BUG: unable to handle kernel paging request in free

Kernel	Title	Rank 🛈	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	BUG: unable to handle kernel paging request in free_block (4) kernel	8				2	2343d	2373d	0/29	closed as dup on 2019/01/14 17:27
upstream	BUG: unable to handle kernel paging request in free_block (3) fs	8				11	2634d	2663d	0/29	closed as invalid on 2018/09/05 11:23
upstream	BUG: unable to handle kernel paging request in free_block (2) mm	8				1	2672d	2672d	0/29	closed as invalid on 2018/03/21 12:59
upstream	BUG: unable to handle kernel paging request in free_block (5) mm	8	syz	done	done	3	1880d	2279d	0/29	auto-obsoleted due to no activity on 2022/09/07 17:26

netlink: 12 bytes leftover after parsing attributes in process `syz-executor.3'. BUG: unable to handle kernel paging request at ffffffff00000101 PGD 8c70067 P4D 8c70067 PUD 0 Oops: 0000 [#1] PREEMPT SMP KASAN CPU: 0 PID: 24796 Comm: kworker/0:5 Not tainted 4.19.133-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 IPVS: Unknown mcast interface: rose0 Workqueue: events cache_reap RIP: 0010:__list_del_entry_valid+0x87/0xef lib/list_debug.c:51 Code: 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 75 51 <49> 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d 08 48 b8 00 00 00 RSP: 0018:ffff888214b07c08 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffffe8ffffc11488 RCX: ffffffffffffffff RDX: 1fffffffe0000020 RSI: ffffffff8130ec6a RDI: ffffea0000004550 RBP: ffffea0000004548 R08: 0000000000004540 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffffff00000101 R13: 0000000000000000 R14: ffffea0000004540 R15: ffff8880a6718000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff00000101 CR3: 0000000094422000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __list_del_entry include/linux/list.h:117 [inline] list_del include/linux/list.h:125 [inline] free_block+0xd3/0x230 mm/slab.c:3421 drain_array_locked+0x30/0x80 mm/slab.c:2213 drain_array+0x80/0xa0 mm/slab.c:4027 cache_reap+0x150/0x270 mm/slab.c:4068 process_one_work+0x864/0x1570 kernel/workqueue.c:2155 worker_thread+0x64c/0x1130 kernel/workqueue.c:2298 kthread+0x30b/0x410 kernel/kthread.c:246 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Modules linked in: CR2: ffffffff00000101 ---[ end trace 22d253f6a885d5ce ]--- RIP: 0010:__list_del_entry_valid+0x87/0xef lib/list_debug.c:51 Code: 48 b8 00 02 00 00 00 00 ad de 49 39 c4 0f 84 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 4c 89 e2 48 c1 ea 03 80 3c 02 00 75 51 <49> 8b 14 24 48 39 ea 0f 85 97 00 00 00 49 8d 7d 08 48 b8 00 00 00 RSP: 0018:ffff888214b07c08 EFLAGS: 00010046 RAX: dffffc0000000000 RBX: ffffe8ffffc11488 RCX: ffffffffffffffff RDX: 1fffffffe0000020 RSI: ffffffff8130ec6a RDI: ffffea0000004550 RBP: ffffea0000004548 R08: 0000000000004540 R09: 0000000000000000 R10: 0000000000000007 R11: 0000000000000000 R12: ffffffff00000101 R13: 0000000000000000 R14: ffffea0000004540 R15: ffff8880a6718000 FS: 0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffff00000101 CR3: 0000000094422000 CR4: 00000000001426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400