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The following input demonstrates a crash:
class X < Proc 1.times{ super() } end
ASAN report:
ASAN:DEADLYSIGNAL ================================================================= ==31258==ERROR: AddressSanitizer: SEGV on unknown address 0x000000000000 (pc 0x0001006b06d6 bp 0x7fff5f6bd030 sp 0x7fff5f6b5120 T0) ==31258==The signal is caused by a READ memory access. ==31258==Hint: address points to the zero page. #0 0x1006b06d5 in mrb_vm_exec vm.c:1392 #1 0x1006a39f3 in mrb_vm_run vm.c:862 #2 0x1006d7cdf in mrb_top_run vm.c:2764 #3 0x1007a9dd5 in mrb_load_exec parse.y:5780 #4 0x1007aa725 in mrb_load_file_cxt parse.y:5789 #5 0x100542e56 in main mruby.c:227 #6 0x7fffe5638234 in start (libdyld.dylib:x86_64+0x5234) ==31258==Register values: rax = 0x000060400000efd0 rbx = 0xf2f2f200f2f20000 rcx = 0x001e76f0004b9ca0 rdx = 0x000062f00000c3f8 rdi = 0x0000100000000000 rsi = 0x0003dede00097394 rbp = 0x00007fff5f6bd030 rsp = 0x00007fff5f6b5120 r8 = 0x0000100000000000 r9 = 0xf6e03d9b8bc60000 r10 = 0x0000100000000000 r11 = 0x00001e2f5f69fa00 r12 = 0xf2f20000f1f1f1f1 r13 = 0x00001fffebed7848 r14 = 0xf2f20000f2f2f2f2 r15 = 0xf2f2f2f2f2040000 AddressSanitizer can not provide additional info. SUMMARY: AddressSanitizer: SEGV vm.c:1392 in mrb_vm_exec ==31258==ABORTING Abort trap: 6
This issue was reported by https://hackerone.com/ahihi
The text was updated successfully, but these errors were encountered:
Simplify code since OP_EXEC never takes CFUNC Proc; #3678
eb69eeb
Clear VM stack in OP_EXEC; ref #3678
b0f2bc3
a893877
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The following input demonstrates a crash:
ASAN report:
This issue was reported by https://hackerone.com/ahihi
The text was updated successfully, but these errors were encountered: