 blkdev_ioctl+0x437/0x6d0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0xfa0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:871!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 12780 Comm: syz.1.18266 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: 2d c9 ff 4c 89 e7 48 c7 c6 80 47 b4 8b e8 7b 4f 31 ff 90 0f 0b e8 a3 2d c9 ff 4c 89 e7 48 c7 c6 60 3e b4 8b e8 64 4f 31 ff 90 <0f> 0b e8 8c 2d c9 ff 4c 89 e7 48 c7 c6 80 47 b4 8b e8 4d 4f 31 ff
RSP: 0018:ffffc90003f1f680 EFLAGS: 00010246
RAX: 7c0a151474137b00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dbc41f4 RDI: 00000000ffffffff
RBP: ffffc90003f1f7e8 R08: ffffffff8fc45d37 R09: 1ffffffff1f88ba6
R10: dffffc0000000000 R11: fffffbfff1f88ba7 R12: ffffea0000475c40
R13: dffffc0000000000 R14: ffffea0000475c48 R15: 0000000000000002
FS:  0000555591eeb500(0000) GS:ffff8880b83dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b30323ffc CR3: 000000011717c000 CR4: 00000000000006f0
Call Trace:
 <TASK>
 filemap_add_folio+0x26d/0x540
 page_cache_ra_order+0x6bc/0xe70
 do_sync_mmap_readahead+0x25e/0x7a0
 filemap_fault+0x6b9/0x12b0
 __do_fault+0x138/0x390
 __handle_mm_fault+0x1847/0x5400
 handle_mm_fault+0x40a/0x8e0
 do_user_addr_fault+0xa7c/0x1380
 exc_page_fault+0x82/0x100
 asm_exc_page_fault+0x26/0x30
RIP: 0033:0x7f5d27158898
Code: 10 8a 0e 74 0a 0f b7 74 16 fe 66 89 74 17 fe 88 0f c3 8b 4c 16 fc 8b 36 89 4c 17 fc 89 37 c3 0f 1f 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 0f 10 54 16 f0 0f 10 5c 16 e0 0f 11 07
RSP: 002b:00007ffceaac04f8 EFLAGS: 00010246
RAX: 00002000000000c0 RBX: 0000000000000004 RCX: 0030656c69662f2e
RDX: 0000000000000008 RSI: 0030656c69662f2e RDI: 00002000000000c0
RBP: 00007f5d273d7da0 R08: 0000001b30f20000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 00007f5d273d609c
R13: 00007f5d273d6090 R14: fffffffffffffffe R15: 00007ffceaac0610
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 2d c9 ff 4c 89 e7 48 c7 c6 80 47 b4 8b e8 7b 4f 31 ff 90 0f 0b e8 a3 2d c9 ff 4c 89 e7 48 c7 c6 60 3e b4 8b e8 64 4f 31 ff 90 <0f> 0b e8 8c 2d c9 ff 4c 89 e7 48 c7 c6 80 47 b4 8b e8 4d 4f 31 ff
RSP: 0018:ffffc90003f1f680 EFLAGS: 00010246
RAX: 7c0a151474137b00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dbc41f4 RDI: 00000000ffffffff
RBP: ffffc90003f1f7e8 R08: ffffffff8fc45d37 R09: 1ffffffff1f88ba6
R10: dffffc0000000000 R11: fffffbfff1f88ba7 R12: ffffea0000475c40
R13: dffffc0000000000 R14: ffffea0000475c48 R15: 0000000000000002
FS:  0000555591eeb500(0000) GS:ffff8881a39dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3326db CR3: 000000011717c000 CR4: 00000000000006f0
