Date
July 25, 2025, 3:13 a.m.
| Environment | |
|---|---|
| qemu-armv7 |
------------[ cut here ]------------ [ 37.979853] WARNING: mm/highmem.c:622 at kunmap_local_indexed+0x198/0x1a4, CPU#0: uffd-unit-tests/636 [ 37.982399] Modules linked in: nfnetlink ip_tables x_tables [ 37.983433] CPU: 0 UID: 0 PID: 636 Comm: uffd-unit-tests Not tainted 6.16.0-rc7-next-20250725 #1 NONE [ 37.983799] Hardware name: Generic DT based system [ 37.984020] Call trace: [ 37.984185] unwind_backtrace from show_stack+0x10/0x14 [ 37.984488] show_stack from dump_stack_lvl+0x50/0x5c [ 37.984636] dump_stack_lvl from __warn+0xf0/0x1f8 [ 37.984801] __warn from warn_slowpath_fmt+0xa8/0x174 [ 37.985034] warn_slowpath_fmt from kunmap_local_indexed+0x198/0x1a4 [ 37.985208] kunmap_local_indexed from move_pages_pte+0xc40/0xf48 [ 37.985375] move_pages_pte from move_pages+0x488/0x680 [ 37.985521] move_pages from userfaultfd_ioctl+0x8e0/0x1dd8 [ 37.985677] userfaultfd_ioctl from sys_ioctl+0xa20/0xa98 [ 37.985987] sys_ioctl from ret_fast_syscall+0x0/0x5c [ 37.986433] Exception stack(0xf9c89fa8 to 0xf9c89ff0) [ 37.986909] 9fa0: 00001000 00000005 00000005 c028aa05 b2d8ecd8 b2d8ecc8 [ 37.987558] 9fc0: 00001000 00000005 b2d8ece0 00000036 b2d8ed84 b2d8ed50 b2d8ed7c b2d8ed58 [ 37.988162] 9fe0: 00000036 b2d8ecb0 b6e41861 b6daf736 [ 37.988391] ---[ end trace 0000000000000000 ]---
------------[ cut here ]------------ [ 41.918178] WARNING: mm/highmem.c:622 at kunmap_local_indexed+0x178/0x17c, CPU#1: uffd-unit-tests/633 [ 41.920520] Modules linked in: fuse [ 41.921491] CPU: 1 UID: 0 PID: 633 Comm: uffd-unit-tests Not tainted 6.16.0-rc7-next-20250725 #1 NONE [ 41.922245] Hardware name: Generic DT based system [ 41.922501] Call trace: [ 41.922659] unwind_backtrace from show_stack+0x18/0x1c [ 41.922973] show_stack from dump_stack_lvl+0x6c/0x8c [ 41.923125] dump_stack_lvl from __warn+0x98/0x14c [ 41.923276] __warn from warn_slowpath_fmt+0x18c/0x194 [ 41.923474] warn_slowpath_fmt from kunmap_local_indexed+0x178/0x17c [ 41.923653] kunmap_local_indexed from move_pages+0x83c/0x19c8 [ 41.924149] move_pages from userfaultfd_ioctl+0x12c8/0x2048 [ 41.924608] userfaultfd_ioctl from sys_ioctl+0x4cc/0xaf8 [ 41.925020] sys_ioctl from ret_fast_syscall+0x0/0x1c [ 41.925236] Exception stack(0xf5b5dfa8 to 0xf5b5dff0) [ 41.925449] dfa0: 00001000 00000000 00000005 c028aa05 b2d9ecd8 b2d9ecb0 [ 41.925666] dfc0: 00001000 00000000 00000005 00000036 8010aa01 004b0000 b2d9ed80 00000012 [ 41.925894] dfe0: 00000036 b2d9ec98 b6e51861 b6dbf736 [ 41.926127] ---[ end trace 0000000000000000 ]---