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
| ||
|
Date: Sun, 17 May 2020 09:17:32 +0800 From: kernel test robot <rong.a.chen@...el.com> To: "Paul E. McKenney" <paulmck@...nel.org> Cc: LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org Subject: [rcu] 2f08469563: BUG:kernel_reboot-without-warning_in_boot_stage Greeting, FYI, we noticed the following commit (built with clang-11): commit: 2f08469563550d15cb08a60898d3549720600eee ("rcu: Mark rcu_state.ncpus to detect concurrent writes") https://git.kernel.org/cgit/linux/kernel/git/paulmck/linux-rcu.git dev.2020.05.14c in testcase: boot on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace): If you fix the issue, kindly add following tag Reported-by: kernel test robot <rong.a.chen@...el.com> [ 0.054943] BRK [0x05204000, 0x05204fff] PGTABLE [ 0.061181] BRK [0x05205000, 0x05205fff] PGTABLE [ 0.062403] BRK [0x05206000, 0x05206fff] PGTABLE [ 0.065200] RAMDISK: [mem 0x7a247000-0x7fffffff] [ 0.067344] ACPI: Early table checksum verification disabled BUG: kernel reboot-without-warning in boot stage Elapsed time: 60 qemu-img create -f qcow2 disk-vm-snb-16-0 256G qemu-img create -f qcow2 disk-vm-snb-16-1 256G To reproduce: # build kernel cd linux cp config-5.7.0-rc2-00003-g2f08469563550 .config make HOSTCC=clang-11 CC=clang-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage git clone https://github.com/intel/lkp-tests.git cd lkp-tests bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email Thanks, Rong Chen View attachment "config-5.7.0-rc2-00003-g2f08469563550" of type "text/plain" (131177 bytes) View attachment "job-script" of type "text/plain" (4878 bytes) Download attachment "dmesg.xz" of type "application/x-xz" (2392 bytes)
Powered by blists - more mailing lists