block nbd4: Device being setup by another task block nbd2: Device being setup by another task block nbd3: Device being setup by another task block nbd1: Device being setup by another task block nbd3: Device being setup by another task INFO: task systemd-udevd:9066 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D27992 9066 4314 0x80000126 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 io_schedule+0x1c/0x70 kernel/sched/core.c:5036 wait_on_page_bit_common mm/filemap.c:1025 [inline] __lock_page+0x1c7/0x370 mm/filemap.c:1197 lock_page include/linux/pagemap.h:479 [inline] truncate_inode_pages_range+0x6de/0x12a0 mm/truncate.c:399 truncate_inode_pages+0x10/0x20 mm/truncate.c:429 kill_bdev+0xa9/0xd0 fs/block_dev.c:98 __blkdev_put+0x1f1/0x7c0 fs/block_dev.c:1797 blkdev_put+0x73/0x480 fs/block_dev.c:1868 blkdev_close+0x88/0xd0 fs/block_dev.c:1875 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x98b/0x2c90 kernel/exit.c:868 do_group_exit+0xf8/0x2c0 kernel/exit.c:965 get_signal+0x2f6/0x1ab0 kernel/signal.c:2423 do_signal+0x7f/0x18b0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x11e/0x190 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8077040210 RSP: 002b:00007fff54db6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffffc RBX: 000055ab627b2b50 RCX: 00007f8077040210 RDX: 0000000000000400 RSI: 000055ab627b2b78 RDI: 000000000000000f RBP: 000055ab627ac6e0 R08: 00007f807702af68 R09: 0000000000000430 R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055ab627ac730 R15: 0000000000000400 INFO: task systemd-udevd:9212 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D28136 9212 4314 0x80000126 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 io_schedule+0x1c/0x70 kernel/sched/core.c:5036 wait_on_page_bit_common mm/filemap.c:1025 [inline] __lock_page+0x1c7/0x370 mm/filemap.c:1197 lock_page include/linux/pagemap.h:479 [inline] truncate_inode_pages_range+0x6de/0x12a0 mm/truncate.c:399 truncate_inode_pages+0x10/0x20 mm/truncate.c:429 kill_bdev+0xa9/0xd0 fs/block_dev.c:98 __blkdev_put+0x1f1/0x7c0 fs/block_dev.c:1797 blkdev_put+0x73/0x480 fs/block_dev.c:1868 blkdev_close+0x88/0xd0 fs/block_dev.c:1875 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x98b/0x2c90 kernel/exit.c:868 do_group_exit+0xf8/0x2c0 kernel/exit.c:965 get_signal+0x2f6/0x1ab0 kernel/signal.c:2423 do_signal+0x7f/0x18b0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x11e/0x190 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8077040210 RSP: 002b:00007fff54db6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffffc RBX: 000055ab627b24a0 RCX: 00007f8077040210 RDX: 0000000000000400 RSI: 000055ab627b24c8 RDI: 000000000000000f RBP: 000055ab627a0820 R08: 00007f807702af48 R09: 0000000000000430 R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055ab627a0870 R15: 0000000000000400 INFO: task systemd-udevd:9260 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D28136 9260 4314 0x80000126 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 io_schedule+0x1c/0x70 kernel/sched/core.c:5036 wait_on_page_bit_common mm/filemap.c:1025 [inline] __lock_page+0x1c7/0x370 mm/filemap.c:1197 lock_page include/linux/pagemap.h:479 [inline] truncate_inode_pages_range+0x6de/0x12a0 mm/truncate.c:399 truncate_inode_pages+0x10/0x20 mm/truncate.c:429 kill_bdev+0xa9/0xd0 fs/block_dev.c:98 __blkdev_put+0x1f1/0x7c0 fs/block_dev.c:1797 blkdev_put+0x73/0x480 fs/block_dev.c:1868 blkdev_close+0x88/0xd0 fs/block_dev.c:1875 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x98b/0x2c90 kernel/exit.c:868 do_group_exit+0xf8/0x2c0 kernel/exit.c:965 get_signal+0x2f6/0x1ab0 kernel/signal.c:2423 do_signal+0x7f/0x18b0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x11e/0x190 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8077040210 RSP: 002b:00007fff54db6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffffc RBX: 000055ab627b24a0 RCX: 00007f8077040210 RDX: 0000000000000400 RSI: 000055ab627b24c8 RDI: 000000000000000f RBP: 000055ab627b3c60 R08: 00007f807702af48 R09: 0000000000000430 R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055ab627b3cb0 R15: 0000000000000400 INFO: task systemd-udevd:9278 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D28136 9278 4314 0x80000126 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 io_schedule+0x1c/0x70 kernel/sched/core.c:5036 wait_on_page_bit_common mm/filemap.c:1025 [inline] __lock_page+0x1c7/0x370 mm/filemap.c:1197 lock_page include/linux/pagemap.h:479 [inline] truncate_inode_pages_range+0x6de/0x12a0 mm/truncate.c:399 truncate_inode_pages+0x10/0x20 mm/truncate.c:429 kill_bdev+0xa9/0xd0 fs/block_dev.c:98 __blkdev_put+0x1f1/0x7c0 fs/block_dev.c:1797 blkdev_put+0x73/0x480 fs/block_dev.c:1868 blkdev_close+0x88/0xd0 fs/block_dev.c:1875 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x98b/0x2c90 kernel/exit.c:868 do_group_exit+0xf8/0x2c0 kernel/exit.c:965 get_signal+0x2f6/0x1ab0 kernel/signal.c:2423 do_signal+0x7f/0x18b0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x11e/0x190 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8077040210 RSP: 002b:00007fff54db6598 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffffc RBX: 000055ab627b2b50 RCX: 00007f8077040210 RDX: 0000000000000400 RSI: 000055ab627b2b78 RDI: 000000000000000f RBP: 000055ab627ac5f0 R08: 00007f807702af68 R09: 0000000000000430 R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055ab627ac640 R15: 0000000000000400 INFO: task systemd-udevd:9287 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D28120 9287 4314 0x00000124 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3486 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x519/0x1490 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 __blkdev_get+0x185/0xff0 fs/block_dev.c:1455 blkdev_get+0x265/0x890 fs/block_dev.c:1611 blkdev_open+0x19f/0x200 fs/block_dev.c:1772 do_dentry_open+0x3e4/0xde0 fs/open.c:777 vfs_open+0xfc/0x240 fs/open.c:888 do_last fs/namei.c:3428 [inline] path_openat+0xb73/0x27a0 fs/namei.c:3569 do_filp_open+0x16b/0x220 fs/namei.c:3603 do_sys_open+0x1c2/0x340 fs/open.c:1081 SYSC_open fs/open.c:1099 [inline] SyS_open+0x19/0x20 fs/open.c:1094 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8077040840 RSP: 002b:00007fff54dbaf58 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 000055ab627ad160 RCX: 00007f8077040840 RDX: 000055ab61465fe3 RSI: 00000000000a0800 RDI: 000055ab627ba960 RBP: 00007fff54dbb0d0 R08: 000055ab61465670 R09: 0000000000000010 R10: 000055ab61465d0c R11: 0000000000000246 R12: 00007fff54dbb020 R13: 000055ab627b9a10 R14: 0000000000000003 R15: 000000000000000e INFO: task systemd-udevd:9319 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. systemd-udevd D28136 9319 4314 0x80000126 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 io_schedule+0x1c/0x70 kernel/sched/core.c:5036 wait_on_page_bit_common mm/filemap.c:1025 [inline] __lock_page+0x1c7/0x370 mm/filemap.c:1197 lock_page include/linux/pagemap.h:479 [inline] truncate_inode_pages_range+0x6de/0x12a0 mm/truncate.c:399 truncate_inode_pages+0x10/0x20 mm/truncate.c:429 kill_bdev+0xa9/0xd0 fs/block_dev.c:98 __blkdev_put+0x1f1/0x7c0 fs/block_dev.c:1797 blkdev_put+0x73/0x480 fs/block_dev.c:1868 blkdev_close+0x88/0xd0 fs/block_dev.c:1875 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 exit_task_work include/linux/task_work.h:22 [inline] do_exit+0x98b/0x2c90 kernel/exit.c:868 do_group_exit+0xf8/0x2c0 kernel/exit.c:965 get_signal+0x2f6/0x1ab0 kernel/signal.c:2423 do_signal+0x7f/0x18b0 arch/x86/kernel/signal.c:814 exit_to_usermode_loop+0x11e/0x190 arch/x86/entry/common.c:160 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f8077040210 RSP: 002b:00007fff54db5fa8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000 RAX: fffffffffffffffc RBX: 000055ab627b2b50 RCX: 00007f8077040210 RDX: 0000000000000400 RSI: 000055ab627b2b78 RDI: 000000000000000f RBP: 000055ab627b3690 R08: 00007f807702af68 R09: 0000000000000430 R10: 000000000000006d R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000400 R14: 000055ab627b36e0 R15: 0000000000000400 INFO: task syz-executor.0:21747 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28344 21747 7679 0x00000004 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 io_schedule+0x1c/0x70 kernel/sched/core.c:5036 wait_on_page_bit_common mm/filemap.c:1025 [inline] __lock_page+0x1c7/0x370 mm/filemap.c:1197 lock_page include/linux/pagemap.h:479 [inline] truncate_inode_pages_range+0x6de/0x12a0 mm/truncate.c:399 truncate_inode_pages+0x10/0x20 mm/truncate.c:429 kill_bdev+0xa9/0xd0 fs/block_dev.c:98 __blkdev_put+0x1f1/0x7c0 fs/block_dev.c:1797 blkdev_put+0x73/0x480 fs/block_dev.c:1868 blkdev_close+0x88/0xd0 fs/block_dev.c:1875 __fput+0x232/0x740 fs/file_table.c:210 ____fput+0x9/0x10 fs/file_table.c:244 task_work_run+0xe5/0x170 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x14a/0x190 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x416/0x5b0 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x417811 RSP: 002b:00007ffe65c0a180 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000007 RCX: 0000000000417811 RDX: 0000000000000000 RSI: 0000000000000081 RDI: 0000000000000006 RBP: 0000000000000000 R08: 0000000001190440 R09: 0000000000000000 R10: 00007ffe65c0a250 R11: 0000000000000293 R12: ffffffffffffffff R13: 0000000000000001 R14: 0000000000000003 R15: 000000000118bfd4 INFO: task syz-executor.0:21756 blocked for more than 140 seconds. Not tainted 4.14.212-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.0 D28904 21756 7679 0x00000004 Call Trace: context_switch kernel/sched/core.c:2808 [inline] __schedule+0x824/0x1ee0 kernel/sched/core.c:3384 schedule+0x7f/0x1b0 kernel/sched/core.c:3428 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3486 __mutex_lock_common kernel/locking/mutex.c:833 [inline] __mutex_lock+0x519/0x1490 kernel/locking/mutex.c:893 mutex_lock_nested+0x16/0x20 kernel/locking/mutex.c:908 __blkdev_get+0x185/0xff0 fs/block_dev.c:1455 blkdev_get+0x265/0x890 fs/block_dev.c:1611 blkdev_open+0x19f/0x200 fs/block_dev.c:1772 do_dentry_open+0x3e4/0xde0 fs/open.c:777 vfs_open+0xfc/0x240 fs/open.c:888 do_last fs/namei.c:3428 [inline] path_openat+0xb73/0x27a0 fs/namei.c:3569 do_filp_open+0x16b/0x220 fs/namei.c:3603 do_sys_open+0x1c2/0x340 fs/open.c:1081 SYSC_open fs/open.c:1099 [inline] SyS_open+0x19/0x20 fs/open.c:1094 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x4179b1 RSP: 002b:00007f39af5b8820 EFLAGS: 00000293 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 00000000004179b1 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00007f39af5b8850 RBP: 000000000118bf60 R08: 000000000000000f R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 000000000118bf2c R13: 00007ffe65c0a10f R14: 00007f39af5b99c0 R15: 000000000118bf2c Showing all locks held in the system: 1 lock held by khungtaskd/1530: #0: (tasklist_lock){.+.+}, at: [] debug_show_all_locks+0x79/0x218 kernel/locking/lockdep.c:4548 1 lock held by in:imklog/7121: #0: (&f->f_pos_lock){+.+.}, at: [] __fdget_pos+0x8e/0xc0 fs/file.c:769 1 lock held by systemd-udevd/9066: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 fs/block_dev.c:1790 1 lock held by systemd-udevd/9212: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 fs/block_dev.c:1790 1 lock held by systemd-udevd/9260: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 fs/block_dev.c:1790 1 lock held by systemd-udevd/9278: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 fs/block_dev.c:1790 1 lock held by systemd-udevd/9287: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x185/0xff0 fs/block_dev.c:1455 1 lock held by systemd-udevd/9319: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 fs/block_dev.c:1790 1 lock held by syz-executor.0/21747: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_put+0xf0/0x7c0 fs/block_dev.c:1790 1 lock held by syz-executor.0/21756: #0: (&bdev->bd_mutex){+.+.}, at: [] __blkdev_get+0x185/0xff0 fs/block_dev.c:1455 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1530 Comm: khungtaskd Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x14b/0x1f1 lib/dump_stack.c:58 nmi_cpu_backtrace.cold.0+0x3c/0x78 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0xf6/0x11a 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:140 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline] watchdog+0x51b/0xa70 kernel/hung_task.c:274 kthread+0x338/0x400 kernel/kthread.c:232 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:404 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 4302 Comm: systemd-journal Not tainted 4.14.212-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 task: ffff8881df578480 task.stack: ffff8881df580000 RIP: 0010:check_memory_region+0x1a/0x1b0 mm/kasan/kasan.c:266 RSP: 0018:ffff8881df587d70 EFLAGS: 00000212 RAX: ffff7fffffffffff RBX: ffff8881df578480 RCX: ffffffff8337ef37 RDX: 0000000000000001 RSI: 0000000000000fe4 RDI: ffff8881c35b895c RBP: ffff8881df587d80 R08: 000000000000000b R09: ffff8881df587b28 R10: 00000000400aecce R11: 0000000059d0e74e R12: 0000557543e280e0 R13: 0000557543e280e0 R14: 0000000000000fe4 R15: ffff8881c35b895c FS: 00007f4329aa68c0(0000) GS:ffff8881f6400000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000055ab654161e8 CR3: 00000001df978003 CR4: 00000000001606f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: strncpy_from_user+0x77/0x300 lib/strncpy_from_user.c:116 getname_flags+0xf6/0x510 fs/namei.c:149 getname+0xd/0x10 fs/namei.c:209 do_sys_open+0x13f/0x340 fs/open.c:1075 SYSC_open fs/open.c:1099 [inline] SyS_open+0x19/0x20 fs/open.c:1094 do_syscall_64+0x1c7/0x5b0 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x46/0xbb RIP: 0033:0x7f4329036840 RSP: 002b:00007ffd208c3ea8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007ffd208c41b0 RCX: 00007f4329036840 RDX: 00000000000001a0 RSI: 0000000000080042 RDI: 0000557543e280e0 RBP: 000000000000000d R08: 0000000000000000 R09: 00000000ffffffff R10: 0000000000000069 R11: 0000000000000246 R12: 00000000ffffffff R13: 0000557543e1a040 R14: 00007ffd208c4170 R15: 0000557543e27f00 Code: 0f 9e c6 eb c5 66 90 66 2e 0f 1f 84 00 00 00 00 00 48 85 f6 0f 84 3a 01 00 00 48 b8 ff ff ff ff ff 7f ff ff 55 0f b6 d2 48 39 c7 <48> 89 e5 41 55 41 54 53 0f 86 0f 01 00 00 4c 8d 5c 37 ff 48 89