WARNING in j1939_xtp_rx_abort

WARNING in j1939_xtp_rx_abort_one
Status: upstream: reported C repro on 2021/08/04 08:16
Reported-by: syzbot+9981a614060dcee6eeca@syzkaller.appspotmail.com
First crash: 85d, last: 2d07h

Cause bisection: introduced by (bisect log) :
commit 9d71dd0c70099914fcd063135da3c580865e924c
Author: The j1939 authors <linux-can@vger.kernel.org>
Date: Mon Oct 8 09:48:36 2018 +0000

can: add support of SAE J1939 protocol

Crash: KASAN: use-after-free Read in j1939_session_deactivate (log)
Repro: C syz .config

Sample crash report:

vcan0: j1939_xtp_rx_dat: no tx connection found
vcan0: j1939_tp_rxtimer: 0xffff8880137d7400: rx timeout, send abort
vcan0: j1939_xtp_rx_abort_one: 0xffff88802d355000: 0x00000: (3) A timeout occurred and this is the connection abort to close the session.
------------[ cut here ]------------
WARNING: CPU: 0 PID: 13 at net/can/j1939/transport.c:1085 j1939_session_deactivate net/can/j1939/transport.c:1085 [inline]
WARNING: CPU: 0 PID: 13 at net/can/j1939/transport.c:1085 j1939_session_deactivate_activate_next net/can/j1939/transport.c:1095 [inline]
WARNING: CPU: 0 PID: 13 at net/can/j1939/transport.c:1085 j1939_xtp_rx_abort_one+0x666/0x790 net/can/j1939/transport.c:1329
Modules linked in:
CPU: 0 PID: 13 Comm: ksoftirqd/0 Not tainted 5.14.0-rc6-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:j1939_session_deactivate net/can/j1939/transport.c:1085 [inline]
RIP: 0010:j1939_session_deactivate_activate_next net/can/j1939/transport.c:1095 [inline]
RIP: 0010:j1939_xtp_rx_abort_one+0x666/0x790 net/can/j1939/transport.c:1329
Code: e9 88 fa ff ff e8 2a fe 8a f8 4c 89 f7 be 03 00 00 00 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d e9 2f d6 10 fb e8 0a fe 8a f8 <0f> 0b e9 4b fd ff ff e8 fe fd 8a f8 0f 0b e9 ca fd ff ff 89 e9 80
RSP: 0018:ffffc90000d275a0 EFLAGS: 00010246
RAX: ffffffff88f539c6 RBX: 0000000000000001 RCX: ffff888012380000
RDX: 0000000000000301 RSI: 0000000000000001 RDI: 0000000000000002
RBP: 1ffff11005a6aa00 R08: ffffffff88f5370a R09: ffffed1005a6aa06
R10: ffffed1005a6aa06 R11: 0000000000000000 R12: ffff88802d355000
R13: 0000000000000009 R14: ffff88803dc69070 R15: ffff88802d355028
FS:  0000000000000000(0000) GS:ffff8880b9c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffea8f93bc8 CR3: 0000000018842000 CR4: 00000000001506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 j1939_xtp_rx_abort net/can/j1939/transport.c:1340 [inline]
 j1939_tp_cmd_recv+0x374/0x1200 net/can/j1939/transport.c:2065
 j1939_tp_recv+0x1f7/0x540 net/can/j1939/transport.c:2098
 j1939_can_recv+0x652/0xa10 net/can/j1939/main.c:101
 deliver net/can/af_can.c:574 [inline]
 can_rcv_filter+0x35e/0x800 net/can/af_can.c:608
 can_receive+0x2e8/0x410 net/can/af_can.c:665
 can_rcv+0xda/0x1f0 net/can/af_can.c:696
 __netif_receive_skb_one_core net/core/dev.c:5498 [inline]
 __netif_receive_skb+0x1d1/0x500 net/core/dev.c:5612
 process_backlog+0x4d8/0x940 net/core/dev.c:6492
 __napi_poll+0xba/0x4f0 net/core/dev.c:7047
 napi_poll net/core/dev.c:7114 [inline]
 net_rx_action+0x62c/0xf30 net/core/dev.c:7201
 __do_softirq+0x372/0x783 kernel/softirq.c:558
 run_ksoftirqd+0xa2/0x100 kernel/softirq.c:920
 smpboot_thread_fn+0x533/0x9d0 kernel/smpboot.c:164
 kthread+0x453/0x480 kernel/kthread.c:319
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295

