new_sync_write fs/read_write.c:595 [inline]
 vfs_write+0x6ac/0x1050 fs/read_write.c:687
 ksys_write+0x12a/0x250 fs/read_write.c:739
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x115/0x870 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:859!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 15501 Comm: syz.3.11849 Tainted: G             L      syzkaller #0 PREEMPT(full) 
Tainted: [L]=SOFTLOCKUP
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+0xfa4/0x1260 mm/filemap.c:859
Code: 4a c1 ff 48 c7 c6 e0 91 bd 8b 4c 89 ef e8 24 ed 12 00 90 0f 0b e8 3c 4a c1 ff 48 c7 c6 40 92 bd 8b 4c 89 ef e8 0d ed 12 00 90 <0f> 0b e8 25 4a c1 ff 90 0f 0b 90 e9 76 fe ff ff e8 17 4a c1 ff 90
RSP: 0018:ffffc9000557f820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112c00 RCX: 0000000000000000
RDX: ffff88805c170000 RSI: ffffffff825b0288 RDI: ffff88805c1704c4
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff21b45d2
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000ab3900 R14: 0000000000000000 R15: 1ffff92000aaff2e
FS:  0000555574e68500(0000) GS:ffff8880d6316000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34f646cfd0 CR3: 000000003daa5000 CR4: 0000000000352ef0
DR0: 000004000002002c DR1: fffeffffff7fff00 DR2: 0000000080000002
DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 filemap_add_folio+0x1d3/0x630 mm/filemap.c:967
 ra_alloc_folio mm/readahead.c:472 [inline]
 page_cache_ra_order+0x620/0xf50 mm/readahead.c:539
 do_sync_mmap_readahead mm/filemap.c:3432 [inline]
 filemap_fault+0x1a63/0x3340 mm/filemap.c:3587
 __do_fault+0x10b/0x440 mm/memory.c:5425
 do_shared_fault mm/memory.c:5924 [inline]
 do_fault+0x2db/0x1750 mm/memory.c:5998
 do_pte_missing mm/memory.c:4566 [inline]
 handle_pte_fault mm/memory.c:6379 [inline]
 __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6517
 handle_mm_fault+0x37b/0xa30 mm/memory.c:6686
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7f742ae665a2
Code: 30 48 8b 14 24 48 85 d2 74 17 8b 44 24 10 0f c8 89 c0 48 89 44 24 10 48 83 fa 01 0f 85 aa 02 00 00 48 8b 44 24 18 8b 74 24 10 <89> 30 e9 1e fe ff ff 48 8b 44 24 18 8b 10 48 8b 04 24 48 85 c0 0f
RSP: 002b:00007fff8cd86420 EFLAGS: 00010246
RAX: 0000200000000900 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000555574e683d8
RBP: 00007fff8cd86540 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000002 R11: 0000000000000000 R12: 00007fff8cd86580
R13: 00007f742b215fac R14: 00000000000ea732 R15: 00007f742b215fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xfa4/0x1260 mm/filemap.c:859
Code: 4a c1 ff 48 c7 c6 e0 91 bd 8b 4c 89 ef e8 24 ed 12 00 90 0f 0b e8 3c 4a c1 ff 48 c7 c6 40 92 bd 8b 4c 89 ef e8 0d ed 12 00 90 <0f> 0b e8 25 4a c1 ff 90 0f 0b 90 e9 76 fe ff ff e8 17 4a c1 ff 90
RSP: 0018:ffffc9000557f820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112c00 RCX: 0000000000000000
RDX: ffff88805c170000 RSI: ffffffff825b0288 RDI: ffff88805c1704c4
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff21b45d2
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea0000ab3900 R14: 0000000000000000 R15: 1ffff92000aaff2e
FS:  0000555574e68500(0000) GS:ffff8880d6316000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f34f646cfd0 CR3: 000000003daa5000 CR4: 0000000000352ef0
DR0: 000004000002002c DR1: fffeffffff7fff00 DR2: 0000000080000002
DR3: 0000000000000005 DR6: 00000000ffff0ff0 DR7: 0000000000000400