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Date
May 14, 2025, 11:38 a.m.

Environment
qemu-armv7
x15 

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[   56.522453] WARNING: CPU: 0 PID: 580 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   56.524753] Modules linked in: nfnetlink ip_tables x_tables
[   56.526286] CPU: 0 UID: 0 PID: 580 Comm: uffd-unit-tests Not tainted 6.15.0-rc6-next-20250514 #1 NONE 
[   56.526853] Hardware name: Generic DT based system
[   56.527097] Call trace: 
[   56.527600]  unwind_backtrace from show_stack+0x10/0x14
[   56.528497]  show_stack from dump_stack_lvl+0x50/0x5c
[   56.529131]  dump_stack_lvl from __warn+0xd8/0x1e0
[   56.529326]  __warn from warn_slowpath_fmt+0xa8/0x174
[   56.529678]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   56.529850]  kunmap_local_indexed from move_pages_pte+0xd14/0xe34
[   56.530027]  move_pages_pte from move_pages+0x428/0x5bc
[   56.530185]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   56.530343]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   56.530503]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   56.530694] Exception stack(0xf9d6dfa8 to 0xf9d6dff0)
[   56.530907] dfa0:                   00001000 00000005 00000005 c028aa05 b2d7ecd8 b2d7ecc8
[   56.531092] dfc0: 00001000 00000005 b2d7ece0 00000036 b2d7ed84 b2d7ed50 b2d7ed7c b2d7ed58
[   56.531234] dfe0: 00000036 b2d7ecb0 b6e31861 b6d9f736
[   56.531474] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   75.518650] WARNING: CPU: 0 PID: 581 at mm/highmem.c:622 kunmap_local_indexed+0x178/0x17c
[   75.521905] Modules linked in: fuse
[   75.523374] CPU: 0 UID: 0 PID: 581 Comm: uffd-unit-tests Not tainted 6.15.0-rc6-next-20250514 #1 NONE 
[   75.524066] Hardware name: Generic DT based system
[   75.537996] Call trace: 
[   75.538472]  unwind_backtrace from show_stack+0x18/0x1c
[   75.539147]  show_stack from dump_stack_lvl+0x6c/0x8c
[   75.539480]  dump_stack_lvl from __warn+0x84/0x130
[   75.539886]  __warn from warn_slowpath_fmt+0x18c/0x194
[   75.540252]  warn_slowpath_fmt from kunmap_local_indexed+0x178/0x17c
[   75.540716]  kunmap_local_indexed from move_pages+0x924/0x198c
[   75.541142]  move_pages from userfaultfd_ioctl+0x129c/0x2144
[   75.541581]  userfaultfd_ioctl from sys_ioctl+0x558/0xd24
[   75.541921]  sys_ioctl from ret_fast_syscall+0x0/0x1c
[   75.542409] Exception stack(0xf9f21fa8 to 0xf9f21ff0)
[   75.542911] 1fa0:                   00001000 00000000 00000005 c028aa05 b2dcecd8 b2dcecb0
[   75.543454] 1fc0: 00001000 00000000 00000005 00000036 8010aa01 004c0000 b2dced80 00000012
[   75.544011] 1fe0: 00000036 b2dcec98 b6e81861 b6def736
[   75.545200] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details 

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[   40.448547] WARNING: CPU: 1 PID: 670 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   40.456817] Modules linked in: snd_soc_simple_card snd_soc_simple_card_utils omapdrm etnaviv gpu_sched ahci_dwc onboard_usb_dev 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 omap_remoteproc display_connector ti_tpd12s015 nfnetlink ip_tables x_tables
[   40.491363] CPU: 1 UID: 0 PID: 670 Comm: uffd-unit-tests Not tainted 6.15.0-rc6-next-20250514 #1 NONE 
[   40.491394] Hardware name: Generic DRA74X (Flattened Device Tree)
[   40.491394] Call trace: 
[   40.491394]  unwind_backtrace from show_stack+0x10/0x14
[   40.491424]  show_stack from dump_stack_lvl+0x50/0x5c
[   40.491424]  dump_stack_lvl from __warn+0xd8/0x1e0
[   40.491424]  __warn from warn_slowpath_fmt+0xa8/0x174
[   40.491455]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   40.491455]  kunmap_local_indexed from move_pages_pte+0xd14/0xe34
[   40.491455]  move_pages_pte from move_pages+0x428/0x5bc
[   40.491485]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   40.491485]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   40.491485]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   40.491516] Exception stack(0xf2749fa8 to 0xf2749ff0)
[   40.491516] 9fa0:                   00001000 00000005 00000005 c028aa05 b2ceecd8 b2ceecc8
[   40.491516] 9fc0: 00001000 00000005 b2ceece0 00000036 b2ceed84 b2ceed50 b2ceed7c b2ceed58
[   40.491516] 9fe0: 00000036 b2ceecb0 b6da1861 b6d0f736
[   40.491516] ---[ end trace 0000000000000000 ]---
Metadata Full log Test run details