Message-ID: <CA+G9fYvVZ9WF-2zfrYeo3xnWNra0QGxLzei+b4yANZwEvr5CYw@mail.gmail.com>
Date:   Wed, 24 May 2023 14:32:20 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     open list <linux-kernel@...r.kernel.org>,
        linux-stable <stable@...r.kernel.org>,
        linux-mm <linux-mm@...ck.org>, LTP List <ltp@...ts.linux.it>,
        lkft-triage@...ts.linaro.org, X86 ML <x86@...nel.org>
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Andy Lutomirski <luto@...nel.org>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Arnd Bergmann <arnd@...db.de>,
        Dan Carpenter <dan.carpenter@...aro.org>,
        Anders Roxell <anders.roxell@...aro.org>
Subject: qemu-x86_64 compat: LTP: controllers: RIP: 0010:__alloc_pages

While running LTP controllers following kernel crash noticed on qemu-x86_64
compat mode with stable-rc 6.3.4-rc2.

Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

 Linux version 6.3.4-rc2 (tuxmake@...make) (x86_64-linux-gnu-gcc
(Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1
SMP PREEMPT_DYNAMIC @1684862676
..
./runltp -f controllers
...
cpuset_inherit 11 TPASS: cpus: Inherited information is right!
cpuset_inherit 13 TPASS: mems: Inherited information is right!
<4>[ 1130.117922] int3: 0000 [#1] PREEMPT SMP PTI
<4>[ 1130.118132] CPU: 0 PID: 32748 Comm: cpuset_inherit_ Not tainted
6.3.4-rc2 #1
<4>[ 1130.118216] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009),
BIOS 1.14.0-2 04/01/2014
<4>[ 1130.118320] RIP: 0010:__alloc_pages+0xeb/0x340
<4>[ 1130.118605] Code: 48 c1 e0 04 48 8d 84 01 00 13 00 00 48 89 45
a8 8b 05 d9 31 cf 01 85 c0 0f 85 05 02 00 00 89 d8 c1 e8 03 83 e0 03
89 45 c0 66 <90> 41 89 df 41 be 01 00 00 00 f6 c7 04 75 66 44 89 e6 89
df e8 ec
<4>[ 1130.118653] RSP: 0018:ffffa3d085d07b08 EFLAGS: 00000246
<4>[ 1130.118694] RAX: 0000000000000000 RBX: 0000000000400dc0 RCX:
ffffa2b9ffffa000
<4>[ 1130.118706] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000400dc0
<4>[ 1130.118717] RBP: ffffa3d085d07b60 R08: 00007fffffffe000 R09:
00007fffffffefff
<4>[ 1130.118728] R10: ffffa2b981faaa0c R11: 0000000000000000 R12:
0000000000000000
<4>[ 1130.118739] R13: 0000000000000000 R14: 0000000000000000 R15:
00007fffffffefec
<4>[ 1130.118783] FS:  0000000000000000(0003)
GS:ffffa2b9fbc00000(0063) knlGS:00000000f7f05880
<4>[ 1130.118798] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
<4>[ 1130.118810] CR2: 00000000f7c10bec CR3: 00000001085ba000 CR4:
00000000000006f0
<4>[ 1130.118899] Call Trace:
<4>[ 1130.118974]  <TASK>
<4>[ 1130.119069]  alloc_pages+0x94/0x140
<4>[ 1130.119128]  get_zeroed_page+0x1d/0x50
<4>[ 1130.119142]  __pud_alloc+0x33/0xe0
<4>[ 1130.119156]  __handle_mm_fault+0x50c/0x1310
<4>[ 1130.119175]  handle_mm_fault+0xf8/0x320
<4>[ 1130.119187]  ? check_vma_flags+0x53/0x130
<4>[ 1130.119199]  __get_user_pages+0x1ed/0x600
<4>[ 1130.119214]  get_user_pages_remote+0x137/0x3c0
