Re: kernel BUG at page_alloc.c

From: Marcin Rożek (marcin.rozek_at_ios.edu.pl)
Date: 09/15/04

  • Next message: Alan Cox: "Re: [PATCH] DRM: add missing pci_enable_device()"
    Date:	Wed, 15 Sep 2004 15:33:57 +0200
    To: linux-kernel@vger.kernel.org
    
    

    Marcelo Tosatti wrote:
    > Its the third or fourth report like this I see, all of them with the
    > grsecurity patch applied.
    >
    > Have you tried a stock 2.4.27?
    No.
    Is that bug serious? Should i move to clean 2.4.27?

    Strange is that previously i've been running (for quite long time) Mandrake 9.1
    on the same machine with 2.4.27-grsec (but with enabled
    CONFIG_GRKERNSEC_PAX_MPROTECT) and i don't remember seeing such BUG...

    Here're my grsecurity settings:

    CONFIG_GRKERNSEC=y
    CONFIG_CRYPTO=y
    CONFIG_CRYPTO_SHA256=y
    # CONFIG_GRKERNSEC_LOW is not set
    # CONFIG_GRKERNSEC_MID is not set
    # CONFIG_GRKERNSEC_HI is not set
    CONFIG_GRKERNSEC_CUSTOM=y
    CONFIG_GRKERNSEC_PAX_EI_PAX=y
    CONFIG_GRKERNSEC_PAX_PT_PAX_FLAGS=y
    CONFIG_GRKERNSEC_PAX_NO_ACL_FLAGS=y
    # CONFIG_GRKERNSEC_PAX_HAVE_ACL_FLAGS is not set
    # CONFIG_GRKERNSEC_PAX_HOOK_ACL_FLAGS is not set
    CONFIG_GRKERNSEC_PAX_NOEXEC=y
    # CONFIG_GRKERNSEC_PAX_PAGEEXEC is not set
    CONFIG_GRKERNSEC_PAX_SEGMEXEC=y
    # CONFIG_GRKERNSEC_PAX_EMUTRAMP is not set
    # CONFIG_GRKERNSEC_PAX_MPROTECT is not set
    CONFIG_GRKERNSEC_PAX_ASLR=y
    # CONFIG_GRKERNSEC_PAX_RANDKSTACK is not set
    CONFIG_GRKERNSEC_PAX_RANDUSTACK=y
    CONFIG_GRKERNSEC_PAX_RANDMMAP=y
    # CONFIG_GRKERNSEC_KMEM is not set
    # CONFIG_GRKERNSEC_IO is not set
    CONFIG_GRKERNSEC_PROC_MEMMAP=y
    CONFIG_GRKERNSEC_BRUTE=y
    CONFIG_GRKERNSEC_HIDESYM=y
    CONFIG_GRKERNSEC_ACL_HIDEKERN=y
    CONFIG_GRKERNSEC_ACL_MAXTRIES=3
    CONFIG_GRKERNSEC_ACL_TIMEOUT=30
    CONFIG_GRKERNSEC_PROC=y
    CONFIG_GRKERNSEC_PROC_USER=y
    CONFIG_GRKERNSEC_PROC_ADD=y
    CONFIG_GRKERNSEC_LINK=y
    CONFIG_GRKERNSEC_FIFO=y
    CONFIG_GRKERNSEC_CHROOT=y
    CONFIG_GRKERNSEC_CHROOT_MOUNT=y
    CONFIG_GRKERNSEC_CHROOT_DOUBLE=y
    CONFIG_GRKERNSEC_CHROOT_PIVOT=y
    CONFIG_GRKERNSEC_CHROOT_CHDIR=y
    CONFIG_GRKERNSEC_CHROOT_CHMOD=y
    CONFIG_GRKERNSEC_CHROOT_FCHDIR=y
    CONFIG_GRKERNSEC_CHROOT_MKNOD=y
    # CONFIG_GRKERNSEC_CHROOT_SHMAT is not set
    CONFIG_GRKERNSEC_CHROOT_UNIX=y
    # CONFIG_GRKERNSEC_CHROOT_FINDTASK is not set
    # CONFIG_GRKERNSEC_CHROOT_NICE is not set
    CONFIG_GRKERNSEC_CHROOT_SYSCTL=y
    # CONFIG_GRKERNSEC_CHROOT_CAPS is not set
    # CONFIG_GRKERNSEC_AUDIT_GROUP is not set
    # CONFIG_GRKERNSEC_EXECLOG is not set
    # CONFIG_GRKERNSEC_RESLOG is not set
    # CONFIG_GRKERNSEC_CHROOT_EXECLOG is not set
    # CONFIG_GRKERNSEC_AUDIT_CHDIR is not set
    # CONFIG_GRKERNSEC_AUDIT_MOUNT is not set
    # CONFIG_GRKERNSEC_AUDIT_IPC is not set
    CONFIG_GRKERNSEC_SIGNAL=y
    CONFIG_GRKERNSEC_FORKFAIL=y
    CONFIG_GRKERNSEC_TIME=y
    # CONFIG_GRKERNSEC_PROC_IPADDR is not set
    CONFIG_GRKERNSEC_EXECVE=y
    CONFIG_GRKERNSEC_DMESG=y
    CONFIG_GRKERNSEC_RANDPID=y
    # CONFIG_GRKERNSEC_TPE is not set
    CONFIG_GRKERNSEC_RANDNET=y
    CONFIG_GRKERNSEC_RANDISN=y
    CONFIG_GRKERNSEC_RANDID=y
    CONFIG_GRKERNSEC_RANDSRC=y
    CONFIG_GRKERNSEC_RANDRPC=y
    # CONFIG_GRKERNSEC_SOCKET is not set
    # CONFIG_GRKERNSEC_SYSCTL is not set
    CONFIG_GRKERNSEC_FLOODTIME=10
    CONFIG_GRKERNSEC_FLOODBURST=4

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  • Next message: Alan Cox: "Re: [PATCH] DRM: add missing pci_enable_device()"

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