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
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 23607 Comm: syz.5.5192 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+0xf7f/0x1220 mm/filemap.c:858
Code: c9 c6 ff 48 c7 c6 a0 18 9d 8b 4c 89 ef e8 99 0d 12 00 90 0f 0b e8 51 c9 c6 ff 48 c7 c6 00 19 9d 8b 4c 89 ef e8 82 0d 12 00 90 <0f> 0b e8 3a c9 c6 ff 90 0f 0b 90 e9 9b fe ff ff e8 2c c9 c6 ff 90
RSP: 0018:ffffc900070d7808 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88804690c980 RSI: ffffffff82524068 RDI: ffff88804690ce04
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea00011bcb80 R14: 0000000000000000 R15: 1ffff92000e1af2b
FS:  000055558d559500(0000) GS:ffff8880d65d9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003f3b3000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400
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
 do_sync_mmap_readahead mm/filemap.c:3400 [inline]
 filemap_fault+0x1b56/0x37c0 mm/filemap.c:3549
 __do_fault+0x10d/0x550 mm/memory.c:5323
 do_shared_fault mm/memory.c:5822 [inline]
 do_fault+0x2db/0x1990 mm/memory.c:5896
 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
 do_user_addr_fault+0x5a3/0x12f0 arch/x86/mm/fault.c:1334
 handle_page_fault arch/x86/mm/fault.c:1474 [inline]
 exc_page_fault+0x6f/0xd0 arch/x86/mm/fault.c:1527
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:618
RIP: 0033:0x7f37f1f6b570
Code: fa 08 73 36 48 83 ea 04 73 e0 83 fa fd 7c 10 8a 0e 74 0a 0f b7 74 16 02 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
RSP: 002b:00007ffec16a6db8 EFLAGS: 00010202
RAX: 0000200000000280 RBX: 0000000000000004 RCX: 0000000000000000
RDX: 0000000000000014 RSI: 0000001b32f20097 RDI: 0000200000000280
RBP: fffffffffffffffe R08: 0000001b33320000 R09: 0000000000000028
R10: 0000000000000014 R11: 0000000000000000 R12: 00007ffec16a6ee0
R13: 00007f37f221609c R14: 0000000000076572 R15: 00007f37f2216090
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf7f/0x1220 mm/filemap.c:858
Code: c9 c6 ff 48 c7 c6 a0 18 9d 8b 4c 89 ef e8 99 0d 12 00 90 0f 0b e8 51 c9 c6 ff 48 c7 c6 00 19 9d 8b 4c 89 ef e8 82 0d 12 00 90 <0f> 0b e8 3a c9 c6 ff 90 0f 0b 90 e9 9b fe ff ff e8 2c c9 c6 ff 90
RSP: 0018:ffffc900070d7808 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88804690c980 RSI: ffffffff82524068 RDI: ffff88804690ce04
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea00011bcb80 R14: 0000000000000000 R15: 1ffff92000e1af2b
FS:  000055558d559500(0000) GS:ffff8880d65d9000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 000000003f3b3000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000083
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400