Dotaz: Neoprávněný přístup do paměti (SIGSEGV)

[sixberk]

Zdarec,

pri spusteni ssh 192.168.168.2 mi to vyhodi hlasku Neoprávněný přístup do paměti (SIGSEGV), vubec netusim cim to je zkousel jsem 2x reboot ale nepomohlo. Jinak debian beha sqele. Netusi nekdo, cim to muze byt ? Vypis z strace je :

execve("/usr/bin/ssh", ["ssh", "192.168.168.2"], [/* 18 vars */]) = 0
old_mmap(0xc8c000, 4096, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0xbfdf1a3808086018) = 0xc8c000
old_mmap(0x8048000, 1458176, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0xbfdf0f7808086018) = 0x8048000
old_mmap(0x8048000, 1350523, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0xbfdf0f7808086018) = 0x8048000
mprotect(0x8048000, 1350520, PROT_READ|PROT_EXEC) = 0
old_mmap(0x8192000, 69115, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0xbfdf0f7808086018) = 0x8192000
mprotect(0x8192000, 69112, PROT_READ|PROT_WRITE) = 0
old_mmap(0x81a3000, 35180, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0xbfdf0f7808086018) = 0x81a3000
brk(0x81ac000)                          = 0x81ac000
munmap(0xc01000, 573440)                = 0
uname({sys="Linux", node="rufus", ...}) = 0
brk(0)                                  = 0x81ac000
brk(0x81cd000)                          = 0x81cd000
open("/dev/urandom", O_RDONLY)          = 3
read(3, "\371\234\364\221"..., 4)       = 4
close(3)                                = 0
open("/dev/null", O_RDWR|O_LARGEFILE)   = 3
close(3)                                = 0
getuid32()                              = 0
geteuid32()                             = 0
setresuid32(-1, 0, -1)                  = 0
socket(PF_FILE, SOCK_STREAM, 0)         = 3
fcntl64(3, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"...}, 110) = -1 ENOENT (No such file or directory)
close(3)                                = 0
socket(PF_FILE, SOCK_STREAM, 0)         = 3
fcntl64(3, F_GETFL)                     = 0x2 (flags O_RDWR)
fcntl64(3, F_SETFL, O_RDWR|O_NONBLOCK)  = 0
connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"...}, 110) = -1 ENOENT (No such file or directory)
close(3)                                = 0
open("/etc/nsswitch.conf", O_RDONLY)    = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=465, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7e000
read(3, "# /etc/nsswitch.conf\n#\n# Example "..., 4096) = 465
read(3, ""..., 4096)                    = 0
close(3)                                = 0
munmap(0xb7f7e000, 4096)                = 0
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=35154, ...}) = 0
mmap2(NULL, 35154, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f76000
close(3)                                = 0
open("/lib/i686/cmov/libnss_compat.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\16\0\0004\0\0\0\204"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=30436, ...}) = 0
mmap2(NULL, 33356, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f6d000
mmap2(0xb7f74000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x6) = 0xb7f74000
close(3)                                = 0
open("/lib/i686/cmov/libnsl.so.1", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\00001\0\0004\0\0\0\230"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=87800, ...}) = 0
mmap2(NULL, 100328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7f54000
mmap2(0xb7f69000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14) = 0xb7f69000
mmap2(0xb7f6b000, 6120, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f6b000
close(3)                                = 0
open("/lib/i686/cmov/libc.so.6", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\260e\1\0004\0\0\0\4"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=1413540, ...}) = 0
set_thread_area({entry_number:-1 -> 6, base_addr:0x81adbc0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
mmap2(NULL, 1418864, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7df9000
mmap2(0xb7f4e000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x155) = 0xb7f4e000
mmap2(0xb7f51000, 9840, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7f51000
close(3)                                = 0
open("/lib/i686/cmov/ld-linux.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\10\0\0004\0\0\0\240"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=125536, ...}) = 0
mmap2(NULL, 128632, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7dd9000
mmap2(0xb7df7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1d) = 0xb7df7000
close(3)                                = 0
mprotect(0xb7f4e000, 4096, PROT_READ)   = 0
munmap(0xb7f76000, 35154)               = 0
mmap2(NULL, 1048576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7cd9000
open("/etc/nsswitch.conf", O_RDONLY)    = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=465, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7e000
read(3, "# /etc/nsswitch.conf\n#\n# Example "..., 4096) = 465
read(3, ""..., 4096)                    = 0
