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Message-ID: <Yt1RXVnI27iLwxr0@xsang-OptiPlex-9020>
Date:   Sun, 24 Jul 2022 22:04:13 +0800
From:   kernel test robot <oliver.sang@...el.com>
To:     Joanne Koong <joannelkoong@...il.com>
CC:     0day robot <lkp@...el.com>, LKML <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, <dccp@...r.kernel.org>,
        <lkp@...ts.01.org>, <pabeni@...hat.com>, <edumazet@...gle.com>,
        <kuba@...nel.org>, <kafai@...com>, <davem@...emloft.net>,
        Joanne Koong <joannelkoong@...il.com>
Subject: [net]  03d56978dd: BUG:Bad_page_map_in_process



Greeting,

FYI, we noticed the following commit (built with gcc-11):

commit: 03d56978dd246147e151916e4dc72af7bc24d5c9 ("[PATCH net-next v3 1/3] net: Add a bhash2 table hashed by port + address")
url: https://github.com/intel-lab-lkp/linux/commits/Joanne-Koong/Add-a-second-bind-table-hashed-by-port-address/20220723-035903
base: https://git.kernel.org/cgit/linux/kernel/git/davem/net-next.git 949d6b405e6160ae44baea39192d67b39cb7eeac
patch link: https://lore.kernel.org/netdev/20220722195406.1304948-2-joannelkoong@gmail.com

in testcase: boot

on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 16G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):



If you fix the issue, kindly add following tag
Reported-by: kernel test robot <oliver.sang@...el.com>


