 faultin_page_range+0x240/0x8d0
 madvise_do_behavior+0x2e7/0x550
page_owner free stack trace missing
------------[ cut here ]------------
kernel BUG at mm/filemap.c:868!
Oops: invalid opcode: 0000 [#1] SMP KASAN PTI
CPU: 0 UID: 0 PID: 6031 Comm: syz.2.29 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:ffffc90003baf1e0 EFLAGS: 00010246
RAX: 585675d962c30d00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b9e62 RDI: 00000000ffffffff
RBP: ffffc90003baf350 R08: ffffffff8fa3a537 R09: 1ffffffff1f474a6
R10: dffffc0000000000 R11: fffffbfff1f474a7 R12: ffffea0000f3e900
R13: dffffc0000000000 R14: ffffea0000f3e908 R15: 0000000000000002
FS:  00007fe05cbf56c0(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32720ff8 CR3: 0000000115b2c000 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+0x1719/0x5440
 handle_mm_fault+0x40a/0x8e0
 __get_user_pages+0x1699/0x2ce0
 faultin_page_range+0x240/0x8d0
 madvise_do_behavior+0x2e7/0x550
 do_madvise+0x1bc/0x270
 __x64_sys_madvise+0xa7/0xc0
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe05bd8eba9
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:00007fe05cbf5038 EFLAGS: 00000246 ORIG_RAX: 000000000000001c
RAX: ffffffffffffffda RBX: 00007fe05bfd5fa0 RCX: 00007fe05bd8eba9
RDX: 0000000000000017 RSI: 0000000000c00000 RDI: 0000200000000000
RBP: 00007fe05be11e19 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fe05bfd6038 R14: 00007fe05bfd5fa0 R15: 00007ffc31803c98
 </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:ffffc90003baf1e0 EFLAGS: 00010246

RAX: 585675d962c30d00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9b9e62 RDI: 00000000ffffffff
RBP: ffffc90003baf350 R08: ffffffff8fa3a537 R09: 1ffffffff1f474a6
R10: dffffc0000000000 R11: fffffbfff1f474a7 R12: ffffea0000f3e900
R13: dffffc0000000000 R14: ffffea0000f3e908 R15: 0000000000000002
FS:  00007fe05cbf56c0(0000) GS:ffff8880b8615000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000200000000540 CR3: 0000000115b2c000 CR4: 00000000000006f0
