------------[ cut here ]------------
WARNING: CPU: 0 PID: 5841 at mm/highmem.c:622 kunmap_local_indexed+0x20c/0x224 mm/highmem.c:622
Modules linked in:
Kernel panic - not syncing: kernel: panic_on_warn set ...
CPU: 0 UID: 0 PID: 5841 Comm: syz.0.512 Not tainted 6.11.0-rc5-syzkaller #0
Hardware name: ARM-Versatile Express
Call trace: 
[<81955560>] (dump_backtrace) from [<8195565c>] (show_stack+0x18/0x1c arch/arm/kernel/traps.c:257)
 r7:00000000 r6:826228c4 r5:00000000 r4:8200be6c
[<81955644>] (show_stack) from [<81973340>] (__dump_stack lib/dump_stack.c:93 [inline])
[<81955644>] (show_stack) from [<81973340>] (dump_stack_lvl+0x54/0x7c lib/dump_stack.c:119)
[<819732ec>] (dump_stack_lvl) from [<81973380>] (dump_stack+0x18/0x1c lib/dump_stack.c:128)
 r5:00000000 r4:8286bd18
[<81973368>] (dump_stack) from [<81956104>] (panic+0x120/0x368 kernel/panic.c:354)
[<81955fe4>] (panic) from [<80242204>] (check_panic_on_warn kernel/panic.c:243 [inline])
[<81955fe4>] (panic) from [<80242204>] (get_taint+0x0/0x1c kernel/panic.c:238)
 r3:8260c5c4 r2:00000001 r1:81ff4690 r0:81ffc468
 r7:804817b8
[<80242190>] (check_panic_on_warn) from [<80242358>] (__warn+0x7c/0x180 kernel/panic.c:741)
[<802422dc>] (__warn) from [<802425d4>] (warn_slowpath_fmt+0x178/0x1f4 kernel/panic.c:766)
 r8:00000009 r7:820239a0 r6:dfb05d14 r5:83e95400 r4:00000000
[<80242460>] (warn_slowpath_fmt) from [<804817b8>] (kunmap_local_indexed+0x20c/0x224 mm/highmem.c:622)
 r10:ffefdfe8 r9:83912a00 r8:20000000 r7:fffffff0 r6:00000003 r5:83e95400
 r4:ffefd000
[<804815ac>] (kunmap_local_indexed) from [<804f1598>] (__kunmap_local include/linux/highmem-internal.h:94 [inline])
[<804815ac>] (kunmap_local_indexed) from [<804f1598>] (move_pages_pte mm/userfaultfd.c:1326 [inline])
[<804815ac>] (kunmap_local_indexed) from [<804f1598>] (move_pages+0x7e8/0x14a0 mm/userfaultfd.c:1727)
 r7:fffffff0 r6:f660775f r5:dee9e8fc r4:ffefb000
[<804f0db0>] (move_pages) from [<8056c574>] (userfaultfd_move fs/userfaultfd.c:2016 [inline])
[<804f0db0>] (move_pages) from [<8056c574>] (userfaultfd_ioctl+0x1260/0x2314 fs/userfaultfd.c:2139)
 r10:21000000 r9:dfb05e98 r8:20000040 r7:83912a00 r6:00000001 r5:00000000
 r4:84f41000
[<8056b314>] (userfaultfd_ioctl) from [<8051a47c>] (vfs_ioctl fs/ioctl.c:51 [inline])
[<8056b314>] (userfaultfd_ioctl) from [<8051a47c>] (do_vfs_ioctl fs/ioctl.c:861 [inline])
[<8056b314>] (userfaultfd_ioctl) from [<8051a47c>] (__do_sys_ioctl fs/ioctl.c:905 [inline])
[<8056b314>] (userfaultfd_ioctl) from [<8051a47c>] (sys_ioctl+0x134/0xda4 fs/ioctl.c:893)
 r10:83e95400 r9:00000003 r8:847a8540 r7:20000040 r6:847a8541 r5:00000000
 r4:c028aa05
[<8051a348>] (sys_ioctl) from [<80200060>] (ret_fast_syscall+0x0/0x1c arch/arm/mm/proc-v7.S:67)
Exception stack(0xdfb05fa8 to 0xdfb05ff0)
5fa0:                   00000000 00000000 00000003 c028aa05 20000040 00000000
5fc0: 00000000 00000000 002762f0 00000036 00000000 00006364 003d0f00 76bf30bc
5fe0: 76bf2ec0 76bf2eb0 000189a0 00132d80
 r10:00000036 r9:83e95400 r8:8020029c r7:00000036 r6:002762f0 r5:00000000
 r4:00000000
Rebooting in 86400 seconds..