Bug 232458

Summary: jevents: Program terminated with signal 11, Segmentation fault when build word of 12-STABLE
Product: Base System Reporter: iron.udjin
Component: binAssignee: freebsd-bugs (Nobody) <bugs>
Status: Closed FIXED    
Severity: Affects Only Me    
Priority: ---    
Version: 12.0-STABLE   
Hardware: amd64   
OS: Any   
Attachments:
Description Flags
jevents.truss none

Description iron.udjin 2018-10-19 19:47:48 UTC
Created attachment 198379 [details]
jevents.truss

Hello,

I'm trying to build world of 12-STABLE r339445 from 11.2-STABLE r339336M and it fall with error:

===> lib/ofed/libopensm (all)
===> lib/libpcap (all)
===> lib/libpjdlog (all)
===> lib/libpmc (all)
./pmu-events/jevents "x86" /usr/src/lib/libpmc/pmu-events/arch libpmc_events.c
*** Signal 11

Stop.
make[5]: stopped in /usr/src/lib/libpmc
*** Error code 1


# cd /usr/src/lib/libpmc
# gdb --args /usr/obj/usr/src/amd64.amd64/lib/libpmc/pmu-events/jevents "x86" /usr/src/lib/libpmc/pmu-events/arch libpmc_events.c
(gdb) r
Starting program: /usr/obj/usr/src/amd64.amd64/lib/libpmc/pmu-events/jevents x86 /usr/src/lib/libpmc/pmu-events/arch libpmc_events.c
Program received signal SIGSEGV, Segmentation fault.
json_events (fn=<value optimized out>, func=0x403f00 <print_events_table_entry>, data=0x7fffffffdf80) at /usr/src/lib/libpmc/pmu-events/jevents.c:125
125		if (*e == '.')
Current language:  auto; currently minimal
(gdb) bt
#0  json_events (fn=<value optimized out>, func=0x403f00 <print_events_table_entry>, data=0x7fffffffdf80) at /usr/src/lib/libpmc/pmu-events/jevents.c:125
#1  0x0000000000403b4e in process_one_file (fpath=<value optimized out>, sb=<value optimized out>, typeflag=0, ftwbuf=<value optimized out>) at /usr/src/lib/libpmc/pmu-events/jevents.c:1044
#2  0x00000008008972fe in nftw (path=<value optimized out>, fn=0x403680 <process_one_file>, nfds=<value optimized out>, ftwflags=<value optimized out>) at /usr/src/lib/libc/gen/nftw.c:98
#3  0x0000000000403094 in main (argc=4, argv=<value optimized out>) at /usr/src/lib/libpmc/pmu-events/jevents.c:1135
(gdb)

CFLAGS: -O2 -pipe -march=native -mtune=native
Clang: 6.0.1 (tags/RELEASE_601/final 335540) (based on LLVM 6.0.1)
Arch: amd64

P.S: Please add FreeBSD 12-STABLE in the "Version:" list.
Comment 1 iron.udjin 2018-10-31 01:01:51 UTC
I did clean install of 12-BETA2 and tried run buildworld of 12-STABLE:

===> lib/ofed/libopensm (all)
===> lib/libpcap (all)
===> lib/libpjdlog (all)
===> lib/libpmc (all)
./pmu-events/jevents "x86" /usr/src/lib/libpmc/pmu-events/arch libpmc_events.c
*** Error code 127

Stop.
make[5]: stopped in /usr/src/lib/libpmc
*** Error code 1

Stop.
make[4]: stopped in /usr/src/lib
*** Error code 1
Comment 2 iron.udjin 2018-11-21 02:33:27 UTC
It was fixed somewhere between r339445 and r340717.