ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! ip6_tunnel: ip6tnl2 xmit: Local address not yet configured! ip6_tunnel: ip6tnl2 xmit: Local address not yet configured! ip6_tunnel: ip6tnl1 xmit: Local address not yet configured! ip6_tunnel: ip6tnl2 xmit: Local address not yet configured! INFO: task jbd2/sda1-8:75 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. jbd2/sda1-8 D26752 75 2 0x80000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_journal_commit_transaction+0x724/0x648c fs/jbd2/commit.c:437 kjournald2+0x244/0x820 fs/jbd2/journal.c:233 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 INFO: task rs:main Q:Reg:1627 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. rs:main Q:Reg D27352 1627 1 0x00000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] file_update_time+0x262/0x390 fs/inode.c:1877 __generic_file_write_iter+0x1bc/0x540 mm/filemap.c:3112 ext4_file_write_iter+0x4f6/0xe20 fs/ext4/file.c:264 call_write_iter include/linux/fs.h:1782 [inline] new_sync_write fs/read_write.c:471 [inline] __vfs_write+0x417/0x5c0 fs/read_write.c:484 vfs_write+0x17f/0x4d0 fs/read_write.c:546 SYSC_write fs/read_write.c:593 [inline] SyS_write+0xc2/0x1a0 fs/read_write.c:585 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x7f4952c9219d RSP: 002b:00007f4951233000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 000000000000006d RCX: 00007f4952c9219d RDX: 000000000000006d RSI: 0000000002589a90 RDI: 0000000000000001 RBP: 0000000002589a90 R08: 0000000002589a90 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f4951233480 R14: 0000000000000001 R15: 0000000002589890 INFO: task syz-fuzzer:1778 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-fuzzer D26288 1778 1773 0x00000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] file_update_time+0x262/0x390 fs/inode.c:1877 ext4_page_mkwrite+0x18e/0xf40 fs/ext4/inode.c:6090 do_page_mkwrite+0xd9/0x2f0 mm/memory.c:2377 wp_page_shared mm/memory.c:2669 [inline] do_wp_page+0xd42/0x1880 mm/memory.c:2769 handle_pte_fault mm/memory.c:3950 [inline] __handle_mm_fault+0xd9e/0x23a0 mm/memory.c:4058 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4095 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104 RIP: 0020:0x13 RSP: 30119a00:000000c4301195a8 EFLAGS: 00000000 INFO: task syz-fuzzer:1792 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-fuzzer D26528 1792 1773 0x00000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] file_update_time+0x262/0x390 fs/inode.c:1877 ext4_page_mkwrite+0x18e/0xf40 fs/ext4/inode.c:6090 do_page_mkwrite+0xd9/0x2f0 mm/memory.c:2377 wp_page_shared mm/memory.c:2669 [inline] do_wp_page+0xd42/0x1880 mm/memory.c:2769 handle_pte_fault mm/memory.c:3950 [inline] __handle_mm_fault+0xd9e/0x23a0 mm/memory.c:4058 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4095 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104 RIP: 0001:0xc432e17a58 RSP: 32e17a00:000000c432e178f0 EFLAGS: c432e17a41 INFO: task syz-executor5:1842 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor5 D27480 1842 1836 0x00000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] touch_atime+0x210/0x270 fs/inode.c:1738 file_accessed include/linux/fs.h:2079 [inline] iterate_dir+0x4c3/0x5e0 fs/readdir.c:57 SYSC_getdents fs/readdir.c:232 [inline] SyS_getdents+0x146/0x270 fs/readdir.c:213 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45597b RSP: 002b:00007ffe43c589e0 EFLAGS: 00000202 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 00000000016fa970 RCX: 000000000045597b RDX: 0000000000008000 RSI: 00000000016fa970 RDI: 0000000000000003 RBP: 00000000016fa970 R08: 0000000000000001 R09: 00000000016f9940 R10: 0000000000000000 R11: 0000000000000202 R12: ffffffffffffffd4 R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000005 INFO: task syz-executor2:1843 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D27384 1843 1838 0x00000000 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] touch_atime+0x210/0x270 fs/inode.c:1738 file_accessed include/linux/fs.h:2079 [inline] iterate_dir+0x4c3/0x5e0 fs/readdir.c:57 SYSC_getdents fs/readdir.c:232 [inline] SyS_getdents+0x146/0x270 fs/readdir.c:213 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x45597b RSP: 002b:00007ffd4eb23eb0 EFLAGS: 00000202 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 000000000280e970 RCX: 000000000045597b RDX: 0000000000008000 RSI: 000000000280e970 RDI: 0000000000000003 RBP: 000000000280e970 R08: 0000000000000001 R09: 000000000280d940 R10: 0000000000000000 R11: 0000000000000202 R12: ffffffffffffffd4 R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000002 INFO: task syz-executor3:2233 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor3 D28424 2233 28114 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] file_update_time+0x262/0x390 fs/inode.c:1877 ext4_page_mkwrite+0x18e/0xf40 fs/ext4/inode.c:6090 do_page_mkwrite+0xd9/0x2f0 mm/memory.c:2377 wp_page_shared mm/memory.c:2669 [inline] do_wp_page+0xd42/0x1880 mm/memory.c:2769 handle_pte_fault mm/memory.c:3950 [inline] __handle_mm_fault+0xd9e/0x23a0 mm/memory.c:4058 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4095 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104 RIP: 03e8:0x72bf00 RSP: 0001:00000000000003e7 EFLAGS: 0072c900 INFO: task syz-executor0:2261 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D29160 2261 1845 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] file_update_time+0x262/0x390 fs/inode.c:1877 ext4_page_mkwrite+0x18e/0xf40 fs/ext4/inode.c:6090 do_page_mkwrite+0xd9/0x2f0 mm/memory.c:2377 wp_page_shared mm/memory.c:2669 [inline] do_wp_page+0xd42/0x1880 mm/memory.c:2769 handle_pte_fault mm/memory.c:3950 [inline] __handle_mm_fault+0xd9e/0x23a0 mm/memory.c:4058 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4095 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104 RIP: 03e8:0x72bfa0 RSP: 0003:0000000000000009 EFLAGS: 0072bfac INFO: task syz-executor0:2269 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D26824 2269 1845 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 jbd2_log_wait_commit+0x2a5/0x3f0 fs/jbd2/journal.c:730 ext4_sync_fs+0x473/0x7b0 fs/ext4/super.c:4931 __sync_filesystem fs/sync.c:39 [inline] sync_filesystem+0x185/0x230 fs/sync.c:67 SYSC_syncfs fs/sync.c:166 [inline] SyS_syncfs+0x88/0xe0 fs/sync.c:155 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x457579 RSP: 002b:00007f2f8f6a9c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000132 RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 0000000000457579 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f2f8f6aa6d4 R13: 00000000004c4876 R14: 00000000004d7b00 R15: 00000000ffffffff INFO: task syz-executor4:2262 blocked for more than 140 seconds. Not tainted 4.14.73+ #16 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D28424 2262 1847 0x00000004 Call Trace: schedule+0x7f/0x1b0 kernel/sched/core.c:3490 wait_transaction_locked+0x1a1/0x220 fs/jbd2/transaction.c:164 add_transaction_credits+0x403/0x970 