Date: Tue, 7 Jul 2015 15:09:18 -0700 From: Garrett Cooper <yaneurabeya@gmail.com> To: Oliver Pinter <oliver.pinter@hardenedbsd.org> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: gettimeofday((void *)-1, NULL) implicates core dump on recent FreeBSD 11-CURRENT Message-ID: <657220ED-CF1D-4A9B-BF5D-AD4FCFE959E0@gmail.com> In-Reply-To: <CAPQ4ffuTcN_ytcH7GPY0s6OqWK9qo6MGaVZhOB%2B0ojWfd=fNCg@mail.gmail.com> References: <CAPQ4ffuTcN_ytcH7GPY0s6OqWK9qo6MGaVZhOB%2B0ojWfd=fNCg@mail.gmail.com>
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> On Jul 7, 2015, at 15:00, Oliver Pinter <oliver.pinter@hardenedbsd.org> wr= ote: >=20 > Hi all! >=20 > We discovered that one of the kyua test failing from gettimeofday tests. > The error is reproducible on recent snapshot from 11-CURRENT: > ftp://ftp.freebsd.org/pub/FreeBSD/snapshots/amd64/amd64/ISO-IMAGES/11.0/Fre= eBSD-11.0-CURRENT-amd64-20150630-r284969-disc1.iso >=20 > root@freebsd:~ # cat test-gtod.c > #include <sys/time.h> > #include <stdio.h> >=20 > int > main(int argc, char **argv) > { >=20 > return (gettimeofday((void *)-1, NULL)); > } > root@freebsd:~ # make test-gtod > cc -O2 -pipe test-gtod.c -o test-gtod > root@freebsd:~ # uname -a > FreeBSD freebsd 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r284969: Tue Jun > 30 22:05:35 UTC 2015 > root@releng2.nyi.freebsd.org:/usr/obj/usr/src/sys/GENERIC amd64 > root@freebsd:~ # ./test-gtod > Segmentation fault (core dumped) >=20 > root@freebsd:~ # gdb ./test-gtod > GNU gdb 6.1.1 [FreeBSD] > Copyright 2004 Free Software Foundation, Inc. > GDB is free software, covered by the GNU General Public License, and you a= re > welcome to change it and/or distribute copies of it under certain conditio= ns. > Type "show copying" to see the conditions. > There is absolutely no warranty for GDB. Type "show warranty" for details= . > This GDB was configured as "amd64-marcel-freebsd"...(no debugging > symbols found)... > (gdb) r > Starting program: /root/test-gtod > (no debugging symbols found)...(no debugging symbols found)... > Program received signal SIGSEGV, Segmentation fault. > 0x0000000800958fbd in bcopy () from /lib/libc.so.7 > (gdb) bt > #0 0x0000000800958fbd in bcopy () from /lib/libc.so.7 > #1 0x00000000559c1291 in ?? () > #2 0xf9fde38df0174b80 in ?? () > #3 0xffffffffffffffff in ?? () > #4 0x0000000000000000 in ?? () >=20 > And this is the original kyua test: > op@opn sys> kyua test gettimeofday_test > gettimeofday_test:gettimeofday_err -> broken: Premature exit; test > case received signal 11 (core dumped) [0.987s] > gettimeofday_test:gettimeofday_mono -> passed [0.014s] >=20 > Results file id is usr_tests_lib_libc_sys.20150707-215959-750045 > Results saved to > /usr/home/op/.kyua/store/results.usr_tests_lib_libc_sys.20150707-215959-75= 0045.db >=20 > 1/2 passed (1 failed) > op@opn sys> pwd > /usr/tests/lib/libc/sys Please file a bug. I have no idea where this broke because the Jenkins runs have been unreliabl= e over the past few weeks ;(...=
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