 blkdev_ioctl+0x430/0x6d0
 __se_sys_ioctl+0xfc/0x170
 do_syscall_64+0xfa/0x3b0
 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: 6321 Comm: syz.1.165 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 60 3e 94 8b e8 9b 9b 31 ff 90 0f 0b e8 13 4d c9 ff 4c 89 e7 48 c7 c6 40 35 94 8b e8 84 9b 31 ff 90 <0f> 0b e8 fc 4c c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 6d 9b 31 ff
RSP: 0018:ffffc9000640f0a0 EFLAGS: 00010246
RAX: d16d6023659cb200 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9ba2fc RDI: 00000000ffffffff
RBP: ffffc9000640f210 R08: ffffffff8fa3a737 R09: 1ffffffff1f474e6
R10: dffffc0000000000 R11: fffffbfff1f474e7 R12: ffffea0000a46cc0
R13: dffffc0000000000 R14: ffffea0000a46cc8 R15: 0000000000000002
FS:  00007f67304736c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b32514ff8 CR3: 000000011fda8000 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+0x3611/0x5440
 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+0x30/0x90
Code: 83 f9 08 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 e9 8d 0a 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
RSP: 0018:ffffc9000640fa18 EFLAGS: 00010206
RAX: 00007ffffffff001 RBX: 0000000000000038 RCX: 0000000000000038
RDX: 0000000000000001 RSI: 0000200000220000 RDI: ffffc9000640faa0
RBP: ffffc9000640fc30 R08: ffffc9000640fad7 R09: 1ffff92000c81f5a
R10: dffffc0000000000 R11: fffff52000c81f5b R12: 0000000000000002
R13: dffffc0000000000 R14: ffffc9000640faa0 R15: 0000200000220000
 _copy_from_user+0x7a/0xb0
 ___sys_recvmsg+0x12e/0x510
 do_recvmmsg+0x307/0x770
 __x64_sys_recvmmsg+0x190/0x240
 do_syscall_64+0xfa/0x3b0
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f672f58ec29
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:00007f6730473038 EFLAGS: 00000246 ORIG_RAX: 000000000000012b
RAX: ffffffffffffffda RBX: 00007f672f7d6090 RCX: 00007f672f58ec29
RDX: 0000000000010106 RSI: 00002000000000c0 RDI: 0000000000000006
RBP: 00007f672f611e41 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f672f7d6128 R14: 00007f672f7d6090 R15: 00007fffc7155ea8
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ad/0x12f0
Code: 4d c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 9b 9b 31 ff 90 0f 0b e8 13 4d c9 ff 4c 89 e7 48 c7 c6 40 35 94 8b e8 84 9b 31 ff 90 <0f> 0b e8 fc 4c c9 ff 4c 89 e7 48 c7 c6 60 3e 94 8b e8 6d 9b 31 ff
RSP: 0018:ffffc9000640f0a0 EFLAGS: 00010246
RAX: d16d6023659cb200 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000007 RSI: ffffffff8d9ba2fc RDI: 00000000ffffffff
RBP: ffffc9000640f210 R08: ffffffff8fa3a737 R09: 1ffffffff1f474e6
R10: dffffc0000000000 R11: fffffbfff1f474e7 R12: ffffea0000a46cc0
R13: dffffc0000000000 R14: ffffea0000a46cc8 R15: 0000000000000002
FS:  00007f67304736c0(0000) GS:ffff8880b8613000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000001b3260cff8 CR3: 000000011fda8000 CR4: 00000000000006f0
