Greeting,
FYI, we noticed the following commit (built with gcc-11):
commit: f6a6cf9d13a07e206344e34cb93287d9f591c1b8 ("mm: kfence: apply kmemleak_ignore_phys on early allocated pool")
https://git.kernel.org/cgit/linux/kernel/git/next/linux-next.git master
in testcase: boot
on test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+------------------------------------------+------------+------------+
| | b3b3f17d77 | f6a6cf9d13 |
+------------------------------------------+------------+------------+
| boot_successes | 41 | 0 |
| boot_failures | 0 | 42 |
| kernel_BUG_at_arch/x86/mm/physaddr.c | 0 | 42 |
| invalid_opcode:#[##] | 0 | 42 |
| EIP:__phys_addr | 0 | 42 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 42 |
+------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <[email protected]>
[ 0.765968][ T0] ------------[ cut here ]------------
[ 0.767523][ T0] kernel BUG at arch/x86/mm/physaddr.c:81!
[ 0.767906][ T0] invalid opcode: 0000 [#1] PTI
[ 0.768222][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 5.19.0-rc4-00011-gf6a6cf9d13a0 #1 c2c430b6d392e6ba08a478db8a3f2c9b5b234018
[ 0.769028][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014
[ 0.769711][ T0] EIP: __phys_addr+0x60/0x70
[ 0.770010][ T0] Code: 31 f0 09 c2 75 24 89 f0 5b 5e 5d c3 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 e8 9b 2b 18 00 84 c0 74 c4 0f 0b 8d 74 26 00
90 <0f> 0b 8d b6 00 00 00 00 0f 0b cc cc cc cc cc cc 55 89 e5 57 56 89
[ 0.771305][ T0] EAX: fffff000 EBX: e538b000 ECX: 00000000 EDX: ffffffff
[ 0.771776][ T0] ESI: 2538b000 EDI: 02860000 EBP: c216df74 ESP: c216df6c
[ 0.772240][ T0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210086
[ 0.772742][ T0] CR0: 80050033 CR2: ffbff000 CR3: 028ce000 CR4: 000406b0
[ 0.773208][ T0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.773671][ T0] DR6: fffe0ff0 DR7: 00000400
[ 0.773972][ T0] Call Trace:
[ 0.774182][ T0] kfence_init+0x3c/0xc8
[ 0.774458][ T0] start_kernel+0x275/0x3f1
[ 0.774750][ T0] i386_start_kernel+0x42/0x44
[ 0.775059][ T0] startup_32_smp+0x161/0x164
[ 0.775367][ T0] Modules linked in:
[ 0.775619][ T0] ---[ end trace 0000000000000000 ]---
[ 0.775973][ T0] EIP: __phys_addr+0x60/0x70
[ 0.776271][ T0] Code: 31 f0 09 c2 75 24 89 f0 5b 5e 5d c3 8d b6 00 00 00 00 0f 0b 8d b6 00 00 00 00 e8 9b 2b 18 00 84 c0 74 c4 0f 0b 8d 74 26 00 90 <0f> 0b 8d b6 00 00 00 00 0f 0b cc cc cc cc cc cc 55 89 e5 57 56 89
[ 0.777568][ T0] EAX: fffff000 EBX: e538b000 ECX: 00000000 EDX: ffffffff
[ 0.778034][ T0] ESI: 2538b000 EDI: 02860000 EBP: c216df74 ESP: c216df6c
[ 0.778499][ T0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210086
[ 0.779001][ T0] CR0: 80050033 CR2: ffbff000 CR3: 028ce000 CR4: 000406b0
[ 0.779473][ T0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 0.779939][ T0] DR6: fffe0ff0 DR7: 00000400
[ 0.780242][ T0] Kernel panic - not syncing: Fatal exception
To reproduce:
# build kernel
cd linux
cp config-5.19.0-rc4-00011-gf6a6cf9d13a0 .config
make HOSTCC=gcc-11 CC=gcc-11 ARCH=i386 olddefconfig prepare modules_prepare bzImage modules
make HOSTCC=gcc-11 CC=gcc-11 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://01.org/lkp