INFO: task jbd2/sda1-8:3079 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #27 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. jbd2/sda1-8 D17624 3079 2 0x80000000 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_commit_transaction+0xd42/0x89f8 fs/jbd2/commit.c:435 kjournald2+0x26d/0xb30 fs/jbd2/journal.c:229 kthread+0x35a/0x420 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 INFO: task syz-executor4:16677 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #27 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D24752 16677 5479 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 __rwsem_down_write_failed_common+0xbb9/0x1670 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:595 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0xa5/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:738 [inline] do_truncate+0x1b0/0x2d0 fs/open.c:61 handle_truncate fs/namei.c:3008 [inline] do_last fs/namei.c:3424 [inline] path_openat+0x3762/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 __do_sys_openat fs/open.c:1090 [inline] __se_sys_openat fs/open.c:1084 [inline] __x64_sys_openat+0x9d/0x100 fs/open.c:1084 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: Bad RIP value. RSP: 002b:00007fafe886bc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fafe886c6d4 RCX: 0000000000457679 RDX: 000000000000275a RSI: 0000000020000080 RDI: ffffffffffffff9c RBP: 000000000072bfa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d3fc0 R14: 00000000004c2b9e R15: 0000000000000001 INFO: task syz-executor4:16678 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #27 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D25288 16678 5479 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 __rwsem_down_write_failed_common+0xbb9/0x1670 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:595 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0xa5/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:738 [inline] ext4_file_write_iter+0x30b/0x1420 fs/ext4/file.c:235 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: 0033:0x457679 Code: Bad RIP value. RSP: 002b:00007fafe884ac78 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 RAX: ffffffffffffffda RBX: 00007fafe884b6d4 RCX: 0000000000457679 RDX: 000000000000000b RSI: 0000000020000280 RDI: 0000000000000003 RBP: 000000000072c040 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004d8be0 R14: 00000000004c552f R15: 0000000000000002 INFO: task syz-executor4:16679 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #27 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D24776 16679 5479 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 __rwsem_down_write_failed_common+0xbb9/0x1670 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:595 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0xa5/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:738 [inline] do_truncate+0x1b0/0x2d0 fs/open.c:61 handle_truncate fs/namei.c:3008 [inline] do_last fs/namei.c:3424 [inline] path_openat+0x3762/0x5160 fs/namei.c:3534 do_filp_open+0x255/0x380 fs/namei.c:3564 do_sys_open+0x568/0x700 fs/open.c:1063 ksys_open include/linux/syscalls.h:1276 [inline] __do_sys_creat fs/open.c:1121 [inline] __se_sys_creat fs/open.c:1119 [inline] __x64_sys_creat+0x61/0x80 fs/open.c:1119 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: Bad RIP value. RSP: 002b:00007fafe8829c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fafe882a6d4 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000240 RBP: 000000000072c0e0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cc688 R14: 00000000004bdcdc R15: 0000000000000003 INFO: task syz-executor4:16680 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #27 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D23624 16680 5479 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 __rwsem_down_write_failed_common+0xbb9/0x1670 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:595 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0xa5/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:738 [inline] ext4_fallocate+0x921/0x2300 fs/ext4/extents.c:4957 vfs_fallocate+0x4b4/0x940 fs/open.c:308 ksys_fallocate+0x56/0x90 fs/open.c:331 __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __x64_sys_fallocate+0x97/0xf0 fs/open.c:337 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: Bad RIP value. RSP: 002b:00007fafe8808c78 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fafe88096d4 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004 RBP: 000000000072c180 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cc868 R14: 00000000004bddb5 R15: 0000000000000004 INFO: task syz-executor4:16681 blocked for more than 140 seconds. Not tainted 4.19.0-rc4+ #27 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor4 D25656 16681 5479 