Hi robot :)
Please ignore this patch, this is not an official patch,
have already discussed this with Dave and sent v2 [1] with
this one removed.
[1]:
https://lore.kernel.org/linux-xfs/20230421113716.1890274-1-guoxuenan@xxxxxxxxxx/
Thanks
Xuenan
On 2023/5/5 16:16, kernel test robot wrote:
Hello,
kernel test robot noticed "BUG_xfs_ili(Tainted:G_I):Objects_remaining_in_xfs_ili_on__kmem_cache_shutdown()" on:
commit: c7c1088ea2d15f5020656c1bdd8f4805ef93cc09 ("[PATCH 1/3] xfs: fix leak memory when xfs_attr_inactive fails")
url: https://github.com/intel-lab-lkp/linux/commits/Guo-Xuenan/xfs-fix-leak-memory-when-xfs_attr_inactive-fails/20230421-115047
base: https://git.kernel.org/cgit/fs/xfs/xfs-linux.git for-next
patch link: https://lore.kernel.org/all/20230421033142.1656296-2-guoxuenan@xxxxxxxxxx/
patch subject: [PATCH 1/3] xfs: fix leak memory when xfs_attr_inactive fails
in testcase: xfstests
version: xfstests-x86_64-06c027a-1_20230501
with following parameters:
disk: 4HDD
fs: xfs
test: xfs-reflink-rmapbt
compiler: gcc-11
test machine: 4 threads Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz (Skylake) with 32G memory
(please refer to attached dmesg/kmsg for entire log/backtrace)
If you fix the issue, kindly add following tag
| Reported-by: kernel test robot <yujie.liu@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-lkp/202305051403.a18c1919-yujie.liu@xxxxxxxxx
[ 154.351061][ T7053] =============================================================================
[ 154.359924][ T7053] BUG xfs_ili (Tainted: G I ): Objects remaining in xfs_ili on __kmem_cache_shutdown()
[ 154.370673][ T7053] -----------------------------------------------------------------------------
[ 154.370673][ T7053]
[ 154.381678][ T7053] Slab 0x000000003de97eaf objects=31 used=1 fp=0x00000000942c6f8b flags=0x17ffffc0010200(slab|head|node=0|zone=2|lastcpupid=0x1fffff)
[ 154.395197][ T7053] CPU: 0 PID: 7053 Comm: modprobe Tainted: G I 6.3.0-rc6-00128-gc7c1088ea2d1 #1
[ 154.405427][ T7053] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.1.1 10/07/2015
[ 154.413492][ T7053] Call Trace:
[ 154.416624][ T7053] <TASK>
[ 154.419408][ T7053] dump_stack_lvl (lib/dump_stack.c:107 (discriminator 1))
[ 154.423755][ T7053] slab_err (mm/slub.c:995)
[ 154.427583][ T7053] ? _raw_spin_lock_irq (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:186 include/linux/spinlock_api_smp.h:120 kernel/locking/spinlock.c:170)
[ 154.432447][ T7053] ? _raw_spin_lock_bh (kernel/locking/spinlock.c:169)
[ 154.437225][ T7053] ? start_poll_synchronize_srcu (kernel/rcu/srcutree.c:1306)
[ 154.442867][ T7053] __kmem_cache_shutdown (include/linux/spinlock.h:350 mm/slub.c:4555 mm/slub.c:4586 mm/slub.c:4618)
[ 154.447989][ T7053] kmem_cache_destroy (mm/slab_common.c:457 mm/slab_common.c:497 mm/slab_common.c:480)
[ 154.452766][ T7053] xfs_destroy_caches (fs/xfs/xfs_super.c:2208) xfs
[ 154.458274][ T7053] exit_xfs_fs (fs/xfs/./xfs_trace.h:134) xfs
