INFO: task rs:main Q:Reg:5690 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. rs:main Q:Reg D21536 5690 1 0x00000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_dirty_inode+0x62/0xc0 fs/ext4/inode.c:6023 __mark_inode_dirty+0x7c3/0x1510 fs/fs-writeback.c:2129 generic_update_time+0x26a/0x450 fs/inode.c:1651 update_time fs/inode.c:1667 [inline] file_update_time+0x390/0x640 fs/inode.c:1877 __generic_file_write_iter+0x1dc/0x630 mm/filemap.c:3214 ext4_file_write_iter+0x390/0x1420 fs/ext4/file.c:266 call_write_iter include/linux/fs.h:1808 [inline] new_sync_write fs/read_write.c:474 [inline] __vfs_write+0x6b8/0x9f0 fs/read_write.c:487 vfs_write+0x1fc/0x560 fs/read_write.c:549 ksys_write+0x101/0x260 fs/read_write.c:598 __do_sys_write fs/read_write.c:610 [inline] __se_sys_write fs/read_write.c:607 [inline] __x64_sys_write+0x73/0xb0 fs/read_write.c:607 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f6c4e89619d Code: Bad RIP value. RSP: 002b:00007f6c4ce37000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00000000000000f5 RCX: 00007f6c4e89619d RDX: 00000000000000f5 RSI: 00000000016fba90 RDI: 0000000000000005 RBP: 00000000016fba90 R08: 00000000016fbaf9 R09: 00007f6c4e213347 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000 R13: 00007f6c4ce37480 R14: 0000000000000002 R15: 00000000016fb890 INFO: task syz-fuzzer:5804 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-fuzzer D16064 5804 5802 0x00000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_dirty_inode+0x62/0xc0 fs/ext4/inode.c:6023 __mark_inode_dirty+0x7c3/0x1510 fs/fs-writeback.c:2129 generic_update_time+0x26a/0x450 fs/inode.c:1651 update_time fs/inode.c:1667 [inline] file_update_time+0x390/0x640 fs/inode.c:1877 ext4_page_mkwrite+0x1fe/0x14a0 fs/ext4/inode.c:6171 do_page_mkwrite+0x14e/0x660 mm/memory.c:2388 wp_page_shared mm/memory.c:2684 [inline] do_wp_page+0xd29/0x1390 mm/memory.c:2784 handle_pte_fault mm/memory.c:3999 [inline] __handle_mm_fault+0x2c60/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x70b581 Code: 48 89 6c 24 10 48 8d 6c 24 10 48 8b 44 24 20 48 8b 48 08 48 8b 50 10 48 8d 58 08 48 83 fa 08 0f 8c 1e 01 00 00 48 8b 54 24 28 <88> 11 48 8b 48 08 48 8b 70 10 48 83 fe 01 0f 86 44 01 00 00 48 89 RSP: 002b:000000c4200378e0 EFLAGS: 00010212 RAX: 000000c4200379f8 RBX: 000000c420037a00 RCX: 00007f364684c000 RDX: 00000000000007b2 RSI: 000000000072a460 RDI: 000000c420037838 RBP: 000000c4200378f0 R08: 0000000000000000 R09: 0000000000000000 R10: 000000000094cbf2 R11: 0000000000000004 R12: 0000000000000000 R13: 0000000000000020 R14: 0000000000000013 R15: 000000c42925d600 INFO: task syz-executor0:5818 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor0 D18952 5818 5817 0x00000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_dirty_inode+0x62/0xc0 fs/ext4/inode.c:6023 __mark_inode_dirty+0x7c3/0x1510 fs/fs-writeback.c:2129 generic_update_time+0x26a/0x450 fs/inode.c:1651 update_time fs/inode.c:1667 [inline] touch_atime+0x29c/0x320 fs/inode.c:1738 file_accessed include/linux/fs.h:2105 [inline] iterate_dir+0x370/0x5d0 fs/readdir.c:56 __do_sys_getdents fs/readdir.c:231 [inline] __se_sys_getdents fs/readdir.c:212 [inline] __x64_sys_getdents+0x29f/0x510 fs/readdir.c:212 