general protection fault, probably for non-canonical address 0xdffffc0000000002: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000010-0x0000000000000017]
CPU: 0 PID: 10001 Comm: kworker/0:216 Not tainted 5.9.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient do_cache_clean
RIP: 0010:cache_clean+0x119/0x7f0 net/sunrpc/cache.c:444
Code: 81 fb 60 78 34 8b 0f 84 b8 00 00 00 e8 80 25 05 fa 48 8d 83 40 ff ff ff 48 8d 7b 10 48 89 05 fe 86 90 06 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e0 05 00 00 48 8d 6c 24 38 4c 8b 63 10 48 89
RSP: 0018:ffffc900160ffc48 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff8771194b
RDX: ffff888022d462c0 RSI: ffffffff87711990 RDI: 0000000000000010
RBP: 0000000000000100 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000000 R12: 0000000000000100
R13: dffffc0000000000 R14: ffff8880469ceb00 R15: ffff8880ae435600
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000074a918 CR3: 00000000a114d000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 do_cache_clean+0xd/0xd0 net/sunrpc/cache.c:502
 process_one_work+0x94c/0x1670 kernel/workqueue.c:2269
 worker_thread+0x64c/0x1120 kernel/workqueue.c:2415
 kthread+0x3b5/0x4a0 kernel/kthread.c:292
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:294
Modules linked in:
---[ end trace aed62d5382afc73b ]---
RIP: 0010:cache_clean+0x119/0x7f0 net/sunrpc/cache.c:444
Code: 81 fb 60 78 34 8b 0f 84 b8 00 00 00 e8 80 25 05 fa 48 8d 83 40 ff ff ff 48 8d 7b 10 48 89 05 fe 86 90 06 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 e0 05 00 00 48 8d 6c 24 38 4c 8b 63 10 48 89
RSP: 0018:ffffc900160ffc48 EFLAGS: 00010202
RAX: 0000000000000002 RBX: 0000000000000000 RCX: ffffffff8771194b
RDX: ffff888022d462c0 RSI: ffffffff87711990 RDI: 0000000000000010
RBP: 0000000000000100 R08: 0000000000000001 R09: 0000000000000003
R10: 0000000000000100 R11: 0000000000000000 R12: 0000000000000100
R13: dffffc0000000000 R14: ffff8880469ceb00 R15: ffff8880ae435600
FS:  0000000000000000(0000) GS:ffff8880ae400000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000074a918 CR3: 00000000a114d000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400