fs/jbd2/transaction.c:192 start_this_handle+0x368/0xfc0 fs/jbd2/transaction.c:362 jbd2__journal_start+0x30a/0x8b0 fs/jbd2/transaction.c:444 __ext4_journal_start_sb+0x109/0x460 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:314 [inline] ext4_dirty_inode+0x4f/0xa0 fs/ext4/inode.c:5938 __mark_inode_dirty+0x108/0x1060 fs/fs-writeback.c:2097 generic_update_time+0x1a5/0x270 fs/inode.c:1650 update_time fs/inode.c:1666 [inline] file_update_time+0x262/0x390 fs/inode.c:1877 ext4_page_mkwrite+0x18e/0xf40 fs/ext4/inode.c:6090 do_page_mkwrite+0xd9/0x2f0 mm/memory.c:2377 wp_page_shared mm/memory.c:2669 [inline] do_wp_page+0xd42/0x1880 mm/memory.c:2769 handle_pte_fault mm/memory.c:3950 [inline] __handle_mm_fault+0xd9e/0x23a0 mm/memory.c:4058 handle_mm_fault+0x2f2/0x6eb mm/memory.c:4095 __do_page_fault+0x45d/0xb60 arch/x86/mm/fault.c:1425 page_fault+0x42/0x50 arch/x86/entry/entry_64.S:1104 RIP: 03e8:0x72bf00 RSP: 0003:0000000000000041 EFLAGS: 0072bf0c Showing all locks held in the system: 1 lock held by khungtaskd/23: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541 3 locks held by rs:main Q:Reg/1627: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0xa2/0xc0 fs/file.c:768 #1: (sb_writers#4){.+.+}, at: [] file_start_write include/linux/fs.h:2722 [inline] #1: (sb_writers#4){.+.+}, at: [] vfs_write+0x3d7/0x4d0 fs/read_write.c:545 #2: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_trylock include/linux/fs.h:733 [inline] #2: (&sb->s_type->i_mutex_key#9){++++}, at: [] ext4_file_write_iter+0x1b9/0xe20 fs/ext4/file.c:230 2 locks held by getty/1757: #0: (&tty->ldisc_sem){++++}, at: [] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275 #1: (&ldata->atomic_read_lock){+.+.}, at: [] n_tty_read+0x1ff/0x15e0 drivers/tty/n_tty.c:2142 2 locks held by syz-fuzzer/1778: #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354 #1: (sb_pagefaults){.+.+}, at: [] sb_start_pagefault include/linux/fs.h:1572 [inline] #1: (sb_pagefaults){.+.+}, at: [] ext4_page_mkwrite+0x167/0xf40 fs/ext4/inode.c:6089 2 locks held by syz-fuzzer/1792: #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354 #1: (sb_pagefaults){.+.+}, at: [] sb_start_pagefault include/linux/fs.h:1572 [inline] #1: (sb_pagefaults){.+.+}, at: [] ext4_page_mkwrite+0x167/0xf40 fs/ext4/inode.c:6089 2 locks held by syz-executor5/1842: #0: (&type->i_mutex_dir_key#3){++++}, at: [] inode_lock_shared include/linux/fs.h:723 [inline] #0: (&type->i_mutex_dir_key#3){++++}, at: [] iterate_dir+0xb9/0x5e0 fs/readdir.c:41 #1: (sb_writers#4){.+.+}, at: [] sb_start_write_trylock include/linux/fs.h:1548 [inline] #1: (sb_writers#4){.+.+}, at: [] touch_atime+0x144/0x270 fs/inode.c:1723 2 locks held by syz-executor2/1843: #0: (&type->i_mutex_dir_key#3){++++}, at: [] inode_lock_shared include/linux/fs.h:723 [inline] #0: (&type->i_mutex_dir_key#3){++++}, at: [] iterate_dir+0xb9/0x5e0 fs/readdir.c:41 #1: (sb_writers#4){.+.+}, at: [] sb_start_write_trylock include/linux/fs.h:1548 [inline] #1: (sb_writers#4){.+.+}, at: [] touch_atime+0x144/0x270 fs/inode.c:1723 2 locks held by syz-executor3/2233: #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354 #1: (sb_pagefaults){.+.+}, at: [] sb_start_pagefault include/linux/fs.h:1572 [inline] #1: (sb_pagefaults){.+.+}, at: [] ext4_page_mkwrite+0x167/0xf40 fs/ext4/inode.c:6089 2 locks held by syz-executor0/2261: #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354 #1: (sb_pagefaults){.+.+}, at: [] sb_start_pagefault include/linux/fs.h:1572 [inline] #1: (sb_pagefaults){.