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kernel BUG at mm/memory.c:2181!
Internal error: Oops - BUG: 00000000f2000800 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 31633 Comm: syz-executor.0 Not tainted 6.2.0-syzkaller-18295-ga9b06ec42c0f #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/21/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2181
lr : vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2181
sp : ffff8000215673a0
x29: ffff8000215673a0 x28: ffff800021567688 x27: ffff0000c9bdc000
x26: 0000000010000400 x25: 0000000004040471 x24: dfff800000000000
x23: 0000000000000420 x22: 0000000000106717 x21: ffff0001296549a0
x20: 0000000020000000 x19: 0060000000000fc3 x18: ffff800021566f40
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000002 x13: 0000000010000400 x12: 0000000000040000
x11: 0000000000001618 x10: ffff80002a10b000 x9 : ffff800008870bd0
x8 : 0000000000001619 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff80001909b3d0 x4 : 0000000000000002 x3 : 0060000000000fc3
x2 : 0000000000106717 x1 : 0000000000000420 x0 : 0000000000000420
Call trace:
 vmf_insert_pfn_prot+0x2bc/0x2d0 mm/memory.c:2181
 vmf_insert_pfn+0x54/0x68 mm/memory.c:2220
 drm_gem_shmem_fault+0x1ac/0x21c drivers/gpu/drm/drm_gem_shmem_helper.c:562
 __do_fault+0x120/0x4fc mm/memory.c:4166
 do_read_fault mm/memory.c:4517 [inline]
 do_fault mm/memory.c:4646 [inline]
 handle_pte_fault mm/memory.c:4934 [inline]
 __handle_mm_fault mm/memory.c:5076 [inline]
 handle_mm_fault+0x2334/0x3734 mm/memory.c:5222
 __do_page_fault arch/arm64/mm/fault.c:512 [inline]
 do_page_fault+0x634/0xac4 arch/arm64/mm/fault.c:612
 do_translation_fault+0x94/0xc8 arch/arm64/mm/fault.c:695
 do_mem_abort+0x74/0x200 arch/arm64/mm/fault.c:831
 el1_abort+0x3c/0x5c arch/arm64/kernel/entry-common.c:367
 el1h_64_sync_handler+0x60/0xac arch/arm64/kernel/entry-common.c:427
 el1h_64_sync+0x64/0x68 arch/arm64/kernel/entry.S:586
 __arch_copy_from_user+0x180/0x230 arch/arm64/lib/copy_template.S:146
 fb_ioctl+0xec/0x134 drivers/video/fbdev/core/fbmem.c:1203
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:870 [inline]
 __se_sys_ioctl fs/ioctl.c:856 [inline]
 __arm64_sys_ioctl+0x14c/0x1c8 fs/ioctl.c:856
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:193
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: d4210000 97f2681d d4210000 97f2681b (d4210000) 
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