folios_put_refs+0x559/0x640 mm/swap.c:997
 folio_batch_release include/linux/pagevec.h:101 [inline]
 truncate_inode_pages_range+0x346/0xda0 mm/truncate.c:383
 kill_bdev block/bdev.c:91 [inline]
 set_blocksize+0x32a/0x500 block/bdev.c:207
 blkdev_bszset+0x1ac/0x220 block/ioctl.c:554
 blkdev_ioctl+0x430/0x6d0 block/ioctl.c:688
 vfs_ioctl fs/ioctl.c:51 [inline]
 __do_sys_ioctl fs/ioctl.c:598 [inline]
 __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:584
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:868!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6666 Comm: syz.2.182 Not tainted 6.16.0-next-20250808-syzkaller #0 PREEMPT(full) 
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867
Code: 50 c9 ff 4c 89 e7 48 c7 c6 a0 3d b4 8b e8 bb 4a 31 ff 90 0f 0b e8 13 50 c9 ff 4c 89 e7 48 c7 c6 80 34 b4 8b e8 a4 4a 31 ff 90 <0f> 0b e8 fc 4f c9 ff 4c 89 e7 48 c7 c6 a0 3d b4 8b e8 8d 4a 31 ff
RSP: 0018:ffffc900038e72c0 EFLAGS: 00010246
RAX: b9812840e6a9e100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dc91f97 RDI: 00000000ffffffff
RBP: ffffc900038e7430 R08: ffffffff8fe4c437 R09: 1ffffffff1fc9886
R10: dffffc0000000000 R11: fffffbfff1fc9887 R12: ffffea0001f564c0
R13: dffffc0000000000 R14: ffffea0001f564c8 R15: 0000000000000004
FS:  00007fa0144486c0(0000) GS:ffff8881257db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000007440 CR3: 0000000075896000 CR4: 00000000003526f0
Call Trace:
 <TASK>
 filemap_add_folio+0xd5/0x270 mm/filemap.c:969
 ra_alloc_folio mm/readahead.c:448 [inline]
 page_cache_ra_order+0x643/0xd40 mm/readahead.c:506
 filemap_get_pages+0x486/0x1da0 mm/filemap.c:2604
 filemap_splice_read+0x581/0xc60 mm/filemap.c:2992
 do_splice_read fs/splice.c:979 [inline]
 splice_direct_to_actor+0x4a9/0xcc0 fs/splice.c:1083
 do_splice_direct_actor fs/splice.c:1201 [inline]
 do_splice_direct+0x181/0x270 fs/splice.c:1227
 do_sendfile+0x4da/0x7e0 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64+0x13e/0x190 fs/read_write.c:1417
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa01358ebe9
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:00007fa014448038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007fa0137b6180 RCX: 00007fa01358ebe9
RDX: 0000000000000000 RSI: 0000000000000003 RDI: 0000000000000004
RBP: 00007fa013611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 000000007fffefff R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa0137b6218 R14: 00007fa0137b6180 R15: 00007ffd64eb85e8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0 mm/filemap.c:867
Code: 50 c9 ff 4c 89 e7 48 c7 c6 a0 3d b4 8b e8 bb 4a 31 ff 90 0f 0b e8 13 50 c9 ff 4c 89 e7 48 c7 c6 80 34 b4 8b e8 a4 4a 31 ff 90 <0f> 0b e8 fc 4f c9 ff 4c 89 e7 48 c7 c6 a0 3d b4 8b e8 8d 4a 31 ff
RSP: 0018:ffffc900038e72c0 EFLAGS: 00010246
RAX: b9812840e6a9e100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dc91f97 RDI: 00000000ffffffff
RBP: ffffc900038e7430 R08: ffffffff8fe4c437 R09: 1ffffffff1fc9886
R10: dffffc0000000000 R11: fffffbfff1fc9887 R12: ffffea0001f564c0
R13: dffffc0000000000 R14: ffffea0001f564c8 R15: 0000000000000004
FS:  00007fa0144486c0(0000) GS:ffff8881257db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000007440 CR3: 0000000075896000 CR4: 00000000003526f0