INFO: task systemd-udevd:13420 blocked for more than 143 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:26056 pid:13420 ppid: 2972 flags:0x00004000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
btrfs_control_ioctl+0x115/0x2d0 fs/btrfs/super.c:2411
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7020f95017
RSP: 002b:00007fff4d11af08 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7020f95017
RDX: 00007fff4d11af20 RSI: 0000000090009427 RDI: 000000000000000f
RBP: 00007fff4d11af20 R08: 0000000000000000 R09: 0000000000000390
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000f
R13: 0000000000000000 R14: 000055ad7305c880 R15: 000055ad73049b20
INFO: task systemd-udevd:14433 blocked for more than 143 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:26056 pid:14433 ppid: 2972 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
blkdev_get_by_dev.part.0+0x9b/0xb50 block/bdev.c:819
blkdev_get_by_dev+0x6b/0x80 block/bdev.c:859
blkdev_open+0x154/0x2e0 block/fops.c:501
do_dentry_open+0x4c8/0x1250 fs/open.c:822
do_open fs/namei.c:3426 [inline]
path_openat+0x1cad/0x2750 fs/namei.c:3559
do_filp_open+0x1aa/0x400 fs/namei.c:3586
do_sys_openat2+0x16d/0x4d0 fs/open.c:1212
do_sys_open fs/open.c:1228 [inline]
__do_sys_open fs/open.c:1236 [inline]
__se_sys_open fs/open.c:1232 [inline]
__x64_sys_open+0x119/0x1c0 fs/open.c:1232
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7021263840
RSP: 002b:00007fff4d120c68 EFLAGS: 00000246 ORIG_RAX: 0000000000000002
RAX: ffffffffffffffda RBX: 000055ad7305e120 RCX: 00007f7021263840
RDX: 000055ad71a41fe3 RSI: 00000000000a0800 RDI: 000055ad7306a940
RBP: 00007fff4d120de0 R08: 000055ad71a41670 R09: 0000000000000010
R10: 000055ad71a41d0c R11: 0000000000000246 R12: 00007fff4d120d30
R13: 000055ad7304c7d0 R14: 0000000000000003 R15: 000000000000000e
INFO: task systemd-udevd:19655 blocked for more than 143 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:25384 pid:19655 ppid: 2972 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
btrfs_control_ioctl+0x115/0x2d0 fs/btrfs/super.c:2411
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7020f95017
RSP: 002b:00007fff4d11b4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7020f95017
RDX: 00007fff4d11b510 RSI: 0000000090009427 RDI: 000000000000000f
RBP: 00007fff4d11b510 R08: 0000000000000000 R09: 00000000000002d0
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000f
R13: 0000000000000000 R14: 000055ad7305a560 R15: 000055ad73049b20
INFO: task systemd-udevd:25728 blocked for more than 144 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:systemd-udevd state:D stack:26056 pid:25728 ppid: 2972 flags:0x00000000
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
btrfs_control_ioctl+0x115/0x2d0 fs/btrfs/super.c:2411
vfs_ioctl fs/ioctl.c:51 [inline]
__do_sys_ioctl fs/ioctl.c:874 [inline]
__se_sys_ioctl fs/ioctl.c:860 [inline]
__x64_sys_ioctl+0x193/0x200 fs/ioctl.c:860
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f7020f95017
RSP: 002b:00007fff4d11b4f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7020f95017
RDX: 00007fff4d11b510 RSI: 0000000090009427 RDI: 000000000000000f
RBP: 00007fff4d11b510 R08: 0000000000000000 R09: 0000000000000108
R10: 0000000000000001 R11: 0000000000000246 R12: 000000000000000f
R13: 0000000000000000 R14: 000055ad7305dfc0 R15: 000055ad73049b20
INFO: task syz-executor.5:9884 blocked for more than 144 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.5 state:D stack:24992 pid: 9884 ppid: 6910 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
