[rppt:hugetlb-init/v1] [arch, mm] 9cbe197f8d: kernel_BUG_at_arch/x86/mm/init_32.c
kernel test robot <[email protected]>
| Newsgroups | dev.linux.lists.oe-lkp |
|---|---|
| Message-ID | <[email protected]> |
Hello,
kernel test robot noticed "kernel_BUG_at_arch/x86/mm/init_32.c" on:
commit: 9cbe197f8d7866d1bbff91f3031301b726a6aea3 ("arch, mm: consolidate initialization of nodes, zones and memory map")
https://git.kernel.org/cgit/linux/kernel/git/rppt/linux.git hugetlb-init/v1
in testcase: boot
config: i386-randconfig-002-20251228
compiler: clang-20
test machine: qemu-system-i386 -enable-kvm -cpu SandyBridge -smp 2 -m 4G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+------------------------------------------+------------+------------+
| | bfe5bb4f40 | 9cbe197f8d |
+------------------------------------------+------------+------------+
| boot_successes | 12 | 0 |
| boot_failures | 0 | 12 |
| kernel_BUG_at_arch/x86/mm/init_32.c | 0 | 12 |
| Oops:invalid_opcode:#[##]SMP | 0 | 12 |
| EIP:arch_mm_preinit | 0 | 12 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 12 |
+------------------------------------------+------------+------------+
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]
[ 0.172502][ T0] ------------[ cut here ]------------
[ 0.172850][ T0] kernel BUG at arch/x86/mm/init_32.c:689!
[ 0.173223][ T0] Oops: invalid opcode: 0000 [#1] SMP
[ 0.173566][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Tainted: G T 6.19.0-rc1-00022-g9cbe197f8d78 #1 PREEMPT(undef) 298f246f9eeee98b3bf304fd18fc66aa0eb8200e
[ 0.174580][ T0] Tainted: [T]=RANDSTRUCT
[ 0.174852][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 0.175524][ T0] EIP: arch_mm_preinit (arch/x86/mm/init_32.c:689)
[ 0.175840][ T0] Code: e8 bb 92 ed fd 83 c4 08 5d 31 c0 31 c9 31 d2 c3 e8 bb 36 f5 fd 55 89 e5 e8 83 b9 fe ff 83 3d c0 b3 94 83 00 74 04 5d 31 c0 c3 <0f> 0b b8 d8 ca b0 82 e8 3a 1b ee fd 90 90 90 90 90 90 90 90 90 90
All code
========
0: e8 bb 92 ed fd call 0xfffffffffded92c0
5: 83 c4 08 add $0x8,%esp
8: 5d pop %rbp
9: 31 c0 xor %eax,%eax
b: 31 c9 xor %ecx,%ecx
d: 31 d2 xor %edx,%edx
f: c3 ret
10: e8 bb 36 f5 fd call 0xfffffffffdf536d0
15: 55 push %rbp
16: 89 e5 mov %esp,%ebp
18: e8 83 b9 fe ff call 0xfffffffffffeb9a0
1d: 83 3d c0 b3 94 83 00 cmpl $0x0,-0x7c6b4c40(%rip) # 0xffffffff8394b3e4
24: 74 04 je 0x2a
26: 5d pop %rbp
27: 31 c0 xor %eax,%eax
29: c3 ret
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 d8 ca b0 82 mov $0x82b0cad8,%eax
31: e8 3a 1b ee fd call 0xfffffffffdee1b70
36: 90 nop
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 d8 ca b0 82 mov $0x82b0cad8,%eax
7: e8 3a 1b ee fd call 0xfffffffffdee1b46
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
[ 0.177153][ T0] EAX: 00000000 EBX: ffffffff ECX: 00000000 EDX: 00000000
[ 0.177604][ T0] ESI: 00000000 EDI: 00000000 EBP: 82ae1f74 ESP: 82ae1f74
[ 0.178055][ T0] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00210046
[ 0.178538][ T0] CR0: 80050033 CR2: 00000000 CR3: 03251000 CR4: 00000090
[ 0.178989][ T0] Call Trace:
[ 0.179196][ T0] mm_core_init (mm/mm_init.c:2702)
[ 0.179465][ T0] start_kernel (init/main.c:1068)
[ 0.179752][ T0] i386_start_kernel (arch/x86/kernel/head32.c:79)
[ 0.180060][ T0] startup_32_smp (arch/x86/kernel/head_32.S:293)
[ 0.180360][ T0] Modules linked in:
[ 0.180605][ T0] ---[ end trace 0000000000000000 ]---
[ 0.180948][ T0] EIP: arch_mm_preinit (arch/x86/mm/init_32.c:689)
[ 0.181258][ T0] Code: e8 bb 92 ed fd 83 c4 08 5d 31 c0 31 c9 31 d2 c3 e8 bb 36 f5 fd 55 89 e5 e8 83 b9 fe ff 83 3d c0 b3 94 83 00 74 04 5d 31 c0 c3 <0f> 0b b8 d8 ca b0 82 e8 3a 1b ee fd 90 90 90 90 90 90 90 90 90 90
All code
========
0: e8 bb 92 ed fd call 0xfffffffffded92c0
5: 83 c4 08 add $0x8,%esp
8: 5d pop %rbp
9: 31 c0 xor %eax,%eax
b: 31 c9 xor %ecx,%ecx
d: 31 d2 xor %edx,%edx
f: c3 ret
10: e8 bb 36 f5 fd call 0xfffffffffdf536d0
15: 55 push %rbp
16: 89 e5 mov %esp,%ebp
18: e8 83 b9 fe ff call 0xfffffffffffeb9a0
1d: 83 3d c0 b3 94 83 00 cmpl $0x0,-0x7c6b4c40(%rip) # 0xffffffff8394b3e4
24: 74 04 je 0x2a
26: 5d pop %rbp
27: 31 c0 xor %eax,%eax
29: c3 ret
2a:* 0f 0b ud2 <-- trapping instruction
2c: b8 d8 ca b0 82 mov $0x82b0cad8,%eax
31: e8 3a 1b ee fd call 0xfffffffffdee1b70
36: 90 nop
37: 90 nop
38: 90 nop
39: 90 nop
3a: 90 nop
3b: 90 nop
3c: 90 nop
3d: 90 nop
3e: 90 nop
3f: 90 nop
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: b8 d8 ca b0 82 mov $0x82b0cad8,%eax
7: e8 3a 1b ee fd call 0xfffffffffdee1b46
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 90 nop
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20251229/[email protected]
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki