INFO: task syz-executor.2:13799 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.2 D25312 13799 1 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
__blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413740
RSP: 002b:00007ffec7ea5958 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000007f7c8 RCX: 0000000000413740
RDX: 00007ffec7ea59ea RSI: 0000000000000002 RDI: 00007ffec7ea59e0
RBP: 0000000000000360 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000
R13: 00007ffec7ea5990 R14: 000000000007f74b R15: 00007ffec7ea59a0
INFO: task syz-executor.3:22990 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.3 D25312 22990 1 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
__blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413740
RSP: 002b:00007fff34521678 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000000000007f7ea RCX: 0000000000413740
RDX: 00007fff3452170a RSI: 0000000000000002 RDI: 00007fff34521700
RBP: 0000000000000064 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000000
R13: 00007fff345216b0 R14: 000000000007f7d3 R15: 00007fff345216c0
INFO: task syz-executor.0:24053 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29104 24053 17160 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
blkdev_reread_part+0x1b/0x40 block/ioctl.c:192
loop_reread_partitions+0x7f/0x90 drivers/block/loop.c:614
loop_set_status+0xbff/0x11f0 drivers/block/loop.c:1183
loop_set_status64+0xa5/0x100 drivers/block/loop.c:1301
lo_ioctl+0xd1/0x1a30 drivers/block/loop.c:1431
__blkdev_driver_ioctl block/ioctl.c:297 [inline]
blkdev_ioctl+0x8d0/0x1870 block/ioctl.c:594
block_ioctl+0xd9/0x120 fs/block_dev.c:1881
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x4596e7
RSP: 002b:00007f6dff4539f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6dff4546d4 RCX: 00000000004596e7
RDX: 00007f6dff453ab0 RSI: 0000000000004c04 RDI: 0000000000000006
RBP: 0000000000000006 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000202 R12: 0000000000000005
R13: 0000000000000005 R14: 0000000000000006 R15: 00000000ffffffff
INFO: task syz-executor.0:24089 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.0 D29104 24089 17160 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
__blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413761
RSP: 002b:00007f6dff3f09f0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 00007f6dff3f16d4 RCX: 0000000000413761
RDX: 00007f6dff3f0baa RSI: 0000000000000002 RDI: 00007f6dff3f0ba0
RBP: 0000000000000006 R08: 0000000000000000 R09: 000000000000000a
R10: 0000000000000075 R11: 0000000000000293 R12: 0000000000000005
R13: 0000000000000005 R14: 00007f6dff3f16d4 R15: 00000000ffffffff
INFO: task syz-executor.5:24065 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D28256 24065 20121 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
loop_control_ioctl+0x183/0x310 drivers/block/loop.c:1996
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459879
RSP: 002b:00007fa4ac21ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000000004c81 RDI: 0000000000000008
RBP: 000000000075bf20 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4ac21f6d4
R13: 00000000004c2fd2 R14: 00000000004d6718 R15: 00000000ffffffff
INFO: task syz-executor.5:24102 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.5 D29792 24102 20121 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1982
vfs_ioctl fs/ioctl.c:46 [inline]
file_ioctl fs/ioctl.c:500 [inline]
do_vfs_ioctl+0xabe/0x1040 fs/ioctl.c:684
SYSC_ioctl fs/ioctl.c:701 [inline]
SyS_ioctl+0x7f/0xb0 fs/ioctl.c:692
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x459879
RSP: 002b:00007fa4ac1dcc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000459879
RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000008
RBP: 000000000075c070 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fa4ac1dd6d4
R13: 00000000004c2fa7 R14: 00000000004d66e8 R15: 00000000ffffffff
INFO: task syz-executor.4:24072 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28624 24072 23401 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
lo_open+0x19/0xb0 drivers/block/loop.c:1623
__blkdev_get+0x267/0xf90 fs/block_dev.c:1472
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413761
RSP: 002b:00007f1940e497a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000413761
RDX: 0000000000000000 RSI: 0000000000101000 RDI: 00007f1940e49850
RBP: 000000000075bfc8 R08: 000000000000000f R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000293 R12: 00007f1940e4a6d4
R13: 00000000004c8cc6 R14: 00000000004dfc58 R15: 00000000ffffffff
INFO: task syz-executor.4:24106 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor.4 D28352 24106 23401 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
__blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x413761
RSP: 002b:00007f1940de67a0 EFLAGS: 00000293 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 6666666666666667 RCX: 0000000000413761
RDX: 0000000000000000 RSI: 0000000000101000 RDI: 00007f1940de6850
RBP: 000000000075c1c0 R08: 000000000000000f R09: 0000000000000000
R10: 000000000000002b R11: 0000000000000293 R12: 00007f1940de76d4
R13: 00000000004c8cc6 R14: 00000000004dfc58 R15: 00000000ffffffff
INFO: task blkid:24069 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid D28880 24069 14917 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
lo_open+0x19/0xb0 drivers/block/loop.c:1623
__blkdev_get+0x267/0xf90 fs/block_dev.c:1472
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7fd02298b120
RSP: 002b:00007ffcc111f748 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fd02298b120
RDX: 00007ffcc1120f41 RSI: 0000000000000000 RDI: 00007ffcc1120f41
RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000002069030
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005
INFO: task blkid:24073 blocked for more than 140 seconds.