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45597b Code: 8b 44 24 10 48 89 44 24 50 48 8b 4c 24 08 48 89 8c 24 d8 00 00 00 48 8b 94 24 a8 00 00 00 8b 12 89 54 24 08 48 8b 94 24 50 01 <00> 00 48 89 14 24 e8 da df ff ff 48 8b 44 24 10 48 89 04 24 e8 bc RSP: 002b:00007ffc0bf9e8b0 EFLAGS: 00000202 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 0000000002688970 RCX: 000000000045597b RDX: 0000000000008000 RSI: 0000000002688970 RDI: 0000000000000003 RBP: 0000000002688970 R08: 0000000000000001 R09: 0000000002687940 R10: 0000000000000000 R11: 0000000000000202 R12: ffffffffffffffd4 R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000000 INFO: task syz-executor1:5828 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor1 D18984 5828 5826 0x00000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_dirty_inode+0x62/0xc0 fs/ext4/inode.c:6023 __mark_inode_dirty+0x7c3/0x1510 fs/fs-writeback.c:2129 generic_update_time+0x26a/0x450 fs/inode.c:1651 update_time fs/inode.c:1667 [inline] touch_atime+0x29c/0x320 fs/inode.c:1738 file_accessed include/linux/fs.h:2105 [inline] iterate_dir+0x370/0x5d0 fs/readdir.c:56 __do_sys_getdents fs/readdir.c:231 [inline] __se_sys_getdents fs/readdir.c:212 [inline] __x64_sys_getdents+0x29f/0x510 fs/readdir.c:212 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45597b Code: Bad RIP value. RSP: 002b:00007ffc16978250 EFLAGS: 00000206 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 000000000204d970 RCX: 000000000045597b RDX: 0000000000008000 RSI: 000000000204d970 RDI: 0000000000000003 RBP: 000000000204d970 R08: 0000000000000001 R09: 000000000204c940 R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffd4 R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000001 INFO: task syz-executor4:5923 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D16864 5923 5907 0x00000000 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_dirty_inode+0x62/0xc0 fs/ext4/inode.c:6023 __mark_inode_dirty+0x7c3/0x1510 fs/fs-writeback.c:2129 generic_update_time+0x26a/0x450 fs/inode.c:1651 update_time fs/inode.c:1667 [inline] touch_atime+0x29c/0x320 fs/inode.c:1738 file_accessed include/linux/fs.h:2105 [inline] iterate_dir+0x370/0x5d0 fs/readdir.c:56 __do_sys_getdents fs/readdir.c:231 [inline] __se_sys_getdents fs/readdir.c:212 [inline] __x64_sys_getdents+0x29f/0x510 fs/readdir.c:212 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x45597b Code: Bad RIP value. RSP: 002b:00007ffcc5294990 EFLAGS: 00000206 ORIG_RAX: 000000000000004e RAX: ffffffffffffffda RBX: 0000000002061970 RCX: 000000000045597b RDX: 0000000000008000 RSI: 0000000002061970 RDI: 0000000000000003 RBP: 0000000002061970 R08: 0000000000000001 R09: 0000000002060940 R10: 0000000000000000 R11: 0000000000000206 R12: ffffffffffffffd4 R13: 0000000000000016 R14: 0000000000000000 R15: 0000000000000004 INFO: task kworker/u4:6:8446 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. kworker/u4:6 D14800 8446 2 0x80000000 Workqueue: writeback wb_workfn (flush-8:0) Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 io_schedule+0x1c/0x70 kernel/sched/core.c:5140 wait_on_page_bit_common+0x5b4/0x890 mm/filemap.c:1100 __lock_page+0x112/0x170 mm/filemap.c:1273 lock_page include/linux/pagemap.h:483 [inline] mpage_prepare_extent_to_map+0xfa4/0x19c0 fs/ext4/inode.c:2654 ext4_writepages+0x157f/0x4110 fs/ext4/inode.c:2807 do_writepages+0x9a/0x1a0 mm/page-writeback.c:2340 __writeback_single_inode+0x20a/0x1620 fs/fs-writeback.c:1323 writeback_sb_inodes+0x71f/0x11d0 fs/fs-writeback.c:1587 __writeback_inodes_wb+0x1b9/0x340 fs/fs-writeback.c:1656 wb_writeback+0xa73/0xfc0 fs/fs-writeback.c:1765 wb_check_start_all fs/fs-writeback.c:1889 [inline] wb_do_writeback fs/fs-writeback.c:1915 [inline] wb_workfn+0xee9/0x1790 fs/fs-writeback.c:1949 process_one_work+0xc90/0x1b90 kernel/workqueue.c:2153 worker_thread+0x17f/0x1390 kernel/workqueue.c:2296 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 INFO: task syz-executor2:18785 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D25112 18785 5850 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 jbd2_journal_lock_updates+0x388/0x7f0 fs/jbd2/transaction.c:744 ext4_ioctl+0x254a/0x4210 fs/ext4/ioctl.c:748 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: Bad RIP value. RSP: 002b:00007f78b8becc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000020000100 RSI: 0000000040086607 RDI: 0000000000000004 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78b8bed6d4 R13: 00000000004bf6d8 R14: 00000000004cf5b0 R15: 00000000ffffffff INFO: task syz-executor2:18789 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor2 D25112 18789 5850 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_ioctl+0x2409/0x4210 fs/ext4/ioctl.c:703 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 24 08 48 89 01 e8 d7 2d fc ff e8 22 7a fc ff b8 02 00 00 00 48 8d 0d 6a 60 09 01 87 01 8b 05 62 60 09 01 83 f8 01 0f 85 8a 00 <00> 00 b8 01 00 00 00 88 05 9e 65 09 01 84 c0 74 72 b8 01 00 00 00 RSP: 002b:00007f78b8bcbc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000020000080 RSI: 0000000040087602 RDI: 0000000000000004 RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f78b8bcc6d4 R13: 00000000004bf78e R14: 00000000004cf6a0 R15: 00000000ffffffff INFO: task syz-executor3:18783 blocked for more than 140 seconds. Not tainted 4.19.0-rc5+ #125 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor3 D19152 18783 5883 0x00000004 Call Trace: context_switch kernel/sched/core.c:2825 [inline] __schedule+0x86c/0x1ed0 kernel/sched/core.c:3473 schedule+0xfe/0x460 kernel/sched/core.c:3517 start_this_handle+0x83e/0x1250 fs/jbd2/transaction.c:334 jbd2__journal_start+0x3c9/0xa90 fs/jbd2/transaction.c:439 __ext4_journal_start_sb+0x1a5/0x5f0 fs/ext4/ext4_jbd2.c:81 __ext4_journal_start fs/ext4/ext4_jbd2.h:311 [inline] ext4_dirty_inode+0x62/0xc0 fs/ext4/inode.c:6023 __mark_inode_dirty+0x7c3/0x1510 fs/fs-writeback.c:2129 generic_update_time+0x26a/0x450 fs/inode.c:1651 update_time fs/inode.c:1667 [inline] file_update_time+0x390/0x640 fs/inode.c:1877 ext4_page_mkwrite+0x1fe/0x14a0 fs/ext4/inode.c:6171 do_page_mkwrite+0x14e/0x660 mm/memory.c:2388 wp_page_shared mm/memory.c:2684 [inline] do_wp_page+0xd29/0x1390 mm/memory.c:2784 handle_pte_fault mm/memory.c:3999 [inline] __handle_mm_fault+0x2c60/0x53e0 mm/memory.c:4107 handle_mm_fault+0x54f/0xc70 mm/memory.c:4144 __do_page_fault+0x67d/0xed0 arch/x86/mm/fault.c:1395 do_page_fault+0xf2/0x7e0 arch/x86/mm/fault.c:1470 page_fault+0x1e/0x30 arch/x86/entry/entry_64.S:1161 