Unable to handle kernel paging request at virtual address ffff00012367c23d
KASAN: maybe wild-memory-access in range [0xfffc00091b3e11e8-0xfffc00091b3e11ef]
Mem abort info:
  ESR = 0x0000000096000061
  EC = 0x25: DABT (current EL), IL = 32 bits
  SET = 0, FnV = 0
  EA = 0, S1PTW = 0
  FSC = 0x21: alignment fault
Data abort info:
  ISV = 0, ISS = 0x00000061, ISS2 = 0x00000000
  CM = 0, WnR = 1, TnD = 0, TagAccess = 0
  GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000206b5f000
[ffff00012367c23d] pgd=0000000000000000, p4d=180000023ffff403, pud=180000023f21a403, pmd=180000023f0fe403, pte=006800016367c707
Internal error: Oops: 0000000096000061 [#1]  SMP
Modules linked in:
CPU: 0 UID: 0 PID: 10 Comm: kworker/0:1 Not tainted syzkaller #0 PREEMPT 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/30/2025
Workqueue: bcachefs_write_ref bch2_do_discards_work
pstate: 63400005 (nZCv daif +PAN -UAO +TCO +DIT -SSBS BTYPE=--)
pc : raw_atomic_set_release include/linux/atomic/atomic-arch-fallback.h:524 [inline]
pc : atomic_set_release include/linux/atomic/atomic-instrumented.h:87 [inline]
pc : closure_init_stack_release include/linux/closure.h:335 [inline]
pc : __bch2_trans_get+0x754/0x9d4 fs/bcachefs/btree_iter.c:3510
lr : raw_atomic_set_release include/linux/atomic/atomic-arch-fallback.h:524 [inline]
lr : atomic_set_release include/linux/atomic/atomic-instrumented.h:87 [inline]
lr : closure_init_stack_release include/linux/closure.h:335 [inline]
lr : __bch2_trans_get+0x748/0x9d4 fs/bcachefs/btree_iter.c:3510
sp : ffff800097d27800
x29: ffff800097d27800 x28: dfff800000000000 x27: ffff80008f121b7e
x26: dfff800000000000 x25: 1fffe000246cf809 x24: ffff00013fb4dce0
x23: ffff00012367c045 x22: ffff00012367c04b x21: 00000000ffffbd9b
x20: ffff00012367c23d x19: ffff00012367c005 x18: 1fffe00033771c88
x17: ffff80008f85e000 x16: ffff80008afcaf48 x15: 0000000000000002
x14: 1fffe000246cf847 x13: 0000000000000000 x12: 0000000000000000
x11: ffff6000246cf849 x10: dfff800000000000 x9 : 1fffe000246cf848
x8 : 0000000040000001 x7 : 0000000000000000 x6 : 0000000000000000
x5 : 0000000000000000 x4 : 0000000000000003 x3 : ffff80008289d69c
x2 : 0000000000000001 x1 : 0000000000000004 x0 : ffff00012367c005
Call trace:
 __bch2_trans_get+0x754/0x9d4 fs/bcachefs/btree_iter.c:3511 (P)
 bch2_do_discards_work+0x118/0x740 fs/bcachefs/alloc_background.c:1947
 process_one_work+0x7e8/0x155c kernel/workqueue.c:3236
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x958/0xed8 kernel/workqueue.c:3400
 kthread+0x5fc/0x75c kernel/kthread.c:463
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:844
Code: 978f1e70 52800028 aa1303e0 72a80008 (889ffe88) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	978f1e70 	bl	0xfffffffffe3c79c0
   4:	52800028 	mov	w8, #0x1                   	// #1
   8:	aa1303e0 	mov	x0, x19
   c:	72a80008 	movk	w8, #0x4000, lsl #16
* 10:	889ffe88 	stlr	w8, [x20] <-- trapping instruction