Greeting,

FYI, we noticed canonical_address#:#[##] due to commit (built with gcc-11):

commit: 6919cda8e0f127fe773cad2553f0648de1c48445 ("mm, netfs, fscache: Stop read optimisation when folio removed from pagecache")
https://github.com/ammarfaizi2/linux-block dhowells/linux-fs/fscache-fixes

in testcase: vm-scalability
version: vm-scalability-x86_64-1.0-0_20220518
with following parameters:

	thp_enabled: never
	thp_defrag: never
	nr_task: 64
	nr_pmem: 4
	priority: 1
	test: swap-w-seq
	cpufreq_governor: performance

test-description: The motivation behind this suite is to exercise functions and regions of the mm/ of the Linux kernel which are of interest to us.
test-url: https://git.kernel.org/cgit/linux/kernel/git/wfg/vm-scalability.git/


on test machine: 144 threads 4 sockets Intel(R) Xeon(R) CPU E7-8890 v3 @ 2.50GHz (Haswell-EX) with 512G 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 <oliver.sang@intel.com>
| Link: https://lore.kernel.org/oe-lkp/202212112131.994277de-oliver.sang@intel.com


[   67.400229][ T1600] /lkp/lkp/src/bin/run-lkp: 66: echo_to_tty: not found
[   67.400236][ T1600]
[   67.410835][ T1600] Events disabled
[   67.410839][ T1600]
[   67.688429][ T6678] Scheduler tracepoints stat_sleep, stat_iowait, stat_blocked and stat_runtime require the kernel parameter schedstats=enable or kernel.sched_schedstats=1
[   67.808556][  T924] general protection fault, probably for non-canonical address 0xb000000000000048: 0000 [#1] SMP PTI
[   67.820666][  T924] CPU: 72 PID: 924 Comm: kswapd0 Not tainted 6.1.0-rc5-00020-g6919cda8e0f1 #1
[   67.830527][  T924] Hardware name: Intel Corporation BRICKLAND/BRICKLAND, BIOS BRHSXSD1.86B.0067.R02.1507221722 07/22/2015
[ 67.843012][ T924] RIP: 0010:filemap_release_folio (kbuild/src/consumer/mm/filemap.c:3949 (discriminator 1)) 
[ 67.849545][ T924] Code: 00 48 8b 07 48 8b 57 18 83 e0 01 74 59 48 f7 07 00 60 00 00 74 22 48 8b 07 f6 c4 80 75 32 48 85 d2 74 34 48 8b 82 90 00 00 00 <48> 8b 40 48 48 85 c0 74 24 e9 c4 c1 d2 00 48 85 d2 74 1f 48 8b 8a
All code
========
   0:	00 48 8b             	add    %cl,-0x75(%rax)
   3:	07                   	(bad)  
   4:	48 8b 57 18          	mov    0x18(%rdi),%rdx
   8:	83 e0 01             	and    $0x1,%eax
   b:	74 59                	je     0x66
   d:	48 f7 07 00 60 00 00 	testq  $0x6000,(%rdi)
  14:	74 22                	je     0x38
  16:	48 8b 07             	mov    (%rdi),%rax
  19:	f6 c4 80             	test   $0x80,%ah
  1c:	75 32                	jne    0x50
  1e:	48 85 d2             	test   %rdx,%rdx
  21:	74 34                	je     0x57
  23:	48 8b 82 90 00 00 00 	mov    0x90(%rdx),%rax
  2a:*	48 8b 40 48          	mov    0x48(%rax),%rax		<-- trapping instruction
  2e:	48 85 c0             	test   %rax,%rax
  31:	74 24                	je     0x57
  33:	e9 c4 c1 d2 00       	jmpq   0xd2c1fc
  38:	48 85 d2             	test   %rdx,%rdx
  3b:	74 1f                	je     0x5c
  3d:	48                   	rex.W
  3e:	8b                   	.byte 0x8b
  3f:	8a                   	.byte 0x8a

Code starting with the faulting instruction
===========================================
   0:	48 8b 40 48          	mov    0x48(%rax),%rax
   4:	48 85 c0             	test   %rax,%rax
   7:	74 24                	je     0x2d
   9:	e9 c4 c1 d2 00       	jmpq   0xd2c1d2
   e:	48 85 d2             	test   %rdx,%rdx
  11:	74 1f                	je     0x32
  13:	48                   	rex.W
  14:	8b                   	.byte 0x8b
  15:	8a                   	.byte 0x8a
[   67.871488][  T924] RSP: 0018:ffffc900061efb28 EFLAGS: 00010246
[   67.878209][  T924] RAX: b000000000000000 RBX: ffffc900061efc08 RCX: 00ffff889f0005be
[   67.887094][  T924] RDX: ffff889f03987f71 RSI: 0000000000000cc0 RDI: ffffea007c573840
[   67.891233][ T1600] ------------------------------------------------------------
[   67.895832][  T924] RBP: ffffc900061efb98 R08: ffff88be945000c0 R09: 0000000000000001
[   67.895833][  T924] R10: ffff88a07ffd5000 R11: 0000000000030900 R12: ffffc900061efc1c
[   67.895835][  T924] R13: ffffea007c573840 R14: ffffea007c573848 R15: ffffc900061efe10
[   67.895837][  T924] FS:  0000000000000000(0000) GS:ffff88a077880000(0000) knlGS:0000000000000000
[   67.895838][  T924] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.895840][  T924] CR2: 000055d74170e000 CR3: 000000807ee0a002 CR4: 00000000001706e0
[   67.895841][  T924] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   67.895842][  T924] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   67.895844][  T924] Call Trace:
[   67.904106][ T1600]
[   67.912835][  T924]  <TASK>
[ 67.912837][ T924] shrink_folio_list (kbuild/src/consumer/mm/vmscan.c:1982) 
[ 67.912848][ T924] shrink_inactive_list (kbuild/src/consumer/include/linux/spinlock.h:375 kbuild/src/consumer/mm/vmscan.c:2491) 
[   67.921991][ T1600] perf_event_attr:


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.



-- 
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https://01.org/lkp