loop0: detected capacity change from 0 to 64
Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
Mem abort info:
  ESR = 0x0000000086000006
  EC = 0x21: IABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
user pgtable: 4k pages, 48-bit VAs, pgdp=00000001103cf000
[0000000000000000] pgd=0800000112a4b003, p4d=0800000112a4b003, pud=080000010c469003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6948 Comm: syz.0.15 Not tainted 6.12.0-syzkaller-gadc218676eef #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : __lookup_slow+0x250/0x374 fs/namei.c:1732
sp : ffff80009e3c7020
x29: ffff80009e3c7100 x28: 0000000010000000 x27: 1fffe0001bfe07ac
x26: dfff800000000000 x25: ffff700013c78e08 x24: ffff80009e3c7060
x23: ffff0000dfd64018 x22: ffff80009e3c7180 x21: ffff80008ad2e7c0
x20: 0000000000000000 x19: ffff0000dff03d60 x18: ffff80009e3c6b60
x17: 000000000001b01f x16: ffff80008aae9d84 x15: 0000000000000001
x14: 1ffff00012b8ca2a x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000000001 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000000 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800091cf3e28 x4 : 0000000000000001 x3 : ffff800080c1c394
x2 : 0000000000000000 x1 : ffff0000dff03d60 x0 : ffff0000dfd64018
Call trace:
 0x0
 lookup_slow fs/namei.c:1749 [inline]
 lookup_one_unlocked+0x144/0x254 fs/namei.c:2912
 ovl_lookup_positive_unlocked fs/overlayfs/namei.c:210 [inline]
 ovl_lookup_single+0x190/0x9d8 fs/overlayfs/namei.c:240
 ovl_lookup_layer+0x368/0x454 fs/overlayfs/namei.c:333
 ovl_lookup+0x9a8/0x1f58 fs/overlayfs/namei.c:1124
 lookup_open fs/namei.c:3573 [inline]
 open_last_lookups fs/namei.c:3694 [inline]
 path_openat+0xf7c/0x2b14 fs/namei.c:3930
 do_filp_open+0x1bc/0x3cc fs/namei.c:3960
 do_sys_openat2+0x124/0x1b8 fs/open.c:1415
 do_sys_open fs/open.c:1430 [inline]
 __do_sys_openat fs/open.c:1446 [inline]
 __se_sys_openat fs/open.c:1441 [inline]
 __arm64_sys_openat+0x1f0/0x240 fs/open.c:1441
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x54/0x168 arch/arm64/kernel/entry-common.c:712
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:730
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:598
Code: ???????? ???????? ???????? ???????? (????????) 
---[ end trace 0000000000000000 ]---