read_mapping_page failed!
ERROR: (device loop4): txAbort: 
Unable to handle kernel paging request at virtual address dfff800000000029
KASAN: null-ptr-deref in range [0x0000000000000148-0x000000000000014f]
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
[dfff800000000029] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 PID: 4806 Comm: syz.4.92 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/18/2026
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : txEnd+0x180/0x4e8 fs/jfs/jfs_txnmgr.c:540
lr : txEnd+0x158/0x4e8 fs/jfs/jfs_txnmgr.c:529
sp : ffff800020f27240
x29: ffff800020f27240 x28: 1ffff00003fc9244 x27: ffff8000157d6000
x26: 1ffff00002afad68 x25: dfff800000000000 x24: ffff80001c5cf000
x23: 0000000000000001 x22: 000000000000014c x21: ffff80001fe49248
x20: 0000000000000002 x19: 0000000000000000 x18: ffff800011b9bf60
x17: ffff80001835b000 x16: ffff8000082d92bc x15: ffff800017e3c000
x14: 0000000000000001 x13: 00000000001aa408 x12: 0000000000000003
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000029
x8 : 0000000000000002 x7 : 0000000000000000 x6 : 0000000000000000
x5 : ffff800020f27180 x4 : 0000000000000000 x3 : 0000000000000000
x2 : 0000000000000006 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 txEnd+0x180/0x4e8 fs/jfs/jfs_txnmgr.c:535
 add_missing_indices+0x6e8/0x9f4 fs/jfs/jfs_dtree.c:2666
 jfs_readdir+0x184c/0x3114 fs/jfs/jfs_dtree.c:3020
 iterate_dir+0x1f0/0x4cc fs/readdir.c:-1
 ovl_dir_read+0xdc/0x418 fs/overlayfs/readdir.c:309
 ovl_dir_read_merged+0x12c/0x284 fs/overlayfs/readdir.c:362
 ovl_cache_get fs/overlayfs/readdir.c:414 [inline]
 ovl_iterate+0x9e8/0x1850 fs/overlayfs/readdir.c:764
 iterate_dir+0x1f0/0x4cc fs/readdir.c:-1
 __do_sys_getdents64 fs/readdir.c:369 [inline]
 __se_sys_getdents64 fs/readdir.c:354 [inline]
 __arm64_sys_getdents64+0x11c/0x320 fs/readdir.c:354
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b4 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x58/0x130 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x128 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:585
Code: 12003e88 790002b7 d343fec9 b9016308 (38f96928) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	12003e88 	and	w8, w20, #0xffff
   4:	790002b7 	strh	w23, [x21]
   8:	d343fec9 	lsr	x9, x22, #3
   c:	b9016308 	str	w8, [x24, #352]
* 10:	38f96928 	ldrsb	w8, [x9, x25] <-- trapping instruction