process_one_work+0x9cc/0x1b70 kernel/workqueue.c:3238
 process_scheduled_works kernel/workqueue.c:3319 [inline]
 worker_thread+0x6c8/0xf10 kernel/workqueue.c:3400
 kthread+0x3c2/0x780 kernel/kthread.c:464
 ret_from_fork+0x45/0x80 arch/x86/kernel/process.c:153
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
------------[ cut here ]------------
kernel BUG at mm/filemap.c:3433!
Oops: invalid opcode: 0000 [#1] SMP KASAN NOPTI
CPU: 3 UID: 0 PID: 11621 Comm: syz.3.1647 Not tainted 6.15.0-rc4-syzkaller-00052-g4f79eaa2ceac #0 PREEMPT(full) 
Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014
RIP: 0010:filemap_fault+0x1862/0x2740 mm/filemap.c:3433
Code: 00 e9 bf ec ff ff 48 8b 7c 24 28 e8 98 48 2d 00 e9 66 f3 ff ff e8 4e cd c7 ff 48 c7 c6 c0 ee 98 8b 48 89 df e8 2f 94 10 00 90 <0f> 0b e8 37 cd c7 ff 48 c7 c6 20 e5 98 8b 48 89 df e8 18 94 10 00
RSP: 0018:ffffc9000400faa0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea00010f8800 RCX: 0000000000000000
RDX: ffff888027888000 RSI: ffffffff81f365b1 RDI: ffff888027888444
RBP: ffffc9000400fd70 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9084fd17 R11: 0000000000000000 R12: ffff88810448c1f8
R13: 0000000000000008 R14: 0000000000000009 R15: 0000000000000000
FS:  00007f52664be6c0(0000) GS:ffff8880d6ce2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557bf6738520 CR3: 000000002ad05000 CR4: 0000000000352ef0
DR0: 0000000000000007 DR1: 0000000000000002 DR2: 0000000000000008
DR3: 1000000100000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
 <TASK>
 __do_fault+0x10a/0x490 mm/memory.c:5098
 do_read_fault mm/memory.c:5518 [inline]
 do_fault mm/memory.c:5652 [inline]
 do_pte_missing+0x1031/0x3fb0 mm/memory.c:4160
 handle_pte_fault mm/memory.c:5997 [inline]
 __handle_mm_fault+0x103d/0x2a40 mm/memory.c:6140
 handle_mm_fault+0x3fe/0xad0 mm/memory.c:6309
 do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1337
 handle_page_fault arch/x86/mm/fault.c:1480 [inline]
 exc_page_fault+0x5c/0xc0 arch/x86/mm/fault.c:1538
 asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f5265572a3a
Code: fe 28 7f 27 62 e1 fe 28 7f 6f 01 62 e1 fe 28 7f 77 02 62 e1 fe 28 7f 7f 03 49 83 c0 1f 49 29 d0 48 8d 7c 17 61 e9 e6 04 00 00 <62> e1 fe 28 6f 1e 62 e1 fe 28 6f 56 01 62 b3 7d 20 3f c3 00 c5 fb
RSP: 002b:00007f52664bdbe8 EFLAGS: 00010287
RAX: 00007f52664bdc10 RBX: 6666666666666667 RCX: 0000000000000000
RDX: 00000000000003ff RSI: 0000200000000080 RDI: 00007f52664bdc10
RBP: 00007f52664bdc10 R08: 00000000000003ff R09: 0000000000000000
R10: 0000200000000080 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f52657b5fa0 R15: 00007ffd4b55f598
 </TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:filemap_fault+0x1862/0x2740 mm/filemap.c:3433
Code: 00 e9 bf ec ff ff 48 8b 7c 24 28 e8 98 48 2d 00 e9 66 f3 ff ff e8 4e cd c7 ff 48 c7 c6 c0 ee 98 8b 48 89 df e8 2f 94 10 00 90 <0f> 0b e8 37 cd c7 ff 48 c7 c6 20 e5 98 8b 48 89 df e8 18 94 10 00
RSP: 0018:ffffc9000400faa0 EFLAGS: 00010293
RAX: 0000000000000000 RBX: ffffea00010f8800 RCX: 0000000000000000
RDX: ffff888027888000 RSI: ffffffff81f365b1 RDI: ffff888027888444
RBP: ffffc9000400fd70 R08: 0000000000000001 R09: 0000000000000001
R10: ffffffff9084fd17 R11: 0000000000000000 R12: ffff88810448c1f8
R13: 0000000000000008 R14: 0000000000000009 R15: 0000000000000000
FS:  00007f52664be6c0(0000) GS:ffff8880d6ce2000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000557bf6738520 CR3: 000000002ad05000 CR4: 0000000000352ef0
DR0: 0000000000000007 DR1: 0000000000000002 DR2: 0000000000000008
DR3: 1000000100000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400