+.+}, at: [] ext4_page_mkwrite+0x167/0xf40 fs/ext4/inode.c:6089 1 lock held by syz-executor0/2269: #0: (&type->s_umount_key#34){++++}, at: [] SYSC_syncfs fs/sync.c:165 [inline] #0: (&type->s_umount_key#34){++++}, at: [] SyS_syncfs+0x80/0xe0 fs/sync.c:155 2 locks held by syz-executor4/2262: #0: (&mm->mmap_sem){++++}, at: [] __do_page_fault+0x26d/0xb60 arch/x86/mm/fault.c:1354 #1: (sb_pagefaults){.+.+}, at: [] sb_start_pagefault include/linux/fs.h:1572 [inline] #1: (sb_pagefaults){.+.+}, at: [] ext4_page_mkwrite+0x167/0xf40 fs/ext4/inode.c:6089 2 locks held by syz-executor1/2272: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [] inode_lock_nested include/linux/fs.h:748 [inline] #1: (&type->i_mutex_dir_key#3/1){+.+.}, at: [] filename_create+0x15d/0x450 fs/namei.c:3655 2 locks held by cron/2274: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write+0x3a/0xa0 fs/namespace.c:387 #1: (&type->i_mutex_dir_key#3){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [] do_last fs/namei.c:3317 [inline] #1: (&type->i_mutex_dir_key#3){++++}, at: [] path_openat+0xe43/0x23a0 fs/namei.c:3550 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.73+ #16 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0xb9/0x11b lib/dump_stack.c:53 nmi_cpu_backtrace.cold.0+0x47/0x85 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x121/0x146 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:138 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:196 [inline] watchdog+0x574/0xa70 kernel/hung_task.c:252 kthread+0x348/0x420 kernel/kthread.c:232 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:402 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 2234 Comm: syz-executor3 Not tainted 4.14.73+ #16 task: ffff8801c692c680 task.stack: ffff8801cd530000 RIP: 0010:__sanitizer_cov_trace_pc+0x3b/0x60 kernel/kcov.c:74 RSP: 0018:ffff8801cd537678 EFLAGS: 00000283 RAX: ffff8801c692c680 RBX: 0000000000000000 RCX: 0000000000040000 RDX: ffffffff816f5f8f RSI: ffffc9000c83b000 RDI: ffff880192a3693e RBP: 0000000000000000 R08: 00000000e7480e09 R09: 0000000000000000 R10: ffff8801c692cfa0 R11: 0000000000000001 R12: ffff8801cd5378f8 R13: ffff880192a36938 R14: 0000000000000000 R15: 0000000000008002 FS: 00007fe8a9120700(0000) GS:ffff8801dba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00000000026071f8 CR3: 00000001c724e002 CR4: 00000000001606b0 DR0: 0000000020000000 DR1: 0000000020000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000600 Call Trace: ext4_find_extent+0x7f/0x980 fs/ext4/extents.c:878 get_ext_path fs/ext4/move_extent.c:39 [inline] mext_check_coverage.constprop.2+0x234/0x3c0 fs/ext4/move_extent.c:106 move_extent_per_page fs/ext4/move_extent.c:333 [inline] ext4_move_extents+0x17dc/0x2a10 fs/ext4/move_extent.c:681 ext4_ioctl+0x275c/0x35e0 fs/ext4/ioctl.c:765 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:500 [inline] do_vfs_ioctl+0x1a0/0x1030 fs/ioctl.c:684 SYSC_ioctl fs/ioctl.c:701 [inline] SyS_ioctl+0x7e/0xb0 fs/ioctl.c:692 do_syscall_64+0x19b/0x4b0 arch/x86/entry/common.c:289 entry_SYSCALL_64_after_hwframe+0x42/0xb7 RIP: 0033:0x457579 RSP: 002b:00007fe8a911fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe8a91206d4 R13: 00000000004bf5dd R14: 00000000004cf460 R15: 00000000ffffffff Code: 15 7b 24 51 7d 81 e2 00 01 1f 00 75 0b 8b 90 a8 11 00 00 83 fa 01 74 01 c3 48 c7 c2 00 00 00 81 48 81 ea 00 00 80 82 48 03 14 24 <48> 8b b0 b0 11 00 00 8b 80 ac 11 00 00 48 8b 0e 48 83 c1 01 48