do_group_exit+0xd5/0x2a0 kernel/exit.c:1112
 get_signal+0x1ec7/0x21e0 kernel/signal.c:3034
 arch_do_signal_or_restart+0x91/0x7a0 arch/x86/kernel/signal.c:337
 __exit_to_user_mode_loop kernel/entry/common.c:41 [inline]
 exit_to_user_mode_loop+0x86/0x4b0 kernel/entry/common.c:75
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 6788 Comm: syz.2.212 Not tainted syzkaller #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2 04/01/2014
RIP: 0010:__filemap_add_folio+0xf7f/0x1220 mm/filemap.c:858
Code: cb c6 ff 48 c7 c6 20 19 9d 8b 4c 89 ef e8 a9 0b 12 00 90 0f 0b e8 61 cb c6 ff 48 c7 c6 80 19 9d 8b 4c 89 ef e8 92 0b 12 00 90 <0f> 0b e8 4a cb c6 ff 90 0f 0b 90 e9 9b fe ff ff e8 3c cb c6 ff 90
RSP: 0018:ffffc9000f8973f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802a43c980 RSI: ffffffff825240c8 RDI: ffff88802a43ce04
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000004
R13: ffffea0000f55600 R14: 0000000000000002 R15: 000000000000b250
FS:  00007febd48766c0(0000) GS:ffff8880d67dc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555744aa28 CR3: 0000000055189000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:966
 ra_alloc_folio mm/readahead.c:453 [inline]
 page_cache_ra_order+0x614/0xfe0 mm/readahead.c:512
 page_cache_async_ra+0x7bb/0xce0 mm/readahead.c:697
 do_async_mmap_readahead mm/filemap.c:3436 [inline]
 filemap_fault+0xfa6/0x37c0 mm/filemap.c:3535
 __do_fault+0x10d/0x550 mm/memory.c:5323
 do_read_fault mm/memory.c:5758 [inline]
 do_fault+0xaf9/0x1990 mm/memory.c:5892
 do_pte_missing mm/memory.c:4404 [inline]
 handle_pte_fault mm/memory.c:6276 [inline]
 __handle_mm_fault+0x1807/0x2b50 mm/memory.c:6414
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6583
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0xf9c/0x34d0 mm/gup.c:1428
 populate_vma_page_range+0x267/0x3f0 mm/gup.c:1860
 __mm_populate+0x107/0x3a0 mm/gup.c:1963
 mm_populate include/linux/mm.h:3705 [inline]
 vm_mmap_pgoff+0x37f/0x470 mm/util.c:586
 ksys_mmap_pgoff+0x328/0x5b0 mm/mmap.c:604
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:82 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:82
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0xc9/0xf80 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7febd399acb9
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 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 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007febd4876028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007febd3c16090 RCX: 00007febd399acb9
RDX: 0000000001000002 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007febd3a08bf7 R08: 0000000000000005 R09: 000000002c93a000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007febd3c16128 R14: 00007febd3c16090 R15: 00007ffdd030ed28
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf7f/0x1220 mm/filemap.c:858
Code: cb c6 ff 48 c7 c6 20 19 9d 8b 4c 89 ef e8 a9 0b 12 00 90 0f 0b e8 61 cb c6 ff 48 c7 c6 80 19 9d 8b 4c 89 ef e8 92 0b 12 00 90 <0f> 0b e8 4a cb c6 ff 90 0f 0b 90 e9 9b fe ff ff e8 3c cb c6 ff 90
RSP: 0018:ffffc9000f8973f0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802a43c980 RSI: ffffffff825240c8 RDI: ffff88802a43ce04
RBP: 0000000000000002 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000002 R12: 0000000000000004
R13: ffffea0000f55600 R14: 0000000000000002 R15: 000000000000b250
FS:  00007febd48766c0(0000) GS:ffff8880d67dc000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055555744aa28 CR3: 0000000055189000 CR4: 0000000000352ef0