Hello,
kernel test robot noticed "segfault_at_ip_sp_error" on:
commit: 19009b8428dfbeea0ecf043c063cf3336282eb2b ("[PATCH 3/6]
x86/entry/vdso32: remove int80_landing_pad")
url:
https://github.com/intel-lab-lkp/linux/commits/H-Peter-Anvin/x86-entry-vdso-rename-vdso_image_-to-vdso-_image/20251027-061505
base: https://git.kernel.org/cgit/linux/kernel/git/tip/tip.git
ad74016b919cbad78d203fa1c459ae18e73ce586
patch link: https://lore.kernel.org/all/[email protected]/
patch subject: [PATCH 3/6] x86/entry/vdso32: remove int80_landing_pad
in testcase: boot
config: i386-randconfig-002-20251027
compiler: gcc-14
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+-----------------------------------------------------------+------------+------------+
| | 28c61beafa |
19009b8428 |
+-----------------------------------------------------------+------------+------------+
| boot_successes | 6 | 0
|
| boot_failures | 0 | 6
|
| segfault_at_ip_sp_error | 0 | 6
|
| Kernel_panic-not_syncing:Attempted_to_kill_init!exitcode= | 0 | 6
|
+-----------------------------------------------------------+------------+------------+
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 <[email protected]>
| Closes: https://lore.kernel.org/oe-lkp/[email protected]
[ 12.230099][ T1] selinux=0
[ 12.230498][ T1] prompt_ramdisk=0
[ 12.230942][ T1] vga=normal
[ 12.231367][ T1] audit=0
[ 12.231748][ T1] ia32_emulation=on
[ 12.246128][ T1] init[1]: segfault at 1 ip 37fad006 sp 3fb8051f error 6
likely on CPU 0 (core 0, socket 0)
[ 12.247169][ T1] Code: Unable to access opcode bytes at 0x37facfdc.
Code starting with the faulting instruction
===========================================
[ 12.247782][ T1] Kernel panic - not syncing: Attempted to kill init!
exitcode=0x0000000b
[ 12.248459][ T1] CPU: 0 UID: 0 PID: 1 Comm: init Not tainted
6.18.0-rc1-00004-g19009b8428df #1 PREEMPT(lazy)
515832f7b4d7c2dccd9418532bf066894e2da3fd
[ 12.249461][ T1] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996),
BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 12.250250][ T1] Call Trace:
[ 12.250556][ T1] ? dump_stack_lvl
(kbuild/src/consumer/lib/dump_stack.c:122)
[ 12.250943][ T1] ? dump_stack (kbuild/src/consumer/lib/dump_stack.c:130)
[ 12.251324][ T1] ? vpanic (kbuild/src/consumer/kernel/panic.c:404
kbuild/src/consumer/kernel/panic.c:511)
[ 12.251677][ T1] ? panic (kbuild/src/consumer/kernel/panic.c:365)
[ 12.252001][ T1] ? do_exit.cold (kbuild/src/consumer/kernel/exit.c:1027)
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251028/[email protected]
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki