From: Minghao Chi <[email protected]>
Return value from ocfs2_add_clusters_in_btree() directly instead
of taking this in another redundant variable.
Reported-by: Zeal Robot <[email protected]>
Signed-off-by: Minghao Chi <[email protected]>
Signed-off-by: CGEL ZTE <[email protected]>
---
fs/ocfs2/file.c | 6 +-----
1 file changed, 1 insertion(+), 5 deletions(-)
diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
index fc5f780fa235..9a46dcef448c 100644
--- a/fs/ocfs2/file.c
+++ b/fs/ocfs2/file.c
@@ -540,15 +540,11 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb,
struct ocfs2_alloc_context *meta_ac,
enum ocfs2_alloc_restarted *reason_ret)
{
- int ret;
struct ocfs2_extent_tree et;
- ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), fe_bh);
- ret = ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
+ return ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
clusters_to_add, mark_unwritten,
data_ac, meta_ac, reason_ret);
-
- return ret;
}
static int ocfs2_extend_allocation(struct inode *inode, u32 logical_start,
--
2.25.1
This is obviously not right as you remove the extent tree initialization.
Thanks,
Joseph
On 1/12/22 4:14 PM, [email protected] wrote:
> From: Minghao Chi <[email protected]>
>
> Return value from ocfs2_add_clusters_in_btree() directly instead
> of taking this in another redundant variable.
>
> Reported-by: Zeal Robot <[email protected]>
> Signed-off-by: Minghao Chi <[email protected]>
> Signed-off-by: CGEL ZTE <[email protected]>
> ---
> fs/ocfs2/file.c | 6 +-----
> 1 file changed, 1 insertion(+), 5 deletions(-)
>
> diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
> index fc5f780fa235..9a46dcef448c 100644
> --- a/fs/ocfs2/file.c
> +++ b/fs/ocfs2/file.c
> @@ -540,15 +540,11 @@ int ocfs2_add_inode_data(struct ocfs2_super *osb,
> struct ocfs2_alloc_context *meta_ac,
> enum ocfs2_alloc_restarted *reason_ret)
> {
> - int ret;
> struct ocfs2_extent_tree et;
>
> - ocfs2_init_dinode_extent_tree(&et, INODE_CACHE(inode), fe_bh);
> - ret = ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
> + return ocfs2_add_clusters_in_btree(handle, &et, logical_offset,
> clusters_to_add, mark_unwritten,
> data_ac, meta_ac, reason_ret);
> -
> - return ret;
> }
>
> static int ocfs2_extend_allocation(struct inode *inode, u32 logical_start,
Greeting,
FYI, we noticed the following commit (built with gcc-9):
commit: 32e1a3dbeb6b569a29d843426cb163b5fd27a348 ("[PATCH] fs/ocfs2: remove redundant ret variable")
url: https://github.com/0day-ci/linux/commits/cgel-zte-gmail-com/fs-ocfs2-remove-redundant-ret-variable/20220112-161525
base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git daadb3bd0e8d3e317e36bc2c1542e86c528665e5
patch link: https://lore.kernel.org/lkml/[email protected]
in testcase: ocfs2test
version: ocfs2test-x86_64-d802bf7-1_20210827
with following parameters:
disk: 1HDD
test: test-aiostress
ucode: 0x28
on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz with 16G memory
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 <[email protected]>
[ 56.620204][ T970] kernel BUG at fs/ocfs2/uptodate.c:65!
[ 56.625708][ T970] invalid opcode: 0000 [#1] SMP KASAN PTI
[ 56.631301][ T970] CPU: 2 PID: 970 Comm: aio-stress Not tainted 5.16.0-06519-g32e1a3dbeb6b #1
[ 56.639940][ T970] Hardware name: Gigabyte Technology Co., Ltd. Z97X-UD5H/Z97X-UD5H, BIOS F9 04/21/2015
[ 56.649465][ T970] RIP: 0010:ocfs2_metadata_cache_get_super (fs/ocfs2/uptodate.c:65 fs/ocfs2/uptodate.c:63) ocfs2
[ 56.656764][ T970] Code: 29 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 c1 ea 03 80 3c 02 00 75 17 48 8b 43 08 48 89 ef 5b 5d e9 08 01 ae c1 <0f> 0b e8 21 e1 b8 bf eb c5 e8 1a e1 b8 bf eb e2 66 66 2e 0f 1f 84
All code
========
0: 29 48 b8 sub %ecx,-0x48(%rax)
3: 00 00 add %al,(%rax)
5: 00 00 add %al,(%rax)
7: 00 fc add %bh,%ah
9: ff (bad)
a: df 48 8d fisttps -0x73(%rax)
d: 7b 08 jnp 0x17
f: 48 89 fa mov %rdi,%rdx
12: 48 c1 ea 03 shr $0x3,%rdx
16: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
1a: 75 17 jne 0x33
1c: 48 8b 43 08 mov 0x8(%rbx),%rax
20: 48 89 ef mov %rbp,%rdi
23: 5b pop %rbx
24: 5d pop %rbp
25: e9 08 01 ae c1 jmpq 0xffffffffc1ae0132
2a:* 0f 0b ud2 <-- trapping instruction
2c: e8 21 e1 b8 bf callq 0xffffffffbfb8e152
31: eb c5 jmp 0xfffffffffffffff8
33: e8 1a e1 b8 bf callq 0xffffffffbfb8e152
38: eb e2 jmp 0x1c
3a: 66 data16
3b: 66 data16
3c: 2e cs
3d: 0f .byte 0xf
3e: 1f (bad)
3f: 84 .byte 0x84
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: e8 21 e1 b8 bf callq 0xffffffffbfb8e128
7: eb c5 jmp 0xffffffffffffffce
9: e8 1a e1 b8 bf callq 0xffffffffbfb8e128
e: eb e2 jmp 0xfffffffffffffff2
10: 66 data16
11: 66 data16
12: 2e cs
13: 0f .byte 0xf
14: 1f (bad)
15: 84 .byte 0x84
[ 56.676290][ T970] RSP: 0018:ffffc90001b3ecd0 EFLAGS: 00010246
[ 56.682346][ T970] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
[ 56.690196][ T970] RDX: 1ffff110833fee09 RSI: ffffc90001b3ee20 RDI: ffff888419ff704c
[ 56.698067][ T970] RBP: ffff888419ff704c R08: 0000000000000001 R09: ffff888183cc8800
[ 56.705937][ T970] R10: dffffc0000000000 R11: 0000000000000000 R12: ffffc90001b3ee20
[ 56.713797][ T970] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90001b3ee38
[ 56.721631][ T970] FS: 00007f70925db700(0000) GS:ffff8883a7300000(0000) knlGS:0000000000000000
[ 56.730464][ T970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 56.736935][ T970] CR2: 00007f70915c8000 CR3: 0000000418668005 CR4: 00000000001706e0
[ 56.744806][ T970] Call Trace:
[ 56.747978][ T970] <TASK>
[ 56.750803][ T970] ocfs2_add_clusters_in_btree (fs/ocfs2/alloc.c:4785) ocfs2
[ 56.757167][ T970] ? kasan_save_stack (mm/kasan/common.c:38)
[ 56.761895][ T970] ? __kasan_slab_alloc (mm/kasan/common.c:46 mm/kasan/common.c:437 mm/kasan/common.c:470)
[ 56.766984][ T970] ? kmem_cache_alloc (mm/slab.h:739 mm/slub.c:3230 mm/slub.c:3238 mm/slub.c:3243)
[ 56.771898][ T970] ? jbd2__journal_start (include/linux/slab.h:706 include/linux/jbd2.h:1603 fs/jbd2/transaction.c:481 fs/jbd2/transaction.c:508 fs/jbd2/transaction.c:490)
[ 56.777072][ T970] ? ocfs2_insert_extent (fs/ocfs2/alloc.c:4777) ocfs2
[ 56.782983][ T970] ? ocfs2_direct_IO (fs/ocfs2/aops.c:2450) ocfs2
[ 56.788537][ T970] ? generic_file_direct_write (mm/filemap.c:3678)
[ 56.794239][ T970] ? __generic_file_write_iter (mm/filemap.c:3838)
[ 56.799934][ T970] ? ocfs2_file_write_iter (fs/ocfs2/file.c:2447) ocfs2
[ 56.806018][ T970] ? __jbd2_journal_unfile_buffer (fs/jbd2/transaction.c:235)
[ 56.811791][ T970] ? __x64_sys_io_submit (fs/aio.c:2056 fs/aio.c:2026 fs/aio.c:2026)
[ 56.816982][ T970] ? do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 56.821445][ T970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
[ 56.827416][ T970] ocfs2_add_inode_data (fs/ocfs2/file.c:545) ocfs2
[ 56.833051][ T970] ? ocfs2_truncate_file (fs/ocfs2/file.c:542) ocfs2
[ 56.839109][ T970] ? start_this_handle (arch/x86/include/asm/atomic.h:165 arch/x86/include/asm/atomic.h:178 include/linux/atomic/atomic-instrumented.h:147 include/asm-generic/qrwlock.h:109 include/linux/rwlock_api_smp.h:224 fs/jbd2/transaction.c:465)
[ 56.844195][ T970] ocfs2_write_cluster+0xb16/0x13c0 ocfs2
[ 56.850617][ T970] ? kasan_unpoison (mm/kasan/shadow.c:108 mm/kasan/shadow.c:142)
[ 56.855150][ T970] ? ocfs2_map_page_blocks (fs/ocfs2/aops.c:1115) ocfs2
[ 56.861243][ T970] ? mutex_unlock (arch/x86/include/asm/atomic64_64.h:190 include/linux/atomic/atomic-long.h:449 include/linux/atomic/atomic-instrumented.h:1790 kernel/locking/mutex.c:178 kernel/locking/mutex.c:537)
[ 56.865722][ T970] ? jbd2_journal_get_write_access (fs/jbd2/transaction.c:1226)
[ 56.871678][ T970] ? __ocfs2_journal_access (fs/ocfs2/journal.c:703) ocfs2
[ 56.877849][ T970] ? ocfs2_complete_recovery (fs/ocfs2/journal.c:638) ocfs2
[ 56.884105][ T970] ? _raw_spin_lock (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:82 include/linux/spinlock.h:185 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[ 56.888723][ T970] ocfs2_write_begin_nolock (fs/ocfs2/aops.c:1249 fs/ocfs2/aops.c:1819) ocfs2
[ 56.895063][ T970] ? ocfs2_size_fits_inline_data (fs/ocfs2/aops.c:1651) ocfs2
[ 56.901458][ T970] ? ocfs2_read_inode_block_full (fs/ocfs2/inode.c:1597) ocfs2
[ 56.907975][ T970] ? ocfs2_refresh_inode (fs/ocfs2/inode.c:1589) ocfs2
[ 56.913877][ T970] ? __raw_callee_save___native_queued_spin_unlock (??:?)
[ 56.921140][ T970] ? ocfs2_inode_lock_full_nested (fs/ocfs2/dlmglue.c:2412 fs/ocfs2/dlmglue.c:2507) ocfs2
[ 56.927847][ T970] ? ocfs2_allocate_extend_trans (fs/ocfs2/journal.c:712) ocfs2
[ 56.934787][ T970] ? down_write_killable (kernel/locking/rwsem.c:1512)
[ 56.939927][ T970] ocfs2_dio_wr_get_block (fs/ocfs2/aops.c:2229) ocfs2
[ 56.946011][ T970] ? iov_iter_get_pages (lib/iov_iter.c:1543)
[ 56.951063][ T970] ? ocfs2_write_end_nolock (fs/ocfs2/aops.c:2130) ocfs2
[ 56.957409][ T970] ? iov_iter_get_pages_alloc (lib/iov_iter.c:1521)
[ 56.963162][ T970] ? __kasan_init_slab_obj (mm/kasan/common.c:327)
[ 56.968329][ T970] ? allocate_slab (mm/slub.c:376 mm/slub.c:1904 mm/slub.c:1970)
[ 56.972967][ T970] do_direct_IO (fs/direct-io.c:673 fs/direct-io.c:955)
[ 56.977446][ T970] ? _raw_write_lock_irq (kernel/locking/spinlock.c:153)
[ 56.982584][ T970] ? kasan_unpoison (mm/kasan/shadow.c:108 mm/kasan/shadow.c:142)
[ 56.987139][ T970] ? do_blockdev_direct_IO (fs/direct-io.c:1152)
[ 56.992542][ T970] do_blockdev_direct_IO (fs/direct-io.c:1270)
[ 56.997794][ T970] ? ocfs2_dio_end_io_write (fs/ocfs2/aops.c:2400) ocfs2
[ 57.003931][ T970] ? do_direct_IO (fs/direct-io.c:1129)
[ 57.008655][ T970] ? native_queued_spin_lock_slowpath (arch/x86/include/asm/atomic.h:29 include/linux/atomic/atomic-instrumented.h:28 arch/x86/include/asm/qspinlock.h:25 kernel/locking/qspinlock.c:352)
[ 57.014963][ T970] ? ocfs2_read_blocks_sync (fs/ocfs2/buffer_head_io.c:197) ocfs2
[ 57.021110][ T970] ? .slowpath (kernel/locking/qspinlock.c:316)
[ 57.025060][ T970] ? truncate_pagecache_range (mm/truncate.c:625)
[ 57.030493][ T970] ? _raw_spin_lock (arch/x86/include/asm/paravirt.h:591 arch/x86/include/asm/qspinlock.h:51 include/asm-generic/qspinlock.h:85 include/linux/spinlock.h:185 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[ 57.035115][ T970] ? _raw_write_lock_irq (kernel/locking/spinlock.c:153)
[ 57.040278][ T970] ? ocfs2_write_end_nolock (fs/ocfs2/aops.c:2130) ocfs2
[ 57.046615][ T970] ? filemap_fdatawait_keep_errors (mm/filemap.c:714)
[ 57.052455][ T970] ? __mark_inode_dirty (include/linux/spinlock.h:202 include/linux/spinlock_api_smp.h:142 include/linux/spinlock.h:389 fs/fs-writeback.c:2480)
[ 57.057533][ T970] ? generic_update_time (fs/inode.c:1784)
[ 57.062673][ T970] ocfs2_direct_IO (fs/ocfs2/aops.c:2450) ocfs2
[ 57.068057][ T970] generic_file_direct_write (mm/filemap.c:3678)
[ 57.073584][ T970] __generic_file_write_iter (mm/filemap.c:3838)
[ 57.079089][ T970] ocfs2_file_write_iter (fs/ocfs2/file.c:2447) ocfs2
[ 57.085018][ T970] ? ocfs2_prepare_inode_for_write+0x880/0x880 ocfs2
[ 57.092410][ T970] ? stack_trace_save (kernel/stacktrace.c:123)
[ 57.097141][ T970] aio_write (fs/aio.c:1497 fs/aio.c:1578)
[ 57.101265][ T970] ? aio_prep_rw (fs/aio.c:1545)
[ 57.105713][ T970] ? kasan_save_stack (mm/kasan/common.c:41)
[ 57.110444][ T970] ? kasan_save_stack (mm/kasan/common.c:38)
[ 57.115159][ T970] ? __kasan_slab_alloc (mm/kasan/common.c:46 mm/kasan/common.c:437 mm/kasan/common.c:470)
[ 57.120054][ T970] ? io_submit_one (fs/aio.c:1029 fs/aio.c:1993)
[ 57.124673][ T970] ? __x64_sys_io_submit (fs/aio.c:2056 fs/aio.c:2026 fs/aio.c:2026)
[ 57.129848][ T970] ? do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 57.134330][ T970] ? tcp_mtu_probe (include/linux/skbuff.h:1464 net/ipv4/tcp_output.c:2393)
[ 57.139148][ T970] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:82 include/linux/spinlock.h:185 include/linux/spinlock_api_smp.h:111 kernel/locking/spinlock.c:162)
[ 57.144496][ T970] ? get_random_u32 (drivers/char/random.c:2219)
[ 57.149150][ T970] ? __kasan_init_slab_obj (mm/kasan/common.c:327)
[ 57.154324][ T970] ? setup_object+0x17/0xc0
[ 57.159307][ T970] ? __io_submit_one+0xa7d/0x1040
[ 57.165233][ T970] __io_submit_one+0xa7d/0x1040
[ 57.170982][ T970] ? aio_poll_complete_work (fs/aio.c:1913)
[ 57.176587][ T970] ? kasan_unpoison (mm/kasan/shadow.c:108 mm/kasan/shadow.c:142)
[ 57.181138][ T970] ? __kasan_slab_alloc (mm/kasan/common.c:46 mm/kasan/common.c:437 mm/kasan/common.c:470)
[ 57.186018][ T970] ? __get_reqs_available (arch/x86/include/asm/atomic.h:196 include/linux/atomic/atomic-instrumented.h:504 fs/aio.c:934)
[ 57.191270][ T970] io_submit_one (include/linux/instrumented.h:101 include/linux/atomic/atomic-instrumented.h:176 include/linux/refcount.h:272 include/linux/refcount.h:315 include/linux/refcount.h:333 fs/aio.c:1162 fs/aio.c:2000)
[ 57.195803][ T970] ? exc_page_fault (arch/x86/include/asm/irqflags.h:40 arch/x86/include/asm/irqflags.h:75 arch/x86/mm/fault.c:1493 arch/x86/mm/fault.c:1541)
[ 57.200361][ T970] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:568)
[ 57.205241][ T970] ? __io_submit_one+0x1040/0x1040
[ 57.211282][ T970] ? __get_user_4 (arch/x86/lib/getuser.S:85)
[ 57.215676][ T970] __x64_sys_io_submit (fs/aio.c:2056 fs/aio.c:2026 fs/aio.c:2026)
[ 57.220676][ T970] ? __ia32_compat_sys_io_submit (fs/aio.c:2026)
[ 57.226533][ T970] ? switch_fpu_return (arch/x86/include/asm/bitops.h:75 include/asm-generic/bitops/instrumented-atomic.h:42 include/linux/thread_info.h:94 arch/x86/kernel/fpu/context.h:80 arch/x86/kernel/fpu/core.c:664)
[ 57.231414][ T970] ? exit_to_user_mode_prepare (arch/x86/include/asm/entry-common.h:58 kernel/entry/common.c:209)
[ 57.237108][ T970] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
To reproduce:
git clone https://github.com/intel/lkp-tests.git
cd lkp-tests
sudo bin/lkp install job.yaml # job file is attached in this email
bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
sudo bin/lkp run generated-yaml-file
# if come across any failure that blocks the test,
# please remove ~/.lkp and /lkp dir to run from a clean state.
---
0DAY/LKP+ Test Infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
Thanks,
Oliver Sang
This patch is NAKed as I've decribed in the original reply.
And I've sent substituted patch which can be found at:
https://lore.kernel.org/ocfs2-devel/[email protected]/T/#t
Thanks,
Joseph
On 1/23/22 10:13 PM, kernel test robot wrote:
>
>
> Greeting,
>
> FYI, we noticed the following commit (built with gcc-9):
>
> commit: 32e1a3dbeb6b569a29d843426cb163b5fd27a348 ("[PATCH] fs/ocfs2: remove redundant ret variable")
> url: https://github.com/0day-ci/linux/commits/cgel-zte-gmail-com/fs-ocfs2-remove-redundant-ret-variable/20220112-161525
> base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git daadb3bd0e8d3e317e36bc2c1542e86c528665e5
> patch link: https://lore.kernel.org/lkml/[email protected]
>
> in testcase: ocfs2test
> version: ocfs2test-x86_64-d802bf7-1_20210827
> with following parameters:
>
> disk: 1HDD
> test: test-aiostress
> ucode: 0x28
>
>
>
> on test machine: 8 threads 1 sockets Intel(R) Core(TM) i7-4790T CPU @ 2.70GHz with 16G memory
>
> 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 <[email protected]>
>
>
> [ 56.620204][ T970] kernel BUG at fs/ocfs2/uptodate.c:65!
> [ 56.625708][ T970] invalid opcode: 0000 [#1] SMP KASAN PTI
> [ 56.631301][ T970] CPU: 2 PID: 970 Comm: aio-stress Not tainted 5.16.0-06519-g32e1a3dbeb6b #1
> [ 56.639940][ T970] Hardware name: Gigabyte Technology Co., Ltd. Z97X-UD5H/Z97X-UD5H, BIOS F9 04/21/2015
> [ 56.649465][ T970] RIP: 0010:ocfs2_metadata_cache_get_super (fs/ocfs2/uptodate.c:65 fs/ocfs2/uptodate.c:63) ocfs2
> [ 56.656764][ T970] Code: 29 48 b8 00 00 00 00 00 fc ff df 48 8d 7b 08 48 89 fa 48 c1 ea 03 80 3c 02 00 75 17 48 8b 43 08 48 89 ef 5b 5d e9 08 01 ae c1 <0f> 0b e8 21 e1 b8 bf eb c5 e8 1a e1 b8 bf eb e2 66 66 2e 0f 1f 84
> All code
> ========
> 0: 29 48 b8 sub %ecx,-0x48(%rax)
> 3: 00 00 add %al,(%rax)
> 5: 00 00 add %al,(%rax)
> 7: 00 fc add %bh,%ah
> 9: ff (bad)
> a: df 48 8d fisttps -0x73(%rax)
> d: 7b 08 jnp 0x17
> f: 48 89 fa mov %rdi,%rdx
> 12: 48 c1 ea 03 shr $0x3,%rdx
> 16: 80 3c 02 00 cmpb $0x0,(%rdx,%rax,1)
> 1a: 75 17 jne 0x33
> 1c: 48 8b 43 08 mov 0x8(%rbx),%rax
> 20: 48 89 ef mov %rbp,%rdi
> 23: 5b pop %rbx
> 24: 5d pop %rbp
> 25: e9 08 01 ae c1 jmpq 0xffffffffc1ae0132
> 2a:* 0f 0b ud2 <-- trapping instruction
> 2c: e8 21 e1 b8 bf callq 0xffffffffbfb8e152
> 31: eb c5 jmp 0xfffffffffffffff8
> 33: e8 1a e1 b8 bf callq 0xffffffffbfb8e152
> 38: eb e2 jmp 0x1c
> 3a: 66 data16
> 3b: 66 data16
> 3c: 2e cs
> 3d: 0f .byte 0xf
> 3e: 1f (bad)
> 3f: 84 .byte 0x84
>
> Code starting with the faulting instruction
> ===========================================
> 0: 0f 0b ud2
> 2: e8 21 e1 b8 bf callq 0xffffffffbfb8e128
> 7: eb c5 jmp 0xffffffffffffffce
> 9: e8 1a e1 b8 bf callq 0xffffffffbfb8e128
> e: eb e2 jmp 0xfffffffffffffff2
> 10: 66 data16
> 11: 66 data16
> 12: 2e cs
> 13: 0f .byte 0xf
> 14: 1f (bad)
> 15: 84 .byte 0x84
> [ 56.676290][ T970] RSP: 0018:ffffc90001b3ecd0 EFLAGS: 00010246
> [ 56.682346][ T970] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 0000000000000001
> [ 56.690196][ T970] RDX: 1ffff110833fee09 RSI: ffffc90001b3ee20 RDI: ffff888419ff704c
> [ 56.698067][ T970] RBP: ffff888419ff704c R08: 0000000000000001 R09: ffff888183cc8800
> [ 56.705937][ T970] R10: dffffc0000000000 R11: 0000000000000000 R12: ffffc90001b3ee20
> [ 56.713797][ T970] R13: 0000000000000000 R14: 0000000000000000 R15: ffffc90001b3ee38
> [ 56.721631][ T970] FS: 00007f70925db700(0000) GS:ffff8883a7300000(0000) knlGS:0000000000000000
> [ 56.730464][ T970] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 56.736935][ T970] CR2: 00007f70915c8000 CR3: 0000000418668005 CR4: 00000000001706e0
> [ 56.744806][ T970] Call Trace:
> [ 56.747978][ T970] <TASK>
> [ 56.750803][ T970] ocfs2_add_clusters_in_btree (fs/ocfs2/alloc.c:4785) ocfs2
> [ 56.757167][ T970] ? kasan_save_stack (mm/kasan/common.c:38)
> [ 56.761895][ T970] ? __kasan_slab_alloc (mm/kasan/common.c:46 mm/kasan/common.c:437 mm/kasan/common.c:470)
> [ 56.766984][ T970] ? kmem_cache_alloc (mm/slab.h:739 mm/slub.c:3230 mm/slub.c:3238 mm/slub.c:3243)
> [ 56.771898][ T970] ? jbd2__journal_start (include/linux/slab.h:706 include/linux/jbd2.h:1603 fs/jbd2/transaction.c:481 fs/jbd2/transaction.c:508 fs/jbd2/transaction.c:490)
> [ 56.777072][ T970] ? ocfs2_insert_extent (fs/ocfs2/alloc.c:4777) ocfs2
> [ 56.782983][ T970] ? ocfs2_direct_IO (fs/ocfs2/aops.c:2450) ocfs2
> [ 56.788537][ T970] ? generic_file_direct_write (mm/filemap.c:3678)
> [ 56.794239][ T970] ? __generic_file_write_iter (mm/filemap.c:3838)
> [ 56.799934][ T970] ? ocfs2_file_write_iter (fs/ocfs2/file.c:2447) ocfs2
> [ 56.806018][ T970] ? __jbd2_journal_unfile_buffer (fs/jbd2/transaction.c:235)
> [ 56.811791][ T970] ? __x64_sys_io_submit (fs/aio.c:2056 fs/aio.c:2026 fs/aio.c:2026)
> [ 56.816982][ T970] ? do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
> [ 56.821445][ T970] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:113)
> [ 56.827416][ T970] ocfs2_add_inode_data (fs/ocfs2/file.c:545) ocfs2
> [ 56.833051][ T970] ? ocfs2_truncate_file (fs/ocfs2/file.c:542) ocfs2
> [ 56.839109][ T970] ? start_this_handle (arch/x86/include/asm/atomic.h:165 arch/x86/include/asm/atomic.h:178 include/linux/atomic/atomic-instrumented.h:147 include/asm-generic/qrwlock.h:109 include/linux/rwlock_api_smp.h:224 fs/jbd2/transaction.c:465)
> [ 56.844195][ T970] ocfs2_write_cluster+0xb16/0x13c0 ocfs2
> [ 56.850617][ T970] ? kasan_unpoison (mm/kasan/shadow.c:108 mm/kasan/shadow.c:142)
> [ 56.855150][ T970] ? ocfs2_map_page_blocks (fs/ocfs2/aops.c:1115) ocfs2
> [ 56.861243][ T970] ? mutex_unlock (arch/x86/include/asm/atomic64_64.h:190 include/linux/atomic/atomic-long.h:449 include/linux/atomic/atomic-instrumented.h:1790 kernel/locking/mutex.c:178 kernel/locking/mutex.c:537)
> [ 56.865722][ T970] ? jbd2_journal_get_write_access (fs/jbd2/transaction.c:1226)
> [ 56.871678][ T970] ? __ocfs2_journal_access (fs/ocfs2/journal.c:703) ocfs2
> [ 56.877849][ T970] ? ocfs2_complete_recovery (fs/ocfs2/journal.c:638) ocfs2
> [ 56.884105][ T970] ? _raw_spin_lock (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:82 include/linux/spinlock.h:185 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
> [ 56.888723][ T970] ocfs2_write_begin_nolock (fs/ocfs2/aops.c:1249 fs/ocfs2/aops.c:1819) ocfs2
> [ 56.895063][ T970] ? ocfs2_size_fits_inline_data (fs/ocfs2/aops.c:1651) ocfs2
> [ 56.901458][ T970] ? ocfs2_read_inode_block_full (fs/ocfs2/inode.c:1597) ocfs2
> [ 56.907975][ T970] ? ocfs2_refresh_inode (fs/ocfs2/inode.c:1589) ocfs2
> [ 56.913877][ T970] ? __raw_callee_save___native_queued_spin_unlock (??:?)
> [ 56.921140][ T970] ? ocfs2_inode_lock_full_nested (fs/ocfs2/dlmglue.c:2412 fs/ocfs2/dlmglue.c:2507) ocfs2
> [ 56.927847][ T970] ? ocfs2_allocate_extend_trans (fs/ocfs2/journal.c:712) ocfs2
> [ 56.934787][ T970] ? down_write_killable (kernel/locking/rwsem.c:1512)
> [ 56.939927][ T970] ocfs2_dio_wr_get_block (fs/ocfs2/aops.c:2229) ocfs2
> [ 56.946011][ T970] ? iov_iter_get_pages (lib/iov_iter.c:1543)
> [ 56.951063][ T970] ? ocfs2_write_end_nolock (fs/ocfs2/aops.c:2130) ocfs2
> [ 56.957409][ T970] ? iov_iter_get_pages_alloc (lib/iov_iter.c:1521)
> [ 56.963162][ T970] ? __kasan_init_slab_obj (mm/kasan/common.c:327)
> [ 56.968329][ T970] ? allocate_slab (mm/slub.c:376 mm/slub.c:1904 mm/slub.c:1970)
> [ 56.972967][ T970] do_direct_IO (fs/direct-io.c:673 fs/direct-io.c:955)
> [ 56.977446][ T970] ? _raw_write_lock_irq (kernel/locking/spinlock.c:153)
> [ 56.982584][ T970] ? kasan_unpoison (mm/kasan/shadow.c:108 mm/kasan/shadow.c:142)
> [ 56.987139][ T970] ? do_blockdev_direct_IO (fs/direct-io.c:1152)
> [ 56.992542][ T970] do_blockdev_direct_IO (fs/direct-io.c:1270)
> [ 56.997794][ T970] ? ocfs2_dio_end_io_write (fs/ocfs2/aops.c:2400) ocfs2
> [ 57.003931][ T970] ? do_direct_IO (fs/direct-io.c:1129)
> [ 57.008655][ T970] ? native_queued_spin_lock_slowpath (arch/x86/include/asm/atomic.h:29 include/linux/atomic/atomic-instrumented.h:28 arch/x86/include/asm/qspinlock.h:25 kernel/locking/qspinlock.c:352)
> [ 57.014963][ T970] ? ocfs2_read_blocks_sync (fs/ocfs2/buffer_head_io.c:197) ocfs2
> [ 57.021110][ T970] ? .slowpath (kernel/locking/qspinlock.c:316)
> [ 57.025060][ T970] ? truncate_pagecache_range (mm/truncate.c:625)
> [ 57.030493][ T970] ? _raw_spin_lock (arch/x86/include/asm/paravirt.h:591 arch/x86/include/asm/qspinlock.h:51 include/asm-generic/qspinlock.h:85 include/linux/spinlock.h:185 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
> [ 57.035115][ T970] ? _raw_write_lock_irq (kernel/locking/spinlock.c:153)
> [ 57.040278][ T970] ? ocfs2_write_end_nolock (fs/ocfs2/aops.c:2130) ocfs2
> [ 57.046615][ T970] ? filemap_fdatawait_keep_errors (mm/filemap.c:714)
> [ 57.052455][ T970] ? __mark_inode_dirty (include/linux/spinlock.h:202 include/linux/spinlock_api_smp.h:142 include/linux/spinlock.h:389 fs/fs-writeback.c:2480)
> [ 57.057533][ T970] ? generic_update_time (fs/inode.c:1784)
> [ 57.062673][ T970] ocfs2_direct_IO (fs/ocfs2/aops.c:2450) ocfs2
> [ 57.068057][ T970] generic_file_direct_write (mm/filemap.c:3678)
> [ 57.073584][ T970] __generic_file_write_iter (mm/filemap.c:3838)
> [ 57.079089][ T970] ocfs2_file_write_iter (fs/ocfs2/file.c:2447) ocfs2
> [ 57.085018][ T970] ? ocfs2_prepare_inode_for_write+0x880/0x880 ocfs2
> [ 57.092410][ T970] ? stack_trace_save (kernel/stacktrace.c:123)
> [ 57.097141][ T970] aio_write (fs/aio.c:1497 fs/aio.c:1578)
> [ 57.101265][ T970] ? aio_prep_rw (fs/aio.c:1545)
> [ 57.105713][ T970] ? kasan_save_stack (mm/kasan/common.c:41)
> [ 57.110444][ T970] ? kasan_save_stack (mm/kasan/common.c:38)
> [ 57.115159][ T970] ? __kasan_slab_alloc (mm/kasan/common.c:46 mm/kasan/common.c:437 mm/kasan/common.c:470)
> [ 57.120054][ T970] ? io_submit_one (fs/aio.c:1029 fs/aio.c:1993)
> [ 57.124673][ T970] ? __x64_sys_io_submit (fs/aio.c:2056 fs/aio.c:2026 fs/aio.c:2026)
> [ 57.129848][ T970] ? do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
> [ 57.134330][ T970] ? tcp_mtu_probe (include/linux/skbuff.h:1464 net/ipv4/tcp_output.c:2393)
> [ 57.139148][ T970] ? _raw_spin_lock_irqsave (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:82 include/linux/spinlock.h:185 include/linux/spinlock_api_smp.h:111 kernel/locking/spinlock.c:162)
> [ 57.144496][ T970] ? get_random_u32 (drivers/char/random.c:2219)
> [ 57.149150][ T970] ? __kasan_init_slab_obj (mm/kasan/common.c:327)
> [ 57.154324][ T970] ? setup_object+0x17/0xc0
> [ 57.159307][ T970] ? __io_submit_one+0xa7d/0x1040
> [ 57.165233][ T970] __io_submit_one+0xa7d/0x1040
> [ 57.170982][ T970] ? aio_poll_complete_work (fs/aio.c:1913)
> [ 57.176587][ T970] ? kasan_unpoison (mm/kasan/shadow.c:108 mm/kasan/shadow.c:142)
> [ 57.181138][ T970] ? __kasan_slab_alloc (mm/kasan/common.c:46 mm/kasan/common.c:437 mm/kasan/common.c:470)
> [ 57.186018][ T970] ? __get_reqs_available (arch/x86/include/asm/atomic.h:196 include/linux/atomic/atomic-instrumented.h:504 fs/aio.c:934)
> [ 57.191270][ T970] io_submit_one (include/linux/instrumented.h:101 include/linux/atomic/atomic-instrumented.h:176 include/linux/refcount.h:272 include/linux/refcount.h:315 include/linux/refcount.h:333 fs/aio.c:1162 fs/aio.c:2000)
> [ 57.195803][ T970] ? exc_page_fault (arch/x86/include/asm/irqflags.h:40 arch/x86/include/asm/irqflags.h:75 arch/x86/mm/fault.c:1493 arch/x86/mm/fault.c:1541)
> [ 57.200361][ T970] ? asm_exc_page_fault (arch/x86/include/asm/idtentry.h:568)
> [ 57.205241][ T970] ? __io_submit_one+0x1040/0x1040
> [ 57.211282][ T970] ? __get_user_4 (arch/x86/lib/getuser.S:85)
> [ 57.215676][ T970] __x64_sys_io_submit (fs/aio.c:2056 fs/aio.c:2026 fs/aio.c:2026)
> [ 57.220676][ T970] ? __ia32_compat_sys_io_submit (fs/aio.c:2026)
> [ 57.226533][ T970] ? switch_fpu_return (arch/x86/include/asm/bitops.h:75 include/asm-generic/bitops/instrumented-atomic.h:42 include/linux/thread_info.h:94 arch/x86/kernel/fpu/context.h:80 arch/x86/kernel/fpu/core.c:664)
> [ 57.231414][ T970] ? exit_to_user_mode_prepare (arch/x86/include/asm/entry-common.h:58 kernel/entry/common.c:209)
> [ 57.237108][ T970] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
>
>
> To reproduce:
>
> git clone https://github.com/intel/lkp-tests.git
> cd lkp-tests
> sudo bin/lkp install job.yaml # job file is attached in this email
> bin/lkp split-job --compatible job.yaml # generate the yaml file for lkp run
> sudo bin/lkp run generated-yaml-file
>
> # if come across any failure that blocks the test,
> # please remove ~/.lkp and /lkp dir to run from a clean state.
>
>
>
> ---
> 0DAY/LKP+ Test Infrastructure Open Source Technology Center
> https://lists.01.org/hyperkitty/list/[email protected] Intel Corporation
>
> Thanks,
> Oliver Sang
>