IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready
Unable to handle kernel paging request at virtual address dfff8000000000bd
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
[dfff8000000000bd] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 136 Comm: kworker/u4:1 Not tainted 5.15.189-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: writeback wb_workfn (flush-7:0)
pstate: 82400005 (Nzcv daif +PAN -UAO +TCO -DIT -SSBS BTYPE=--)
pc : bio_associate_blkg_from_css+0xf8/0x858 block/blk-cgroup.c:1878
lr : bio_associate_blkg_from_css+0xd0/0x858 block/blk-cgroup.c:1875
sp : ffff80001bda6c20
x29: ffff80001bda6c60 x28: ffff80001af74990 x27: dfff800000000000
x26: ffff80001af74880 x25: ffff0000d486fb48 x24: dfff800000000000
x23: 1fffe0001a90df69 x22: ffff0000d486fb00 x21: 00000000000005e8
x20: ffff0000d486fb08 x19: 1fffe0001a90df61 x18: 0000000000000000
x17: ffff800016d04000 x16: ffff8000082bf708 x15: ffff80000899bcd0
x14: ffff80000899d4ac x13: 1ffff0000282e06b x12: 0000000000ff0100
x11: 0000000000000000 x10: 0000000000000000 x9 : ffff80000a637934
x8 : 00000000000000bd x7 : ffff80000a638808 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff80001af74880 x0 : ffff0000d486fb00
Call trace:
 bio_associate_blkg_from_css+0xf8/0x858 block/blk-cgroup.c:1878
 bio_associate_blkg+0x24c/0x374 block/blk-cgroup.c:1904
 lbmStartIO+0x1b0/0x434 fs/jfs/jfs_logmgr.c:2130
 lbmWrite+0x2f4/0x3f0 fs/jfs/jfs_logmgr.c:2079
 lmGCwrite fs/jfs/jfs_logmgr.c:-1 [inline]
 jfs_flush_journal+0x428/0xd40 fs/jfs/jfs_logmgr.c:1556
 metapage_writepage+0x3f0/0xce0 fs/jfs/jfs_metapage.c:374
 __writepage+0x70/0x120 mm/page-writeback.c:2342
 write_cache_pages+0x7c8/0xde4 mm/page-writeback.c:2277
 generic_writepages mm/page-writeback.c:2368 [inline]
 do_writepages+0x3cc/0x578 mm/page-writeback.c:2388
 __writeback_single_inode+0x148/0x11f0 fs/fs-writeback.c:1647
 writeback_sb_inodes+0x7fc/0x1378 fs/fs-writeback.c:1930
 wb_writeback+0x3d8/0xe44 fs/fs-writeback.c:2104
 wb_do_writeback fs/fs-writeback.c:2247 [inline]
 wb_workfn+0x350/0xdd8 fs/fs-writeback.c:2288
 process_one_work+0x79c/0x1140 kernel/workqueue.c:2310
 worker_thread+0x8f4/0x101c kernel/workqueue.c:2457
 kthread+0x374/0x454 kernel/kthread.c:334
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:855
Code: 978814a5 f9400288 9117a115 d343fea8 (387b6908) 
---[ end trace d7b70007cac54c8b ]---
----------------
Code disassembly (best guess):
   0:	978814a5 	bl	0xfffffffffe205294
   4:	f9400288 	ldr	x8, [x20]
   8:	9117a115 	add	x21, x8, #0x5e8
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction