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Date
June 5, 2025, 7:08 a.m.

Environment
qemu-armv7
x15 

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[   66.899305] WARNING: CPU: 0 PID: 579 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   66.903928] Modules linked in: nfnetlink ip_tables x_tables
[   66.906237] CPU: 0 UID: 0 PID: 579 Comm: uffd-unit-tests Not tainted 6.15.0-next-20250605 #1 NONE 
[   66.906873] Hardware name: Generic DT based system
[   66.907839] Call trace: 
[   66.909190]  unwind_backtrace from show_stack+0x10/0x14
[   66.909940]  show_stack from dump_stack_lvl+0x50/0x5c
[   66.910243]  dump_stack_lvl from __warn+0xd8/0x1e0
[   66.910578]  __warn from warn_slowpath_fmt+0xa8/0x174
[   66.912134]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   66.912740]  kunmap_local_indexed from move_pages_pte+0xd14/0xe34
[   66.913852]  move_pages_pte from move_pages+0x428/0x5bc
[   66.914323]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   66.914764]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   66.915632]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   66.916241] Exception stack(0xf5b59fa8 to 0xf5b59ff0)
[   66.916761] 9fa0:                   00001000 00000005 00000005 c028aa05 b2d1ecd8 b2d1ecc8
[   66.917198] 9fc0: 00001000 00000005 b2d1ece0 00000036 b2d1ed84 b2d1ed50 b2d1ed7c b2d1ed58
[   66.917681] 9fe0: 00000036 b2d1ecb0 b6dd1861 b6d3f736
[   66.919577] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   73.025136] WARNING: CPU: 0 PID: 583 at mm/highmem.c:622 kunmap_local_indexed+0x178/0x17c
[   73.028224] Modules linked in: fuse
[   73.029791] CPU: 0 UID: 0 PID: 583 Comm: uffd-unit-tests Not tainted 6.15.0-next-20250605 #1 NONE 
[   73.030476] Hardware name: Generic DT based system
[   73.031025] Call trace: 
[   73.031654]  unwind_backtrace from show_stack+0x18/0x1c
[   73.032310]  show_stack from dump_stack_lvl+0x6c/0x8c
[   73.032738]  dump_stack_lvl from __warn+0x84/0x130
[   73.033104]  __warn from warn_slowpath_fmt+0x18c/0x194
[   73.033624]  warn_slowpath_fmt from kunmap_local_indexed+0x178/0x17c
[   73.034041]  kunmap_local_indexed from move_pages+0x924/0x198c
[   73.034461]  move_pages from userfaultfd_ioctl+0x129c/0x2144
[   73.034810]  userfaultfd_ioctl from sys_ioctl+0x558/0xd24
[   73.035274]  sys_ioctl from ret_fast_syscall+0x0/0x1c
[   73.035662] Exception stack(0xf9f11fa8 to 0xf9f11ff0)
[   73.036190] 1fa0:                   00001000 00000000 00000005 c028aa05 b2dfecd8 b2dfecb0
[   73.036794] 1fc0: 00001000 00000000 00000005 00000036 8010aa01 004d0000 b2dfed80 00000012
[   73.037273] 1fe0: 00000036 b2dfec98 b6eb1861 b6e1f736
[   73.038301] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   41.047302] WARNING: CPU: 0 PID: 671 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   41.055572] Modules linked in: snd_soc_simple_card etnaviv snd_soc_simple_card_utils omapdrm gpu_sched onboard_usb_dev snd_soc_tlv320aic3x_i2c snd_soc_tlv320aic3x ahci_dwc snd_soc_davinci_mcasp snd_soc_ti_sdma snd_soc_ti_udma snd_soc_ti_edma snd_soc_core ac97_bus snd_pcm_dmaengine snd_pcm snd_timer snd soundcore omap_remoteproc ti_tpd12s015 display_connector nfnetlink ip_tables x_tables
[   41.090118] CPU: 0 UID: 0 PID: 671 Comm: uffd-unit-tests Not tainted 6.15.0-next-20250605 #1 NONE 
[   41.090118] Hardware name: Generic DRA74X (Flattened Device Tree)
[   41.090148] Call trace: 
[   41.090148]  unwind_backtrace from show_stack+0x10/0x14
[   41.090179]  show_stack from dump_stack_lvl+0x50/0x5c
[   41.090179]  dump_stack_lvl from __warn+0xd8/0x1e0
[   41.090179]  __warn from warn_slowpath_fmt+0xa8/0x174
[   41.090209]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   41.090209]  kunmap_local_indexed from move_pages_pte+0xd14/0xe34
[   41.090240]  move_pages_pte from move_pages+0x428/0x5bc
[   41.090240]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   41.090240]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   41.090270]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   41.090270] Exception stack(0xf2731fa8 to 0xf2731ff0)
[   41.090270] 1fa0:                   00001000 00000005 00000005 c028aa05 b2d1ecd8 b2d1ecc8
[   41.090270] 1fc0: 00001000 00000005 b2d1ece0 00000036 b2d1ed84 b2d1ed50 b2d1ed7c b2d1ed58
[   41.090270] 1fe0: 00000036 b2d1ecb0 b6dd1861 b6d3f736
[   41.090301] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details