================================================================================
UBSAN: array-index-out-of-bounds in mm/filemap.c:2103:11
index 254 is out of range for type 'struct folio *[15]'
CPU: 0 PID: 9471 Comm: syz-executor.5 Not tainted 6.5.0-rc1-syzkaller-00259-g831fe284d827 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
Call trace:
 dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233
 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106
 dump_stack+0x1c/0x28 lib/dump_stack.c:113
 ubsan_epilogue lib/ubsan.c:217 [inline]
 __ubsan_handle_out_of_bounds+0xfc/0x148 lib/ubsan.c:348
 find_lock_entries+0xca0/0xd84 mm/filemap.c:2103
 truncate_inode_pages_range+0x1b0/0xf74 mm/truncate.c:364
 truncate_inode_pages mm/truncate.c:449 [inline]
 truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:484
 ntfs_evict_inode+0x20/0x48 fs/ntfs3/inode.c:1790
 evict+0x260/0x68c fs/inode.c:665
 iput_final fs/inode.c:1791 [inline]
 iput+0x734/0x818 fs/inode.c:1817
 ntfs_fill_super+0x3648/0x3f90 fs/ntfs3/super.c:1420
 get_tree_bdev+0x378/0x570 fs/super.c:1318
 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1647
 vfs_get_tree+0x90/0x274 fs/super.c:1519
 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335
 path_mount+0x590/0xe04 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:139
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:188
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
================================================================================
Unable to handle kernel paging request at virtual address dfff9ffff526d727
KASAN: probably user-memory-access in range [0x0000ffffa936b938-0x0000ffffa936b93f]
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
[dfff9ffff526d727] address between user and kernel address ranges
Internal error: Oops: 0000000096000004 [#1] PREEMPT SMP
Modules linked in:
CPU: 0 PID: 9471 Comm: syz-executor.5 Not tainted 6.5.0-rc1-syzkaller-00259-g831fe284d827 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/03/2023
pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : PageTail include/linux/page-flags.h:284 [inline]
pc : folio_flags include/linux/page-flags.h:311 [inline]
pc : folio_test_head include/linux/page-flags.h:769 [inline]
pc : folio_test_large include/linux/page-flags.h:790 [inline]
pc : folio_test_hugetlb+0x2c/0xf4 mm/hugetlb.c:2061
lr : folio_test_hugetlb+0x24/0xf4 mm/hugetlb.c:2060
sp : ffff8000966471d0
x29: ffff8000966471d0 x28: 0000000000000000 x27: ffff8000966472a8
x26: ffff8000966472b8 x25: dfff800000000000 x24: ffff800096647560
x23: 1ffff00012cc8e84 x22: fffffffffffffffe x21: dfff800000000000
x20: 0000ffffa936b938 x19: 0000ffffa936b930 x18: 1fffe00036854dc6
x17: ffff80008dd0d000 x16: ffff80008a46f1b0 x15: ffff700012120890
x14: 1ffff00012120890 x13: 0000000000000004 x12: ffffffffffffffff
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : 00001ffff526d727 x7 : ffff80008028f0f4 x6 : 0000000000000000
x5 : 0000000000000001 x4 : 0000000000000001 x3 : ffff8000801bba48
x2 : 0000000000000001 x1 : 0000000000000000 x0 : 0000ffffa936b930
Call trace:
 PageTail include/linux/page-flags.h:284 [inline]
 folio_flags include/linux/page-flags.h:311 [inline]
 folio_test_head include/linux/page-flags.h:769 [inline]
 folio_test_large include/linux/page-flags.h:790 [inline]
 folio_test_hugetlb+0x2c/0xf4 mm/hugetlb.c:2061
 find_lock_entries+0xaf4/0xd84 mm/filemap.c:2104
 truncate_inode_pages_range+0x1b0/0xf74 mm/truncate.c:364
 truncate_inode_pages mm/truncate.c:449 [inline]
 truncate_inode_pages_final+0x90/0xc0 mm/truncate.c:484
 ntfs_evict_inode+0x20/0x48 fs/ntfs3/inode.c:1790
 evict+0x260/0x68c fs/inode.c:665
 iput_final fs/inode.c:1791 [inline]
 iput+0x734/0x818 fs/inode.c:1817
 ntfs_fill_super+0x3648/0x3f90 fs/ntfs3/super.c:1420
 get_tree_bdev+0x378/0x570 fs/super.c:1318
 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1647
 vfs_get_tree+0x90/0x274 fs/super.c:1519
 do_new_mount+0x25c/0x8c8 fs/namespace.c:3335
 path_mount+0x590/0xe04 fs/namespace.c:3662
 do_mount fs/namespace.c:3675 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __arm64_sys_mount+0x45c/0x594 fs/namespace.c:3861
 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline]
 invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52
 el0_svc_common+0x138/0x244 arch/arm64/kernel/syscall.c:139
 do_el0_svc+0x64/0x198 arch/arm64/kernel/syscall.c:188
 el0_svc+0x4c/0x160 arch/arm64/kernel/entry-common.c:647
 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:665
 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:591
Code: f2fbfff5 97ee9438 91002274 d343fe88 (38756908) 
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
   0:	f2fbfff5 	movk	x21, #0xdfff, lsl #48
   4:	97ee9438 	bl	0xffffffffffba50e4
   8:	91002274 	add	x20, x19, #0x8
   c:	d343fe88 	lsr	x8, x20, #3
* 10:	38756908 	ldrb	w8, [x8, x21] <-- trapping instruction