ip6_tunnel: ip6tnl3 xmit: Local address not yet configured! INFO: task syz-executor.5:1841 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.5 D28672 1841 1815 0x80000004 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0x78/0x1c0 mm/memory.c:630 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.2:1842 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.2 D27848 1842 1815 0x80000004 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0x78/0x1c0 mm/memory.c:630 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.1:1843 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.1 D27848 1843 1815 0x80000004 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0x78/0x1c0 mm/memory.c:630 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.4:1845 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 D28752 1845 1795 0x80000004 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0x78/0x1c0 mm/memory.c:630 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.4:1862 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 D25640 1862 1845 0x00000000 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 i_mmap_lock_write include/linux/fs.h:470 [inline] dup_mmap kernel/fork.c:684 [inline] dup_mm kernel/fork.c:1202 [inline] copy_mm kernel/fork.c:1256 [inline] copy_process.part.0+0x3e67/0x6520 kernel/fork.c:1764 copy_process kernel/fork.c:1573 [inline] _do_fork+0x193/0xcc0 kernel/fork.c:2067 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 INFO: task syz-executor.0:1486 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.0 D28376 1486 1795 0x80000004 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0x78/0x1c0 mm/memory.c:630 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.3:27505 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.3 D27848 27505 1814 0x80000004 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0x78/0x1c0 mm/memory.c:630 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.1:16858 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.1 D27728 16858 1863 0x80000000 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0xb3/0x1c0 mm/memory.c:644 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.2:16843 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.2 D27896 16843 1848 0x80000040 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0xb3/0x1c0 mm/memory.c:644 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 INFO: task syz-executor.0:16857 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.0 D27920 16857 1487 0x80000000 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 i_mmap_lock_write include/linux/fs.h:470 [inline] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 free_pgtables+0xb3/0x1c0 mm/memory.c:644 exit_mmap+0x222/0x440 mm/mmap.c:3068 __mmput kernel/fork.c:929 [inline] mmput kernel/fork.c:950 [inline] mmput+0xc8/0x350 kernel/fork.c:945 exit_mm kernel/exit.c:544 [inline] do_exit+0x84e/0x2960 kernel/exit.c:860 Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [<0000000077ba4baa>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4544 2 locks held by getty/1759: #0: (&tty->ldisc_sem){++++}, at: [<00000000511ef7a8>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:275 #1: (&ldata->atomic_read_lock){+.+.}, at: [<00000000841957d3>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156 1 lock held by syz-executor.5/1841: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.2/1842: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.1/1843: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.4/1845: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 4 locks held by syz-executor.4/1862: #0: (&dup_mmap_sem){.+.+}, at: [<000000003271ed9a>] dup_mmap kernel/fork.c:609 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<000000003271ed9a>] dup_mm kernel/fork.c:1202 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<000000003271ed9a>] copy_mm kernel/fork.c:1256 [inline] #0: (&dup_mmap_sem){.+.