find_entry called with index >= next_index
Unable to handle kernel paging request at virtual address dfff800000000001
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: 6531 Comm: syz.3.549 Not tainted 5.15.182-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/19/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dtInsertEntry+0x8d0/0xf60 fs/jfs/jfs_dtree.c:4027
lr : dtInsertEntry+0x8c4/0xf60 fs/jfs/jfs_dtree.c:4027
sp : ffff8000201c7500
x29: ffff8000201c75e0 x28: 0000000000000061 x27: ffff80001eaea0f0
x26: dfff800000000000 x25: ffff0000ce96edd8 x24: ffff0000f71c1eb0
x23: 000000000000000e x22: 0000000000000000 x21: 1fffe0001ee383d8
x20: ffff0000f71c1ec0 x19: 0000000000000008 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000097d7ba0 x15: 0000000000008000
x14: 0000000000ff0100 x13: ffffffffffffffff x12: 0000000000080000
x11: 0000000000003ee4 x10: ffff800023dda000 x9 : ffff8000097b4474
x8 : 0000000000000001 x7 : ffff8000097d714c x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff8000201c7778 x3 : ffff8000097c1a14
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 dtInsertEntry+0x8d0/0xf60 fs/jfs/jfs_dtree.c:4027
 dtInsert+0x6c8/0x5634 fs/jfs/jfs_dtree.c:892
 jfs_mkdir+0x5a4/0x8b4 fs/jfs/namei.c:270
 vfs_mkdir+0x314/0x4d4 fs/namei.c:4065
 do_mkdirat+0x1bc/0x508 fs/namei.c:4090
 __do_sys_mkdirat fs/namei.c:4105 [inline]
 __se_sys_mkdirat fs/namei.c:4103 [inline]
 __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4103
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142
 do_el0_svc+0x58/0x14c arch/arm64/kernel/syscall.c:181
 el0_svc+0x78/0x1e0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0xcc/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 97b3111f f94003e8 91002113 d343fe68 (38fa6908) 
---[ end trace c51af9ef0dbbec5c ]---
----------------
Code disassembly (best guess):
   0:	97b3111f 	bl	0xfffffffffecc447c
   4:	f94003e8 	ldr	x8, [sp]
   8:	91002113 	add	x19, x8, #0x8
   c:	d343fe68 	lsr	x8, x19, #3
* 10:	38fa6908 	ldrsb	w8, [x8, x26] <-- trapping instruction