ip6_tunnel: l0 xmit: Local address not yet configured!
INFO: task syz-executor.0:1446 blocked for more than 140 seconds.
Not tainted 4.14.108+ #39
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D25496 1446 1851 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
__rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:276 [inline]
rwsem_down_read_failed+0x21f/0x3c0 kernel/locking/rwsem-xadd.c:293
call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94
__down_read arch/x86/include/asm/rwsem.h:66 [inline]
down_read+0x45/0xa0 kernel/locking/rwsem.c:26
inode_lock_shared include/linux/fs.h:725 [inline]
ext4_direct_IO_read fs/ext4/inode.c:3798 [inline]
ext4_direct_IO+0x546/0x2800 fs/ext4/inode.c:3862
generic_file_read_iter+0x24a/0x1a90 mm/filemap.c:2257
ext4_file_read_iter+0x119/0x180 fs/ext4/file.c:75
call_read_iter include/linux/fs.h:1778 [inline]
generic_file_splice_read+0x30d/0x540 fs/splice.c:307
do_splice_to+0xfd/0x150 fs/splice.c:880
splice_direct_to_actor+0x21a/0x760 fs/splice.c:952
do_splice_direct+0x177/0x240 fs/splice.c:1061
do_sendfile+0x493/0xb20 fs/read_write.c:1438
SYSC_sendfile64 fs/read_write.c:1493 [inline]
SyS_sendfile64+0xab/0x140 fs/read_write.c:1485
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: [<ffffffffafa010ac>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541
2 locks held by getty/1758:
#0: (&tty->ldisc_sem){++++}, at: [<ffffffffb053a3e2>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:275
#1: (&ldata->atomic_read_lock){+.+.}, at: [<ffffffffb0535807>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156
2 locks held by syz-executor.0/1446:
#0: (sb_writers#4){.+.+}, at: [<ffffffffafd58e3f>] file_start_write include/linux/fs.h:2726 [inline]
#0: (sb_writers#4){.+.+}, at: [<ffffffffafd58e3f>] do_sendfile+0x88f/0xb20 fs/read_write.c:1437
#1: (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffffaff58306>] inode_lock_shared include/linux/fs.h:725 [inline]
#1: (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffffaff58306>] ext4_direct_IO_read fs/ext4/inode.c:3798 [inline]
#1: (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffffaff58306>] ext4_direct_IO+0x546/0x2800 fs/ext4/inode.c:3862
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 23 Comm: khungtaskd Not tainted 4.14.108+ #39
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 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1011 Comm: syz-executor.4 Not tainted 4.14.108+ #39
task: ffff88819f8c0000 task.stack: ffff88816add0000
RIP: 0033:0x4015a4
RSP: 002b:00007ff769845690 EFLAGS: 00000202
RAX: 0000000060f94762 RBX: 000000000000000b RCX: 0000000000458209
RDX: 0000000000000000 RSI: 00007ff7698456c0 RDI: 000000000000000b
RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
FS: 00007ff769846700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c423558018 CR3: 00000001626b0004 CR4: 00000000001606a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600