blkdev_bszset+0x19b/0x240 block/ioctl.c:554
 blkdev_ioctl+0x44e/0x6d0 block/ioctl.c:688
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:597 [inline]
 __se_sys_ioctl fs/ioctl.c:583 [inline]
 __x64_sys_ioctl+0x18e/0x210 fs/ioctl.c:583
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:870!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 32554 Comm: syz.3.12010 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025
RIP: 0010:__filemap_add_folio+0xf5b/0x11e0 mm/filemap.c:870
Code: 53 c7 ff 48 c7 c6 a0 6e 99 8b 4c 89 ef e8 bd 6b 11 00 90 0f 0b e8 f5 52 c7 ff 48 c7 c6 00 6f 99 8b 4c 89 ef e8 a6 6b 11 00 90 <0f> 0b e8 de 52 c7 ff 90 0f 0b 90 e9 f2 fb ff ff e8 d0 52 c7 ff 48
RSP: 0018:ffffc9000d53f430 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc9000d95f000
RDX: 0000000000080000 RSI: ffffffff81f5b76a RDI: ffff888028540484
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9081f4d7 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000d4db40 R14: 0000000000000000 R15: 1ffff92001aa7eb0
FS:  00007f8aed1d56c0(0000) GS:ffff888124b0a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f7cf4bd8ff0 CR3: 000000004909b000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000004501 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x19a/0x610 mm/filemap.c:978
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x635/0xf20 mm/readahead.c:512
 do_sync_mmap_readahead mm/filemap.c:3340 [inline]
 filemap_fault+0x1583/0x29a0 mm/filemap.c:3489
 __do_fault+0x10d/0x490 mm/memory.c:5280
 do_read_fault mm/memory.c:5698 [inline]
 do_fault mm/memory.c:5832 [inline]
 do_pte_missing+0xf4a/0x3ba0 mm/memory.c:4361
 handle_pte_fault mm/memory.c:6177 [inline]
 __handle_mm_fault+0x1556/0x2aa0 mm/memory.c:6318
 handle_mm_fault+0x589/0xd10 mm/memory.c:6487
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x54e/0x3530 mm/gup.c:1428
 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860
 __mm_populate+0x1d8/0x380 mm/gup.c:1963
 mm_populate include/linux/mm.h:3471 [inline]
 vm_mmap_pgoff+0x37f/0x470 mm/util.c:586
 ksys_mmap_pgoff+0x32c/0x5c0 mm/mmap.c:604
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xcd/0xfa0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f8aeef8efc9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8aed1d5038 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f8aef1e6090 RCX: 00007f8aeef8efc9
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f8aef011f91 R08: 0000000000000004 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8aef1e6128 R14: 00007f8aef1e6090 R15: 00007ffe5d68e078
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf5b/0x11e0 mm/filemap.c:870
Code: 53 c7 ff 48 c7 c6 a0 6e 99 8b 4c 89 ef e8 bd 6b 11 00 90 0f 0b e8 f5 52 c7 ff 48 c7 c6 00 6f 99 8b 4c 89 ef e8 a6 6b 11 00 90 <0f> 0b e8 de 52 c7 ff 90 0f 0b 90 e9 f2 fb ff ff e8 d0 52 c7 ff 48
RSP: 0018:ffffc9000d53f430 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc9000d95f000
RDX: 0000000000080000 RSI: ffffffff81f5b76a RDI: ffff888028540484
RBP: 0000000000112c00 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9081f4d7 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000d4db40 R14: 0000000000000000 R15: 1ffff92001aa7eb0
FS:  00007f8aed1d56c0(0000) GS:ffff888124b0a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2ff0aff8 CR3: 000000004909b000 CR4: 00000000003526f0