[  103.871133][  T486] BUG: Bad page map in process rsync  pte:ffff92f93b759508 pmd:13fc1e067
[  103.873143][  T486] addr:00007f9fe52a2000 vm_flags:00000075 anon_vma:0000000000000000 mapping:ffff92f928adcb58 index:1a1
[  103.875128][  T486] file:libcrypto.so.1.1 fault:filemap_fault mmap:generic_file_mmap read_folio:simple_read_folio
[  103.877339][  T486] CPU: 0 PID: 486 Comm: rsync Not tainted 5.19.0-rc7-01443-g03d56978dd24 #1
[  103.879032][  T486] Call Trace:
[  103.879742][  T486]  <TASK>
[  103.880329][  T486]  ? simple_write_end+0x140/0x140
[  103.881338][  T486]  dump_stack_lvl+0x3b/0x53
[  103.882274][  T486]  ? __filemap_get_folio+0x780/0x780
[  103.883270][  T486]  print_bad_pte.cold+0x15b/0x1c5
[  103.884202][  T486]  vm_normal_page+0x65/0x140
[  103.885062][  T486]  zap_pte_range+0x23b/0x9c0
[  103.885897][  T486]  unmap_page_range+0x263/0x5c0
[  103.886846][  T486]  unmap_vmas+0x121/0x200
[  103.887628][  T486]  exit_mmap+0xb5/0x240
[  103.888401][  T486]  mmput+0x3b/0x140
[  103.889134][  T486]  exit_mm+0xff/0x180
[  103.889877][  T486]  do_exit+0x100/0x400
[  103.890661][  T486]  do_group_exit+0x3e/0x100
[  103.891514][  T486]  __x64_sys_exit_group+0x18/0x40
[  103.892494][  T486]  do_syscall_64+0x5d/0x80
[  103.893294][  T486]  ? do_user_addr_fault+0x257/0x6c0
[  103.894238][  T486]  ? lock_release+0x6e/0x100
[  103.895171][  T486]  ? up_read+0x12/0x40
[  103.896036][  T486]  ? exc_page_fault+0xb2/0x2c0
[  103.897021][  T486]  entry_SYSCALL_64_after_hwframe+0x5d/0xc7
[  103.898243][  T486] RIP: 0033:0x7f9fe5007699
[  103.899149][  T486] Code: Unable to access opcode bytes at RIP 0x7f9fe500766f.
[  103.900511][  T486] RSP: 002b:00007fff7e32c3a8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  103.902027][  T486] RAX: ffffffffffffffda RBX: 00007f9fe50fc610 RCX: 00007f9fe5007699
[  103.903477][  T486] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[  103.904943][  T486] RBP: 0000000000000000 R08: ffffffffffffff80 R09: 0000000000000001
[  103.906384][  T486] R10: 000000000000000b R11: 0000000000000246 R12: 00007f9fe50fc610
[  103.907823][  T486] R13: 0000000000000001 R14: 00007f9fe50fcae8 R15: 0000000000000000
[  103.909290][  T486]  </TASK>
[  103.910423][  T486] Disabling lock debugging due to kernel taint
[  107.503093][  T508] BUG: Bad page map in process rsync  pte:ffff92f93b7fe508 pmd:13aa1c067
[  107.504948][  T508] addr:00007fced9aa2000 vm_flags:00000075 anon_vma:0000000000000000 mapping:ffff92f92891ab58 index:9a
[  107.507070][  T508] file:libzstd.so.1.4.8 fault:filemap_fault mmap:generic_file_mmap read_folio:simple_read_folio
[  107.508825][  T508] CPU: 0 PID: 508 Comm: rsync Tainted: G    B             5.19.0-rc7-01443-g03d56978dd24 #1
[  107.510762][  T508] Call Trace:
[  107.511458][  T508]  <TASK>
[  107.512058][  T508]  ? simple_write_end+0x140/0x140
[  107.513072][  T508]  dump_stack_lvl+0x3b/0x53
[  107.513990][  T508]  ? __filemap_get_folio+0x780/0x780
[  107.519166][  T508]  print_bad_pte.cold+0x15b/0x1c5
[  107.520032][  T508]  vm_normal_page+0x65/0x140
[  107.520802][  T508]  zap_pte_range+0x23b/0x9c0
[  107.521548][  T508]  unmap_page_range+0x263/0x5c0
[  107.522355][  T508]  unmap_vmas+0x121/0x200
[  107.523247][  T508]  exit_mmap+0xb5/0x240
[  107.524107][  T508]  mmput+0x3b/0x140
[  107.524908][  T508]  exit_mm+0xff/0x180
[  107.525716][  T508]  do_exit+0x100/0x400
[  107.526613][  T508]  do_group_exit+0x3e/0x100
[  107.527541][  T508]  __x64_sys_exit_group+0x18/0x40
[  107.528450][  T508]  do_syscall_64+0x5d/0x80
[  107.529368][  T508]  ? up_read+0x12/0x40
[  107.530228][  T508]  ? do_user_addr_fault+0x257/0x6c0
[  107.531121][  T508]  ? rcu_read_lock_sched_held+0x5/0x40
[  107.532046][  T508]  ? exc_page_fault+0xb2/0x2c0
[  107.532843][  T508]  entry_SYSCALL_64_after_hwframe+0x5d/0xc7
[  107.533866][  T508] RIP: 0033:0x7fced95ff699
[  107.534781][  T508] Code: Unable to access opcode bytes at RIP 0x7fced95ff66f.
[  107.536225][  T508] RSP: 002b:00007fff162474c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7
[  107.537871][  T508] RAX: ffffffffffffffda RBX: 00007fced96f4610 RCX: 00007fced95ff699
[  107.539506][  T508] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000000
[  107.541126][  T508] RBP: 0000000000000000 R08: ffffffffffffff80 R09: 0000000000000001
[  107.542743][  T508] R10: 000000000000000b R11: 0000000000000246 R12: 00007fced96f4610
[  107.544310][  T508] R13: 0000000000000001 R14: 00007fced96f4ae8 R15: 0000000000000000
[  107.545881][  T508]  </TASK>



To reproduce:

        # build kernel
	cd linux
	cp config-5.19.0-rc7-01443-g03d56978dd24 .config
	make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage modules
	make HOSTCC=gcc-11 CC=gcc-11 ARCH=x86_64 INSTALL_MOD_PATH=<mod-install-dir> modules_install
	cd <mod-install-dir>
	find lib/ | cpio -o -H newc --quiet | gzip > modules.cgz


        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> -m modules.cgz job-script # job-script is attached in this email

        # if come across any failure that blocks the test,
        # please remove ~/.lkp and /lkp dir to run from a clean state.



-- 
0-DAY CI Kernel Test Service
https://01.org/lkp



View attachment "config-5.19.0-rc7-01443-g03d56978dd24" of type "text/plain" (124837 bytes)

View attachment "job-script" of type "text/plain" (5031 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (16944 bytes)

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