do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x10b/0xf80 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: 14493 Comm: syz.0.2749 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+0xf81/0x1350 mm/filemap.c:859
Code: 15 a5 c3 ff 48 8d 3d ce 82 9a 0e 67 48 0f b9 3a e9 07 fd ff ff e8 ff a4 c3 ff 48 c7 c6 60 56 bd 8b 4c 89 ef e8 10 bc 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 e3 a4 c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc900055bf820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880308dca00 RSI: ffffffff82589288 RDI: ffff8880308dcec4
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000002
R13: ffffea000103a440 R14: 0000000000000000 R15: 1ffff92000ab7f2f
FS:  000055557d672500(0000) GS:ffff8880d62db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c3b1822 CR3: 0000000041db5000 CR4: 0000000000352ef0
Call Trace:
 <TASK>
 filemap_add_folio+0x1d8/0x690 mm/filemap.c:967
 ra_alloc_folio mm/readahead.c:456 [inline]
 page_cache_ra_order+0x614/0xf10 mm/readahead.c:515
 do_sync_mmap_readahead mm/filemap.c:3406 [inline]
 filemap_fault+0x1900/0x2e90 mm/filemap.c:3555
 __do_fault+0x10b/0x440 mm/memory.c:5458
 do_shared_fault mm/memory.c:5957 [inline]
 do_fault+0x2db/0x1750 mm/memory.c:6031
 do_pte_missing mm/memory.c:4550 [inline]
 handle_pte_fault mm/memory.c:6411 [inline]
 __handle_mm_fault+0x187d/0x2a00 mm/memory.c:6549
 handle_mm_fault+0x36d/0xa20 mm/memory.c:6718
 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: 0033:0x7f6d06a69d38
Code: 25 00 00 00 00 48 8d b8 d8 fe ff ff 4c 89 74 24 50 e8 5c 3b 0d 00 85 c0 75 13 48 8b 84 24 80 00 00 00 48 8b b4 24 c0 00 00 00 <48> 89 30 64 f0 83 2c 25 a0 ff ff ff 01 4c 8b 74 24 50 e9 91 f5 ff
RSP: 002b:00007fffd1138620 EFLAGS: 00010246
RAX: 00002000000001c0 RBX: 0000000000000002 RCX: 000000000000002a
RDX: 9c4e2488e247aa28 RSI: 0000000000000000 RDI: 000055557d6723d8
RBP: fffffffffffffffe R08: 0000001b2e120000 R09: 000000000000000f
R10: 00001fffffffffff R11: 0000000000000006 R12: 00007fffd1138740
R13: 00007f6d06e1618c R14: 000000000005e8fe R15: 00007fffd1138720
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf81/0x1350 mm/filemap.c:859
Code: 15 a5 c3 ff 48 8d 3d ce 82 9a 0e 67 48 0f b9 3a e9 07 fd ff ff e8 ff a4 c3 ff 48 c7 c6 60 56 bd 8b 4c 89 ef e8 10 bc 12 00 90 <0f> 0b 4c 8b 6c 24 60 e8 e3 a4 c3 ff 48 c7 84 24 a0 00 00 00 03 00
RSP: 0018:ffffc900055bf820 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: ffff8880308dca00 RSI: ffffffff82589288 RDI: ffff8880308dcec4
RBP: 0000000000112cc0 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000002
R13: ffffea000103a440 R14: 0000000000000000 R15: 1ffff92000ab7f2f
FS:  000055557d672500(0000) GS:ffff8880d64db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000565067f8b300 CR3: 0000000041db5000 CR4: 0000000000352ef0
DR0: ffffffffffffffff DR1: 00000000000001f8 DR2: 0000000000000002
DR3: ffffffffefffff15 DR6: 00000000ffff0ff0 DR7: 0000000000000400