Segfaults
Hallo,
ich nutze IPSEC um mich zum VPN-Anbieter zu verbinden. Das System ist Devuan Ascii, also weitgehend identisch mit Debian Stretch.
Seit ein paar Tagen bekomme ich segfaults, laut kern.log heute folgende:
Oct 1 11:42:57 leo kernel: [ 2760.312300] egrep[6489]: segfault at 426e54 ip 00419246 sp bfef4088 error 7 in dash[408000+1d000]
Oct 1 11:42:57 leo kernel: [ 2760.326221] ipsec[6492]: segfault at 4d8e54 ip 004cb246 sp bf8a3628 error 7 in dash[4ba000+1d000]
Oct 1 11:43:09 leo kernel: [ 2771.641090] egrep[6502]: segfault at 4b0e54 ip 004a3246 sp bf916e98 error 7 in dash[492000+1d000]
Oct 1 11:43:09 leo kernel: [ 2771.654892] ipsec[6505]: segfault at 50ae54 ip 004fd246 sp bff812a8 error 7 in dash[4ec000+1d000]
Oct 1 11:43:16 leo kernel: [ 2778.733969] ipsec[6513]: segfault at 4f8e54 ip 004eb246 sp bff6be18 error 7 in dash[4da000+1d000]
Oct 1 11:45:01 leo kernel: [ 2884.261407] sh[6570]: segfault at 44ee54 ip 00441246 sp bf803b08 error 7 in dash[430000+1d000]
Oct 1 11:49:01 leo kernel: [ 3123.760096] sh[6731]: segfault at 4dfe54 ip 004d2246 sp bffcc478 error 7 in dash[4c1000+1d000]
Oct 1 11:49:01 leo kernel: [ 3123.834954] sh[6732]: segfault at 47fe54 ip 00472246 sp bfb6f978 error 7 in dash[461000+1d000]
Oct 1 11:49:07 leo kernel: [ 3129.579042] sh[6740]: segfault at 464e54 ip 00457246 sp bfd0f578 error 7 in dash[446000+1d000]
Oct 1 11:49:17 leo kernel: [ 3139.961932] sh[6746]: segfault at 4e0e54 ip 004d3246 sp bff6bcc8 error 7 in dash[4c2000+1d000]
Oct 1 11:49:18 leo kernel: [ 3140.674438] sh[6747]: segfault at 41ee54 ip 00411246 sp bf9d4e08 error 7 in dash[400000+1d000]
Oct 1 11:49:53 leo kernel: [ 3175.570971] sh[6766]: segfault at 467e54 ip 0045a246 sp bfcbe818 error 7 in dash[449000+1d000]
Oct 1 11:50:33 leo kernel: [ 3216.067566] sh[6798]: segfault at 503e54 ip 004f6246 sp bfd70198 error 7 in dash[4e5000+1d000]
Oct 1 11:53:05 leo kernel: [ 3368.087741] sh[6895]: segfault at 425e54 ip 00418246 sp bf93c6e8 error 7 in dash[407000+1d000]
Oct 1 11:53:05 leo kernel: [ 3368.154854] sh[6896]: segfault at 485e54 ip 00478246 sp bfcb5da8 error 7 in dash[467000+1d000]
Oct 1 11:53:09 leo kernel: [ 3371.857798] sh[6904]: segfault at 4f7e54 ip 004ea246 sp bfc894b8 error 7 in dash[4d9000+1d000]
Oct 1 11:53:15 leo kernel: [ 3377.408246] sh[6905]: segfault at 48ce54 ip 0047f246 sp bf8951a8 error 7 in dash[46e000+1d000]
Oct 1 11:53:16 leo kernel: [ 3378.429724] sh[6906]: segfault at 431e54 ip 00424246 sp bfe1bc58 error 7 in dash[413000+1d000]
Oct 1 11:53:25 leo kernel: [ 3388.290962] sh[6912]: segfault at 47fe54 ip 00472246 sp bfe3cc68 error 7 in dash[461000+1d000]
Oct 1 11:55:01 leo kernel: [ 3484.267818] sh[6979]: segfault at 50de54 ip 00500246 sp bfaf0338 error 7 in dash[4ef000+1d000]
Oct 1 11:55:45 leo kernel: [ 3528.105365] sh[7009]: segfault at 473e54 ip 00466246 sp bf957248 error 7 in dash[455000+1d000]
Oct 1 11:55:50 leo kernel: [ 3533.220037] sh[7017]: segfault at 4f4e54 ip 004e7246 sp bfec7a98 error 7 in dash[4d6000+1d000]
Oct 1 11:55:59 leo kernel: [ 3541.616130] sh[7023]: segfault at 4e8e54 ip 004db246 sp bfca6e28 error 7 in dash[4ca000+1d000]
Oct 1 11:56:00 leo kernel: [ 3542.633052] sh[7024]: segfault at 456e54 ip 00449246 sp bfd4c0b8 error 7 in dash[438000+1d000]
Oct 1 12:00:01 leo kernel: [ 3784.273639] sh[7148]: segfault at 466e54 ip 00459246 sp bfe6bf58 error 7 in dash[448000+1d000]
Heute gibt es folgenden (reproduzierbaren) Fehler:
root@......:~# ipsec status
Speicherzugriffsfehler
~# strace -f -o ipsec3 ipsec status
Den Output kann ich zwar lesen, aber nur schwer verstehen. Kann mir dazu jemand sicherheitstechnisch etwas sagen? Die Ausgabe ist nicht sehr lang, daher hier komplett. Mutt ist wohl auch betroffen, wollte keine Mail verfassen.
6661 execve("/usr/sbin/ipsec", ["ipsec", "status"], [/* 14 vars */]) = 0
6661 brk(NULL) = 0x1b7e000
6661 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
6661 mmap2(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb7765000
6661 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
6661 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
6661 fstat64(3, {st_mode=S_IFREG|0644, st_size=178410, ...}) = 0
6661 mmap2(NULL, 178410, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb7739000
6661 close(3) = 0
6661 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
6661 open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY|O_CLOEXEC) = 3
6661 read(3, "\177ELF\1\1\1\3\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\0\204\1\0004\0\0\0"..., 512) = 512
6661 fstat64(3, {st_mode=S_IFREG|0755, st_size=1787812, ...}) = 0
6661 mmap2(NULL, 1796604, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7582000
6661 mmap2(0xb7733000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x1b0000) = 0xb7733000
6661 mmap2(0xb7736000, 10748, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7736000
6661 close(3) = 0
6661 set_thread_area({entry_number:-1, base_addr:0xb7767840, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0 (entry_number:6)
6661 mprotect(0xb7733000, 8192, PROT_READ) = 0
6661 mprotect(0x462000, 4096, PROT_READ) = 0
6661 mprotect(0xb778f000, 4096, PROT_READ) = 0
6661 munmap(0xb7739000, 178410) = 0
6661 getpid() = 6661
6661 rt_sigaction(SIGCHLD, {sa_handler=0x454a30, sa_mask=~[RTMIN RT_1], sa_flags=0}, NULL, 8) = 0
6661 geteuid32() = 0
6661 brk(NULL) = 0x1b7e000
6661 brk(0x1b9f000) = 0x1b9f000
6661 --- SIGSEGV {si_signo=SIGSEGV, si_code=SEGV_ACCERR, si_addr=0x462e54} ---
6661 +++ killed by SIGSEGV +++
Gruß
Christian
--
*** Christian Knoke * 25541 Brunsbüttel * http://cknoke.de ***
... ...
The prejudices people feel about each other disappear when they
get to know each other. -- Kirk, "Elaan of Troyius", stardate 4372.5
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