[ 154.463081][ T7053] __do_sys_delete_module+0x2ea/0x530
[ 154.469330][ T7053] ? module_flags (kernel/module/main.c:694)
[ 154.473848][ T7053] ? __fget_light (include/linux/atomic/atomic-arch-fallback.h:227 include/linux/atomic/atomic-instrumented.h:35 fs/file.c:1016)
[ 154.478279][ T7053] ? __blkcg_punt_bio_submit (block/blk-cgroup.c:1840)
[ 154.483749][ T7053] ? _raw_spin_lock (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:186 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[ 154.488267][ T7053] ? _raw_write_lock_irq (kernel/locking/spinlock.c:153)
[ 154.493216][ T7053] ? exit_to_user_mode_loop (include/linux/sched.h:2326 include/linux/resume_user_mode.h:61 kernel/entry/common.c:171)
[ 154.498513][ T7053] ? exit_to_user_mode_prepare (kernel/entry/common.c:204)
[ 154.503982][ T7053] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 154.508247][ T7053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
[ 154.513983][ T7053] RIP: 0033:0x7f97ecfcc417
[ 154.518250][ T7053] Code: 73 01 c3 48 8b 0d 79 1a 0d 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 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 49 1a 0d 00 f7 d8 64 89 01 48
All code
========
0: 73 01 jae 0x3
2: c3 ret
3: 48 8b 0d 79 1a 0d 00 mov 0xd1a79(%rip),%rcx # 0xd1a83
a: f7 d8 neg %eax
c: 64 89 01 mov %eax,%fs:(%rcx)
f: 48 83 c8 ff or $0xffffffffffffffff,%rax
13: c3 ret
14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
1b: 00 00 00
1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
23: b8 b0 00 00 00 mov $0xb0,%eax
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
30: 73 01 jae 0x33
32: c3 ret
33: 48 8b 0d 49 1a 0d 00 mov 0xd1a49(%rip),%rcx # 0xd1a83
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 01 jae 0x9
8: c3 ret
9: 48 8b 0d 49 1a 0d 00 mov 0xd1a49(%rip),%rcx # 0xd1a59
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[ 154.537679][ T7053] RSP: 002b:00007ffcbb650898 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[ 154.545918][ T7053] RAX: ffffffffffffffda RBX: 000055c4d9f84d30 RCX: 00007f97ecfcc417
[ 154.553722][ T7053] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055c4d9f84d98
[ 154.561525][ T7053] RBP: 000055c4d9f84d30 R08: 0000000000000000 R09: 0000000000000000
[ 154.569329][ T7053] R10: 00007f97ed04cac0 R11: 0000000000000206 R12: 000055c4d9f84d98
[ 154.577135][ T7053] R13: 0000000000000000 R14: 0000000000000000 R15: 000055c4d9f84e40
[ 154.584940][ T7053] </TASK>
[ 154.587811][ T7053] Disabling lock debugging due to kernel taint
[ 154.593798][ T7053] Object 0x0000000094871ff8 @offset=792
[ 154.599243][ T7053] ------------[ cut here ]------------
[ 154.604558][ T7053] kmem_cache_destroy xfs_ili: Slab cache still has objects when called from xfs_destroy_caches (fs/xfs/xfs_super.c:2208) xfs
[ 154.604737][ T7053] WARNING: CPU: 0 PID: 7053 at mm/slab_common.c:497 kmem_cache_destroy (mm/slab_common.c:497 mm/slab_common.c:480)
[ 154.625565][ T7053] Modules linked in: xfs(-) dm_mod ipmi_devintf ipmi_msghandler intel_rapl_msr btrfs intel_rapl_common blake2b_generic xor x86_pkg_temp_thermal raid6_pq intel_powerclamp zstd_compress coretemp libcrc32c kvm_intel kvm sd_mod irqbypass t10_pi crct10dif_pclmul crc32_pclmul crc64_rocksoft_generic crc64_rocksoft crc64 crc32c_intel sg ghash_clmulni_intel i915 sha512_ssse3 mei_wdt wmi_bmof drm_buddy intel_gtt rapl drm_display_helper intel_cstate intel_uncore ahci drm_kms_helper libahci mei_me syscopyarea intel_pch_thermal sysfillrect sysimgblt libata mei ttm video wmi intel_pmc_core acpi_pad fuse drm ip_tables [last unloaded: xfs]
[ 154.682341][ T7053] CPU: 0 PID: 7053 Comm: modprobe Tainted: G B I 6.3.0-rc6-00128-gc7c1088ea2d1 #1
[ 154.692603][ T7053] Hardware name: Dell Inc. OptiPlex 7040/0Y7WYT, BIOS 1.1.1 10/07/2015
[ 154.700684][ T7053] RIP: 0010:kmem_cache_destroy (mm/slab_common.c:497 mm/slab_common.c:480)
[ 154.706332][ T7053] Code: 89 ef 5b 5d 41 5c 41 5d e9 2d a2 13 00 c3 48 8b 55 60 48 8b 4c 24 20 48 c7 c6 40 db b2 83 48 c7 c7 f0 83 13 84 e8 60 2b 9e ff <0f> 0b eb ab 66 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa 55 48
All code
========
0: 89 ef mov %ebp,%edi
2: 5b pop %rbx
3: 5d pop %rbp
4: 41 5c pop %r12
6: 41 5d pop %r13
8: e9 2d a2 13 00 jmp 0x13a23a
d: c3 ret
e: 48 8b 55 60 mov 0x60(%rbp),%rdx
12: 48 8b 4c 24 20 mov 0x20(%rsp),%rcx
17: 48 c7 c6 40 db b2 83 mov $0xffffffff83b2db40,%rsi
1e: 48 c7 c7 f0 83 13 84 mov $0xffffffff841383f0,%rdi
25: e8 60 2b 9e ff call 0xffffffffff9e2b8a
2a:* 0f 0b ud2 <-- trapping instruction
2c: eb ab jmp 0xffffffffffffffd9
2e: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
35: 00 00 00 00
39: 90 nop
3a: f3 0f 1e fa endbr64
3e: 55 push %rbp
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 0f 0b ud2
2: eb ab jmp 0xffffffffffffffaf
4: 66 66 2e 0f 1f 84 00 data16 cs nopw 0x0(%rax,%rax,1)
b: 00 00 00 00
f: 90 nop
10: f3 0f 1e fa endbr64
14: 55 push %rbp
15: 48 rex.W
[ 154.725739][ T7053] RSP: 0018:ffffc90000827e08 EFLAGS: 00010286
[ 154.731643][ T7053] RAX: 0000000000000000 RBX: 1ffff92000104fc8 RCX: 0000000000000027
[ 154.739452][ T7053] RDX: 0000000000000027 RSI: 0000000000000004 RDI: ffff888731428708
[ 154.747270][ T7053] RBP: ffff888865b8aa00 R08: 0000000000000001 R09: ffff88873142870b
[ 154.755088][ T7053] R10: ffffed10e62850e1 R11: 0000000000000001 R12: 0000000048020000
[ 154.762909][ T7053] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[ 154.770731][ T7053] FS: 00007f97ecea7540(0000) GS:ffff888731400000(0000) knlGS:0000000000000000
[ 154.779497][ T7053] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 154.785920][ T7053] CR2: 00007ffcbb64d768 CR3: 00000002088a4003 CR4: 00000000003706f0
[ 154.793730][ T7053] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 154.801537][ T7053] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 154.809362][ T7053] Call Trace:
[ 154.812497][ T7053] <TASK>
