EXT4-fs (loop5): mounted filesystem without journal. Quota mode: writeback.
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=000000015f455000
[0000000000000000] pgd=080000015f676003, p4d=080000015f676003, pud=080000015f673003, pmd=0000000000000000
Internal error: Oops: 0000000086000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 16454 Comm: syz-executor.5 Not tainted 6.1.0-rc2-syzkaller-154433-g247f34f7b803 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : 0x0
lr : get_third_component fs/reiserfs/namei.c:196 [inline]
lr : reiserfs_find_entry+0x130/0x298 fs/reiserfs/namei.c:317
sp : ffff8000215d3900
x29: ffff8000215d3930 x28: ffff000120473480 x27: 0000000020000040
x26: 00000000000000a8 x25: ffff00011a609000 x24: 0000000010000000
x23: ffff000118e487c0 x22: 0000000000000009 x21: ffff8000215d3980
x20: ffff8000215d39e8 x19: ffff00011c8b8190 x18: 0000000000000000
x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000
x14: 0000000000000002 x13: 0000000000000002 x12: 0000000000040000
x11: 00000000000002df x10: ffff800016bd6000 x9 : ffff800008766264
x8 : 0000000000000000 x7 : 3273667265646e69 x6 : ffff80000879e1b8
x5 : 0000000000000000 x4 : ffff8000215d3980 x3 : ffff8000215d39e8
x2 : 0000000000000009 x1 : 0000000000000009 x0 : ffff000118e487c0
Call trace:
 0x0
 reiserfs_lookup+0xc4/0x1c4 fs/reiserfs/namei.c:368
 __lookup_slow+0x14c/0x204 fs/namei.c:1685
 lookup_slow+0x44/0x68 fs/namei.c:1702
 walk_component+0x178/0x1b0 fs/namei.c:1993
 lookup_last fs/namei.c:2450 [inline]
 path_lookupat+0xc4/0x208 fs/namei.c:2474
 filename_lookup+0xf8/0x264 fs/namei.c:2503
 user_path_at_empty+0x5c/0x114 fs/namei.c:2876
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3380 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x28c/0x3c4 fs/namespace.c:3568
 __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: bad PC value
---[ end trace 0000000000000000 ]---