 sp 0x7fff5780e410 T0)
==56546==The signal is caused by a READ memory access.
==56546==Hint: address points to the zero page.
#0 0x1083ee4aa in ary_concat array.c:265
#1 0x1083ee364 in mrb_ary_concat array.c:284
#2 0x108572ebc in mrb_vm_exec vm.c:2304
#3 0x10854cf49 in mrb_vm_run vm.c:824
#4 0x10857f859 in mrb_top_run vm.c:2630
#5 0x108650845 in mrb_load_exec parse.y:5762
#6 0x108651655 in mrb_load_file_cxt parse.y:5771
#7 0x1083e9e76 in main mruby.c:227
#8 0x7fffbbbba234 in start (libdyld.dylib:x86_64+0x5234)
==56546==Register values:
rax = 0x000000007ffffffe rbx = 0x00007fff5780e560 rcx = 0x0000000000000018 rdx = 0x0000000000000018
rdi = 0x0000100000000000 rsi = 0x0000100000000003 rbp = 0x00007fff5780e4f0 rsp = 0x00007fff5780e410
r8 = 0x0000100000000000 r9 = 0x0000100000000000 r10 = 0x0000000109569a48 r11 = 0x6d75ac53ed8a002a
r12 = 0xf2f20000f1f1f1f1 r13 = 0x00001fffeaf02a84 r14 = 0xf2f20000f2f2f2f2 r15 = 0xf2f2f2f2f2040000
AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV array.c:265 in ary_concat
==56546==ABORTING
Abort trap: 6
This issue was reported by https://hackerone.com/mg36
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