[ 154.815286][ T7053] xfs_destroy_caches (fs/xfs/xfs_super.c:2208) xfs
[ 154.820860][ T7053] exit_xfs_fs (fs/xfs/./xfs_trace.h:134) xfs
[ 154.825737][ T7053] __do_sys_delete_module+0x2ea/0x530
[ 154.832007][ T7053] ? module_flags (kernel/module/main.c:694)
[ 154.836531][ T7053] ? __fget_light (include/linux/atomic/atomic-arch-fallback.h:227 include/linux/atomic/atomic-instrumented.h:35 fs/file.c:1016)
[ 154.840967][ T7053] ? __blkcg_punt_bio_submit (block/blk-cgroup.c:1840)
[ 154.846442][ T7053] ? _raw_spin_lock (arch/x86/include/asm/atomic.h:202 include/linux/atomic/atomic-instrumented.h:543 include/asm-generic/qspinlock.h:111 include/linux/spinlock.h:186 include/linux/spinlock_api_smp.h:134 kernel/locking/spinlock.c:154)
[ 154.850962][ T7053] ? _raw_write_lock_irq (kernel/locking/spinlock.c:153)
[ 154.855919][ T7053] ? exit_to_user_mode_loop (include/linux/sched.h:2326 include/linux/resume_user_mode.h:61 kernel/entry/common.c:171)
[ 154.861220][ T7053] ? exit_to_user_mode_prepare (kernel/entry/common.c:204)
[ 154.866693][ T7053] do_syscall_64 (arch/x86/entry/common.c:50 arch/x86/entry/common.c:80)
[ 154.870955][ T7053] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:120)
[ 154.876689][ T7053] RIP: 0033:0x7f97ecfcc417
[ 154.880950][ T7053] Code: 73 01 c3 48 8b 0d 79 1a 0d 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 b8 b0 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d 49 1a 0d 00 f7 d8 64 89 01 48
All code
========
0: 73 01 jae 0x3
2: c3 ret
3: 48 8b 0d 79 1a 0d 00 mov 0xd1a79(%rip),%rcx # 0xd1a83
a: f7 d8 neg %eax
c: 64 89 01 mov %eax,%fs:(%rcx)
f: 48 83 c8 ff or $0xffffffffffffffff,%rax
13: c3 ret
14: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1)
1b: 00 00 00
1e: 0f 1f 44 00 00 nopl 0x0(%rax,%rax,1)
23: b8 b0 00 00 00 mov $0xb0,%eax
28: 0f 05 syscall
2a:* 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax <-- trapping instruction
30: 73 01 jae 0x33
32: c3 ret
33: 48 8b 0d 49 1a 0d 00 mov 0xd1a49(%rip),%rcx # 0xd1a83
3a: f7 d8 neg %eax
3c: 64 89 01 mov %eax,%fs:(%rcx)
3f: 48 rex.W
Code starting with the faulting instruction
===========================================
0: 48 3d 01 f0 ff ff cmp $0xfffffffffffff001,%rax
6: 73 01 jae 0x9
8: c3 ret
9: 48 8b 0d 49 1a 0d 00 mov 0xd1a49(%rip),%rcx # 0xd1a59
10: f7 d8 neg %eax
12: 64 89 01 mov %eax,%fs:(%rcx)
15: 48 rex.W
[ 154.900357][ T7053] RSP: 002b:00007ffcbb650898 EFLAGS: 00000206 ORIG_RAX: 00000000000000b0
[ 154.908626][ T7053] RAX: ffffffffffffffda RBX: 000055c4d9f84d30 RCX: 00007f97ecfcc417
[ 154.916435][ T7053] RDX: 0000000000000000 RSI: 0000000000000800 RDI: 000055c4d9f84d98
[ 154.924243][ T7053] RBP: 000055c4d9f84d30 R08: 0000000000000000 R09: 0000000000000000
[ 154.932053][ T7053] R10: 00007f97ed04cac0 R11: 0000000000000206 R12: 000055c4d9f84d98
[ 154.939862][ T7053] R13: 0000000000000000 R14: 0000000000000000 R15: 000055c4d9f84e40
[ 154.947670][ T7053] </TASK>
[ 154.950544][ T7053] ---[ end trace 0000000000000000 ]---
