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Posted to apache-bugdb@apache.org by Boris Hajduk <ha...@epita.fr> on 2000/06/19 12:36:59 UTC
general/6208: Kernel panic... apache or kernel problem ?
>Number: 6208
>Category: general
>Synopsis: Kernel panic... apache or kernel problem ?
>Confidential: no
>Severity: serious
>Priority: medium
>Responsible: apache
>State: open
>Class: sw-bug
>Submitter-Id: apache
>Arrival-Date: Mon Jun 19 03:40:03 PDT 2000
>Closed-Date:
>Last-Modified:
>Originator: hajduk_b@epita.fr
>Release: 1.3.6
>Organization:
apache
>Environment:
RedHat-6.1 kernel 2.2.12-20smp gcc uid=nobody
I am the only one to have an account on that server (no local-exploit)
Server version: Apache/1.3.6 (Unix)
Server built: Feb 18 2000 21:04:42
Server's Module Magic Number: 19990320:0
Server compiled with....
-D HAVE_MMAP
-D HAVE_SHMGET
-D USE_SHMGET_SCOREBOARD
-D USE_MMAP_FILES
-D USE_FCNTL_SERIALIZED_ACCEPT
-D HTTPD_ROOT="/usr/local/apache"
-D SUEXEC_BIN="/usr/local/apache/bin/suexec"
-D SHARED_CORE_DIR="/usr/local/apache/libexec"
-D DEFAULT_PIDLOG="logs/httpd.pid"
-D DEFAULT_SCOREBOARD="logs/httpd.scoreboard"
-D DEFAULT_LOCKFILE="logs/httpd.lock"
-D DEFAULT_XFERLOG="logs/access_log"
-D DEFAULT_ERRORLOG="logs/error_log"
-D TYPES_CONFIG_FILE="conf/mime.types"
-D SERVER_CONFIG_FILE="conf/httpd.conf"
-D ACCESS_CONFIG_FILE="conf/access.conf"
-D RESOURCE_CONFIG_FILE="conf/srm.conf"
>Description:
I've read in #hackers that my site was going to be attacked on Jun, 2nd;
and they successfully get my site down.
Jun 2 18:13:06 localhost kernel: Unable to handle kernel NULL pointer dereference at virtual address 00000008
Jun 2 18:13:06 localhost kernel: current->tss.cr3 = 1a57d000, %cr3 = 1a57d000
Jun 2 18:13:06 localhost kernel: *pde = 00000000
Jun 2 18:13:06 localhost kernel: Oops: 0000
Jun 2 18:13:06 localhost kernel: CPU: 0
Jun 2 18:13:06 localhost kernel: EIP: 0010:[tcp_v4_unhash+120/172]
Jun 2 18:13:06 localhost kernel: EFLAGS: 00010282
Jun 2 18:13:06 localhost kernel: eax: cc1891e8 ebx: db139c80 ecx: 00000000 edx: cc189a80
Jun 2 18:13:06 localhost kernel: esi: db139c80 edi: df458f00 ebp: d375c91c esp: c5f63ec8
Jun 2 18:13:06 localhost kernel: ds: 0018 es: 0018 ss: 0018
Jun 2 18:13:06 localhost kernel: Process httpd (pid: 14940, process nr: 97, stackpage=c5f63000)
Jun 2 18:13:06 localhost kernel: Stack: db139c80 ffffff8f df459480 c017625b db139c80 d375c91c ddee4a2c d375c880
Jun 2 18:13:06 localhost kernel: c5f62000 c0150088 ddee4a2c d375c91c 00000002 00000004 4000a610 bffffe64
Jun 2 18:13:06 localhost kernel: bffffcd4 cca6fcc0 00000000 00000007 c731249c cca6fcc0 c5f63f24 00000001
Jun 2 18:13:06 localhost kernel: Call Trace: [inet_accept+215/252] [sys_accept+144/356] [sys_fcntl+764/948] [sys_fcntl+917/948] [sys_socketcall+176/480] [system_call+52/56]
Jun 2 18:13:06 localhost kernel: Code: 83 79 08 00 75 24 8b 51 04 85 d2 74 09 8b 41 0c 89 42 0c 8b
Jun 2 20:36:17 localhost syslogd 1.3-3: restart.
There is nothing in error_log (no segfault)
The kernel did panic, and I needed to hard-reset the computer.
Could it be a kernel problem ?
no core file available
>How-To-Repeat:
unknown
>Fix:
>Release-Note:
>Audit-Trail:
>Unformatted:
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