[Nut-upsuser] NUT 2.4.1 crashes on FreeBSD - additional info
Arnaud Quette
aquette.dev at gmail.com
Thu Feb 19 14:18:34 UTC 2009
Hi Volker,
I forward your request to the user list since I don't currently have much
time to process it.
quickly testing 2.4.1, I wasn't able to reproduce it.
a question: was it working with the exact same context/config with 2.2.2?
cheers,
Arnaud
--
Linux / Unix Expert R&D - Eaton - http://www.eaton.com/mgeops
Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
Debian Developer - http://people.debian.org/~aquette/
Free Software Developer - http://arnaud.quette.free.fr/
2009/2/18 Volker Theile <votdev at gmx.de>
> Hi again,
>
> forgot to mention that i did the tests the following way:
>
> freenas:~# setenv UPSNAME ups
> freenas:~# setenv NOTIFYTYPE ONLINE
> freenas:~# upssched
> Executing command: resume
> Segmentation fault (core dumped)
>
> freenas:~# truss upssched
> __sysctl(0xbfbfea24,0x2,0xbfbfea2c,0xbfbfea30,0x0,0x0) = 0 (0x0)
> mmap(0x0,280,PROT_READ|PROT_WRITE,MAP_ANON,-1,0x0) = 671584256 (0x28079000)
> munmap(0x28079000,280) = 0 (0x0)
> __sysctl(0xbfbfea88,0x2,0x28075d7c,0xbfbfea90,0x0,0x0) = 0 (0x0)
> mmap(0x0,32768,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
> 671584256 (0x28079000)
> issetugid(0x2806eeac,0xbfbfeb50,0x104,0x0,0x0,0x0) = 0 (0x0)
> open("/etc/libmap.conf",O_RDONLY,0666) ERR#2 'No such file or
> directory'
> open("/var/run/ld-elf.so.hints",O_RDONLY,00) = 3 (0x3)
> read(3,"Ehnt\^A\0\0\0\M^@\0\0\0\^]\0\0\0"...,128) = 128 (0x80)
> lseek(3,0x80,SEEK_SET) = 128 (0x80)
> read(3,"/usr/lib:/usr/local/lib:/lib\0",29) = 29 (0x1d)
> close(3) = 0 (0x0)
> access("/usr/lib/libc.so.7",0) ERR#2 'No such file or
> directory'
> access("/usr/local/lib/libc.so.7",0) ERR#2 'No such file or
> directory'
> access("/lib/libc.so.7",0) = 0 (0x0)
> open("/lib/libc.so.7",O_RDONLY,00) = 3 (0x3)
> fstat(3,{ mode=-rwxr-xr-x ,inode=8054,size=1057976,blksize=4096 }) = 0
> (0x0)
> read(3,"\^?ELF\^A\^A\^A\t\0\0\0\0\0\0\0"...,4096) = 4096 (0x1000)
> mmap(0x0,1056768,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_NOCORE,3,0x0) =
> 671617024 (0x28081000)
> mprotect(0x28168000,4096,PROT_READ|PROT_WRITE|PROT_EXEC) = 0 (0x0)
> mprotect(0x28168000,4096,PROT_READ|PROT_EXEC) = 0 (0x0)
> mmap(0x28169000,24576,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,3,0xe8000)
> = 672567296 (0x28169000)
> mmap(0x2816f000,81920,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_ANON,-1,0x0)
> = 672591872 (0x2816f000)
> close(3) = 0 (0x0)
> sysarch(0xa,0xbfbfeaf0,0x2804f16b,0x28074734,0x28060529,0x28074734) = 0
> (0x0)
> mmap(0x0,608,PROT_READ|PROT_WRITE,MAP_ANON,-1,0x0) = 672673792 (0x28183000)
> munmap(0x28183000,608) = 0 (0x0)
> mmap(0x0,21112,PROT_READ|PROT_WRITE,MAP_ANON,-1,0x0) = 672673792
> (0x28183000)
> munmap(0x28183000,21112) = 0 (0x0)
> sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
> = 0 (0x0)
> sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)
> __sysctl(0xbfbfeaa4,0x2,0x2816fae0,0xbfbfeaac,0x0,0x0) = 0 (0x0)
> sigprocmask(SIG_BLOCK,SIGHUP|SIGINT|SIGQUIT|SIGKILL|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2,0x0)
> = 0 (0x0)
> sigprocmask(SIG_SETMASK,0x0,0x0) = 0 (0x0)
> __sysctl(0xbfbfe678,0x2,0x281738c0,0xbfbfe684,0x0,0x0) = 0 (0x0)
