------------[ cut here ]------------
[    3.864318] WARNING: CPU: 1 PID: 1 at mm/page_counter.c:61 page_counter_cancel+0x178/0x17c
[    3.867007] page_counter underflow: -191 nr_pages=255
[    3.867300] Modules linked in:
[    3.868278] CPU: 1 UID: 0 PID: 1 Comm: systemd Not tainted 6.15.0-rc4-next-20250428 #1 NONE 
[    3.868666] Hardware name: Generic DT based system
[    3.868959] Call trace: 
[    3.869442]  unwind_backtrace from show_stack+0x28/0x2c
[    3.869835]  show_stack from dump_stack_lvl+0x68/0x80
[    3.870077]  dump_stack_lvl from __warn+0xe0/0x1e8
[    3.870265]  __warn from warn_slowpath_fmt+0x134/0x184
[    3.870569]  warn_slowpath_fmt from page_counter_cancel+0x178/0x17c
[    3.870800]  page_counter_cancel from page_counter_uncharge+0x2c/0x3c
[    3.871039]  page_counter_uncharge from refill_stock+0x2c8/0x3cc
[    3.871253]  refill_stock from obj_cgroup_uncharge_pages+0xfc/0x17c
[    3.871489]  obj_cgroup_uncharge_pages from __memcg_slab_free_hook+0xe0/0x134
[    3.871758]  __memcg_slab_free_hook from kmem_cache_free+0x308/0x3b8
[    3.871974]  kmem_cache_free from sys_close+0xe0/0x118
[    3.872213]  sys_close from ret_fast_syscall+0x0/0x1c
[    3.872436] Exception stack(0xf0825fa8 to 0xf0825ff0)
[    3.872691] 5fa0:                   004a2a50 00000000 0000001f 004a2a97 00000000 b691bf45
[    3.873008] 5fc0: 004a2a50 00000000 b69ef8bc 00000006 ffffff9c 00000000 00000000 000001a4
[    3.873259] 5fe0: 00000006 bee1a704 b696e02f b68df736
[    3.873553] ---[ end trace 0000000000000000 ]---

tst_tmpdir.c:316: TINFO: Using /tmp/LTP_getW4a8eD as tmpdir (tmpfs filesystem)
tst_device.c:96: TINFO: Found free device 0 '/dev/loop0'
tst_test.c:1170: TINFO: Formatting /dev/loop0 with xfs opts='' extra opts=''
tst_test.c:1182: TINFO: Mounting /dev/loop0 to /tmp/LTP_getW4a8eD/mntpoint fstyp=xfs flags=0
tst_test.c:1182: TBROK: mount(/dev/loop0, mntpoint, xfs, 0, (nil)) failed: ENODEV (19)

Summary:
passed   0
failed   0
broken   1
skipped  0
warnings 0

getxattr04 getxattr04
getxattr04: <12>[   53.207017] /usr/local/bin/kirk[269]: starting test getxattr04 (getxattr04)

tst_tmpdir.c:316: TINFO: Using /tmp/LTP_iocABqc6G as tmpdir (tmpfs filesystem)
tst_test.c:1900: TINFO: LTP version: 20250130
tst_test.c:1904: TINFO: Tested kernel: 6.15.0-rc4-next-20250428 #1 SMP @1745845955 armv7l
tst_kconfig.c:88: TINFO: Parsing kernel config '/proc/config.gz'
tst_kconfig.c:676: TINFO: CONFIG_TRACE_IRQFLAGS kernel option detected which might slow the execution
tst_test.c:1722: TINFO: Overall timeout per run is 0h 21m 36s
tst_device.c:96: TINFO: Found free device 0 '/dev/loop0'
ioctl_loop06.c:76: TINFO: Using LOOP_SET_BLOCK_SIZE with arg < 512
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)
ioctl_loop06.c:76: TINFO: Using LOOP_SET_BLOCK_SIZE with arg > PAGE_SIZE
ioctl_loop06.c:59: TFAIL: Set block size succeed unexpectedly
ioctl_loop06.c:76: TINFO: Using LOOP_SET_BLOCK_SIZE with arg != power_of_2
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)
ioctl_loop06.c:76: TINFO: Using LOOP_CONFIGURE with block_size < 512
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)
ioctl_loop06.c:76: TINFO: Using LOOP_CONFIGURE with block_size > PAGE_SIZE
ioctl_loop06.c:59: TFAIL: Set block size succeed unexpectedly
ioctl_loop06.c:76: TINFO: Using LOOP_CONFIGURE with block_size != power_of_2
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)

Summary:
passed   4
failed   2
broken   0
skipped  0
warnings 0

ioctl_loop06 ioctl_loop06
ioctl_loop06: <12>[   75.076257] /usr/local/bin/kirk[269]: starting test ioctl_loop06 (ioctl_loop06)
ioctl_loop06.c:76: TINFO: Using LOOP_SET_BLOCK_SIZE with arg < 512
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)
ioctl_loop06.c:76: TINFO: Using LOOP_SET_BLOCK_SIZE with arg > PAGE_SIZE
ioctl_loop06.c:59: TFAIL: Set block size succeed unexpectedly
ioctl_loop06.c:76: TINFO: Using LOOP_SET_BLOCK_SIZE with arg != power_of_2
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)
ioctl_loop06.c:76: TINFO: Using LOOP_CONFIGURE with block_size < 512
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)
ioctl_loop06.c:76: TINFO: Using LOOP_CONFIGURE with block_size > PAGE_SIZE
ioctl_loop06.c:59: TFAIL: Set block size succeed unexpectedly
ioctl_loop06.c:76: TINFO: Using LOOP_CONFIGURE with block_size != power_of_2
ioctl_loop06.c:67: TPASS: Set block size failed as expected: EINVAL (22)