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 __rwsem_down_write_failed_common+0xbb9/0x1670 kernel/locking/rwsem-xadd.c:566 rwsem_down_write_failed+0xe/0x10 kernel/locking/rwsem-xadd.c:595 call_rwsem_down_write_failed+0x17/0x30 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0xa5/0x130 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:738 [inline] ext4_fallocate+0x921/0x2300 fs/ext4/extents.c:4957 vfs_fallocate+0x4b4/0x940 fs/open.c:308 ksys_fallocate+0x56/0x90 fs/open.c:331 __do_sys_fallocate fs/open.c:339 [inline] __se_sys_fallocate fs/open.c:337 [inline] __x64_sys_fallocate+0x97/0xf0 fs/open.c:337 do_syscall_64+0x1b9/0x820 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x457679 Code: Bad RIP value. RSP: 002b:00007fafe87e7c78 EFLAGS: 00000246 ORIG_RAX: 000000000000011d RAX: ffffffffffffffda RBX: 00007fafe87e86d4 RCX: 0000000000457679 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000003 RBP: 000000000072c220 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000010001 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cc868 R14: 00000000004bddb5 R15: 0000000000000005 Showing all locks held in the system: 4 locks held by kworker/u4:4/760: #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: __write_once_size include/linux/compiler.h:215 [inline] #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: atomic64_set include/asm-generic/atomic-instrumented.h:40 [inline] #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: atomic_long_set include/asm-generic/atomic-long.h:59 [inline] #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: set_work_data kernel/workqueue.c:617 [inline] #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: set_work_pool_and_clear_pending kernel/workqueue.c:644 [inline] #0: 00000000df1371a0 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0xb43/0x1b90 kernel/workqueue.c:2124 #1: 000000009a4e83f0 ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0xb9a/0x1b90 kernel/workqueue.c:2128 #2: 000000001ed68721 (&type->s_umount_key#45){++++}, at: trylock_super+0x22/0x110 fs/super.c:412 #3: 00000000db2e8473 (&sbi->s_journal_flag_rwsem){.+.+}, at: do_writepages+0x9a/0x1a0 mm/page-writeback.c:2340 1 lock held by khungtaskd/985: #0: 00000000173d502c (rcu_read_lock){....}, at: debug_show_all_locks+0xd0/0x424 kernel/locking/lockdep.c:4435 3 locks held by rs:main Q:Reg/5303: #0: 0000000074c7e937 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 #1: 00000000719e3840 (sb_writers#6){.+.+}, at: file_start_write include/linux/fs.h:2759 [inline] #1: 00000000719e3840 (sb_writers#6){.+.+}, at: vfs_write+0x42a/0x560 fs/read_write.c:548 #2: 00000000b09bbb14 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_trylock include/linux/fs.h:758 [inline] #2: 00000000b09bbb14 (&sb->s_type->i_mutex_key#11){+.+.}, at: ext4_file_write_iter+0x2a1/0x1420 fs/ext4/file.c:232 1 lock held by rsyslogd/5305: #0: 000000001f0f7a6f (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 2 locks held by getty/5428: #0: 0000000029f7743d (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000034bc1085 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5429: #0: 0000000071784d4e (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000039c125bf (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5430: #0: 000000002afc5903 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000000a05b83 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5431: #0: 00000000b169b6a5 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 000000008916c918 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5432: #0: 0000000077b06193 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000016b5b67 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5433: #0: 000000006a7a5015 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 0000000095ba4bc2 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 2 locks held by getty/5434: #0: 00000000bf05a629 (&tty->ldisc_sem){++++}, at: ldsem_down_read+0x32/0x40 drivers/tty/tty_ldsem.c:353 #1: 00000000a653c0f4 (&ldata->atomic_read_lock){+.+.}, at: n_tty_read+0x335/0x1ce0 drivers/tty/n_tty.c:2140 1 lock held by syz-executor4/12853: #0: 00000000b7539182 (sb_internal){.+.+}, at: sb_start_intwrite include/linux/fs.h:1613 [inline] #0: 00000000b7539182 (sb_internal){.+.+}, at: ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 1 lock held by syz-executor4/12969: #0: 00000000b7539182 (sb_internal){.+.+}, at: sb_start_intwrite include/linux/fs.h:1613 [inline] #0: 00000000b7539182 (sb_internal){.+.+}, at: ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 1 lock held by syz-executor4/13029: #0: 00000000b7539182 (sb_internal){.+.+}, at: sb_start_intwrite include/linux/fs.h:1613 [inline] #0: 00000000b7539182 (sb_internal){.+.+}, at: ext4_evict_inode+0x5e5/0x1ad0 fs/ext4/inode.c:250 6 locks held by syz-executor4/16632: 2 locks held by syz-executor4/16677: #0: 00000000719e3840 (sb_writers#6){.