Hay
Date
May 26, 2025, 9:10 a.m.

Environment
qemu-armv7
x15

------------[ cut here ]------------
[   51.469318] WARNING: CPU: 0 PID: 581 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   51.472753] Modules linked in: nfnetlink ip_tables x_tables
[   51.474184] CPU: 0 UID: 0 PID: 581 Comm: uffd-unit-tests Not tainted 6.15.0-rc7-next-20250526 #1 NONE 
[   51.474751] Hardware name: Generic DT based system
[   51.475162] Call trace: 
[   51.475964]  unwind_backtrace from show_stack+0x10/0x14
[   51.476484]  show_stack from dump_stack_lvl+0x50/0x5c
[   51.476625]  dump_stack_lvl from __warn+0xd8/0x1e0
[   51.476814]  __warn from warn_slowpath_fmt+0xa8/0x174
[   51.477017]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   51.477125]  kunmap_local_indexed from move_pages_pte+0xd14/0xe34
[   51.477224]  move_pages_pte from move_pages+0x428/0x5bc
[   51.477303]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   51.477443]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   51.477602]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   51.477820] Exception stack(0xf9d69fa8 to 0xf9d69ff0)
[   51.478078] 9fa0:                   00001000 00000005 00000005 c028aa05 b2cfecd8 b2cfecc8
[   51.478299] 9fc0: 00001000 00000005 b2cfece0 00000036 b2cfed84 b2cfed50 b2cfed7c b2cfed58
[   51.478873] 9fe0: 00000036 b2cfecb0 b6db1861 b6d1f736
[   51.480166] ---[ end trace 0000000000000000 ]---


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[   83.533752] WARNING: CPU: 0 PID: 582 at mm/highmem.c:622 kunmap_local_indexed+0x178/0x17c
[   83.536962] Modules linked in: fuse
[   83.538597] CPU: 0 UID: 0 PID: 582 Comm: uffd-unit-tests Not tainted 6.15.0-rc7-next-20250526 #1 NONE 
[   83.539045] Hardware name: Generic DT based system
[   83.539277] Call trace: 
[   83.539972]  unwind_backtrace from show_stack+0x18/0x1c
[   83.541004]  show_stack from dump_stack_lvl+0x6c/0x8c
[   83.541413]  dump_stack_lvl from __warn+0x84/0x130
[   83.541704]  __warn from warn_slowpath_fmt+0x18c/0x194
[   83.543108]  warn_slowpath_fmt from kunmap_local_indexed+0x178/0x17c
[   83.543530]  kunmap_local_indexed from move_pages+0x924/0x198c
[   83.543834]  move_pages from userfaultfd_ioctl+0x129c/0x2144
[   83.544261]  userfaultfd_ioctl from sys_ioctl+0x558/0xd24
[   83.544595]  sys_ioctl from ret_fast_syscall+0x0/0x1c
[   83.545116] Exception stack(0xf9f01fa8 to 0xf9f01ff0)
[   83.545512] 1fa0:                   00001000 00000000 00000005 c028aa05 b2ddecd8 b2ddecb0
[   83.546174] 1fc0: 00001000 00000000 00000005 00000036 8010aa01 00510000 b2dded80 00000012
[   83.546841] 1fe0: 00000036 b2ddec98 b6e91861 b6dff736
[   83.547909] ---[ end trace 0000000000000000 ]---


------------[ cut here ]------------
[   40.927307] WARNING: CPU: 1 PID: 672 at mm/highmem.c:622 kunmap_local_indexed+0x198/0x1a4
[   40.935577] Modules linked in: etnaviv snd_soc_simple_card gpu_sched snd_soc_simple_card_utils onboard_usb_dev omapdrm ahci_dwc snd_soc_tlv320aic3x_i2c snd_soc_tlv320aic3x 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 ti_tpd12s015 omap_remoteproc display_connector nfnetlink ip_tables x_tables
[   40.970092] CPU: 1 UID: 0 PID: 672 Comm: uffd-unit-tests Not tainted 6.15.0-rc7-next-20250526 #1 NONE 
[   40.970092] Hardware name: Generic DRA74X (Flattened Device Tree)
[   40.970092] Call trace: 
[   40.970123]  unwind_backtrace from show_stack+0x10/0x14
[   40.970123]  show_stack from dump_stack_lvl+0x50/0x5c
[   40.970153]  dump_stack_lvl from __warn+0xd8/0x1e0
[   40.970153]  __warn from warn_slowpath_fmt+0xa8/0x174
[   40.970184]  warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4
[   40.970184]  kunmap_local_indexed from move_pages_pte+0xd14/0xe34
[   40.970214]  move_pages_pte from move_pages+0x428/0x5bc
[   40.970214]  move_pages from userfaultfd_ioctl+0x900/0x1ec0
[   40.970214]  userfaultfd_ioctl from sys_ioctl+0xd24/0xd90
[   40.970245]  sys_ioctl from ret_fast_syscall+0x0/0x5c
[   40.970245] Exception stack(0xf2765fa8 to 0xf2765ff0)
[   40.970245] 5fa0:                   00001000 00000005 00000005 c028aa05 b2d2ecd8 b2d2ecc8
[   40.970275] 5fc0: 00001000 00000005 b2d2ece0 00000036 b2d2ed84 b2d2ed50 b2d2ed7c b2d2ed58
[   40.970275] 5fe0: 00000036 b2d2ecb0 b6de1861 b6d4f736
[   40.970275] ---[ end trace 0000000000000000 ]---