RIP: 0033:0x4016a7 Code: 20 48 80 98 80 44 00 90 42 58 0a 83 04 01 a5 85 20 01 00 90 81 99 61 00 72 ac a8 55 10 03 02 00 0b 27 10 06 00 00 08 04 2a 00 <02> 00 81 02 82 80 ca 04 24 00 54 00 07 02 24 01 00 10 02 02 42 29 RSP: 002b:00007ffd70100e50 EFLAGS: 00010283 RAX: 0000001b32d246a8 RBX: 0000000000000007 RCX: 0000001b33d20000 RDX: 0000001b32d246ac RSI: 0000000000000001 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 R10: 00007ffd70100f90 R11: 0000000000000246 R12: 000000000072bfac R13: 00000000000003e8 R14: 000000000072bf00 R15: 000000000003939d INFO: lockdep is turned off. NMI backtrace for cpu 1 CPU: 1 PID: 983 Comm: khungtaskd Not tainted 4.19.0-rc5+ #125 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1c4/0x2b4 lib/dump_stack.c:113 nmi_cpu_backtrace.cold.3+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1b3/0x1ed lib/nmi_backtrace.c:62 arch_trigger_cpumask_backtrace+0x14/0x20 arch/x86/kernel/apic/hw_nmi.c:38 trigger_all_cpu_backtrace include/linux/nmi.h:144 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:204 [inline] watchdog+0xb3e/0x1050 kernel/hung_task.c:265 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Sending NMI from CPU 1 to CPUs 0: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.067 msecs NMI backtrace for cpu 0 CPU: 0 PID: 18800 Comm: syz-executor3 Not tainted 4.19.0-rc5+ #125 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:ext4_ext_drop_refs+0x6/0xf0 fs/ext4/extents.c:712 Code: e8 4f ad ff ff 48 83 c4 08 5b 5d c3 48 89 4d f0 e8 3f 12 b1 ff 48 8b 4d f0 eb cb 66 0f 1f 84 00 00 00 00 00 55 48 89 e5 41 57 <41> 56 41 55 41 54 53 48 89 fb e8 8b b2 6d ff 48 85 db 0f 84 9a 00 RSP: 0018:ffff8801980b7138 EFLAGS: 00000246 RAX: 0000000000040000 RBX: 0000000000000000 RCX: ffffc900080c7000 RDX: 0000000000040000 RSI: ffffffff82110b94 RDI: ffff8801c3025400 RBP: ffff8801980b7140 R08: ffff8801a052c380 R09: 00000000207ee66e R10: 00000000c13cd0d5 R11: 0000000000000000 R12: 0000000000000000 R13: 000000008841fe36 R14: ffff88018fbed0c0 R15: ffff8801c3025400 FS: 00007f69ea699700(0000) GS:ffff8801dae00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 00000001d7dce000 CR4: 00000000001406f0 Call Trace: ext4_find_extent+0xdc/0x9b0 fs/ext4/extents.c:880 get_ext_path fs/ext4/move_extent.c:31 [inline] mext_check_coverage.constprop.13+0x2b0/0x510 fs/ext4/move_extent.c:98 move_extent_per_page fs/ext4/move_extent.c:323 [inline] ext4_move_extents+0x2784/0x3c20 fs/ext4/move_extent.c:669 ext4_ioctl+0x3154/0x4210 fs/ext4/ioctl.c:799 vfs_ioctl fs/ioctl.c:46 [inline] file_ioctl fs/ioctl.c:501 [inline] do_vfs_ioctl+0x1de/0x1720 fs/ioctl.c:685 ksys_ioctl+0xa9/0xd0 fs/ioctl.c:702 __do_sys_ioctl fs/ioctl.c:709 [inline] __se_sys_ioctl fs/ioctl.c:707 [inline] __x64_sys_ioctl+0x73/0xb0 fs/ioctl.c:707 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457579 Code: 1d b4 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 eb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 RSP: 002b:00007f69ea698c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457579 RDX: 0000000020001300 RSI: 00000000c028660f RDI: 0000000000000004 RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f69ea6996d4 R13: 00000000004bf5dd R14: 00000000004cf460 R15: 00000000ffffffff