process_scheduled_works kernel/workqueue.c:3340 [inline]
 worker_thread+0x5da/0xe40 kernel/workqueue.c:3421
 kthread+0x3b3/0x730 kernel/kthread.c:463
 ret_from_fork+0x754/0xaf0 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:246
------------[ cut here ]------------
kernel BUG at mm/filemap.c:858!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 2 UID: 0 PID: 28585 Comm: syz.4.5626 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: cb c6 ff 48 c7 c6 20 19 9d 8b 4c 89 ef e8 a9 0b 12 00 90 0f 0b e8 01 cb c6 ff 48 c7 c6 80 19 9d 8b 4c 89 ef e8 92 0b 12 00 90 <0f> 0b e8 ea ca c6 ff 90 0f 0b 90 e9 9b fe ff ff e8 dc ca c6 ff 90
RSP: 0018:ffffc9000c797808 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802c61c980 RSI: ffffffff82523c88 RDI: ffff88802c61ce04
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000002
R13: ffffea000131ac80 R14: 0000000000000000 R15: 1ffff920018f2f2b
FS:  0000555570f07500(0000) GS:ffff8880d67db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f2662c17dac CR3: 0000000047530000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000008
DR3: 0000000000000000 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: 0033:0x7f82fd16b535
Code: fe 28 6f 06 48 83 fa 40 0f 87 a7 00 00 00 62 e1 fe 28 6f 4c 16 ff 62 e1 fe 28 7f 07 62 e1 fe 28 7f 4c 17 ff c3 8b 0e 8b 34 16 <89> 0f 89 34 17 c3 0f 1f 44 00 00 83 fa 10 73 21 83 fa 08 73 36 48
RSP: 002b:00007ffded39dc98 EFLAGS: 00010202
RAX: 0000200000000100 RBX: 0000000000000004 RCX: 000000007074326c
RDX: 0000000000000001 RSI: 0000000000707432 RDI: 0000200000000100
RBP: fffffffffffffffe R08: 0000001b2ee20000 R09: 0000000000000001
R10: 7ffffffffffffffa R11: 0000000000000009 R12: 00007ffded39ddc0
R13: 00007f82fd415fac R14: 000000000008dbf2 R15: 00007ffded39dda0
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__filemap_add_folio+0xf7f/0x1220 mm/filemap.c:858
Code: cb c6 ff 48 c7 c6 20 19 9d 8b 4c 89 ef e8 a9 0b 12 00 90 0f 0b e8 01 cb c6 ff 48 c7 c6 80 19 9d 8b 4c 89 ef e8 92 0b 12 00 90 <0f> 0b e8 ea ca c6 ff 90 0f 0b 90 e9 9b fe ff ff e8 dc ca c6 ff 90
RSP: 0018:ffffc9000c797808 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000112cc0 RCX: 0000000000000000
RDX: ffff88802c61c980 RSI: ffffffff82523c88 RDI: ffff88802c61ce04
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000001 R11: 0000000000000003 R12: 0000000000000002
R13: ffffea000131ac80 R14: 0000000000000000 R15: 1ffff920018f2f2b
FS:  0000555570f07500(0000) GS:ffff8880d67db000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc0beb2ffc CR3: 0000000047530000 CR4: 0000000000352ef0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000008
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400