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=000000011543e000
[0000000000000000] pgd=080000010b3a1403, p4d=080000010b3a1403, pud=080000010a251403, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 7167 Comm: syz.2.187 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/03/2025
pstate: 63400805 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=-c)
pc : 0x0
lr : ptp_clock_adjtime+0x520/0x720 drivers/ptp/ptp_clock.c:165
sp : ffff80009e8c7a80
x29: ffff80009e8c7b20 x28: 0000000000000000 x27: 1ffff00013d18f82
x26: dfff800000000000 x25: ffff700013d18f54 x24: 0000000000000000
x23: 0000000000000000 x22: 0000000000000000 x21: ffff0000cca3a000
x20: ffff80009e8c7c10 x19: ffff0000cc401400 x18: 00000000ffffffff
x17: ffff800093304000 x16: ffff800082debbc8 x15: 0000000000000001
x14: 1ffff00013d18f38 x13: 0000000000000000 x12: 0000000000000000
x11: 0000000000080000 x10: 0000000000ff0100 x9 : 0000000000000002
x8 : 0000000000000000 x7 : ffff8000877b1a2c x6 : 0000000000000000
x5 : ffff800093505dc8 x4 : 0000000000000002 x3 : ffff80008ae08318
x2 : 0000000000000001 x1 : 0000000000000000 x0 : ffff0000cc401400
Call trace:
 0x0 (P)
 pc_clock_adjtime+0x1b0/0x23c kernel/time/posix-clock.c:239
 do_clock_adjtime kernel/time/posix-timers.c:1161 [inline]
 __do_sys_clock_adjtime kernel/time/posix-timers.c:1173 [inline]
 __se_sys_clock_adjtime kernel/time/posix-timers.c:1164 [inline]
 __arm64_sys_clock_adjtime+0x1e0/0x370 kernel/time/posix-timers.c:1164
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x254 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0xe8/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x5c/0x254 arch/arm64/kernel/entry-common.c:724
 el0t_64_sync_handler+0x84/0x12c arch/arm64/kernel/entry-common.c:743
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:596
---[ end trace 0000000000000000 ]---