 blkdev_ioctl+0x430/0x6d0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 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: 1 UID: 0 PID: 9138 Comm: syz.8.635 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 4d c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 9b 9b 31 ff 90 0f 0b e8 13 4d c9 ff 4c 89 e7 48 c7 c6 40 35 94 8b e8 84 9b 31 ff 90 <0f> 0b e8 fc 4c c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 6d 9b 31 ff
RSP: 0018:ffffc90002fff2c0 EFLAGS: 00010246
RAX: 57768a4c84663a00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9ba307 RDI: 00000000ffffffff
RBP: ffffc90002fff430 R08: ffffffff8fa3a737 R09: 1ffffffff1f474e6
R10: dffffc0000000000 R11: fffffbfff1f474e7 R12: ffffea0000fa7940
R13: dffffc0000000000 R14: ffffea0000fa7948 R15: 0000000000000002
FS:  00007f37c85556c0(0000) GS:ffff8881a3c13000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fb07ff8 CR3: 0000000126d28000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 filemap_add_folio+0xd5/0x270
 page_cache_ra_order+0x643/0xd40
 filemap_get_pages+0x43c/0x1ea0
 filemap_splice_read+0x581/0xc60
 splice_direct_to_actor+0x4a9/0xcc0
 do_splice_direct+0x181/0x270
 do_sendfile+0x4da/0x7e0
 __se_sys_sendfile64+0x13e/0x190
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f37c778ec29
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:00007f37c8555038 EFLAGS: 00000246 ORIG_RAX: 0000000000000028
RAX: ffffffffffffffda RBX: 00007f37c79d5fa0 RCX: 00007f37c778ec29
RDX: 0000000000000000 RSI: 0000000000000006 RDI: 0000000000000005
RBP: 00007f37c7811e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000020fffe82 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f37c79d6038 R14: 00007f37c79d5fa0 R15: 00007ffd011001d8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 4d c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 9b 9b 31 ff 90 0f 0b e8 13 4d c9 ff 4c 89 e7 48 c7 c6 40 35 94 8b e8 84 9b 31 ff 90 <0f> 0b e8 fc 4c c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 6d 9b 31 ff
RSP: 0018:ffffc90002fff2c0 EFLAGS: 00010246
RAX: 57768a4c84663a00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9ba307 RDI: 00000000ffffffff
RBP: ffffc90002fff430 R08: ffffffff8fa3a737 R09: 1ffffffff1f474e6
R10: dffffc0000000000 R11: fffffbfff1f474e7 R12: ffffea0000fa7940
R13: dffffc0000000000 R14: ffffea0000fa7948 R15: 0000000000000002
FS:  00007f37c85556c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b2fb04ff8 CR3: 0000000126d28000 CR4: 00000000000006f0