+.+}, at: sb_start_write include/linux/fs.h:1566 [inline] #0: 00000000719e3840 (sb_writers#6){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 #1: 00000000e901c0b2 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] #1: 00000000e901c0b2 (&sb->s_type->i_mutex_key#11){+.+.}, at: do_truncate+0x1b0/0x2d0 fs/open.c:61 3 locks held by syz-executor4/16678: #0: 000000008f57860c (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x1bb/0x200 fs/file.c:766 #1: 00000000719e3840 (sb_writers#6){.+.+}, at: file_start_write include/linux/fs.h:2759 [inline] #1: 00000000719e3840 (sb_writers#6){.+.+}, at: vfs_write+0x42a/0x560 fs/read_write.c:548 #2: 00000000e901c0b2 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] #2: 00000000e901c0b2 (&sb->s_type->i_mutex_key#11){+.+.}, at: ext4_file_write_iter+0x30b/0x1420 fs/ext4/file.c:235 2 locks held by syz-executor4/16679: #0: 00000000719e3840 (sb_writers#6){.+.+}, at: sb_start_write include/linux/fs.h:1566 [inline] #0: 00000000719e3840 (sb_writers#6){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:360 #1: 000000005a0bf870 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] #1: 000000005a0bf870 (&sb->s_type->i_mutex_key#11){+.+.}, at: do_truncate+0x1b0/0x2d0 fs/open.c:61 2 locks held by syz-executor4/16680: #0: 00000000719e3840 (sb_writers#6){.+.+}, at: file_start_write include/linux/fs.h:2759 [inline] #0: 00000000719e3840 (sb_writers#6){.+.+}, at: vfs_fallocate+0x72a/0x940 fs/open.c:307 #1: 000000005a0bf870 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] #1: 000000005a0bf870 (&sb->s_type->i_mutex_key#11){+.+.}, at: ext4_fallocate+0x921/0x2300 fs/ext4/extents.c:4957 2 locks held by syz-executor4/16681: #0: 00000000719e3840 (sb_writers#6){.+.+}, at: file_start_write include/linux/fs.h:2759 [inline] #0: 00000000719e3840 (sb_writers#6){.+.+}, at: vfs_fallocate+0x72a/0x940 fs/open.c:307 #1: 00000000e901c0b2 (&sb->s_type->i_mutex_key#11){+.+.}, at: inode_lock include/linux/fs.h:738 [inline] #1: 00000000e901c0b2 (&sb->s_type->i_mutex_key#11){+.+.}, at: ext4_fallocate+0x921/0x2300 fs/ext4/extents.c:4957 ============================================= NMI backtrace for cpu 0 CPU: 0 PID: 985 Comm: khungtaskd Not tainted 4.19.0-rc4+ #27 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 0 to CPUs 1: INFO: NMI handler (nmi_cpu_backtrace_handler) took too long to run: 1.204 msecs NMI backtrace for cpu 1 CPU: 1 PID: 16632 Comm: syz-executor4 Not tainted 4.19.0-rc4+ #27 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 RIP: 0010:sched_info_depart kernel/sched/stats.h:125 [inline] RIP: 0010:__sched_info_switch kernel/sched/stats.h:147 [inline] RIP: 0010:sched_info_switch kernel/sched/stats.h:157 [inline] RIP: 0010:prepare_task_switch kernel/sched/core.c:2608 [inline] RIP: 0010:context_switch kernel/sched/core.c:2790 [inline] RIP: 0010:__schedule+0x5ea/0x1ed0 kernel/sched/core.c:3473 Code: 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 11 00 0f 85 22 16 00 00 49 8d be 80 0c 00 00 4d 8b af c0 03 00 00 <48> ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 80 3c 11 00 0f RSP: 0018:ffff88019376eef8 EFLAGS: 00000046 RAX: 0000007dccd4713f RBX: ffff8801cbe34340 RCX: 1ffff10032e51d30 RDX: dffffc0000000000 RSI: 0000000000000000 RDI: ffff8801daf2d7c0 RBP: ffff88019376f0d0 R08: 0000000000000002 R09: 1ffffffff12b43d5 R10: ffffed003b5e4732 R11: ffff8801daf23993 R12: ffff8801daf2d568 R13: 0000007dbe87356b R14: ffff8801daf2cb40 R15: ffff88019728e5c0 FS: 00007fafe888d700(0000) GS:ffff8801daf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffff600400 CR3: 000000018d3a1000 CR4: 00000000001406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: preempt_schedule_irq+0x87/0x110 kernel/sched/core.c:3700 retint_kernel+0x1b/0x2d RIP: 0010:mext_check_coverage.constprop.13+0x25a/0x510 fs/ext4/move_extent.c:102 Code: 14 02 48 89 f8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 f8 01 00 00 45 0f b7 64 24 04 bf 00 80 ff ff 44 89 e6 e8 56 4e 60 ff <66> 41 81 fc 00 80 0f 86 38 01 00 00 e8 55 4d 60 ff 47 8d ac 25 00 RSP: 0018:ffff88019376f1c0 EFLAGS: 00000297 ORIG_RAX: ffffffffffffff13 RAX: 0000000000000002 RBX: ffff8801b81ff500 RCX: ffffffff821e871a RDX: 0000000000008010 RSI: 0000000000008000 RDI: 0000000000000003 RBP: ffff88019376f270 R08: ffff88019728e5c0 R09: 1ffffffff12b43d5 R10: ffffed003b5c4732 R11: ffff8801dae23993 R12: 0000000000008010 R13: 000000009c31213e R14: ffff8801ba972630 R15: ffff88019376f3e0 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: 0033:0x457679 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:00007fafe888cc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fafe888d6d4 RCX: 0000000000457679 RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff R13: 00000000004cf3d0 R14: 00000000004bf70f R15: 0000000000000000