blk_mq_freeze_queue_wait+0x112/0x160 block/blk-mq.c:178
lo_release+0x160/0x1f0 drivers/block/loop.c:1768
blkdev_put_whole block/bdev.c:694 [inline]
blkdev_put+0x2fb/0x9e0 block/bdev.c:956
btrfs_close_bdev fs/btrfs/volumes.c:1114 [inline]
btrfs_close_bdev fs/btrfs/volumes.c:1104 [inline]
btrfs_close_one_device fs/btrfs/volumes.c:1135 [inline]
close_fs_devices+0x24f/0xa60 fs/btrfs/volumes.c:1178
btrfs_close_devices+0x8e/0x4b0 fs/btrfs/volumes.c:1193
open_ctree+0x48af/0x4954 fs/btrfs/disk-io.c:3700
btrfs_fill_super fs/btrfs/super.c:1359 [inline]
btrfs_mount_root.cold+0x15/0x162 fs/btrfs/super.c:1726
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
fc_mount fs/namespace.c:994 [inline]
vfs_kern_mount.part.0+0xd3/0x170 fs/namespace.c:1024
vfs_kern_mount+0x3c/0x60 fs/namespace.c:1011
btrfs_mount+0x234/0xa60 fs/btrfs/super.c:1786
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
do_new_mount fs/namespace.c:2988 [inline]
path_mount+0x1320/0x1fa0 fs/namespace.c:3318
do_mount fs/namespace.c:3331 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f5f789dc01a
RSP: 002b:00007f5f75f4ffa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f5f789dc01a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f5f75f50000
RBP: 00007f5f75f50040 R08: 00007f5f75f50040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f5f75f50000 R15: 000000002001ee00
INFO: task syz-executor.0:9944 blocked for more than 144 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.0 state:D stack:27576 pid: 9944 ppid: 10953 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
btrfs_mount_root+0x23b/0xc10 fs/btrfs/super.c:1681
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
fc_mount fs/namespace.c:994 [inline]
vfs_kern_mount.part.0+0xd3/0x170 fs/namespace.c:1024
vfs_kern_mount+0x3c/0x60 fs/namespace.c:1011
btrfs_mount+0x234/0xa60 fs/btrfs/super.c:1786
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
do_new_mount fs/namespace.c:2988 [inline]
path_mount+0x1320/0x1fa0 fs/namespace.c:3318
do_mount fs/namespace.c:3331 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f069a64201a
RSP: 002b:00007f0697bb5fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f069a64201a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f0697bb6000
RBP: 00007f0697bb6040 R08: 00007f0697bb6040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f0697bb6000 R15: 000000002001ee00
INFO: task syz-executor.4:9950 blocked for more than 144 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.4 state:D stack:27776 pid: 9950 ppid: 6698 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
btrfs_mount_root+0x23b/0xc10 fs/btrfs/super.c:1681
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
fc_mount fs/namespace.c:994 [inline]
vfs_kern_mount.part.0+0xd3/0x170 fs/namespace.c:1024
vfs_kern_mount+0x3c/0x60 fs/namespace.c:1011
btrfs_mount+0x234/0xa60 fs/btrfs/super.c:1786
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
do_new_mount fs/namespace.c:2988 [inline]
path_mount+0x1320/0x1fa0 fs/namespace.c:3318
do_mount fs/namespace.c:3331 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f521273501a
RSP: 002b:00007f520fca8fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f521273501a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f520fca9000
RBP: 00007f520fca9040 R08: 00007f520fca9040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f520fca9000 R15: 000000002001ee00
INFO: task syz-executor.2:9949 blocked for more than 145 seconds.
