Bug#511103: apache2-mpm-prefork: MPM Prefork/Itk Segmentation fault under heavy load
Package: apache2-mpm-prefork Version: 2.2.9-10+lenny1 Severity: normal Under some heavy load, with the default configuration and even without any module, apache2 segfaults : [Wed Jan 07 14:42:27 2009] [notice] child pid 11525 exit signal Segmentation fault (11) [Wed Jan 07 14:42:27 2009] [notice] child pid 11526 exit signal Segmentation fault (11) [Wed Jan 07 14:42:27 2009] [notice] child pid 11527 exit signal Segmentation fault (11) [Wed Jan 07 14:42:27 2009] [notice] child pid 11528 exit signal Segmentation fault (11) Tested on 2 different servers (64bit) and can be reproduced with : ab -n 10 -c 500 http://localhost/ No issue with apache2-mpm-worked. -- System Information: Debian Release: 5.0 APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 2.6.27.8-em64t (SMP w/4 CPU cores) Locale: lang=fr...@euro, lc_ctype=fr...@euro (charmap=ISO-8859-15) Shell: /bin/sh linked to /bin/bash Versions of packages apache2-mpm-prefork depends on: ii apache2.2-common 2.2.9-10+lenny1 Apache HTTP Server common files ii libapr1 1.2.12-5The Apache Portable Runtime Librar ii libaprutil1 1.2.12+dfsg-8 The Apache Portable Runtime Utilit ii libc62.7-16 GNU C Library: Shared libraries ii libpcre3 7.6-2.1 Perl 5 Compatible Regular Expressi apache2-mpm-prefork recommends no packages. apache2-mpm-prefork suggests no packages. -- To UNSUBSCRIBE, email to debian-bugs-dist-requ...@lists.debian.org with a subject of unsubscribe. Trouble? Contact listmas...@lists.debian.org
Bug#503173: grub-common: Segmentation fault in grub-probe when using grsecurity
Package: grub-common Version: 1.96+20080724-10 Severity: normal When using grub-probe on a custom 2.6.26.5-em64t-grsec kernel it creates a segmentation fault : Oct 20 11:39:14 foo kernel: PAX: terminating task: /usr/sbin/grub-probe(grub-probe):14498, uid/euid: 0/0, PC: 7fffdf18, SP: 7fffdec8 Oct 20 11:39:14 foo kernel: grsec: From 88.177.xxx.xxx: denied resource overstep by requesting 4096 for RLIMIT_CORE against limit 0 for /usr/sbin/grub-probe[grub-probe:14498] uid/euid:0/0 gid/egid:0/0, parent /bin/bash[bash:14245] uid/euid:0/0 gid/egid:0/0 The solution was to use chpax on /usr/sbin/grub-probe and put the following flags : [ chpax 0.7 : Current flags for /usr/sbin/grub-probe (pemrxs) ] * Paging based PAGE_EXEC : disabled * Trampolines : not emulated * mprotect() : not restricted * mmap() base : not randomized * ET_EXEC base : not randomized * Segmentation based PAGE_EXEC : disabled -- System Information: Debian Release: lenny/sid APT prefers testing APT policy: (500, 'testing') Architecture: amd64 (x86_64) Kernel: Linux 2.6.27-em64t (SMP w/2 CPU cores) Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15) Shell: /bin/sh linked to /bin/bash Versions of packages grub-common depends on: ii base-files4.0.5 Debian base system miscellaneous f ii libc6 2.7-14 GNU C Library: Shared libraries grub-common recommends no packages. Versions of packages grub-common suggests: pn multiboot-doc none (no description available) -- no debconf information -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of unsubscribe. Trouble? Contact [EMAIL PROTECTED]
