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: 2 UID: 0 PID: 9012 Comm: syz.3.859 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
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:ffffc9000cebf450 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc9000c001000
RDX: 0000000000080000 RSI: ffffffff81f5b8aa RDI: ffff888058678484
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9081f6d7 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea0000a85440 R14: 0000000000000000 R15: 1ffff920019d7eb4
FS:  00007f5a233606c0(0000) GS:ffff8880d6c0a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3c7986 CR3: 000000004580f000 CR4: 0000000000352ef0
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
 page_cache_sync_ra+0x66b/0xbf0 mm/readahead.c:626
 filemap_get_pages+0x717/0x1d30 mm/filemap.c:2638
 filemap_splice_read+0x5cb/0xd60 mm/filemap.c:3027
 do_splice_read fs/splice.c:982 [inline]
 do_splice_read+0x285/0x370 fs/splice.c:956
 splice_direct_to_actor+0x2a1/0xa30 fs/splice.c:1086
 do_splice_direct_actor fs/splice.c:1204 [inline]
 do_splice_direct+0x174/0x240 fs/splice.c:1230
 do_sendfile+0xb06/0xe50 fs/read_write.c:1370
 __do_sys_sendfile64 fs/read_write.c:1431 [inline]
 __se_sys_sendfile64 fs/read_write.c:1417 [inline]
 __x64_sys_sendfile64+0x1d8/0x220 fs/read_write.c:1417
 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: 0033:0x7f5a2258efc9
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:00007f5a23360038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f5a227e5fa0 RCX: 00007f5a2258efc9
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000006
RBP: 00007f5a22611f91 R08: 0000000000000000 R09: 0000000000000000
R10: 00000000002000fb R11: 0000000000000246 R12: 0000000000000000
R13: 00007f5a227e6038 R14: 00007f5a227e5fa0 R15: 00007ffc99588248
 </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:ffffc9000cebf450 EFLAGS: 00010246
RAX: 0000000000080000 RBX: 0000000000000000 RCX: ffffc9000c001000
RDX: 0000000000080000 RSI: ffffffff81f5b8aa RDI: ffff888058678484
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9081f6d7 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea0000a85440 R14: 0000000000000000 R15: 1ffff920019d7eb4
FS:  00007f5a233606c0(0000) GS:ffff8880d6d0a000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055bc2c36dad8 CR3: 000000004580f000 CR4: 0000000000352ef0