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: 1 PID: 5068 Comm: syz.1.268 Not tainted 5.15.185-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : blkg_tryget_closest block/blk-cgroup.c:1842 [inline]
pc : bio_associate_blkg_from_css+0x274/0x858 block/blk-cgroup.c:1876
lr : rcu_read_lock include/linux/rcupdate.h:740 [inline]
lr : blkg_tryget_closest block/blk-cgroup.c:1840 [inline]
lr : bio_associate_blkg_from_css+0xb8/0x858 block/blk-cgroup.c:1876
sp : ffff80001f8172c0
x29: ffff80001f817300 x28: ffff0000d20f3910 x27: dfff800000000000
x26: ffff0000d20f3800 x25: ffff000100fd64c8 x24: dfff800000000000
x23: 0000000000000001 x22: 00000000000005e8 x21: 1fffe000201fac99
x20: ffff0000d20f4018 x19: 0000000000000000 x18: 0000000000000000
x17: 19ec74a6637cf1f2 x16: ffff8000111a97c4 x15: ffff8000088eb1c4
x14: ffff8000088ef73c x13: 1ffff0000282c06b x12: 0000000000080000
x11: 0000000000006ed4 x10: ffff8000209fc000 x9 : ffff80000a646844
x8 : 00000000000000bd x7 : ffff80000a647730 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000002
x2 : 0000000000000008 x1 : ffff8000117b9760 x0 : 0000000000000001
Call trace:
 blkg_tryget_closest block/blk-cgroup.c:1842 [inline]
 bio_associate_blkg_from_css+0x274/0x858 block/blk-cgroup.c:1876
 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]
 lmGroupCommit+0x3ec/0x8f0 fs/jfs/jfs_logmgr.c:695
 txCommit+0x3390/0x3c1c fs/jfs/jfs_txnmgr.c:1304
 jfs_commit_inode+0x274/0x498 fs/jfs/inode.c:108
 jfs_fsync+0x17c/0x1bc fs/jfs/file.c:37
 vfs_fsync_range+0x168/0x188 fs/sync.c:188
 generic_write_sync include/linux/fs.h:2989 [inline]
 generic_file_write_iter+0x158/0x1b4 mm/filemap.c:3948
 do_iter_readv_writev+0x3a0/0x4f8 fs/read_write.c:-1
 do_iter_write+0x1c4/0x670 fs/read_write.c:855
 vfs_writev fs/read_write.c:928 [inline]
 do_pwritev+0x1c8/0x2fc fs/read_write.c:1025
 __do_sys_pwritev2 fs/read_write.c:1084 [inline]
 __se_sys_pwritev2 fs/read_write.c:1075 [inline]
 __arm64_sys_pwritev2+0xd4/0x108 fs/read_write.c:1075
 __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: 978816c0 f94002c8 9117a116 d343fec8 (387b6908) 
---[ end trace ee80ea2990272324 ]---
----------------
Code disassembly (best guess):
   0:	978816c0 	bl	0xfffffffffe205b00
   4:	f94002c8 	ldr	x8, [x22]
   8:	9117a116 	add	x22, x8, #0x5e8
   c:	d343fec8 	lsr	x8, x22, #3
* 10:	387b6908 	ldrb	w8, [x8, x27] <-- trapping instruction