Hello,
kernel test robot noticed "Kernel_panic-not_syncing:security_add_hooks_Too_many_LSMs_registered" on:
commit: 17e790c80fd532e2f5381ab9bc30a911229ec560 ("[PATCH v11 02/11] LSM: Maintain a table of LSM attribute data")
url: https://github.com/intel-lab-lkp/linux/commits/Casey-Schaufler/LSM-Identify-modules-by-more-than-name/20230617-005918
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git 228020b490eda9133c9cb6f59a5ee1278d8c463f
patch link: https://lore.kernel.org/all/20230616165055.4705-3-casey@schaufler-ca.com/ (local)
patch subject: [PATCH v11 02/11] LSM: Maintain a table of LSM attribute data
in testcase: boot
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot [off-list ref]
| Closes: https://lore.kernel.org/oe-lkp/202306262112.c14a7466-oliver.sang@intel.com (local)
[ 3.070161][ T0] LSM: initializing lsm=lockdown,capability,landlock
[ 3.072793][ T0] Kernel panic - not syncing: security_add_hooks Too many LSMs registered.
[ 3.074648][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 6.4.0-rc1-00008-g17e790c80fd5 #1
[ 3.076714][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 3.076714][ T0] Call Trace:
[ 3.076714][ T0] dump_stack_lvl+0x50/0x65
[ 3.076714][ T0] dump_stack+0xd/0x12
[ 3.076714][ T0] panic+0xe3/0x238
[ 3.076714][ T0] security_add_hooks+0xe1/0xef
[ 3.076714][ T0] landlock_add_ptrace_hooks+0x1c/0x24
[ 3.076714][ T0] landlock_init+0x12/0x2c
[ 3.076714][ T0] initialize_lsm+0x31/0x50
[ 3.076714][ T0] ordered_lsm_init+0x296/0x2b3
[ 3.076714][ T0] security_init+0xbf/0xca
[ 3.076714][ T0] start_kernel+0x2ed/0x329
[ 3.076714][ T0] i386_start_kernel+0x47/0x47
[ 3.076714][ T0] startup_32_smp+0x151/0x154
To reproduce:
# build kernel
cd linux
cp config-6.4.0-rc1-00008-g17e790c80fd5 .config
make HOSTCC=gcc-12 CC=gcc-12 ARCH=i386 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-12 CC=gcc-12 ARCH=i386 INSTALL_MOD_PATH=<mod-install-dir> modules_install
cd <mod-install-dir>
find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki