 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: 1 UID: 0 PID: 21686 Comm: syz.1.2272 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: 24 c8 ff 4c 89 e7 48 c7 c6 a0 5e b4 8b e8 5b c5 2f ff 90 0f 0b e8 a3 24 c8 ff 4c 89 e7 48 c7 c6 80 55 b4 8b e8 44 c5 2f ff 90 <0f> 0b e8 8c 24 c8 ff 4c 89 e7 48 c7 c6 a0 5e b4 8b e8 2d c5 2f ff
RSP: 0018:ffffc900033b7680 EFLAGS: 00010246
RAX: 007275f995129a00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8db9fb67 RDI: 00000000ffffffff
RBP: ffffc900033b77e8 R08: ffffffff8fc35877 R09: 1ffffffff1f86b0e
R10: dffffc0000000000 R11: fffffbfff1f86b0f R12: ffffea000418c7c0
R13: dffffc0000000000 R14: ffffea000418c7c8 R15: 0000000000000002
FS:  0000555593533500(0000) GS:ffff8881a39fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d3de44fc8 CR3: 0000000039872000 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: 0033:0x7f2ca4758906
Code: 4c 17 f0 c3 83 fa 08 73 2b 83 fa 04 73 16 83 fa 01 7c 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
RSP: 002b:00007ffd68b82ed8 EFLAGS: 00010202
RAX: 0000200000000000 RBX: 0000000000000004 RCX: 0000000000307a79
RDX: 0000000000000005 RSI: 00000000307a7973 RDI: 0000200000000000
RBP: 0000000000000002 R08: 0000001b2eb20000 R09: 0000000000000001
R10: 0000000000000001 R11: 0000000000000009 R12: 00007f2ca49d618c
R13: 00007f2ca49d6180 R14: fffffffffffffffe R15: 0000000000000003
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 24 c8 ff 4c 89 e7 48 c7 c6 a0 5e b4 8b e8 5b c5 2f ff 90 0f 0b e8 a3 24 c8 ff 4c 89 e7 48 c7 c6 80 55 b4 8b e8 44 c5 2f ff 90 <0f> 0b e8 8c 24 c8 ff 4c 89 e7 48 c7 c6 a0 5e b4 8b e8 2d c5 2f ff
RSP: 0018:ffffc900033b7680 EFLAGS: 00010246
RAX: 007275f995129a00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8db9fb67 RDI: 00000000ffffffff
RBP: ffffc900033b77e8 R08: ffffffff8fc35877 R09: 1ffffffff1f86b0e
R10: dffffc0000000000 R11: fffffbfff1f86b0f R12: ffffea000418c7c0
R13: dffffc0000000000 R14: ffffea000418c7c8 R15: 0000000000000002
FS:  0000555593533500(0000) GS:ffff8881a39fc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1d3de44fc8 CR3: 0000000039872000 CR4: 00000000000006f0
