http://llvm.org/bugs/show_bug.cgi?id=14674
Bug #: 14674
Summary: Address Sanitizer (ASan) is not compatible with Cocoa
Garbage Collection (GC)
Product: new-bugs
Version: trunk
Platform: Macintosh
OS/Version: MacOS X
Status: NEW
Severity: enhancement
Priority: P
Component: new bugs
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
Created attachment 9747
--> http://llvm.org/bugs/attachment.cgi?id=9747
test case
Address Sanitizer (ASan) is not compatible with Cocoa Garbage Collection (GC).
As GC is deprecated, I agree this might not be worth fixing, but maybe it's
something unexpectedly simple, like #13794 was.
With a trivial test case (attached) that just calls NSApplicationLoad() in
main() the OS spews a bunch of these:
a.out(8598,0x7fff7789c960) malloc: reference count underflow for 0x400410660,
break on auto_refcount_underflow_error to debug.
2012-12-13 13:02:34.723 a.out[8598:707] storing a non-GC object 0x109733e48 in
a GC collection, break on CFCollection_non_gc_storage_error to debug.
then asan spews:
==8598== ERROR: AddressSanitizer: attempting free on address which was not
malloc()-ed: 0x00010aab4000
Full output also attached.
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