Crashes (157):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Syz repro	C repro	VM info	Title
ci-upstream-kasan-gce-smack-root	2021/08/21 00:23	upstream	d992fe5318d8	b599f2fc	.config	log	report	syz	C		WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/07/31 14:25	upstream	c7d102232649	6c236867	.config	log	report	syz	C		WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/07/31 13:18	upstream	c7d102232649	6c236867	.config	log	report	syz	C		WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/22 05:04	upstream	2f111a6fd5b5	55f90bc6	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/21 12:01	upstream	2f111a6fd5b5	f111d03b	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/21 00:58	upstream	8e37395c3a5d	f111d03b	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/20 19:23	upstream	8e37395c3a5d	418a00eb	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/20 17:12	upstream	d9abdee5fd5a	418a00eb	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/20 10:10	upstream	d9abdee5fd5a	418a00eb	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/20 06:11	upstream	d9abdee5fd5a	466b7db1	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/19 00:31	upstream	519d81956ee2	24dc29db	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/18 10:37	upstream	cf52ad5ff16c	0c5d9412	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/17 13:11	upstream	d999ade1cc86	0c5d9412	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/16 05:41	upstream	8fe31e0995f0	0c5d9412	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/16 04:09	upstream	8fe31e0995f0	0c5d9412	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/14 18:50	upstream	26d657410983	7aa5fe41	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/10 00:56	upstream	7fd2bf83d59a	838e7e2c	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/09 04:06	upstream	741668ef7832	efe0f24d	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/09 00:47	upstream	741668ef7832	efe0f24d	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/04 09:06	upstream	9e1ff307c779	ce697b49	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/02 19:48	upstream	ab2a7a35c4e7	db0f5787	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/02 04:09	upstream	53d5fc89d66a	db0f5787	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/01 17:37	upstream	4de593fb965f	cc80db95	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/10/01 10:30	upstream	4de593fb965f	1d849ab4	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/29 14:36	upstream	a4e6f95a891a	be530f6c	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/28 15:09	upstream	d33bec7b3dfa	d82cb927	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/28 02:00	upstream	0513e464f900	78494d16	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/27 10:33	upstream	5816b3e6577e	78494d16	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/27 01:38	upstream	996148ee05d0	78494d16	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/20 06:49	upstream	20621d2f27a0	70b76c1d	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/17 18:53	upstream	ddf21bd8ab98	70b76c1d	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/17 05:29	upstream	bdb575f87217	5b989942	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/17 04:15	upstream	bdb575f87217	5b989942	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/16 09:21	upstream	b7213ffa0e58	07e953c1	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/16 03:18	upstream	b7213ffa0e58	07e953c1	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/14 03:25	upstream	d0ee23f9d78b	58d09404	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/13 11:31	upstream	6880fa6c5660	3ce60af8	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/13 10:14	upstream	6880fa6c5660	3ce60af8	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/12 08:09	upstream	78e709522d2c	5ae8508a	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/11 18:21	upstream	c605c39677b9	5ae8508a	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/10 13:41	upstream	bf9f243f23e6	5ae8508a	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/09 14:27	upstream	a3fa7a101dcf	e2776ee4	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/09 08:40	upstream	2d338201d531	e2776ee4	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/09 03:35	upstream	2d338201d531	e2776ee4	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/07 07:52	upstream	0319b848b155	6ca60148	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/06 07:57	upstream	0319b848b155	d236a457	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/05 06:03	upstream	49624efa65ac	d236a457	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/04 02:42	upstream	7cca308cfdc0	d236a457	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/03 08:41	upstream	a9c9a6f741cd	f62a5829	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/03 07:39	upstream	a9c9a6f741cd	15cea0a3	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/09/01 22:51	upstream	835d31d319d9	7eb7e152	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one
ci-upstream-kasan-gce-smack-root	2021/07/31 08:14	upstream	c7d102232649	6c236867	.config	log	report			info	WARNING in j1939_xtp_rx_abort_one