loop4: detected capacity change from 0 to 14901
read_mapping_page failed!
jfs_mount: diMount failed w/rc = -5
Unable to handle kernel paging request at virtual address dfff800000000001
KASAN: null-ptr-deref in range [0x0000000000000008-0x000000000000000f]
Mem abort info:
  ESR = 0x0000000096000006
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x06: level 2 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000006
  CM = 0, WnR = 0
[dfff800000000001] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 9658 Comm: syz-executor.4 Not tainted 6.1.55-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/04/2023
pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : diFree+0x1fc/0x2648 fs/jfs/jfs_imap.c:872
lr : diFree+0x1ec/0x2648 fs/jfs/jfs_imap.c:855
sp : ffff800023a07440
x29: ffff800023a076a0 x28: 0000000000000001 x27: 000000000000000b
x26: ffff0000d475d400 x25: ffff0000e1f84e30 x24: ffff800023a07640
x23: ffff700004740eb4 x22: 0000000000000000 x21: ffff0000e1f84e58
x20: 0000000000000002 x19: dfff800000000000 x18: 1fffe000368a9f76
x17: ffff8000158ad000 x16: ffff80001206a140 x15: 0000000000000000
x14: 1ffff00002b160b0 x13: ffff700004740ea0 x12: 0000000000000003
x11: 1ffff00004740ec8 x10: 0000000000000000 x9 : 0000000000000000
x8 : ffff800023a07658 x7 : 0000000000000000 x6 : 000000000000003f
x5 : 0000000000000040 x4 : 0000000000000000 x3 : 0000000000000010
x2 : 0000000000000008 x1 : 0000000000000000 x0 : ffff800023a07640
Call trace:
 diFree+0x1fc/0x2648 fs/jfs/jfs_imap.c:867
 jfs_evict_inode+0x2d0/0x3f4 fs/jfs/inode.c:156
 evict+0x260/0x68c fs/inode.c:664
 iput_final fs/inode.c:1789 [inline]
 iput+0x7c0/0x8a4 fs/inode.c:1815
 diFreeSpecial+0x78/0x108 fs/jfs/jfs_imap.c:549
 jfs_mount+0x53c/0x7a4 fs/jfs/jfs_mount.c:203
 jfs_fill_super+0x464/0x9f0 fs/jfs/super.c:556
 mount_bdev+0x274/0x370 fs/super.c:1432
 jfs_do_mount+0x44/0x58 fs/jfs/super.c:670
 legacy_get_tree+0xd4/0x16c fs/fs_context.c:632
 vfs_get_tree+0x90/0x274 fs/super.c:1562
 do_new_mount+0x25c/0x8c4 fs/namespace.c:3040
 path_mount+0x590/0xe58 fs/namespace.c:3370
 do_mount fs/namespace.c:3383 [inline]
 __do_sys_mount fs/namespace.c:3591 [inline]
 __se_sys_mount fs/namespace.c:3568 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3568
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581
Code: 910012db f900aff6 d343ff7c d34cfe96 (38f36b88) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	910012db 	add	x27, x22, #0x4
   4:	f900aff6 	str	x22, [sp, #344]
   8:	d343ff7c 	lsr	x28, x27, #3
   c:	d34cfe96 	lsr	x22, x20, #12
* 10:	38f36b88 	ldrsb	w8, [x28, x19] <-- trapping instruction