 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: 0 UID: 0 PID: 7725 Comm: syz.0.207 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 e0 3b 94 8b e8 ab 9b 31 ff 90 0f 0b e8 a3 4d c9 ff 4c 89 e7 48 c7 c6 c0 32 94 8b e8 94 9b 31 ff 90 <0f> 0b e8 8c 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 7d 9b 31 ff
RSP: 0018:ffffc900069b76a0 EFLAGS: 00010246
RAX: ede2e55f45131c00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b8241 RDI: 00000000ffffffff
RBP: ffffc900069b7810 R08: ffffffff8fa39037 R09: 1ffffffff1f47206
R10: dffffc0000000000 R11: fffffbfff1f47207 R12: ffffea0000abe9c0
R13: dffffc0000000000 R14: ffffea0000abe9c8 R15: 0000000000000003
FS:  00005555644ae500(0000) GS:ffff8880b8618000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32d04ff8 CR3: 000000011e566000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 filemap_add_folio+0xd5/0x270
 page_cache_ra_order+0x643/0xd40
 do_sync_mmap_readahead+0x25e/0x7a0
 filemap_fault+0x62c/0x1200
 __do_fault+0x138/0x390
 __handle_mm_fault+0x1847/0x5440
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0xa81/0x1390
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7ff989855171
Code: 48 8b 54 24 08 48 85 d2 74 17 8b 44 24 18 0f c8 89 c0 48 89 44 24 18 48 83 fa 01 0f 85 b3 01 00 00 48 8b 44 24 10 8b 54 24 18 <89> 10 e9 15 fd ff ff 48 8b 44 24 10 8b 10 48 8b 44 24 08 48 85 c0
RSP: 002b:00007fff825e5350 EFLAGS: 00010246
RAX: 0000200000000804 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 000000000000cc87 RSI: 0000000000000000 RDI: 00005555644ae3c8
RBP: 00007fff825e5458 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000002 R12: 00007ff989bc618c
R13: 00007ff989bc6180 R14: fffffffffffffffe R15: 00007fff825e54a0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 ab 9b 31 ff 90 0f 0b e8 a3 4d c9 ff 4c 89 e7 48 c7 c6 c0 32 94 8b e8 94 9b 31 ff 90 <0f> 0b e8 8c 4d c9 ff 4c 89 e7 48 c7 c6 e0 3b 94 8b e8 7d 9b 31 ff
RSP: 0018:ffffc900069b76a0 EFLAGS: 00010246
RAX: ede2e55f45131c00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b8241 RDI: 00000000ffffffff
RBP: ffffc900069b7810 R08: ffffffff8fa39037 R09: 1ffffffff1f47206
R10: dffffc0000000000 R11: fffffbfff1f47207 R12: ffffea0000abe9c0
R13: dffffc0000000000 R14: ffffea0000abe9c8 R15: 0000000000000003
FS:  00005555644ae500(0000) GS:ffff8881a3c18000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffd916b7f98 CR3: 000000011e566000 CR4: 00000000000006f0
