Unable to handle kernel paging request at virtual address dfff800000000006
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
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
[dfff800000000006] address between user and kernel address ranges
Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 UID: 0 PID: 6416 Comm: syz-executor Not tainted 6.13.0-rc3-syzkaller-g573067a5a685 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline]
pc : lmLogSync+0x210/0x978 fs/jfs/jfs_logmgr.c:937
lr : write_special_inodes fs/jfs/jfs_logmgr.c:207 [inline]
lr : lmLogSync+0x1ec/0x978 fs/jfs/jfs_logmgr.c:937
sp : ffff8000a1af77e0
x29: ffff8000a1af78a0 x28: 1fffe0001a0ba95a x27: dfff800000000000
x26: 0000000000000003 x25: ffff8000a1af7800 x24: 1fffe0001eb91006
x23: dfff800000000000 x22: 0000000000000000 x21: 0000000000000030
x20: ffff0000cc5a2e38 x19: ffff0000da214000 x18: 1fffe000366fc27e
x17: ffff80008f99d000 x16: ffff80008b5fea08 x15: 0000000000000000
x14: 0000000000000000 x13: ffff70001435eee8 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000ff0100 x9 : e55737e9ec01a800
x8 : 0000000000000006 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : fffffffffffffff0 x3 : 0000000000000140
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 write_special_inodes fs/jfs/jfs_logmgr.c:208 [inline] (P)
 lmLogSync+0x210/0x978 fs/jfs/jfs_logmgr.c:937 (P)
 jfs_syncpt+0x74/0x98 fs/jfs/jfs_logmgr.c:1041
 jfs_sync_fs+0x8c/0xac fs/jfs/super.c:650
 sync_filesystem+0x1a0/0x218 fs/sync.c:66
 generic_shutdown_super+0x70/0x2bc fs/super.c:621
 kill_block_super+0x44/0x90 fs/super.c:1710
 deactivate_locked_super+0xc4/0x12c fs/super.c:473
 deactivate_super+0xe0/0x100 fs/super.c:506
 cleanup_mnt+0x34c/0x3dc fs/namespace.c:1373
 __cleanup_mnt+0x20/0x30 fs/namespace.c:1380
 task_work_run+0x230/0x2e0 kernel/task_work.c:239
 exit_task_work include/linux/task_work.h:43 [inline]
 do_exit+0x4ec/0x1ad0 kernel/exit.c:938
 do_group_exit+0x194/0x22c kernel/exit.c:1087
 __do_sys_exit_group kernel/exit.c:1098 [inline]
 __se_sys_exit_group kernel/exit.c:1096 [inline]
 pid_child_should_wake+0x0/0x1dc kernel/exit.c:1096
 __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:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: 97bdc715 f94002a8 9100c115 d343fea8 (387b6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	97bdc715 	bl	0xfffffffffef71c54
   4:	f94002a8 	ldr	x8, [x21]
   8:	9100c115 	add	x21, x8, #0x30
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction