device syz_tun left promiscuous mode
INFO: task jbd2/sda1-8:75 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
jbd2/sda1-8     D27048    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 syz-executor5:4523 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28728  4523   4522 0x80000000
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107e17cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007ffe37c94e4f R14: 00007f0107e189c0 R15: 0000000000000000
INFO: task syz-executor5:4680 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28368  4680   1848 0x80000000
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107e17c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000023
RAX: fffffffffffffdfc RBX: 0000000000000002 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 00000000200000c0 RDI: 0000000020000080
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007f0107e186d4
R13: 00000000004bd9e2 R14: 00000000004d3fc0 R15: 00000000ffffffff
INFO: task syz-executor5:4927 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28696  4927   1848 0x80000000
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107df6cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bfa8 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bfa8
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bfac
R13: 00007ffe37c94e4f R14: 00007f0107df79c0 R15: 0000000000000001
INFO: task syz-executor5:5655 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28728  5655   1848 0x80000000
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107e17cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007ffe37c94e4f R14: 00007f0107e189c0 R15: 0000000000000000
INFO: task syz-executor5:7019 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28472  7019   1848 0x80000000
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107df6cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bfa8 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bfa8
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bfac
R13: 00007ffe37c94e4f R14: 00007f0107df79c0 R15: 0000000000000001
INFO: task syz-executor5:7090 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28728  7090   1848 0x80000002
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107e17cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007ffe37c94e4f R14: 00007f0107e189c0 R15: 0000000000000000
INFO: task syz-executor5:7846 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28728  7846   1848 0x80000000
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 path_put+0x2d/0x60 fs/namei.c:516
 free_fs_struct+0x1e/0x60 fs/fs_struct.c:91
 exit_fs+0xd6/0x110 fs/fs_struct.c:109
 do_exit+0x8d5/0x2800 kernel/exit.c:861
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107e17cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007ffe37c94e4f R14: 00007f0107e189c0 R15: 0000000000000000
INFO: task syz-executor5:8425 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D28632  8425   1848 0x80000002
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 __fput+0x42c/0x6f0 fs/file_table.c:228
 task_work_run+0x116/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x8f8/0x2800 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107df6cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bfa8 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bfa8
RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bfac
R13: 00007ffe37c94e4f R14: 00007f0107df79c0 R15: 0000000000000001
INFO: task syz-executor5:10623 blocked for more than 140 seconds.
      Not tainted 4.14.73+ #12
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor5   D27848 10623   1848 0x80000002
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_evict_inode+0x59b/0x1520 fs/ext4/inode.c:255
 evict+0x2cb/0x5f0 fs/inode.c:554
 iput_final fs/inode.c:1516 [inline]
 iput+0x373/0x8e0 fs/inode.c:1543
 dentry_unlink_inode+0x25c/0x310 fs/dcache.c:373
 __dentry_kill+0x31b/0x590 fs/dcache.c:577
 dentry_kill fs/dcache.c:618 [inline]
 dput.part.6+0x4b5/0x710 fs/dcache.c:833
 dput+0x1b/0x30 fs/dcache.c:797
 __fput+0x42c/0x6f0 fs/file_table.c:228
 task_work_run+0x116/0x190 kernel/task_work.c:113
 exit_task_work include/linux/task_work.h:22 [inline]
 do_exit+0x8f8/0x2800 kernel/exit.c:865
 do_group_exit+0x100/0x2e0 kernel/exit.c:968
 get_signal+0x4e5/0x1470 kernel/signal.c:2348
 do_signal+0x8f/0x1660 arch/x86/kernel/signal.c:809
 exit_to_usermode_loop+0x116/0x150 arch/x86/entry/common.c:159
 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline]
 syscall_return_slowpath arch/x86/entry/common.c:267 [inline]
 do_syscall_64+0x35d/0x4b0 arch/x86/entry/common.c:294
 entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x457579
RSP: 002b:00007f0107e17cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457579
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08
RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c
R13: 00007ffe37c94e4f R14: 00007f0107e189c0 R15: 0000000000000000

Showing all locks held in the system:
1 lock held by khungtaskd/23:
 #0:  (tasklist_lock){.+.?}, at: [<ffffffff87601ef7>] debug_show_all_locks+0x74/0x20f kernel/locking/lockdep.c:4541
3 locks held by rs:main Q:Reg/1631:
 #0:  (&f->f_pos_lock){+.+.}, at: [<ffffffff879bd322>] __fdget_pos+0xa2/0xc0 fs/file.c:768
 #1:  (sb_writers#4){.+.+}, at: [<ffffffff8795bc17>] file_start_write include/linux/fs.h:2722 [inline]
 #1:  (sb_writers#4){.+.+}, at: [<ffffffff8795bc17>] vfs_write+0x3d7/0x4d0 fs/read_write.c:545
 #2:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b15149>] inode_trylock include/linux/fs.h:733 [inline]
 #2:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b15149>] ext4_file_write_iter+0x1b9/0xe20 fs/ext4/file.c:230
2 locks held by getty/1761:
 #0:  (&tty->ldisc_sem){++++}, at: [<ffffffff8812ec70>] tty_ldisc_ref_wait+0x20/0x80 drivers/tty/tty_ldisc.c:275
 #1:  (&ldata->atomic_read_lock){+.+.}, at: [<ffffffff8812a1ef>] n_tty_read+0x1ff/0x15e0 drivers/tty/n_tty.c:2142
1 lock held by syz-executor5/4523:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/4680:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/4927:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/5655:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/7019:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/7090:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/7846:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/8425:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/10623:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/10644:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/10697:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/11072:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
4 locks held by kworker/u4:11/11538:
 #0:  ("writeback"){+.+.}, at: [<ffffffff875275d7>] process_one_work+0x787/0x15c0 kernel/workqueue.c:2085
 #1:  ((&(&wb->dwork)->work)){+.+.}, at: [<ffffffff8752760f>] process_one_work+0x7bf/0x15c0 kernel/workqueue.c:2089
 #2:  (&type->s_umount_key#34){++++}, at: [<ffffffff87962aba>] trylock_super+0x1a/0xe0 fs/super.c:402
 #3:  (&sbi->s_journal_flag_rwsem){++++}, at: [<ffffffff87853910>] do_writepages+0xe0/0x270 mm/page-writeback.c:2341
1 lock held by syz-executor5/12279:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/13111:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/13317:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/13332:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/14130:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/14368:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/18359:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/18837:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/19158:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/19269:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/19400:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
1 lock held by syz-executor5/19797:
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] sb_start_intwrite include/linux/fs.h:1590 [inline]
 #0:  (sb_internal){.+.+}, at: [<ffffffff87b5c337>] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250
2 locks held by syz-executor5/21080:
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff879c55aa>] sb_start_write include/linux/fs.h:1543 [inline]
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff879c55aa>] mnt_want_write+0x3a/0xa0 fs/namespace.c:387
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87950a0d>] inode_lock include/linux/fs.h:713 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87950a0d>] do_truncate2+0xfd/0x1c0 fs/open.c:61
2 locks held by syz-executor5/21087:
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff879c55aa>] sb_start_write include/linux/fs.h:1543 [inline]
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff879c55aa>] mnt_want_write+0x3a/0xa0 fs/namespace.c:387
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87950a0d>] inode_lock include/linux/fs.h:713 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87950a0d>] do_truncate2+0xfd/0x1c0 fs/open.c:61
2 locks held by syz-executor5/21088:
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff8794eadd>] file_start_write include/linux/fs.h:2722 [inline]
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff8794eadd>] vfs_fallocate+0x4dd/0x700 fs/open.c:327
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b0b609>] inode_lock include/linux/fs.h:713 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b0b609>] ext4_fallocate+0x359/0x1c80 fs/ext4/extents.c:4965
2 locks held by syz-executor5/21089:
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff8794eadd>] file_start_write include/linux/fs.h:2722 [inline]
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff8794eadd>] vfs_fallocate+0x4dd/0x700 fs/open.c:327
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b0b609>] inode_lock include/linux/fs.h:713 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b0b609>] ext4_fallocate+0x359/0x1c80 fs/ext4/extents.c:4965
2 locks held by syz-executor5/21090:
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff879c57aa>] sb_start_write include/linux/fs.h:1543 [inline]
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff879c57aa>] mnt_want_write_file+0xfa/0x300 fs/namespace.c:498
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff879b177a>] inode_lock include/linux/fs.h:713 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff879b177a>] lock_two_nondirectories+0xca/0xf0 fs/inode.c:982
2 locks held by init/21105:
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff8795bc17>] file_start_write include/linux/fs.h:2722 [inline]
 #0:  (sb_writers#4){.+.+}, at: [<ffffffff8795bc17>] vfs_write+0x3d7/0x4d0 fs/read_write.c:545
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b15149>] inode_trylock include/linux/fs.h:733 [inline]
 #1:  (&sb->s_type->i_mutex_key#9){++++}, at: [<ffffffff87b15149>] ext4_file_write_iter+0x1b9/0xe20 fs/ext4/file.c:230

=============================================

NMI backtrace for cpu 1
CPU: 1 PID: 23 Comm: khungtaskd Not tainted 4.14.73+ #12
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: 21038 Comm: syz-executor5 Not tainted 4.14.73+ #12
task: ffff8801d6b55e00 task.stack: ffff88019b940000
RIP: 0010:__read_once_size include/linux/compiler.h:183 [inline]
RIP: 0010:__sanitizer_cov_trace_pc+0x4b/0x60 kernel/kcov.c:87
RSP: 0018:ffff88019b947678 EFLAGS: 00000283
RAX: 0000000000040000 RBX: 0000000000008602 RCX: 000000000003ffff
RDX: ffffffff816f64da RSI: ffffc90001dad000 RDI: ffff8801924f591c
RBP: ffff8801924f591a R08: 0000000050a4667e R09: 0000000000000000
R10: ffff8801d6b56720 R11: 0000000000000001 R12: 0000000000008602
R13: ffff8801924f5908 R14: 0000000000000000 R15: ffff8801d4044290
FS:  00007f0107e18700(0000) GS:ffff8801dba00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f1b0006e068 CR3: 00000001d2876004 CR4: 00000000001606b0
DR0: 0000000020000000 DR1: 00000000200001c0 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 ext4_find_extent+0x5ca/0x980 include/linux/err.h:26
 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:00007f0107e17c78 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: 00007f0107e186d4
R13: 00000000004bf5dd R14: 00000000004cf460 R15: 00000000ffffffff
Code: 11 00 00 83 fa 01 74 01 c3 48 c7 c2 00 00 00 81 48 81 ea 00 00 40 87 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 39 c8 76 d4 48 89 14 ce 48 89 0e c3 0f 1f 40 00