ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! ip6_tunnel: ip6gretap0 xmit: Local address not yet configured! ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy1 wpan1: encryption failed: -22 INFO: task syz-executor.0:22302 blocked for more than 140 seconds. Not tainted 4.19.200-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28104 22302 18237 0x10000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_timeout+0x92d/0xfe0 kernel/time/timer.c:1794 do_wait_for_common kernel/sched/completion.c:83 [inline] __wait_for_common kernel/sched/completion.c:104 [inline] wait_for_common+0x29c/0x470 kernel/sched/completion.c:115 crypto_wait_req include/linux/crypto.h:517 [inline] tls_do_encryption net/tls/tls_sw.c:193 [inline] tls_push_record+0xec4/0x1370 net/tls/tls_sw.c:228 tls_sw_sendpage+0x8c6/0xd00 net/tls/tls_sw.c:585 inet_sendpage+0x164/0x650 net/ipv4/af_inet.c:815 kernel_sendpage net/socket.c:3581 [inline] sock_sendpage+0xdf/0x140 net/socket.c:912 pipe_to_sendpage+0x268/0x330 fs/splice.c:452 splice_from_pipe_feed fs/splice.c:503 [inline] __splice_from_pipe+0x389/0x800 fs/splice.c:627 splice_from_pipe fs/splice.c:662 [inline] generic_splice_sendpage+0xd4/0x140 fs/splice.c:833 do_splice_from fs/splice.c:852 [inline] do_splice fs/splice.c:1154 [inline] __do_sys_splice fs/splice.c:1428 [inline] __se_sys_splice+0xfe7/0x16d0 fs/splice.c:1408 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4665e9 Code: Bad RIP value. RSP: 002b:00007f83ec5b0188 EFLAGS: 00000246 ORIG_RAX: 0000000000000113 RAX: ffffffffffffffda RBX: 000000000056bf80 RCX: 00000000004665e9 RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 00000000004bfcc4 R08: 0000000000000003 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 000000000056bf80 R13: 00007ffe24be4dbf R14: 00007f83ec5b0300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1570: #0: 00000000191cfd76 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7812: #0: 000000005d431818 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 5 locks held by rs:main Q:Reg/7813: 2 locks held by agetty/8034: #0: 000000009b45d96e (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 0000000041f4904a (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by agetty/17447: #0: 00000000af246f46 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:272 #1: 00000000bd3b7428 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x217/0x1950 drivers/tty/n_tty.c:2154 2 locks held by syz-executor.0/22302: #0: 000000004f92dfc9 (&pipe->mutex/1){+.+.}, at: pipe_lock_nested fs/pipe.c:62 [inline] #0: 000000004f92dfc9 (&pipe->mutex/1){+.+.}, at: pipe_lock+0x63/0x80 fs/pipe.c:70 #1: 00000000cd8c614f (sk_lock-AF_INET6){+.+.}, at: lock_sock include/net/sock.h:1510 [inline] #1: 00000000cd8c614f (sk_lock-AF_INET6){+.+.}, at: tls_sw_sendpage+0x151/0xd00 net/tls/tls_sw.c:525 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 1570 Comm: khungtaskd Not tainted 4.19.200-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+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 7813 Comm: rs:main Q:Reg Not tainted 4.19.200-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:__read_once_size include/linux/compiler.h:261 [inline] RIP: 0010:trace_ext4_mark_inode_dirty include/trace/events/ext4.h:248 [inline] RIP: 0010:ext4_mark_inode_dirty+0x6b6/0x870 fs/ext4/inode.c:6104 Code: e9 6c fa ff ff e8 1a 76 82 ff 65 ff 05 93 d2 21 7e 48 c7 c0 08 20 0f 8b 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 34 01 00 00 48 8b 05 65 13 2f 09 e8 78 8f 70 ff 31 ff 41 89 RSP: 0018:ffff8880a25e7900 EFLAGS: 00000246 RAX: 1ffffffff161e401 RBX: 1ffff110144bcf24 RCX: ffffffff81e0071f RDX: dffffc0000000000 RSI: ffffffff81e00c76 RDI: 0000000000000001 RBP: ffff88808ff4c4b0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: 0000000000000001 R14: ffffffff81e14168 R15: 0000000000000002 FS: 00007fe275e4f700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fca4910d000 CR3: 00000000affac000 CR4: 00000000001426e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: ext4_dirty_inode+0x88/0xb0 fs/ext4/inode.c:6144 __mark_inode_dirty+0x16b/0x1140 fs/fs-writeback.c:2164 generic_update_time+0x21c/0x370 fs/inode.c:1659 update_time fs/inode.c:1675 [inline] file_update_time+0x316/0x500 fs/inode.c:1890 __generic_file_write_iter+0x1bc/0x610 mm/filemap.c:3245 ext4_file_write_iter+0x2fe/0xf20 fs/ext4/file.c:272 call_write_iter include/linux/fs.h:1821 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x51b/0x770 fs/read_write.c:487 vfs_write+0x1f3/0x540 fs/read_write.c:549 ksys_write+0x12b/0x2a0 fs/read_write.c:599 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7fe2788931cd Code: c2 20 00 00 75 10 b8 01 00 00 00 0f 05 48 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 ae fc ff ff 48 89 04 24 b8 01 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 f7 fc ff ff 48 89 d0 48 83 c4 08 48 3d 01 RSP: 002b:00007fe275e4e590 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fe26c006520 RCX: 00007fe2788931cd RDX: 000000000000044d RSI: 00007fe26c006520 RDI: 0000000000000009 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 00007fe26c006280 R13: 00007fe275e4e5b0 R14: 00005639e01817c0 R15: 000000000000044d