do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x174/0x580 arch/x86/entry/syscall_64.c:94
 entry_SYSCALL_64_after_hwframe+0x77/0x7f
------------[ cut here ]------------
kernel BUG at mm/filemap.c:860!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 5739 Comm: syz.3.52 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+0x11ee/0x1360 mm/filemap.c:859
Code: ff 4c 89 f7 48 c7 c6 00 fa d7 8b e8 4c 78 21 ff 90 0f 0b e8 a4 aa bf ff 48 8b 7c 24 08 48 c7 c6 00 ee d7 8b e8 33 78 21 ff 90 <0f> 0b e8 8b aa bf ff 4c 89 f7 48 c7 c6 00 fa d7 8b e8 1c 78 21 ff
RSP: 0018:ffffc9000d8e75c0 EFLAGS: 00010246
RAX: 14129c582b1eae00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8c2a9d60 RDI: 00000000ffffffff
RBP: ffffc9000d8e7740 R08: ffffffff9032d3f7 R09: 1ffffffff2065a7e
R10: dffffc0000000000 R11: fffffbfff2065a7f R12: dffffc0000000000
R13: ffff8880325508c0 R14: 0000000000000002 R15: ffff8880325509d8
FS:  000055558d9ef500(0000) GS:ffff88808c821000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007feec79e9c38 CR3: 000000003fab7000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x25e/0x530 mm/filemap.c:967
 ra_alloc_folio mm/readahead.c:472 [inline]
 page_cache_ra_order+0x715/0xf40 mm/readahead.c:539
 do_sync_mmap_readahead+0x81d/0xa50 mm/filemap.c:3432
 filemap_fault+0x867/0x1440 mm/filemap.c:3587
 __do_fault+0x138/0x2a0 mm/memory.c:5425
 do_shared_fault mm/memory.c:5924 [inline]
 do_fault mm/memory.c:5998 [inline]
 do_pte_missing+0x684/0x34b0 mm/memory.c:4566
 handle_pte_fault mm/memory.c:6379 [inline]
 __handle_mm_fault mm/memory.c:6517 [inline]
 handle_mm_fault+0x1b36/0x3080 mm/memory.c:6686
 do_user_addr_fault+0xa4d/0x1340 arch/x86/mm/fault.c:1343
 handle_page_fault arch/x86/mm/fault.c:1483 [inline]
 exc_page_fault+0x6a/0xc0 arch/x86/mm/fault.c:1536
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:595
RIP: 0033:0x7fdce356d488
Code: 66 89 74 17 02 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 c5 fa 7f 07 c5 fa 7f 4c 17 f0 c3 0f 1f 44 00 00 48 8b 4c 16 f8 48 8b 36 <48> 89 37 48 89 4c 17 f8 c3 62 e1 fe 28 6f 54 16 ff 62 e1 fe 28 6f
RSP: 002b:00007ffe57b8e068 EFLAGS: 00010202
RAX: 0000200000000080 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 0000200000000080
RBP: fffffffffffffffe R08: 0000001b2f420000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 0000000000000000
R13: 00007fdce3815fac R14: 000000000001c1b7 R15: 00007fdce3815fa0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0x11ee/0x1360 mm/filemap.c:859
Code: ff 4c 89 f7 48 c7 c6 00 fa d7 8b e8 4c 78 21 ff 90 0f 0b e8 a4 aa bf ff 48 8b 7c 24 08 48 c7 c6 00 ee d7 8b e8 33 78 21 ff 90 <0f> 0b e8 8b aa bf ff 4c 89 f7 48 c7 c6 00 fa d7 8b e8 1c 78 21 ff
RSP: 0018:ffffc9000d8e75c0 EFLAGS: 00010246
RAX: 14129c582b1eae00 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8c2a9d60 RDI: 00000000ffffffff
RBP: ffffc9000d8e7740 R08: ffffffff9032d3f7 R09: 1ffffffff2065a7e
R10: dffffc0000000000 R11: fffffbfff2065a7f R12: dffffc0000000000
R13: ffff8880325508c0 R14: 0000000000000002 R15: ffff8880325509d8
FS:  000055558d9ef500(0000) GS:ffff88808c821000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f09bbfe9c38 CR3: 000000003fab7000 CR4: 0000000000352ef0