Unable to handle kernel paging request at virtual address 001931de001fffe3
Mem abort info:
  ESR = 0x0000000096000004
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x04: level 0 translation fault
Data abort info:
  ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000
  CM = 0, WnR = 0, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[001931de001fffe3] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 7642 Comm: syz.3.19 Not tainted 6.15.0-rc7-syzkaller-gd7fa1af5b33e #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 204000c5 (nzCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199
lr : __kasan_check_byte+0x20/0x54 mm/kasan/common.c:556
sp : ffff80009b796fd0
x29: ffff80009b796fd0 x28: ffff80008f321000 x27: ffff0000c6fe3d00
x26: ffff80008addf920 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 00cd8ef000ffff18 x21: 00cd8ef000ffff18
x20: 0000000000000000 x19: ffff80008addf920 x18: 1fffe0003386aa76
x17: ffff80010d0e8000 x16: ffff80008adbe9e4 x15: 0000000000000001
x14: 1fffe0003386d459 x13: 0000000000000000 x12: 0000000000000000
x11: ffff60003386d45a x10: 0000000000000003 x9 : dfff800000000000
x8 : 0019b1de001fffe3 x7 : ffff800080446990 x6 : ffff80008042155c
x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : ffff80008addf920 x0 : 00cd8ef000ffff18
Call trace:
 kasan_mem_to_shadow include/linux/kasan.h:64 [inline] (P)
 kasan_byte_accessible+0x10/0x20 mm/kasan/generic.c:199 (P)
 kasan_check_byte include/linux/kasan.h:399 [inline]
 lock_acquire+0xb0/0x2e0 kernel/locking/lockdep.c:5840
 __raw_spin_lock_irq include/linux/spinlock_api_smp.h:119 [inline]
 _raw_spin_lock_irq+0x58/0x70 kernel/locking/spinlock.c:170
 put_pwq_unlocked kernel/workqueue.c:1662 [inline]
 destroy_workqueue+0x8b8/0xd94 kernel/workqueue.c:5911
 __bch2_fs_free fs/bcachefs/super.c:601 [inline]
 bch2_fs_release+0x5c8/0x72c fs/bcachefs/super.c:618
 kobject_cleanup lib/kobject.c:689 [inline]
 kobject_release lib/kobject.c:720 [inline]
 kref_put include/linux/kref.h:65 [inline]
 kobject_put+0x2b0/0x438 lib/kobject.c:737
 bch2_fs_free+0x308/0x378 fs/bcachefs/super.c:681
 bch2_fs_alloc fs/bcachefs/super.c:981 [inline]
 bch2_fs_open+0x164c/0x22e8 fs/bcachefs/super.c:2210
 bch2_fs_get_tree+0x384/0xf30 fs/bcachefs/fs.c:2491
 vfs_get_tree+0x90/0x28c fs/super.c:1759
 do_new_mount+0x228/0x814 fs/namespace.c:3881
 path_mount+0x5b4/0xde0 fs/namespace.c:4208
 do_mount fs/namespace.c:4221 [inline]
 __do_sys_mount fs/namespace.c:4432 [inline]
 __se_sys_mount fs/namespace.c:4409 [inline]
 __arm64_sys_mount+0x3e8/0x468 fs/namespace.c:4409
 __invoke_syscall arch/arm64/kernel/syscall.c:35 [inline]
 invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:49
 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:132
 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:151
 el0_svc+0x58/0x17c arch/arm64/kernel/entry-common.c:767
 el0t_64_sync_handler+0x78/0x108 arch/arm64/kernel/entry-common.c:786
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: d503245f d343fc08 d2d00009 f2fbffe9 (38696908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	d503245f 	bti	c
   4:	d343fc08 	lsr	x8, x0, #3
   8:	d2d00009 	mov	x9, #0x800000000000        	// #140737488355328
   c:	f2fbffe9 	movk	x9, #0xdfff, lsl #48
* 10:	38696908 	ldrb	w8, [x8, x9] <-- trapping instruction