[rppt:hugetlb-init/v1] [arch, mm] 71bdff70aa: BUG:unable_to_handle_page_fault_for_address
kernel test robot <[email protected]>
| Newsgroups | dev.linux.lists.oe-lkp |
|---|---|
| Message-ID | <[email protected]> |
Hello,
kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on:
commit: 71bdff70aabe05963fdcee89dabb5da2405e8dc1 ("arch, mm: consolidate initialization of SPARSE memory model")
https://git.kernel.org/cgit/linux/kernel/git/rppt/linux.git hugetlb-init/v1
in testcase: boot
config: i386-randconfig-013-20251228
compiler: gcc-13
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 32G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+---------------------------------------------+------------+------------+
| | 9cbe197f8d | 71bdff70aa |
+---------------------------------------------+------------+------------+
| boot_successes | 15 | 0 |
| boot_failures | 0 | 15 |
| BUG:unable_to_handle_page_fault_for_address | 0 | 15 |
| Oops:Oops:#[##] | 0 | 15 |
| EIP:per_cpu_ptr_to_phys | 0 | 15 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 15 |
+---------------------------------------------+------------+------------+
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]
[ 0.131305][ T0] BUG: unable to handle page fault for address: 00073900
[ 0.132172][ T0] #PF: supervisor read access in kernel mode
[ 0.132906][ T0] #PF: error_code(0x0000) - not-present page
[ 0.133694][ T0] *pde = 00000000
[ 0.134146][ T0] Oops: Oops: 0000 [#1]
[ 0.134687][ T0] CPU: 0 UID: 0 PID: 0 Comm: swapper Not tainted 6.19.0-rc1-00023-g71bdff70aabe #1 VOLUNTARY f85b7dddb6897835d5692b0780b4f86c7192f783
[ 0.136390][ T0] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
[ 0.137703][ T0] EIP: per_cpu_ptr_to_phys (include/linux/mm.h:2022 mm/percpu.c:2381)
[ 0.138406][ T0] Code: c3 c1 e0 0c 01 f0 03 04 b9 39 c3 73 16 8d 04 32 39 c3 72 0f a1 d4 fb 8f c3 01 f0 39 f3 72 04 39 c3 72 2a 89 d8 e8 5c e0 ff ff <8b> 10 81 e3 ff 0f 00 00 c1 ea 1a c1 e2 04 8b 92 40 3a 8f c4 83 e2
All code
========
0: c3 ret
1: c1 e0 0c shl $0xc,%eax
4: 01 f0 add %esi,%eax
6: 03 04 b9 add (%rcx,%rdi,4),%eax
9: 39 c3 cmp %eax,%ebx
b: 73 16 jae 0x23
d: 8d 04 32 lea (%rdx,%rsi,1),%eax
10: 39 c3 cmp %eax,%ebx
12: 72 0f jb 0x23
14: a1 d4 fb 8f c3 01 f0 movabs 0xf339f001c38ffbd4,%eax
1b: 39 f3
1d: 72 04 jb 0x23
1f: 39 c3 cmp %eax,%ebx
21: 72 2a jb 0x4d
23: 89 d8 mov %ebx,%eax
25: e8 5c e0 ff ff call 0xffffffffffffe086
2a:* 8b 10 mov (%rax),%edx <-- trapping instruction
2c: 81 e3 ff 0f 00 00 and $0xfff,%ebx
32: c1 ea 1a shr $0x1a,%edx
35: c1 e2 04 shl $0x4,%edx
38: 8b 92 40 3a 8f c4 mov -0x3b70c5c0(%rdx),%edx
3e: 83 .byte 0x83
3f: e2 .byte 0xe2
Code starting with the faulting instruction
===========================================
0: 8b 10 mov (%rax),%edx
2: 81 e3 ff 0f 00 00 and $0xfff,%ebx
8: c1 ea 1a shr $0x1a,%edx
b: c1 e2 04 shl $0x4,%edx
e: 8b 92 40 3a 8f c4 mov -0x3b70c5c0(%rdx),%edx
14: 83 .byte 0x83
15: e2 .byte 0xe2
[ 0.140826][ T0] EAX: 00073900 EBX: c39c8000 ECX: f19a7080 EDX: 00073900
[ 0.141759][ T0] ESI: f1986000 EDI: 00000000 EBP: c39c1f78 ESP: c39c1f6c
[ 0.142667][ T0] DS: 007b ES: 007b FS: 0000 GS: 0000 SS: 0068 EFLAGS: 00210006
[ 0.143577][ T0] CR0: 80050033 CR2: 00073900 CR3: 041f4000 CR4: 00000090
[ 0.144480][ T0] Call Trace:
[ 0.144899][ T0] setup_cpu_entry_areas (arch/x86/mm/cpu_entry_area.c:192 arch/x86/mm/cpu_entry_area.c:272)
[ 0.145552][ T0] trap_init (arch/x86/kernel/traps.c:1689)
[ 0.146025][ T0] start_kernel (init/main.c:1067)
[ 0.146621][ T0] i386_start_kernel (arch/x86/kernel/head32.c:129)
[ 0.147214][ T0] startup_32_smp (arch/x86/kernel/head_32.S:293)
[ 0.147803][ T0] Modules linked in:
[ 0.148299][ T0] CR2: 0000000000073900
[ 0.148813][ T0] ---[ end trace 0000000000000000 ]---
[ 0.149471][ T0] EIP: per_cpu_ptr_to_phys (include/linux/mm.h:2022 mm/percpu.c:2381)
[ 0.150148][ T0] Code: c3 c1 e0 0c 01 f0 03 04 b9 39 c3 73 16 8d 04 32 39 c3 72 0f a1 d4 fb 8f c3 01 f0 39 f3 72 04 39 c3 72 2a 89 d8 e8 5c e0 ff ff <8b> 10 81 e3 ff 0f 00 00 c1 ea 1a c1 e2 04 8b 92 40 3a 8f c4 83 e2
All code
========
0: c3 ret
1: c1 e0 0c shl $0xc,%eax
4: 01 f0 add %esi,%eax
6: 03 04 b9 add (%rcx,%rdi,4),%eax
9: 39 c3 cmp %eax,%ebx
b: 73 16 jae 0x23
d: 8d 04 32 lea (%rdx,%rsi,1),%eax
10: 39 c3 cmp %eax,%ebx
12: 72 0f jb 0x23
14: a1 d4 fb 8f c3 01 f0 movabs 0xf339f001c38ffbd4,%eax
1b: 39 f3
1d: 72 04 jb 0x23
1f: 39 c3 cmp %eax,%ebx
21: 72 2a jb 0x4d
23: 89 d8 mov %ebx,%eax
25: e8 5c e0 ff ff call 0xffffffffffffe086
2a:* 8b 10 mov (%rax),%edx <-- trapping instruction
2c: 81 e3 ff 0f 00 00 and $0xfff,%ebx
32: c1 ea 1a shr $0x1a,%edx
35: c1 e2 04 shl $0x4,%edx
38: 8b 92 40 3a 8f c4 mov -0x3b70c5c0(%rdx),%edx
3e: 83 .byte 0x83
3f: e2 .byte 0xe2
Code starting with the faulting instruction
===========================================
0: 8b 10 mov (%rax),%edx
2: 81 e3 ff 0f 00 00 and $0xfff,%ebx
8: c1 ea 1a shr $0x1a,%edx
b: c1 e2 04 shl $0x4,%edx
e: 8b 92 40 3a 8f c4 mov -0x3b70c5c0(%rdx),%edx
14: 83 .byte 0x83
15: e2 .byte 0xe2
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