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: [] 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: [] __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/1761: #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 1 lock held by syz-executor5/4523: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/4680: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/4927: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/5655: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/7019: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/7090: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/7846: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/8425: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/10623: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/10644: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/10697: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/11072: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 4 locks held by kworker/u4:11/11538: #0: ("writeback"){+.+.}, at: [] process_one_work+0x787/0x15c0 kernel/workqueue.c:2085 #1: ((&(&wb->dwork)->work)){+.+.}, at: [] process_one_work+0x7bf/0x15c0 kernel/workqueue.c:2089 #2: (&type->s_umount_key#34){++++}, at: [] trylock_super+0x1a/0xe0 fs/super.c:402 #3: (&sbi->s_journal_flag_rwsem){++++}, at: [] do_writepages+0xe0/0x270 mm/page-writeback.c:2341 1 lock held by syz-executor5/12279: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/13111: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/13317: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/13332: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/14130: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/14368: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/18359: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/18837: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/19158: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/19269: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/19400: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 1 lock held by syz-executor5/19797: #0: (sb_internal){.+.+}, at: [] sb_start_intwrite include/linux/fs.h:1590 [inline] #0: (sb_internal){.+.+}, at: [] ext4_evict_inode+0x367/0x1520 fs/ext4/inode.c:250 2 locks held by syz-executor5/21080: #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: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] do_truncate2+0xfd/0x1c0 fs/open.c:61 2 locks held by syz-executor5/21087: #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: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] do_truncate2+0xfd/0x1c0 fs/open.c:61 2 locks held by syz-executor5/21088: #0: (sb_writers#4){.+.+}, at: [] file_start_write include/linux/fs.h:2722 [inline] #0: (sb_writers#4){.+.+}, at: [] vfs_fallocate+0x4dd/0x700 fs/open.c:327 #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] ext4_fallocate+0x359/0x1c80 fs/ext4/extents.c:4965 2 locks held by syz-executor5/21089: #0: (sb_writers#4){.+.+}, at: [] file_start_write include/linux/fs.h:2722 [inline] #0: (sb_writers#4){.+.+}, at: [] vfs_fallocate+0x4dd/0x700 fs/open.c:327 #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] ext4_fallocate+0x359/0x1c80 fs/ext4/extents.c:4965 2 locks held by syz-executor5/21090: #0: (sb_writers#4){.+.+}, at: [] sb_start_write include/linux/fs.h:1543 [inline] #0: (sb_writers#4){.+.+}, at: [] mnt_want_write_file+0xfa/0x300 fs/namespace.c:498 #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_lock include/linux/fs.h:713 [inline] #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] lock_two_nondirectories+0xca/0xf0 fs/inode.c:982 2 locks held by init/21105: #0: (sb_writers#4){.+.+}, at: [] file_start_write include/linux/fs.h:2722 [inline] #0: (sb_writers#4){.+.+}, at: [] vfs_write+0x3d7/0x4d0 fs/read_write.c:545 #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] inode_trylock include/linux/fs.h:733 [inline] #1: (&sb->s_type->i_mutex_key#9){++++}, at: [] 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