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: 4870 Comm: syz.0.132 Not tainted 5.15.171-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : dtInsertEntry+0x9cc/0x1178 fs/jfs/jfs_dtree.c:4011
lr : dtInsertEntry+0x9c0/0x1178 fs/jfs/jfs_dtree.c:4011
sp : ffff80001f977260
x29: ffff80001f9773c0 x28: 0000000000000007 x27: 1fffe0001bd28750
x26: ffff0000de943a70 x25: ffff0000de943a80 x24: 0000000000000000
x23: 0000000000000000 x22: dfff800000000000 x21: ffff80001f423180
x20: ffff80001f977360 x19: 0000000000000008 x18: 0000000000000000
x17: 0000000000000002 x16: ffff8000098fbaf0 x15: 0000000000008000
x14: ffff0000c65f8000 x13: 0000000000ff0100 x12: 0000000000040000
x11: 0000000000018595 x10: ffff800020df9000 x9 : 0000000000018596
x8 : 0000000000000001 x7 : ffff8000098fb010 x6 : 0000000000000000
x5 : 0000000000000000 x4 : ffff80001f9778a0 x3 : ffff8000098e4ce8
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 dtInsertEntry+0x9cc/0x1178 fs/jfs/jfs_dtree.c:4011
 dtInsert+0x958/0x5534 fs/jfs/jfs_dtree.c:891
 jfs_mkdir+0x6bc/0xa0c fs/jfs/namei.c:270
 vfs_mkdir+0x334/0x4e4 fs/namei.c:4065
 do_mkdirat+0x20c/0x610 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+0x7c/0x1f0 arch/arm64/kernel/entry-common.c:608
 el0t_64_sync_handler+0x84/0xe4 arch/arm64/kernel/entry-common.c:626
 el0t_64_sync+0x1a0/0x1a4 arch/arm64/kernel/entry.S:584
Code: 97afb82c f94017e8 91002113 d343fe68 (38f66908) 
---[ end trace ae1153d32eccb405 ]---
----------------
Code disassembly (best guess):
   0:	97afb82c 	bl	0xfffffffffebee0b0
   4:	f94017e8 	ldr	x8, [sp, #40]
   8:	91002113 	add	x19, x8, #0x8
   c:	d343fe68 	lsr	x8, x19, #3
* 10:	38f66908 	ldrsb	w8, [x8, x22] <-- trapping instruction