do_sys_openat2+0x10d/0x1e0 fs/open.c:1366
 do_sys_open fs/open.c:1372 [inline]
 __do_sys_openat fs/open.c:1388 [inline]
 __se_sys_openat fs/open.c:1383 [inline]
 __x64_sys_openat+0x12d/0x210 fs/open.c:1383
 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
 do_syscall_64+0x106/0xf80 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: 1 UID: 0 PID: 13282 Comm: syz.1.2099 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: bb c5 ff 48 c7 c6 a0 33 bd 8b 4c 89 ef e8 e9 0c 12 00 90 0f 0b e8 c1 bb c5 ff 48 c7 c6 00 34 bd 8b 4c 89 ef e8 d2 0c 12 00 90 <0f> 0b e8 aa bb c5 ff 90 0f 0b 90 e9 9b fe ff ff e8 9c bb c5 ff 90
RSP: 0018:ffffc90021077808 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff8880292bc900 RSI: ffffffff82535fe8 RDI: ffff8880292bcd84
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea000145ca80 R14: 0000000000000000 R15: 1ffff9200420ef2b
FS:  000055555570c500(0000) GS:ffff8880d649d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000001c0 CR3: 0000000042d2e000 CR4: 0000000000352ef0
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: 0033:0x7fd9bb96c648
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:00007fffac4d9218 EFLAGS: 00010202
RAX: 00002000000001c0 RBX: 0000000000000004 RCX: 0030626c6c756e2f
RDX: 000000000000000c RSI: 6c756e2f7665642f RDI: 00002000000001c0
RBP: fffffffffffffffe R08: 0000001b2dc20000 R09: 0000000000000001
R10: 7ffffffffffffff3 R11: 0000000000000009 R12: 00007fffac4d9340
R13: 00007fd9bbc1609c R14: 0000000000029039 R15: 00007fffac4d9320
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf7f/0x1220 mm/filemap.c:858
Code: bb c5 ff 48 c7 c6 a0 33 bd 8b 4c 89 ef e8 e9 0c 12 00 90 0f 0b e8 c1 bb c5 ff 48 c7 c6 00 34 bd 8b 4c 89 ef e8 d2 0c 12 00 90 <0f> 0b e8 aa bb c5 ff 90 0f 0b 90 e9 9b fe ff ff e8 9c bb c5 ff 90
RSP: 0018:ffffc90021077808 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff8880292bc900 RSI: ffffffff82535fe8 RDI: ffff8880292bcd84
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000002
R13: ffffea000145ca80 R14: 0000000000000000 R15: 1ffff9200420ef2b
FS:  000055555570c500(0000) GS:ffff8880d649d000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00002000000001c0 CR3: 0000000042d2e000 CR4: 0000000000352ef0