Not tainted 5.16.0-rc1-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz-executor.2 state:D stack:27288 pid: 9949 ppid: 10360 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:4972 [inline]
__schedule+0xa9a/0x4940 kernel/sched/core.c:6253
schedule+0xd2/0x260 kernel/sched/core.c:6326
schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:6385
__mutex_lock_common kernel/locking/mutex.c:680 [inline]
__mutex_lock+0xa32/0x12f0 kernel/locking/mutex.c:740
btrfs_mount_root+0x23b/0xc10 fs/btrfs/super.c:1681
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
fc_mount fs/namespace.c:994 [inline]
vfs_kern_mount.part.0+0xd3/0x170 fs/namespace.c:1024
vfs_kern_mount+0x3c/0x60 fs/namespace.c:1011
btrfs_mount+0x234/0xa60 fs/btrfs/super.c:1786
legacy_get_tree+0x105/0x220 fs/fs_context.c:610
vfs_get_tree+0x89/0x2f0 fs/super.c:1500
do_new_mount fs/namespace.c:2988 [inline]
path_mount+0x1320/0x1fa0 fs/namespace.c:3318
do_mount fs/namespace.c:3331 [inline]
__do_sys_mount fs/namespace.c:3539 [inline]
__se_sys_mount fs/namespace.c:3516 [inline]
__x64_sys_mount+0x27f/0x300 fs/namespace.c:3516
do_syscall_x64 arch/x86/entry/common.c:50 [inline]
do_syscall_64+0x35/0xb0 arch/x86/entry/common.c:80
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7fcd90f1e01a
RSP: 002b:00007fcd8e491fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fcd90f1e01a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fcd8e492000
RBP: 00007fcd8e492040 R08: 00007fcd8e492040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fcd8e492000 R15: 000000002001ee00
Showing all locks held in the system:
1 lock held by khungtaskd/27:
#0: ffffffff8bb80f60 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x53/0x260 kernel/locking/lockdep.c:6458
2 locks held by systemd-journal/2967:
#0: ffff8880b9d39b18 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2b/0x120 kernel/sched/core.c:478
#1: ffff8880b9d279c8 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x3a6/0x490 kernel/sched/psi.c:880
1 lock held by in:imklog/6258:
#0: ffff888076254af0 (&f->f_pos_lock){+.+.}-{3:3}, at: __fdget_pos+0xe9/0x100 fs/file.c:990
1 lock held by systemd-udevd/13420:
#0: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_control_ioctl+0x115/0x2d0 fs/btrfs/super.c:2411
1 lock held by systemd-udevd/14433:
#0: ffff88801b050918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_get_by_dev.part.0+0x9b/0xb50 block/bdev.c:819
1 lock held by systemd-udevd/19655:
#0: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_control_ioctl+0x115/0x2d0 fs/btrfs/super.c:2411
1 lock held by systemd-udevd/25728:
#0: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_control_ioctl+0x115/0x2d0 fs/btrfs/super.c:2411
4 locks held by syz-executor.5/9884:
#0: ffff888079bba0e0 (&type->s_umount_key#74/1){+.+.}-{3:3}, at: alloc_super+0x1dd/0xac0 fs/super.c:229
#1: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_close_devices+0x86/0x4b0 fs/btrfs/volumes.c:1192
#2: ffff88801b050918 (&disk->open_mutex){+.+.}-{3:3}, at: blkdev_put+0x97/0x9e0 block/bdev.c:914
#3: ffff88814705bb60 (&lo->lo_mutex){+.+.}-{3:3}, at: lo_release+0x4d/0x1f0 drivers/block/loop.c:1748
1 lock held by syz-executor.0/9944:
#0: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_mount_root+0x23b/0xc10 fs/btrfs/super.c:1681
1 lock held by syz-executor.4/9950:
#0: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_mount_root+0x23b/0xc10 fs/btrfs/super.c:1681
