general protection fault in gc

Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
upstream	general protection fault in gc_worker netfilter				1	1518d	1515d	0/26	auto-closed as invalid on 2020/06/26 17:12

general protection fault, probably for non-canonical address 0xdffffc0000000006: 0000 [#1] PREEMPT SMP KASAN
KASAN: null-ptr-deref in range [0x0000000000000030-0x0000000000000037]
CPU: 0 PID: 16381 Comm: kworker/0:17 Not tainted 5.9.0-rc5-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: events_power_efficient gc_worker
RIP: 0010:nf_ct_tuplehash_to_ctrack include/net/netfilter/nf_conntrack.h:113 [inline]
RIP: 0010:gc_worker+0x2d5/0xb70 net/netfilter/nf_conntrack_core.c:1380
Code: 89 dd 83 e5 01 89 ee e8 99 6d eb fa 85 ed 0f 85 f7 00 00 00 e8 2c 71 eb fa 48 8d 7b 37 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 50 07 00 00 0f b6 43 37 48
RSP: 0018:ffffc9000871fc98 EFLAGS: 00010202
RAX: 0000000000000006 RBX: 0000000000000000 RCX: ffffffff868ace87
RDX: 0000000000000007 RSI: ffffffff868ace94 RDI: 0000000000000037
RBP: 0000000000000000 R08: 0000000000000001 R09: ffff888000124afb
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
R13: ffff888000124bb8 R14: 0000000000000056 R15: 00000000fffdadd2
FS:  0000000000000000(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fffe5a9aff0 CR3: 00000000a7df7000 CR4: 00000000001526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 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 a31cc5a5c6e8c470 ]---
RIP: 0010:nf_ct_tuplehash_to_ctrack include/net/netfilter/nf_conntrack.h:113 [inline]
RIP: 0010:gc_worker+0x2d5/0xb70 net/netfilter/nf_conntrack_core.c:1380
Code: 89 dd 83 e5 01 89 ee e8 99 6d eb fa 85 ed 0f 85 f7 00 00 00 e8 2c 71 eb fa 48 8d 7b 37 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 <42> 0f b6 04 20 38 d0 7f 08 84 c0 0f 85 50 07 00 00 0f b6 43 37 48

Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Assets (help?)	Manager	Title
2020/09/17 12:55	upstream	5925fa68fe82	8247808b	.config	console log	report			info		ci-upstream-kasan-gce
2020/09/13 03:03	upstream	729e3d091984	ce441f06	.config	console log	report					ci-upstream-kasan-gce