linux-kernel - [lkp] [kallsyms] 06862f34f6: BUG: unable to handle kernel NULL pointer dereference at (null)

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:	Fri, 22 Jan 2016 10:20:25 +0800
From:	kernel test robot <ying.huang@...ux.intel.com>
TO:	Ard Biesheuvel <ard.biesheuvel@...aro.org>
CC:	Heiko Carstens <heiko.carstens@...ibm.com>
Subject: [lkp] [kallsyms] 06862f34f6: BUG: unable to handle kernel NULL
 pointer dereference at           (null)

FYI, we noticed the below changes on

https://git.linaro.org/people/ard.biesheuvel/linux-arm kallsyms-text-relative
commit 06862f34f614bb6ff6a9fc9c4b0d849e2ee2018d ("kallsyms: add support for relative offsets in kallsyms address table")


+-----------------------------------------------------------+------------+------------+
|                                                           | 30f05309bd | 06862f34f6 |
+-----------------------------------------------------------+------------+------------+
| boot_successes                                            | 0          | 0          |
| boot_failures                                             | 6          | 8          |
| Kernel_panic-not_syncing:Attempted_to_kill_init!exitcode= | 4          |            |
| BUG:kernel_test_oversize                                  | 2          |            |
| BUG:unable_to_handle_kernel                               | 0          | 8          |
+-----------------------------------------------------------+------------+------------+



[    0.568228] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[    0.568971] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[    0.569835] CPU: Intel Xeon E312xx (Sandy Bridge) (family: 0x6, model: 0x2a, stepping: 0x1)
[    0.598441] BUG: unable to handle kernel NULL pointer dereference at           (null)
[    0.599646] IP:
[    0.599884] BUG: unable to handle kernel NULL pointer dereference at           (null)
[    0.610184] IP:
Elapsed time: 10
qemu-system-x86_64 -enable-kvm -cpu SandyBridge -kernel /pkg/linux/x86_64-randconfig-s4-01220217/gcc-5/06862f34f614bb6ff6a9fc9c4b0d849e2ee2018d/vmlinuz-4.4.0-10063-g06862f34 -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-kbuild-yocto-x86_64-62/bisect_boot-1-yocto-minimal-x86_64.cgz-x86_64-randconfig-s4-01220217-06862f34f614bb6ff6a9fc9c4b0d849e2ee2018d-20160122-39812-uowsx2-0.yaml ARCH=x86_64 kconfig=x86_64-randconfig-s4-01220217 branch=linux-devel/devel-spot-201601220143 commit=06862f34f614bb6ff6a9fc9c4b0d849e2ee2018d BOOT_IMAGE=/pkg/linux/x86_64-randconfig-s4-01220217/gcc-5/06862f34f614bb6ff6a9fc9c4b0d849e2ee2018d/vmlinuz-4.4.0-10063-g06862f34 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-kbuild-yocto-x86_64/yocto-minimal-x86_64.cgz/x86_64-randconfig-s4-01220217/gcc-5/06862f34f614bb6ff6a9fc9c4b0d849e2ee2018d/0 LKP_SERVER=inn earlyprintk=ttyS0,115200 systemd.log_level=err debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw ip=::::vm-kbuild-yocto-x86_64-62::dhcp drbd.minor_count=8'  -initrd /fs/sdg1/initrd-vm-kbuild-yocto-x86_64-62 -m 320 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -drive file=/fs/sdg1/disk0-vm-kbuild-yocto-x86_64-62,media=disk,if=virtio -pidfile /dev/shm/kboot/pid-vm-kbuild-yocto-x86_64-62 -serial file:/dev/shm/kboot/serial-vm-kbuild-yocto-x86_64-62 -daemonize -display none -monitor null 





Thanks,
Ying Huang

View attachment "config-4.4.0-10063-g06862f34" of type "text/plain" (63648 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (3492 bytes)