Re: Automated report: NetBSD-current/i386 test failure

[Andreas Gustafsson <gson%gson.org@localhost>]

The NetBSD Test Fixture wrote:
> The newly failing test cases are:
> 
>     usr.bin/c++/t_asan_double_free:double_free_profile
>     usr.bin/c++/t_asan_global_buffer_overflow:global_buffer_overflow_profile
>     usr.bin/c++/t_asan_heap_overflow:heap_overflow_profile
>     usr.bin/c++/t_asan_off_by_one:off_by_one_profile
>     usr.bin/c++/t_asan_uaf:uaf_profile
>     usr.bin/c++/t_cxxruntime:cxxruntime_pic_profile
>     usr.bin/c++/t_cxxruntime:cxxruntime_profile
>     usr.bin/c++/t_hello:hello_pic_profile
>     usr.bin/c++/t_hello:hello_profile
>     usr.bin/c++/t_static_destructor:static_destructor_pic_profile
>     usr.bin/c++/t_static_destructor:static_destructor_profile
>     usr.bin/c++/t_ubsan_int_add_overflow:int_add_overflow_profile
>     usr.bin/c++/t_ubsan_int_divzero:int_divzero_profile
>     usr.bin/c++/t_ubsan_int_neg_overflow:int_neg_overflow_profile
>     usr.bin/c++/t_ubsan_int_sub_overflow:int_sub_overflow_profile
>     usr.bin/c++/t_ubsan_vla_out_of_bounds:vla_out_of_bounds_profile
>     usr.bin/cc/t_asan_double_free:double_free_profile
>     usr.bin/cc/t_asan_global_buffer_overflow:global_buffer_overflow_profile
>     usr.bin/cc/t_asan_heap_overflow:heap_overflow_profile
>     usr.bin/cc/t_asan_off_by_one:off_by_one_profile
>     usr.bin/cc/t_asan_uaf:uaf_profile

This has now been narrowed down to the following commit:

>     2018.07.13.19.50.21 joerg src/lib/libc/tls/tls.c,v 1.9

The amd64 port is also affected.

Error messages from the first test failure:

/usr/lib/libc.so.12: warning: warning: __findenv is an internal obsolete function.
Fail: regexp heap-use-after-free not in stderr
ASAN:DEADLYSIGNAL
=================================================================
==15023==ERROR: AddressSanitizer: SEGV on unknown address 0x00000000 (pc 0x080508a3 bp 0xbfbfe8bc sp 0xbfbfe870 T0)
    #0 0x80508a2 in dl_iterate_phdr (/tmp/atf-run.zD2uwg/./test+0x80508a2)
    #1 0x8050f25 in __libc_static_tls_setup (/tmp/atf-run.zD2uwg/./test+0x8050f25)
    #2 0x807430c in _libc_init (/tmp/atf-run.zD2uwg/./test+0x807430c)
    #3 0xbb33d2a7  (/usr/lib/libc.so.12+0x292a7)
    #4 0xbbaee693  (<unknown module>)

AddressSanitizer can not provide additional info.
SUMMARY: AddressSanitizer: SEGV (/tmp/atf-run.zD2uwg/./test+0x80508a2) in dl_iterate_phdr
==15023==ABORTING

-- 
Andreas Gustafsson, gson%gson.org@localhost