------------[ cut here ]------------
[   21.550803] page_counter underflow: -189 nr_pages=253
[   21.550871] WARNING: CPU: 3 PID: 1 at mm/page_counter.c:60 page_counter_cancel+0xb0/0xc0
[   21.550909] Modules linked in: ip_tables x_tables
[   21.550938] CPU: 3 UID: 0 PID: 1 Comm: systemd Not tainted 6.15.0-rc4-next-20250429 #1 PREEMPT_RT 
[   21.550955] Hardware name: Radxa ROCK Pi 4B (DT)
[   21.550962] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)
[   21.550976] pc : page_counter_cancel+0xb0/0xc0
[   21.550994] lr : page_counter_cancel+0xb0/0xc0
[   21.551012] sp : ffff8000830bbb80
[   21.551018] x29: ffff8000830bbb80 x28: 0000000000000100 x27: 00000000000010e0
[   21.551039] x26: 0000000000000001 x25: 0000000000000006 x24: 00000000fffffef8
[   21.551060] x23: ffff8000827cca40 x22: 0000000000000001 x21: ffff0000f7570a48
[   21.551081] x20: 00000000000000fd x19: ffff000001f20100 x18: 0000000000000000
[   21.551101] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
[   21.551121] x14: 0000000000000000 x13: 00000000ffffffff x12: 646e75207265746e
[   21.551141] x11: 656820747563205b x10: ffff80008294ba98 x9 : ffff80008014a1b4
[   21.551162] x8 : ffff8000830bb7c8 x7 : 0000000000000001 x6 : ffff8000828ce000
[   21.551182] x5 : ffff000000c20000 x4 : 0000000000000000 x3 : 0000000000000027
[   21.551202] x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff000000c20000
[   21.551223] Call trace:
[   21.551229]  page_counter_cancel+0xb0/0xc0 (P)
[   21.551251]  page_counter_uncharge+0x34/0x58
[   21.551272]  drain_stock+0x74/0x88
[   21.551287]  refill_stock+0x154/0x1a8
[   21.551301]  obj_cgroup_uncharge_pages+0x78/0x190
[   21.551318]  refill_obj_stock+0x120/0x1b0
[   21.551333]  __memcg_slab_free_hook+0x110/0x200
[   21.551352]  kmem_cache_free+0x388/0x460
[   21.551370]  __fput+0x184/0x2f0
[   21.551390]  fput_close_sync+0x48/0x120
[   21.551409]  __arm64_sys_close+0x40/0x90
[   21.551427]  invoke_syscall+0x50/0x120
[   21.551450]  el0_svc_common.constprop.0+0x48/0xf0
[   21.551472]  do_el0_svc+0x24/0x38
[   21.551493]  el0_svc+0x38/0x100
[   21.551512]  el0t_64_sync_handler+0x10c/0x138
[   21.551532]  el0t_64_sync+0x198/0x1a0
[   21.551549] ---[ end trace 0000000000000000 ]---

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: [ 1640.938246] /usr/local/bin/kirk[604]: 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)

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: [ 1605.269444] loop0: detected capacity change from 0 to 614400