(please be noted we reported
"[mm] f6a6cf9d13: kernel_BUG_at_arch/x86/mm/physaddr.c"
on
https://lore.kernel.org/all/YsFeUHkrFTQ7T51Q@xsang-OptiPlex-9020/
now we noticed this issue still exist on mainline. FYI)
Greeting,
FYI, we noticed the following commit (built with gcc-11):
commit: 07313a2b29ed1079eaa7722624544b97b3ead84b ("mm: kfence: apply kmemleak_ignore_phys on early allocated pool")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master
in testcase: boot
on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):
+------------------------------------------+------------+------------+
| | 14c99d6594 | 07313a2b29 |
+------------------------------------------+------------+------------+
| boot_successes | 34 | 0 |
| boot_failures | 0 | 31 |
| kernel_BUG_at_arch/x86/mm/physaddr.c | 0 | 31 |
| invalid_opcode:#[##] | 0 | 31 |
| EIP:__phys_addr | 0 | 31 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 31 |
+------------------------------------------+------------+------------+
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <[email protected]>
[ 2.602721][ T0] ------------[ cut here ]------------
[ 2.603075][ T0] kernel BUG at arch/x86/mm/physaddr.c:81!
[ 2.603455][ T0] invalid opcode: 0000 [#1]
[ 2.603750][ T0] CPU: 0 PID: 0 Comm: swapper Not tainted 5.19.0-rc4-00010-g07313a2b29ed #1
[ 2.604311][ T0] EIP: __phys_addr+0xe7/0x10d
[ 2.604627][ T0] Code: 00 e8 1f 66 00 00 83 05 d0 98 73 43 01 83 15 d4 98 73 43 00 85 d2 75 04 39 f0 74 2c 83 05 d8 98 73 43 01 83 15 dc 98 73 43
00 <0f> 0b 83 05 e0 98 73 43 01 83 15 e4 98 73 43 00 83 05 b0 98 73 43
[ 2.605912][ T0] EAX: 5c10e000 EBX: e3ef1000 ECX: 00000000 EDX: 00000fff
[ 2.606375][ T0] ESI: a3ef1000 EDI: 036b0000 EBP: 42ce1f74 ESP: 42ce1f6c
[ 2.606833][ T0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210046
[ 2.607329][ T0] CR0: 80050033 CR2: ffbff000 CR3: 036f4000 CR4: 000406b0
[ 2.607788][ T0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 2.608246][ T0] DR6: fffe0ff0 DR7: 00000400
[ 2.608544][ T0] Call Trace:
[ 2.608758][ T0] ? kfence_init_pool_early+0x55/0x13e
[ 2.609110][ T0] ? kfence_init+0x42/0xa1
[ 2.609395][ T0] ? start_kernel+0x5de/0xa06
[ 2.609698][ T0] ? i386_start_kernel+0xf8/0x10a
[ 2.610021][ T0] ? startup_32_smp+0x15c/0x160
[ 2.610335][ T0] Modules linked in:
[ 2.610584][ T0] ---[ end trace 0000000000000000 ]---
[ 2.610935][ T0] EIP: __phys_addr+0xe7/0x10d
[ 2.611233][ T0] Code: 00 e8 1f 66 00 00 83 05 d0 98 73 43 01 83 15 d4 98 73 43 00 85 d2 75 04 39 f0 74 2c 83 05 d8 98 73 43 01 83 15 dc 98 73 43 00 <0f> 0b 83 05 e0 98 73 43 01 83 15 e4 98 73 43 00 83 05 b0 98 73 43
[ 2.612524][ T0] EAX: 5c10e000 EBX: e3ef1000 ECX: 00000000 EDX: 00000fff
[ 2.612993][ T0] ESI: a3ef1000 EDI: 036b0000 EBP: 42ce1f74 ESP: 42ce1f6c
[ 2.613468][ T0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210046
[ 2.613971][ T0] CR0: 80050033 CR2: ffbff000 CR3: 036f4000 CR4: 000406b0
[ 2.614440][ T0] DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
[ 2.614908][ T0] DR6: fffe0ff0 DR7: 00000400
[ 2.615218][ T0] Kernel panic - not syncing: Fatal exception
To reproduce:
# build kernel
cd linux
cp config-5.19.0-rc4-00010-g07313a2b29ed .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