binder: undelivered TRANSACTION_ERROR: 29189 ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! INFO: task syz-executor.4:6021 blocked for more than 140 seconds. Not tainted 4.14.110+ #49 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29256 6021 2615 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline] rwsem_down_write_failed+0x3b1/0x760 kernel/locking/rwsem-xadd.c:601 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 inode_lock include/linux/fs.h:715 [inline] do_last fs/namei.c:3358 [inline] path_openat+0xdae/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task syz-executor.4:6034 blocked for more than 140 seconds. Not tainted 4.14.110+ #49 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D28784 6034 2615 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline] rwsem_down_write_failed+0x3b1/0x760 kernel/locking/rwsem-xadd.c:601 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 inode_lock include/linux/fs.h:715 [inline] do_last fs/namei.c:3358 [inline] path_openat+0xdae/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task syz-executor.4:6035 blocked for more than 140 seconds. Not tainted 4.14.110+ #49 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.4 D29136 6035 2615 0x00000004 Call Trace: schedule+0x92/0x1c0 kernel/sched/core.c:3498 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:572 [inline] rwsem_down_write_failed+0x3b1/0x760 kernel/locking/rwsem-xadd.c:601 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:105 __down_write arch/x86/include/asm/rwsem.h:126 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:56 inode_lock include/linux/fs.h:715 [inline] do_last fs/namei.c:3358 [inline] path_openat+0xdae/0x2b70 fs/namei.c:3597 do_filp_open+0x1a1/0x280 fs/namei.c:3631 do_sys_open+0x2ca/0x590 fs/open.c:1077 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [<000000003c4c958a>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4544 2 locks held by getty/1759: #0: (&tty->ldisc_sem){++++}, at: [<00000000d6c3ba9f>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:275 #1: (&ldata->atomic_read_lock){+.+.}, at: [<0000000071c78ae5>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 2 locks held by syz-executor.4/6021: #0: (sb_writers#4){.+.+}, at: [<0000000029daa3ed>] sb_start_write include/linux/fs.h:1545 [inline] #0: (sb_writers#4){.+.+}, at: [<0000000029daa3ed>] mnt_want_write+0x3a/0xb0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] inode_lock include/linux/fs.h:715 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] do_last fs/namei.c:3358 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] path_openat+0xdae/0x2b70 fs/namei.c:3597 2 locks held by syz-executor.4/6034: #0: (sb_writers#4){.+.+}, at: [<0000000029daa3ed>] sb_start_write include/linux/fs.h:1545 [inline] #0: (sb_writers#4){.+.+}, at: [<0000000029daa3ed>] mnt_want_write+0x3a/0xb0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] inode_lock include/linux/fs.h:715 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] do_last fs/namei.c:3358 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] path_openat+0xdae/0x2b70 fs/namei.c:3597 2 locks held by syz-executor.4/6035: #0: (sb_writers#4){.+.+}, at: [<0000000029daa3ed>] sb_start_write include/linux/fs.h:1545 [inline] #0: (sb_writers#4){.+.+}, at: [<0000000029daa3ed>] mnt_want_write+0x3a/0xb0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] inode_lock include/linux/fs.h:715 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] do_last fs/namei.c:3358 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [<00000000b2cc6e2c>] path_openat+0xdae/0x2b70 fs/namei.c:3597 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.110+ #49 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x10e lib/dump_stack.c:53 nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 24759 Comm: syz-executor.3 Not tainted 4.14.110+ #49 task: 00000000c905fdfd task.stack: 00000000e83fae92 RIP: 0033:0x40158b RSP: 002b:00007f0d08747690 EFLAGS: 00000202 RAX: 000000002cd45a16 RBX: 000000000000000b RCX: 00000000004582b9 RDX: 0000000000000000 RSI: 00007f0d087476c0 RDI: 000000000000000b RBP: 0000000000000000 R08: 000000000000006e R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 FS: 00007f0d08748700(0000) GS:ffff8881db800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000f613e0 CR3: 00000001a370a002 CR4: 00000000001606b0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600