> __sysctl(0xbfbfe188,0x2,0x2818005c,0xbfbfe190,0x0,0x0) = 0 (0x0)
> __sysctl(0xbfbfe1d8,0x2,0xbfbfe1e4,0xbfbfe1e8,0x0,0x0) = 0 (0x0)
> readlink("/etc/malloc.conf",0xbfbfe277,1024) ERR#2 'No such file or
> directory'
> issetugid(0x28160aa0,0xbfbfe277,0x400,0xbfbfe684,0x0,0x0) = 0 (0x0)
> break(0x8100000) = 0 (0x0)
> __sysctl(0xbfbfe514,0x2,0xbfbfe51c,0xbfbfe520,0x0,0x0) = 0 (0x0)
> mmap(0x0,1048576,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
> 672673792 (0x28183000)
> mmap(0x28283000,512000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,-1,0x0) =
> 673722368 (0x28283000)
> munmap(0x28183000,512000) = 0 (0x0)
> open("/var/etc/upssched.conf",O_RDONLY,0666) = 3 (0x3)
> fstat(3,{ mode=-rw------- ,inode=63,size=507,blksize=4096 }) = 0 (0x0)
> read(3,"CMDSCRIPT /usr/local/bin/upssche"...,4096) = 507 (0x1fb)
> socket(PF_LOCAL,SOCK_STREAM,0) = 4 (0x4)
> connect(4,{ AF_UNIX "/var/run/upssched.pipe" },106) ERR#2 'No such file or
> directory'
> Executing command: resume
> write(2,"Executing command: resume\n",26) = 26 (0x1a)
> gettimeofday({1234996218.667506 },0x0) = 0 (0x0)
> SIGNAL 11 (SIGSEGV)
>
> Hello,
>>
>> i'm the developer and project leader of FreeNAS which uses NUT UPS. During
>> upgrading from 2.2.2 to 2.4 i realized that i get a core dump in upssched
>> when an event occurs. During my research i found out that this happens when
>> the line:
>>
>> AT ONBATT * START-TIMER shutdown 30
>>
>> is parsed. It crashed then in add_arg_word at the following line:
>>
>> ctx->arglist[argpos] = realloc(ctx->arglist[argpos], newlen);
>>
>> I looked at the code (and did a diff to the previous stable code) but did
>> not find anything. I'm at the end of my knowledge now, so i want to ask you
>> if you did have any idea?
>>
>> Regards
>> Volker Theile
>>
>> The output of some variables before the crash:
>>
>> argpos: 5
>> ctx->numargs: 6
>> ctx->maxargs: 5
>> ctx->wordbuf: 30
>> wbuflen: 2
>> ctx->argsize[argpos]: 0
>> ctx->arglist[argpos]: 0
>> newlen: 3
>>
>> gdb backtrace:
>>
>> Program received signal SIGSEGV, Segmentation fault.
>> 0x280e84ad in realloc () from /lib/libc.so.7
>> (gdb)
>> (gdb)
>> (gdb)
>> (gdb)
>> (gdb) bt
>> #0 0x280e84ad in realloc () from /lib/libc.so.7
>> #1 0x0804ba40 in add_arg_word (ctx=0xbfbfe8f4) at parseconf.c:152
>> #2 0x0804bc18 in endofword (ctx=0xbfbfe8f4) at parseconf.c:212
>> #3 0x0804bedb in collect (ctx=0xbfbfe8f4) at parseconf.c:317
>> #4 0x0804c2e5 in parse_char (ctx=0xbfbfe8f4) at parseconf.c:449
>> #5 0x0804c41d in pconf_file_next (ctx=0xbfbfe8f4) at parseconf.c:499
>> #6 0x0804a9e0 in checkconf () at upssched.c:874
>> #7 0x0804aaa9 in main () at upssched.c:924
>> (gdb)
>>
>> upssched.conf:
>>
>> CMDSCRIPT /usr/local/bin/upssched-cmd
>> PIPEFN /var/run/upssched.pipe
>> LOCKFN /var/run/upssched.lock
>>
>> AT COMMOK * EXECUTE notify
>> AT COMMBAD * EXECUTE notify
>> AT REPLBATT * EXECUTE notify
>> AT NOCOMM * EXECUTE notify
>> AT FSD * EXECUTE forced-shutdown
>> AT NOPARENT * EXECUTE notify
>> AT SHUTDOWN * EXECUTE notify
>> AT ONLINE * CANCEL-TIMER shutdown
>> AT ONLINE * EXECUTE resume
>> AT ONBATT * START-TIMER shutdown 30
>> AT ONBATT * EXECUTE shutdown-warning
>> AT LOWBATT * START-TIMER shutdown
>> AT LOWBATT * EXECUTE shutdown-warning
>>
>>
>>
>
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