Not tainted 4.14.140+ #38
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
blkid D28992 24073 14958 0x00000004
Call Trace:
schedule+0x92/0x1c0 kernel/sched/core.c:3498
schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:3556
__mutex_lock_common kernel/locking/mutex.c:833 [inline]
__mutex_lock+0x595/0x13e0 kernel/locking/mutex.c:893
lo_open+0x19/0xb0 drivers/block/loop.c:1623
__blkdev_get+0x267/0xf90 fs/block_dev.c:1472
blkdev_get+0x97/0x8b0 fs/block_dev.c:1612
blkdev_open+0x1cc/0x250 fs/block_dev.c:1770
do_dentry_open+0x44e/0xe20 fs/open.c:789
vfs_open+0x105/0x230 fs/open.c:903
do_last fs/namei.c:3455 [inline]
path_openat+0xb6c/0x2be0 fs/namei.c:3597
do_filp_open+0x1a1/0x280 fs/namei.c:3631
do_sys_open+0x2ca/0x590 fs/open.c:1096
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f860d895120
RSP: 002b:00007fff382e30e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f860d895120
RDX: 00007fff382e3f34 RSI: 0000000000000000 RDI: 00007fff382e3f34
RBP: 0000000000000000 R08: 0000000000000078 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000002117030
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000005
Showing all locks held in the system:
1 lock held by khungtaskd/23:
#0: (tasklist_lock){.+.+}, at: [<000000002f2ef0d2>] debug_show_all_locks+0x7c/0x21a kernel/locking/lockdep.c:4541
2 locks held by getty/1763:
#0: (&tty->ldisc_sem){++++}, at: [<00000000f7af99bd>] tty_ldisc_ref_wait+0x22/0x80 drivers/tty/tty_ldisc.c:284
#1: (&ldata->atomic_read_lock){+.+.}, at: [<0000000055611831>] n_tty_read+0x1f7/0x1700 drivers/tty/n_tty.c:2156
1 lock held by syz-executor.2/13799:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
1 lock held by syz-executor.3/22990:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
2 locks held by syz-executor.0/24053:
#0: (&lo->lo_ctl_mutex/1){+.+.}, at: [<00000000ed51544a>] lo_ioctl+0x86/0x1a30 drivers/block/loop.c:1404
#1: (&bdev->bd_mutex){+.+.}, at: [<000000002c625a4a>] blkdev_reread_part+0x1b/0x40 block/ioctl.c:192
1 lock held by syz-executor.0/24089:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
2 locks held by syz-executor.5/24065:
#0: (loop_index_mutex){+.+.}, at: [<00000000f84f881f>] loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1982
#1: (&lo->lo_ctl_mutex#2){+.+.}, at: [<00000000b9a5164c>] loop_control_ioctl+0x183/0x310 drivers/block/loop.c:1996
1 lock held by syz-executor.5/24102:
#0: (loop_index_mutex){+.+.}, at: [<00000000f84f881f>] loop_control_ioctl+0x71/0x310 drivers/block/loop.c:1982
2 locks held by syz-executor.4/24072:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
#1: (loop_index_mutex){+.+.}, at: [<00000000ea4e81d0>] lo_open+0x19/0xb0 drivers/block/loop.c:1623
1 lock held by syz-executor.4/24106:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
2 locks held by blkid/24069:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
#1: (loop_index_mutex){+.+.}, at: [<00000000ea4e81d0>] lo_open+0x19/0xb0 drivers/block/loop.c:1623
2 locks held by blkid/24073:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
#1: (loop_index_mutex){+.+.}, at: [<00000000ea4e81d0>] lo_open+0x19/0xb0 drivers/block/loop.c:1623
2 locks held by blkid/24077:
#0: (&bdev->bd_mutex){+.+.}, at: [<0000000001a0b071>] __blkdev_get+0xf3/0xf90 fs/block_dev.c:1457
#1: (loop_index_mutex){+.+.}, at: [<00000000ea4e81d0>] lo_open+0x19/0xb0 drivers/block/loop.c:1623
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 23 Comm: khungtaskd Not tainted 4.14.140+ #38
Call Trace:
__dump_stack lib/dump_stack.c:17 [inline]
dump_stack+0xca/0x134 lib/dump_stack.c:53
nmi_cpu_backtrace.cold+0x47/0x86 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x119/0x147 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:140 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:195 [inline]
watchdog+0x629/0xbe0 kernel/hung_task.c:274
kthread+0x31f/0x430 kernel/kthread.c:232
ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:404
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 1633 Comm: rs:main Q:Reg Not tainted 4.14.140+ #38
task: 000000007db9ddcd task.stack: 0000000027d3dbcf
RIP: 0010:lookup_chain_cache kernel/locking/lockdep.c:2358 [inline]
RIP: 0010:lookup_chain_cache_add kernel/locking/lockdep.c:2377 [inline]
RIP: 0010:validate_chain kernel/locking/lockdep.c:2431 [inline]
RIP: 0010:__lock_acquire+0xc04/0x4320 kernel/locking/lockdep.c:3487
RSP: 0018:ffff8881d4a6f3a0 EFLAGS: 00000046
RAX: 1ffffffff1e25ed7 RBX: ffffffff8f12f6a0 RCX: 1ffff1103a93e114
RDX: 1ffffffff1edff76 RSI: ffff8881d49f0830 RDI: ffffffff8f12f6b8
RBP: ffff8881d4a6f570 R08: 000000000000324a R09: 0000000000000002
R10: ffff8881d49f0880 R11: 50854406e9254bc4 R12: dffffc0000000000
R13: 50854406e9254bc4 R14: ffff8881d49f0000 R15: 0000000000000000
FS: 00007f58647e5700(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000c430551010 CR3: 00000001d3230006 CR4: 00000000001606a0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
lock_acquire+0x12b/0x360 kernel/locking/lockdep.c:3991
__raw_spin_lock_irq include/linux/spinlock_api_smp.h:128 [inline]
_raw_spin_lock_irq+0x36/0x40 kernel/locking/spinlock.c:168
spin_lock_irq include/linux/spinlock.h:342 [inline]
blk_insert_flush+0x4a1/0x9c0 block/blk-flush.c:483
blk_mq_sched_insert_flush block/blk-mq-sched.c:352 [inline]
blk_mq_sched_insert_request+0x48b/0x590 block/blk-mq-sched.c:367
blk_mq_make_request+0x501/0x19c0 block/blk-mq.c:1750
generic_make_request block/blk-core.c:2227 [inline]
generic_make_request+0x212/0x880 block/blk-core.c:2171
submit_bio+0xa7/0x390 block/blk-core.c:2301
submit_bio_wait+0xff/0x170 block/bio.c:1012
blkdev_issue_flush+0x218/0x320 block/blk-flush.c:531
ext4_sync_file+0xb2f/0x1250 fs/ext4/fsync.c:157
vfs_fsync_range+0x106/0x260 fs/sync.c:196
generic_write_sync include/linux/fs.h:2699 [inline]
ext4_file_write_iter+0x883/0xdb0 fs/ext4/file.c:279
call_write_iter include/linux/fs.h:1788 [inline]
new_sync_write fs/read_write.c:471 [inline]
__vfs_write+0x401/0x5a0 fs/read_write.c:484
vfs_write+0x17f/0x4d0 fs/read_write.c:546
SYSC_write fs/read_write.c:594 [inline]
SyS_write+0x102/0x250 fs/read_write.c:586
do_syscall_64+0x19b/0x520 arch/x86/entry/common.c:292
entry_SYSCALL_64_after_hwframe+0x42/0xb7
RIP: 0033:0x7f586624319d
RSP: 002b:00007f58647e4000 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00000000000000c3 RCX: 00007f586624319d
RDX: 00000000000000c3 RSI: 00000000021e1a90 RDI: 0000000000000001
RBP: 00000000021e1a90 R08: 000000000223f0e0 R09: 656c6c616b7a7973
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000000
R13: 00007f58647e4480 R14: 0000000000000003 R15: 00000000021e1890
Code: 84 ce 04 00 00 48 83 eb 08 0f 84 c4 04 00 00 48 8d 7b 18 48 89 f8 48 c1 e8 03 42 80 3c 20 00 0f 85 9b 21 00 00 4c 3b 6b 18 75 b7 <4d> 89 eb e9 fe fb ff ff 85 d2 0f 85 2b 06 00 00 41 8b 86 1c 08