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Message-ID: <98d4f3c3-1ac3-d94b-d4b6-295d8b3264c5@intel.com>
Date: Fri, 2 Sep 2022 14:23:48 +0800
From: kernel test robot <yujie.liu@...el.com>
To: Karthik Alapati <mail@...thek.com>
CC: <lkp@...ts.01.org>, <lkp@...el.com>, 0day robot <lkp@...el.com>,
<ntfs3@...ts.linux.dev>,
Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
Nathan Chancellor <nathan@...nel.org>,
Nick Desaulniers <ndesaulniers@...gle.com>,
Tom Rix <trix@...hat.com>, <linux-kernel@...r.kernel.org>,
<llvm@...ts.linux.dev>
Subject: [fs/ntfs3] 6457c9bffd: RIP:put_mount_options
Greeting,
FYI, we noticed the following commit (built with gcc-11):
commit: 6457c9bffda42028f5314008cbd053bc2286611e ("[PATCH] fs/ntfs3: fix memory leak in put_ntfs()")
url: https://github.com/intel-lab-lkp/linux/commits/Karthik-Alapati/fs-ntfs3-fix-memory-leak-in-put_ntfs/20220831-123557
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git dcf8e5633e2e69ad60b730ab5905608b756a032f
patch link: ntfs3.lists.linux.dev https://lore.kernel.org/ntfs3/Yw7k0VQm%2B8l8JKWr@karthik-strix-linux.karthek.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):
[ 125.350941][ T230] general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN PTI
[ 125.352173][ T230] KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
[ 125.352873][ T230] CPU: 1 PID: 230 Comm: mount Not tainted 6.0.0-rc3-00008-g6457c9bffda4 #1
[ 125.353616][ T230] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.0-debian-1.16.0-4 04/01/2014
[ 125.354531][ T230] RIP: 0010:put_mount_options+0x14/0x59
[ 125.355125][ T230] Code: e8 37 37 b9 ff f0 ff 4b 34 75 09 48 89 df 5b e9 ac 1a ad ff 5b c3 48 89 fa b8 ff ff 37 00 55 48 89 fd 48 c1 ea 03 48 c1 e0 2a <80> 3c 02 00 74 05 e8 f3 32 b9 ff 48 8b 7d 00 e8 9e e0 b8 ff 48 8d
[ 125.356733][ T230] RSP: 0018:ffffc90000547cc8 EFLAGS: 00010286
[ 125.357247][ T230] RAX: dffffc0000000000 RBX: ffff88816b58e400 RCX: 0000000000000000
[ 125.357912][ T230] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
[ 125.358465][ T230] RBP: 0000000000000000 R08: 000000000000001e R09: ffffc9000054798f
[ 125.358912][ T230] R10: 0000000000000001 R11: ffffffff81204b88 R12: ffff88816b58e4b0
[ 125.359561][ T230] R13: 0000000000000000 R14: ffff8881154d03a0 R15: ffffc90000547da0
[ 125.360290][ T230] FS: 00007f8cb234d740(0000) GS:ffff8883aef00000(0000) knlGS:0000000000000000
[ 125.361112][ T230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 125.361702][ T230] CR2: 000055fd37b7e078 CR3: 00000001123d8000 CR4: 00000000000406e0
[ 125.362426][ T230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 125.363170][ T230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 125.363904][ T230] Call Trace:
[ 125.364118][ T230] <TASK>
[ 125.364385][ T230] put_ntfs+0x32/0x26f
[ 125.364774][ T230] ntfs_fs_free+0x61/0x73
[ 125.365206][ T230] put_fs_context+0x129/0x33c
[ 125.365593][ T230] ? put_ntfs+0x26f/0x26f
[ 125.365849][ T230] do_new_mount+0x27b/0x314
[ 125.366250][ T230] ? do_add_mount+0x1e8/0x1e8
