------------[ cut here ]------------
[    4.680470] WARNING: CPU: 0 PID: 1 at mm/page_counter.c:61 page_counter_cancel+0x178/0x17c
[    4.683405] page_counter underflow: -191 nr_pages=255
[    4.683579] Modules linked in:
[    4.684619] CPU: 0 UID: 0 PID: 1 Comm: systemd Not tainted 6.15.0-rc4-next-20250429 #1 NONE 
[    4.684959] Hardware name: Generic DT based system
[    4.685193] Call trace: 
[    4.685725]  unwind_backtrace from show_stack+0x28/0x2c
[    4.685994]  show_stack from dump_stack_lvl+0x68/0x80
[    4.686119]  dump_stack_lvl from __warn+0xe0/0x1e8
[    4.686254]  __warn from warn_slowpath_fmt+0x12c/0x178
[    4.686616]  warn_slowpath_fmt from page_counter_cancel+0x178/0x17c
[    4.686866]  page_counter_cancel from page_counter_uncharge+0x2c/0x3c
[    4.687064]  page_counter_uncharge from refill_stock+0x2c8/0x3cc
[    4.687203]  refill_stock from obj_cgroup_uncharge_pages+0xfc/0x17c
[    4.687421]  obj_cgroup_uncharge_pages from __memcg_slab_free_hook+0xe0/0x134
[    4.687603]  __memcg_slab_free_hook from kmem_cache_free+0x300/0x3ac
[    4.687713]  kmem_cache_free from sys_close+0xe0/0x118
[    4.687923]  sys_close from ret_fast_syscall+0x0/0x1c
[    4.688234] Exception stack(0xf0825fa8 to 0xf0825ff0)
[    4.688396] 5fa0:                   00492a50 00000000 0000001f 00492a97 00000000 b694bf45
[    4.688662] 5fc0: 00492a50 00000000 b6a1f8bc 00000006 ffffff9c 00000000 00000000 000001a4
[    4.688904] 5fe0: 00000006 bec27704 b699e02f b690f736
[    4.689126] ---[ end trace 0000000000000000 ]---

tst_tmpdir.c:316: TINFO: Using /tmp/LTP_getIQUk92 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_getIQUk92/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>[   72.220928] /usr/local/bin/kirk[269]: starting test getxattr04 (getxattr04)

tst_tmpdir.c:316: TINFO: Using /tmp/LTP_iocyxOiZ8 as tmpdir (tmpfs filesystem)
tst_test.c:1900: TINFO: LTP version: 20250130
tst_test.c:1904: TINFO: Tested kernel: 6.15.0-rc4-next-20250429 #1 SMP @1745918547 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>[  102.040406] /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)