INFO: task hung in tls_sk_proto

INFO: task hung in tls_sk_proto_close
Status: upstream: reported on 2020/03/30 07:09
Reported-by: syzbot+ca1345cca66556f3d79b@syzkaller.appspotmail.com
First crash: 84d, last: 3d19h

Sample crash report:

INFO: task syz-executor.2:15639 blocked for more than 143 seconds.
      Not tainted 5.7.0-rc3-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2  D28128 15639   7515 0x00000004
Call Trace:
 schedule+0xd0/0x2a0 kernel/sched/core.c:4158
 schedule_timeout+0x55b/0x850 kernel/time/timer.c:1874
 do_wait_for_common kernel/sched/completion.c:85 [inline]
 __wait_for_common kernel/sched/completion.c:106 [inline]
 wait_for_common kernel/sched/completion.c:117 [inline]
 wait_for_completion+0x16a/0x270 kernel/sched/completion.c:138
 __flush_work+0x4fd/0xa80 kernel/workqueue.c:3045
 __cancel_work_timer+0x3a2/0x500 kernel/workqueue.c:3132
 tls_sk_proto_close+0x4a9/0xaf0 net/tls/tls_main.c:305
 inet_release+0xe4/0x1f0 net/ipv4/af_inet.c:427
 inet6_release+0x4c/0x70 net/ipv6/af_inet6.c:471
 __sock_release+0xcd/0x280 net/socket.c:605
 sock_close+0x18/0x20 net/socket.c:1283
 __fput+0x33e/0x880 fs/file_table.c:280
 task_work_run+0xf4/0x1b0 kernel/task_work.c:123
 tracehook_notify_resume include/linux/tracehook.h:188 [inline]
 exit_to_usermode_loop+0x2fa/0x360 arch/x86/entry/common.c:165
 prepare_exit_to_usermode arch/x86/entry/common.c:196 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:279 [inline]
 do_syscall_64+0x6b1/0x7d0 arch/x86/entry/common.c:305
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x416421
Code: Bad RIP value.
RSP: 002b:0000000000c9fbe0 EFLAGS: 00000293 ORIG_RAX: 0000000000000003
RAX: 0000000000000000 RBX: 0000000000000005 RCX: 0000000000416421
RDX: 0000000000000000 RSI: 0000000000001e4a RDI: 0000000000000004
RBP: 0000000000000001 R08: 00000000d395de4a R09: 00000000d395de4e
R10: 0000000000c9fcd0 R11: 0000000000000293 R12: 000000000078c900
R13: 000000000078c900 R14: ffffffffffffffff R15: 000000000078bfac

Showing all locks held in the system:
1 lock held by khungtaskd/1134:
 #0: ffffffff899beb00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:5754
3 locks held by kworker/0:2/2686:
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: __write_once_size include/linux/compiler.h:226 [inline]
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline]
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic64_set include/asm-generic/atomic-instrumented.h:855 [inline]
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: atomic_long_set include/asm-generic/atomic-long.h:40 [inline]
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:615 [inline]
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:642 [inline]
 #0: ffff8880aa026d38 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x844/0x16a0 kernel/workqueue.c:2239
 #1: ffffc90007d77dc0 ((work_completion)(&(&sw_ctx_tx->tx_work.work)->work)){+.+.}-{0:0}, at: process_one_work+0x878/0x16a0 kernel/workqueue.c:2243
 #2: ffff8880939b6cd8 (&ctx->tx_lock){+.+.}-{3:3}, at: tx_work_handler+0x127/0x190 net/tls/tls_sw.c:2209
2 locks held by in:imklog/6904:
 #0: ffff8880a3191170 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:826
 #1: ffff8880ae637998 (&rq->lock){-.-.}-{2:2}, at: rq_lock kernel/sched/sched.h:1262 [inline]
 #1: ffff8880ae637998 (&rq->lock){-.-.}-{2:2}, at: __schedule+0x233/0x1ff0 kernel/sched/core.c:4029
1 lock held by syz-executor.2/15639:
 #0: ffff88804ce93210 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:797 [inline]
 #0: ffff88804ce93210 (&sb->s_type->i_mutex_key#14){+.+.}-{3:3}, at: __sock_release+0x86/0x280 net/socket.c:604

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 1134 Comm: khungtaskd Not tainted 5.7.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0x188/0x20d lib/dump_stack.c:118
 nmi_cpu_backtrace.cold+0x70/0xb1 lib/nmi_backtrace.c:101
 nmi_trigger_cpumask_backtrace+0x231/0x27e lib/nmi_backtrace.c:62
 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
 check_hung_uninterruptible_tasks kernel/hung_task.c:205 [inline]
 watchdog+0xa8c/0x1010 kernel/hung_task.c:289
 kthread+0x388/0x470 kernel/kthread.c:268
 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 4281 Comm: systemd-journal Not tainted 5.7.0-rc3-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:orc_find arch/x86/kernel/unwind_orc.c:173 [inline]
RIP: 0010:unwind_next_frame+0x34b/0x19d0 arch/x86/kernel/unwind_orc.c:407
Code: d1 4f 8d 0c 49 4f 8d 8c 09 14 b2 eb 8a 49 81 f9 8e 76 70 8b 0f 87 3c 08 00 00 48 8d 3c bd 18 2f 93 8a 44 29 d2 e8 a5 f5 ff ff <49> 89 c0 e9 a9 02 00 00 80 3d 94 2e 52 09 00 0f 84 3d 21 00 00 49
RSP: 0018:ffffc90001607918 EFLAGS: 00000082
RAX: ffffffff8afacd3e RBX: 1ffff920002c0f2b RCX: ffffffff81b0d0c6
RDX: ffffffff81b0d0df RSI: ffffffff8afacd3e RDI: ffffffff8a9d4134
RBP: 0000000000000001 R08: 0000000000028493 R09: ffffffff8afacd8c
R10: 0000000000028487 R11: 000000000007001f R12: ffffc90001607a38
R13: ffffc90001607a25 R14: ffffc90001607a40 R15: ffffc900016079f0
FS:  00007f0fa9d8b8c0(0000) GS:ffff8880ae600000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f0fa7472000 CR3: 0000000093264000 CR4: 00000000001406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 arch_stack_walk+0x74/0xd0 arch/x86/kernel/stacktrace.c:25
 stack_trace_save+0x8c/0xc0 kernel/stacktrace.c:123
 save_stack+0x1b/0x40 mm/kasan/common.c:49
 set_track mm/kasan/common.c:57 [inline]
 kasan_set_free_info mm/kasan/common.c:317 [inline]
 __kasan_slab_free+0xf7/0x140 mm/kasan/common.c:456
 __cache_free mm/slab.c:3426 [inline]
 kmem_cache_free+0x7f/0x320 mm/slab.c:3694
 putname+0xe1/0x120 fs/namei.c:259
 do_sys_openat2+0x467/0x7d0 fs/open.c:1157
 do_sys_open+0xc3/0x140 fs/open.c:1164
 do_syscall_64+0xf6/0x7d0 arch/x86/entry/common.c:295
 entry_SYSCALL_64_after_hwframe+0x49/0xb3
RIP: 0033:0x7f0fa931b840
Code: 73 01 c3 48 8b 0d 68 77 20 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d 89 bb 20 00 00 75 10 b8 02 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 1e f6 ff ff 48 89 04 24
RSP: 002b:00007ffe097c6128 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007ffe097c6430 RCX: 00007f0fa931b840
RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000562a3bcb0b00
RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff
R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff
R13: 0000562a3bca3040 R14: 00007ffe097c63f0 R15: 0000562a3bcafeb0

Crashes (27):
Manager	Time	Kernel	Commit	Syzkaller	Config	Log	Report	Maintainers
ci-upstream-kasan-gce	2020/04/28 08:55	upstream	51184ae3	0ce7569e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce	2020/04/25 06:18	upstream	b4f63322	03d97a1b	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-kasan-gce	2020/04/22 19:52	upstream	18bf3408	2e44d63e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/05/27 04:02	net	1a6da4fc	9072c126	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/05/15 18:39	net	207b584d	d7f9fffa	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/05/13 05:16	net	64d950ae	a44eb8f7	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/05/08 19:24	net	dd912306	2b98fdbc	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/05/05 23:22	net	bd4af432	4b76dd25	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/04/30 09:21	net	98123074	2dd552a5	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/04/23 17:18	net	63edbcce	2e44d63e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-this-kasan-gce	2020/04/02 18:26	net	d61f4d61	a34e2c33	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/05/26 10:30	net-next	d52caf04	8ca3b7d2	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/05/11 03:07	net-next	7a36e491	8742a2b9	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/05/07 06:26	net-next	2f864990	4618eb2d	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/27 19:10	net-next	3fd8dc26	0ce7569e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/27 12:26	net-next	3fd8dc26	0ce7569e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/22 06:31	net-next	44dd5efc	2e44d63e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/21 18:53	net-next	b6246f4d	2e44d63e	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/18 18:27	net-next	2fcd8014	365fba24	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/12 14:01	net-next	63bef48f	36b0b050	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/08 09:17	net-next	763dede1	db9bcd4b	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/03 10:16	net-next	1a323ea5	a34e2c33	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/04/03 07:39	net-next	1a323ea5	a34e2c33	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/03/29 19:13	net-next	1a147b74	05736b29	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/03/26 12:07	net-next	29f3490b	e8e6c7d2	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/03/11 06:25	net-next	1e09e581	35f53e45	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
ci-upstream-net-kasan-gce	2020/03/07 10:44	net-next	68e2c376	fd2a5f28	.config	log	report	aviadye@mellanox.com, borisp@mellanox.com, daniel@iogearbox.net, davem@davemloft.net, john.fastabend@gmail.com, kuba@kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org