------------[ cut here ]------------
[   28.961601] page_counter underflow: -188 nr_pages=252
[   28.962109] WARNING: CPU: 2 PID: 1 at mm/page_counter.c:60 page_counter_cancel+0xb0/0xc0
[   28.962856] Modules linked in: ip_tables x_tables
[   28.963307] CPU: 2 UID: 0 PID: 1 Comm: systemd Not tainted 6.15.0-rc4-next-20250429 #1 PREEMPT 
[   28.964086] Hardware name: Radxa ROCK Pi 4B (DT)
[   28.964503] pstate: 600000c5 (nZCv daIF -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   28.965129] pc : page_counter_cancel+0xb0/0xc0
[   28.965542] lr : page_counter_cancel+0xb0/0xc0
[   28.965955] sp : ffff8000830ebb70
[   28.966258] x29: ffff8000830ebb70 x28: 0000000000000001 x27: 0000000000000000
[   28.966916] x26: 0000000000001020 x25: 0000000000000000 x24: 0000000000000000
[   28.967572] x23: 0000000000000001 x22: ffff000001710000 x21: ffff0000f754ec98
[   28.968229] x20: 00000000000000fc x19: ffff000001710100 x18: 0000000000000000
[   28.968885] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   28.969541] x14: 0000000000000000 x13: 3235323d73656761 x12: 705f726e20383831
[   28.970197] x11: 2d203a776f6c6672 x10: ffff800082970060 x9 : ffff80008014e4c0
[   28.970854] x8 : ffff8000830eb8e8 x7 : ffff800082918060 x6 : 00000000ffffefff
[   28.971510] x5 : 00000000000001c2 x4 : 0000000000000000 x3 : 0000000000000000
[   28.972166] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000000c28000
[   28.972823] Call trace:
[   28.973051]  page_counter_cancel+0xb0/0xc0 (P)
[   28.973468]  page_counter_uncharge+0x34/0x58
[   28.973869]  drain_stock+0x74/0x88
[   28.974189]  refill_stock+0x1a4/0x1d8
[   28.974532]  obj_cgroup_uncharge_pages+0x78/0x190
[   28.974966]  refill_obj_stock+0x164/0x1c8
[   28.975340]  __memcg_slab_free_hook+0x110/0x200
[   28.975762]  kmem_cache_free+0x338/0x428
[   28.976133]  __fput+0x184/0x2f0
[   28.976435]  fput_close_sync+0x48/0x120
[   28.976799]  __arm64_sys_close+0x40/0x90
[   28.977167]  invoke_syscall+0x50/0x120
[   28.977526]  el0_svc_common.constprop.0+0x48/0xf0
[   28.977967]  do_el0_svc+0x24/0x38
[   28.978284]  el0_svc+0x38/0x100
[   28.978587]  el0t_64_sync_handler+0x10c/0x138
[   28.978996]  el0t_64_sync+0x198/0x1a0
[   28.979340] ---[ end trace 0000000000000000 ]---

tst_test.c:1900: TINFO: LTP version: 20250130
tst_test.c:1904: TINFO: Tested kernel: 6.15.0-rc4-next-20250429 #1 SMP PREEMPT @1745918549 aarch64
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: [ 1249.595737] loop0: detected capacity change from 0 to 2048
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)

tst_tmpdir.c:316: TINFO: Using /tmp/LTP_getSNRajM 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_getSNRajM/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: [ 1230.640526] loop0: detected capacity change from 0 to 614400