Process accounting resumed
syz.0.955: attempt to access beyond end of device
loop0: rw=0, sector=2568, nr_sectors = 1 limit=3
Unable to handle kernel paging request at virtual address dfff800000000000
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
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
[dfff800000000000] address between user and kernel address ranges
Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 7118 Comm: syz.0.955 Not tainted 6.1.112-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : PagePoisoned include/linux/page-flags.h:304 [inline]
pc : PagePrivate include/linux/page-flags.h:511 [inline]
pc : ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:1328 [inline]
pc : ntfs_perform_write+0x6530/0x6ef4 fs/ntfs/file.c:1844
lr : ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:1348 [inline]
lr : ntfs_perform_write+0x6920/0x6ef4 fs/ntfs/file.c:1844
sp : ffff8000213371c0
x29: ffff8000213375d0 x28: 0000000000000001 x27: 1fffe0001e45c3b3
x26: 00000000fffffffb x25: 0000000000000001 x24: 0000000000000000
x23: 0000000000000000 x22: fffffc0003e27ae0 x21: ffff800021337508
x20: 0000000000000c00 x19: 0000000000000001 x18: ffff800021336ea0
x17: ffff800018aa5000 x16: ffff800008303e98 x15: ffff80001858af80
x14: 1ffff00002b3a0b0 x13: dfff800000000000 x12: 0000000000040000
x11: 000000000003264b x10: ffff800021679000 x9 : dfff800000000000
x8 : dfff800000000000 x7 : ffff800009620400 x6 : 0000000000000000
x5 : 0000000000000080 x4 : 0000000000000001 x3 : ffff8000096204d0
x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000
Call trace:
 PagePoisoned include/linux/page-flags.h:304 [inline]
 PagePrivate include/linux/page-flags.h:511 [inline]
 ntfs_prepare_pages_for_non_resident_write fs/ntfs/file.c:1328 [inline]
 ntfs_perform_write+0x6530/0x6ef4 fs/ntfs/file.c:1844
 ntfs_file_write_iter+0xf78/0x17b0 fs/ntfs/file.c:1917
 __kernel_write_iter+0x264/0x600 fs/read_write.c:517
 __kernel_write+0x11c/0x174 fs/read_write.c:537
 do_acct_process+0xf3c/0x17cc kernel/acct.c:540
 acct_pin_kill+0x34/0x18c kernel/acct.c:193
 pin_kill+0x288/0x53c fs/fs_pin.c:44
 __do_sys_acct kernel/acct.c:310 [inline]
 __se_sys_acct kernel/acct.c:292 [inline]
 __arm64_sys_acct+0x290/0x6a0 kernel/acct.c:292
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:140
 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:204
 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637
 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655
 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:585
Code: f94002b8 d2d00008 f2fbffe8 d343ff17 (38686ae8) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f94002b8 	ldr	x24, [x21]
   4:	d2d00008 	mov	x8, #0x800000000000        	// #140737488355328
   8:	f2fbffe8 	movk	x8, #0xdfff, lsl #48
   c:	d343ff17 	lsr	x23, x24, #3
* 10:	38686ae8 	ldrb	w8, [x23, x8] <-- trapping instruction