* [rppt:execmem/x86-rox/v8] [modules] dabed34199: BUG:unable_to_handle_page_fault_for_address
@ 2024-12-30 6:28 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2024-12-30 6:28 UTC (permalink / raw)
To: Mike Rapoport; +Cc: oe-lkp, lkp, Mike Rapoport, oliver.sang
Hello,
kernel test robot noticed "BUG:unable_to_handle_page_fault_for_address" on:
commit: dabed3419932a68921de5972b24f6a6b7dfd4866 ("modules: switch to execmem API for remapping as RW and restoring ROX")
https://git.kernel.org/cgit/linux/kernel/git/rppt/linux.git execmem/x86-rox/v8
in testcase: boot
config: x86_64-randconfig-161-20241227
compiler: gcc-12
test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G
(please refer to attached dmesg/kmsg for entire log/backtrace)
+------------------------------------------------+------------+------------+
| | 6a7a9e5b90 | dabed34199 |
+------------------------------------------------+------------+------------+
| boot_successes | 30 | 9 |
| boot_failures | 0 | 21 |
| BUG:unable_to_handle_page_fault_for_address | 0 | 20 |
| Oops | 0 | 20 |
| RIP:_sub_I_65535_1[fb] | 0 | 4 |
| Kernel_panic-not_syncing:Fatal_exception | 0 | 20 |
| RIP:_sub_I_65535_1[qemu_fw_cfg] | 0 | 2 |
| RIP:_sub_I_65535_1[psmouse] | 0 | 2 |
| RIP:_sub_I_65535_1[rapl] | 0 | 2 |
| RIP:_sub_I_65535_1[pcspkr] | 0 | 2 |
| RIP:_sub_I_65535_1[sha512_ssse3] | 0 | 1 |
| RIP:_sub_I_65535_1[sha1_ssse3] | 0 | 1 |
| RIP:_sub_I_65535_1[drm_kms_helper] | 0 | 1 |
| RIP:_sub_I_65535_1[fuse] | 0 | 1 |
| IP-Config:Auto-configuration_of_network_failed | 0 | 1 |
| RIP:_sub_I_65535_1[fb_sys_fops] | 0 | 2 |
| RIP:_sub_I_65535_1[input_leds] | 0 | 1 |
| RIP:_sub_I_65535_1[intel_gtt] | 0 | 1 |
+------------------------------------------------+------------+------------+
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 <oliver.sang@intel.com>
| Closes: https://lore.kernel.org/oe-lkp/202412301440.1888e8e1-lkp@intel.com
[ 111.221665][ T123] BUG: unable to handle page fault for address: ffffffffa014d4c8
[ 111.222351][ T123] #PF: supervisor instruction fetch in kernel mode
[ 111.222908][ T123] #PF: error_code(0x0011) - permissions violation
[ 111.223470][ T123] PGD 40c3067 P4D 40c3067 PUD 40c4063 PMD 122325063 PTE 800000015194d163
[ 111.224267][ T123] Oops: Oops: 0011 [#1] PREEMPT KASAN
[ 111.224747][ T123] CPU: 0 UID: 0 PID: 123 Comm: systemd-udevd Tainted: G T 6.13.0-rc3-00006-gdabed3419932 #1 be760d6cffe1d430d3b268a66fea25ceb7b58953
[ 111.226009][ T123] Tainted: [T]=RANDSTRUCT
[ 111.226427][ T123] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
[ 111.227340][ T123] RIP: 0010:_sub_I_65535_1 (scripts/module-common.c:19) fb_sys_fops
[ 111.227905][ T123] Code: 5d 00 48 85 db 48 89 d8 75 03 49 63 c4 5a 5b 5d 41 5c 41 5d 41 5e 41 5f c3 be 07 00 00 00 48 c7 c7 60 40 40 a0 e9 6b 16 37 e1 <be> 07 00 00 00 48 c7 c7 60 40 40 a0 e9 79 16 37 e1 00 00 00 00 00
All code
========
0: 5d pop %rbp
1: 00 48 85 add %cl,-0x7b(%rax)
4: db 48 89 fisttpl -0x77(%rax)
7: d8 75 03 fdivs 0x3(%rbp)
a: 49 63 c4 movslq %r12d,%rax
d: 5a pop %rdx
e: 5b pop %rbx
f: 5d pop %rbp
10: 41 5c pop %r12
12: 41 5d pop %r13
14: 41 5e pop %r14
16: 41 5f pop %r15
18: c3 ret
19: be 07 00 00 00 mov $0x7,%esi
1e: 48 c7 c7 60 40 40 a0 mov $0xffffffffa0404060,%rdi
25: e9 6b 16 37 e1 jmp 0xffffffffe1371695
2a:* be 07 00 00 00 mov $0x7,%esi <-- trapping instruction
2f: 48 c7 c7 60 40 40 a0 mov $0xffffffffa0404060,%rdi
36: e9 79 16 37 e1 jmp 0xffffffffe13716b4
3b: 00 00 add %al,(%rax)
3d: 00 00 add %al,(%rax)
...
Code starting with the faulting instruction
===========================================
0: be 07 00 00 00 mov $0x7,%esi
5: 48 c7 c7 60 40 40 a0 mov $0xffffffffa0404060,%rdi
c: e9 79 16 37 e1 jmp 0xffffffffe137168a
11: 00 00 add %al,(%rax)
13: 00 00 add %al,(%rax)
...
