 __x64_sys_exit_group+0x3f/0x40
 x64_sys_call+0x21f7/0x2200
 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: 15943 Comm: syz.5.2923 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:ffffc900070cf680 EFLAGS: 00010246
RAX: 377031b34ec0d100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dbc41e9 RDI: 00000000ffffffff
RBP: ffffc900070cf7e8 R08: ffffffff8fc45d37 R09: 1ffffffff1f88ba6
R10: dffffc0000000000 R11: fffffbfff1f88ba7 R12: ffffea0000aae100
R13: dffffc0000000000 R14: ffffea0000aae108 R15: 0000000000000002
FS:  0000555555c37500(0000) GS:ffff8880b83dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47c1c90fe0 CR3: 000000010a6da000 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: 0033:0x7f057aa55113
Code: 8b 44 24 08 48 85 c0 74 17 48 8b 54 24 18 48 0f ca 48 89 54 24 18 48 83 f8 01 0f 85 7a 02 00 00 48 8b 44 24 10 48 8b 54 24 18 <48> 89 10 e9 d2 fd ff ff 48 8b 44 24 10 0f b7 10 48 8b 44 24 08 48
RSP: 002b:00007ffd59876ce0 EFLAGS: 00010246
RAX: 0000200000000140 RBX: 0000000000000008 RCX: 0000000000000000
RDX: 0000000000000008 RSI: 0000000000000000 RDI: 0000555555c373c8
RBP: 00007ffd59876de8 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: 00007f057add618c
R13: 00007f057add6180 R14: fffffffffffffffe R15: 0000000000000003
 </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:ffffc900070cf680 EFLAGS: 00010246
RAX: 377031b34ec0d100 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8dbc41e9 RDI: 00000000ffffffff
RBP: ffffc900070cf7e8 R08: ffffffff8fc45d37 R09: 1ffffffff1f88ba6
R10: dffffc0000000000 R11: fffffbfff1f88ba7 R12: ffffea0000aae100
R13: dffffc0000000000 R14: ffffea0000aae108 R15: 0000000000000002
FS:  0000555555c37500(0000) GS:ffff8880b83dd000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f47c1c90fe0 CR3: 000000010a6da000 CR4: 00000000000006f0
