sctp: [Deprecated]: syz-executor0 (pid 10160) Use of int in maxseg socket option. Use struct sctp_assoc_value instead 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 INFO: task syz-executor4:10114 blocked for more than 140 seconds. Not tainted 4.18.0+ #190 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D24760 10114 4391 0x00000004 Call Trace: context_switch kernel/sched/core.c:2823 [inline] __schedule+0x87c/0x1ec0 kernel/sched/core.c:3471 schedule+0xfb/0x450 kernel/sched/core.c:3515 schedule_timeout+0x1cc/0x260 kernel/time/timer.c:1780 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common kernel/sched/completion.c:115 [inline] wait_for_completion+0x430/0x8d0 kernel/sched/completion.c:136 crypto_wait_req include/linux/crypto.h:517 [inline] tls_do_encryption net/tls/tls_sw.c:187 [inline] tls_push_record+0xf45/0x1400 net/tls/tls_sw.c:222 tls_sw_push_pending_record+0x22/0x30 net/tls/tls_sw.c:251 tls_handle_open_record net/tls/tls_main.c:156 [inline] tls_sk_proto_close+0x759/0xb90 net/tls/tls_main.c:256 inet_release+0x104/0x1f0 net/ipv4/af_inet.c:428 inet6_release+0x50/0x70 net/ipv6/af_inet6.c:457 __sock_release+0xd7/0x250 net/socket.c:579 sock_close+0x19/0x20 net/socket.c:1139 __fput+0x39b/0x860 fs/file_table.c:251 ____fput+0x15/0x20 fs/file_table.c:282 task_work_run+0x1e8/0x2a0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x318/0x380 arch/x86/entry/common.c:166 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x6be/0x820 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x410c41 Code: 0f b6 4c 24 20 e9 92 fc ff ff 48 f7 c3 03 00 00 00 75 0d 49 83 c0 03 49 83 e0 fc e9 e7 fb ff ff 0f ba e3 00 0f 82 dd fb ff ff <49> ff c0 49 83 e0 fe e9 d1 fb ff ff 48 81 fb f8 03 00 00 0f 87 01 RSP: 002b:00007fffa5a82310 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000004 RCX: 0000000000410c41 RDX: 0000000000000000 RSI: 00000000007311d0 RDI: 0000000000000003 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffffffffffff R10: 00000000009300a0 R11: 0000000000000293 R12: 0000000000000006 R13: 000000000002175d R14: 000000000000005a R15: badc0ffeebadface Showing all locks held in the system: 1 lock held by khungtaskd/774: #0: 00000000d38ffafa (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x428 kernel/locking/lockdep.c:4461 1 lock held by rsyslogd/4253: #0: 00000000f4d7c85c (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/4343: #0: 00000000d53b8298 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000b95f4b99 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4344: #0: 0000000033611e16 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000cb713895 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4345: #0: 00000000f7badb21 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000e4856133 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4346: #0: 00000000c5a8c227 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000011691a0d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4347: #0: 00000000a4a126ed (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000a550627f (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4348: #0: 0000000079336097 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000059d4c1ca (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/4349: #0: 00000000f97799bf (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x37/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000b470136d (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by syz-executor4/10114: #0: 00000000ee01d4d2 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:733 [inline] #0: 00000000ee01d4d2 (&sb->s_type->i_mutex_key#11){+.+.}, at: __sock_release+0x8b/0x250 net/socket.c:578 #1: 000000000c5c0968 (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1491 [inline] #1: 000000000c5c0968 (sk_lock-AF_INET6){+.+.}, at: tls_sk_proto_close+0x128/0xb90 net/tls/tls_main.c:246 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 774 Comm: khungtaskd Not tainted 4.18.0+ #190 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+0x1c9/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x48/0x88 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x151/0x192 lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x9c4/0xf80 kernel/hung_task.c:252 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 skipped: idling at native_safe_halt+0x6/0x10 arch/x86/include/asm/irqflags.h:56