Hi All,

I need some help interpreting a result.

In the result below, is the problem in Asan due to frame 0 and
sanitizer_common_interceptors.inc? Or is the problem in
sock_recvmsg_guts at frame 2?

I'm confused because frame 0 is usually from the target, and not the Asan tool.

Thanks in advance.

**********

==29767==ERROR: AddressSanitizer: heap-buffer-overflow on address
0x6030000c0ce4 at pc 0x4aafea bp 0x7fff4c426010 sp 0x7fff4c425fc0
WRITE of size 24 at 0x6030000c0ce4 thread T0
    #0 0x4aafe9 in write_msghdr
/home/jwalton/Desktop/clang-3.4/llvm-3.4/projects/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:1395
    #1 0x4aafe9 in __interceptor_recvmsg
/home/jwalton/Desktop/clang-3.4/llvm-3.4/projects/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc:1405
    #2 0x2b955a764166 in sock_recvmsg_guts ./Modules/socketmodule.c:2968
    #3 0x2b955a75f856 in sock_recvmsg ./Modules/socketmodule.c:3098
    #4 0x6642ea in ext_do_call ./Python/ceval.c:4548
    #5 0x6642ea in PyEval_EvalFrameEx ./Python/ceval.c:2869
    #6 0x655aab in PyEval_EvalCodeEx ./Python/ceval.c:3578
    #7 0x670ce5 in fast_function ./Python/ceval.c:4334
    #8 0x65fbf8 in call_function ./Python/ceval.c:4252
    ...

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