1 lock held by syz-executor.2/9949:
#0: ffffffff8c25fb88 (uuid_mutex){+.+.}-{3:3}, at: btrfs_mount_root+0x23b/0xc10 fs/btrfs/super.c:1681
=============================================
NMI backtrace for cpu 0
CPU: 0 PID: 27 Comm: khungtaskd Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:88 [inline]
dump_stack_lvl+0xcd/0x134 lib/dump_stack.c:106
nmi_cpu_backtrace.cold+0x47/0x144 lib/nmi_backtrace.c:105
nmi_trigger_cpumask_backtrace+0x1ae/0x220 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:210 [inline]
watchdog+0xc1d/0xf50 kernel/hung_task.c:295
kthread+0x405/0x4f0 kernel/kthread.c:327
ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 PID: 2967 Comm: systemd-journal Not tainted 5.16.0-rc1-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:kvm_clock_read arch/x86/kernel/kvmclock.c:79 [inline]
RIP: 0010:kvm_sched_clock_read+0xf/0x40 arch/x86/kernel/kvmclock.c:91
Code: ff 0d b5 8d ce 7e 74 01 c3 e8 ec 62 cc ff c3 66 66 2e 0f 1f 84 00 00 00 00 00 90 65 ff 05 99 8d ce 7e 65 48 8b 3d 99 92 ce 7e fc 06 00 00 65 ff 0d 85 8d ce 7e 74 08 48 2b 05 4c db 21 0a c3
RSP: 0000:ffffc90001fc7e70 EFLAGS: 00000082
RAX: 0000000000000000 RBX: ffff888075a227e0 RCX: ffffffff815be5df
RDX: 1ffff1100eb44563 RSI: ffff888075a227e0 RDI: ffffffff8f172040
RBP: ffff888075a220c0 R08: 0000000000000000 R09: ffffffff8ff79a17
R10: fffffbfff1fef342 R11: 0000000000000000 R12: ffff888075a22810
R13: 0000000000000000 R14: 00007f498dfc7008 R15: 0000000000000000
FS: 00007f499070f8c0(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f498dfc7008 CR3: 000000007ef80000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
vtime_delta kernel/sched/cputime.c:637 [inline]
get_vtime_delta+0x1a/0x420 kernel/sched/cputime.c:646
vtime_account_system+0x1a/0xb0 kernel/sched/cputime.c:666
vtime_user_enter+0xaa/0x170 kernel/sched/cputime.c:710
__context_tracking_enter+0xef/0x100 kernel/context_tracking.c:82
user_enter_irqoff include/linux/context_tracking.h:41 [inline]
__exit_to_user_mode kernel/entry/common.c:130 [inline]
irqentry_exit_to_user_mode+0x31/0x40 kernel/entry/common.c:315
exc_page_fault+0xc6/0x180 arch/x86/mm/fault.c:1544
asm_exc_page_fault+0x1e/0x30 arch/x86/include/asm/idtentry.h:568
RIP: 0033:0x7f498fa18098
Code: d1 f3 a4 c3 80 fa 10 73 17 80 fa 08 73 27 80 fa 04 73 33 80 fa 01 77 3b 72 05 0f b6 0e 88 0f c3 c5 fa 6f 06 c5 fa 6f 4c 16 f0 fa 7f 07 c5 fa 7f 4c 17 f0 c3 48 8b 4c 16 f8 48 8b 36 48 89 4c
RSP: 002b:00007ffd30fd0768 EFLAGS: 00010206
RAX: 00007f498dfc7008 RBX: 00005614a1116670 RCX: 0000000000738fc8
RDX: 000000000000001c RSI: 00005614a1116670 RDI: 00007f498dfc7008
RBP: 000000000000001c R08: 0000000000739024 R09: 00005614a1116140
R10: 00007ffd30fd0910 R11: 0000000000034cb2 R12: 00005614a1115ea0
R13: 0000000000000000 R14: 00007ffd30fd0918 R15: 00007f498dfc6fc8
----------------
Code disassembly (best guess):
0: ff 0d b5 8d ce 7e decl 0x7ece8db5(%rip) # 0x7ece8dbb
6: 74 01 je 0x9
8: c3 retq
9: e8 ec 62 cc ff callq 0xffcc62fa
e: c3 retq
f: 66 66 2e 0f 1f 84 00 data16 nopw %cs:0x0(%rax,%rax,1)
16: 00 00 00 00
1a: 90 nop
1b: 65 ff 05 99 8d ce 7e incl %gs:0x7ece8d99(%rip) # 0x7ece8dbb
22: 65 48 8b 3d 99 92 ce mov %gs:0x7ece9299(%rip),%rdi # 0x7ece92c3
29: 7e
* 2a: e8 fc 06 00 00 callq 0x72b <-- trapping instruction
2f: 65 ff 0d 85 8d ce 7e decl %gs:0x7ece8d85(%rip) # 0x7ece8dbb
36: 74 08 je 0x40
38: 48 2b 05 4c db 21 0a sub 0xa21db4c(%rip),%rax # 0xa21db8b
3f: c3 retq