 sysvec_apic_timer_interrupt+0xa6/0xc0
 asm_sysvec_apic_timer_interrupt+0x1a/0x20
------------[ cut here ]------------
kernel BUG at mm/filemap.c:868!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 1 UID: 0 PID: 10641 Comm: syz.5.1578 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: 4f c9 ff 4c 89 e7 48 c7 c6 60 3b 94 8b e8 9b a0 31 ff 90 0f 0b e8 b3 4f c9 ff 4c 89 e7 48 c7 c6 40 32 94 8b e8 84 a0 31 ff 90 <0f> 0b e8 9c 4f c9 ff 4c 89 e7 48 c7 c6 60 3b 94 8b e8 6d a0 31 ff
RSP: 0018:ffffc900047ff220 EFLAGS: 00010246
RAX: 78a8a2d29a462700 RBX: 0000000000000000 RCX: 78a8a2d29a462700
RDX: 0000000000000000 RSI: ffffffff8be33660 RDI: ffff888028533980
RBP: ffffc900047ff390 R08: ffffffff8fa38337 R09: 1ffffffff1f47066
R10: dffffc0000000000 R11: fffffbfff1f47067 R12: ffffea0004978240
R13: dffffc0000000000 R14: ffffea0004978248 R15: 0000000000000002
FS:  00007fa2e14096c0(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003b022000 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+0x764/0x1390
 exc_page_fault+0x76/0xf0
 asm_exc_page_fault+0x26/0x30
RIP: 0010:rep_movs_alternative+0x33/0x90
Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 e9 8d 09 04 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb
RSP: 0018:ffffc900047ffb88 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: 0000000000000000 RSI: ffffc900047ffc20 RDI: 0000200000022808
RBP: ffffc900047ffc90 R08: ffffc900047ffc27 R09: 1ffff920008fff84
R10: dffffc0000000000 R11: fffff520008fff85 R12: 0000200000022810
R13: 00007ffffffff000 R14: ffffc900047ffc20 R15: 0000200000022808
 _copy_to_user+0x8a/0xb0
 msr_read+0x177/0x250
 vfs_read+0x200/0xa30
 ksys_read+0x145/0x250
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa2e058ebe9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fa2e1409038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007fa2e07b5fa0 RCX: 00007fa2e058ebe9
RDX: 0000000000018ff8 RSI: 0000200000019680 RDI: 0000000000000008
RBP: 00007fa2e0611e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fa2e07b6038 R14: 00007fa2e07b5fa0 R15: 00007ffe36fc4d28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 4f c9 ff 4c 89 e7 48 c7 c6 60 3b 94 8b e8 9b a0 31 ff 90 0f 0b e8 b3 4f c9 ff 4c 89 e7 48 c7 c6 40 32 94 8b e8 84 a0 31 ff 90 <0f> 0b e8 9c 4f c9 ff 4c 89 e7 48 c7 c6 60 3b 94 8b e8 6d a0 31 ff
RSP: 0018:ffffc900047ff220 EFLAGS: 00010246
RAX: 78a8a2d29a462700 RBX: 0000000000000000 RCX: 78a8a2d29a462700
RDX: 0000000000000000 RSI: ffffffff8be33660 RDI: ffff888028533980
RBP: ffffc900047ff390 R08: ffffffff8fa38337 R09: 1ffffffff1f47066
R10: dffffc0000000000 R11: fffffbfff1f47067 R12: ffffea0004978240
R13: dffffc0000000000 R14: ffffea0004978248 R15: 0000000000000002
FS:  00007fa2e14096c0(0000) GS:ffff8881a3c1b000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003b022000 CR4: 00000000000006f0
