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Date
June 6, 2025, 6:11 a.m.

Environment
qemu-armv7
x15 

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[   67.568456] WARNING: CPU: 0 PID: 580 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   67.572082] Modules linked in: nfnetlink ip_tables x_tables
[   67.573712] CPU: 0 UID: 0 PID: 580 Comm: uffd-unit-tests Not tainted 6.15.0-next-20250606 #1 NONE 
[   67.574336] Hardware name: Generic DT based system
[   67.575191] Call trace: 
[   67.575677]  unwind_backtrace from show_stack+0x10/0x14
[   67.576357]  show_stack from dump_stack_lvl+0x50/0x5c
[   67.576814]  dump_stack_lvl from __warn+0xd8/0x1e0
[   67.577228]  __warn from warn_slowpath_fmt+0xa8/0x174
[   67.577773]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   67.578800]  kunmap_local_indexed from move_pages_pte+0xc40/0xf48
[   67.579526]  move_pages_pte from move_pages+0x428/0x5bc
[   67.579851]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   67.580427]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   67.580975]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   67.581614] Exception stack(0xf5b45fa8 to 0xf5b45ff0)
[   67.582284] 5fa0:                   00001000 00000005 00000005 c028aa05 b2d3ecd8 b2d3ecc8
[   67.582876] 5fc0: 00001000 00000005 b2d3ece0 00000036 b2d3ed84 b2d3ed50 b2d3ed7c b2d3ed58
[   67.583402] 5fe0: 00000036 b2d3ecb0 b6df1861 b6d5f736
[   67.584155] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   73.167930] WARNING: CPU: 0 PID: 585 at mm/highmem.c:622 kunmap_local_indexed+0x178/0x17c
[   73.171227] Modules linked in: fuse
[   73.172766] CPU: 0 UID: 0 PID: 585 Comm: uffd-unit-tests Not tainted 6.15.0-next-20250606 #1 NONE 
[   73.173407] Hardware name: Generic DT based system
[   73.173905] Call trace: 
[   73.174783]  unwind_backtrace from show_stack+0x18/0x1c
[   73.175472]  show_stack from dump_stack_lvl+0x6c/0x8c
[   73.175769]  dump_stack_lvl from __warn+0x84/0x130
[   73.176078]  __warn from warn_slowpath_fmt+0x18c/0x194
[   73.176911]  warn_slowpath_fmt from kunmap_local_indexed+0x178/0x17c
[   73.177311]  kunmap_local_indexed from move_pages+0x960/0x19f0
[   73.177707]  move_pages from userfaultfd_ioctl+0x129c/0x2144
[   73.178083]  userfaultfd_ioctl from sys_ioctl+0x558/0xd24
[   73.178483]  sys_ioctl from ret_fast_syscall+0x0/0x1c
[   73.178914] Exception stack(0xf9f0dfa8 to 0xf9f0dff0)
[   73.179426] dfa0:                   00001000 00000000 00000005 c028aa05 b2dbecd8 b2dbecb0
[   73.180435] dfc0: 00001000 00000000 00000005 00000036 8010aa01 00470000 b2dbed80 00000012
[   73.181176] dfe0: 00000036 b2dbec98 b6e71861 b6ddf736
[   73.181956] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   40.568084] WARNING: CPU: 0 PID: 675 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   40.576354] Modules linked in: etnaviv snd_soc_simple_card omapdrm gpu_sched snd_soc_simple_card_utils onboard_usb_dev ahci_dwc snd_soc_davinci_mcasp snd_soc_ti_sdma snd_soc_ti_udma snd_soc_ti_edma snd_soc_tlv320aic3x_i2c snd_soc_tlv320aic3x snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore ti_tpd12s015 display_connector omap_remoteproc nfnetlink ip_tables x_tables
[   40.610992] CPU: 0 UID: 0 PID: 675 Comm: uffd-unit-tests Not tainted 6.15.0-next-20250606 #1 NONE 
[   40.611022] Hardware name: Generic DRA74X (Flattened Device Tree)
[   40.611022] Call trace: 
[   40.611022]  unwind_backtrace from show_stack+0x10/0x14
[   40.611053]  show_stack from dump_stack_lvl+0x50/0x5c
[   40.611053]  dump_stack_lvl from __warn+0xd8/0x1e0
[   40.611083]  __warn from warn_slowpath_fmt+0xa8/0x174
[   40.611083]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   40.611114]  kunmap_local_indexed from move_pages_pte+0xc40/0xf48
[   40.611114]  move_pages_pte from move_pages+0x428/0x5bc
[   40.611145]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   40.611145]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   40.611175]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   40.611175] Exception stack(0xf2721fa8 to 0xf2721ff0)
[   40.611175] 1fa0:                   00001000 00000005 00000005 c028aa05 b2daecd8 b2daecc8
[   40.611175] 1fc0: 00001000 00000005 b2daece0 00000036 b2daed84 b2daed50 b2daed7c b2daed58
[   40.611206] 1fe0: 00000036 b2daecb0 b6e61861 b6dcf736
[   40.611206] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details