bcachefs (loop2): starting version 1.7: mi_btree_bitmap opts=errors=continue,metadata_checksum=none,data_checksum=none,compression=lz4,nocow
bcachefs (loop2): initializing new filesystem
bcachefs (loop2): going read-write
bcachefs (loop2): marking superblocks
bcachefs (loop2): initializing freespace
Unable to handle kernel paging request at virtual address e1f9801fffe00039
KASAN: maybe wild-memory-access in range [0x0fd000ffff0001c8-0x0fd000ffff0001cf]
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
[e1f9801fffe00039] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 1 UID: 0 PID: 6648 Comm: syz.2.43 Not tainted 6.14.0-rc6-syzkaller-g059f6cbcfa70 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : __lock_acquire+0xfc/0x7904 kernel/locking/lockdep.c:5091
lr : lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
sp : ffff8000a2115680
x29: ffff8000a2115940 x28: ffff80008036313c x27: 0000000000000000
x26: ffff0001b37b0540 x25: 0000000000000000 x24: 0000000000000001
x23: 0000000000000000 x22: 1ffff00011f780cb x21: 0fd000ffff0001cb
x20: 0000000000000001 x19: 0000000000000000 x18: ffff8000a21153c0
x17: 00000000798bd4db x16: ffff8000832b7b9c x15: 0000000000000001
x14: 1fffe00019227630 x13: dfff800000000000 x12: ffff700014422af8
x11: ffff80008046c1c0 x10: ffff80008fbc0658 x9 : 00000000000000f3
x8 : 01fa001fffe00039 x7 : ffff80008036313c x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : 0000000000000000
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0fd000ffff0001cb
Call trace:
 __lock_acquire+0xfc/0x7904 kernel/locking/lockdep.c:5091 (P)
 lock_acquire+0x23c/0x724 kernel/locking/lockdep.c:5851
 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline]
 _raw_spin_lock+0x48/0x60 kernel/locking/spinlock.c:154
 __queue_work+0x8d4/0x1324
 queue_work_on+0xe0/0x1a0 kernel/workqueue.c:2392
 queue_work include/linux/workqueue.h:662 [inline]
 __bch2_btree_node_write+0x295c/0x3660 fs/bcachefs/btree_io.c:2254
 bch2_btree_node_write_trans+0x9c/0x650 fs/bcachefs/btree_io.c:2357
 btree_split+0x482c/0x6288 fs/bcachefs/btree_update_interior.c:1710
 bch2_btree_split_leaf+0x14c/0x804 fs/bcachefs/btree_update_interior.c:1859
 bch2_trans_commit_error+0x2a8/0x1130 fs/bcachefs/btree_trans_commit.c:908
 __bch2_trans_commit+0x12e0/0x6190 fs/bcachefs/btree_trans_commit.c:1089
 bch2_trans_commit fs/bcachefs/btree_update.h:183 [inline]
 bch2_dev_freespace_init+0x7c8/0x115c fs/bcachefs/alloc_background.c:2280
 bch2_fs_freespace_init+0xd8/0x200 fs/bcachefs/alloc_background.c:2329
 bch2_fs_initialize+0xa48/0x1204 fs/bcachefs/recovery.c:1154
 bch2_fs_start+0x31c/0x570 fs/bcachefs/super.c:1042
 bch2_fs_get_tree+0xa50/0x11d4 fs/bcachefs/fs.c:2203
 vfs_get_tree+0x90/0x28c fs/super.c:1814
 do_new_mount+0x278/0x900 fs/namespace.c:3560
 path_mount+0x590/0xe04 fs/namespace.c:3887
 do_mount fs/namespace.c:3900 [inline]
 __do_sys_mount fs/namespace.c:4111 [inline]
 __se_sys_mount fs/namespace.c:4088 [inline]
 __arm64_sys_mount+0x4f4/0x5d0 fs/namespace.c:4088
 __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+0x54/0x168 arch/arm64/kernel/entry-common.c:744
 el0t_64_sync_handler+0x84/0x108 arch/arm64/kernel/entry-common.c:762
 el0t_64_sync+0x198/0x19c arch/arm64/kernel/entry.S:600
Code: 9007baa8 b9465908 340090a8 d343fea8 (386d6908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	9007baa8 	adrp	x8, 0xf754000
   4:	b9465908 	ldr	w8, [x8, #1624]
   8:	340090a8 	cbz	w8, 0x121c
   c:	d343fea8 	lsr	x8, x21, #3
* 10:	386d6908 	ldrb	w8, [x8, x13] <-- trapping instruction