loop0: detected capacity change from 0 to 32768
gfs2: fsid=syz:syz: Trying to join cluster "lock_nolock", "syz:syz"
gfs2: fsid=syz:syz: Now mounting FS (format 1801)...
gfs2: fsid=syz:syz.0: journal 0 mapped with 20 extents in 0ms
Unable to handle kernel paging request at virtual address dfff800000000097
KASAN: null-ptr-deref in range [0x00000000000004b8-0x00000000000004bf]
Mem abort info:
  ESR = 0x0000000096000005
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x05: level 1 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[dfff800000000097] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 6170 Comm: syz-executor219 Tainted: G    B              6.8.0-rc5-syzkaller-g9abbc24128bc #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : gfs2_rindex_update+0xb0/0x31c fs/gfs2/rgrp.c:1037
lr : gfs2_rindex_update+0x8c/0x31c fs/gfs2/rgrp.c:1035
sp : ffff8000978f6d20
x29: ffff8000978f6de0 x28: dfff800000000000 x27: ffff700012f1eda8
x26: dfff800000000000 x25: ffff80008249db98 x24: ffff0000ddf08630
x23: 00000000000004b8 x22: ffff0000d7e98000 x21: 0000000000000000
x20: ffff0000d7e98740 x19: ffff8000978f6d60 x18: 1fffe00036804796
x17: ffff80008ec8d000 x16: ffff80008ad5ac80 x15: 0000000000000001
x14: 1fffe0001b9ff536 x13: 0000000000000000 x12: ffff800082520650
x11: 00000000000000f3 x10: 0000000000ff0100 x9 : 0000000000000000
x8 : 0000000000000097 x7 : 0000000000000000 x6 : ffff80008089c1dc
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 00000000ffffffff
x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0000d7e98000
Call trace:
 gfs2_rindex_update+0xb0/0x31c fs/gfs2/rgrp.c:1037
 punch_hole+0xbe4/0x2f7c fs/gfs2/bmap.c:1809
 gfs2_truncatei_resume+0x44/0x84 fs/gfs2/bmap.c:2159
 inode_go_held+0x130/0x1e0 fs/gfs2/glops.c:527
 gfs2_instantiate+0x228/0x2c8 fs/gfs2/glock.c:463
 gfs2_glock_holder_ready fs/gfs2/glock.c:1336 [inline]
 gfs2_glock_wait+0x1b8/0x298 fs/gfs2/glock.c:1356
 gfs2_glock_nq+0xcc8/0x169c fs/gfs2/glock.c:1616
 gfs2_glock_nq_init fs/gfs2/glock.h:238 [inline]
 init_statfs fs/gfs2/ops_fstype.c:694 [inline]
 init_journal+0x12f0/0x1fa0 fs/gfs2/ops_fstype.c:816
 init_inodes+0xe0/0x2d8 fs/gfs2/ops_fstype.c:884
 gfs2_fill_super+0x1794/0x1eec fs/gfs2/ops_fstype.c:1263
 get_tree_bdev+0x320/0x470 fs/super.c:1619
 gfs2_get_tree+0x54/0x1b4 fs/gfs2/ops_fstype.c:1341
 vfs_get_tree+0x90/0x288 fs/super.c:1784
 do_new_mount+0x278/0x900 fs/namespace.c:3352
 path_mount+0x590/0xe04 fs/namespace.c:3679
 do_mount fs/namespace.c:3692 [inline]
 __do_sys_mount fs/namespace.c:3898 [inline]
 __se_sys_mount fs/namespace.c:3875 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3875
 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155
 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: 979370be f9400295 9112e2b7 d343fee8 (387c6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	979370be 	bl	0xfffffffffe4dc2f8
   4:	f9400295 	ldr	x21, [x20]
   8:	9112e2b7 	add	x23, x21, #0x4b8
   c:	d343fee8 	lsr	x8, x23, #3
* 10:	387c6908 	ldrb	w8, [x8, x28] <-- trapping instruction