kernel BUG at net/phonet/socket.c:LINE!

kernel BUG at net/phonet/socket.c:LINE!
Status: upstream: reported on 2020/04/10 07:16
Reported-by: syzbot+2dc91e7fc3dea88b1e8a@syzkaller.appspotmail.com
First crash: 558d, last: 1d18h

similar bugs (2):
Kernel	Title	Repro	Cause bisect	Fix bisect	Count	Last	Reported	Patched	Status
linux-4.19	kernel BUG in pn_socket_autobind (2)				1	57d	57d	0/1	upstream: reported on 2021/08/23 00:08
linux-4.19	kernel BUG in pn_socket_autobind				1	192d	192d	0/1	auto-closed as invalid on 2021/08/07 18:14

Sample crash report:

------------[ cut here ]------------
kernel BUG at net/phonet/socket.c:213!
invalid opcode: 0000 [#1] PREEMPT SMP KASAN
CPU: 1 PID: 22734 Comm: syz-executor.3 Not tainted 5.15.0-rc4-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_autobind+0x13c/0x160 net/phonet/socket.c:202
Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 26 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d c3 e8 54 6b 29 f9 <0f> 0b e8 8d c0 70 f9 eb 9f e8 a6 c0 70 f9 e9 6d ff ff ff e8 cc 97
RSP: 0018:ffffc9000961fc40 EFLAGS: 00010212
RAX: 000000000000007a RBX: 0000000000000000 RCX: ffffc9000fed4000
RDX: 0000000000040000 RSI: ffffffff884c932c RDI: 0000000000000003
RBP: 1ffff920012c3f88 R08: 00000000ffffffea R09: 0000000000000000
R10: ffffffff884c92ec R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888090a48000
FS:  00007fb3b30f2700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffc48c7ace8 CR3: 000000007aa63000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 pn_socket_connect+0xfc/0x970 net/phonet/socket.c:227
 __sys_connect_file+0x155/0x1a0 net/socket.c:1896
 __sys_connect+0x161/0x190 net/socket.c:1913
 __do_sys_connect net/socket.c:1923 [inline]
 __se_sys_connect net/socket.c:1920 [inline]
 __x64_sys_connect+0x6f/0xb0 net/socket.c:1920
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fb3b5b7b8d9
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fb3b30f2188 EFLAGS: 00000246 ORIG_RAX: 000000000000002a
RAX: ffffffffffffffda RBX: 00007fb3b5c7ff60 RCX: 00007fb3b5b7b8d9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000005
RBP: 00007fb3b5bd5cb4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffc225f6b7f R14: 00007fb3b30f2300 R15: 0000000000022000
Modules linked in:
---[ end trace bd04ad62442fb776 ]---
RIP: 0010:pn_socket_autobind net/phonet/socket.c:213 [inline]
RIP: 0010:pn_socket_autobind+0x13c/0x160 net/phonet/socket.c:202
Code: 44 05 00 00 00 00 00 48 8b 44 24 58 65 48 2b 04 25 28 00 00 00 75 26 48 83 c4 60 44 89 e0 5b 5d 41 5c 41 5d c3 e8 54 6b 29 f9 <0f> 0b e8 8d c0 70 f9 eb 9f e8 a6 c0 70 f9 e9 6d ff ff ff e8 cc 97
RSP: 0018:ffffc9000961fc40 EFLAGS: 00010212
RAX: 000000000000007a RBX: 0000000000000000 RCX: ffffc9000fed4000
RDX: 0000000000040000 RSI: ffffffff884c932c RDI: 0000000000000003
RBP: 1ffff920012c3f88 R08: 00000000ffffffea R09: 0000000000000000
R10: ffffffff884c92ec R11: 0000000000000000 R12: 0000000000000000
R13: dffffc0000000000 R14: 0000000000000000 R15: ffff888090a48000
FS:  00007fb3b30f2700(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f90c7db9058 CR3: 000000007aa63000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400

Crashes (103):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	VM info	Title
ci-upstream-net-this-kasan-gce	2021/10/12 10:56	net	732b74d64704	838e7e2c	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/10/02 00:14	net	ca6e11c337da	cc80db95	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/08/22 09:11	net	12d125b4574b	b599f2fc	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/08/14 18:23	net	5f7735196390	2489ab88	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/08/08 11:07	net	34737e1320db	6972b106	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/07/18 12:33	net	5b69874f74cc	f115ae98	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/05/23 23:29	net	e29f011e8fc0	3c7fef33	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/05/05 22:06	net	bbd6f0a94813	06c27ff5	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/05/01 07:03	net	bbd6f0a94813	77e2b668	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2021/04/27 19:56	net	bbd6f0a94813	805b5003	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-this-kasan-gce	2020/04/09 03:56	net	b93cfb9cd3af	db9bcd4b	.config	log	report
ci-upstream-net-kasan-gce	2021/10/17 13:40	net-next	4e6e167bc049	0c5d9412	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/10/16 14:06	net-next	295711fa8fec	0c5d9412	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/10/10 06:46	net-next	7932d53162dc	838e7e2c	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/10/04 23:47	net-next	9ac936276f86	ce697b49	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/09/28 23:13	net-next	b69c99463d41	d82cb927	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/09/26 10:09	net-next	24aa160d5375	8cac236e	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/09/12 03:49	net-next	626bf91a292e	5ae8508a	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/09/04 09:18	net-next	29ce8f970107	d236a457	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/09/03 20:16	net-next	29ce8f970107	f62a5829	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/22 01:55	net-next	4af14dbaeae0	b599f2fc	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/21 19:14	net-next	4af14dbaeae0	b599f2fc	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/20 10:14	net-next	5c8a2bb48159	b599f2fc	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/19 02:02	net-next	3349d3625d62	a2fe1cb5	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/16 10:25	net-next	e4637f621203	2489ab88	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/11 03:43	net-next	4ef3960ea19c	6972b106	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/09 22:51	net-next	cfe908c11659	6972b106	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/08/09 05:24	net-next	82564f6c706a	6972b106	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/07/28 04:59	net-next	409f386b8e5d	17d6ab15	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/07/16 09:50	net-next	5c2c85315948	f115ae98	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/07/04 15:51	net-next	5e437416ff66	55aa55c2	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/07/03 05:16	net-next	5e437416ff66	55aa55c2	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/07/03 01:40	net-next	5e437416ff66	55aa55c2	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/07/01 15:09	net-next	dbe69e433722	658ebc66	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/28 18:49	net-next	ff8744b5eb11	9d2ab5df	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/27 19:30	net-next	ff8744b5eb11	9d2ab5df	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/14 16:59	net-next	a212d9f33ed0	1ba81399	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/13 13:17	net-next	ffbbc5e5c717	1ba81399	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/11 18:04	net-next	76cf404c40ae	1ba81399	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/11 05:11	net-next	0699073951e3	1ba81399	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/06/09 09:34	net-next	5552571c657d	5c2fe346	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/05/25 14:14	net-next	c1eaf3c09c54	3c7fef33	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/05/23 19:04	net-next	f5120f599880	3c7fef33	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/05/11 08:09	net-next	48de7c0c1c92	ca873091	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/05/08 09:30	net-next	95aafe911db6	bc5434be	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/05/02 04:38	net-next	95aafe911db6	77e2b668	.config	log	report	info	kernel BUG in pn_socket_autobind
ci-upstream-net-kasan-gce	2021/01/17 02:45	net-next	9ab7e76aefc9	65a7a854	.config	log	report	info