[ 111.229483][ T123] RSP: 0018:ffffc9000131fa28 EFLAGS: 00210202
[ 111.230009][ T123] RAX: ffffffffa0408000 RBX: ffffffffa0404240 RCX: 0000000000000001
[ 111.230724][ T123] RDX: 1ffffffff4081000 RSI: 00000000033000aa RDI: ffff8881000f5798
[ 111.231510][ T123] RBP: ffff8881000f5780 R08: 0000000000000000 R09: ffff8883adbc41c0
[ 111.232688][ T123] R10: ffffc9000131f7d8 R11: 0000000044cfc41c R12: 0000000000004000
[ 111.233871][ T123] R13: 0000000000001000 R14: 0000000000000001 R15: dffffc0000000000
[ 111.235059][ T123] FS: 0000000000000000(0000) GS:ffffffff840f3000(0063) knlGS:00000000f794fb00
[ 111.236330][ T123] CS: 0010 DS: 002b ES: 002b CR0: 0000000080050033
[ 111.237286][ T123] CR2: ffffffffa014d4c8 CR3: 0000000157dad000 CR4: 00000000000406f0
[ 111.238490][ T123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 111.239688][ T123] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 111.240875][ T123] Call Trace:
[ 111.241467][ T123] <TASK>
[ 111.241996][ T123] ? __die_body (arch/x86/kernel/dumpstack.c:421)
[ 111.242696][ T123] ? _sub_D_65535_0 (drivers/video/fbdev/core/fb_sys_fops.c:18) fb_sys_fops
[ 111.244067][ T123] ? page_fault_oops (arch/x86/mm/fault.c:710)
[ 111.244870][ T123] ? show_fault_oops (arch/x86/mm/fault.c:643)
[ 111.245708][ T123] ? preempt_count_sub (arch/x86/include/asm/preempt.h:84 kernel/sched/core.c:5886)
[ 111.246492][ T123] ? fixup_exception (arch/x86/mm/extable.c:321)
[ 111.247267][ T123] ? _sub_D_65535_0 (drivers/video/fbdev/core/fb_sys_fops.c:18) fb_sys_fops
[ 111.248716][ T123] ? _sub_D_65535_0 (drivers/video/fbdev/core/fb_sys_fops.c:18) fb_sys_fops
[ 111.250147][ T123] ? exc_page_fault (arch/x86/mm/fault.c:1479 arch/x86/mm/fault.c:1539)
[ 111.250915][ T123] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:623)
[ 111.251767][ T123] ? _sub_D_65535_0 (drivers/video/fbdev/core/fb_sys_fops.c:18) fb_sys_fops
[ 111.253215][ T123] do_init_module (kernel/module/main.c:2788 kernel/module/main.c:2862)
[ 111.254038][ T123] init_module_from_file (kernel/module/main.c:3519)
[ 111.254912][ T123] ? __ia32_sys_init_module (kernel/module/main.c:3495)
[ 111.255784][ T123] ? idempotent_init_module (kernel/module/main.c:3530)
[ 111.256700][ T123] ? __lock_release+0x10e/0x386
[ 111.257622][ T123] ? tracer_preempt_on (kernel/trace/trace_irqsoff.c:661)
[ 111.258504][ T123] idempotent_init_module (kernel/module/main.c:3531)
[ 111.259420][ T123] ? init_module_from_file (kernel/module/main.c:3523)
[ 111.260296][ T123] __do_sys_finit_module (include/linux/file.h:62 include/linux/file.h:83 kernel/module/main.c:3554)
[ 111.261141][ T123] __do_fast_syscall_32 (arch/x86/entry/common.c:165 arch/x86/entry/common.c:386)
[ 111.261992][ T123] do_fast_syscall_32 (arch/x86/entry/common.c:411)
[ 111.262816][ T123] entry_SYSENTER_compat_after_hwframe (arch/x86/entry/entry_64_compat.S:127)
[ 111.263888][ T123] RIP: 0023:0xf7fb6579
[ 111.264657][ T123] Code: b8 01 10 06 03 74 b4 01 10 07 03 74 b0 01 10 08 03 74 d8 01 00 00 00 00 00 00 00 00 00 00 00 00 00 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 8d b4 26 00 00 00 00 8d b4 26 00 00 00 00
All code
========
0: b8 01 10 06 03 mov $0x3061001,%eax
5: 74 b4 je 0xffffffffffffffbb
7: 01 10 add %edx,(%rax)
9: 07 (bad)
a: 03 74 b0 01 add 0x1(%rax,%rsi,4),%esi
e: 10 08 adc %cl,(%rax)
10: 03 74 d8 01 add 0x1(%rax,%rbx,8),%esi
...
20: 00 51 52 add %dl,0x52(%rcx)
23: 55 push %rbp
24:* 89 e5 mov %esp,%ebp <-- trapping instruction
26: 0f 34 sysenter
28: cd 80 int $0x80
2a: 5d pop %rbp
2b: 5a pop %rdx
2c: 59 pop %rcx
2d: c3 ret
2e: 90 nop
2f: 90 nop
30: 90 nop
31: 90 nop
32: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
39: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
Code starting with the faulting instruction
===========================================
0: 5d pop %rbp
1: 5a pop %rdx
2: 59 pop %rcx
3: c3 ret
4: 90 nop
5: 90 nop
6: 90 nop
7: 90 nop
8: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
f: 8d b4 26 00 00 00 00 lea 0x0(%rsi,%riz,1),%esi
The kernel config and materials to reproduce are available at:
https://download.01.org/0day-ci/archive/20241230/202412301440.1888e8e1-lkp@intel.com
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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2024-12-30 6:28 [rppt:execmem/x86-rox/v8] [modules] dabed34199: BUG:unable_to_handle_page_fault_for_address kernel test robot
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