general protection fault in __sock

general protection fault in __sock_release (2)
Status: upstream: reported on 2019/01/30 14:03
Reported-by: syzbot+38b29941610a1cc735dc@syzkaller.appspotmail.com
First crash: 89d, last: 1d01h

similar bugs (1):
Kernel	Title	Repro	Bisected	Count	Last	Reported	Patched	Status
upstream	general protection fault in __sock_release			1	279d	279d	9/13	fixed on 2018/08/07 13:43

Sample crash report:

kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN
CPU: 0 PID: 21 Comm: kworker/u4:1 Not tainted 5.1.0-rc5+ #180
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Workqueue: netns cleanup_net
RIP: 0010:__sock_release+0x2d/0x2b0 net/socket.c:594
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 38 e2 fe fb 4c 8d 73 28 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 ff 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 ee 00 00
RSP: 0000:ffff8880aa3ffb70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10d740c
RDX: 0000000000000005 RSI: ffffffff8571aa78 RDI: 0000000000000000
RBP: ffff8880aa3ffb98 R08: ffff8880aa3f0580 R09: ffff8880aa3f0e70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000007 R14: 0000000000000028 R15: ffff88808cc32e24
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000625208 CR3: 0000000066bf0000 CR4: 00000000001406f0
Call Trace:
 sock_release+0x18/0x20 net/socket.c:619
 inet_ctl_sock_destroy include/net/inet_common.h:56 [inline]
 icmp_sk_exit+0x11f/0x1f0 net/ipv4/icmp.c:1188
 ops_exit_list.isra.0+0xb0/0x160 net/core/net_namespace.c:153
 cleanup_net+0x3fb/0x960 net/core/net_namespace.c:552
 process_one_work+0x98e/0x1790 kernel/workqueue.c:2269
 worker_thread+0x98/0xe40 kernel/workqueue.c:2415
 kthread+0x357/0x430 kernel/kthread.c:253
 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:352
Modules linked in:
---[ end trace 52646f4862cb2a8f ]---
RIP: 0010:__sock_release+0x2d/0x2b0 net/socket.c:594
Code: e5 41 57 41 56 41 55 41 54 49 89 f4 53 48 89 fb e8 38 e2 fe fb 4c 8d 73 28 48 b8 00 00 00 00 00 fc ff df 4c 89 f2 48 c1 ea 03 <80> 3c 02 00 0f 85 ff 01 00 00 4c 8b 6b 28 4d 85 ed 0f 84 ee 00 00
RSP: 0000:ffff8880aa3ffb70 EFLAGS: 00010206
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffffffff10d740c
RDX: 0000000000000005 RSI: ffffffff8571aa78 RDI: 0000000000000000
RBP: ffff8880aa3ffb98 R08: ffff8880aa3f0580 R09: ffff8880aa3f0e70
R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
R13: 0000000000000007 R14: 0000000000000028 R15: ffff88808cc32e24
FS:  0000000000000000(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000000073c000 CR3: 000000008b8ff000 CR4: 00000000001406f0

All crashes (9):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Maintainers
ci-upstream-net-this-kasan-gce	2019/04/24 12:09	net	1c5c12ee	8e3c52b1	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2019/04/08 14:52	net	5055376a	0dfb0452	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2019/03/17 21:11	net	517ccc2a	ba18afea	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2019/01/26 01:31	net-next	30e5c2c6	ebf7a37c	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2019/03/27 03:40	net-next	be67101f	55684ce1	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2019/03/16 11:41	net-next	3b319ee2	bab43553	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2019/03/09 04:58	net-next	d9862cfb	12365b99	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2019/03/03 22:57	net-next	41bc0ddb	1c0e457a	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2019/02/27 11:44	net-next	ff8285f8	083cfd0e	.config	log	report	davem@davemloft.net, linux-kernel@vger.kernel.org, netdev@vger.kernel.org