Unable to handle kernel NULL pointer dereference at virtual address 0000000000000010
Mem abort info:
  ESR = 0x0000000096000046
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000046
  CM = 0, WnR = 1
user pgtable: 4k pages, 48-bit VAs, pgdp=000000010af3a000
[0000000000000010] pgd=080000010b12f003, p4d=080000010b12f003, pud=080000010931d003, pmd=0000000000000000
Internal error: Oops: 0000000096000046 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 3038 Comm: syz-executor104 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dbgfs_rm_context mm/damon/dbgfs.c:917 [inline]
pc : dbgfs_rm_context_write+0x258/0x330 mm/damon/dbgfs.c:954
lr : dbgfs_rm_context mm/damon/dbgfs.c:917 [inline]
lr : dbgfs_rm_context_write+0x24c/0x330 mm/damon/dbgfs.c:954
sp : ffff80000ff9bc30
x29: ffff80000ff9bc30 x28: ffff0000c164bd68 x27: 0000000000000000
x26: 0000000000000000 x25: 0000000000000001 x24: 0000000000000010
x23: ffff0000c164c000 x22: 0000000000000010 x21: ffff0000cc030000
x20: 000000000000fe6c x19: ffff0000ccbb0000 x18: 0000000000000010
x17: ffff80000c01ff48 x16: ffff80000db49158 x15: ffff0000c63ccf80
x14: 0000000000000008 x13: 00000000ffffffff x12: ffff0000c63ccf80
x11: ff8080000859ae38 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff0000c23f0c80 x7 : ffff8000085e2ef4 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000001 x1 : 0000000000000001 x0 : 0000000000000000
Call trace:
 dbgfs_rm_context mm/damon/dbgfs.c:917 [inline]
 dbgfs_rm_context_write+0x258/0x330 mm/damon/dbgfs.c:954
 full_proxy_write+0x94/0x150 fs/debugfs/file.c:236
 vfs_write+0x1a4/0x46c fs/read_write.c:576
 ksys_write+0xb4/0x160 fs/read_write.c:631
 __do_sys_write fs/read_write.c:643 [inline]
 __se_sys_write fs/read_write.c:640 [inline]
 __arm64_sys_write+0x24/0x34 fs/read_write.c:640
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline]
 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Code: 97f41378 90034788 f9417508 937d7f49 (f8296adc) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97f41378 	bl	0xffffffffffd04de0
   4:	90034788 	adrp	x8, 0x68f0000
   8:	f9417508 	ldr	x8, [x8, #744]
   c:	937d7f49 	sbfiz	x9, x26, #3, #32
* 10:	f8296adc 	str	x28, [x22, x9] <-- trapping instruction