do_sys_openat2+0x163/0x1d0 fs/open.c:1442
 do_sys_open fs/open.c:1448 [inline]
 __do_sys_openat fs/open.c:1464 [inline]
 __se_sys_openat fs/open.c:1459 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1459
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 1 UID: 0 PID: 7178 Comm: syz.1.340 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+0x1033/0x12f0 mm/filemap.c:858
Code: 53 be ff 48 c7 c6 00 e5 fe 8b 4c 89 ef e8 95 fa 12 00 90 0f 0b e8 4d 53 be ff 48 c7 c6 60 e5 fe 8b 4c 89 ef e8 7e fa 12 00 90 <0f> 0b e8 36 53 be ff 90 0f 0b 90 e9 76 fe ff ff e8 28 53 be ff 90
RSP: 0018:ffffc90004af73a0 EFLAGS: 00010283
RAX: 0000000000016af4 RBX: 0000000000112cc0 RCX: ffffc90025502000
RDX: 0000000000080000 RSI: ffffffff826107b8 RDI: ffff88802e2e84c4
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea00016c3780 R14: 0000000000000000 R15: 1ffff9200095ee9f
FS:  00007f2cc97e76c0(0000) GS:ffff8880d4830000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cc97c5ff8 CR3: 000000002fa13000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d3/0x640 mm/filemap.c:972
 ra_alloc_folio mm/readahead.c:470 [inline]
 page_cache_ra_order+0x602/0xed0 mm/readahead.c:535
 do_sync_mmap_readahead mm/filemap.c:3443 [inline]
 filemap_fault+0x1943/0x3130 mm/filemap.c:3597
 __do_fault+0x10b/0x440 mm/memory.c:5565
 do_read_fault mm/memory.c:6000 [inline]
 do_fault+0xb3f/0x1830 mm/memory.c:6134
 do_pte_missing mm/memory.c:4700 [inline]
 handle_pte_fault mm/memory.c:6558 [inline]
 __handle_mm_fault+0x150b/0x2f60 mm/memory.c:6707
 handle_mm_fault+0x363/0xa20 mm/memory.c:6876
 faultin_page mm/gup.c:1126 [inline]
 __get_user_pages+0x8a9/0x2c20 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:4288 [inline]
 vm_mmap_pgoff+0x441/0x470 mm/util.c:586
 ksys_mmap_pgoff+0x3cb/0x610 mm/mmap.c:619
 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:96 [inline]
 __se_sys_mmap arch/x86/kernel/sys_x86_64.c:89 [inline]
 __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:89
 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline]
 do_syscall_64+0x123/0x790 arch/x86/entry/syscall_64.c:84
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f2cc899f559
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:00007f2cc97e7028 EFLAGS: 00000246 ORIG_RAX: 0000000000000009
RAX: ffffffffffffffda RBX: 00007f2cc8c26090 RCX: 00007f2cc899f559
RDX: 0000000000000007 RSI: 0000000000b36000 RDI: 0000200000000000
RBP: 00007f2cc8a36b20 R08: 0000000000000007 R09: 000000002cb25000
R10: 0000000000028011 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f2cc8c26128 R14: 00007f2cc8c26090 R15: 00007ffc9f4d8e18
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x1033/0x12f0 mm/filemap.c:858
Code: 53 be ff 48 c7 c6 00 e5 fe 8b 4c 89 ef e8 95 fa 12 00 90 0f 0b e8 4d 53 be ff 48 c7 c6 60 e5 fe 8b 4c 89 ef e8 7e fa 12 00 90 <0f> 0b e8 36 53 be ff 90 0f 0b 90 e9 76 fe ff ff e8 28 53 be ff 90
RSP: 0018:ffffc90004af73a0 EFLAGS: 00010283
RAX: 0000000000016af4 RBX: 0000000000112cc0 RCX: ffffc90025502000
RDX: 0000000000080000 RSI: ffffffff826107b8 RDI: ffff88802e2e84c4
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000002
R13: ffffea00016c3780 R14: 0000000000000000 R15: 1ffff9200095ee9f
FS:  00007f2cc97e76c0(0000) GS:ffff8880d4830000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2cc97c5ff8 CR3: 000000002fa13000 CR4: 0000000000352ef0