close(3)                                = 0
munmap(0xb7f7e000, 4096)                = 0
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=35154, ...}) = 0
mmap2(NULL, 35154, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f76000
close(3)                                = 0
open("/lib/i686/cmov/libnss_nis.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\20\31\0\0004\0\0\0\314"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=38444, ...}) = 0
mmap2(NULL, 41532, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7cce000
mmap2(0xb7cd7000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x8) = 0xb7cd7000
close(3)                                = 0
open("/lib/i686/cmov/libnss_files.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\320\30\0\0004\0\0\0\250"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=42504, ...}) = 0
mmap2(NULL, 45720, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7cc2000
mmap2(0xb7ccc000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9) = 0xb7ccc000
close(3)                                = 0
munmap(0xb7f76000, 35154)               = 0
open("/etc/passwd", O_RDONLY|O_CLOEXEC) = 3
fcntl64(3, F_GETFD)                     = 0
fcntl64(3, F_SETFD, FD_CLOEXEC)         = 0
_llseek(3, 0, [0], SEEK_CUR)            = 0
fstat64(3, {st_mode=S_IFREG|0644, st_size=2586, ...}) = 0
mmap2(NULL, 2586, PROT_READ, MAP_SHARED, 3, 0) = 0xb7f7e000
_llseek(3, 2586, [2586], SEEK_SET)      = 0
munmap(0xb7f7e000, 2586)                = 0
close(3)                                = 0
umask(022)                              = 022
ioctl(0, SNDCTL_TMR_TIMEBASE or TCGETS, {B38400 opost isig icanon echo ...}) = 0
open("/root/.ssh/config", O_RDONLY|O_LARGEFILE) = -1 ENOENT (No such file or directory)
open("/etc/ssh/ssh_config", O_RDONLY|O_LARGEFILE) = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=1425, ...}) = 0
mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7f7e000
read(3, "\n# This is the ssh client system-"..., 4096) = 1425
read(3, ""..., 4096)                    = 0
close(3)                                = 0
munmap(0xb7f7e000, 4096)                = 0
getpid()                                = 2905
getpid()                                = 2905
open("/dev/urandom", O_RDONLY|O_NOCTTY|O_NONBLOCK) = 3
select(4, [3], NULL, NULL, {0, 10000})  = 1 (in [3], left {0, 10000})
read(3, "\217T\255\357\21\275\203Iv\306i\242\27\26\331\ts\256\312\212wh\227,\0\232\204_'D\24)"..., 32) = 32
close(3)                                = 0
getpid()                                = 2905
getpid()                                = 2905
getuid32()                              = 0
getpid()                                = 2905
time(NULL)                              = 1236500357
getpid()                                = 2905
open("/etc/ld.so.cache", O_RDONLY)      = 3
fstat64(3, {st_mode=S_IFREG|0644, st_size=35154, ...}) = 0
mmap2(NULL, 35154, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7f76000
close(3)                                = 0
open("/usr/lib/libnss_db.so.2", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000\21\0\0004\0\0\0<"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=17956, ...}) = 0
mmap2(NULL, 17096, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7cbd000
mmap2(0xb7cc1000, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4) = 0xb7cc1000
close(3)                                = 0
open("/usr/lib/libdb-4.6.so", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\360\350\1\0004\0\0\0,"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0644, st_size=1256548, ...}) = 0
mmap2(NULL, 1255836, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7b8a000
mmap2(0xb7cba000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x130) = 0xb7cba000
close(3)                                = 0
open("/lib/i686/cmov/libpthread.so.0", O_RDONLY) = 3
read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0000H\0\0004\0\0\0\330"..., 512) = 512
fstat64(3, {st_mode=S_IFREG|0755, st_size=116414, ...}) = 0
mmap2(NULL, 98784, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7b71000
mmap2(0xb7b86000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x14) = 0xb7b86000
mmap2(0xb7b88000, 4576, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7b88000
close(3)                                = 0
set_tid_address(0x81adc08)              = 2905
set_robust_list(0x81adc10, 0xc)         = 0
futex(0xbfdf0d88, FUTEX_WAKE_PRIVATE, 1) = -1 ENOSYS (Function not implemented)
rt_sigaction(SIGRTMIN, {0xb7b752e0, [], SA_RESTORER|SA_SIGINFO, 0xb7b7f5b0}, NULL, 8) = 0
rt_sigaction(SIGRT_1, {0xb7b75720, [], SA_RESTORER|SA_RESTART|SA_SIGINFO, 0xb7b7f5b0}, NULL, 8) = 0
rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
--- SIGSEGV (Segmentation fault) @ 0 (0) ---
+++ killed by SIGSEGV +++
 

Odpovědi

[NN]

futex 0xbfdf0d88

Co mate za jadro a jako mate verzi ssh?

NN

[sixberk]

jadro je nejnovejsi  2.6.26-1-amd64  a ssh 1:5.1p1-5