• d-bugmail puremagic.com (42/42) Jan 03 2018 https://issues.dlang.org/show_bug.cgi?id=18190

d-bugmail puremagic.com writes:

https://issues.dlang.org/show_bug.cgi?id=18190

          Issue ID: 18190
           Summary: [asan] heap-buffer-overflow in
                    Module.load.checkModFileAlias
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Linux
            Status: NEW
          Keywords: ice
          Severity: normal
          Priority: P1
         Component: dmd
          Assignee: nobody puremagic.com
          Reporter: code dawg.eu

Created attachment 1674
  --> https://issues.dlang.org/attachment.cgi?id=1674&action=edit
ASan log

Occured while running compilable/test16798.d.

=================================================================
==13718==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x602000005a80 at pc 0x000000f54b01 bp 0x7fff48b01170 sp 0x7fff48b00920
READ of size 21 at 0x602000005a80 thread T0

/build/src/compiler-rt/lib/asan/../sanitizer_common/sanitizer_common_interceptors.inc:773

_D3dmd7dmodule6Module4loadRS3dmd7globals3LocPS3dmd4root5array40__T5ArrayTC3dmd10identifier10IdentifierZ5ArrayC3dmd10identifier10IdentifierZ17checkModFileAliasMFNbPxaZv
(/home/dawg/Code/D/DPL/dmd/generated/linux/release/64/dmd+0xb12fb8)

(/home/dawg/Code/D/DPL/dmd/generated/linux/release/64/dmd+0xb126cc)

...

0x602000005a80 is located 0 bytes to the right of 16-byte region
[0x602000005a70,0x602000005a80)
allocated by thread T0 here:

/build/src/compiler-rt/lib/asan/asan_malloc_linux.cc:67

(/home/dawg/Code/D/DPL/dmd/generated/linux/release/64/dmd+0xecbf76)

(/home/dawg/Code/D/DPL/dmd/generated/linux/release/64/dmd+0x8e8e15)
==============================

--