 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: 16255 Comm: syz.9.3924 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 20 3e 94 8b e8 cb 8b 31 ff 90 0f 0b e8 13 4d c9 ff 4c 89 e7 48 c7 c6 00 35 94 8b e8 b4 8b 31 ff 90 <0f> 0b e8 fc 4c c9 ff 4c 89 e7 48 c7 c6 20 3e 94 8b e8 9d 8b 31 ff
RSP: 0018:ffffc90004c8f6a0 EFLAGS: 00010246
RAX: 1f8a0710c6df5f00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b9e5a RDI: 00000000ffffffff
RBP: ffffc90004c8f810 R08: ffffffff8fa3a537 R09: 1ffffffff1f474a6
R10: dffffc0000000000 R11: fffffbfff1f474a7 R12: ffffea00007b81c0
R13: dffffc0000000000 R14: ffffea00007b81c8 R15: 0000000000000002
FS:  00005555633a7500(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c38a686 CR3: 00000001083f6000 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: 0033:0x7f37b4655003
Code: 48 85 c0 74 1b 48 83 f8 01 0f 85 3b 03 00 00 0f b7 44 24 18 66 c1 c0 08 0f b7 c0 48 89 44 24 18 48 8b 44 24 10 0f b7 54 24 18 <66> 89 10 e9 82 fe ff ff 48 83 3c 24 08 0f 85 a1 02 00 00 48 8b 44
RSP: 002b:00007ffca69c2500 EFLAGS: 00010246
RAX: 0000200000000480 RBX: 0000000000000002 RCX: 0000000000000000
RDX: 0000000000000002 RSI: 0000000000000000 RDI: 00005555633a73c8
RBP: 00007ffca69c2608 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00007f37b49d618c
R13: 00007f37b49d6180 R14: fffffffffffffffe R15: 00007ffca69c2650
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 4d c9 ff 4c 89 e7 48 c7 c6 20 3e 94 8b e8 cb 8b 31 ff 90 0f 0b e8 13 4d c9 ff 4c 89 e7 48 c7 c6 00 35 94 8b e8 b4 8b 31 ff 90 <0f> 0b e8 fc 4c c9 ff 4c 89 e7 48 c7 c6 20 3e 94 8b e8 9d 8b 31 ff
RSP: 0018:ffffc90004c8f6a0 EFLAGS: 00010246
RAX: 1f8a0710c6df5f00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b9e5a RDI: 00000000ffffffff
RBP: ffffc90004c8f810 R08: ffffffff8fa3a537 R09: 1ffffffff1f474a6
R10: dffffc0000000000 R11: fffffbfff1f474a7 R12: ffffea00007b81c0
R13: dffffc0000000000 R14: ffffea00007b81c8 R15: 0000000000000002
FS:  00005555633a7500(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c346ffc CR3: 00000001083f6000 CR4: 00000000000006f0