[ 125.366525][ T230] path_mount+0x9af/0x9d8
[ 125.366774][ T230] ? finish_automount+0x316/0x316
[ 125.367142][ T230] do_mount+0x89/0xb7
[ 125.367524][ T230] ? path_mount+0x9d8/0x9d8
[ 125.367928][ T230] __x64_sys_mount+0x249/0x275
[ 125.368347][ T230] ? lockdep_hardirqs_on_prepare+0x2bc/0x2dd
[ 125.368942][ T230] do_syscall_64+0x6e/0x82
[ 125.369355][ T230] entry_SYSCALL_64_after_hwframe+0x5e/0xc8
[ 125.369875][ T230] RIP: 0033:0x7f8cb24476ca
[ 125.370286][ T230] Code: 48 8b 0d c9 b7 0b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 96 b7 0b 00 f7 d8 64 89 01 48
[ 125.371336][ T230] RSP: 002b:00007ffcabdd8d78 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
[ 125.371770][ T230] RAX: ffffffffffffffda RBX: 00007ffcabdd8f10 RCX: 00007f8cb24476ca
[ 125.372176][ T230] RDX: 000055fd37b7e5e0 RSI: 000055fd37b7a7c1 RDI: 000055fd37b7a7ac
[ 125.372581][ T230] RBP: 0000000000008000 R08: 0000000000000000 R09: 000055fd37b7e9a0
[ 125.372987][ T230] R10: 0000000000008000 R11: 0000000000000206 R12: 00007f8cb234d6c0
[ 125.373392][ T230] R13: 0000000000000000 R14: 000055fd37b6a138 R15: 00000000ffffffff
[ 125.373799][ T230] </TASK>
[ 125.373986][ T230] Modules linked in:
[ 125.374356][ T230] ---[ end trace 0000000000000000 ]---
[ 125.374647][ T230] RIP: 0010:put_mount_options+0x14/0x59
[ 125.374954][ T230] Code: e8 37 37 b9 ff f0 ff 4b 34 75 09 48 89 df 5b e9 ac 1a ad ff 5b c3 48 89 fa b8 ff ff 37 00 55 48 89 fd 48 c1 ea 03 48 c1 e0 2a <80> 3c 02 00 74 05 e8 f3 32 b9 ff 48 8b 7d 00 e8 9e e0 b8 ff 48 8d
[ 125.375947][ T230] RSP: 0018:ffffc90000547cc8 EFLAGS: 00010286
[ 125.376263][ T230] RAX: dffffc0000000000 RBX: ffff88816b58e400 RCX: 0000000000000000
[ 125.376669][ T230] RDX: 0000000000000000 RSI: 0000000000000008 RDI: 0000000000000000
[ 125.377075][ T230] RBP: 0000000000000000 R08: 000000000000001e R09: ffffc9000054798f
[ 125.377481][ T230] R10: 0000000000000001 R11: ffffffff81204b88 R12: ffff88816b58e4b0
[ 125.377886][ T230] R13: 0000000000000000 R14: ffff8881154d03a0 R15: ffffc90000547da0
[ 125.378309][ T230] FS: 00007f8cb234d740(0000) GS:ffff8883aef00000(0000) knlGS:0000000000000000
[ 125.378763][ T230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 125.379124][ T230] CR2: 000055fd37b7e078 CR3: 00000001123d8000 CR4: 00000000000406e0
[ 125.379531][ T230] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 125.379933][ T230] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 125.380340][ T230] Kernel panic - not syncing: Fatal exception
[ 125.380718][ T230] Kernel Offset: disabled
If you fix the issue, kindly add following tag
Reported-by: kernel test robot <yujie.liu@...el.com>
To reproduce:
# build kernel
cd linux
cp config-6.0.0-rc3-00008-g6457c9bffda4 .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-6.0.0-rc3-00008-g6457c9bffda4" of type "text/plain" (133714 bytes)
View attachment "job-script" of type "text/plain" (5091 bytes)
Download attachment "dmesg.xz" of type "application/x-xz" (15196 bytes)
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