+}, at: [<000000003271ed9a>] copy_process.part.0+0x3997/0x6520 kernel/fork.c:1764 #1: (&mm->mmap_sem){++++}, at: [<00000000192d8fef>] dup_mmap kernel/fork.c:610 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000192d8fef>] dup_mm kernel/fork.c:1202 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000192d8fef>] copy_mm kernel/fork.c:1256 [inline] #1: (&mm->mmap_sem){++++}, at: [<00000000192d8fef>] copy_process.part.0+0x39b3/0x6520 kernel/fork.c:1764 #2: (&mm->mmap_sem/1){+.+.}, at: [<000000009990faf6>] dup_mmap kernel/fork.c:619 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<000000009990faf6>] dup_mm kernel/fork.c:1202 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<000000009990faf6>] copy_mm kernel/fork.c:1256 [inline] #2: (&mm->mmap_sem/1){+.+.}, at: [<000000009990faf6>] copy_process.part.0+0x39fb/0x6520 kernel/fork.c:1764 #3: (&mapping->i_mmap_rwsem){++++}, at: [<000000002b126079>] i_mmap_lock_write include/linux/fs.h:470 [inline] #3: (&mapping->i_mmap_rwsem){++++}, at: [<000000002b126079>] dup_mmap kernel/fork.c:684 [inline] #3: (&mapping->i_mmap_rwsem){++++}, at: [<000000002b126079>] dup_mm kernel/fork.c:1202 [inline] #3: (&mapping->i_mmap_rwsem){++++}, at: [<000000002b126079>] copy_mm kernel/fork.c:1256 [inline] #3: (&mapping->i_mmap_rwsem){++++}, at: [<000000002b126079>] copy_process.part.0+0x3e67/0x6520 kernel/fork.c:1764 1 lock held by syz-executor.0/1486: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.3/27505: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.1/16858: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.2/16843: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.0/16857: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.3/16840: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.5/16851: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 1 lock held by syz-executor.1/16853: #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] i_mmap_lock_write include/linux/fs.h:470 [inline] #0: (&mapping->i_mmap_rwsem){++++}, at: [<00000000ac7ec989>] unlink_file_vma+0x6e/0xa0 mm/mmap.c:157 ============================================= 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: 16848 Comm: syz-executor.4 Not tainted 4.14.110+ #49 task: 000000005c7bb30f task.stack: 0000000064674898 RIP: 0010:check_preemption_disabled+0x4/0x1f0 lib/smp_processor_id.c:13 RSP: 0018:ffff88815d1078d8 EFLAGS: 00000297 RAX: ffff8881590c8000 RBX: 0000000000000000 RCX: 1ffffffff5dc2578 RDX: 0000000000000000 RSI: ffffffffae7507c0 RDI: ffffffffae750800 RBP: ffffea000684af40 R08: 0000000000000000 R09: 0000000000020025 R10: ffff8881590c88d0 R11: 0000000000000001 R12: ffffea000684af40 R13: ffffea000684af60 R14: dead000000000100 R15: ffff8881925a18a0 FS: 00007fcddaff2700(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000011dc308 CR3: 0000000163700001 CR4: 00000000001606b0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:360 [inline] rcu_is_watching+0x11/0xb0 kernel/rcu/tree.c:1130 rcu_read_unlock include/linux/rcupdate.h:683 [inline] __unlock_page_memcg+0x72/0x100 mm/memcontrol.c:1697 page_remove_file_rmap mm/rmap.c:1245 [inline] page_remove_rmap+0x158/0x440 mm/rmap.c:1296 zap_pte_range mm/memory.c:1342 [inline] zap_pmd_range mm/memory.c:1444 [inline] zap_pud_range mm/memory.c:1473 [inline] zap_p4d_range mm/memory.c:1494 [inline] unmap_page_range+0xa26/0x12f0 mm/memory.c:1515 unmap_single_vma+0x118/0x170 mm/memory.c:1560 zap_page_range_single+0x1c2/0x270 mm/memory.c:1651 unmap_mapping_range_vma mm/memory.c:2785 [inline] unmap_mapping_range_tree mm/memory.c:2806 [inline] unmap_mapping_range+0x212/0x290 mm/memory.c:2853 truncate_pagecache+0x51/0x90 mm/truncate.c:760 simple_setattr+0xc6/0xf0 fs/libfs.c:409 notify_change2+0xbdd/0xd70 fs/attr.c:317 do_truncate2+0x11e/0x1e0 fs/open.c:63 do_sys_ftruncate.constprop.0+0x34f/0x4a0 fs/open.c:214 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 Code: e8 a2 ae 99 ff e9 17 f3 ff ff e8 38 ae 99 ff e9 eb f2 ff ff e8 ce 59 54 ff 48 8b 3c 24 e8 05 ae 99 ff e9 c6 f7 ff ff 41 57 41 56 <41> 55 49 89 f5 41 54 55 48 89 fd 53 e8 db a4 77 ff 65 44 8b 25