<4>[ 1130.119229]  get_arg_page+0x65/0x150
<4>[ 1130.119245]  copy_string_kernel+0xd7/0x1e0
<4>[ 1130.119258]  do_execveat_common.isra.0+0x11e/0x240
<4>[ 1130.119272]  __ia32_compat_sys_execve+0x3f/0x50
<4>[ 1130.119285]  __do_fast_syscall_32+0x6b/0xf0
<4>[ 1130.119300]  do_fast_syscall_32+0x38/0x80
<4>[ 1130.119312]  do_SYSENTER_32+0x23/0x30
<4>[ 1130.119324]  entry_SYSENTER_compat_after_hwframe+0x7f/0x91
<4>[ 1130.119374] RIP: 0023:0xf7f0a579
<4>[ 1130.119570] 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
<4>[ 1130.119578] RSP: 002b:00000000ffcc16e8 EFLAGS: 00000206
ORIG_RAX: 000000000000000b
<4>[ 1130.119594] RAX: ffffffffffffffda RBX: 00000000086cc480 RCX:
00000000086d8810
<4>[ 1130.119600] RDX: 00000000086dc490 RSI: 00000000086cc480 RDI:
0000000000000020
<4>[ 1130.119605] RBP: 00000000086d6270 R08: 0000000000000000 R09:
0000000000000000
<4>[ 1130.119610] R10: 0000000000000000 R11: 0000000000000206 R12:
0000000000000000
<4>[ 1130.119614] R13: 0000000000000000 R14: 0000000000000000 R15:
0000000000000000
<4>[ 1130.119652]  </TASK>
<4>[ 1130.119698] Modules linked in:
<4>[ 1130.148538] ---[ end trace 0000000000000000 ]---
<4>[ 1130.148708] RIP: 0010:__alloc_pages+0xeb/0x340
<4>[ 1130.148907] Code: 48 c1 e0 04 48 8d 84 01 00 13 00 00 48 89 45
a8 8b 05 d9 31 cf 01 85 c0 0f 85 05 02 00 00 89 d8 c1 e8 03 83 e0 03
89 45 c0 66 <90> 41 89 df 41 be 01 00 00 00 f6 c7 04 75 66 44 89 e6 89
df e8 ec
<4>[ 1130.148923] RSP: 0018:ffffa3d085d07b08 EFLAGS: 00000246
<4>[ 1130.148947] RAX: 0000000000000000 RBX: 0000000000400dc0 RCX:
ffffa2b9ffffa000
<4>[ 1130.148952] RDX: 0000000000000000 RSI: 0000000000000000 RDI:
0000000000400dc0
<4>[ 1130.148958] RBP: ffffa3d085d07b60 R08: 00007fffffffe000 R09:
00007fffffffefff
<4>[ 1130.148963] R10: ffffa2b981faaa0c R11: 0000000000000000 R12:
0000000000000000
<4>[ 1130.148968] R13: 0000000000000000 R14: 0000000000000000 R15:
00007fffffffefec
<4>[ 1130.148974] FS:  0000000000000000(0003)
GS:ffffa2b9fbc00000(0063) knlGS:00000000f7f05880
<4>[ 1130.148981] CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
<4>[ 1130.148987] CR2: 00000000f7c10bec CR3: 00000001085ba000 CR4:
00000000000006f0
<0>[ 1130.149129] Kernel panic - not syncing: Fatal exception in interrupt
<0>[ 1130.152835] Kernel Offset: 0x8400000 from 0xffffffff81000000
(relocation range: 0xffffffff80000000-0xffffffffbfffffff)

links,
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.3.y/build/v6.3.3-364-ga37c304c022d/testrun/17170153/suite/log-parser-test/tests/
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.3.y/build/v6.3.3-364-ga37c304c022d/testrun/17170153/suite/log-parser-test/test/check-kernel-panic/log
 - https://qa-reports.linaro.org/lkft/linux-stable-rc-linux-6.3.y/build/v6.3.3-364-ga37c304c022d/testrun/17170153/suite/log-parser-test/test/check-kernel-panic/details/

--
Linaro LKFT
https://lkft.linaro.org

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